JP2000238225A - Heat insulating paper laminate - Google Patents
Heat insulating paper laminateInfo
- Publication number
- JP2000238225A JP2000238225A JP11044766A JP4476699A JP2000238225A JP 2000238225 A JP2000238225 A JP 2000238225A JP 11044766 A JP11044766 A JP 11044766A JP 4476699 A JP4476699 A JP 4476699A JP 2000238225 A JP2000238225 A JP 2000238225A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- paper
- water
- paper laminate
- thermoplastic resin
- 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.)
- Granted
Links
Landscapes
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、発泡層を紙基材に
施した断熱性紙積層体に関するものりであり、更に詳し
くは、コーヒーや即席ラメーンなどを熱湯を注いで飲食
する断熱性容器に用いる断熱性紙積層体に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat-insulating paper laminate in which a foam layer is applied to a paper substrate, and more particularly, to a heat-insulating container for pouring and drinking coffee, instant lameen, etc. by pouring hot water into the container. The present invention relates to a heat-insulating paper laminate used for the present invention.
【０００２】[0002]
【従来の技術】従来、断熱カップなどに用いる断熱性に
優れる壁体として、発泡ポリスチレン性の壁体が使用さ
れていて、この発泡ポリスチレンは製造が容易であり、
発泡倍率が高く断熱効果もあるため、広く使用されてき
た。2. Description of the Related Art Conventionally, a foamed polystyrene wall has been used as a wall having excellent heat insulating properties for use in a heat insulating cup and the like, and this foamed polystyrene is easy to produce.
It has been widely used because of its high foaming ratio and heat insulation effect.
【０００３】しかし、近年廃棄物の増加に伴い、省資源
とともに、これらの焼却処理において環境ホルモン等の
問題が指摘され、極力使用しない方向で代替品の開発が
なされている。However, with the increase in waste in recent years, problems such as environmental hormones have been pointed out in these incineration treatments in addition to resource saving, and alternatives have been developed in the direction of minimizing the use.
【０００４】その一つの方法として、例えば特公昭４８
−３２２８３号公報に開示されているように、熱可塑性
合成樹脂をラミネートした紙を加熱し、紙に含まれる水
分が蒸発する際に、表面の熱可塑性合成樹脂フィルムを
発泡させて断熱性に優れる壁体として使用する方法が知
られている。As one of the methods, for example, Japanese Patent Publication No. Sho 48
As disclosed in JP-A-32283, the paper on which the thermoplastic synthetic resin is laminated is heated, and when the moisture contained in the paper evaporates, the thermoplastic synthetic resin film on the surface is foamed to provide excellent heat insulating properties. Methods for use as walls are known.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記方
法では、熱可塑性合成樹脂フィルムの発泡倍率がそれほ
ど高くなく、断熱性が不十分なものであった。また、熱
可塑性合成樹脂フィルムの発泡倍率が紙の水分含有率に
より左右され、水分含有率が低い場合には十分発泡しな
かったり、高い場合には発泡は十分であるが、紙の強度
が低下する等の問題があり、品質を管理するのが困難で
あった。However, according to the above method, the foaming ratio of the thermoplastic synthetic resin film is not so high, and the heat insulating property is insufficient. In addition, the expansion ratio of the thermoplastic synthetic resin film depends on the moisture content of the paper. When the moisture content is low, foaming is not sufficient, and when the moisture content is high, foaming is sufficient, but the strength of the paper decreases. And it was difficult to control the quality.
【０００６】本発明は、かかる従来技術の問題点を解決
するものであり、その課題とするところは、紙にラミネ
ートした熱可塑性樹脂層の発泡倍率を高く、かつ発泡倍
率の品質管理が容易な断熱性紙積層体を提供することに
ある。The present invention has been made to solve the problems of the prior art, and has as its object to increase the expansion ratio of a thermoplastic resin layer laminated on paper and to easily control the quality of the expansion ratio. It is to provide a heat insulating paper laminate.
