JP4555672B2 - Paper processing agent - Google Patents
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- JP4555672B2 JP4555672B2 JP2004358976A JP2004358976A JP4555672B2 JP 4555672 B2 JP4555672 B2 JP 4555672B2 JP 2004358976 A JP2004358976 A JP 2004358976A JP 2004358976 A JP2004358976 A JP 2004358976A JP 4555672 B2 JP4555672 B2 JP 4555672B2
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Description
本発明は紙類に柔軟性、吸水性、保湿性を付与することのできる紙類処理剤に関する。 The present invention relates to a paper treatment agent that can impart flexibility, water absorption, and moisture retention to paper.
紙や紙製品、特にトイレットペーパーやティッシュペーパー等の家庭用の紙類には適度な柔軟性、吸水性、保湿性が要求されている。このような要求に応えるため、処理剤によって紙類を処理することが行われており、一般的にグリセリン、脂肪酸エステル類、油脂類、パラフィン類、イミダゾリン環を有する四級塩等を用いて処理する方法が知られているが、グリセリンを用いて処理する方法では、紙類に十分な柔軟性を付与するために多量のグリセリンを使用する必要があり、処理コストが高くつくという問題があった。また脂肪酸エステル類、油脂類、パラフィン類を用いて処理する方法では、処理剤が油性成分で構成されるために紙類に要求される吸水性を阻害し、手にべたつき感が残り使用者に不快感を与え易いという問題があった。さらにイミダゾリン環を有する四級塩を用いて処理する方法では、2%以上添加した場合に発泡性が大きい為、操業に支障をきたすという問題があった。またこのような問題点を解決するものそして、第四級アンモニウム塩で処理する方法(特許文献1)、第四級アンモニウム塩とグリセリン、脂肪族アルコールを含む処理剤で処理する方法(特許文献2)、等が知られている。更に近年の花粉症の流行を背景に、家庭用の紙類の柔軟性向上の要望が高まっており、このような要望に応えるために、グリセリン、ソルビトール等の保湿成分に、柔軟剤成分その他を配合した処理剤を、従来よりも多量に用いて処理した保湿ティッシュペーパー(例えば特許文献3、特許文献4)が市販されている。 Appropriate flexibility, water absorption, and moisture retention are required for paper and paper products, particularly household paper such as toilet paper and tissue paper. In order to meet such demands, papers are treated with a treating agent, and generally treated with glycerin, fatty acid esters, fats and oils, paraffins, quaternary salts having an imidazoline ring, and the like. However, in the method of treating with glycerin, it is necessary to use a large amount of glycerin in order to give sufficient flexibility to papers, and there is a problem that the processing cost is high. . Also, in the method of treatment using fatty acid esters, fats and oils, paraffins, the treatment agent is composed of oily components, which inhibits the water absorption required for papers, and the user feels sticky to the user. There was a problem that it was easy to give discomfort. Furthermore, in the method of treatment using a quaternary salt having an imidazoline ring, there is a problem that the operation is hindered because the foaming property is large when 2% or more is added. Moreover, what solves such a problem, and the method of processing with a quaternary ammonium salt (patent document 1), The method of processing with the processing agent containing a quaternary ammonium salt, glycerol, and an aliphatic alcohol (patent document 2) ), Etc. are known. Furthermore, in response to the recent trend of hay fever, there has been a growing demand for improved flexibility of household papers. Moisturizing tissue papers (for example, Patent Document 3 and Patent Document 4) that have been processed using a larger amount of the blended treatment agent than before are commercially available.
しかしながら、特許文献1、2に記載されている方法は発泡による操業上のトラブルは改善されるものの、皮膚刺激性のある第四級アンモニウム塩を用いるため安全性が十分とは言い難い上、さらに第四級アンモニウム塩は吸水性を損なうという問題があり、特許文献3、特許文献4に記載されている方法は高い安全性を有するものの、吸水性を付与するためには処理剤を多量に必要とし、多量に用いても十分な柔軟性を付与することができないという問題があった。本願発明はこのような課題を解決するために鋭意研究した結果、皮膚刺激等のない安全性に優れた原料を用い、少ない添加量で紙類に柔軟性と吸水性を同時に付与することができ、さらには保湿性も付与することのできる紙類処理剤を見出し本発明を完成するに至った。 However, although the method described in Patent Documents 1 and 2 improves operational troubles due to foaming, it is difficult to say that safety is sufficient because a quaternary ammonium salt having skin irritation is used. The quaternary ammonium salt has a problem of impairing water absorption, and although the methods described in Patent Document 3 and Patent Document 4 have high safety, a large amount of treatment agent is required to impart water absorption. In addition, there is a problem that sufficient flexibility cannot be imparted even when used in a large amount. As a result of diligent research to solve such problems, the present invention uses a material with excellent safety without skin irritation and the like, and can simultaneously impart flexibility and water absorption to papers with a small addition amount. In addition, the present inventors have found a paper treating agent that can also impart moisture retention and have completed the present invention.
