JP3689019B2

JP3689019B2 - Absorber, sheet, packaging material and method for producing them

Info

Publication number: JP3689019B2
Application number: JP2001133718A
Authority: JP
Inventors: 伊藤　　博
Original assignee: Daiki Co Ltd
Current assignee: Daiki Co Ltd
Priority date: 2001-04-27
Filing date: 2001-04-27
Publication date: 2005-08-31
Anticipated expiration: 2021-04-27
Also published as: JP2002326334A

Description

【０００１】
【発明の属する技術分野】
本発明は、吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関する。また、本発明は、野菜屑乾燥物を芯材とする吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関し，特に、５ｍｍ以下の粒度に粉砕された野菜屑の粉砕乾燥物を芯とする吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関する。さらに、本発明は、野菜屑乾燥物及び廃棄物配合材料を芯とする吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関し，特に、５ｍｍ以下の粒度に粉砕された野菜屑の粉砕乾燥物及び５ｍｍ以下の粒度に粉砕された廃棄物配合材料粉砕物を芯とする吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関する。さらにまた、本発明は、衛生用品廃材等のプラスチック材料含有廃材等の廃棄物配合材料についても、５ｍｍ以下の粒度の粒子に粉砕して、シート、マット又は敷物等の薄手或いは厚手の吸水性のシーツ又は包装材料の芯に使用して、吸収機能、保水機能又は湿度調節機能或いはこれら二以上の機能を有する吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関する。
【０００２】
また本発明は、野菜屑を吸収体の芯に使用して、吸水調節機能、保水調節機能及び湿度調節機能を有する薄手又は厚手の吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関し、例えば、植木鉢等に使用して、植物の育成に適する吸収体及び該吸収体を使用するシート、マット又はシーツ等の薄手或いは厚手の吸水性の敷物又は包装材料に関する。
このような本発明の野菜屑粉砕乾燥物、廃棄物配合材料粉砕物及び吸水性樹脂を利用した吸収体が使用される敷物としては、雨天の場合に使用される、屋根の無いイベント会場の雨による床の濡れ防止用吸水性マット、雨の日の自動車、列車若しくは飛行機などの乗り物の床の濡れ防止用吸水性マット、雨の日の病院、サービスエリア、デパート、ホテル、店舗、オフィスビル若しくはレジャー施設の床の濡れ防止用吸水性マット、冷蔵庫内の濡れの防止用吸水性マット、調理場の床の濡れの防止用吸水性マット、並びに炊事場又は調理場の生ゴミのドリップ吸収用の吸収シート、給水設備、給湯設備又は便器若しくは洗面具等の衛生器具を備える床の濡れ防止用吸水性マット、冷蔵庫の周囲の床の濡れの防止用吸水性マット、ガソリンスタンド若しくは厨房用の吸油性敷マット、レジャーマット若しくはマッサージ療法用シーツ、並びにベット用補助マットなどがある。またこの他に、吸収体が使用される包装用のシートとしては、野菜、青果物若しくは花卉類の保水又は調湿機能を有する包装材料、鮮魚、生肉、総菜食品又は弁当等の保水又は調湿機能を有する包装材料、並びに種子、菌株、幼苗若しくは球根の包装材料などがある。また、以上の他に、吸収体が使用される掃除用のシートとしては、機械類や窓や室内及び室外の掃除用、建築物の天井部、壁部、床部若しくは窓部等の結露及び濡れの拭き取り用のウエス又は雑巾として使用される吸水性マット又は吸水性シートがある。
【０００３】
そしてまた、本発明の野菜屑粉砕乾燥物及び吸水性樹脂を使用する吸収体は、園芸植物の栽培時における植物栽培用容器の水蒸発防止用の吸収体として、また吸収体の吸油性による廃油処理用の使い捨て用の廃油処理材として使用でき、また、このような本発明の吸収体は、敷物の内部の吸水部及び使い捨て用の吸収性マット又は吸水性マットの吸水部として使用できる。さらに、本発明の吸収体は、冷凍水産物の運搬の際に、水産物が氷解した水に濡れるのを防止する吸水性シート、又は鉢植えを被う水蒸発防止用の吸水性シート、鉢植えの下に敷く吸水性シート、水耕栽培用苗床、水槽の回りに配置する吸水性シート、結露防止用シート等に使用する吸水性シートとして使用でき、さらに、傘立ての受部等の滴の垂れる箇所に配置して、傘等から落ちる水滴を吸収する水滴吸収マットとして使用することができる。さらにまた、本発明の以上のような吸収体は、さらに衛生的に処理されて、紙おむつ、尿パッド、及び生理用ナプキン等の使い捨て用の衛生材料の吸水部材として使用でき、さらにまた、本発明の前記吸収体は、動物用シーツ、ペットシーツ等の愛玩動物用の排泄物処理材の吸水材として使用でき、さらに加えて、乗り物のヘッドカバー用のマットとして、又はヘルメット又は帽子内の蒸れ防止用マットとして、さらに、例えばウォシュレット便器での排便後のトイレットペーパーシートとして使用することができる。
【０００４】
【従来の技術】
従来、例えば、床の濡れは、布製の雑巾又は使い捨て用の雑巾や、雑巾、ウエス、スポンジ等の各種の吸収体を取り付けた棒雑巾を使用して拭かれており、また洗面所等の予め水等で濡れる箇所には、吸水性のマットを敷いて床の濡れるのを防止している。
また、一方、使い捨て用の人や動物用シーツには、前記不透水性膜の内側に接して表面側吸水性紙層部を設け、シーツ底部の不透水性薄層部の内側に接して、背面側吸水性紙層部を設け、前記上下の紙層部間に、高吸水性樹脂を含む紙粉が配置されている。
また、現在、例えば、青果市場からは残り野菜、レタスやキャベツ等の葉菜の表皮及び根菜の葉部などの廃棄野菜が大量に発生し、また、水耕栽培農工場からは、例えば、もやしやかいわれ大根などの野菜の不適格品が大量に発生し、さらに、給食センターや惣菜工場からは、ジャガイモの皮や果実の皮などの屑が大量に発生し、さらにまた、スーパーマーケットなどでのカット野菜の加工工程からは、切り屑や残り滓が大量に発生し、また、ジュース工場からは，人参や林檎やオレンジなどの絞り滓が大量に発生し、さらに、生産農家からは不適合品の屑野菜が大量に発生する。これらの野菜屑は、焼却処理されて埋め立て等に廃棄されるか、又は堆肥化されて堆肥として使用されている。
【０００５】
【発明が解決しようとする課題】
しかし、布製の雑巾や棒雑巾は、繰り返し使用するものであり、使用済みの雑巾を再使用できるようにするためには、濯いだり、また付着する水を絞って除いたり、濯ぐ水を取り替えたりするなどの多くの手間を要し問題である。また、従来の使い捨て用のシーツには、紙粉及び高吸水性樹脂が使用されており、殊に、紙粉には、パルプ粉砕物が使用されている。しかし、パルプ及びパルプ粉砕物は、最近では入手困難であり、しかも比較的高価となっているために、コスト的にその使用が難しく問題とされている。
そこで、使い捨て用のシーツでは、パルプ粉砕物を減少させると共に、パルプ粉砕物に代えて、高吸水性樹脂が使用されている。しかし、パルプ粉砕物を減少させて、高吸水性樹脂を使用した使い捨て用のシーツ等の吸収体は、パルプ粉砕物の使用量が少ないために、比較的薄く形成され、弾力性が乏しくなって、比較的堅い吸収体となり、使い捨て用のおむつ等にとって、パルプ粉砕物の減少が問題とされている。
また、一方、水産物を輸送する場合には、水産物を藁や紙の上に配置して搬送するが、氷解等により藁や紙が濡れ、搬送される水産物が濡れた藁や紙と接触を続けることとなって問題である。
【０００６】
さらに、野菜屑は、青果市場、水耕栽培農工場、給食センター、惣菜工場、ジュース工場及びスーパーマーケット等から大量に発生するが、何れも廃棄物として処理されており、その処理に多くの手間と費用を要し問題とされている。
本発明は、従来における、シーツやマット等に使用される吸収体の原材料及び弾力性に係る問題点、或いは野菜屑の処分に係る問題点を解決することを目的としている。
【０００７】
【課題を解決するための手段】
本発明者は、５ｍｍ以下の粒度の野菜屑粉砕乾燥物が、比較的弾力に富み、且つ良好な吸水性及び保水性を有して、また吸水性樹脂と混合することにより、成形が容易となり、さらに吸水能を高めることができて、吸収体の芯に使用する上で優れていることを発見して、本発明に至った。
また、本発明者は、５ｍｍ以下の粒度の野菜屑粉砕乾燥物を、廃棄物配合材料粉砕物に吸水性樹脂を配合して得られた成形物が、各種マット或いは人又は動物用シーツの吸収体として使用することにより、パルプ等を使用しなくても、比較的弾力性があって、吸水性及び保水性が大きい吸収体が得られることを発見して、本発明に至った。
【０００８】
本発明は、紙パルプを使用しないでも、又は紙パルプの使用量を少なくしても、吸水性及び弾力性を有する吸収体を提供し、また、この吸収体を使用して、吸水性及び弾力性を有する各種マット又は人若しくは動物用の各種シーツを提供し、紙パルプを使用しないで、弾力性を有し、かつ調湿作用を有する包装材料を提供し、さらに、保水作用及び調湿作用を有する植木鉢又は苗床を提供することを目的としている。
【０００９】
即ち、本発明は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物を主として含有して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする吸収体にあり、また、本発明は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び前記野菜屑粉砕乾燥物より少量の吸水性樹脂を含有して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする吸収体にあり、さらに、本発明は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、前記野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含んで形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする吸収体にある。
【００１０】
また、本発明は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の粒度を有し、葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物を主として含有し、界面活性剤が少なくとも一部に付着して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする吸収体にあり、さらに、本発明は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び前記野菜屑粉砕乾燥物より少量の吸水性樹脂を含有し、さらに界面活性剤が少なくとも一部に付着して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする吸収体にあり、さらにまた、本発明は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、前記野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含み、さらに界面活性剤が少なくとも一部に付着して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする吸収体にある。
【００１１】
そして本発明は、表面を形成する透水性薄層部と、背面を形成する不透水性薄層部と、透水性薄層部及び不透水性薄層部の間に設けられている吸収体とを備え、前記吸収体が、その表面を、前記透水性薄層部の背面に接し、その背面を、不透水性薄層部の表面に接して配置されることにより形成されるシーツにおいて、前記吸収体は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、又は前記５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び野菜屑粉砕乾燥物より少量の吸水性樹脂、又は前記５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含み、さらに界面活性剤が付着されないで形成されているか又は界面活性剤が少なくとも一部に付着して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とするシーツにあり、また本発明は、表面を形成する透水性薄層部と、背面を形成する透水性薄層部と、上下両透水性薄層部間に設けられている吸収体とを備え、前記吸収体が、その両外面を、前記両透水性薄層部の夫々の内面に接して配置されることにより形成されるシーツにおいて、前記吸収体は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、又は前記５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び野菜屑粉砕乾燥物より少量の吸水性樹脂、又は前記５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含み、さらに界面活性剤が付着されないで形成されているか又は界面活性剤が少なくとも一部に付着して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とするシーツにある。
【００１２】
そしてまた、本発明は、表面を形成する透水性薄層部と、背面を形成する不透水性薄層部と、透水性薄層部及び不透水性薄層部の間に設けられている吸収体とを備え、前記吸収体が、その表面を、前記透水性薄層部の背面に接し、その背面を、不透水性薄層部の表面に接して配置されることにより形成される包装材料において、前記吸収体は、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、又は前記５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び野菜屑粉砕乾燥物より少量の吸水性樹脂、又は前記５ｍｍ以下の平均粒度の野菜屑粉砕乾燥物、野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含み、さらに界面活性剤が付着されないで形成されているか又は界面活性剤が少なくとも一部に付着して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする包装材料にあり、さらに本発明は、表面を形成する透水性薄層部と、背面を形成する透水性薄層部と、上下両透水性薄層部間に設けられている吸収体とを備え、前記吸収体が、その両外面を、前記両透水性薄層部の夫々の内面に接して配置されることにより形成される包装材料において、前記吸収体が、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、又は前記５ｍｍ以下の平均粒度の野菜屑粉砕乾燥物及び野菜屑粉砕乾燥物より少量の吸水性樹脂、又は前記５ｍｍ以下の平均粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含み、さらに界面活性剤が付着されないで形成されているか又は界面活性剤が少なくとも一部に付着して形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されていることを特徴とする包装材料にある。
【００１３】
そしてまた、本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物を、背面側吸収紙の上に載置し、この載置された野菜屑粉砕乾燥物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、野菜屑粉砕乾燥物及び表面側吸収紙を加圧して、一体に形成することを特徴とする吸収体の製造方法にあり、さらに本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物に、吸水性樹脂を混合して、吸水性混合物を形成し、この形成された吸水性混合物を、背面側吸収紙の上に載置し、この載置された吸水性混合物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することを特徴とする吸収体の製造方法にあり、さらにまた、本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物に、該野菜屑粉砕乾燥物より少ない量の５ｍｍ以下の粒度を有する廃棄物配合材料粉砕物及び吸水性樹脂を混合して、吸水性混合物を形成し、この形成された吸水性混合物を、背面側吸収紙の上に載置し、この載置された吸水性混合物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することを特徴とする吸収体の製造方法にある。
【００１４】
そして、本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物を、背面側吸収紙の上に載置し、この載置された野菜屑粉砕乾燥物に界面活性剤溶液を付着させ、この界面活性剤溶液を付着させた野菜屑粉砕乾燥物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、野菜屑粉砕乾燥物及び表面側吸収紙を加圧して、一体に形成することを特徴とする吸収体の製造方法にあり、また本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物に、吸水性樹脂を混合して、吸水性混合物を形成し、この形成された吸水性混合物を、背面側吸収紙の上に載置し、この載置された野菜屑粉砕乾燥物に界面活性剤溶液を付着させ、この界面活性剤溶液を付着させた野菜屑粉砕乾燥物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することを特徴とする吸収体の製造方法にあり、さらに本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物に、該野菜屑粉砕乾燥物より少ない量の５ｍｍ以下の粒度を有する廃棄物配合材料粉砕物及び吸水性樹脂を混合して、吸水性混合物を形成し、この形成された吸水性混合物を、背面側吸収紙の上に載置し、この載置された吸水性混合物に界面活性剤溶液を付着させ、この界面活性剤溶液を付着させた吸水性混合物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することを特徴とする吸収体の製造方法にある。
【００１５】
そしてまた、本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物、前記５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少ない量の吸水性樹脂の吸水性混合物、又は前記５ｍｍ以下の粒度を有し、葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、前記野菜屑粉砕乾燥物より少量の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂の吸水性混合物を、背面側吸収紙の上に載置し、この載置された吸水性混合物に界面活性剤溶液を付着させ、又は付着させないで、この吸水性混合物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することにより製造された吸収体の表面側吸収紙の上に不織布を配置し、背面側吸収紙の上にプラスチックフィルムを配置し、この配置された不織布及びプラスチックフィルムの少なくとも一部周囲を圧着することを特徴とするシーツの製造方法にあり、さらに本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物、前記５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少ない量の吸水性樹脂の吸水性混合物、又は前記葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物、５ｍｍ以下の粒度を有し、野菜屑粉砕乾燥物より少量の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂の吸水性混合物を、背面側吸収紙の上に載置し、この載置された吸水性混合物に界面活性剤溶液を付着させ、又は付着させないで、この吸水性混合物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することにより製造された吸収体の表面側吸収紙の上に不織布を配置し、背面側吸収紙の上に不織布を配置し、両面に配置された不織布の少なくとも一部周囲を圧着することを特徴とするシーツの製造方法にある。
【００１６】
そしてまた、本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物、前記５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少ない量の吸水性樹脂の吸水性混合物、又は前記野菜屑粉砕乾燥物、５ｍｍ以下の粒度を有し、葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物より少量の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂の吸水性混合物を、背面側吸収紙の上に載置し、この載置された吸水性混合物に界面活性剤溶液を付着させ、又は付着させないで、この吸水性混合物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することにより製造された吸収体の表面側吸収紙の上に不織布を配置し、背面側吸収紙を上にプラスチックフィルムを配置し、この不織布及びプラスチックフィルムが配置された吸収体を加圧成形することを特徴とする包装材料の製造方法にあり、さらに本発明は、５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物、前記５ｍｍ以下の粒度の葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものである野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少ない量の吸水性樹脂の吸水性混合物、又は前記野菜屑粉砕乾燥物、５ｍｍ以下の粒度を有し、野菜屑粉砕乾燥物より少量の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂の吸水性混合物を、背面側吸収紙の上に載置し、この載置された吸水性混合物に界面活性剤溶液を付着させ、又は付着させないで、この吸水性混合物の上に表面側吸収紙を載置し、この重ねられた前記背面側吸収紙、吸水性混合物及び表面側吸収紙を加圧して、一体に形成することにより製造された吸収体の表面側吸収紙の上に不織布を配置し、背面側吸収紙を上に不織布を配置し、この両面に夫々不織布が配置された吸収体を加圧成形することを特徴とする包装材料の製造方法にある。
【００１７】
【発明の実施の形態】
本発明において、吸収体は、従来の吸収体と相違して、各種用途の吸収体として使用でき、また、直接シーツとして使用できると共に、シーツの吸収体としても使用できるものであり、さらに直接包装材料として使用できると共に、包装材料の吸収体として使用できるものである。本発明の吸収体を、シーツの吸収体として、また包装材料の吸収体として使用する場合には、本発明の吸収体は、シーツ又は包装材料に使用される大きさに製造され、その製造された吸収体の表面に、透水性の不織布を配置し、該吸収体の下に不透水性の防水シートや防水膜を配置して、該吸収体を透水性の不織布及び不透水性の防水シート等で包んだシート状及び一体に形成されたシート状に形成し、衛生的に処理して、例えば、動物用シーツとして、排泄時に尿等が漏れないようにすることができる。また、その他シーツとしては、例えば、休養及び就寝用などの各種のシーツなどに使用することができる。
【００１８】
本発明のシーツは、例えば、表面側若しくは背面側又は表面側及び背面側に透水性の薄層部材を配置してシート状に形成することにより、表面側若しくは背面側又は表面側及び背面側から水を吸収できるマットなどとすることができ、さらに包装材料としては、表面側若しくは背面側の片側の面から又は表面側及び背面側の両側の面から水分の吸収又は調整を行うことができる包装材料として使用することができる。この場合、吸収体は、その表面側には、表面を形成する表面側吸水性紙層部が設けられ、底部には、背面を形成する背面側吸水性紙層部が設けられる。本発明の吸収体において、表面側及び背面側設けられる吸水性紙層部は、吸水性がよく、吸水速度の大きい薄葉紙や衛生用紙等で形成されるのが好ましい。本発明の吸収体を用いて、シーツ又は包装材料とする場合には、吸収体の上部吸水性紙層部の上に配置されて表面を形成する透水性薄層部は、例えば、不織布で形成することができ、吸収体の下部吸水性紙層部の下に配置されて底面を形成する不透水性薄層部は、例えばプラスチックフィルムで形成することができる。本発明において、シーツ及び包装材料は、その用途に応じて、表裏がないように表面側及び背面側を共に透水性薄層部で形成することができる。本発明において、シーツ及び包装材料は、その用途に応じて、表裏を設けて、表面側を透水性薄層部で形成し、背面側を不透水性薄層部とすることができる。本発明において、透水性薄層部は、その目的の透水の程度に応じた透水機能を有する乾式法又は湿式法で作製された不織布で形成することができ、不透水性薄層部は、ポリエチレン樹脂、ポリプロピレン樹脂等のプラスチック材料製の不透水性のプラスチックフィルムで形成することができる。
【００１９】
本発明の吸収体において、表面側の吸水性紙層部及び背面側の吸水性紙層部間には、吸水性材料層部が設けられる。本発明において、吸水性材料層部は、５ｍｍ以下の粒度に粉砕され乾燥されている野菜屑粒子を主として含む野菜屑粉砕乾燥物で形成することができ、また、前記野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少ない量の吸水性樹脂を含む吸水性混合物で形成することができ、さらに、前記野菜屑粉砕乾燥物、該野菜屑粉砕乾燥物より少ない量の廃棄物配合材料及び該廃棄物配合材料より少ない量の吸水性樹脂を含む吸水性混合物で形成することができる。本発明においては、野菜屑粉砕乾燥物は、野菜屑を５ｍｍ以下の粒度に粉砕し、乾燥して製造することができ、又は野菜屑を乾燥後５ｍｍ以下の粒度に粉砕して製造することができる。５ｍｍ以下の粒度の野菜屑粉砕乾燥物粒子を主として含有する野菜屑粉砕乾燥物は、吸水機能及び保水機能を有するので、吸収体の吸水性材料層部に使用することができる。この場合、野菜屑粉砕乾燥物は、そのまま単独で、又は吸水性樹脂と混合し、又は廃棄物配合材料及び吸水性樹脂と混合して、吸収体の吸水性材料層部とすることができる。本発明において、このように、野菜屑粉砕乾燥物に吸水性樹脂又は廃棄物配合材料及び吸水性樹脂を混合することにより、吸収体の吸水機能及び保水機能を増加させることができる。
本発明において、吸収体は、従来の吸収体と同様に、エンボス加工等の加圧成形により、エンボス皺を形成して、比較的柔軟なシート状のものとすることにより、床の部分によく密着して、床の水滴等を吸収し易くできるので好ましい。
【００２０】
本発明において、この粉砕され乾燥された野菜屑粉砕乾燥物は、成形性に優れ、そのまま単独で、又は吸水性樹脂と混合し、又は廃棄物配合材料及び吸水性樹脂と混合して、吸水性材料層部として加圧してシート状にすることができる。例えば、紙おむつ廃材を粉砕して分離されたプラスチック廃材粉砕物を可成の量で配合しても、パルプや糊料を配合しないで、ただ吸水性樹脂を配合するだけで、簡単に加圧成形によりシート状にすることができる。本発明においては、野菜屑を５ｍｍ以下の粒度に粉砕し乾燥して、又は野菜屑を乾燥後５ｍｍ以下の粒度に粉砕された水分含有率が１０重量％以下の野菜屑粉砕乾燥物は、吸水性樹脂を加えて又は糊料を加えて、安定したシート形状に成形することができる。しかし、僅かに湿り気を与えることにより、例えば水分含有率を１０重量％以下、好ましくは４乃至２重量％の量で含有させることにより、野菜屑粉砕乾燥物及びプラスチック粉砕物に吸水性樹脂が馴染み易くなり、さらに成形が容易となるので好ましい。野菜屑粉砕乾燥物及び廃棄物配合材料の粒度は、細かい方が好ましく、例えば５ｍｍ以下の粒度、さらに好ましくは３ｍｍ以下の粒度とするのが、吸水性材料層部の感触及び加圧成形の上で好ましい。
【００２１】
本発明において、野菜屑の用語は、葉菜屑、茎菜屑、根菜屑、果菜屑、花菜屑、香辛野菜屑、きのこ屑、山菜屑若しくは野草屑又はこれら二以上を含むものを意味する。本発明において、野菜屑は、例えば、水耕栽培農工場からの不適格品、例えばもやし、かいわれ大根等の不適格品、青果市場からの各種野菜の残り物、例えば、白菜、レタス、キャベツ、ほうれん草等の葉菜の表皮や、大根、人参、牛蒡、蕪等の根菜の葉の部分、給食センターや惣菜工場からのジャガイモの皮や果実の皮等の各種野菜の廃棄部分、生産農家からの各種野菜についての不適合品である廃棄野菜、又は市場の各種野菜についてのコスト調整の廃棄野菜、ジュース工場からの人参などの野菜汁の絞り滓、又は林檎やオレンジなどの果汁の絞り滓、又はスーパーマーケット等のカット野菜の加工工程で発生する各種野菜の切り屑や残り滓等、又はこれらの二種以上の野菜屑を含む屑類がある。
【００２２】
これらの野菜屑は、５ｍｍ以下の粒度、好ましくは３ｍｍ以下の粒度、より好ましくは１乃至３ｍｍの粒度の粉砕乾燥物に形成される。このために、集められた野菜屑は、粉砕されるか又は乾燥される。野菜屑をより細かい粒子にしないためには、水分を保有する状態で粉砕するのが好ましい。水分を保有する状態で粉砕すると、野菜屑に含まれる水分は、一部分離されて排出される。この排水は、廃水処理されて排出される。本発明において、野菜屑の乾燥は、例えば、５０℃以上の温度で３０分以上の間加熱して、水分含有率が１０重量％以下となるまで乾燥される。乾燥条件は、野菜屑粉砕乾燥物の水分含有率が１０重量％以下となるように、乾燥温度及び乾燥時間を試験的に求めておくのが好ましい。
【００２３】
また本発明において、吸収体は、細菌等の繁殖を防止するために、また、吸収体に触れたときに、乾いた感触を与えるためにも、水分含有率が１０重量％以下とするのが好ましいが、水分含有率は、５重量％以下であるのがより好ましい。このような水分含有率にするため必要な吸収体の乾燥は、エンボス加工工程で吸収体を加熱することによって、行うことができる。
【００２４】
本発明において、野菜屑粉砕乾燥物に配合される廃棄物配合材料は、トイレットペーパー廃材、ティッシュペーパー廃材、化粧紙廃材、紙ナプキン廃材、ちり紙廃材、紙綿廃材、紙タオル廃材、便座シート廃材、動物用排泄物処理材の廃材、寝具用シーツ廃材、マスク廃材、アイマスク廃材、座席用ヘッドカバー廃材、枕カバー廃材、紙おむつ廃材、生理用ナプキン廃材、動物用紙おむつ廃材、生理用ナプキン廃材、動物用生理用ナプキン廃材、乳パッド廃材、汗パッド廃材、失禁パッド廃材、動物用シーツ廃材、鮮魚輸送用ラミネート紙廃材、野菜輸送用ラミネート紙廃材、ラミネート紙の印刷屑、ラミネート紙の端屑、バフ粉、ダンボール屑、新聞屑、雑誌屑、木材屑、鉋屑、不織布屑、プラスチックフィルム廃材、プラスチックシート廃材、プラスチック材料製不織布廃材若しくは紙おむつ廃材粉砕物から分離されたプラスチック材料に富む分離産物、機械パルプ廃材、化学パルプ廃材、セミケミカルパルプ廃材、綿状パルプ廃材、木材パルプ廃材、古紙パルプ廃材、合成樹脂繊維廃材、木材屑、鉋屑、木粉、家屋の解体材、新築廃材、紙粉、チタン紙廃材、パンチ屑、衛生用品廃棄物の分級産物のフラッフパルプ、吸水性繊維廃材、吸水性樹脂廃材、吸水性樹脂を含む紙粉、製本時に発生する紙粉、不織布製造時に発生する紙粉、製紙工程において発生する紙粉若しくは衛生材料製造時に発生する紙粉、又はこれら二以上を含む混合物を意味する。
【００２５】
本発明において、廃棄物配合材料は、プラスチック材料粉砕物及びプラスチック廃材粉砕物とすることができる。本発明において、プラスチック廃材の粉砕物としては、５ｍｍ以下の粒度に粉砕された厚さが２ｍｍ以下の合成樹脂繊維廃材の粉砕物、紐状合成樹脂廃材の粉砕物、フィルム状合成樹脂廃材の粉砕物、シート状合成樹脂廃材の粉砕物、紐状合成ゴム廃材の粉砕物、フィルム状合成ゴム廃材の粉砕物、シート状合成ゴム廃材の粉砕物又はラミネート紙廃材の粉砕物があり、またこれら二以上のプラスチック廃材粉砕物の混合物がある。また、これらのプラスチック廃材粉砕物以外の他のプラスチック廃材粉砕物としては、紙おむつ廃材粉砕物、乳パッド廃材粉砕物、尿パツド廃材粉砕物、又は生理用ナプキン廃材粉砕物などのプラスチック材料含有廃材粉砕物があり、またこれらの他に、プラスチック材料含有廃材粉砕物の二以上の混合物があり、プラスチック材料含有廃材粉砕物又はプラスチック材料含有廃材粉砕物の二以上の廃材粉砕物混合物について、分級処理して得られるプラスチック材料に富む分級産物プラスチック材料を含有するプラスチック材料含有廃材の粉砕物がある。
【００２６】
本発明において、プラスチック廃材粉砕物は、前記のプラスチック廃材の粉砕物又はその混合物、プラスチック材料含有廃材粉砕物若しくはその混合物又は前記プラスチック材料含有廃材粉砕物及びその二以上の混合物についてのプラスチック材料に富むプラスチック材料含有廃材粉砕物を意味する。プラスチック廃材粉砕物は、プラスチック材料の粉砕物をも包含する。衛生材料製造時に発生する裁断屑又は集塵ロスを、プラスチック材料含有廃材粉砕物とする場合には、吸水性樹脂又は高吸水性樹脂及びパルプ材料を小割合ながら含有するので、吸収体、該吸収体を使用するシーツ及び包装材料を形成する上で、水の吸収性及び保水性並びに加圧成形時の成形性が良くなるので好ましい。本発明において、プラスチック廃材粉砕物に混入するパルプ材料が、殺菌剤及び消臭剤を保有する場合には、形成された吸収体、該吸収体を使用するシーツ及び包装材料は、殺菌作用及び消臭作用を有することとなるので好ましい。
【００２７】
本発明において、５ｍｍ以下の粒度の野菜屑粉砕乾燥物に、該廃材粉砕物より少量の５ｍｍ以下の粒度に粉砕されたプラスチック廃材粉砕物を混合した吸水性材料層部を有する吸収体の場合には、プラスチック廃材粉砕物を混合することにより、吸水性及び保水性を増加し、また弾力性を増加することができる。また、本発明において、野菜屑粉砕乾燥物及びプラスチック廃材粉砕物混合物に界面活性剤を付着させると、該野菜屑粉砕乾燥物及びプラスチック廃材粉砕物混合物が、吸水速度を増加でき、保水性を増加させることができるので好ましい。５ｍｍ以下の粒度に粉砕されたプラスチック粒子に界面活性剤を付着させると、粉砕されたプラスチック粉砕物及び／又はプラスチック廃材粉砕物が、水に濡れ難い性質、即ち撥水性を有していても水に濡れ易くなり、吸水性及び保水性を増加させることとなる。本発明において、５ｍｍ以下の粒度の野菜屑粉砕乾燥物、５ｍｍ以下の粒度に粉砕されたプラスチック廃材粉砕物及び吸水性樹脂の混合物中のプラスチック廃材粉砕物の混合割合は、５０重量％以下である。しかし、野菜屑粉砕乾燥物の混合割合が大きくなるほど、吸収体の吸水性及び保水性に優れることとなるので、野菜屑粉砕乾燥物の混合割合は、例えば、５０重量％以上、好ましくは７０重量％以上、さらに好ましくは、８０重量％以上であるのが好ましい。
【００２８】
本発明において、５ｍｍ以下の粒度の野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度に粉砕されたプラスチック廃材粉砕物及び前記プラスチック廃材粉砕物より少量の吸水性樹脂の混合物で形成される吸水性材料層部の少なくとも一部、例えば表面側に、界面活性剤を付着させることにより、吸水性材料層部の吸水速度及び透水速度を高めることができ、吸収体に吸収されないで吸収体の表面に残留する水の残留時間を著しく短縮することができる。本発明において、吸収体に付着させる界面活性剤の量は、吸収体１ｇあたり、０．０５ｇ以下、好ましくは、０．００９ｇ以下とするのが好ましい。吸収体に付着した界面活性剤の量が０．０５ｇより多いと、費用が嵩む上に、水の吸水性材料層部を通過する速度が大きくなって、水は吸水性材料層部に十分に吸収されずに吸水性材料層部を通過して不透水性層部上に溜まり、その後不透水性層部の上から吸水性材料層部に吸収されることとなる。水の吸水性材料層部を通過する通過速度を小さくさせて、水が吸水性材料層部に吸収されながら、不透水性層部に向けて移動させるためには、吸収体への界面活性剤の付着量は、０．００９ｇ以下とするのが好ましい。
したがって、本発明において、界面活性剤を付着させた吸収体を使用してシーツ又は包装材料としたときには、吸収体の表面側に配置された透水性薄層部、例えば不織布上に水が残留しないようにすることができ、不織布に比較的乾いた感触を与えることができるので好ましい。
【００２９】
本発明においては、吸収体の吸水速度を大きくするために、吸収体の表面側及び背面側は、吸水性紙層部により形成される。この吸水性紙層部は、その吸水速度を大きくするためであり、吸収紙、薄用紙若しくは衛生紙又はこれらの二種以上を組み合わせた紙が使用される。この紙には、湿式不織布若しくは乾式不織布を包含する。このような紙としては、例えばトイレットペーパー、衛生紙若しくは紙綿等のティッシュペーパー、レーヨン紙、湿式不織布若しくは乾式不織布又は複合紙等の一種以上の薄葉紙又は一種以上の吸収紙又はこれらの組み合わせにより形成することができる。例えば、吸水性紙層部は、一枚又は複数枚の薄用紙により形成することができる。吸水性紙層部は、複数枚の薄用紙により形成された吸収紙から形成する場合には、薄用紙を一枚づつ合わせて若しくは貼り合わせて形成され、又は予め合わせて一体にされた複数の薄葉紙により形成された吸収紙から形成することができる。薄葉紙の枚数を多くすると、吸収体の吸水速度を大きくすることができる。即ち吸収紙の坪量が大きいほど吸水性に優れるので好ましい。しかし、坪量が大きい吸収紙の使用は、費用が嵩むために、費用的に適度な範囲で、また適度な吸水性の範囲で、吸収紙を選択するのが好ましい。坪量は１８ｇ／平方メートル乃至１０ｇ／平方メートルとすることができる。この場合、薄葉紙については、水に濡れて発色する発色剤又は水と反応して発色する発色剤等の着色性物質により着色することができる。吸収紙としては、薄葉紙と化学繊維紙を貼り合わせ加工した吸収性を有する複合紙を使用することができる。
【００３０】
本発明におけるプラスチック廃材を使用する吸収体の場合、該吸収体の保水能力を大きくさせ、また弾力性を増加させるために、前記吸収体の前記表面側及び背面側の吸水性紙層部間に、５ｍｍ以下の粒度の野菜屑粉砕乾燥物、該野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度に粉砕されたプラスチック廃材粉砕物及び該プラスチック廃材粉砕物より少量の吸水性樹脂を含む吸水性材料層部が設けられる。前記表面側及び背面側の吸水性紙層部並びに吸水性材料層部は、一体に合わされて、又は一体に貼り合わされて、吸収体に形成することができ、時には、表面に、エンボス皺が形成されている吸収体に形成することができる。
【００３１】
吸収体に臭気等の除去機能をもたせるときは、いずれの組成の吸水性材料層部であっても、吸水性材料層部に、不良チタン紙粉砕物若しくはチタン紙廃材粉砕物、不良アルミナ紙粉砕物若しくはアルミナ紙廃材粉砕物、不良チタン酸カリウム紙粉砕物若しくはチタン酸カリウム紙廃材粉砕物、不良アルミナ・シリカ紙粉砕物若しくはアルミナ・シリカ紙廃材粉砕物又は不良炭素繊維紙粉砕物若しくは炭素繊維紙廃材粉砕物等の臭気除去機能を有する不良無機繊維紙の粉砕物又は無機繊維紙廃材の粉砕物又は前記粉砕物の二以上の混合物を配合することができる。
【００３２】
さらに本発明においては、吸収体に臭気等の除去機能を持たせるために、活性炭、タルク、ゼオライト粉末又はベントナイト等の無機質の吸着剤を，吸水性材料層部に配合することができる。またこれらの吸着剤の他に、吸収体に配合して、臭気等の除去機能を持たせるための脱臭剤もしくは消臭剤としては、フラボンを基本とするフラボン類、イソフラボンを基本とするイソフラボン類、フラボノールを基本とするフラボノール類、フラバノンを基本とするフラバノン類、フラバノールを基本とするフラバノール類、フラバン−３，４−ジオール、フラバン−３−オール、アントシアニジンを基本とするアントシアニジン類、オーロンを基本とするオーロン類、カルコンを基本とするカルコン類、ジヒドロカルコンを基本とするジヒドロカルコン類等を包含するフラボノイドがあり、また、これらの他に、リリース科学工業株式会社製のパンシルＢＡ−２１０−１（商品名）又は株式会社東海興産製のスメルナーク（商品名）などがある。
【００３３】
本発明において、前記表面側及び背面側の吸水性紙層部は、夫々、共に少なくとも一枚の吸水性に優れる薄葉紙で形成することができるが、吸水性を増加させるために、複数の薄葉紙を、一枚づつ合わせて又は貼り合わせて形成することができ、また、予め合わせて一体にされた複数の薄葉紙により形成することができる。薄葉紙は、水に反応して発色する発色剤により着色されているものとすることができる。
【００３４】
この吸収体を使用したシーツ又は包装材料の場合、表面を形成する部材は、その目的に応じて、乾式法又は湿式法により製造された不織布及びその他の透水性のある薄層部材とすることができる。透水性の薄層部材は、水透過の程度に応じた透水機能を有する湿式法又は乾式法により製造された不織布とすることができる。透水性薄層部の場合、外側に向く面即ち外面若しくは表面を水に濡れ易い性質になるように表面処理を行い、内側に向く面即ち内面若しくは裏面を水に濡れ難い性質になるようにすると、一旦、内側に吸収された水が、外側に滲み出ることを防止することができる。背面を形成する部材は、吸収体の背面側吸水性紙層部の背面に接して設けられものであり、不透水性のプラスチックフィルム等の不透水性の薄層部材により形成することができる。このような不透水性薄層部材としては、ポリエチレン樹脂、ポリプロピレン樹脂等のプラスチック材料製の不透水性のプラスチックフィルムで形成することができる。しかし、本発明において、植木鉢等の容器叉は包装材料の場合には、背面となる薄層部は、容器に入れるもの又は包装される材料に応じて、透水性の薄層部材で形成することができる。このように背面を透水性の薄層部により形成する場合には、水透過性の程度に応じた大きさの孔を有するプラスチックフィルム又は水透過の程度に応じた透水機能を有する湿式法又は乾式法により製造された不織布とすることができる。
【００３５】
このように吸収体表面側及び底部の部材を水透過性に構成すると、例えば、雨等で濡れた床面に配置することにより、床面を濡らす水を自動的に吸い取ることができ、床面の濡れを拭き取る必要がなくなり、床の濡れを拭う手間を省くことができる。このように透水性の薄層部を有するシーツは、乗り物の敷物、傘立ての敷物、洗面所の敷物、便器の周囲等の敷物として使用して、夫々の床の濡れを防止することができる。また、透水性の薄層部を、複数の毛細管状の細かい孔を有する材料により形成すると、例えば青果物又は鮮魚等を包装するのに使用される下敷き若しくは中敷き等の敷物及び包装材料として使用するときに、透水性薄層部の所望寸法の孔を通して、包装される青果物や鮮魚等の被包装材料の水分が移動し、被包装材料の水分の量を適度に調整することができる。また、吸収体に付与される水分の量を適度に調整する機能は、植木鉢に形成して植木等の植物の育成に好ましい。
【００３６】
本発明において使用される吸水性樹脂としては、製品としての高吸水性樹脂の他に、高吸水性樹脂を含有する５ｍｍ以下、好ましくは３ｍｍ以下に粉砕された紙おむつ廃材粉砕物、乳パツド廃材粉砕物、尿パッド廃材粉砕物、生理用ナプキン廃材粉砕物、吸収性繊維又はラミネート紙廃材粉砕物或いは前記粉砕物の二以上の混合物をその侭使用することができ、また前記の廃材粉砕物及び廃材粉砕物の混合物から分級処理により分別された高吸水性樹脂に富む分離産物を使用することができる。
したがって、本発明において、吸水性樹脂は、例えば、不良紙おむつを含めた紙おむつ廃材、不良乳パッドを含めた乳パッド廃材、不良尿パッドを含めた尿パッド廃材の粉砕物若しくは不良生理用ナプキンを含めた生理用ナプキン廃材粉砕物又は前記廃材粉砕物の二以上の混合物についての分級処理により、高吸水性樹脂に富む分離産物として回収された所謂再生吸水性樹脂、又は前記再生高吸水性樹脂の二以上の混合物などがある。不良高吸水性繊維を含めた高吸水性繊維廃材粉砕物これらの衛生材料製造時に発生する裁断屑又は集塵ロスは、其の侭粉砕されて吸水性樹脂として使用されるが、これらは、吸水性樹脂の含有量が少ないので、前記裁断屑の粉砕物や集塵ロスを使用するときは、吸水性樹脂又は高吸水性樹脂を添加混合することが必要である。
本発明において、衛生材料中には、吸水性樹脂は、一般にパルプ材料と一緒に存在している。殺菌性及び消臭性を有するパルプ廃材を含有する衛生材料の廃材中の吸水性樹脂を使用すると、殺菌作用及び消臭作用を及ぼす物質が存在するので、殺菌及び消臭が行われるので好ましい。
【００３７】
本発明においては、吸収体並びに該吸収体を使用するシーツ及び包装材料の質感及び弾力感を増すために、吸水性材料層部には、５ｍｍ以下の粒度の野菜屑粉砕乾燥物、野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少量の吸水性樹脂、野菜屑粉砕乾燥物及び該野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度に粉砕されたプラスチック廃材粉砕物の量を多くすることができる。吸水性材料層部における吸水性樹脂の量は、３０重量パーセント以下とするのが好ましい。吸水性樹脂の価格は比較的高いので、吸水性材料層部における吸水性樹脂の含有率を例えば１０重量パーセント以下とするのが、さらに好ましく、またさらに５重量パーセント以下とするのが好ましい。本発明においては、吸水性材料層部における吸水性樹脂の含有率を、例えば５重量パーセント以下としても、５ｍｍ以下の粒度の野菜屑粉砕乾燥物が保水性及び吸水性を有し、さらに５ｍｍ以下の粒度に粉砕されたプラスチック廃材粉砕物にあっても、かなりの保水性を有するので、吸水性樹脂の含有率が低下した分の保水性及び吸水性を補うことができる。
【００３８】
本発明においては、吸収体の水の通過速度及び吸収速度を増加させるために、吸収体又は吸水性材料層部には、界面活性剤を付着叉は添加することができる。このように、本発明においては、界面活性剤を吸収体又は吸水性材料層部に付着させることにより、吸収体上に溜まる水分を速やかに吸収させることができる。
界面活性剤としては、ドデシルベンゼンスルホン酸ナトリウム等の陰イオン界面活性剤が好ましいが、これらの外にラウリルトリメチルアンモニウムクロライド等の陽イオン界面活性剤、オクチルフェニールエーテル等の非イオン界面活性剤などがある。
【００３９】