【０００７】[0007]
【課題を解決するための手段】本発明に於いて上記課題
を達成するために、まず請求項１の発明では、紙基材に
接着剤層を介して熱可塑性樹脂層をラミネートしてなる
紙積層体において、前記接着剤層が、アミン系などの水
溶性接着剤でなり、前記熱可塑性樹脂層を１００℃〜２
００℃の雰囲気中で発泡させてなることを特徴とする断
熱性紙積層体としたものである。Means for Solving the Problems In order to achieve the above-mentioned object in the present invention, first, according to the first aspect of the present invention, there is provided a paper made by laminating a thermoplastic resin layer on a paper base via an adhesive layer. In the laminate, the adhesive layer is made of a water-soluble adhesive such as an amine-based resin, and the thermoplastic resin layer is formed at a temperature of 100 ° C to 2 ° C.
A heat insulating paper laminate characterized by being foamed in an atmosphere of 00 ° C.
【０００８】また、請求項２の発明では、前記接着剤層
が、イミン系などの水溶性接着剤に１００℃〜２００℃
でガスが発生するガス発生物質を添加してなることを特
徴とする請求項１記載の断熱性紙積層体としたものであ
る。[0008] In the invention of claim 2, the adhesive layer is applied to a water-soluble adhesive such as an imine-based adhesive at 100 ° C to 200 ° C.
2. A heat-insulating paper laminate according to claim 1, wherein a gas-generating substance which generates gas is added.
【０００９】また、請求項３の発明では、前記ガス発生
物質が、炭酸水素塩もしくは炭酸塩であることを特徴と
する請求項１または２記載の断熱性紙積層体としたもの
である。According to a third aspect of the present invention, the gas-generating substance is a bicarbonate or a carbonate, and the heat-insulating paper laminate according to the first or second aspect is provided.
【００１０】[0010]
【発明の実施の形態】以下本発明の実施の形態を説明す
る。本発明の断熱性紙積層体は、図１に示すように、紙
基材（１０）に接着剤層（２０）を介して熱可塑性樹脂
層（３０）をラミネートしてなる紙積層体において、前
記熱可塑性樹脂層（３０）が１００℃〜２００℃の雰囲
気中で発泡してなる断熱性紙積層体（１）であって、前
記接着剤層（２０）がアミン系などの水溶性接着剤でな
るものである。Embodiments of the present invention will be described below. As shown in FIG. 1, the heat-insulating paper laminate of the present invention is a paper laminate obtained by laminating a thermoplastic resin layer (30) on a paper base (10) via an adhesive layer (20). A heat-insulating paper laminate (1) in which the thermoplastic resin layer (30) is foamed in an atmosphere at 100 ° C to 200 ° C, wherein the adhesive layer (20) is a water-soluble adhesive such as an amine-based adhesive. It consists of
【００１１】また、上記接着剤層（２０）が、上記のイ
ミン系などの水溶性接着剤に１００℃〜２００℃でガス
が発生するガス発生物質を添加してなるもので、このガ
ス発生物質として、炭酸水素塩や炭酸塩などであること
を特徴としたものである。The adhesive layer (20) is formed by adding a gas-generating substance which generates gas at 100 ° C. to 200 ° C. to the above-mentioned water-soluble adhesive such as an imine-based adhesive. Is characterized by being a bicarbonate or a carbonate.
【００１２】上記のように、本発明の断熱性紙積層体
（１）は、熱可塑性樹脂フィルム（３０）を紙基材（１
０）にラミネートする際に、水溶性接着剤を使用するこ
とにより紙基材（１０）に強制的に水分を含有させるこ
とが可能で、１００℃から２００℃のオーブン中等で熱
可塑性樹脂層（３０）を紙基材（１０）中の水分で発泡
させる際、充分な水分を含んでいるため高発泡品を得る
ことができる。As described above, the heat-insulating paper laminate (1) of the present invention comprises the thermoplastic resin film (30) and the paper base (1).
At the time of laminating to (0), it is possible to forcibly contain water in the paper substrate (10) by using a water-soluble adhesive, and the thermoplastic resin layer (100) is heated in an oven at 100 ° C. to 200 ° C. When foaming 30) with moisture in the paper base material (10), a highly foamed product can be obtained because it contains sufficient moisture.