即ち本発明は、
(1)ペーパータオル、ティッシュペーパー、トイレットペーパー、フェイシャルティッシュ、ちり紙、京花紙より選ばれた紙類に柔軟性、吸水性、保湿性を付与する紙類処理剤であって、グリセリン70〜99.7重量%と、アスパラギン酸と炭素数12〜18の脂肪酸とを反応して得られるアスパラギン酸脂肪酸アミド化合物0.3〜30重量%とを含有することを特徴とする紙類処理剤、
を要旨とする。
That is, the present invention
1 towels, tissue paper, toilet paper, facial tissue, toilet paper, flexible paper selected from Kyohanashi, water absorption, a paper processing agent for imparting moisture retention, glycerin 70-99 .7 wt% and, paper processing agent characterized by containing a 0.3 to 30 wt% aspartic acid fatty acid amide compound obtained by reacting aspartic acid and a fatty acid having 12 to 18 carbon atoms,
Is the gist.
本発明の紙類処理剤は、紙類に優れた柔軟性、吸水性、保湿性を付与できる。従来の処理剤のように柔軟性を付与しようとすると紙類の吸水性が低下するという問題がない。本発明の処理剤はグリセリン類とアスパラギン酸脂肪酸アミド化合物とを併用したことにより、本発明処理剤で処理した紙類はグリセリンで処理した場合よりも更に優れた保湿性が発揮され、優れた柔軟性、吸水性、保湿性を有する効果がある。 The paper treatment agent of the present invention can impart excellent flexibility, water absorption, and moisture retention to paper. There is no problem that the water absorption of papers is lowered when flexibility is imparted as in the case of conventional treatment agents. The treatment agent of the present invention is a combination of glycerin and an aspartic fatty acid amide compound, so that paper treated with the treatment agent of the present invention exhibits even better moisture retention than when treated with glycerin, and excellent flexibility. There is an effect of having the property, water absorption, and moisture retention.
アスパラギン酸脂肪酸アミド化合物としては、アスパラギン酸と脂肪酸とを反応させて得られる下記(1)式で示される化合物が用いられる。 As the aspartic acid fatty acid amide compound, a compound represented by the following formula (1) obtained by reacting aspartic acid and a fatty acid is used.
上記(1)式で示される化合物を形成する炭素数12〜18の脂肪酸としては、例えばラウリン酸、ミリスチン酸、オレイン酸、ステアリン酸等が挙げられるが、特にステアリン酸、ミリスチン酸が好ましい。(1)式で示されるアスパラギン酸脂肪酸アミド化合物は、アスパラギン酸由来のカルボキシル基がナトリウム、カリウム等のアルカリ金属塩となっていても良く(上記(1)式のXがアルカリ金属の場合)、アスパラギン酸由来の2つのカルボキシル基の一方のみがアルカリ金属塩となっていても両方がアルカリ金属塩となっていても良い。 The fatty acid having 12 to 18 carbon atoms to form a compound represented by the above formula (1), eg when lauric acid, myristic acid, oleic acid, and stearic acid, in particular stearic acid, myristic acid. In the aspartic acid fatty acid amide compound represented by the formula (1), the carboxyl group derived from aspartic acid may be an alkali metal salt such as sodium or potassium (when X in the formula (1) is an alkali metal), Only one of the two carboxyl groups derived from aspartic acid may be an alkali metal salt, or both may be alkali metal salts.
本発明の紙類処理剤において、グリセリン類の割合が10重量%未満の場合(アスパラギン酸脂肪酸アミド化合物の割合が90重量%を超える場合)、保湿性不足となる虞があり、グリセリン類の割合が99.99重量%を超える場合(アスパラギン酸脂肪酸アミド化合物の割合が0.01重量%未満の場合)柔軟性不足となる虞がある。本発明の紙類処理剤におけるグリセリン類とアスパラギン酸脂肪酸アミド化合物の割合は、グリセリン70〜99.7重量%、アスパラギン酸脂肪酸アミド化合物0.3〜30重量%である。 In the paper processing agent of the present invention, when the proportion of glycerin is less than 10% by weight (when the proportion of the aspartic acid fatty acid amide compound exceeds 90% by weight), there is a risk of insufficient moisture retention, and the proportion of glycerin. Is over 99.99% by weight (when the proportion of the aspartic acid fatty acid amide compound is less than 0.01% by weight), the flexibility may be insufficient. Ratio of glycerols and aspartic acid fatty acid amide compound in paper treating agent of the present invention, glycerin 7 0 to 99.7% by weight, aspartic acid fatty acid amide compound 0.3-30% by weight.