本発明においては、シーツを形成する場合には、溌水性の不織布層部を、吸収体の表面上に形成すると、シーツの表面の不織布層部が濡れても、該不織布層部上から侵入した水は、不織布層部の撥水性により吸収体から水が滲み出るのを防止することができるので好ましい。本発明においては、吸収体及びシーツの吸水能力を大きくするために、吸収体の表面側及び背面側には、薄葉紙で形成された吸水性紙層部が設けられる。吸収体の保水能力を大きくするために、前記表面側及び背面側の吸水性紙層部間に、野菜屑粉砕乾燥物、紙廃材粉砕物、プラスチック廃材粉砕物及び吸水性樹脂を含む吸水性材料層部が設けられ、前記表面側及び背面側の吸水性紙層部並びに吸水性材料層部は、一体に貼り合わされて吸収体が形成される。
【００４０】
本発明において、表面側吸水性紙層部、背面側吸水性紙層部、並びに前記表面側及び背面側の紙層部間に設けられている５ｍｍ以下の粒度の野菜屑粒子を含む野菜屑粉砕乾燥物及び吸水性樹脂を含む吸水性材料層部は、エンボスを付されて比較的柔軟な板状体に加圧成形することができる。このように比較的柔軟な板状体とすることにより、床の部分によく密着して、床の水滴等を吸収し易くなるので好ましい。本発明においては、吸水性材料層部に５ｍｍ以下の粒度の野菜屑粉砕乾燥物を含有させることにより，得られる吸収体及びシーツ等に、弾力性を与えることができる。
【００４１】
本発明において、シーツは、表面を形成する透水性薄層部を有しており、この透水性薄層部は、例えばポリプロピレン、ポリエチレン、ナイロン若しくはビニロン等のプラスチック繊維製の不織布又はポリエチレン、ポリプロピレン、塩化ビニル樹脂等のプラスチック材料製の多孔膜で形成することができ、背面側は、不透水性のプラスチックフィルム層部であり、プラスチックフィルム層部は、吸収体の場合と同様に、ポリエチレン、ポリプロピレン等のプラスチック製のフィルム等の不透水性の薄層部で形成することができる。本発明において、前記透水性薄層部の内側には、その内側面に接して吸水性紙層部を設けることができる。本発明において、透水性薄層部は、殺菌性及び消臭性が付与されたものを使用すると、使用中に、付着する汗や尿などにより発する臭気を減少させるので好ましい。また、本発明において、生分解プラスチック材料の不透水性膜及び透水性膜層部、並びに生分解プラスチック材料含有の吸水性材料層部を使用すると、得られた吸収体、シーツ及び包装材料を土中に埋めて廃棄することができるので好ましい。本発明の包装材料において、上下両面を透水性とする場合には、上下両面を、不織布等の透水性薄層部とすることができる。
本発明において、透水性薄層部は、例えば、２５ｍｌの水を、例えば洗浄壜のノズルより、１０秒以内に、直径２ｃｍの円内に注入したときに、その全量が透過する時間が２０秒以内のものが好ましく、ここで透過する時間、即ち透水性はさらに短くなる程好ましい。
【００４２】
本発明において、吸水性紙層部は、吸収紙、吸収紙又はクレープ紙等の薄葉紙で形成されるのが、良好な吸水性を確保できるので好ましい。また、本発明において、吸収紙には、パルプと化学繊維を液中に分散させ、抄紙して製造した複合紙を使用することができる。薄葉紙に例えばポリプロピレン製の化学繊維紙等の化学繊維紙を貼り合わせた吸水性又は透水性を有する複合紙を使用することができる。
本発明において、吸収体は、その表面側を前記透水性薄層部の背面に接して設け、また、その背面側を、その侭として、吸収体の底部とすることができる。しかし、この場合、前記背面側に接して不透水性のプラスチック製の薄層部を形成して、底面を補強することができる。この場合には、前記吸収体は、その背面側に接して設けられる前記不透水性のプラスチック製の薄層部と、吸収体の表面側に接して設けられる透水性薄層部とで囲まれた状態に形成することができる。
【００４３】
シーツ又は包装材料において、底面からの水等の液の吸収を図る必要性がある場合には、底面に目的の透水性を付与するために、底部を透水性薄層部とすることができる。
本発明において、吸収体は、その表側及び裏側の夫々に吸収紙等の薄葉紙により吸水性紙層部が形成される。吸収紙等の薄葉紙は、例えば、一枚の坪量が１２．５ｇ／平方メートルのティシュペーパとすることができ、上下に夫々一枚宛配置することができる。本発明において、吸収体が、人用若しくは動物用シーツ又は人用若しくは動物用の紙おむつに使用されるシーツとして使用されるときは、例えば、表面の吸収紙を二枚とし、最表面側に位置する吸収紙を検査用着色性物質を付着させて検査用吸収紙とすることができる。また、この場合、吸収体は、衛生的であるように、消毒等の処理されるのが好ましい。また、薄葉紙として、殺菌性を有する薄葉紙を使用すると、吸収体、シーツ及び包装材料の使用において、吸収体、シーツ又は包装材料に付着する汗や尿などにより発する臭気を減少させるので好ましい。
【００４４】
本発明において、吸水性樹脂の用語は、高級水性樹脂の他に、高級水性樹脂に比して吸水能力が低い吸水性樹脂をも意味する。
本発明において使用される吸水性樹脂は、人工尿で自重の３０倍から１００倍程度の水を吸収しても、形を保持できる高吸水性樹脂であるのが好ましい。このような高吸水性樹脂としては、例えば、ビニルエステルとエチレン系不飽和カルボン酸又はその誘導体との共重合体鹸化物、澱粉とアクリル酸のグラフト重合体、ポリアクリル酸の架橋物、ビニルアルコールとアクリル酸の共重合体、ポリアクリロニトリルの部分加水分解物、カルボキシメチルセルロースの架橋物、ポリエチレングリコールの架橋物、キトサンの塩又はプルランのゲルなどがある。これらは、吸水性材料粉に単独で又はこれら２種以上を混合して使用される。廃油処理等に使用する場合は、吸油性の高い吸水性樹脂が使用される。
【００４５】
本発明において、廃材に含ませる吸水性樹脂は、吸水性の高い所謂高吸水性樹脂を使用すると、その使用量を少なくできるので好ましい。
本発明において、不良紙おむつ廃材の吸水性樹脂に富む分級産物を使用すると、該分級産物に含まれる高吸水性樹脂の量は、１４乃至２８重量％程度に達するので、高い吸水性を維持することができるので好ましい。
例えば、紙おむつ廃材から回収された再生高吸水性樹脂含有物は、人工尿で吸水倍率が１０〜３０ｇ／ｇとその吸水性能は乏しいが、吸収体用の吸水性樹脂としては、この程度の吸水性能で十分である。この場合、使用される再生高吸水性樹脂の粒度は、５０乃至５００μｍであるのが好ましい。
【００４６】
【作用】
本発明において、吸収体は、吸収体は、例えば、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の粒度の野菜屑粉砕乾燥物、５ｍｍ以下の粒度の野菜屑粉砕乾燥物及び前記野菜屑粉砕乾燥物より少量の吸水性樹脂、又は５ｍｍ以下の平均粒度の野菜屑粉砕乾燥物、前記野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含んで形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されているので、吸収体を比較的安価に製造でき、吸収体に付着する水を比較的短時間に吸収することができ、また床の上に配置して、吸収体は、床に落ちる水滴を吸収するが、何れの場合にも、吸収後、吸収体の表面は比較的乾いた状態を維持する事ができ、また、床が濡れるのを防止することができる。
したがって、例えば、露天のイベント会場の床や運動場の地面の雨による濡れの防止、調理場の床、洗面所の床、冷蔵庫の周囲の床、及びトイレの床等に敷いて、床の水滴を吸収して、床の濡れを防止することができる。また例えば、ベット用補助マットに使用して、夜尿症の患者のベットの濡れを防止することができる。建築物の天井部、壁部又は窓部等の結露の拭き取り用の吸水性マットとして使用して、窓等の結露を除去することができる。また園芸用の水の蒸発防止用の吸水性マットとして、予め湿らせて鉢植え等に被せて使用すると、保水による鉢植えからの水の蒸発を防止することができる。吸水性マットを例えば水産物の下に敷いて、又は吸水性マットを袋状に形成して、水産物を包んで、水産物を氷解した水に接触することなく運搬することができる。
【００４７】
また本発明において、吸収体は、例えば、表面を形成する表面側吸水性紙層部と、背面を形成する背面側吸水性紙層部と、前記表面側及び背面側吸水性紙層部間に設けられ、５ｍｍ以下の粒度の野菜屑粉砕乾燥物、５ｍｍ以下の粒度の野菜屑粉砕乾燥物及び前記野菜屑粉砕乾燥物より少量の吸水性樹脂、又は５ｍｍ以下の平均粒度の野菜屑粉砕乾燥物、前記野菜屑粉砕乾燥物より少量の５ｍｍ以下の粒度の廃棄物配合材料粉砕物及び前記廃棄物配合材料粉砕物より少量の吸水性樹脂を含んで形成されている吸水性材料層部とを備えており、前記表面側吸水性紙層部、吸水性材料層部及び背面側吸水性紙層部は、合わせられて一体に形成されているので、パルプ材料を使用しないでも、弾力性を有する吸収体を得ることができ、シーツに使用して、弾力性のあるシーツをを得ることができる。したがって、本発明は、所定の形状及び弾力性を保って、床に落ちる水滴を吸収でき、例えば、水場の濡れを解消することができる。したがって、本発明の吸収体を使用するシーツは、例えば傘立ての受部に使用すると、濡れた傘から流れ落ちる水滴を吸収するので、傘立てに水が溜まることがなくなる。
【００４８】
本発明において、包装材料は、表面側吸水性紙層部と背面側吸水性紙層部との間に配設される５ｍｍ以下の粒度の野菜屑粉砕乾燥物を及び前記野菜屑粉砕乾燥物より少ない量の高吸水性樹脂を含む吸水性材料層部に、チタン紙廃材の粉砕物、アルミナ紙廃材の粉砕物、チタン酸カリウム紙廃材の粉砕物、アルミナ・シリカ紙廃材の粉砕物若しくは炭素繊維紙廃材などの無機繊維紙廃材の粉砕物又は前記無機繊維紙廃材粉砕物の二以上の混合物を臭気除去材として、その一部に使用するので、吸収体中の無機繊維紙廃材粉砕物の臭気除去機能により、本発明のシーツは、使用時にシーツに発生する臭気を除去することができ、使用後のシーツの臭気を緩和することができる。また、本発明の包装材料は、青果物の包装に使用するときは、青果物より発生する成熟ホルモンのエチレンを除去することにより、青果物の新鮮さを保持することができる。
本発明において、透水性とは、透水する性質を意味し、例えば、２０秒以下で水又は疑似尿の一定量（２５ｍｌ）を２ｃｍの円内に注入したときに、その全量の水又は疑似尿が透過するに要する時間（秒）で求められ、透過する時間の短い方が長い方より透水性に優れる。
【００４９】
【実施例】
以下、本発明の実施の態様の例を説明するが、本発明は、以下の説明及び例示によって何等制限されるものではない。
図１は、本発明の一実施例の一層の吸水性材料層部を有する吸収体の断面構造の概略を示す概略の部分断面図である。図２は、前記図１に示す実施例の吸収体の断面構造を有する本発明の一実施例の吸収体についての幅方向の概略の断面構造を示す断面図である。図３は、前記図１に示す実施例の吸収体の断面構造を有するが、図２に示す実施例の吸収体とは異なる本発明の他の一実施例の吸収体についての幅方向の概略の断面構造を示す断面図である。図４は、前記図２に示す実施例の吸収体を使用する本発明の一実施例の人用若しくは動物用の使い捨ておむつ用シーツ、人用若しくは動物用のシーツ、吸収性マット又は包装材料用のシーツについての幅方向の概略の断面構造を示す断面図である。図５は、前記図３に示す実施例の吸収体を使用する本発明の他の一実施例の人用若しくは動物用の使い捨ておむつ用シーツ、人用若しくは動物用のシーツ、吸収性マット又は包装材料用のシーツについての幅方向の概略の断面構造を示す断面図である。図６は、前記図１に示す本発明の実施例の吸収体を使用する本発明の一実施例の人用若しくは動物用の使い捨ておむつ用シーツ、人用若しくは動物用のシーツ、吸収性マット又は包装材料用のシーツを製造する工程を示す概略の工程図である。図７は、図６に示す動物用シーツを製造する工程の詳細な工程の概略を示す工程図である。図１乃至図７において、対応する箇所には同一の符号が使用されている。
【００５０】
図１は本発明の一実施例の吸収体について、その概略の構造を示す概念図である。図１に示す本発明の一実施例において、吸収体１は、背面側吸収紙２の上に吸水性材料層部３が位置し、該吸水性材料層部３の上に表面側吸収紙４が位置して一体に形成されている。本例における吸収体１は、背面側吸収紙２の上に吸水性材料層部３を形成し、この形成された吸水性材料層部３の上に表面側吸収紙４を配置して、これら全体を加圧成形して一体に形成する。
【００５１】
図２に示す実施例においては、背面側吸収紙２は、その幅方向が、表面側吸収紙４の幅方向の長さより大きく形成されている。これは、本例の吸収体において、背面側吸収紙２の上に吸水性材料層部を形成し、その上に表面側吸収紙を配置したところで、背面側吸収紙の幅方向の両端部５を、表面側吸収紙４の両端部６上に折り重ねて、背面側吸収紙の端部５を表面側吸収紙の端部６に接着するためであり、これにより、背面側吸収紙２の上に載置された吸水性材料層部３を安定させることができる。
【０００５２】
図３に示す実施例においては、表面側吸収紙４は、その幅方向において、背面側吸収紙２と互いに端部が重なり合うように、表面側吸収紙４と背面側吸収紙２を、幅方向の長さが略等しく形成することができる。このようにすると、背面側吸収紙２の上に吸水性材料層部３を載置し、その上に表面側吸収紙を配置したところで、背面側吸収紙の幅方向の両端部５を、表面側吸収紙４の両端部６上に重ね合わせて、背面側吸収紙の端部５を表面側吸収紙の端部６に接着することができる。本例においては、これにより、背面側吸収紙２の上に載置された吸水性材料層部３を安定させることができ、また、加圧成形時に、背面側吸収紙２及び表面側吸収紙４の幅方向の端部を互いにホットメルト接着により接着することができる。
【００５３】
例１
図１乃至３に示す実施例において、吸収体１は、その侭、吸収体として使用可能であり、また、吸収性マット、各種シーツ及び包装材料の吸収体として使用可能である。
本例の吸収体１は、例えば、幅３３０ｍｍ、長さ６００ｍｍであり、包装材料や育苗ポットに使用される吸収体である。
本例において、吸収体１は、表面及び背面が薄葉紙で形成される事例であり、幅３７０ｍｍ、長さ６００ｍｍの寸法の吸収紙（坪量：１４ｇ／平方メートル）を背面側吸収紙２に使用して底面を形成しており、該背面側吸収紙２の上に、５ｍｍ以下の粒度に粉砕され乾燥された野菜屑粉砕乾燥物１４０ｇを載置して、吸水性材料層部３が形成されている。
本例において、吸水性材料層部は、野菜屑粉砕乾燥物により形成されており、本例において、補野菜屑粉砕乾燥物は、根菜の葉部屑５０重量％並びにキャベツ及びレタスの表皮屑５０重量％を、５ｍｍスクリーンを通して混合粉砕し、次いで、熱風乾燥機により水分含有率が１０重量％以下に乾燥し、さらに乾式解繊機により、３ｍｍ以下の平均粒度に粉砕して製造される。
この吸水性材料層部３の上には、薄葉紙で形成され、幅３２０ｍｍ、長さ６００ｍｍの寸法の吸収紙（坪量：１４ｇ／平方メートル）が表面を形成する表面側吸収紙４として載置されている。これら背面側吸収紙２、吸水性材料層部３及び表面側吸収紙４がこの順に重ね合わされた積層物は、一体に加圧成形されて吸収体１を形成する。加圧成形により形成された吸収体１は、加圧成形時に、その表面側吸収紙４及び背面側吸収紙２に、例えばエンボス皺（図示されていない）が形成される。得られた吸収紙は、幅が３３０ｍｍであり、長さが６００ｍｍであった。
この吸収体の全面をポリプロピレン不織布で包んで、外寸で、幅３４０ｍｍ、長さ６５０ｍｍの包装材料を作製した。この包装材料により野菜運搬を行ったが、従来の野菜運搬用シートに比して、変わるところなく使用することができた。
【００５４】
図１乃至図３に示す実施例において、背面側吸収紙２は、その幅方向が、表面側吸収紙４の幅方向の長さより大きく形成されており、成形前に、背面側吸収紙２の幅方向の両端部５を、表面側吸収紙４の両端部６上に折り重ねられ、続く加圧加熱工程において、加熱圧着される（図２参照）。
しかし、表面側吸収紙４は、その幅方向において、背面側吸収紙２と互いに端部が重なり合うように形成することができる。このように表面側吸収紙４と背面側吸収紙２の幅方向の長さを略等しく形成すると、加圧成形時に、表面側吸収紙４と背面側吸収紙２の幅方向の端部を、互いにホットメルト接着法により接着することができる（図３参照）。
【００５４】
例２
図１乃至図３に示す実施例において、吸収体１は、表面及び背面がレーヨン紙で形成されている。本例において、幅３７０ｍｍ、長さ６００ｍｍの寸法のレーヨン紙（坪量：４０ｇ／平方メートル）を背面側吸収紙２に使用して底面が形成されており、該背面側吸収紙２の上に、例１で作製された、３ｍｍ以下の平均粒度の野菜屑粉砕乾燥物２００重量部、製本時に発生するバフ粉１００重量部及びタピオカα澱粉（松谷化学工業株式会社製）５０重量部の混合物（３５０ｇ／平方メートル）を載置して、吸水性材料層部３を形成する。この吸水性材料層部の上に同寸法で、同坪量のレーヨン紙を載置して、背面側吸収紙２、吸水性材料層部３及び表面側吸収紙４がこの順に重ね合わされた積層物を形成し、次いでこの積層物を、一体に加圧成形して吸収体１を形成する。加圧成形により形成された吸収体１は、４３０ｇ／平方メートルであり、加圧成形時に、その表面側吸収紙４及び背面側吸収紙２に、例えばエンボス皺（図示されていない）が形成される。
【００５５】
本例においては、加圧成形時に、表側になるレーヨン紙の表面に、結合剤として、澱粉、熱可塑性樹脂、エチルセルロース又はビニルアルコールの５％溶液を、１平方メートルあたり５乃至２０ｍｌ、好ましくは１０ｍｌを全面に均等に噴霧した。この結合剤が噴霧された吸収体を、金型に入れて加熱成形して、育苗ポットを作製した。この育苗ポットは、通常の育苗ポットと同様に使用できた。本例の育苗ポットは野菜屑が主成分であるので、使用後は土壌中で完全に分解し消滅した。
【００５６】
例３
図４及び図５に示す実施例は、野菜、鮮魚、果実叉は花卉用のガス吸収性包装材料、動物用シーツ又は水吸収性マツトとして使用するシーツ、シート又はマツトの例である。
図４に示す実施例におけるシーツ、シート又はマツトにおいて使用される吸収体１は、図２に示すように、背面側吸収紙２の上に吸水性材料層部３を設け、その吸水性材料層部３の上に表面側吸収紙４を重ねて配置し、該表面側吸収紙４の端部６の上に前記背面側吸収紙２の端部５を重ねて形成されている。本例のシーツは、表面側吸収紙４の上に、不織布１２を配置し、吸収体１の下面側吸収紙２の下にプラスチックフィルム１１を配置して、不織布１２の端部１４とプラスチックフィルム１１の端部１３は、ホットメルト接着法により接着されている。
図５に示す実施例におけるシーツ、シート又はマツトにおいて使用される吸収体１は、図３に示すように、背面側吸収紙２の上に吸水性材料層部３を設け、その上に表面側吸収紙４を配置し、該表面側吸収紙４の端部６と前記背面側吸収紙２の端部５とを重ねて形成されている。本例のシーツは、表面側吸収紙４の端部６と吸収体１の表面側吸収紙４の上に、不織布１２を配置し、吸収体１の下面側吸収紙２の下にプラスチックフィルム１１を配置して、不織布１２の端部１４とプラスチックフィルム１１の端部１３は、ホットメルト接着法により接着されている。
【００５７】
図４及び図５に示す実施例において、シーツ１０は、動物用シーツであり、例えば、外寸で、幅３００ｍｍ、長さ４５０ｍｍに形成されている。
本例において、吸収体１は、表面及び背面が薄葉紙で形成される事例であり、本例においては、坪量が１４ｇ／平方メートルの薄用紙を、背面側吸収紙２及び表面側吸収紙４に使用して夫々、背面及び表面を形成した。この背面側吸収紙２及び表面側吸収紙の間に、３ｍｍ以下の粒度に粉砕され乾燥された野菜屑粉砕乾燥物３５重量％、３ｍｍ以下の粒度に粉砕された紙おむつ規格外品粉砕物３０重量％、３ｍｍ以下の粒度に粉砕されたパルプ系不織布屑粉砕物３０重量％及び吸水性樹脂５重量％の混合物を載置して、背面側吸収紙２及び表面側吸収紙の間に吸水性材料層部３を形成する。この背面側吸収紙２、吸水性材料層部３及び表面側吸収紙４がこの順に重ね合わされた積層物を、一体に加圧成形して吸収体１を形成する。加圧成形により形成された吸収体１は、加圧成形時に、その表面側吸収紙４及び背面側吸収紙２に、例えばエンボス皺（図示されていない）が形成される。
【００５８】
本例においては、吸収体１又はその吸水性材料層部３の表面側には、陰イオン界面活性剤のドデシルベンゼンスルホン酸ナトリウム１ｍｌを７４ｍｌの水で希釈したドデシルベンゼンスルホン酸ナトリウム溶液の１．５ｍｌを噴霧した層（図示されていない）を形成する。したがって、本例においては、この界面活性剤溶液が噴霧された吸水性材料層部３の上に、表面側吸収紙４の１４ｇ／平方メートルが配置されている。この吸収体を２０ｇ／平方メートルのポリエチレンフィルム上に載置し、該吸収体の上を目付１８ｇ／ポリプロピレン不織布で覆い、全体を加熱圧着し、外寸で、幅３００ｍｍ、長さ４５０ｍｍの動物用シーツを作製する。このように作製された吸収体について、疑似尿２５ｍｌを注射器により１０秒以内に吸収体の一点に加えて、一点に加えられた疑似尿が、吸収体に吸収されないで表面に残留する時間を測定したところ全量が吸収されるに要した時間は約１乃至２秒であった。この結果は、従来のパルプ及び高吸水性樹脂を使用した吸収体と同様であった。
また、この動物用シーツついては、室内において、小型犬のヨークシャテリアで使用したが、従来の動物用シーツに比して、変わるところなく使用することができた。
【００５９】
本例のシーツ１０について、吸水テストが行われた。本例における吸水テストは、疑似尿又は水２５ｍｌを注射器により１０秒以内に吸収体の一点に加えて、一点に加えられた疑似尿又は水が、吸収体に吸収されないで表面に残留する時間を測定して行われた。界面活性剤を付着させた吸収体は、界面活性剤を付着させない場合に比して、疑似尿の残留時間は１／４ほど短縮され、界面活性剤の使用が有効であることが確認された。
【００６０】
例４
図６は、図４叉は５に示した包装材料等に使用されるシーツを製造する実施例の工程を示している。
野菜屑は、水耕栽培農工場からの不適品として、また、青果市場建築現場から廃棄野菜として、さらに、惣菜工場又は給食センターからの野菜調理屑として、ジュース工場からの野菜や果実の絞り粕として、原料受け入れ部１５に集められる。集められた野菜屑は、原料受け入れ部１５に接続する搬送路１６から原料投入部１７に搬送される。原料投入部１７に搬送された野菜屑は、原料投入部１７に接続する粉砕部供給路１８から粉砕工程１９に送られる。粉砕工程１９にはの湿式粉砕機及び熱風乾燥機（共に図示されていない）が設けられており、粉砕工程１９に供給された野菜屑は、まず前記湿式粉砕機により、３ｍｍ以下の粒度に粉砕され、次いで、この粉砕物は熱風乾燥機に送られて、５０乃至１００℃の温度、好ましくは、８０℃の熱風により水分含有率が１０重量％まで、例えば、１０乃至１５分間通して乾燥される。３ｍｍ以下の粒度に粉砕され乾燥された各種野菜屑粉砕乾燥物は、粉砕工程１９とストック瓶２１を接続する粉砕部搬送路２０から搬出される。粉砕部排出路２０から搬出された各種野菜屑粉砕乾燥物は、ストック瓶２１に集められ、ストック瓶２１に接続する粉砕乾燥物供給路２２から、粉砕原料積繊部２３に供給される。粉砕原料積繊部２３には、吸水性樹脂供給部２４及び消臭剤供給部２５が、夫々、供給路２６及び２７を介して吸水性樹脂及び消臭剤を供給可能に接続している。
【００６１】
本例において、粉砕原料積繊部２３の下部には、下台紙供給部２８に接続する下台紙案内路２９が通っており、下台紙案内路２９により下部吸収性下台紙が粉砕原料積繊部２３の下部に案内される。この粉砕原料積繊部２３の下部に案内された下台紙2の上に、吸水性材料層部を形成する材料として、粉砕原料積繊部２３から吸水性樹脂及び消臭剤が混合されている野菜屑粉砕乾燥物が供給され載置される。吸水性樹脂及び消臭剤が混合されている野菜屑粉砕乾燥物が載置された下台紙２は、下台紙案内路２９によって粉砕原料積繊部２３の上台紙供給位置３０に送られる。上台紙供給位置３０には、上台紙供給部３１に接続する上台紙案内路３２が接続しており、下台紙２に載置された吸水性樹脂及び消臭剤が混合されている野菜屑粉砕乾燥物の上に、上台紙４が、上台紙供給部３１に接続する上台紙案内路３２から供給される。吸水性樹脂及び消臭剤が混合されている野菜屑粉砕乾燥物及び上台紙４が載置された下台紙２は、粉砕原料積繊部２３から出る下台紙案内路２９に案内されて、エンボス加工部３３に送られて、このエンボス加工部３３のエンボス加工工程で、上台紙４、吸水性材料層部３及び下台紙２にエンボスが形成されて一体の吸収体積層物に形成され、このエンボス加工部３３の加工工程で、上台紙４と下台紙２の両端部７及び８が圧着されて、一体に形成される。
【００６２】
エンボス形成部３３で形成された積層物は、積層物案内路３４により、吸収体カツト部３５を経由してホットメルト部３６に搬送される。エンボス形成部３３で一体に形成された吸収体積層物は、吸収体カット部３５で所定寸法幅に裁断される。所定寸法幅に裁断された吸収体積層物は、積層物案内路３４により搬送されてホットメルト部３６に送られる。
本例において、ホットメルト部３６には、その下部にバックシート供給部３７に接続するバックシート供給路３８が接続し、その上部に不織布供給部３９に接続する不織布供給路４０が接続しており、上台紙４が載置されてホットメルト部３６に送られた下台紙２の下に、ポリエチレンフィルムのバックシート１１が配置され、上台紙４の上にはポリプロピレン製の不織布１２が配置され、ホツトメルト接着工程に送り接着する。接着されて形成されたシート積層物は、一方でホットメルト部３６に接続し、他方で製品カツト部４２に接続するシート積層物搬出路４１により、製品カツト部４２に搬出される。本例においては、ホットメルト接着剤は、不織布１２の両端部や、その他中央部等の接着箇所に塗布される。
【００６３】
シート積層物は、製品カット部４２において、所定の長さに裁断され、製品としてのシーツ１０が形成される。シーツ１０は、一方で製品カット部４２に接続し他方で製品折り畳み部４３に接続するシーツ搬送路４４により製品折り畳み部４３に送られる。次いで折り畳まれたシーツは、一方で製品折り畳み部４３に接続し、他方で計数検査部４５に接続する製品搬送路４６に送られて、計数及び規格検査が行われ、計数され、規格に合格したシーツは、一方で計数検査部４５に接続し、他方で包装部４７に接続する搬送路４８により、包装部４７に送られ、包装される。
本例において、湿式粉砕機としては、株式会社ホーライ製のものが使用され、乾式の解繊機としては、住倉工業株式会社製又は株式会社ホーライ製ＨＴ形微粉砕機を使用した。
【００６４】
図７に示すに実施例において、製造されるシーツ１０は、前記実施例３に示した外寸で幅３００ｍｍ、長さ４５０ｍｍの動物用シーツであり、吸水性材料層部３は、シーツ一枚あたり３５ｇであり、その成分は、３ｍｍ以下の粒度の野菜屑粉砕乾燥物３５重量％、３ｍｍ以下の粒度の紙おむつ規格外品粉砕物３０重量％、３ｍｍ以下の粒度のパルプ系不織布屑粉砕物３０重量％及び吸水性樹脂５重量％であった。上下吸収紙は、夫々、坪量が１４ｇ／平方メートルであり、上面を形成する不織布の目付は、１８ｇ／平方メートルであり、底面を形成するポリエチレンフィルムは、２０ｇ／平方メートルであった。
【００６５】
下台紙即ち背面側吸収紙２のロール２８は、吸収紙送り出しローラ４９により引き出されて、吸水性材料層部３を形成する野菜屑粉砕乾燥物含有混合物を供給する混合物供給部５１に送られる。混合物供給部５１には、積繊機２３が設けられており、前記野菜屑粉砕乾燥物、紙おむつ規格外品粉砕物及びパルプ系不織布屑粉砕物は、該積繊機２３により混合され、さらに供給段階で吸水性樹脂供給装置２４から供給される吸水性樹脂と混合されて、混合物供給位置５０に送られた背面側吸収紙２の上に供給される。前記野菜屑粉砕乾燥物、紙おむつ規格外品粉砕物、パルプ系不織布屑粉砕物及び吸水性樹脂の混合物（以下、吸水性材料混合物という）を載置した背面側吸収紙２は、消臭剤供給箇所５２に送られて、消臭剤供給装置２７から消臭剤が供給される。ついで消臭剤が供給された背面側吸収紙２は、表面側吸収紙４の供給箇所５３に送られる。表面側吸収紙４は、表面側吸収紙のロール３１から、引き出しローラ５４により引き出され、ロール３１から吸水性材料混合物層の上に供給される。背面側吸収紙２、吸水性材料混合物層及び表面側吸収紙４が配置された帯状成層物は、エンボス加工装置３５に送られ、ここで背面側吸収紙２の端部７が、表面側吸収紙４の端部８の上に重ねられて、エンボス加工により一体に圧縮成形される。エンボス加工によるエンボスが形成された帯状成層成形体は、帯状成形体カッター３５に送られて、長さ４００ｍｍに切断されて成形体１が形成される。帯状成形体カッター４０により切断されて形成された吸収体１は、吸収体１の下方に、バックフィルム用のポリエチレンフィルム１１を供給するポリエチレンフィルム供給箇所５５に送られる。ポリエチレンフィルム供給箇所５５において、吸収体１の下方には、バックフィルム用のポリエチレンフィルム１１がポリエチレンフィルム１１のロール３７から供給ローラ５６により供給され、吸収体１はポリエチレンフィルム１１の上に載せられて、ポリプロピレン不織布１２を被せるポリプロピレン不織布供給箇所５７に送られる。ポリプロピレン不織布１２は、ポリプロピレン不織布１２のロール３９から引き出されてポリプロピレン不織布供給箇所５７に送られる過程で、ホットメルト接着剤が噴霧器５８から噴霧され、ポリプロピレン不織布１２の供給ローラ５９により、不織布１２を供給する箇所５７で、吸収体１の表面側吸収紙４の上に供給され、ホットメルト接着剤が塗布されたポリプロピレン不織布１２は、吸収体１の上に載せられる。ポリエチレンフィルム１１及びポリプロピレン不織布１２で被覆された吸収体被覆物は、サイドシール機３６１に送られて、両側部は、圧着されて、ホットメルト接着剤により接着される。両側部が接着された吸収体被覆物は、エンドシール機３６２に送られて長手方向両端部が接着され、製品カッター４２に送られ、所定の寸法に切断されて、製品となる。このようにして得られたは製品は、製品送り路５０から送られる。製品カッター４９で切断された動物用シーツの製品は、折り機（図示されていない）によって折られ、包装機（図示されていない）により包装されて出荷される。
【００６６】
以上の例においては、動物用シーツについての実施例を説明したが、人用若しくは動物用の使い捨ておむつに使用されるシーツ、人用のシーツ、吸水性マット及び包装材料の場合も同様である。吸水性マットや包装材料において、表及び裏面の双方を透水性とする場合には、バックフィルムのポリエチレンフィルムに代えて不織布を使用することができる。
【００６７】
【発明の効果】
本発明において、吸収体は、５ｍｍ以下の粒度の野菜屑粉砕乾燥物、５ｍｍ以下の粒度の野菜屑粉砕乾燥物及び吸水性樹脂の混合物、叉は５ｍｍ以下の粒度の野菜屑粉砕乾燥物、５ｍｍ以下の粒度に粉砕された廃棄物配合材料粉砕物及び吸水性樹脂の混合物を吸水性材料層部とした吸収体とするので、従来の吸収体に比して、安価な吸収体を提供することができ、また、動物用シーツ、吸水性マット及び包装材料に使用して、安価な動物用シーツ、吸水性マット及び包装材料を提供することができる。しかも、表面を形成する表面側吸収性紙層部及び／又は吸水性材料層部に、界面活性剤を付着させることにより、プラスチック材料含有廃材表面を濡れ易くでき、吸水速度を大きくすることができ、プラスチック廃材の利用を可能にする。従来のパルプ材料を含む吸収体に比して、粉砕混合等の比較的簡単な作業で廉価な吸収体を製造することができ、大量に発生する野菜屑やプラスチック廃材を有効に利用することができる。本発明の吸収体及びシーツにおいて、界面活性剤の使用は、水の吸収速度を比較的大きくでき、例えば床の上に配置して、床に水滴が落ちても、床を乾いた状態に保つことができる。したがって、例えば床等に配置して、床の水に濡れるのを防止でき、また露天のイベント会場の場合には、通路に敷くことにより、雨天の日でも通路を乾いた状態に維持でき、来場した人達に通路の濡れによる不快感を与えることがない。また、本発明の吸収体は、吸収体、シーツ及び包装材料に使用して、従来のものと同様に、野菜や魚介類等の運搬用包装材料として、また植木鉢等に利用して、土壌中で分解できる植木鉢を提供することを可能にするなど有効である。野菜屑粉砕乾燥物は、弾力性を有し、衛生的に保つことにより、人又は動物が、休養時及び就寝時に使用して、肌触りが良く、シーツとすることができる。
【図面の簡単な説明】
【図１】本発明の一実施例の一層の吸水性材料層部を有する吸収体の断面構造の概略を示す概略の部分断面図である。
【図２】前記図１に示す実施例の吸収体の断面構造を有する本発明の一実施例の吸収体についての幅方向の概略の断面構造を示す断面図である。
【図３】前記図１に示す実施例の吸収体の断面構造を有するが、図２に示す実施例の吸収体とは異なる本発明の他の一実施例の吸収体についての幅方向の概略の断面構造を示す断面図である。
【図４】前記図２に示す実施例の吸収体を使用する本発明の一実施例の人用若しくは動物用の使い捨ておむつ用シーツ、人用若しくは動物用のシーツ、吸収性マット又は包装材料用のシーツについての幅方向の概略の断面構造を示す断面図である。
【図５】前記図３に示す実施例の吸収体を使用する本発明の他の一実施例の人用若しくは動物用の使い捨ておむつ用シーツ、人用若しくは動物用のシーツ、吸収性マット又は包装材料用のシーツについての幅方向の概略の断面構造を示す断面図である。
【図６】前記図１に示す本発明の実施例の吸収体を使用する本発明の一実施例の人用若しくは動物用の使い捨ておむつ用シーツ、人用若しくは動物用のシーツ、吸収性マット又は包装材料用のシーツを製造する工程を示す概略の工程図である。
【図７】図６に示す動物用シーツを製造する工程の詳細な工程の概略を示す工程図である。
【符号の説明】
１吸収体
２背面側吸収紙又は下台紙
３吸水性材料層部
４表面側吸収紙又は上台紙
５、７背面側吸収紙又は下台紙２の幅方向の両端部
６、８表面側吸収紙又は上台紙４の両端部
１０シーツ
１１プラスチックフィルム、ポリエチレンフィルムのバックシート又はバックフィルム用のポリエチレンフィルム
１２不織布又はポリプロピレン製の不織布
１３プラスチックフィルム又はポリエチレンフィルムのバックシートの両端部
１４不織布又はポリプロピレン製の不織布の両端部
１５原料受入部
１６搬送路
１７原料投入部
１８粉砕部供給路
１９粉砕工程
２０粉砕部搬送路又は粉砕部排出路
２１ストック瓶
２２粉砕乾燥物供給路
２３粉砕原料積繊部
２４吸水性樹脂供給部
２５消臭剤供給部
２６吸水性樹脂供給路
２７消臭剤供給装置又は消臭剤供給路
２８背面側吸収紙又は下台紙２のロール、下台紙供給部
２９下台紙案内路
３０上台紙供給位置
３１上台紙供給部又は表面側吸収紙４のロール
３２上台紙案内路
３３エンボス加工部
３４積層物案内路
３５吸収体カツト部又は帯状成形体カッター
３６ホットメルト部
３６１サイドシール機
３６２エンドシール機
３７バックシート供給部又はポリエチレンフィルム１１のロール
３８バックシート供給路
３９不織布供給部又はポリプロピレン不織布１２のロール
４０不織布供給路
４１シート積層物搬出路
４２製品カツト部
４３製品折り畳み部
４４シーツ搬送路
４５計数・検査部
４６製品搬送路
４７包装部
４８搬送路
４９吸収紙送り出しローラ、製品カッター
５０混合物供給位置、製品送り路
５１混合物供給部
５２消臭剤供給箇所
５３表面側吸収紙供給箇所
５４表面側吸収紙引き出しローラ
５５ポリエチレンフィルム供給箇所
５６ポリエチレンフィルム供給ローラ
５７ポリプロピレン不織布１２を被せる箇所
５８ホツトメルト接着剤の噴霧器
５９ポリプロピレン不織布１２供給ローラ[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an absorbent body and a thin or thick water-absorbent rug or packaging material such as a sheet, a mat or a sheet using the absorbent body. The present invention also relates to an absorbent body using dried vegetable waste as a core and a thin or thick water-absorbent rug or packaging material such as a sheet, mat or sheet using the absorbent body, and in particular, a particle size of 5 mm or less. The present invention relates to an absorbent body having a pulverized dried product of vegetable waste ground as a core and a thin or thick water-absorbent rug or packaging material such as a sheet, mat or sheet using the absorbent body. Furthermore, the present invention relates to an absorbent body made of dried vegetable waste and waste compounded material, and a thin or thick water-absorbent rug or packaging material such as a sheet, mat or sheet using the absorbent body, Absorbent body made of pulverized and dried vegetable waste pulverized to a particle size of 5 mm or less and waste compounded material pulverized material pulverized to a particle size of 5 mm or less, and a thin sheet, mat or sheet using the absorber Or it relates to a thick water-absorbent rug or packaging material. Furthermore, the present invention also relates to waste compounded materials such as plastic material-containing waste materials such as sanitary ware waste materials, and is pulverized into particles having a particle size of 5 mm or less to provide thin or thick water-absorbing materials such as sheets, mats or rugs. Absorbent having absorption function, water retention function or humidity control function, or two or more of these functions, and thin or thick water absorption such as sheets, mats or sheets using the absorbent, used for the core of sheets or packaging materials Relates to rugs or packaging materials.
[0002]
Further, the present invention uses a thin or thick absorbent body having a water absorption regulating function, a water retention regulating function and a humidity regulating function using vegetable waste as a core of the absorbent body, and a sheet, mat, or sheet using the absorbent body. Regarding thin or thick water-absorbent rugs or packaging materials, for example, absorbents suitable for growing plants, such as flower pots, and thin or thick water-absorbent sheets, mats, sheets, etc. It relates to rugs or packaging materials.
As a rug in which the absorbent material using the pulverized and dried vegetable waste of the present invention, the pulverized waste compounded material, and the water-absorbent resin is used, the rain in the event venue without a roof used in rainy weather is used. Water-absorbing mats for preventing floor wetting due to, water-absorbing mats for flooring vehicles such as cars, trains or airplanes on rainy days, rainy day hospitals, service areas, department stores, hotels, stores, office buildings or Water-absorbing mats for preventing wetness of floors in leisure facilities, water-absorbing mats for preventing wetness in refrigerators, water-absorbing mats for preventing wetness of floors in kitchens, and drip absorption of kitchen garbage or kitchen garbage Absorbent sheet, water supply equipment, hot water supply equipment, or a floor-absorbing water-absorbing mat equipped with sanitary ware such as toilets or toilets, water-absorbing mat for preventing floor wetting around the refrigerator, and gasoline De or oil-absorbing insoles mat for the kitchen, leisure mat or massage therapy for sheets, as well as such as the betting auxiliary mat. In addition to this, as a packaging sheet in which the absorbent body is used, a packaging material having a water retention or humidity conditioning function for vegetables, fruits and flowers, fresh fish, raw meat, prepared foods, a lunch box, etc. As well as packaging materials for seeds, strains, seedlings or bulbs. In addition to the above, cleaning sheets in which the absorber is used include machinery, windows, indoor and outdoor cleaning, condensation on the ceiling, walls, floors, windows, etc. of buildings, and There are water-absorbing mats or water-absorbing sheets used as wet wipes or rags.
[0003]
Further, the absorbent using the crushed and dried vegetable waste and the water-absorbent resin of the present invention is used as an absorbent for preventing water evaporation in a plant cultivation container during cultivation of horticultural plants, and as a waste oil due to the oil absorption of the absorber. It can be used as a disposal waste oil treatment material for treatment, and such an absorbent body of the present invention can be used as a water absorbing portion inside a rug and a water absorbing portion of a disposable absorbent mat or a water absorbing mat. Furthermore, the absorbent body of the present invention has a water-absorbing sheet that prevents the marine product from getting wet with the defrosted water during transportation of frozen marine products, or a water-absorbing sheet for preventing water evaporation covering the potted plant, under the potted plant. It can be used as a water-absorbent sheet, a seed bed for hydroponics, a water-absorbent sheet placed around the water tank, a sheet for preventing condensation, etc. It can be arranged and used as a water drop absorption mat that absorbs water drops falling from an umbrella or the like. Furthermore, the absorbent body as described above according to the present invention can be used as a hygroscopic member for disposable sanitary materials such as disposable diapers, urine pads, and sanitary napkins after being further sanitized. The absorbent body of the present invention can be used as a water absorbing material for excrement disposal materials for pets such as animal sheets and pet sheets, and in addition, as a mat for a head cover of a vehicle or for prevention of stuffiness in a helmet or hat Further, it can be used as a mat, for example, as a toilet paper sheet after defecation in a washlet toilet.