【００１３】また、イミン系などの水溶性接着剤の溶媒
として、メタノールも使用することができるため、オー
ブン中等で発泡させる際、そのメタノールも揮発しガス
となり高発泡品を得ることができる。Further, since methanol can also be used as a solvent for a water-soluble adhesive such as an imine-based adhesive, when foaming is carried out in an oven or the like, the methanol volatilizes and becomes a gas, so that a highly foamed product can be obtained.
【００１４】さらにまた、１５０℃程度で熱分解し二酸
化炭素を発生する炭酸水素ナトリウム等のガス発生物質
も水溶性接着剤に添加して接着剤層（２０）とすること
によって、更に発泡倍率を上げることができる。Further, a gas-generating substance such as sodium bicarbonate, which thermally decomposes at about 150 ° C. to generate carbon dioxide, is added to the water-soluble adhesive to form an adhesive layer (20), thereby further increasing the expansion ratio. Can be raised.
【００１５】単純に、上記水，メタノールあるいは１０
０〜２００℃で分解しガスを発生するガス発生物質を紙
に含ませると紙の強度などが低下してしまうが、本発明
のように、水溶性接着剤にそれらを含有させることによ
って、紙の膨潤による紙の強度の低下等が起こらず紙に
揮発分を含有させることができる。[0015] Simply, water, methanol or 10
When paper contains a gas generating substance that decomposes at 0 to 200 ° C. to generate gas, the strength of the paper and the like is reduced. However, by including them in a water-soluble adhesive as in the present invention, paper Swelling does not cause a decrease in the strength of the paper and the like, and the paper can contain volatile components.
【００１６】本発明の断熱性紙積層体（１）を構成する
接着剤層（２０）とする接着剤としては、イミン系ある
いはウレタン系，エステル系等の有機系、ポリブテン系
等の水溶性接着剤が挙げられ、そのため、この接着剤に
含有させる１００℃〜２００℃で分解する物質が溶解し
やすい溶媒を選定することができる。The adhesive used as the adhesive layer (20) constituting the heat-insulating paper laminate (1) of the present invention may be an imine-based or urethane-based or ester-based organic or polybutene-based water-soluble adhesive. Therefore, a solvent in which a substance that decomposes at 100 ° C. to 200 ° C. contained in the adhesive is easily dissolved can be selected.
【００１７】また、水溶性接着剤に含有するガスを発生
させるガス発生物質としては、炭酸水素ナトリウム，炭
酸水素アンモニウム，炭酸水素カリウムなどの炭酸水素
塩，炭酸ナトリウム，炭酸アンモニウムなどの炭酸塩が
好適に用いることができ、水溶性接着剤に溶解しにくい
が亜硝酸塩水素化物などの無機化合物，アゾ化合物，ニ
トロソ化合物，ヒドラジン誘導体，セミカルバジド化合
物，アジド化合物，トリアゾール化合物などの有機系化
合物も使用できないこともない。要するに１００℃から
２００℃で分解する物質であれば使用可能であり、でき
れば水に溶けやすいものが望ましい。As the gas generating substance for generating a gas contained in the water-soluble adhesive, a hydrogen carbonate such as sodium hydrogen carbonate, ammonium hydrogen carbonate, potassium hydrogen carbonate and the like, and a carbonate such as sodium carbonate and ammonium carbonate are preferable. It is difficult to dissolve in water-soluble adhesives, but it cannot use inorganic compounds such as nitrite hydride, and organic compounds such as azo compounds, nitroso compounds, hydrazine derivatives, semicarbazide compounds, azide compounds, and triazole compounds. Nor. In short, any substance that decomposes at 100 ° C. to 200 ° C. can be used, and if possible, a substance that easily dissolves in water is desirable.
【００１８】また、本発明の断熱性紙積層体（１）を構
成する熱可塑性樹脂層（３０）としては、ポリエチレ
ン、ポリプロピレンなどが挙げられ、特に直鎖低密度ポ
リエチレン、低密度ポリエチレンのような発泡し易い樹
脂が好適に使用することができる。The thermoplastic resin layer (30) constituting the heat insulating paper laminate (1) of the present invention includes polyethylene, polypropylene and the like, and particularly, such as linear low density polyethylene and low density polyethylene. A resin that easily foams can be suitably used.
