JP3534692B2 - Insulation paper - Google Patents
Insulation paperInfo
- Publication number
- JP3534692B2 JP3534692B2 JP2000330055A JP2000330055A JP3534692B2 JP 3534692 B2 JP3534692 B2 JP 3534692B2 JP 2000330055 A JP2000330055 A JP 2000330055A JP 2000330055 A JP2000330055 A JP 2000330055A JP 3534692 B2 JP3534692 B2 JP 3534692B2
- Authority
- JP
- Japan
- Prior art keywords
- paper
- heat insulating
- base paper
- heat
- pearl pigment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
Landscapes
- Laminated Bodies (AREA)
- Paper (AREA)
- Wrappers (AREA)
- Thermal Insulation (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、真珠顔料とバイン
ダーとを含む非透水性の断熱層を有する断熱紙に関す
る。TECHNICAL FIELD The present invention relates to a heat insulating paper having a water impermeable heat insulating layer containing a pearl pigment and a binder.
【０００２】[0002]
【従来の技術】従来、断熱性を有する紙としては、基紙
にアルミニウム箔を貼付したり、基紙にアルミニウム粉
とセラミックとを含む塗工液を塗工したりした、アルミ
ニウム（以下単にアルミと記載）を用いた断熱紙が使用
されている。さらには、この断熱紙を段ボール原紙に貼
合した断熱段ボール紙なども使用されている。2. Description of the Related Art Conventionally, as heat-insulating paper, aluminum (hereinafter simply referred to as "aluminum") such as aluminum foil stuck to a base paper or a coating solution containing aluminum powder and ceramics is applied to the base paper. Insulation paper is used. Furthermore, heat-insulating corrugated paper in which this heat-insulating paper is attached to cardboard base paper is also used.
【０００３】このような従来断熱紙や断熱段ボール紙
は、断熱性が高く、また防水性をも有し、主に、保温を
必要とする食品の梱包箱または容器等に広く用いられて
いる。Such conventional heat-insulating paper and heat-insulating corrugated cardboard have high heat-insulating properties and also have water-proof properties, and are widely used mainly for packaging boxes or containers for foods that require heat retention.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、アルミ
含有の断熱紙は、下記に示す様々な問題点をも有してい
る。まず第１に、近年の環境保護の風潮において、各種
用途に使用される紙のリサイクル化が高まっているが、
従来断熱紙は、アルミニウムを含むため古紙としてリサ
イクルできない。However, the aluminum-containing heat insulating paper also has various problems described below. First of all, in the recent trend of environmental protection, recycling of paper used for various purposes is increasing.
Conventional thermal insulation paper cannot be recycled as waste paper because it contains aluminum.
【０００５】第２に、アルミ含有の断熱紙を用いた従来
の梱包箱等は、金属検知器に反応するため、これをもち
いた食品収容箱を使用すると、収容した食品内に混入し
た金属異物等を金属探知機で検出することができなくな
る。Secondly, since a conventional packaging box using aluminum-containing heat-insulating paper reacts with a metal detector, if a food storage box using this is used, metallic foreign matter mixed in the stored food will be used. Etc. cannot be detected by the metal detector.
【０００６】第３に、近年では食品贈答用の梱包箱や収
容箱等として使用が高まり、美粧性に優れた断熱紙が要
望されているが、従来の断熱紙や断熱段ボール紙によ
る、梱包箱等は、表面がアルミ色のままであり、美粧性
に優れていない。Thirdly, in recent years, the use of heat-insulating paper, which is excellent in beauty, has been desired as a packing box or a storage box for gift-giving foods. Etc., the surface remains aluminum color and is not excellent in cosmetics.
【０００７】このような、各種問題点について、本発明
者らが鋭意研究をかさねた結果、無機顔料であり、独特
の真珠光沢感を有する真珠顔料を用いることで、前記問
題点を好適に解決できるということを知見した。As a result of intensive studies conducted by the present inventors on these various problems, the use of a pearl pigment, which is an inorganic pigment and has a unique pearlescent luster, can preferably solve the above problems. I found that I could do it.