本発明の処理剤は、更に必要に応じて他の成分、例えば鉱物油、脂肪酸エステル等の平滑剤、ポリ(オキシアルキレン)アルキルエーテル、ポリ(オキシアルキレン)脂肪酸エステル等の乳化剤等を配合して用いることができる。 The treatment agent of the present invention may further contain other components, for example, mineral oil, smoothing agents such as fatty acid esters, emulsifiers such as poly (oxyalkylene) alkyl ethers, poly (oxyalkylene) fatty acid esters, and the like as necessary. Can be used.
本発明の紙類処理剤は、上記化合物を水に溶解または分散した水溶液或いは乳化液として使用する。本発明の紙類処理剤により紙類の処理を行う場合、通常、上記化合物を50.0〜99.0重量%程度含む水溶液、乳化液として使用する。この水溶液、乳化液中には保湿成分等の他の成分を更に配合することができる。本発明の紙類処理剤は、上記処理剤をそのまま、または更に水で希釈した水溶液として使用する。本発明の処理剤で紙類を処理するには、処理液を噴霧器により紙類にスプレーする方法、印刷機により処理液を紙類に転写する方法、含浸機により紙類を浸漬処理する方法等が挙げられる。 The paper treating agent of the present invention is used as an aqueous solution or emulsion in which the above compound is dissolved or dispersed in water. When paper is treated with the paper treating agent of the present invention, it is usually used as an aqueous solution or emulsion containing about 50.0 to 99.0% by weight of the above compound. In this aqueous solution and emulsion, other components such as a moisturizing component can be further blended. The paper treating agent of the present invention is used as it is or as an aqueous solution further diluted with water. In order to treat paper with the treatment agent of the present invention, a method of spraying the treatment liquid onto the paper with a sprayer, a method of transferring the treatment liquid to the paper with a printing machine, a method of immersing the paper with an impregnation machine, etc. Is mentioned.
本発明処理剤が処理対象とする紙類とは、ペーパータオル、ティッシュペーパー、トイレットペーパー、フェイシャルティッシュ、ちり紙、京花紙が挙げられる。 The papers of the present invention the treatment agent is processed, paper towels, tissue paper, toilet paper, facial tissue, toilet paper, Kyo flower paper.
以下、実施例を挙げて本発明を更に詳細に説明する。実施例において使用したアスパラギン酸脂肪酸アミド化合物は、以下のものである。 Hereinafter, the present invention will be described in more detail with reference to examples. The aspartic fatty acid amide compounds used in the examples are as follows.
アスパラギン酸アミドA:アスパラギン酸ラウリックアミド
アスパラギン酸アミドB:アスパラギン酸ステアリックアミド
アスパラギン酸アミドC:アスパラギン酸ミリスチックアミド
Aspartic acid amide A: Aspartic acid lauric amide Aspartic acid amide B: Aspartic acid stearic amide Aspartic acid amide C: Aspartic acid myristic amide
実施例1〜6、比較例1
グリセリン類とアスパラギン酸脂肪酸アミド化合物とを表1に示す割合で配合して調製した処理剤(比較例1はグリセリンのみ使用)の25重量%水溶液を調製した。各処理剤の水溶液を柔軟処理を施していないティッシュペーパーにスプレー噴霧処理した後、24時間風乾させ、その後、更に恒温恒湿室(温度20℃、湿度65%RH)内で12時間以上放置し、含有水分率が平衡になった後、ティッシュペーパーの柔軟性、吸水性を評価した。また保湿性を評価した後、ティッシュペーパーへの処理剤付着量を測定した。結果を未処理のティッシュペーパーの場合とあわせて表1に示す。
Examples 1-6, Comparative Example 1
A 25 wt% aqueous solution of a treatment agent (Comparative Example 1 used only glycerin) prepared by blending glycerins and an aspartic acid fatty acid amide compound in the proportions shown in Table 1 was prepared. After spraying the tissue solution that has not been subjected to softening treatment with an aqueous solution of each treatment agent, it is air-dried for 24 hours, and then left in a constant temperature and humidity chamber (temperature 20 ° C., humidity 65% RH) for 12 hours or more. After the moisture content reached equilibrium, the softness and water absorption of the tissue paper were evaluated. Further, after evaluating the moisture retention, the amount of treatment agent attached to the tissue paper was measured. The results are shown in Table 1 together with the case of untreated tissue paper.