[0004]
[Prior art]
Conventionally, for example, floor wetness has been wiped using cloth cloths or disposable cloth cloths, or stick cloths with various absorbent bodies such as cloth cloths, waste cloths, sponges, etc. In places that get wet with water or the like, a water-absorbing mat is laid to prevent the floor from getting wet.
On the other hand, disposable sheets for humans and animals are provided with a surface-side water-absorbent paper layer portion in contact with the inside of the water-impermeable film, and in contact with the inside of the water-impermeable thin layer portion at the bottom of the sheet, A back-side water-absorbing paper layer portion is provided, and paper powder containing a highly water-absorbing resin is disposed between the upper and lower paper layer portions.
In addition, for example, a large amount of waste vegetables such as remaining vegetables from the fruit and vegetable market, leaf skin of lettuce and cabbage, and leaf parts of root vegetables are generated, and from hydroponic farming plants, for example, bean sprouts. A large amount of ineligible vegetables such as radish and radish are generated, and a large amount of waste such as potato skin and fruit skin is generated from lunch centers and sugar beet factories. A large amount of swarf and residue are generated from the vegetable processing process, a large amount of squeezed potatoes such as carrots, apples and oranges are generated from the juice factory. A large amount of vegetables are generated. These vegetable scraps are incinerated and disposed of in landfills, or are composted and used as compost.
[0005]
[Problems to be solved by the invention]
However, cloth cloths and bar cloths are used repeatedly, so that the used cloth can be reused by rinsing, squeezing away the adhering water, and removing the rinsing water. It is a problem that requires a lot of trouble such as replacement. Also, conventional disposable sheets use paper powder and highly water-absorbent resin, and in particular, pulverized pulp is used for paper powder. However, since pulp and pulp pulverized materials are difficult to obtain recently and are relatively expensive, their use is difficult because of their cost.
Therefore, disposable sheets reduce the amount of pulverized pulp and use a superabsorbent resin instead of the pulverized pulp. However, an absorbent body such as a disposable sheet using a superabsorbent resin with a reduced pulp pulverized material is formed relatively thin due to a small amount of pulp pulverized material used, resulting in poor elasticity. Therefore, it becomes a relatively stiff absorber, and reduction of pulp pulverized material is a problem for disposable diapers and the like.
On the other hand, when transporting marine products, the marine products are transported by placing them on the jars or paper, but the jars and paper get wet due to thawing of ice, etc., and the marine products being transported keep in contact with the wet jars and paper. It is a problem.
[0006]
In addition, vegetable scraps are generated in large quantities from fruit and vegetable markets, hydroponics farms, school lunch centers, sugar beet factories, juice factories, supermarkets, etc., all of which are treated as waste, which requires a lot of work and effort. It is costly and problematic.
The object of the present invention is to solve the conventional problems relating to the raw materials and elasticity of absorbent bodies used for sheets and mats, or the problems related to disposal of vegetable waste.
[0007]
[Means for Solving the Problems]
The inventor of the present invention can easily mold by mixing a vegetable waste pulverized dried product having a particle size of 5 mm or less with a relatively rich elasticity, good water absorption and water retention, and mixing with a water absorbent resin. Furthermore, the present inventors have found that it is possible to further increase the water absorption ability and is excellent in use for the core of the absorbent body, and have led to the present invention.
In addition, the present inventor is able to absorb various mats or sheets for humans or animals by using a crushed and dried vegetable scrap having a particle size of 5 mm or less, and a molded product obtained by blending a water-absorbing resin with a pulverized waste compounded material. By using as a body, it was discovered that an absorbent body having relatively high elasticity and high water absorption and water retention can be obtained without using pulp or the like, and the present invention has been achieved.
[0008]
The present invention provides an absorbent body having water absorbency and elasticity even without using paper pulp or reducing the amount of paper pulp used. Providing various mats or various sheets for human or animal use, providing a packaging material having elasticity and humidity control without using paper pulp, and further, water retention and humidity control The object is to provide a flowerpot or a nursery bed having
[0009]
That is, the present invention is provided between a surface-side water-absorbing paper layer portion that forms a surface, a back-side water-absorbing paper layer portion that forms a back surface, and the surface-side and back-side water-absorbing paper layer portions. Of granularity It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A water-absorbing material layer portion mainly containing a crushed and dried vegetable waste, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion and the back-side water-absorbing paper layer portion are combined. The present invention provides an absorbent body that is integrally formed, and the present invention includes a surface-side water-absorbent paper layer portion that forms a surface, a back-side water-absorbent paper layer portion that forms a back surface, Provided between the surface side and back side water-absorbent paper layer portions, and having a particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A crushed and dried vegetable waste and a water absorbent material layer formed by containing a smaller amount of water absorbent resin than the crushed and dried vegetable waste, and the surface side water absorbent paper layer and the water absorbent material layer. And the back-side water-absorbing paper layer portion are in the absorbent body characterized in that they are combined and formed integrally, and the present invention further includes a front-side water-absorbing paper layer portion that forms the surface, Provided between the back-side water-absorbent paper layer portion and the surface-side and back-side water-absorbent paper layer portions with an average particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized dry matter, waste mixed material pulverized material having a particle size of 5 mm or less smaller than the vegetable waste pulverized dry matter, and water absorbent material formed by containing a smaller amount of water absorbent resin than the waste mixed material pulverized product And the surface side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back side water-absorbing paper layer portion are combined and integrally formed. .
[0010]
Further, the present invention is provided between a surface-side water-absorbing paper layer portion that forms a surface, a back-side water-absorbing paper layer portion that forms a back surface, and the front-side and back-side water-absorbing paper layer portions, and is 5 mm or less. Having a particle size of It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A water-absorbing material layer part mainly containing a vegetable waste pulverized dried product and having a surfactant attached to at least a part thereof, the surface-side water-absorbing paper layer part, the water-absorbing material layer part And the back-side water-absorbing paper layer portion is in the absorbent body characterized by being combined and integrally formed, and the present invention further comprises a surface-side water-absorbing paper layer portion that forms the surface, and a back surface. Provided between the back-side water-absorbing paper layer portion to be formed and the surface-side and back-side water-absorbing paper layer portions, and having a particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. The vegetable waste pulverized dried product and the vegetable waste pulverized dried product contain a smaller amount of water-absorbent resin, and further include a water absorbent material layer portion formed by attaching a surfactant to at least a part thereof, and The surface-side water-absorbent paper layer portion, the water-absorbent material layer portion, and the back-side water-absorbent paper layer portion are in an absorbent body characterized by being combined and integrally formed. Are provided between the surface-side water-absorbing paper layer portion forming the back surface, the back-side water-absorbing paper layer portion forming the back surface, and the average particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A crushed and dried vegetable waste, a pulverized waste compounded material having a particle size of 5 mm or less smaller than the crushed and dried vegetable waste, and a smaller amount of water-absorbent resin than the pulverized waste compounded material, and at least one surfactant. A water-absorbing material layer portion formed by adhering to the portion, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion and the back-side water-absorbing paper layer portion are combined and integrally formed It exists in the absorber characterized by being made.
[0011]
And this invention, the water-permeable thin-layer part which forms the surface, The water-impermeable thin-layer part which forms a back surface, The absorber provided between the water-permeable thin-layer part and the water-impermeable thin-layer part, The sheet is formed by placing the surface thereof in contact with the back surface of the water-permeable thin layer portion and the back surface thereof in contact with the surface of the water-impermeable thin layer portion. The absorbent body is provided between a surface-side water-absorbing paper layer portion that forms a surface, a back-side water-absorbing paper layer portion that forms a back surface, and an average of 5 mm or less. Granular It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized and dried, or the average particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A small amount of water-absorbent resin than the crushed and dried vegetable waste and the crushed and dried vegetable waste, or an average particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. It contains a crushed and dried vegetable waste, a pulverized waste blended material with a particle size of 5 mm or less smaller than the crushed and dried vegetable scrap, and a smaller amount of water absorbent resin than the pulverized waste blended material, and the surfactant is not attached. A water-absorbing material layer portion that is formed or formed by adhering at least part of the surfactant, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back-side water-absorbing material layer. The paper layer portion is in a sheet characterized by being combined and integrally formed, and the present invention includes a water-permeable thin layer portion that forms a surface, a water-permeable thin layer portion that forms a back surface, An absorbent body provided between the upper and lower permeable thin layer portions, and the absorbent body is formed by arranging both outer surfaces thereof in contact with the inner surfaces of the both permeable thin layer portions. In the sheet, the absorber is a surface forming surface. A water absorbing paper layer portion, and the back-side water-absorbent paper layer portion forming the back, provided between the front side and rear side absorbent paper layer portion, the following average particle size of 5mm It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized and dried, or the average particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A small amount of water-absorbent resin than the crushed and dried vegetable waste and the crushed and dried vegetable waste, or an average particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. It contains a crushed and dried vegetable waste, a pulverized waste blended material with a particle size of 5 mm or less smaller than the crushed and dried vegetable scrap, and a smaller amount of water absorbent resin than the pulverized waste blended material, and the surfactant is not attached. A water-absorbing material layer portion that is formed or formed by adhering at least part of the surfactant, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back-side water-absorbing material layer. The sheet layer portion is in a sheet characterized by being combined and integrally formed.
[0012]
In addition, the present invention also provides a water-permeable thin layer portion that forms a surface, a water-impermeable thin layer portion that forms a back surface, and an absorption provided between the water-permeable thin layer portion and the water-impermeable thin layer portion. A packaging material formed by placing the back surface of the absorbent body in contact with the back surface of the water-permeable thin layer portion and the back surface thereof in contact with the surface of the water-impermeable thin layer portion. The absorbent body is provided between a surface-side water-absorbing paper layer portion that forms a surface, a back-side water-absorbing paper layer portion that forms a back surface, and the front-side and back-side water-absorbing paper layer portions. Of the following average grain size It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized and dried, or the average particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A small amount of water-absorbent resin from a crushed and dried vegetable waste and a crushed and dried product of vegetable waste having an average particle size of 5 mm or less, and a small amount of a waste compounded material having a particle size of 5 mm or less from a crushed and dried vegetable waste. And a waste water-absorbing material layer that is formed without adhering a surfactant or at least partially adhering to a surfactant. The surface-side water-absorbent paper layer portion, the water-absorbent material layer portion, and the back-side water-absorbent paper layer portion are combined and integrally formed, and the packaging material is characterized in that Furthermore, the present invention comprises a water-permeable thin layer portion that forms a surface, a water-permeable thin layer portion that forms a back surface, and an absorber provided between the upper and lower water-permeable thin layer portions, The both outer surfaces of the both permeable thin layer portions are respectively In the packaging material formed by being disposed in contact with the inner surface, the absorber includes a surface-side water-absorbent paper layer portion that forms a surface, a back-side water-absorbent paper layer portion that forms a back surface, and the surface side And between the back side water-absorbent paper layer portion, and having an average particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A crushed and dried vegetable scrap, or a crushed and dried vegetable scrap having an average particle size of 5 mm or less and a smaller amount of water absorbent resin than the crushed and dried vegetable scrap, or an average particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. It contains a crushed and dried vegetable waste, a pulverized waste blended material with a particle size of 5 mm or less smaller than the crushed and dried vegetable scrap, and a smaller amount of water absorbent resin than the pulverized waste blended material, and the surfactant is not attached. A water-absorbing material layer portion that is formed or formed by adhering at least part of the surfactant, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back-side water-absorbing material layer. The paper layer portion is in a packaging material characterized in that the paper layer portions are combined and integrally formed.
[0013]
The present invention also has a particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. The vegetable waste ground dry product mainly containing the vegetable waste ground dry matter particles is placed on the back side absorbent paper, and the surface side absorbent paper is placed on the placed vegetable waste ground dry matter, In the manufacturing method of the absorbent body characterized in that the back side absorbent paper, the vegetable waste pulverized dried product, and the front side absorbent paper, which are stacked, are pressed and formed integrally, and the present invention further includes 5 mm or less. Granular It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A water-absorbent resin is mixed with a crushed and dried vegetable waste mainly containing vegetable crushed and dried product particles to form a water-absorbing mixture, and the formed water-absorbing mixture is placed on the back side absorbent paper. And placing the surface-side absorbent paper on the placed water-absorbing mixture and pressurizing the stacked back-side absorbent paper, water-absorbing mixture and surface-side absorbent paper to form them integrally. Further, the present invention provides a method for producing an absorbent body having a particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A mixture of a pulverized waste product and a water-absorbing resin having a particle size of 5 mm or less, which is smaller than the pulverized and dried product of vegetable crushed, and a vegetable pulverized and dried product mainly containing vegetable crushed and dried product particles. A mixture is formed, the formed water-absorbing mixture is placed on the back-side absorbent paper, and the surface-side absorbent paper is placed on the placed water-absorbing mixture. In the method for producing an absorbent body, the back-side absorbent paper, the water-absorbent mixture, and the front-side absorbent paper are pressed and formed integrally.
[0014]
And this invention has a particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. The vegetable waste pulverized dry matter mainly containing the vegetable waste pulverized dry matter particles is placed on the back side absorbent paper, and the surfactant solution is adhered to the placed vegetable waste pulverized dry matter, and this surfactant The surface side absorbent paper is placed on the vegetable waste pulverized and dried product to which the agent solution is adhered, and the stacked back side absorbent paper, vegetable waste pulverized dry matter and surface side absorbent paper are pressurized and integrated. In the manufacturing method of the absorbent body characterized by forming, and the present invention has a particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A water-absorbent resin is mixed with a crushed and dried vegetable waste mainly containing vegetable crushed and dried product particles to form a water-absorbing mixture, and the formed water-absorbing mixture is placed on the back side absorbent paper. Then, a surfactant solution is attached to the placed vegetable waste pulverized dry matter, and the surface side absorbent paper is placed on the vegetable waste crushed dry matter to which the surfactant solution is attached. In addition, the present invention provides a method for producing an absorbent body, wherein the back side absorbent paper, the water-absorbing mixture and the front side absorbent paper are pressurized and formed integrally, and the present invention further comprises a particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A mixture of a pulverized waste product and a water-absorbing resin having a particle size of 5 mm or less, which is smaller than the pulverized and dried product of vegetable crushed, and a vegetable pulverized and dried product mainly containing vegetable crushed and dried product particles. A mixture is formed, and the formed water-absorbing mixture is placed on the back-side absorbent paper, and the surfactant solution is attached to the placed water-absorbing mixture, and the surfactant solution is attached. An absorbent body characterized in that a surface-side absorbent paper is placed on the water-absorbent mixture, and the back-side absorbent paper, the water-absorbent mixture, and the surface-side absorbent paper that are stacked are pressed and integrally formed. It is in the manufacturing method.
[0015]