【０００８】そこで、本発明の第１の課題は、真珠顔料
を用いてリサイクル可能な断熱紙を提供することにあ
る。本発明第２の課題は、真珠顔料を用いて金属探知機
に反応しない断熱紙を提供することにある。さらに、本
発明第３の課題は、真珠顔料を用いて美粧性を付与した
断熱紙を提供することにある。[0008] Therefore, a first object of the present invention is to provide a recyclable heat insulating paper using a pearl pigment. A second object of the present invention is to provide a heat insulating paper which does not react with a metal detector using a pearl pigment. Further, a third object of the present invention is to provide a heat-insulating paper which is provided with aesthetic properties by using a pearl pigment.
【０００９】[0009]
【課題を解決するための手段】上記課題を解決した請求
項１記載の発明は、基紙の表裏面の少なくとも一方の面
に、真珠顔料とバインダーとを含む塗工液によって形成
された、非透液性の断熱層を有することを特徴とする断
熱紙である。The invention according to claim 1 which has solved the above-mentioned problems, comprises a non-coating solution containing a pearl pigment and a binder on at least one of the front and back surfaces of a base paper. A heat insulating paper having a liquid permeable heat insulating layer.
【００１０】請求項１記載の発明によれば、基紙の表裏
面の少なくとも一方の面に、非透水性の断熱層が形成さ
れているので、美粧性および防水性に優れた断熱紙とな
る。かかる構成により、水気や湿気を有するもの、特に
食品の保存用および包装用の紙として好適に使用するこ
とができる。また、断熱効果を生じさせる物質として無
機顔料である真珠顔料を用いるので、磁気誘導方式の金
属検知器に反応しなくなる。また、従来技術によって古
紙としてリサイクルが可能となる。According to the first aspect of the present invention , since the water impermeable heat insulating layer is formed on at least one of the front and back surfaces of the base paper, the heat insulating paper is excellent in beauty and waterproofness. . With such a constitution, it can be suitably used as a paper having moisture and humidity, especially as a paper for storing and packaging foods. Further, since the pearl pigment, which is an inorganic pigment, is used as the substance that produces the heat insulating effect, it does not react with the magnetic induction type metal detector. In addition, the conventional technology enables recycling as waste paper.
【００１１】請求項２記載の発明は、前記基紙は、波形
に形成された中芯紙の表裏面の少なくとも一方の面に、
ライナー原紙が貼合された段ボール原紙であり、前記断
熱層は、前記ライナー原紙の表面に形成されている請求
項１記載の断熱紙である。According to a second aspect of the present invention, the base paper is formed on at least one of the front and back surfaces of the corrugated core paper.
The heat-insulating paper according to claim 1, which is a corrugated cardboard base paper to which a liner base paper is attached, and the heat insulating layer is formed on a surface of the liner base paper.
【００１２】請求項２記載の発明によれば、基紙を段ボ
ール原紙としたことにより高い断熱性が得られる。According to the second aspect of the present invention, high heat insulation can be obtained by using the corrugated fiberboard as the base paper.
【００１３】ここで、本発明の断熱紙は断熱層中に硝化
綿を含む。Here, the heat insulating paper of the present invention contains nitrified cotton in the heat insulating layer.
【００１４】前記断熱層が硝化綿を含有することにより
断熱紙に耐熱性が付与される。Heat resistance is imparted to the heat insulating paper because the heat insulating layer contains nitrification cotton.
【００１５】請求項３記載の発明は、前記基紙が、有色
のものである請求項１または２記載の断熱紙である。The invention according to claim 3 is the heat insulating paper according to claim 1 or 2, wherein the base paper is colored.
【００１６】基紙を有色とすると、塗工液中に着色剤を
含有させるよりも真珠顔料による真珠光沢感の発現性が
よくなり美粧性に優れるようになり、さらに、無色（白
色）の基紙を使用した場合より断熱効果が高くなる。When the base paper is colored, the expression of pearl luster by the pearl pigment becomes better than that when a colorant is contained in the coating liquid, and the cosmetic is excellent, and further, a colorless (white) base is used. The heat insulation effect is higher than when paper is used.