【００１９】[0019]
【実施例】次に実施例により、本発明を具体的に説明す
る。 〈実施例１〉図１に示す紙基材（１０）として米坪量２
２０ｇ／ｍ2 のノーコートマニラの表面に、直鎖低密度
ポリエチレン（ＬＬＤＰＥ：ＭＦＲ１０、密度０．９３
５）を３２０℃で押し出して、厚さ２０μｍの表面樹脂
層（４０）をラミネートした。Next, the present invention will be described in detail with reference to examples. <Example 1> As the paper base material (10) shown in FIG.
On a surface of 20 g / m 2 of uncoated manila, linear low-density polyethylene (LLDPE: MFR10, density 0.93
5) was extruded at 320 ° C., and a surface resin layer (40) having a thickness of 20 μm was laminated.
【００２０】次に、上記の紙基材（１０）の裏面に、イ
ミン系の接着剤ＥＬ−４２０（東洋モートン社製）／メ
タノール／水の配合比を７．０／６０／４０とした水溶
性接着剤を１５０線深度６０μｍのグラビア格子版で塗
工して接着剤層（２０）とし、その上に熱可塑性樹脂層
（３０）として、低密度ポリエチレン（ＬＤＰＥ：ＭＦ
Ｒ１４，密度０．９１５）を３００℃で押し出し、厚さ
５０μｍでラミネートして紙積層体とした。Next, an aqueous solution of imine-based adhesive EL-420 (manufactured by Toyo Morton Co., Ltd.) / Methanol / water with a mixing ratio of 7.0 / 60/40 was formed on the back surface of the paper substrate (10). The adhesive is coated with a gravure grid plate having a 150-line depth of 60 μm to form an adhesive layer (20), on which a thermoplastic resin layer (30) is formed as a low-density polyethylene (LDPE: MF
R14, density 0.915) was extruded at 300 ° C. and laminated with a thickness of 50 μm to obtain a paper laminate.
【００２１】上記で得られた紙積層体を１３０℃のオー
ブン中に１２０秒間入れ、紙に含有された水分と，接着
剤の水分の蒸発により熱可塑性樹脂層（３０）を発泡さ
せて断熱性紙積層体（１）を得た。The paper laminate obtained above is placed in an oven at 130 ° C. for 120 seconds, and the moisture contained in the paper and the moisture of the adhesive are evaporated to foam the thermoplastic resin layer (30), thereby providing heat insulation. A paper laminate (1) was obtained.
【００２２】〈比較例１〉水溶性接着剤を使用せず、熱
可塑性樹脂層（３０）としてＬＤＰＥの押出温度３２０
℃で熱によるラミネート方法とした以外は、実施例１と
同様にして紙積層体を得た。<Comparative Example 1> An extrusion temperature of LDPE of 320 was used as the thermoplastic resin layer (30) without using a water-soluble adhesive.
A paper laminate was obtained in the same manner as in Example 1 except that the method of lamination by heat was used at a temperature of ° C.
【００２３】〈実施例２〉図１に示す紙基材（１０）と
して米坪量３２０ｇ／ｍ2 のノーコートマニラの表面に
低密度ポリエチレン（ＬＤＰＥ：ＭＦＲ１０，密度０．
９５０）を３２０℃で押し出して厚さ２０μｍの表面樹
脂層（４０）をラミネートした。[0023] <Example 2> paper substrate shown in FIG. 1 (10) as a basis weight amount 320 g / m 2 no-coat Manila surface low density polyethylene (LDPE: MFR10, density 0.
950) was extruded at 320 ° C. to laminate a surface resin layer (40) having a thickness of 20 μm.
【００２４】次に、上記の紙基材（１０）の裏面に、イ
ミン系の接着剤ＥＬ−４２０（東洋モートン社製）／メ
タノール／水の配合比を７．０／６０／４０とした水溶
性接着剤に、重量比で３％のＮａＨＣＯ3 を添加し、１
５０線深度６０μｍのグラビア格子版で塗工して接着剤
層（２０）とし、その上に熱可塑性樹脂層（３０）とし
て、低密度ポリエチレン（ＬＤＰＥ：ＭＦＲ１０，密度
０．９１０）を２４０℃で押し出し、厚さ３０μｍでラ
ミネートして紙積層体とした。Next, an aqueous solution of imine adhesive EL-420 (manufactured by Toyo Morton Co., Ltd.) / Methanol / water with a mixing ratio of 7.0 / 60/40 was provided on the back surface of the paper substrate (10). 3% by weight of NaHCO 3 was added to the adhesive,
Coating with a gravure grid plate having a 50-line depth of 60 μm to form an adhesive layer (20), and a low-density polyethylene (LDPE: MFR10, density 0.910) as a thermoplastic resin layer (30) thereon at 240 ° C. Extruded and laminated with a thickness of 30 μm to obtain a paper laminate.