The present invention also has a particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized dry matter mainly containing vegetable crushed dry matter particles, It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these, having a particle size of 5 mm or less. The vegetable waste pulverized dried product and the water absorbent mixture of the water absorbent resin in an amount smaller than the vegetable crushed ground dried product, or the particle size of 5 mm or less, It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A crushed and dried vegetable waste, a pulverized waste compounded material less than the crushed and dried vegetable scrap, and a water-absorbing mixture of a smaller amount of water absorbent resin than the pulverized waste compounded material are placed on the back side absorbent paper. The surface-side absorbent paper is placed on the water-absorbent mixture with or without attaching the surfactant solution to the placed water-absorbent mixture, Pressurize the water-absorbing mixture and the surface-side absorbent paper, place the nonwoven fabric on the surface-side absorbent paper of the absorbent body manufactured by integrally forming, and place the plastic film on the back-side absorbent paper, The present invention provides a sheet manufacturing method characterized by crimping at least a part of the periphery of the arranged nonwoven fabric and plastic film, and the present invention further has a particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste ground dry matter mainly containing vegetable waste ground dry matter particles, the particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized dry matter and a water-absorbent mixture of water absorbent resin in an amount smaller than the vegetable waste pulverized dry matter It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized dried product, having a particle size of 5 mm or less, a smaller amount of waste blended material pulverized product than vegetable crushed pulverized dried product, and a water absorbent mixture of a smaller amount of water absorbent resin than the aforementioned waste compounded material pulverized product, Place on the absorbent paper and place the surface-side absorbent paper on the water absorbent mixture with or without attaching the surfactant solution to the placed water absorbent mixture. A non-woven fabric is disposed on the surface side absorbent paper of the absorbent body produced by pressurizing and integrally forming the back side absorbent paper, the water-absorbent mixture, and the surface side absorbent paper. A method for producing a sheet is characterized in that a non-woven fabric is disposed on a surface of the non-woven fabric and at least part of the periphery of the non-woven fabric disposed on both sides is pressure-bonded.
[0016]
The present invention also has a particle size of 5 mm or less. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste ground dry matter mainly containing vegetable waste ground dry matter particles, the particle size of 5 mm or less It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. The vegetable waste pulverized dried product and a water absorbent mixture of the water absorbent resin in an amount smaller than the vegetable waste pulverized dried product, or the vegetable waste pulverized dried product, having a particle size of 5 mm or less, It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. A pulverized waste compounded material and a water-absorbent mixture of a smaller amount of water-absorbing resin than the pulverized waste compounded material were placed on the back-side absorbent paper. The surface-side absorbent paper is placed on the water-absorbent mixture with or without adhering the surfactant solution to the water-absorbent mixture, and the back-side absorbent paper, the water-absorbent mixture, and the surface-side absorbent are stacked. A non-woven fabric is placed on the surface-side absorbent paper of the absorbent body manufactured by pressurizing and integrally forming the paper, a plastic film is placed on the back-side absorbent paper, and this non-woven fabric and the plastic film are placed. And the present invention is a method for producing a packaging material, characterized in that the formed absorbent is pressure-molded. It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these. Vegetable waste pulverized dry matter mainly containing vegetable crushed dry matter particles, It contains leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or two or more of these, having a particle size of 5 mm or less. Vegetable crushed dried product and water-absorbent mixture of water-absorbent resin in an amount smaller than the vegetable crushed dried product, or the vegetable crushed dried product, having a particle size of 5 mm or less, and less waste than the vegetable crushed dried product. Place the water-absorbing mixture of the water-absorbing resin in a smaller amount than the pulverized compounded material and the pulverized waste compounded material on the back side absorbent paper, and attach the surfactant solution to the placed water-absorbing mixture. The surface-side absorbent paper is placed on the water-absorbing mixture without being allowed to adhere, and the stacked back-side absorbent paper, water-absorbing mixture and surface-side absorbent paper are pressed to form a single body. The non-woven fabric is arranged on the surface-side absorbent paper of the absorbent body manufactured by the above, the non-woven fabric is arranged on the back-side absorbent paper, and the absorbent body in which the non-woven fabric is arranged on both sides is pressed. It is in the manufacturing method of the packaging material characterized.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
In the present invention, the absorber is different from conventional absorbers and can be used as an absorber for various uses, and can be used directly as a sheet and also as a sheet absorber. It can be used as a material and can also be used as an absorbent material for packaging materials. When the absorbent body of the present invention is used as an absorbent of a sheet or as an absorbent of a packaging material, the absorbent body of the present invention is manufactured to a size used for a sheet or a packaging material, and the manufactured A water-permeable nonwoven fabric is disposed on the surface of the absorbent body, a water-impermeable waterproof sheet or a waterproof film is disposed under the absorbent body, and the water-permeable nonwoven sheet and water-impermeable waterproof sheet are disposed on the absorbent body. For example, as an animal sheet, urine or the like can be prevented from leaking during excretion. Further, as other sheets, for example, various sheets for rest and sleeping can be used.
[0018]
The sheet of the present invention is formed from, for example, the surface side or the back side or the surface side and the back side by arranging a water-permeable thin layer member on the surface side or the back side or the surface side and the back side to form a sheet. It can be a mat or the like that can absorb water, and as a packaging material, a packaging that can absorb or adjust moisture from one surface of the front side or the back side or from both sides of the front side and the back side. Can be used as material. In this case, the absorbent body is provided with a surface-side water-absorbing paper layer portion that forms the surface on the surface side, and a back-side water-absorbing paper layer portion that forms the back surface at the bottom. In the absorbent body of the present invention, the water absorbent paper layer provided on the front side and the back side is preferably formed of thin paper or sanitary paper having good water absorption and high water absorption rate. When using the absorbent body of the present invention as a sheet or a packaging material, the water-permeable thin layer portion that is disposed on the upper water-absorbent paper layer portion of the absorbent body and forms the surface is formed of, for example, a nonwoven fabric. The water-impermeable thin layer portion that is disposed under the lower water-absorbent paper layer portion of the absorbent body and forms the bottom surface can be formed of, for example, a plastic film. In the present invention, the sheet and the packaging material can be formed of a water-permeable thin layer on both the front side and the back side so that there is no front and back depending on the application. In the present invention, the sheets and the packaging material can be provided with front and back surfaces according to their use, the surface side can be formed with a water-permeable thin layer portion, and the back side can be formed with a water-impermeable thin layer portion. In the present invention, the water-permeable thin layer portion can be formed of a non-woven fabric produced by a dry method or a wet method having a water-permeable function according to the target water permeability, and the water-impermeable thin layer portion is made of polyethylene. It can be formed of an impermeable plastic film made of a plastic material such as resin or polypropylene resin.
[0019]
In the absorbent body of the present invention, a water absorbent material layer portion is provided between the water absorbent paper layer portion on the front side and the water absorbent paper layer portion on the back side. In the present invention, the water-absorbing material layer portion can be formed of a vegetable waste pulverized dried product mainly containing vegetable waste particles that have been pulverized and dried to a particle size of 5 mm or less. It can be formed with a water-absorbing mixture containing a smaller amount of water-absorbent resin than the crushed and dried vegetable waste, and further, the pulverized and dried vegetable crushed dry material, the amount of waste compounding material less than the crushed and dried vegetable waste and the waste It can be formed of a water-absorbing mixture containing a smaller amount of water-absorbing resin than the compounded material. In the present invention, the crushed and dried vegetable waste can be produced by pulverizing the vegetable waste to a particle size of 5 mm or less and drying, or by producing the vegetable waste by grinding to a particle size of 5 mm or less after drying. it can. Since the vegetable waste ground dried product mainly containing the vegetable waste ground dried product particles having a particle size of 5 mm or less has a water absorbing function and a water retaining function, it can be used for the water absorbent material layer portion of the absorber. In this case, the crushed and dried vegetable scraps can be used alone or mixed with the water absorbent resin, or mixed with the waste compounding material and the water absorbent resin to form the water absorbent material layer portion of the absorber. In this invention, the water absorption function and water retention function of an absorber can be increased by mixing a water absorbent resin or a waste compounding material and a water absorbent resin in the vegetable crushed and dried product in this way.
In the present invention, the absorbent body, like the conventional absorbent body, is formed on the floor portion by forming an embossed ridge by pressure molding such as embossing to form a relatively flexible sheet. It is preferable because it can be in close contact and easily absorb water droplets on the floor.
[0020]
In the present invention, this pulverized and dried vegetable waste pulverized dried product is excellent in moldability, as it is, alone or mixed with a water absorbent resin, or mixed with a waste compounding material and a water absorbent resin to absorb water. The material layer can be pressed into a sheet. For example, even if a plastic waste pulverized material separated by pulverizing waste paper diaper is blended in a reasonable amount, it can be easily pressure-molded simply by blending a water-absorbing resin without blending pulp or paste. To form a sheet. In the present invention, vegetable waste is pulverized and dried to a particle size of 5 mm or less, or dried, or the vegetable waste is pulverized to a particle size of 5 mm or less after drying, and the crushed and dried vegetable waste is 10% by weight or less. It can be formed into a stable sheet shape by adding a functional resin or a paste. However, by slightly adding moisture, for example, by incorporating the water content in an amount of 10% by weight or less, preferably 4 to 2% by weight, the water-absorbent resin becomes compatible with the dried vegetable scraps and the plastics. This is preferable because it becomes easy and molding becomes easier. The finer grain sizes of the crushed and dried vegetable waste and the waste compounding material are preferable. For example, a particle size of 5 mm or less, more preferably 3 mm or less is used for the feel of the water-absorbing material layer and pressure molding. Is preferable.
[0021]
In the present invention, the term vegetable waste means leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or those containing two or more thereof. In the present invention, the vegetable scrap is, for example, an unqualified product from a hydroponic farming plant, for example, an unqualified product such as bean sprouts, squid radish, or the like, or a variety of vegetable remnants from the fruit and vegetable market, such as Chinese cabbage, lettuce, cabbage, spinach. The leafy skin of leafy vegetables, the parts of rooted vegetables such as radish, carrots, gyudon, and persimmons, the wastes of various vegetables such as potato skins and fruit skins from lunch centers and sugar beet factories, and the variety from producers Waste vegetables that are non-conforming items for vegetables, waste vegetables for cost adjustment for various vegetables in the market, vegetable juice such as carrots from juice factories, fruit juice such as apples and oranges, supermarkets, etc. There are scraps of various vegetables generated in the processing process of cut vegetables, remaining residue, etc., or scraps containing these two or more kinds of vegetable scraps.
[0022]
These vegetable scraps are formed into a pulverized and dried product having a particle size of 5 mm or less, preferably 3 mm or less, more preferably 1 to 3 mm. For this, the collected vegetable waste is crushed or dried. In order not to make vegetable scrap into finer particles, it is preferable to grind in a state of retaining moisture. When pulverized while retaining moisture, a part of the moisture contained in the vegetable scrap is separated and discharged. This waste water is discharged after being treated as waste water. In the present invention, the vegetable waste is dried, for example, by heating at a temperature of 50 ° C. or higher for 30 minutes or longer until the moisture content becomes 10% by weight or lower. As for the drying conditions, it is preferable to experimentally determine the drying temperature and the drying time so that the moisture content of the crushed and dried vegetable waste is 10% by weight or less.
[0023]
In the present invention, the absorber should have a water content of 10% by weight or less in order to prevent the growth of bacteria and the like, and to give a dry feel when the absorber is touched. Although preferable, the water content is more preferably 5% by weight or less. Drying of the absorbent body necessary to obtain such a moisture content can be performed by heating the absorbent body in an embossing process.
[0024]
In the present invention, the waste compounding material blended in the crushed and dried vegetable waste is toilet paper waste, tissue paper waste, decorative paper waste, paper napkin waste, dust paper waste, paper cotton waste, paper towel waste, toilet seat sheet waste, Waste material for animal waste disposal, bed sheet waste, mask waste, eye mask waste, seat head cover waste, pillow cover waste, paper diaper waste, sanitary napkin waste, animal paper diaper waste, sanitary napkin waste, animal use Sanitary napkin waste, milk pad waste, sweat pad waste, incontinence pad waste, animal sheets waste, fresh paper transport laminate paper waste, vegetable transport laminate paper waste, laminate paper printing waste, laminate paper scraps, buff powder , Cardboard waste, newspaper waste, magazine waste, wood waste, wood waste, non-woven fabric waste, plastic film waste, plastic sheet Separation products rich in plastic materials separated from pulverized materials, non-woven fabric waste materials made of plastic materials or waste materials of paper diapers, mechanical pulp waste materials, chemical pulp waste materials, semi-chemical pulp waste materials, cotton-like pulp waste materials, wood pulp waste materials, waste paper pulp waste materials, synthesis Resin fiber waste, wood waste, wood waste, wood powder, house dismantling material, new construction waste, paper powder, titanium paper waste, punch waste, sanitary waste waste product fluff pulp, water absorbent fiber waste, water absorbent resin waste , Paper powder containing water-absorbing resin, paper powder generated during bookbinding, paper powder generated during non-woven fabric manufacture, paper powder generated during papermaking process or paper powder generated during sanitary material manufacture, or a mixture containing two or more of these To do.
[0025]
In the present invention, the waste compounding material can be a pulverized plastic material and a pulverized plastic waste material. In the present invention, the plastic waste material is pulverized as a synthetic resin fiber waste material having a thickness of 2 mm or less, a string-like synthetic resin waste material, and a film-like synthetic resin waste material. , Pulverized synthetic resin waste, pulverized synthetic rubber waste, pulverized synthetic rubber waste, crushed synthetic rubber waste or crushed laminated paper waste. There is a mixture of pulverized plastic waste. In addition to these pulverized plastic wastes, other pulverized plastic wastes such as diaper wastes, milk pad wastes, urine pad wastes, sanitary napkin wastes, etc. In addition to these, there are two or more mixtures of plastic material-containing waste material pulverized materials, and classification treatment is performed on plastic material-containing waste material pulverized materials or two or more waste material pulverized mixtures of plastic material-containing waste material pulverized materials. There is a pulverized product of plastic material-containing waste materials containing classified plastic products that are rich in plastic materials.
[0026]
In the present invention, the plastic waste material pulverized product is rich in the plastic material of the plastic waste material pulverized product or a mixture thereof, the plastic material-containing waste material pulverized product or a mixture thereof, or the plastic material-containing waste material pulverized product and a mixture of two or more thereof. It means the waste material crushed material containing plastic material. The plastic waste material pulverized product also includes a pulverized product of plastic material. When cutting waste or dust collection loss generated during the production of sanitary materials is made into a plastic material-containing waste pulverized product, it contains a small amount of water-absorbing resin or highly water-absorbing resin and pulp material. In forming sheets and packaging materials that use the body, water absorbability and water retention and moldability during pressure molding are improved, which is preferable. In the present invention, when the pulp material mixed in the plastic waste pulverized product contains a bactericidal agent and a deodorizing agent, the formed absorbent body, the sheets using the absorbent body, and the packaging material have a bactericidal action and a disinfectant. This is preferable because it has an odor effect.
[0027]
In the present invention, in the case of an absorbent body having a water-absorbing material layer portion in which a pulverized dried product of vegetable scrap having a particle size of 5 mm or less is mixed with a pulverized plastic waste material pulverized to a particle size of 5 mm or less smaller than the pulverized waste material. By mixing the plastic waste material pulverized product, water absorption and water retention can be increased, and elasticity can be increased. Further, in the present invention, when a surfactant is attached to the crushed vegetable waste pulverized product and the plastic waste material pulverized mixture, the vegetable crushed dry product and plastic waste material crushed mixture can increase the water absorption rate and increase the water retention. This is preferable. When a surfactant is attached to plastic particles pulverized to a particle size of 5 mm or less, the pulverized plastic pulverized product and / or the plastic waste material pulverized product are difficult to get wet with water, that is, even if they have water repellency. It becomes easy to get wet and increases water absorption and water retention. In the present invention, the mixing ratio of the pulverized dry product of vegetable waste having a particle size of 5 mm or less and the plastic waste material pulverized product and the water-absorbent resin mixture of the plastic waste material pulverized to a particle size of 5 mm or less is 50% by weight or less. . However, the larger the mixing ratio of the crushed vegetable waste product, the better the water absorption and water retention of the absorber. Therefore, the mixing ratio of the crushed vegetable waste product is, for example, 50% by weight or more, preferably 70%. % Or more, more preferably 80% by weight or more.