【００１７】[0017]
【発明の実施の形態】本発明にかかる断熱層を形成する
ための塗工液は、真珠顔料とバインダーとを含む。塗工
液中に含有させた真珠顔料によって、基紙に優れた美粧
性と断熱効果が付与される。また、塗工液中に、バイン
ダーを含有させることによって、真珠顔料が基紙に好適
に塗工されるようになるとともに、バインダーの乾燥に
より断熱層に防水性が付与される。さらに、本発明の断
熱紙を、耐熱性を必要とする用途に使用する場合には、
耐熱材として好適な硝化綿を前記塗工液中に含有させる
こともできる。また、断熱紙を使用する場所や用途に応
じて、前記塗工液に、防滑剤、耐水化剤、着色剤、粘度
調整剤などを含有させることもできる。BEST MODE FOR CARRYING OUT THE INVENTION The coating liquid for forming a heat insulating layer according to the present invention contains a pearl pigment and a binder. The pearl pigment contained in the coating liquid imparts excellent cosmetic properties and heat insulating effects to the base paper. Further, by containing a binder in the coating liquid, the pearl pigment can be suitably coated on the base paper, and the binder is dried to impart waterproofness to the heat insulating layer. Furthermore, when the heat insulating paper of the present invention is used for applications requiring heat resistance,
Nitrified cotton suitable as a heat-resistant material may be contained in the coating solution. Further, depending on the place where the heat insulating paper is used and the application, the coating liquid may contain a lubricant, a water resistant agent, a colorant, a viscosity modifier and the like.
【００１８】ここで、前記真珠顔料は、前記塗工液中に
１０〜５０重量％、好適には２０〜４０重量％含有させ
るのが望ましい。The pearl pigment is contained in the coating solution in an amount of 10 to 50% by weight, preferably 20 to 40% by weight.
【００１９】前記断熱層は、前記塗工液をロールコータ
ー、グラビアコーター、スクリーンコーター、エアーナ
イフコーター、バーコーターなど既知の塗工機を用い
て、基紙の表裏面の少なくとも一方の面に塗工して設け
ることができる。また、前記断熱層は、グラビア印刷機
など既知の印刷機を使用して印刷によって基紙の表裏面
の少なくとも一方の面に設けてもよい。The heat insulating layer is formed by coating the coating liquid on at least one of the front and back surfaces of the base paper using a known coating machine such as a roll coater, a gravure coater, a screen coater, an air knife coater, and a bar coater. It can be provided by working. The heat insulating layer may be provided on at least one of the front and back surfaces of the base paper by printing using a known printing machine such as a gravure printing machine.
【００２０】断熱層を形成するための塗工液の塗工量
は、乾燥後の固形換算で１．０〜１０．０ｇ／ｍ2、好
ましくは２．０〜５．０ｇ／ｍ2である。The coating amount of the coating liquid for forming the heat insulating layer is 1.0 to 10.0 g / m 2 , preferably 2.0 to 5.0 g / m 2 in terms of solid after drying. .
【００２１】一方、本発明に使用される真珠顔料として
は、魚の鱗や貝殻などを原料とする天然真珠顔料、塩基
性炭酸鉛、雲母粉末、酸化チタンや酸化鉄等の金属酸化
物で被覆した雲母粉末などが挙げられる。特に、酸化チ
タンで被覆した雲母粉末は、美粧性付与に広く使用され
ているので、これを用いることが望ましい。On the other hand, the pearl pigment used in the present invention is coated with a natural pearl pigment made from fish scales or shells, basic lead carbonate, mica powder, and metal oxides such as titanium oxide and iron oxide. Examples thereof include mica powder. In particular, since the mica powder coated with titanium oxide is widely used for imparting cosmetic properties, it is desirable to use it.
【００２２】これらの真珠顔料の粒径は、コールターカ
ウンター法による粒径が５〜１５０μｍ、好適には１０
〜１００μｍである。粒径が５μｍより小さいと真珠光
沢感が不足して、断熱性および美粧性が低くなり、１５
０μｍを超えると、塗工層から真珠顔料が脱落しやすく
なる。前記範囲の粒径の市販品を用いればよい。The particle size of these pearl pigments is 5 to 150 μm, preferably 10 according to the Coulter counter method.
˜100 μm. If the particle size is smaller than 5 μm, the pearlescent feeling is insufficient, and the heat insulating property and cosmetic property are deteriorated.
If it exceeds 0 μm, the pearl pigment is likely to fall off from the coating layer. A commercially available product having a particle size within the above range may be used.