【００２５】上記で得られた紙積層体を１３０℃のオー
ブン中に１２０秒間入れ、ＮａＨＣＯ3 の熱分解による
ＣＯ2 ガスの発生および紙に含有された水分と，接着剤
の水分の蒸発により熱可塑性樹脂層（３０）を発泡させ
て断熱性紙積層体（１）を得た。The paper laminate obtained above was placed in an oven at 130 ° C. for 120 seconds, and CO 2 gas was generated by thermal decomposition of NaHCO 3 , and the water contained in the paper and the water vapor of the adhesive were evaporated. The heat insulating paper laminate (1) was obtained by foaming the plastic resin layer (30).
【００２６】〈比較例２〉水溶性接着剤およびそれに添
加したＮａＨＣＯ3 を使用しない以外は、実施例２と同
様にして断熱性紙積層体を得た。Comparative Example 2 A heat-insulating paper laminate was obtained in the same manner as in Example 2 except that the water-soluble adhesive and NaHCO 3 added thereto were not used.
【００２７】〈実施例３〉図１に示す紙基材（１０）と
して米坪量３２０ｇ／ｍ2 のノーコートマニラの表面に
低密度ポリエチレン（ＬＤＰＥ：ＭＦＲ１０，密度０．
９５０）を２４０℃で押し出して厚さ２０μｍの表面樹
脂層（４０）をラミネートした。Example 3 A low-density polyethylene (LDPE: MFR10, density of 0.1 g / m 2 ) was coated on a surface of uncoated manila having a basis weight of 320 g / m 2 as a paper base (10) as shown in FIG.
950) was extruded at 240 ° C. to laminate a surface resin layer (40) having a thickness of 20 μm.
【００２８】次に、上記の紙基材（１０）の裏面に、イ
ミン系の接着剤ＥＬ−４２０（東洋モートン社製）／メ
タノール／水の配合比を２０／６０／４０とした水溶性
接着剤に、重量比で１％のＮａＨＣＯ3 を添加し、１５
０線深度６０μｍのグラビア格子版で塗工して接着剤層
（２０）とし、その上に熱可塑性樹脂層（３０）とし
て、低密度ポリエチレン（ＬＤＰＥ：ＭＦＲ１０，密度
０．９１０）を３２０℃で押し出し、厚さ３０μｍでラ
ミネートして紙積層体とした。Next, a water-soluble adhesive having an imine adhesive EL-420 (manufactured by Toyo Morton Co., Ltd.) / Methanol / water with a mixing ratio of 20/60/40 was applied to the back surface of the paper substrate (10). 1% by weight of NaHCO 3 was added to
Coating with a gravure grid plate having a 0-line depth of 60 μm to form an adhesive layer (20), and a low-density polyethylene (LDPE: MFR10, density 0.910) as a thermoplastic resin layer (30) thereon at 320 ° C. Extruded and laminated with a thickness of 30 μm to obtain a paper laminate.
【００２９】上記で得られた紙積層体を１３０℃オーブ
ン中に１２０秒入れ、ＮａＨＣＯ3の熱分解による二酸
化炭素ガスの発生および紙に含有された水分と，接着剤
の水分の蒸発により熱可塑性樹脂層（３０）を発泡させ
て断熱性紙積層体（１）を得た。The above-obtained paper laminate is placed in an oven at 130 ° C. for 120 seconds to generate carbon dioxide gas by thermal decomposition of NaHCO 3 and to evaporate the moisture contained in the paper and the moisture of the adhesive to obtain a thermoplastic resin. The heat insulating paper laminate (1) was obtained by foaming the resin layer (30).