[0028]
In the present invention, a mixture of a crushed vegetable waste having a particle size of 5 mm or less, a pulverized plastic waste pulverized to a particle size of 5 mm or less, and a smaller amount of water absorbent resin than the pulverized plastic waste. By adhering a surfactant to at least a part of the water-absorbing material layer portion formed by, for example, the surface side, the water absorption speed and water permeation speed of the water-absorbing material layer portion can be increased and are not absorbed by the absorber. Thus, the remaining time of water remaining on the surface of the absorber can be remarkably shortened. In the present invention, the amount of the surfactant to be adhered to the absorber is 0.05 g or less, preferably 0.009 g or less per 1 g of the absorber. If the amount of the surfactant adhering to the absorbent body is more than 0.05 g, the cost increases and the speed of passing through the water-absorbing material layer portion increases, so that the water is sufficient for the water-absorbing material layer portion. It passes through the water-absorbing material layer portion without being absorbed and accumulates on the water-impermeable layer portion, and then is absorbed by the water-absorbing material layer portion from above the water-impermeable layer portion. In order to reduce the passing speed of water through the water-absorbing material layer part and move the water toward the water-impermeable layer part while being absorbed by the water-absorbing material layer part, a surfactant to the absorber The amount of adhering is preferably 0.009 g or less.
Accordingly, in the present invention, when a sheet to which a surfactant is attached is used as a sheet or a packaging material, water does not remain on the water-permeable thin layer portion disposed on the surface side of the absorbent body, for example, a nonwoven fabric. This is preferable because the nonwoven fabric can be given a relatively dry feel.
[0029]
In the present invention, in order to increase the water absorption speed of the absorbent body, the front surface side and the back surface side of the absorbent body are formed by the water absorbent paper layer portion. This water-absorbing paper layer portion is for increasing the water absorption speed, and absorbent paper, thin paper, sanitary paper, or paper combining two or more of these is used. This paper includes wet nonwoven fabrics or dry nonwoven fabrics. Examples of such paper include toilet paper, sanitary paper or tissue paper such as paper cotton, rayon paper, one or more thin papers such as wet nonwoven fabric or dry nonwoven fabric or composite paper, or one or more absorbent papers, or a combination thereof. be able to. For example, the water-absorbing paper layer portion can be formed of one sheet or a plurality of thin sheets. When the water-absorbent paper layer portion is formed from an absorbent paper formed by a plurality of thin papers, the thin paper sheets are formed by combining or pasting thin papers one by one or by combining them together in advance. It can be formed from an absorbent paper made of thin paper. When the number of thin paper sheets is increased, the water absorption speed of the absorber can be increased. That is, the larger the basis weight of the absorbent paper, the better the water absorption, which is preferable. However, since the use of an absorbent paper having a large basis weight is expensive, it is preferable to select the absorbent paper within a reasonable cost range and an appropriate water absorption range. The basis weight can be 18 g / square meter to 10 g / square meter. In this case, the thin paper can be colored with a coloring material such as a color former that develops color when wet with water or a color former that reacts with water and develops color. As the absorbent paper, composite paper having absorbency obtained by laminating thin paper and chemical fiber paper can be used.
[0030]
In the case of the absorbent body using the plastic waste material according to the present invention, in order to increase the water retention capacity of the absorbent body and increase the elasticity, the absorbent body between the water absorbent paper layer portions on the front side and the back side of the absorbent body. Vegetable waste pulverized and dried product having a particle size of 5 mm or less, plastic waste material pulverized to a particle size of 5 mm or less smaller than the vegetable waste pulverized dry product, and a water absorbent material containing a smaller amount of water absorbent resin than the plastic waste material pulverized product A layer portion is provided. The surface-side and back-side water-absorbing paper layer portions and water-absorbing material layer portions can be integrally formed or laminated together to form an absorbent body, and sometimes embossed wrinkles are formed on the surface. Can be formed on the absorber.
[0031]
When the absorbent body has a function of removing odors or the like, the water-absorbing material layer portion of any composition has a poorly crushed titanium paper or crushed titanium paper waste material, or pulverized defective alumina paper. Or pulverized waste of alumina paper, pulverized defective potassium titanate paper or pulverized potassium titanate paper, pulverized defective alumina / silica paper or pulverized alumina / silica paper waste or pulverized defective carbon fiber paper or carbon fiber paper A pulverized product of defective inorganic fiber paper having an odor removing function such as a pulverized waste material, a pulverized product of inorganic fiber paper waste material, or a mixture of two or more of the pulverized products can be blended.
[0032]
Furthermore, in the present invention, an inorganic adsorbent such as activated carbon, talc, zeolite powder or bentonite can be blended in the water-absorbing material layer portion in order to give the absorber a function of removing odor and the like. In addition to these adsorbents, flavones based on flavones and isoflavones based on isoflavones are used as deodorizers or deodorants for blending in absorbers and providing odor removal functions. Flavonols based on flavonols, flavanones based on flavanones, flavanols based on flavanols, flavan-3,4-diols, flavan-3-ols, anthocyanidins based on anthocyanidins, auron based Flavonoids including chalcones based on aurones, chalcones based on chalcones, dihydrochalcones based on dihydrochalcones, and the like, and besides these, Pancil BA-210-1 manufactured by Release Scientific Industries Co., Ltd. (Product name) or Tokai Kosan Co., Ltd.'s Smernak (product name), etc. A.
[0033]
In the present invention, each of the water absorbent paper layer portions on the front side and the back side can be formed of at least one thin paper sheet excellent in water absorbency, but in order to increase water absorption, a plurality of thin paper sheets are used. They can be formed one by one or bonded together, and can be formed from a plurality of thin paper sheets that are combined together in advance. The thin paper can be colored with a color former that develops color in response to water.
[0034]
In the case of a sheet or a packaging material using this absorbent body, the member forming the surface may be a non-woven fabric produced by a dry method or a wet method or other thin permeable member depending on the purpose. it can. The water-permeable thin layer member can be a non-woven fabric produced by a wet method or a dry method having a water permeability function according to the degree of water permeation. In the case of a water-permeable thin layer, surface treatment is performed so that the surface facing outward, that is, the outer surface or the surface is easily wetted with water, and the surface facing inward, that is, the inner surface or the back surface, is made difficult to wet with water. The water once absorbed inside can be prevented from exuding outside. The member that forms the back surface is provided in contact with the back surface of the back-side water-absorbent paper layer portion of the absorber, and can be formed of a water-impermeable thin layer member such as a water-impermeable plastic film. Such a water-impermeable thin layer member can be formed of a water-impermeable plastic film made of a plastic material such as polyethylene resin or polypropylene resin. However, in the present invention, in the case of a container or packaging material such as a flower pot, the thin layer portion as the back surface is formed of a water-permeable thin layer member depending on what is put in the container or the material to be packaged. Can do. In this way, when the back surface is formed of a water-permeable thin layer part, a plastic film having a hole with a size corresponding to the degree of water permeability or a wet method or a dry type having a water permeability function according to the degree of water permeability It can be made into the nonwoven fabric manufactured by the method.
[0035]
Thus, when the absorber surface side and the bottom part are configured to be water permeable, for example, by placing on the floor surface wetted by rain or the like, water that wets the floor surface can be automatically sucked, and the floor surface This eliminates the need to wipe off the wetness of the floor and saves the labor of wiping the floor. Thus, the sheet having a water-permeable thin layer portion can be used as a vehicle rug, an umbrella rug, a toilet rug, a rug around a toilet, and the like to prevent wetting of each floor. . In addition, when the water-permeable thin layer portion is formed of a material having a plurality of capillary tubular fine holes, for example, when used as a rug and packaging material such as underlay or insole used to wrap fruits and vegetables or fresh fish Furthermore, the moisture of the packaging material such as fruits and vegetables and fresh fish to be packaged moves through the holes of the desired dimensions of the water-permeable thin layer portion, and the amount of moisture of the packaging material can be adjusted appropriately. Moreover, the function which adjusts the quantity of the water | moisture content provided to an absorber moderately is formed in a flower pot, and is preferable for growing plants, such as a plant.
[0036]
As the water-absorbing resin used in the present invention, in addition to the highly water-absorbing resin as a product, pulverized waste material of diapers and pulverized milk pad waste that are pulverized to 5 mm or less, preferably 3 mm or less, containing the highly water-absorbing resin. , Urine pad waste material, sanitary napkin waste material, absorbent fiber or laminated paper waste material or a mixture of two or more of the above-mentioned ground materials, and the above-mentioned waste material ground material and waste material Separation products rich in superabsorbent resin separated from the mixture of pulverized products by classification treatment can be used.
Accordingly, in the present invention, the water absorbent resin includes, for example, paper diaper waste including defective paper diapers, milk pad waste including defective milk pads, pulverized urine pad waste including defective urine pads, or defective sanitary napkins. The sanitary napkin waste material pulverized product or a mixture of two or more of the waste material pulverized product is classified as a separated product rich in a highly water-absorbent resin, or a so-called regenerated water-absorbent resin There is a mixture of the above. Highly water-absorbent fiber waste material including defective superabsorbent fibers Milled waste or dust collection loss generated during the production of these sanitary materials is crushed and used as a water-absorbent resin. Since the content of the water-soluble resin is small, it is necessary to add and mix a water-absorbing resin or a highly water-absorbing resin when using the pulverized material of the cutting waste or dust collection loss.
In the present invention, the water-absorbent resin is generally present together with the pulp material in the sanitary material. It is preferable to use a water-absorbent resin in the waste material of sanitary materials containing pulp waste material having bactericidal and deodorizing properties, since a substance that exerts a bactericidal action and a deodorizing action exists, so that sterilization and deodorization are performed.
[0037]
In the present invention, in order to increase the texture and elasticity of the absorbent body and the sheets and packaging materials using the absorbent body, the water-absorbent material layer portion has a pulverized and dried vegetable crushed material and a crushed vegetable waste having a particle size of 5 mm or less. It is possible to increase the amount of the water-absorbing resin in a smaller amount than the dried product and the pulverized dried product of vegetable waste, and the amount of the pulverized plastic waste material pulverized to a particle size of 5 mm or less in a smaller amount than the crushed and dried vegetable waste product. it can. The amount of the water-absorbing resin in the water-absorbing material layer is preferably 30% by weight or less. Since the price of the water-absorbing resin is relatively high, the content of the water-absorbing resin in the water-absorbing material layer portion is more preferably, for example, 10% by weight or less, and further preferably 5% by weight or less. In the present invention, even if the content of the water-absorbing resin in the water-absorbing material layer portion is, for example, 5% by weight or less, the crushed and dried vegetable scrap having a particle size of 5 mm or less has water retention and water absorption, and further 5 mm or less. Even in the plastic waste pulverized product pulverized to a particle size of 1, the water retention and water absorption can be supplemented because the water-absorbent resin content is reduced.
[0038]
In the present invention, a surfactant can be attached or added to the absorber or the water-absorbing material layer in order to increase the water passage rate and absorption rate of the absorber. Thus, in this invention, the water | moisture content collected on an absorber can be rapidly absorbed by making a surfactant adhere to an absorber or a water absorbing material layer part.
As the surfactant, anionic surfactants such as sodium dodecylbenzenesulfonate are preferable, but in addition to these, cationic surfactants such as lauryltrimethylammonium chloride, nonionic surfactants such as octylphenyl ether, etc. is there.
[0039]
In the present invention, when forming a sheet, if a hydrophobic nonwoven layer portion is formed on the surface of the absorbent body, even if the nonwoven layer portion on the surface of the sheet is wet, it penetrates from the nonwoven layer portion. Water is preferable because water can be prevented from oozing out from the absorbent body due to the water repellency of the nonwoven fabric layer portion. In the present invention, in order to increase the water absorption capability of the absorbent body and the sheet, a water absorbent paper layer portion formed of thin paper is provided on the front side and the back side of the absorbent body. In order to increase the water retention capacity of the absorbent body, a water-absorbing material including a vegetable waste pulverized and dried product, a paper waste material pulverized product, a plastic waste material pulverized product, and a water-absorbing resin between the water absorbent paper layer portions on the front side and the back side A layer portion is provided, and the water-absorbent paper layer portion and the water-absorbent material layer portion on the front side and the back side are bonded together to form an absorbent body.
[0040]
In the present invention, vegetable waste pulverization comprising a surface-side water-absorbing paper layer portion, a back-side water-absorbing paper layer portion, and vegetable waste particles having a particle size of 5 mm or less provided between the front-side and back-side paper layer portions. The water absorbent material layer portion including the dried product and the water absorbent resin can be embossed and pressure-molded into a relatively flexible plate-like body. Such a relatively flexible plate-like body is preferable because it adheres well to the floor portion and easily absorbs water droplets on the floor. In this invention, elasticity can be given to the absorber and sheet | seat etc. which are obtained by making the water-absorbent material layer part contain the vegetable crushed and dried material having a particle size of 5 mm or less.
[0041]
In the present invention, the sheet has a water-permeable thin layer portion that forms a surface, and the water-permeable thin layer portion is made of, for example, a nonwoven fabric made of plastic fibers such as polypropylene, polyethylene, nylon, or vinylon, or polyethylene, polypropylene, It can be formed of a porous film made of a plastic material such as vinyl chloride resin, the back side is a water-impermeable plastic film layer part, and the plastic film layer part is made of polyethylene, polypropylene as in the case of the absorber It is possible to form the film with a water-impermeable thin layer such as a plastic film. In the present invention, a water-absorbent paper layer portion can be provided on the inner side of the water-permeable thin layer portion in contact with the inner surface thereof. In the present invention, it is preferable to use a water-permeable thin layer portion to which bactericidal and deodorizing properties are imparted, since the odor generated by sweat or urine that adheres during use is reduced. In the present invention, when the water-impermeable membrane and the water-permeable membrane layer portion of the biodegradable plastic material and the water-absorbent material layer portion containing the biodegradable plastic material are used, the obtained absorbent body, sheet and packaging material are soiled. It is preferable because it can be buried and discarded. In the packaging material of this invention, when making upper and lower surfaces water-permeable, both upper and lower surfaces can be made into a water-permeable thin layer part, such as a nonwoven fabric.
In the present invention, for example, 25 ml of water is injected into a circle having a diameter of 2 cm within 10 seconds from, for example, a washing tub nozzle, and the total amount of the water-permeable thin layer portion is 20 seconds. The permeation time here, that is, the water permeability, is more preferable as it is further shortened.
[0042]
In the present invention, it is preferable that the water-absorbent paper layer portion is formed of thin paper such as absorbent paper, absorbent paper, or crepe paper, because good water absorbability can be secured. In the present invention, composite paper produced by dispersing pulp and chemical fibers in a liquid and making paper can be used as the absorbent paper. For example, a composite paper having water absorption or water permeability obtained by bonding a chemical fiber paper such as a chemical fiber paper made of polypropylene to a thin paper can be used.
In the present invention, the absorber can be provided with the surface side in contact with the back surface of the water-permeable thin layer portion, and the back surface side can be used as the ridge to be the bottom of the absorber. However, in this case, the bottom surface can be reinforced by forming a thin layer made of impermeable plastic in contact with the back side. In this case, the absorbent body is surrounded by the impermeable plastic thin layer portion provided in contact with the back surface side and the water permeable thin layer portion provided in contact with the surface side of the absorber. Can be formed.
[0043]
In the sheet or packaging material, when it is necessary to absorb liquid such as water from the bottom surface, the bottom portion can be formed as a water-permeable thin layer portion in order to impart desired water permeability to the bottom surface.