【００２３】他方、本発明に使用されるバインダーとし
ては；アクリル酸およびそのエステル、メタクリル酸お
よびそのエステル；塩化ビニル、塩化ビニリデン、酢酸
ビニル、アクリロニトリル、ブタジエン、スチレン等の
乳化重合体および乳化共重合体、およびそれらにカルボ
キシル基や水酸基などの官能基を導入した水分散性樹
脂；カゼイン；澱粉、酸化澱粉、ジアルデヒド澱粉、カ
チオン化澱粉、アセチル化澱粉、リン酸エステル化澱
粉、ヒドロキシエチル化澱粉等の澱粉誘導体；ポリビニ
ルアルコール等の天然あるいは合成の水溶性樹脂；など
である。これらのバインダーを、前記塗工液中に１種あ
るいは２種以上含有させる。On the other hand, as the binder used in the present invention, acrylic acid and its ester, methacrylic acid and its ester; emulsion polymers and emulsion copolymers such as vinyl chloride, vinylidene chloride, vinyl acetate, acrylonitrile, butadiene, styrene and the like. Combined products and water-dispersible resins obtained by introducing functional groups such as carboxyl groups and hydroxyl groups into them; casein; starch, oxidized starch, dialdehyde starch, cationized starch, acetylated starch, phosphoric acid esterified starch, hydroxyethylated starch And the like; a natural or synthetic water-soluble resin such as polyvinyl alcohol; and the like. One or more of these binders are contained in the coating liquid.
【００２４】他方、本発明の断熱紙に使用する基紙は、
繊維を原料とする紙葉である。前記繊維が天然繊維であ
るか合成繊維であるかは問わない。具体的には、ライナ
ー原紙、アート紙、コート紙等が挙げられる。また、前
記基紙は、波形に形成された中芯紙の表裏面の少なくと
も一方の面に、ライナー原紙が貼合された段ボール原紙
であってもよい。基紙を段ボール原紙とすることによ
り、波形の中芯紙と貼合されるライナー原紙との間にで
きる空間に空気が存在し、その空気による断熱効果をも
得られるため、より断熱性の高い断熱紙となる。ここ
で、前記段ボール原紙は既知のコルゲートマシン等によ
って製造されるものでよい。On the other hand, the base paper used for the heat insulating paper of the present invention is
A paper sheet made from fiber. It does not matter whether the fibers are natural fibers or synthetic fibers. Specific examples include liner base paper, art paper, and coated paper. Further, the base paper may be a corrugated cardboard base paper in which a liner base paper is attached to at least one of the front and back surfaces of a corrugated core paper. By the base paper and linerboard, air exists in the space formed between the liner base paper is corrugating medium and laminated in the waveform, since the obtained heat insulating effect due to the air, higher and more heat-insulating Insulation paper. Here, the corrugated board base paper may be manufactured by a known corrugating machine or the like.
【００２５】さらに、本発明の断熱紙に使用される基紙
としては、白色のものであるよりは、有色のものである
ものの方が好適な美粧性を示す。塗工液中に、着色剤を
含有させてもよいが、有色の基紙に着色剤を含まない本
発明にかかる塗工液を塗工したほうが、真珠顔料による
真珠光沢感の発現性がよい。Further, as the base paper used in the heat insulating paper of the present invention, colored one exhibits more favorable cosmetic properties than white one. The coating liquid may contain a colorant, but it is better to apply the coating liquid according to the present invention which does not contain a colorant to the colored base paper because the pearlescent appearance of the pearl pigment is better. .
【００２６】＜実施例＞バインダーについて
本発明に基づいて、実施例１として、灰色の外装用カラ
ーライナー紙に、真珠顔料（酸化チタンをコーティング
した粉末雲母）を２５重量％含みかつ硝化綿を主体とす
る樹脂を含有させた塗工液を、乾燥後の固形量が３ｇ／
ｍ2となるようにグラビア印刷して、断熱層を形成した
断熱紙を得た。<Example> Binder Based on the present invention, as Example 1, a gray exterior color liner paper containing 25% by weight of a pearl pigment (powdered mica coated with titanium oxide) and mainly made of nitrified cotton. The solid content after drying the coating liquid containing the resin is 3 g /
Gravure printing was performed to obtain m 2 to obtain a heat insulating paper on which a heat insulating layer was formed.