【００３０】〈比較例３〉水溶性接着剤およびそれに添
加したＮａＨＣＯ3 を使用しない以外は、実施例３と同
様にして断熱性紙積層体を得た。Comparative Example 3 A heat insulating paper laminate was obtained in the same manner as in Example 3 except that the water-soluble adhesive and NaHCO 3 added thereto were not used.
【００３１】上記実施例１〜３および比較例１〜３で得
られた熱可塑性樹脂層（３０）の発泡前後の厚みを表１
に示した。Table 1 shows the thickness of the thermoplastic resin layer (30) obtained in Examples 1 to 3 and Comparative Examples 1 to 3 before and after foaming.
It was shown to.
【００３２】[0032]
【表１】 [Table 1]
【００３３】表１より、紙基材（１０）と熱可塑性樹脂
層（３０）の接着にイミン系などの水溶性接着剤を用る
ことによって、熱可塑性樹脂フィルム（３０）の発泡倍
率を高めることができ、この接着剤に炭酸水素塩等でな
るガス発生物質を添加することによってさらに発泡倍率
を高めることができた。また、水溶性接着剤樹脂の量
（溶媒に対する比）を多くするとさらに発泡倍率を高め
ることができた。According to Table 1, the foaming ratio of the thermoplastic resin film (30) is increased by using an imine-based water-soluble adhesive for bonding the paper substrate (10) and the thermoplastic resin layer (30). The foaming ratio could be further increased by adding a gas generating substance such as a hydrogen carbonate to the adhesive. When the amount of the water-soluble adhesive resin (the ratio to the solvent) was increased, the expansion ratio could be further increased.
【００３４】[0034]
【発明の効果】本発明は以上の構成であるから、下記に
示す如き効果がある。即ち、紙基材に接着剤層を介して
熱可塑性樹脂層をラミネートしてなる紙積層体におい
て、前記接着剤層がイミン系などの水溶性接着剤でな
り、前記熱可塑性樹脂層が、１００℃〜２００℃の雰囲
気中で発泡してなる断熱性紙積層体としたので、紙基材
中の充分な水分と水溶性接着剤の溶媒として使用できる
メタノールも揮発ガスとなり発泡倍率の高い熱可塑性樹
脂層を得ることができ、発泡倍率の品質管理が容易な断
熱性紙積層体とすることができる。As described above, the present invention has the following effects. That is, in a paper laminate obtained by laminating a thermoplastic resin layer on a paper base via an adhesive layer, the adhesive layer is made of a water-soluble adhesive such as imine, and the thermoplastic resin layer is made of 100 Since it is a heat insulating paper laminate formed by foaming in an atmosphere at a temperature of from 200 ° C. to 200 ° C., sufficient moisture in the paper base and methanol which can be used as a solvent for a water-soluble adhesive also become volatile gas and a thermoplastic having a high expansion ratio. A resin layer can be obtained, and a heat-insulating paper laminate in which quality control of the expansion ratio is easy can be obtained.
【００３５】また、前記接着剤層として、上記のイミン
系などの水溶性接着剤に１００℃〜２００℃でガスが発
生するガス発生物質を添加したので、二酸化炭素などの
ガスによってさらに発泡倍率の高い熱可塑性樹脂層を得
ることができる。As the adhesive layer, a gas-generating substance which generates gas at 100 ° C. to 200 ° C. is added to the above-mentioned water-soluble adhesive such as an imine-based adhesive. A high thermoplastic resin layer can be obtained.
【００３６】従って本発明は、コーヒーや即席ラーメン
の如く熱湯を注いで飲食する断熱性カップの如き用途に
おいて、優れた実用上の効果を発揮する。Therefore, the present invention exerts an excellent practical effect in applications such as a heat-insulating cup for pouring and drinking hot water such as coffee and instant noodles.
【図１】本発明の断熱性紙積層体の一実施の形態を側断
面で表した説明図である。FIG. 1 is an explanatory diagram showing one embodiment of a heat insulating paper laminate of the present invention in a side cross section.