※1:付着量は、ソックスレー抽出器により、ベンゼンとエタノール混合溶媒(容積比1:1)を、80℃で4時間還流させて溶媒中に抽出された重量より求めた。 * 1: The amount of adhesion was determined from the weight extracted with a Soxhlet extractor by refluxing benzene and ethanol mixed solvent (volume ratio 1: 1) at 80 ° C. for 4 hours.
※2:柔軟性は、被試験紙を5枚片手で握り、柔軟性の官能性評価を行った。評価基準は以下の5段階とした。
5:非常に柔らかい
4:柔らかい
3:やや柔らかい
2:柔軟剤未使用と同等
1:柔らかくない
* 2: Flexibility was evaluated by grasping 5 test papers with one hand and evaluating the functionality of the flexibility. The evaluation criteria were as follows.
5: Very soft 4: Soft 3: Slightly soft 2: Equivalent to using no softener 1: Not soft
※3:吸水性は、処理後のティッシュペーパーにスポイトから水滴(イオン交換水)を滴下し、吸水状態を未処理のティッシュペーパーと比較して以下の基準で評価した。
○:未処理のものに比べて吸水性が同程度乃至は良好となる。
×:未処理のものより吸水性が悪くなり、紙本来の吸水性が阻害される。
* 3: Water absorption was evaluated according to the following criteria by comparing the treated water with a non-treated tissue paper by dropping water drops (ion exchange water) from the dropper onto the treated tissue paper.
○: The water absorption is comparable or better than that of untreated.
X: Water absorption is worse than that of untreated paper, and the original water absorption of paper is inhibited.
※4:保湿性は、秤量瓶(60×80)に試料紙5枚を重ねて入れ、温度25℃、湿度40%R.H.の恒温恒湿室に放置し、24時間後の重量を精秤する。その後100℃の乾燥機にて絶乾状態にした後、重量を精秤し、下記の式から導いた。 * 4: Moisture retention is measured by placing 5 sample papers in a weighing bottle (60 x 80), temperature 25 ° C, humidity 40% R.P. H. In a constant temperature and humidity chamber and precisely weigh the weight after 24 hours. Then, after completely drying with a dryer at 100 ° C., the weight was precisely weighed and derived from the following formula.
(数1)
保湿量(重量%)=[(保湿紙の重量)/(絶乾紙の重量)−1]×100
(Equation 1)
Moisturizing amount (% by weight) = [(weight of moisturizing paper) / (weight of absolutely dry paper) −1] × 100
比較例2〜6
表2に示す処理剤主成分の含有率が規定量となるように水に溶解又は分散させて処理液を調整した。
Comparative Examples 2-6
The treatment liquid was prepared by dissolving or dispersing in water so that the content of the treatment agent main component shown in Table 2 would be a specified amount.
各処理液を、柔軟処理を施していないティッシュペーパーに噴霧処理した後、24時間風乾させ、その後、更に恒温恒湿室(温度20℃、湿度65%RH)内で12時間以上放置して、含有水分率が平衡になった後、ティッシュペーパーの柔軟性、吸水性を実施例と同様に評価した。これらの結果及び処理剤の付着量を測定した結果を表2に示す。
Each treatment solution is spray-treated on tissue paper that has not been subjected to softening treatment, and then air-dried for 24 hours. After the moisture content reached equilibrium, the softness and water absorption of the tissue paper were evaluated in the same manner as in the examples. Table 2 shows the results and the results of measuring the amount of treatment agent deposited.
Claims (1)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004358976A JP4555672B2 (en) | 2004-12-10 | 2004-12-10 | Paper processing agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004358976A JP4555672B2 (en) | 2004-12-10 | 2004-12-10 | Paper processing agent |
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| Publication Number | Publication Date |
|---|---|
| JP2006169642A JP2006169642A (en) | 2006-06-29 |
| JP4555672B2 true JP4555672B2 (en) | 2010-10-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02104511A (en) * | 1988-10-12 | 1990-04-17 | Kanebo Ltd | Composition for cleansing tissue paper |
| JP3550351B2 (en) * | 2000-11-02 | 2004-08-04 | 明成化学工業株式会社 | Softener for thin paper |
| JP4780836B2 (en) * | 2001-01-17 | 2011-09-28 | 株式会社ノエビア | Oil-in-water emulsified cosmetic for skin |
| JP4450552B2 (en) * | 2002-12-13 | 2010-04-14 | 大王製紙株式会社 | Thin leaf sanitary paper |
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