【００２７】また、本発明に基づいて、実施例２とし
て、外装用の白色ライナー紙に、真珠顔料（酸化チタン
をコーティングした粉末雲母）を２５重量％含みかつ硝
化綿を主体とする樹脂を含有させた塗工液を、乾燥後の
固形量が５ｇ／ｍ2となるようにグラビア印刷して、断
熱層を形成した断熱紙を得た。In addition, according to the present invention, as Example 2, a white liner paper for exterior use contains 25% by weight of pearl pigment (powdered mica coated with titanium oxide) and contains a resin mainly composed of nitrification cotton. The coating liquid thus obtained was gravure-printed so that the solid amount after drying was 5 g / m 2 , to obtain a heat insulating paper having a heat insulating layer.
【００２８】いずれの実施例においても、真珠顔料特有
の真珠光沢を有する美粧性に優れた断熱紙を得ることが
できた。In any of the examples, a heat insulating paper having a pearl luster peculiar to a pearl pigment and excellent in cosmetic properties could be obtained.
【００２９】次いで、下記に本発明の実験例を示す。
＜実験例＞
前記実施例１、比較例１および比較例２の断熱性および
防水性を試験した。また、その美粧性についても比較し
てみた。Next, experimental examples of the present invention will be shown below. <Experimental Example> The heat insulating property and waterproof property of Example 1, Comparative Example 1 and Comparative Example 2 were tested. Also, their cosmetic properties were compared.
【００３０】比較例１は、塗工層を形成していない白色
ライナー紙（Ｂベース、２２０ｇ／ｍ2、ハリマペーパ
ーテック製）とした。比較例２は、従来品の断熱紙であ
るアルミ粉をライナー紙に蒸着させたアルミ蒸着ライナ
ー紙（王子製紙製）とした。Comparative Example 1 is a white liner paper (B base, 220 g / m 2 , Harima Paper) having no coating layer formed thereon.
-Tech ). Comparative Example 2 was an aluminum vapor-deposited liner paper (manufactured by Oji Paper Co., Ltd.) obtained by vapor-depositing aluminum powder, which is a conventional heat insulating paper, on a liner paper.
【００３１】断熱性試験は、実施例１と比較例１および
比較例２を使用して５ｃｍ角の箱を形成し、内部に２５
ｇの氷を収容し、経過時間と溶け残った氷の重量を測定
し、溶け残った氷の重量が、最初に収容した氷の重量の
何％であるかを算出した。The insulation resistance test, forms a box 5cm square using Comparative Example 1 and Comparative Example 2 and Example 1, 25 in the interior
accommodates g of ice, weighed elapsed time and undissolved ice, weight of the undissolved ice, was calculated as a percentage of the weight of the first housing ice.
【００３２】防水性試験は、実施例１と比較例１および
比較例２を使用して５ｃｍ角の箱を形成し、内部に７３
ｇの純水を収容し、経過時間と箱を透過せずに箱内に残
った水の重量とを測定し、箱内に残った水の重量が、最
初に収容した水の重量の何％であるかを算出した。[0032] waterproofness test, forms a box 5cm square using Comparative Example 1 and Comparative Example 2 and Example 1, inside 73
g of pure water was stored, the elapsed time and the weight of the water remaining in the box that did not pass through the box were measured, and the weight of the water remaining in the box was calculated as a percentage of the weight of the water initially stored. Was calculated.
【００３３】断熱性試験の結果を表１に防水性試験の結
果を表２に示す。また、表１および表２をグラフ化した
ものを図１および図２に示す。The results of the heat insulation test are shown in Table 1, and the results of the water resistance test are shown in Table 2. Further, graphs of Table 1 and Table 2 are shown in FIGS. 1 and 2.
【００３４】[0034]
【表１】 [Table 1]
【００３５】[0035]
【表２】 [Table 2]
【００３６】表１、表２および図１、図２より、本発明
の断熱紙は、真珠顔料による断熱層が形成されていない
比較例１と比較して、断熱性および防水性に優れてい
る。また、従来の断熱紙であるアルミ粉が蒸着された比
較例２と比較してみても、遜色のない断熱性と防水性と
を有している。From Tables 1 and 2 and FIGS. 1 and 2, the heat insulating paper of the present invention is superior in heat insulating property and waterproof property as compared with Comparative Example 1 in which the heat insulating layer of the pearl pigment is not formed. . Further, even when compared with Comparative Example 2 in which aluminum powder, which is a conventional heat insulating paper, is vapor-deposited, it has comparable heat insulating properties and waterproof properties.