In the present invention, the absorbent body has a water absorbent paper layer portion formed of thin paper such as absorbent paper on the front side and the back side. The thin paper such as absorbent paper can be, for example, a tissue paper having a basis weight of 12.5 g / square meter, and can be disposed on the top and bottom respectively. In the present invention, when the absorbent body is used as a sheet used for a human or animal sheet or a human or animal paper diaper, for example, the absorbent sheet on the surface is two sheets, and is positioned on the outermost surface side. The absorbent paper to be inspected can be made into an absorbent paper for inspection by attaching a coloring material for inspection. Further, in this case, it is preferable that the absorbent body is subjected to treatment such as disinfection so as to be hygienic. In addition, it is preferable to use a sterilizing thin paper as the thin paper because the odor generated by sweat or urine adhering to the absorbent, the sheet, or the packaging material is reduced in the use of the absorbent body, the sheet, and the packaging material.
[0044]
In the present invention, the term water-absorbing resin means a water-absorbing resin having a low water-absorbing ability as compared with a high-grade water-based resin, in addition to a high-grade water-based resin.
The water-absorbing resin used in the present invention is preferably a highly water-absorbing resin that can retain its shape even when artificial urine absorbs about 30 to 100 times its own weight of water. Examples of such highly water-absorbent resins include saponified copolymers of vinyl esters and ethylenically unsaturated carboxylic acids or derivatives thereof, graft polymers of starch and acrylic acid, crosslinked products of polyacrylic acid, and vinyl alcohol. And a copolymer of acrylic acid, a partial hydrolyzate of polyacrylonitrile, a crosslinked product of carboxymethyl cellulose, a crosslinked product of polyethylene glycol, a chitosan salt or a pullulan gel. These are used alone or in admixture of two or more in the water-absorbing material powder. When used for waste oil treatment or the like, a water-absorbing resin having a high oil-absorbing property is used.
[0045]
In the present invention, it is preferable to use a so-called highly water-absorbent resin having high water absorbability because the amount of the water-absorbent resin contained in the waste material can be reduced.
In the present invention, when a classified product rich in water-absorbing resin of waste paper diaper waste is used, the amount of the superabsorbent resin contained in the classified product reaches about 14 to 28% by weight, so that high water absorption is maintained. Is preferable.
For example, a recycled superabsorbent resin-containing material recovered from waste paper diaper is artificial urine and has a water absorption capacity of 10 to 30 g / g, which is poor in water absorption performance. Performance is enough. In this case, the particle size of the recycled superabsorbent resin used is preferably 50 to 500 μm.
[0046]
[Action]
In the present invention, the absorber is, for example, a surface-side water-absorbing paper layer portion that forms a surface, a back-side water-absorbing paper layer portion that forms a back surface, and the surface-side and back-side water-absorbing paper layers. Vegetable waste pulverized and dried product having a particle size of 5 mm or less, a small amount of water-absorbing resin than the vegetable crushed and dried product, or vegetable scrap having an average particle size of 5 mm or less. The water-absorbing material layer portion formed by including a pulverized and dried product, a pulverized waste compounded material having a particle size of 5 mm or less and a smaller amount of the water-absorbing resin than the pulverized waste compounded material. The surface side water absorbent paper layer portion, the water absorbent material layer portion, and the back side water absorbent paper layer portion are combined and integrally formed, so that the absorber can be manufactured at a relatively low cost. Absorbs water adhering to the absorber in a relatively short time. In addition, the absorber absorbs water drops that fall on the floor when placed on the floor, but in any case, the surface of the absorber can be kept relatively dry after absorption. In addition, the floor can be prevented from getting wet.
Therefore, for example, prevent rain from getting wet on the floor of an outdoor event venue or the ground of a playground, lay it on the floor of a kitchen, the floor of a washroom, the floor around a refrigerator, and the floor of a toilet to absorb water drops on the floor. Thus, the floor can be prevented from getting wet. Further, for example, it can be used as an auxiliary mat for a bed to prevent the bed of a patient with nocturnal enuresis from getting wet. It can be used as a water-absorbing mat for wiping off the condensation on the ceiling, wall or window of the building, thereby removing the condensation on the windows. Moreover, when it is used as a water-absorbing mat for preventing the evaporation of water for horticulture, it is preliminarily dampened and used on a potted plant or the like, so that evaporation of water from the potted plant due to water retention can be prevented. The water-absorbing mat can be laid under, for example, a fishery product, or the water-absorbing mat can be formed into a bag shape to wrap the fishery product, and the fishery product can be transported without contact with the defrosted water.
[0047]
In the present invention, for example, the absorber includes a surface-side water-absorbing paper layer portion that forms a surface, a back-side water-absorbing paper layer portion that forms a back surface, and the surface-side and back-side water-absorbing paper layer portions. Vegetable waste crushed and dried product with a particle size of 5 mm or less, vegetable scrap pulverized and dried product with a particle size of 5 mm or less, and a smaller amount of water absorbent resin than the vegetable waste crushed and dried product, or vegetable waste pulverized and dried product with an average particle size of 5 mm or less. A pulverized waste compounded material having a particle size of 5 mm or less smaller than the pulverized dried product of vegetable waste, and a water absorbent material layer portion formed to contain a smaller amount of water absorbent resin than the pulverized waste compounded material. The surface-side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back-side water-absorbing paper layer portion are combined and integrally formed. Can get the body and use it on the sheets , It can be obtained sheets with resilient. Therefore, the present invention can absorb water drops falling on the floor while maintaining a predetermined shape and elasticity, and can eliminate, for example, wetting of a water field. Therefore, when the sheet using the absorbent body of the present invention is used, for example, in the receiving part of an umbrella stand, water droplets flowing down from the wet umbrella are absorbed, so that water does not accumulate in the umbrella stand.
[0048]
In the present invention, the packaging material comprises a vegetable waste pulverized dried product having a particle size of 5 mm or less and disposed between the front side water absorbent paper layer portion and the back side water absorbent paper layer portion, and the vegetable waste pulverized dried product. In the water-absorbing material layer containing a small amount of superabsorbent resin, pulverized titanium paper waste, pulverized alumina paper, pulverized potassium titanate paper, pulverized alumina / silica paper waste, or carbon fiber Since the pulverized product of inorganic fiber paper waste material such as paper waste material or a mixture of two or more of the inorganic fiber paper waste material pulverized product is used as a part of the odor removing material, the odor of the pulverized inorganic fiber paper waste material in the absorber With the removal function, the sheet of the present invention can remove the odor generated in the sheet during use, and can reduce the odor of the sheet after use. Further, when the packaging material of the present invention is used for packaging fruits and vegetables, the freshness of the fruits and vegetables can be maintained by removing maturation hormone ethylene generated from the fruits and vegetables.
In the present invention, the water permeability means the property of water permeation. For example, when a fixed amount (25 ml) of water or pseudo urine is injected into a 2 cm circle within 20 seconds or less, the total amount of water or pseudo urine is injected. It is calculated | required by the time (second) required for permeation | transmission, and the one where the permeation | transmission time is short is excellent in water permeability compared with the long one.
[0049]
【Example】
Examples of embodiments of the present invention will be described below, but the present invention is not limited to the following descriptions and examples.
FIG. 1 is a schematic partial cross-sectional view showing an outline of a cross-sectional structure of an absorbent body having a single water-absorbing material layer according to an embodiment of the present invention. FIG. 2 is a cross-sectional view showing a schematic cross-sectional structure in the width direction of the absorbent body of one embodiment of the present invention having the cross-sectional structure of the absorbent body of the embodiment shown in FIG. FIG. 3 has a cross-sectional structure of the absorber of the embodiment shown in FIG. 1, but is different from the absorber of the embodiment shown in FIG. 2 in the width direction of the absorber of another embodiment of the present invention. It is sectional drawing which shows these sectional structures. FIG. 4 shows a disposable diaper sheet for humans or animals, a sheet for humans or animals, an absorbent mat or a packaging material according to an embodiment of the present invention using the absorbent body of the embodiment shown in FIG. It is sectional drawing which shows the general | schematic cross-section of the width direction about the sheet of this. FIG. 5 shows a disposable diaper sheet for humans or animals, a sheet for humans or animals, an absorbent mat or a package according to another embodiment of the present invention using the absorbent body of the embodiment shown in FIG. It is sectional drawing which shows the cross-sectional structure of the width direction about the sheet | seat for materials. FIG. 6 shows a disposable diaper sheet for humans or animals, a sheet for humans or animals, an absorbent mat, or an absorbent mat according to an embodiment of the present invention using the absorbent body of the embodiment of the present invention shown in FIG. It is a schematic process drawing which shows the process of manufacturing the sheet | seat for packaging materials. FIG. 7 is a process diagram showing an outline of detailed steps of the process for producing the animal sheet shown in FIG. 1 to 7, the same reference numerals are used for corresponding portions.
[0050]
FIG. 1 is a conceptual diagram showing a schematic structure of an absorber according to an embodiment of the present invention. In the embodiment of the present invention shown in FIG. 1, the absorbent body 1 has a water-absorbing material layer portion 3 positioned on the back-side absorbent paper 2, and the surface-side absorbent paper 4 on the water-absorbing material layer portion 3. Are integrally formed. The absorbent body 1 in this example is formed by forming a water absorbent material layer portion 3 on the back side absorbent paper 2 and disposing the surface side absorbent paper 4 on the formed water absorbent material layer portion 3. The whole is pressure-molded and formed integrally.
[0051]
In the embodiment shown in FIG. 2, the width of the back side absorbent paper 2 is larger than the length of the front side absorbent paper 4 in the width direction. This is because, in the absorbent body of this example, a water-absorbing material layer portion is formed on the back-side absorbent paper 2 and the front-side absorbent paper is disposed on the two sides 5 in the width direction of the back-side absorbent paper. Is folded on both end portions 6 of the front-side absorbent paper 4 and the end portion 5 of the back-side absorbent paper is bonded to the end portion 6 of the front-side absorbent paper. The water-absorbing material layer portion 3 placed on the top can be stabilized.
[0005]
In the embodiment shown in FIG. 3, the front side absorbent paper 4 and the rear side absorbent paper 2 are arranged in the width direction so that the end portions of the front side absorbent paper 4 overlap each other in the width direction. Can be formed with substantially the same length. In this way, when the water-absorbing material layer portion 3 is placed on the back-side absorbent paper 2 and the front-side absorbent paper is disposed thereon, both end portions 5 in the width direction of the back-side absorbent paper are The end 5 of the back-side absorbent paper can be bonded to the end 6 of the front-side absorbent paper so as to overlap the both end portions 6 of the side absorbent paper 4. In this example, this makes it possible to stabilize the water-absorbing material layer portion 3 placed on the back-side absorbent paper 2, and at the time of pressure molding, the back-side absorbent paper 2 and the front-side absorbent paper The end portions in the width direction of 4 can be bonded to each other by hot melt bonding.
[0053]
Example 1
In the embodiment shown in FIGS. 1 to 3, the absorbent body 1 can be used as a bag, an absorbent body, and can be used as an absorbent body for absorbent mats, various sheets, and packaging materials.
The absorbent body 1 of this example has a width of 330 mm and a length of 600 mm, for example, and is an absorbent body used for packaging materials and seedling pots.
In this example, the absorbent body 1 is an example in which the front surface and the back surface are formed of thin paper, and an absorbent paper (basis weight: 14 g / square meter) having a width of 370 mm and a length of 600 mm is used for the back side absorbent paper 2. The bottom surface is formed, and 140 g of dried vegetable pulverized dried product pulverized and dried to a particle size of 5 mm or less is placed on the back-side absorbent paper 2 to form the water absorbent material layer portion 3. Yes.
In this example, the water-absorbing material layer portion is formed of a crushed vegetable waste product, and in this example, the dried vegetable product product is 50% by weight of root vegetable leaf waste and cabbage and lettuce skin waste 50. Weight% is mixed and pulverized through a 5 mm screen, then dried with a hot air dryer to a moisture content of 10% by weight or less, and further pulverized to an average particle size of 3 mm or less with a dry defibrator.
An absorbent paper (basis weight: 14 g / square meter) formed of thin paper and having a width of 320 mm and a length of 600 mm is placed on the water absorbent material layer portion 3 as the surface side absorbent paper 4 forming the surface. ing. A laminate in which the back-side absorbent paper 2, the water-absorbing material layer 3 and the front-side absorbent paper 4 are superposed in this order is integrally molded by pressure to form the absorbent body 1. The absorbent body 1 formed by pressure molding has, for example, embossed ridges (not shown) formed on the front side absorbent paper 4 and the back side absorbent paper 2 at the time of pressure molding. The obtained absorbent paper had a width of 330 mm and a length of 600 mm.
The entire surface of the absorbent body was wrapped with a polypropylene nonwoven fabric, and a packaging material having an outer size, a width of 340 mm, and a length of 650 mm was produced. Vegetables were transported using this packaging material, but they could be used without any change compared to conventional vegetable transport sheets.
[0054]
In the embodiment shown in FIG. 1 to FIG. 3, the width of the back side absorbent paper 2 is formed larger than the length in the width direction of the front side absorbent paper 4. Both end portions 5 in the width direction are folded on both end portions 6 of the surface-side absorbent paper 4, and are subjected to thermocompression bonding in the subsequent pressurizing and heating step (see FIG. 2).
However, the front-side absorbent paper 4 can be formed such that the end portions thereof overlap with the back-side absorbent paper 2 in the width direction. In this way, when the lengths in the width direction of the front side absorbent paper 4 and the back side absorbent paper 2 are formed to be approximately equal, the end portions in the width direction of the front side absorbent paper 4 and the back side absorbent paper 2 are They can be bonded to each other by a hot melt bonding method (see FIG. 3).
[0054]
Example 2
In the embodiment shown in FIGS. 1 to 3, the absorbent body 1 is formed of rayon paper on the front and back surfaces. In this example, a bottom surface is formed using rayon paper (basis weight: 40 g / square meter) having a width of 370 mm and a length of 600 mm for the back-side absorbent paper 2, and on the back-side absorbent paper 2, A mixture (350 g) of 200 parts by weight of dried vegetable waste pulverized and dried with an average particle size of 3 mm or less, 100 parts by weight of buff powder generated during bookbinding, and 50 parts by weight of tapioca α starch (manufactured by Matsutani Chemical Industry Co., Ltd.). / Square meter) is placed, and the water-absorbing material layer portion 3 is formed. A laminate in which rayon paper having the same dimensions and the same basis weight is placed on the water absorbent material layer portion, and the back side absorbent paper 2, the water absorbent material layer portion 3 and the surface side absorbent paper 4 are superposed in this order. Then, the laminate is press-molded integrally to form the absorbent body 1. The absorbent body 1 formed by pressure molding is 430 g / square meter, and, for example, embossed ridges (not shown) are formed on the surface side absorbent paper 4 and the back side absorbent paper 2 at the time of pressure molding. .
[0055]
In this example, 5% to 20 ml, preferably 10 ml, of a 5% solution of starch, thermoplastic resin, ethyl cellulose or vinyl alcohol is used as a binder on the surface of rayon paper on the front side during pressure molding. Sprayed evenly over the entire surface. The absorbent body sprayed with the binder was put into a mold and heat-molded to prepare a seedling pot. This seedling pot could be used in the same manner as a normal seedling pot. Since the seedling pot of this example is mainly made of vegetable waste, it completely decomposed and disappeared in the soil after use.
[0056]
Example 3
The examples shown in FIGS. 4 and 5 are examples of sheets, sheets or mats to be used as gas-absorbing packaging materials, animal sheets or water-absorbing mats for vegetables, fresh fish, fruits or flowers.
As shown in FIG. 2, the absorbent body 1 used in the sheet, sheet or mat in the embodiment shown in FIG. 4 is provided with a water absorbent material layer portion 3 on the back side absorbent paper 2, and the water absorbent material layer. The surface side absorbent paper 4 is placed on the portion 3 so as to overlap, and the end portion 5 of the back side absorbent paper 2 is placed on the end portion 6 of the surface side absorbent paper 4. In the sheet of this example, the nonwoven fabric 12 is disposed on the front surface side absorbent paper 4, the plastic film 11 is disposed under the lower surface side absorbent paper 2 of the absorbent body 1, and the end portion 14 of the nonwoven fabric 12 and the plastic film are disposed. 11 end portions 13 are bonded by a hot melt bonding method.
As shown in FIG. 3, the absorbent body 1 used in the sheet, sheet or mat in the embodiment shown in FIG. 5 is provided with a water-absorbing material layer portion 3 on the back-side absorbent paper 2 and on the surface side. The absorbent paper 4 is arranged, and the end 6 of the front side absorbent paper 4 and the end 5 of the back side absorbent paper 2 are overlapped. In the sheet of this example, a non-woven fabric 12 is disposed on the end portion 6 of the surface-side absorbent paper 4 and the surface-side absorbent paper 4 of the absorbent body 1, and the plastic film 11 is placed under the lower surface side absorbent paper 2 of the absorbent body 1. The end 14 of the nonwoven fabric 12 and the end 13 of the plastic film 11 are bonded by a hot melt bonding method.
[0057]
In the embodiment shown in FIGS. 4 and 5, the sheet 10 is an animal sheet, and is formed, for example, to have an outer size and a width of 300 mm and a length of 450 mm.