【００３７】さらに、実施例１と比較例１および比較例
２との美粧性を比較してみると、実施例１は、比較例１
および比較例２にはない独特の真珠光沢感があり美粧性
に優れている。Further, comparing the cosmetic properties of Example 1 with those of Comparative Example 1 and Comparative Example 2, Example 1 was compared with Comparative Example 1.
Also, it has a unique pearly luster that is not found in Comparative Example 2 and is excellent in cosmetics.
【００３８】[0038]
【発明の効果】上記詳説のとおり、本発明によれば、古
紙としてリサイクル可能であり、真珠顔料独特の真珠光
沢感を有し、しかも、金属検知器に反応しない、断熱紙
が提供される。As described above, according to the present invention, there is provided a heat insulating paper which can be recycled as waste paper, has a pearly luster unique to pearl pigments, and does not react with a metal detector.
【図１】断熱性試験の結果を示すグラフである。FIG. 1 is a graph showing the results of a heat insulation test.
【図２】防水性試験の結果を示すグラフである。FIG. 2 is a graph showing the results of a waterproof property test.
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開2000−246820（ＪＰ，Ａ) 特開 平10−226990（ＪＰ，Ａ) 特開 平11−1892（ＪＰ，Ａ) 特開 平５−86596（ＪＰ，Ａ) 特開 平10−243882（ＪＰ，Ａ) 特開 平６−212593（ＪＰ，Ａ) 特開 平９−31884（ＪＰ，Ａ) 特開 平11−277922（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) D21H 11/00 - 27/42 B32B 1/00 - 35/00 B65D 65/00 - 65/46 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) Reference JP 2000-246820 (JP, A) JP 10-226990 (JP, A) JP 11-1892 (JP, A) JP 5-86596 (JP, A) JP 10-243882 (JP, A) JP 6-212593 (JP, A) JP 9-31884 (JP, A) JP 11-277922 (JP, A) (JP 58) Fields investigated (Int.Cl. 7 , DB name) D21H 11/00-27/42 B32B 1/00-35/00 B65D 65/00-65/46
Claims (3)
珠顔料とバインダーとを含む塗工液によって形成されか
つ硝化綿を含む、非透液性の断熱層を有することを特徴
とする断熱紙。1. A liquid-impervious heat-insulating layer, which is formed of a coating liquid containing a pearl pigment and a binder and contains nitrification cotton, on at least one of the front and back surfaces of a base paper. Insulation paper.
裏面の少なくとも一方の面に、ライナー原紙が貼合され
た段ボール原紙であり、 前記断熱層は、前記ライナー原紙の表面に形成されてい
る請求項１記載の断熱紙。2. The base paper is a corrugated cardboard base paper in which a liner base paper is bonded to at least one surface of a corrugated core paper, and the heat insulating layer is a surface of the liner base paper. The heat insulating paper according to claim 1, wherein the heat insulating paper is formed.
たは２記載の断熱紙。3. The heat insulating paper according to claim 1, wherein the base paper is colored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000330055A JP3534692B2 (en) | 2000-10-30 | 2000-10-30 | Insulation paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000330055A JP3534692B2 (en) | 2000-10-30 | 2000-10-30 | Insulation paper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002138390A JP2002138390A (en) | 2002-05-14 |
| JP3534692B2 true JP3534692B2 (en) | 2004-06-07 |
Family
ID=18806635
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000330055A Expired - Lifetime JP3534692B2 (en) | 2000-10-30 | 2000-10-30 | Insulation paper |
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| Country | Link |
|---|---|
| JP (1) | JP3534692B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020056117A (en) * | 2018-09-28 | 2020-04-09 | 王子ホールディングス株式会社 | Liner for corrugated cardboard sheet, corrugated cardboard sheet and manufacturing method of printed matter |
| JP2020076167A (en) * | 2018-11-06 | 2020-05-21 | 王子ホールディングス株式会社 | Corrugated board liner, corrugated board and method for producing printed matter |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246820A (en) | 1999-03-01 | 2000-09-12 | Oji Paper Co Ltd | Moisture proof waterproof cardboard sheet |
-
2000
- 2000-10-30 JP JP2000330055A patent/JP3534692B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246820A (en) | 1999-03-01 | 2000-09-12 | Oji Paper Co Ltd | Moisture proof waterproof cardboard sheet |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2002138390A (en) | 2002-05-14 |
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