In this example, the absorbent body 1 is an example in which the front surface and the back surface are formed of thin paper. In this example, a thin paper having a basis weight of 14 g / square meter is used as the back-side absorbent paper 2 and the front-side absorbent paper 4. Each was used to form a back and surface. Between the back-side absorbent paper 2 and the front-side absorbent paper, 35% by weight of crushed and dried vegetable waste pulverized to a particle size of 3 mm or less, and 30% by weight of non-standard diaper pulverized product of pulverized paper diaper to a particle size of 3 mm or less. %, A mixture of 30% by weight of a pulp-based non-woven fabric crushed to a particle size of 3 mm or less and 5% by weight of a water-absorbing resin, and a water-absorbing material between the back-side absorbent paper 2 and the surface-side absorbent paper The layer part 3 is formed. The absorbent body 1 is formed by press-molding a laminate in which the back-side absorbent paper 2, the water-absorbing material layer 3 and the front-side absorbent paper 4 are superposed in this order. The absorbent body 1 formed by pressure molding has, for example, embossed ridges (not shown) formed on the front side absorbent paper 4 and the back side absorbent paper 2 at the time of pressure molding.
[0058]
In this example, on the surface side of the absorbent body 1 or its water-absorbing material layer portion 3, a sodium dodecylbenzenesulfonate solution 1 ml of anionic surfactant sodium dodecylbenzenesulfonate diluted with 74 ml of water is used. A layer (not shown) sprayed with 5 ml is formed. Therefore, in this example, 14 g / square meter of the surface-side absorbent paper 4 is disposed on the water absorbent material layer portion 3 sprayed with this surfactant solution. This absorbent body is placed on a polyethylene film of 20 g / square meter, the top of the absorbent body is covered with a fabric weight of 18 g / polypropylene nonwoven fabric, and the whole is heat-pressed, and the outer sheet is 300 mm wide and 450 mm long. Is made. For the thus prepared absorber, 25 ml of pseudo urine is added to one point of the absorber within 10 seconds with a syringe, and the time that the pseudo urine added to the point remains on the surface without being absorbed by the absorber is measured. As a result, it took about 1 to 2 seconds to absorb the whole amount. This result was the same as that of the absorber using the conventional pulp and super absorbent polymer.
This animal sheet was used indoors as a small dog Yorkshire Terrier, but it could be used without any change compared to conventional animal sheets.
[0059]
A water absorption test was performed on the sheet 10 of this example. In the water absorption test in this example, 25 ml of simulated urine or water was added to one point of the absorber within 10 seconds with a syringe, and the time for the pseudo urine or water added to the point to remain on the surface without being absorbed by the absorber. It was done by measuring. Compared to the case where the surfactant is not adhered, the absorbent to which the surfactant is adhered has a shortened residual time of pseudo urine by about ¼, and it was confirmed that the use of the surfactant is effective. .
[0060]
Example 4
FIG. 6 shows a process of an embodiment for producing a sheet used for the packaging material or the like shown in FIG. 4 or 5.
Vegetable scraps are unsuitable products from hydroponics farms, as waste vegetables from the fruit and vegetable market construction site, and as vegetable cooking scraps from sugar beet factories or lunch centers, as well as from vegetables and fruits from juice factories. Are collected in the raw material receiving unit 15. The collected vegetable scraps are transported from the transport path 16 connected to the raw material receiving unit 15 to the raw material charging unit 17. The vegetable scrap conveyed to the raw material input unit 17 is sent to the pulverization step 19 from the pulverization unit supply path 18 connected to the raw material input unit 17. The pulverizing step 19 is provided with a wet pulverizer and a hot air dryer (both not shown), and the vegetable waste supplied to the pulverizing step 19 is first pulverized to a particle size of 3 mm or less by the wet pulverizer. This pulverized product is then sent to a hot air dryer and dried with a hot air of 50 to 100 ° C., preferably 80 ° C. to a moisture content of 10% by weight, for example, 10 to 15 minutes. The Various vegetable crushed and dried products pulverized and dried to a particle size of 3 mm or less are carried out from the pulverization unit conveyance path 20 connecting the pulverization step 19 and the stock bottle 21. Various vegetable waste pulverized and dried products carried out from the pulverization section discharge path 20 are collected in a stock bottle 21 and supplied to a pulverized raw material stacking section 23 from a pulverized dry substance supply path 22 connected to the stock bottle 21. A water absorbent resin supply unit 24 and a deodorant supply unit 25 are connected to the pulverized raw material stacking unit 23 through supply paths 26 and 27 so as to be able to supply the water absorbent resin and the deodorant, respectively.
[0061]
In this example, a lower mount guide path 29 connected to the lower mount supply section 28 passes through the lower portion of the pulverized raw material stacking section 23, and the lower absorbent lower mount is crushed by the lower mount guide path 29. It is guided to the lower part of 23. A water absorbent resin and a deodorant are mixed from the pulverized raw material stacking part 23 as a material for forming the water absorbent material layer part on the lower mount 2 guided to the lower part of the pulverized raw material stacking part 23. Vegetable waste pulverized and dried product is supplied and placed. The lower mount 2 on which the vegetable waste pulverized and dried product in which the water absorbent resin and the deodorant are mixed is sent to the upper mount supply position 30 of the pulverized raw material stacking section 23 by the lower mount guide path 29. An upper mount guide path 32 connected to the upper mount supply section 31 is connected to the upper mount supply position 30, and vegetable waste crushed in which a water absorbent resin and a deodorant placed on the lower mount 2 are mixed. On the dried product, the upper mount 4 is supplied from an upper mount guide path 32 connected to the upper mount supply unit 31. The crushed and dried vegetable waste mixed with the water-absorbent resin and the deodorant and the lower mount 2 on which the upper mount 4 is placed are guided to the lower mount guide path 29 coming out from the pulverized raw material stacking section 23 and embossed. In the embossing process of the embossing part 33, the embossing is formed on the upper mount 4, the water absorbent material layer part 3 and the lower mount 2 to form an integral absorbent laminate, In the processing step of the embossing portion 33, both end portions 7 and 8 of the upper mount 4 and the lower mount 2 are pressed and formed integrally.
[0062]
The laminate formed by the emboss forming portion 33 is conveyed to the hot melt portion 36 via the absorber cut portion 35 by the laminate guide path 34. The absorber laminate integrally formed with the embossing forming portion 33 is cut into a predetermined width by the absorber cutting portion 35. The absorbent laminate cut to a predetermined width is conveyed by the laminate guide path 34 and sent to the hot melt section 36.
In this example, the hot melt part 36 has a back sheet supply path 38 connected to the back sheet supply part 37 connected to the lower part thereof, and a nonwoven fabric supply path 40 connected to the nonwoven fabric supply part 39 connected to the upper part thereof. The polyethylene film back sheet 11 is disposed under the lower mount 2 on which the upper mount 4 is placed and sent to the hot melt section 36, and the polypropylene non-woven fabric 12 is disposed on the upper mount 4, Send to the hot melt bonding process and bond. The sheet laminate formed by bonding is carried out to the product cut portion 42 by a sheet laminate carry-out path 41 that is connected to the hot melt portion 36 on the one hand and connected to the product cut portion 42 on the other hand. In this example, the hot melt adhesive is applied to both ends of the nonwoven fabric 12 and other bonding locations such as the central portion.
[0063]
The sheet laminate is cut into a predetermined length in the product cut portion 42 to form a sheet 10 as a product. The sheet 10 is sent to the product folding part 43 by a sheet conveying path 44 that is connected to the product cutting part 42 on the one hand and connected to the product folding part 43 on the other hand. The folded sheet is then connected to the product folding part 43 on the one hand and sent to the product conveying path 46 connected to the counting inspection part 45 on the other hand, subjected to counting and standard inspection, counted and passed the standard. The sheets are sent to the packaging unit 47 and packaged by a conveyance path 48 connected to the counting inspection unit 45 on the one hand and to the packaging unit 47 on the other side.
In this example, a product manufactured by Horai Co., Ltd. was used as the wet pulverizer, and an HT type fine pulverizer manufactured by Sumikura Kogyo Co., Ltd. or Horai Co., Ltd. was used as the dry type defibrator.
[0064]
In the embodiment shown in FIG. 7, the sheet 10 to be manufactured is the animal sheet having the outer dimensions of 300 mm in width and 450 mm in length shown in the embodiment 3, and the water-absorbing material layer portion 3 is one sheet. 35% by weight of the crushed vegetable waste pulverized product with a particle size of 3 mm or less, 30% by weight of a non-standard diaper pulverized product with a particle size of 3 mm or less, and 30% by weight of a pulp-based nonwoven fabric crushed product with a particle size of 3 mm or less. % By weight and 5% by weight of the water-absorbent resin. The upper and lower absorbent papers each had a basis weight of 14 g / square meter, the basis weight of the nonwoven fabric forming the top surface was 18 g / square meter, and the polyethylene film forming the bottom surface was 20 g / square meter.
[0065]
The roll 28 of the lower backing paper, that is, the back side absorbent paper 2 is drawn out by the absorbent paper feed roller 49 and sent to the mixture supply unit 51 that supplies the vegetable waste pulverized dry matter-containing mixture that forms the water absorbent material layer part 3. The mixture supply unit 51 is provided with a fiber pile machine 23, and the vegetable waste pulverized dried product, the paper diaper non-standard product pulverized product, and the pulp-based non-woven fabric waste pulverized product are mixed by the fiber pile 23 and further supplied. It is mixed with the water absorbent resin supplied from the water absorbent resin supply device 24 and supplied onto the back side absorbent paper 2 sent to the mixture supply position 50. The back side absorbent paper 2 on which the mixture of the crushed and dried vegetable waste, the non-standard diaper pulverized product, the pulverized pulp non-woven fabric waste and the water absorbent resin (hereinafter referred to as the water absorbent material mixture) is supplied with a deodorant. The deodorant is supplied to the location 52 and supplied from the deodorant supply device 27. Subsequently, the back side absorbent paper 2 to which the deodorant is supplied is sent to the supply location 53 of the front side absorbent paper 4. The surface-side absorbent paper 4 is drawn from the roll 31 of the surface-side absorbent paper by the drawing roller 54 and is supplied from the roll 31 onto the water absorbent material mixture layer. The belt-like layered product in which the back side absorbent paper 2, the water absorbent material mixture layer and the front side absorbent paper 4 are arranged is sent to the embossing device 35, where the end 7 of the back side absorbent paper 2 is absorbed on the front side. It is overlaid on the edge 8 of the paper 4 and is integrally compression molded by embossing. The band-shaped stratified molded body on which embossing by embossing is formed is sent to the band-shaped molded body cutter 35 and cut into a length of 400 mm to form the molded body 1. The absorbent body 1 formed by being cut by the belt-shaped molded body cutter 40 is sent to a polyethylene film supply location 55 for supplying the polyethylene film 11 for the back film below the absorbent body 1. In the polyethylene film supply location 55, the polyethylene film 11 for the back film is supplied from the roll 37 of the polyethylene film 11 by the supply roller 56 below the absorber 1, and the absorber 1 is placed on the polyethylene film 11. Then, it is sent to a polypropylene nonwoven fabric supply location 57 that covers the polypropylene nonwoven fabric 12. In the process in which the polypropylene nonwoven fabric 12 is drawn from the roll 39 of the polypropylene nonwoven fabric 12 and sent to the polypropylene nonwoven fabric supply location 57, the hot melt adhesive is sprayed from the sprayer 58, and the nonwoven fabric 12 is supplied by the supply roller 59 of the polypropylene nonwoven fabric 12. The polypropylene nonwoven fabric 12 supplied on the surface side absorbent paper 4 of the absorbent body 1 and coated with the hot melt adhesive is placed on the absorbent body 1 at the location 57 to be applied. The absorbent covering material coated with the polyethylene film 11 and the polypropylene nonwoven fabric 12 is sent to the side sealing machine 361, and both sides are pressure-bonded and bonded with a hot melt adhesive. The absorbent covering material with both side portions adhered is sent to the end sealer 362 and both ends in the longitudinal direction are adhered, sent to the product cutter 42, and cut into a predetermined size to become a product. The product thus obtained is fed from the product feed path 50. The product of the animal sheet cut by the product cutter 49 is folded by a folding machine (not shown), packaged by a packaging machine (not shown), and shipped.
[0066]
In the above example, the embodiment of the animal sheets has been described. However, the same applies to the sheets used for human or animal disposable diapers, human sheets, water absorbent mats and packaging materials. In the water-absorbent mat or packaging material, when both the front and back surfaces are water permeable, a nonwoven fabric can be used instead of the polyethylene film of the back film.
[0067]
【The invention's effect】
In the present invention, the absorber is a mixture of a crushed vegetable waste product with a particle size of 5 mm or less, a mixture of a crushed vegetable waste product with a particle size of 5 mm or less and a water absorbent resin, or a dried product of vegetable waste product with a particle size of 5 mm or less, 5 mm. Since the mixture of the waste compounded material pulverized material and the water absorbent resin pulverized to the following particle size is used as the water absorbent material layer portion, it is possible to provide an inexpensive absorbent as compared with conventional absorbents. In addition, it can be used for animal sheets, water-absorbing mats and packaging materials to provide inexpensive animal sheets, water-absorbing mats and packaging materials. Moreover, by attaching a surfactant to the surface-side absorbent paper layer portion and / or the water-absorbing material layer portion that forms the surface, the plastic material-containing waste material surface can be easily wetted, and the water absorption speed can be increased. Enables the use of plastic waste. Compared to conventional absorbers containing pulp materials, it is possible to manufacture inexpensive absorbers with relatively simple operations such as pulverization and mixing, and to effectively use large amounts of vegetable waste and plastic waste it can. In the absorbent body and the sheet of the present invention, the use of a surfactant can relatively increase the water absorption rate. For example, it can be placed on the floor to keep the floor dry even if water drops fall on the floor. be able to. Therefore, for example, it can be placed on the floor to prevent it from getting wet with water on the floor, and in the case of an open-air event venue, it can be kept dry even on rainy days by laying it in the passageway. There is no discomfort due to wetness in the passage. In addition, the absorbent body of the present invention is used for absorbent bodies, sheets, and packaging materials, and is used as a packaging material for transporting vegetables, seafood, etc. in the same manner as in the past, and used in flower pots, etc. in soil. It is possible to provide a flower pot that can be decomposed with The vegetable waste pulverized dried product has elasticity and is hygienic, so that it can be used as a sheet by humans or animals at rest and at bedtime.
[Brief description of the drawings]
FIG. 1 is a schematic partial cross-sectional view showing an outline of a cross-sectional structure of an absorbent body having a single water-absorbing material layer according to an embodiment of the present invention.
2 is a cross-sectional view showing a schematic cross-sectional structure in the width direction of an absorbent body according to an embodiment of the present invention having the cross-sectional structure of the absorbent body according to the embodiment shown in FIG. 1;
3 has a cross-sectional structure of the absorber of the embodiment shown in FIG. 1, but is different from the absorber of the embodiment shown in FIG. 2 in the width direction of the absorber of another embodiment of the present invention. It is sectional drawing which shows these sectional structures.
4 is a disposable diaper sheet for humans or animals, a sheet for humans or animals, an absorbent mat or a packaging material according to an embodiment of the present invention using the absorbent body of the embodiment shown in FIG. It is sectional drawing which shows the general | schematic cross-section of the width direction about the sheet of this.
FIG. 5 shows a disposable diaper sheet for humans or animals, a sheet for humans or animals, an absorbent mat or a package according to another embodiment of the present invention using the absorbent body of the embodiment shown in FIG. 3; It is sectional drawing which shows the cross-sectional structure of the width direction about the sheet | seat for materials.
6 shows a disposable diaper sheet for humans or animals, a sheet for humans or animals, an absorbent mat, or an absorbent mat according to an embodiment of the present invention using the absorbent body of the embodiment of the present invention shown in FIG. It is a schematic process drawing which shows the process of manufacturing the sheet | seat for packaging materials.
7 is a process diagram showing an outline of detailed steps of a process for producing the animal sheet shown in FIG. 6. FIG.
[Explanation of symbols]
1 Absorber
2 Back side absorbent paper or lower mount
3 Water-absorbing material layer
4 Surface-side absorbent paper or upper mount
5, 7 Both ends in the width direction of the back side absorbent paper or lower mount 2
6, 8 Both ends of the front side absorbent paper or upper mount 4
10 sheets
11 Plastic film, polyethylene film back sheet or polyethylene film for back film
12 Nonwoven fabric or nonwoven fabric made of polypropylene
13 Both ends of the back sheet of plastic film or polyethylene film
14 Both ends of nonwoven fabric or nonwoven fabric made of polypropylene
15 Raw material receiving department
16 Transport path
17 Raw material input part
18 Grinding section supply path
19 Crushing process
20 Grinding part transport path or grinding part discharge path
21 stock bottle
22 Crushed and dried product supply path
23 Crushing raw material stacking section
24 Water-absorbing resin supply section
25 Deodorant supply section
26 Water absorbent resin supply path
27 Deodorant supply device or deodorant supply path
28 Back side absorbent paper or roll of lower mount 2, lower mount supply section
29 Lower Mount Guideway
30 Upper mount supply position
31 Upper mount paper supply unit or roll of surface side absorbent paper 4
32 Upper mount guideway
33 Embossed part
34 Laminate guideway
35 Absorbent body cut or band-shaped molded body cutter
36 Hot melt section
361 Side sealing machine
362 End sealing machine
37 Back sheet supply unit or roll of polyethylene film 11
38 Backsheet supply path
39 Roll of nonwoven fabric supply section or polypropylene nonwoven fabric 12
40 Nonwoven fabric supply path
41 Sheet laminate delivery path
42 Product cutting section
43 Product folding part
44 Sheet transport path
45 Counting / Inspection Department
46 Product transport path
47 Packaging Department
48 Conveyance path
49 Absorbing paper feed roller, product cutter
50 Mixture supply position, product feed path
51 Mixture supply unit
52 Deodorant supply point
53 Surface-side absorbent paper supply location
54 Surface-side absorbent paper drawer roller
55 Polyethylene film supply points
56 Polyethylene film supply roller
57 Place where polypropylene non-woven fabric 12 is covered
58 Hot melt adhesive sprayer
59 Polypropylene non-woven fabric 12 supply roller

Claims

A leaf- side scrap with a particle size of 5 mm or less provided between a surface-side water-absorbing paper layer portion forming a surface, a back-side water-absorbing paper layer portion forming a back surface, and the surface-side and back-side water-absorbing paper layer portions. , Stem vegetable scraps, root vegetable scraps, fruit vegetable scraps, flower vegetable scraps, spicy vegetable scraps, mushroom scraps, wild vegetable scraps or wild grass scraps or a water-absorbing material formed mainly containing vegetable waste ground and dried products containing two or more of these The absorbent body is characterized in that the surface-side water-absorbent paper layer portion, the water-absorbent material layer portion, and the back-side water-absorbent paper layer portion are integrally formed together.

A leaf- side scrap with a particle size of 5 mm or less provided between a surface-side water-absorbing paper layer portion forming a surface, a back-side water-absorbing paper layer portion forming a back surface, and the surface-side and back-side water-absorbing paper layer portions. , Stem vegetable scraps, root vegetable scraps, fruit vegetable scraps, flower vegetable scraps, spicy vegetable scraps, mushroom scraps, wild vegetable scraps or wild grass scraps or a vegetable waste ground dried product containing two or more of these , and a small amount of water absorption than the vegetable waste ground dried product A water-absorbing material layer portion formed by containing a resin, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion and the back-side water-absorbing paper layer portion are combined and integrally formed. Absorber characterized by being made.

A leaf side vegetable having an average particle size of 5 mm or less provided between a surface side water absorbent paper layer portion forming a surface, a back surface water absorbent paper layer portion forming a back surface, and the surface side and back surface water absorbent paper layer portions. Waste, ground vegetable waste, fruit vegetable waste, vegetable vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or a vegetable waste ground dried product containing two or more of these , 5 mm in a smaller amount than the vegetable waste ground dried product The surface-side water-absorbent paper layer portion, comprising: a pulverized waste compounded material having the following particle size; The absorbent body, wherein the water-absorbing material layer portion and the back-side water-absorbing paper layer portion are combined and formed integrally.

Provided between the surface-side water-absorbing paper layer portion forming the surface, the back-side water-absorbing paper layer portion forming the back surface, and the surface-side and back-side water-absorbing paper layer portion, and having a particle size of 5 mm or less, Containing mainly vegetable leaf waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, sprouted vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste or two or more of these , and a surfactant. A water-absorbing material layer portion that is attached to at least a portion, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back-side water-absorbing paper layer portion are combined and integrated. It is formed in the absorber.

A leaf- side scrap with a particle size of 5 mm or less provided between a surface-side water-absorbing paper layer portion forming a surface, a back-side water-absorbing paper layer portion forming a back surface, and the surface-side and back-side water-absorbing paper layer portions. , Stem vegetable scraps, root vegetable scraps, fruit vegetable scraps, flower vegetable scraps, spicy vegetable scraps, mushroom scraps, wild vegetable scraps or wild grass scraps or a vegetable waste ground dried product containing two or more of these , and a small amount of water absorption than the vegetable waste ground dried product A water-absorbing material layer portion containing a resin and further having a surfactant adhered to at least a part thereof, and the surface-side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back-side water-absorbing material The absorbent body is characterized in that the characteristic paper layer portions are combined and formed integrally.

A leaf side vegetable having an average particle size of 5 mm or less provided between a surface side water absorbent paper layer portion forming a surface, a back surface water absorbent paper layer portion forming a back surface, and the surface side and back surface water absorbent paper layer portions. Waste, ground vegetable waste, fruit vegetable waste, vegetable vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste, or a vegetable waste ground dried product containing two or more of these , 5 mm in a smaller amount than the vegetable waste ground dried product A pulverized waste compounded material having the following particle size, and a water absorbent material layer portion formed by adhering a surfactant to at least a part of the pulverized waste compounded material and a smaller amount of water absorbent resin than the pulverized waste compounded material. The absorbent body is characterized in that the front-side water-absorbing paper layer portion, the water-absorbing material layer portion, and the back-side water-absorbing paper layer portion are combined and integrally formed.

The front side water-absorbing paper layer portion or the back side water-absorbing paper layer portion, or the surface side water-absorbing paper layer portion and the back side water-absorbing paper layer portion have a coloring substance attached to at least a part thereof. The absorber according to any one of claims 1 to 6.

Two or more of the surface side water absorbent paper layer part, the water absorbent material layer part or the back side water absorbent material layer part or the surface side water absorbent paper layer part, the water absorbent material layer part and the back side water absorbent material layer part The layer part contains at least a part thereof a sterilizing substance, a substance having a deodorizing function, a substance having a bactericidal action, and a substance having a deodorizing function. The absorber as described in any one of these.

The surface-side water-absorbing paper layer portion or the back-side water-absorbing paper layer portion, or the surface-side water-absorbing paper layer portion and the back-side water-absorbing paper layer portion are absorbent paper, thin paper or sanitary paper, or a combination of two or more thereof. It is paper, The absorber as described in any one of Claims 1 thru | or 6 characterized by the above-mentioned.

The absorbent according to claim 2, 3, 5, or 6, wherein the water absorbent resin is one kind of water absorbent resin or a mixture of two or more kinds of water absorbent resins.

The water-absorbent resin may be a water-absorbent resin or a mixture of the water-absorbent resins or a paper diaper contained in a waste paper diaper pulverized product, a milk pad waste pulverized product, a urine pad waste pulverized product, a sanitary napkin waste pulverized product or an absorbent fiber waste pulverized product. Waste water pulverized material, milk pad waste material pulverized product, urine pad waste material pulverized material or sanitary napkin waste material pulverized material, or a mixture of two or more of these water absorbent resins. The absorber according to claim 2, 3, 5 or 6.

The water-absorbing resin or a mixture of water-absorbing resins is contained in the water-absorbing material layer portion at a content of 3 weight percent or more with respect to the water-absorbing material layer portion. 5. The absorber according to 5 or 6.

The water-absorbent resin or a mixture of water-absorbent resins is contained in the water-absorbent material layer portion at a content of 5 to 15 weight percent with respect to the water-absorbent material layer portion. The absorber according to 3, 5 or 6.

The water-absorbent resin or the mixture of water-absorbent resins is contained in the water-absorbent material layer portion at a content of 30% by weight or less with respect to the water-absorbent material layer portion. The absorber according to 5 or 6.

Waste mixed material pulverized material is used for toilet paper waste, tissue paper waste, decorative paper waste, paper napkin waste, dust paper waste, paper cotton waste, paper towel waste, toilet seat sheet waste, animal waste disposal material waste, bedding Sheet waste, mask waste, eye mask waste, seat head cover waste, pillow cover waste, paper diaper waste, sanitary napkin waste, animal paper diaper waste, sanitary napkin waste, animal sanitary napkin waste, milk pad waste, sweat pad Waste material, Incontinence pad waste material, Animal sheet waste material, Laminated paper waste material for transporting fresh fish, Laminated paper waste material for vegetable transport, Laminated paper printing waste, Laminated paper scraps, Buff powder, Cardboard waste, Newspaper waste, Magazine waste, Wood Waste, scraps, non-woven fabric waste, plastic film waste, plastic sheet waste, non-woven fabric waste made of plastic materials Is a product rich in plastic materials separated from pulverized paper diaper waste, mechanical pulp waste, chemical pulp waste, semi-chemical pulp waste, cotton pulp waste, wood pulp waste, waste paper pulp waste, synthetic resin fiber waste, wood waste, Paper containing wood waste, wood powder, house dismantling materials, new construction waste materials, paper powder, titanium paper waste materials, punch waste, fluff pulp of sanitary products waste classification products, water absorbent fiber waste materials, water absorbent resin waste materials, water absorbent resin The paper powder generated at the time of bookbinding, the paper powder generated at the time of manufacturing the nonwoven fabric, the paper powder generated at the paper making process or the paper powder generated at the time of manufacturing the sanitary material, or a mixture containing two or more thereof. The absorber according to 3 or 6.

The absorbent according to claim 3 or 6, wherein the pulverized waste compounded material is contained in the water absorbent material layer portion at a content of 50% by weight or less with respect to the water absorbent material layer portion. body.

The pulverized waste compounding material is contained in the water absorbent material layer portion at a content of 30 weight percent or less with respect to the water absorbent material layer portion. The absorber according to item.

A water permeable thin layer portion forming a surface, a water impermeable thin layer portion forming a back surface, and an absorbent body provided between the water permeable thin layer portion and the water impermeable thin layer portion, the absorption In a sheet formed by a body having its surface in contact with the back surface of the water-permeable thin layer portion and its back surface in contact with the surface of the water-impermeable thin layer portion, the absorbent body is claimed. Item 18. A sheet according to any one of Items 1 to 17, wherein the sheet is an absorbent material.

A water permeable thin layer portion forming a surface, a water permeable thin layer portion forming a back surface, and an absorbent body provided between the upper and lower water permeable thin layer portions, the absorbent body having both outer surfaces thereof In the sheet formed by being arranged in contact with the inner surfaces of the both water-permeable thin layer portions, the absorber is the absorber according to any one of claims 1 to 17. Characteristic sheets.

The sheet according to claim 18 or 19 , wherein the water-permeable thin layer portion is formed of a dry nonwoven fabric or a wet nonwoven fabric.

The sheet according to claim 18 , wherein the water-impermeable thin layer portion forming the back surface is formed of a plastic film or a flexible plastic sheet.

A water permeable thin layer part forming a surface, a water impermeable thin layer part forming a back surface, and an absorbent body provided between the water permeable thin layer part and the water impermeable thin layer part, the absorption In the packaging material formed by the body contacting the surface thereof with the back surface of the water-permeable thin layer portion and the back surface thereof in contact with the surface of the water-impermeable thin layer portion, the absorbent body comprises: A packaging material comprising the absorbent body according to any one of claims 1 to 17 .

A water permeable thin layer portion forming a surface, a water permeable thin layer portion forming a back surface, and an absorbent body provided between the upper and lower water permeable thin layer portions, the absorbent body having both outer surfaces thereof In the packaging material formed by being arranged in contact with each inner surface of the both water-permeable thin layer portions, the absorbent body is the absorbent body according to any one of claims 1 to 17. A packaging material characterized by that.

Permeability thin layer portion, the packaging material according to claim 2 2 or 2 3, characterized in that it is formed by a dry nonwoven fabric or wet-laid nonwoven fabric.

Impermeable lamina part which forms the back, the packaging material according to claim 2 1, characterized in that it is formed by a plastic film or flexible plastic sheet.

Mainly contains crushed and dried vegetable waste particles containing 5 % or less of leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste or two or more of these. The vegetable waste pulverized and dried product is placed on the back side absorbent paper, the surface side absorbent paper is placed on the placed vegetable waste pulverized and dried product, and the stacked back side absorbent paper The manufacturing method of the absorber characterized by pressurizing and drying a vegetable waste ground dry material and the surface side absorption paper, and forming integrally.

Mainly contains pulverized and dried vegetable waste particles containing leafy vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste of 2 mm or less. A vegetable absorbent pulverized dry product is mixed with a water absorbent resin to form a water absorbent mixture, and the formed water absorbent mixture is placed on the back-side absorbent paper, A method for producing an absorbent body, wherein a surface-side absorbent paper is placed on a mixture, and the stacked back-side absorbent paper, water-absorbent mixture, and surface-side absorbent paper are pressurized and formed integrally. .

Mainly contains pulverized and dried vegetable waste particles containing leafy vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste of 2 mm or less. The crushed vegetable waste product to be mixed is mixed with a pulverized waste compounding material having a particle size of 5 mm or less and a water absorbent resin in a smaller amount than the crushed vegetable waste product to form a water absorbent mixture. The water-absorbing mixture is placed on the back-side absorbent paper, the surface-side absorbent paper is placed on the placed water-absorbing mixture, and the stacked back-side absorbent paper, water-absorbing mixture, and A method of manufacturing an absorbent body, wherein the front-side absorbent paper is pressed and integrally formed.

Mainly contains crushed and dried vegetable waste particles containing 5 % or less of leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste or two or more of these. The vegetable waste pulverized dry product to be placed is placed on the back side absorbent paper, the surfactant solution is attached to the placed vegetable waste pulverized dry matter, and the vegetable waste crushed to which the surfactant solution is attached. An absorbent body characterized in that a surface-side absorbent paper is placed on a dried product, and the back-side absorbent paper, the vegetable waste pulverized and dried product, and the surface-side absorbent paper that are stacked are pressed and formed integrally. Manufacturing method.

Mainly contains crushed and dried vegetable waste particles containing 5 % or less of leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste or two or more of these. The water-absorbing resin is mixed with the dried vegetable waste pulverized product to form a water-absorbing mixture, and the formed water-absorbing mixture is placed on the back side absorbent paper, and the placed vegetable waste A surfactant solution is attached to the pulverized and dried product, and a surface-side absorbent paper is placed on the vegetable waste pulverized and dried product to which the surfactant solution is attached. A method of manufacturing an absorbent body, wherein the mixture and the surface-side absorbent paper are pressurized and formed integrally

Mainly contains crushed and dried vegetable waste particles containing 5 % or less of leaf vegetable waste, stem vegetable waste, root vegetable waste, fruit vegetable waste, flower vegetable waste, spicy vegetable waste, mushroom waste, wild vegetable waste or wild grass waste or two or more of these. The crushed and dried vegetable waste is mixed with a pulverized waste compounded material having a particle size of 5 mm or less and a water-absorbing resin in an amount smaller than that of the crushed and dried vegetable waste to form a water-absorbing mixture. The water-absorbing mixture is placed on the back-side absorbent paper, the surfactant solution is attached to the placed water-absorbing mixture, and the surface side is placed on the water-absorbing mixture to which the surfactant solution is attached. A method for producing an absorbent body, comprising: placing an absorbent paper and pressurizing the stacked back-side absorbent paper, water-absorbent mixture, and front-side absorbent paper to form a unitary body.

Water-absorbing resin The production method of the absorbent body according to claim 2 7, 2 8, 30 or 3 1, characterized in that a mixture of one kind of water-absorbent resin or two or more kinds of water-absorbent resin.

The water-absorbent resin may be a water-absorbent resin or a mixture of the water-absorbent resins or a paper diaper contained in a waste paper diaper pulverized product, a milk pad waste pulverized product, a urine pad waste pulverized product, a sanitary napkin waste pulverized product or an absorbent fiber waste pulverized product. Waste water pulverized material, milk pad waste material pulverized product, urine pad waste material pulverized material or sanitary napkin waste material pulverized material, or a mixture of two or more of these water absorbent resins. claim 2 7, 2 8, 3 0 or 3 1 manufacturing method of the absorbent body according to.

One type of water-absorbing resin or a mixture of two or more types of water-absorbing resin is contained in the water-absorbing material layer part at a content of 3 weight percent or more with respect to the water-absorbing material layer part. manufacturing method of the absorbent body according to claim 2 7, 2 8, 3 0 or 3 1,.

One kind of water-absorbing resin or a mixture of two or more kinds of water-absorbing resins is contained in the water-absorbing material layer part at a content of 5 to 15 weight percent with respect to the water-absorbing material layer part. manufacturing method of the absorbent body according to claim 2 7, 2 8, 3 0 or 3 1, characterized.

One type of water-absorbent resin or a mixture of two or more types of water-absorbent resins is characterized in that the water-absorbent material layer part is contained at a content of 30% by weight or less with respect to the water-absorbent material layer part. manufacturing method of the absorbent body according to claim 2 7, 2 8, 3 0 or 3 1.

Waste mixed material pulverized material is used for toilet paper waste, tissue paper waste, decorative paper waste, paper napkin waste, dust paper waste, paper cotton waste, paper towel waste, toilet seat sheet waste, animal waste disposal material waste, bedding Sheet waste, mask waste, eye mask waste, seat head cover waste, pillow cover waste, paper diaper waste, sanitary napkin waste, animal paper diaper waste, sanitary napkin waste, animal sanitary napkin waste, milk pad waste, sweat pad Waste material, Incontinence pad waste material, Animal sheet waste material, Laminated paper waste material for transporting fresh fish, Laminated paper waste material for transporting vegetables, Laminated paper printing waste, Laminated paper scraps, Buff powder, cardboard waste, newspaper waste, magazine waste, wood Scraps, scraps, non-woven scraps, plastic film scraps, plastic sheet scraps, non-woven scraps made of plastic materials Is a product rich in plastic materials separated from pulverized paper diaper waste, mechanical pulp waste, chemical pulp waste, semi-chemical pulp waste, cotton pulp waste, wood pulp waste, waste paper pulp waste, synthetic resin fiber waste, wood waste, Paper containing wood waste, wood powder, house dismantling materials, new construction waste materials, paper powder, titanium paper waste materials, punch waste, fluff pulp of sanitary products waste classification products, water absorbent fiber waste materials, water absorbent resin waste materials, water absorbent resin The paper powder generated at the time of bookbinding, the paper powder generated at the time of manufacturing the nonwoven fabric, the paper powder generated at the paper making process or the paper powder generated at the time of manufacturing the sanitary material, or a mixture containing two or more thereof. 2 8 or 3 1 manufacturing method of the absorbent body according to.

Waste compounding materials pulverized product, the water-absorbing material layer portions, with respect to the water-absorbent material layer portions, according to claim 2 8, or 3 1, characterized in that it is contained in the following content of 50 wt% Method for manufacturing the absorber.

Waste compounding materials pulverized product, the water-absorbing material layer portions, with respect to the water-absorbent material layer portions, according to claim 2 8, or 3 1, characterized in that it is contained in the following content 30% by weight Method of manufacturing the absorbent body.

Waste pulverized material is separated from diaper waste, dairy pad waste, urine pad waste, sanitary napkin waste or laminated paper waste, or two or more of these wastes that have been crushed to a particle size of 5 mm or less by a pulverizer. method of manufacturing an absorbent body according to claim 2 8, or 3 1, wherein the process to those produced by separating those rich in plastics.

The front side water-absorbing paper or the rear side water-absorbing paper or the front side water-absorbing paper and the rear side water-absorbing paper is coated with a coloring substance on at least a part thereof before or after being arranged on the absorber. The method for producing an absorbent body according to claim 27, 28, 30, or 31.

At least a part of the surface-side water-absorbing paper, the back-side water-absorbing paper, the water-absorbing material layer, or two or more of these is impregnated with a substance having a sterilizing property beforehand. The method for producing an absorbent body according to any one of claims 26 to 31, wherein:

The surface-side water-absorbing paper layer portion or the back-side water-absorbing paper layer portion, or the surface-side water-absorbing paper layer portion and the back-side water-absorbing paper layer portion are absorbent paper, thin paper or sanitary paper, or a combination of two or more of these. The method for producing an absorbent body according to any one of claims 26 to 31, wherein the absorbent body is paper.

The claims 2 to 6 to 4 3 of any nonwoven fabric on the surface side absorbent sheet of the absorbent body manufactured by the manufacturing method of the absorbent body according to one item placed, placing the plastic film under the rear side absorbent paper And a sheet manufacturing method, characterized in that at least a part of the periphery of the arranged non-woven fabric and plastic film is crimped.

The claims 2 to 6 to 4 3 of any nonwoven fabric on the surface side absorbent sheet of the absorbent body manufactured by the manufacturing method of the absorbent body according to one item placed, the nonwoven fabric was placed on the back side absorbent paper A method for producing a sheet, characterized in that at least a part of the periphery of both of the arranged nonwoven fabrics is pressure-bonded to each other.

The nonwoven fabric was placed on the surface side absorbent sheet of the absorbent absorbent body manufactured by the manufacturing method according to any one of claims 2 6 to 4 3, placing plastic film covers the back side absorbent paper And a method for producing a packaging material, wherein the absorbent body on which the nonwoven fabric and the plastic film are arranged is pressure-molded.

The claims 2 to 6 to 4 3 of any nonwoven fabric on the surface side absorbent sheet of the absorbent body manufactured by the manufacturing method of the absorbent body according to one item placed, the nonwoven fabric was placed on the back side absorbent paper A method for producing a packaging material, comprising pressure-molding an absorbent body having nonwoven fabrics disposed on both sides.