１‥‥断熱性紙積層体 １０‥‥紙基材 ２０‥‥接着剤層 ３０‥‥熱可塑性樹脂層 ４０‥‥表面樹脂層 1 Heat insulation paper laminate 10 Paper base material 20 Adhesive layer 30 Thermoplastic resin layer 40 Surface resin layer
フロントページの続き Ｆターム(参考） 4F074 AA17 AA20 AA24 BA02 BA03 BA04 BA05 BA12 BA34 BA73 CA29 CC24X CC32Z DA20 DA34 4F100 AA08C AH03H AK01B AK06 AK31C AK41G AK51G AR00C BA03 BA04 BA10A BA10B CA01C DG10A DJ01 DJ04C EJ02C EJ022 EJ422 GB16 GB23 JB09C JB16B JJ03 JL11C Continued on the front page F-term (reference) 4F074 AA17 AA20 AA24 BA02 BA03 BA04 BA05 BA12 BA34 BA73 CA29 CC24X CC32Z DA20 DA34 4F100 AA08C AH03H AK01B AK06 AK31C AK41G AK51G AR00C BA03 BA04 BA10A BA10B DJ01 EJBJ01 JL11C
Claims (3)
をラミネートしてなる紙積層体において、前記接着剤層
が、アミン系などの水溶性接着剤でなり、前記熱可塑性
樹脂フィルムを１００℃〜２００℃の雰囲気中で発泡さ
せてなることを特徴とする断熱性紙積層体。1. A paper laminate comprising a paper base material and a thermoplastic resin layer laminated via an adhesive layer, wherein the adhesive layer comprises a water-soluble adhesive such as an amine-based resin, and the thermoplastic resin A heat-insulating paper laminate, wherein the film is foamed in an atmosphere of 100C to 200C.
着剤に１００℃〜２００℃でガスが発生するガス発生物
質を添加してなることを特徴とする請求項１記載の断熱
性紙積層体。2. The heat insulating property according to claim 1, wherein the adhesive layer is formed by adding a gas generating substance which generates gas at 100 ° C. to 200 ° C. to a water-soluble adhesive such as an imine-based adhesive. Paper laminate.
炭酸塩であることを特徴とする請求項１または２記載の
断熱性紙積層体。3. The heat insulating paper laminate according to claim 1, wherein the gas generating substance is a hydrogen carbonate or a carbonate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04476699A JP3661473B2 (en) | 1999-02-23 | 1999-02-23 | Thermal insulation paper laminate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP04476699A JP3661473B2 (en) | 1999-02-23 | 1999-02-23 | Thermal insulation paper laminate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000238225A true JP2000238225A (en) | 2000-09-05 |
| JP3661473B2 JP3661473B2 (en) | 2005-06-15 |
Family
ID=12700554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP04476699A Expired - Fee Related JP3661473B2 (en) | 1999-02-23 | 1999-02-23 | Thermal insulation paper laminate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3661473B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008105413A (en) * | 2006-09-26 | 2008-05-08 | Power Bank System:Kk | Aluminum sheet with adhesive, molded product using it and its manufacturing method |
| JP2014069530A (en) * | 2012-10-01 | 2014-04-21 | Tosoh Corp | Foamed laminate |
| JP2015098109A (en) * | 2013-11-18 | 2015-05-28 | 東ソー株式会社 | Method for manufacturing foam laminate, and foam laminate |
| WO2020153357A1 (en) * | 2019-01-22 | 2020-07-30 | 積水化学工業株式会社 | Adhesive tape, and method for producing same |
| CN111977722A (en) * | 2020-09-01 | 2020-11-24 | 舒城县明公农业开发有限责任公司 | Self-floating water quality improving device for aquaculture |
| JP2022034718A (en) * | 2020-08-19 | 2022-03-04 | 王子ホールディングス株式会社 | Foamed heat insulation paper base paper, laminate, foamed heat insulation paper container |
-
1999
- 1999-02-23 JP JP04476699A patent/JP3661473B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008105413A (en) * | 2006-09-26 | 2008-05-08 | Power Bank System:Kk | Aluminum sheet with adhesive, molded product using it and its manufacturing method |
| JP2014069530A (en) * | 2012-10-01 | 2014-04-21 | Tosoh Corp | Foamed laminate |
| JP2015098109A (en) * | 2013-11-18 | 2015-05-28 | 東ソー株式会社 | Method for manufacturing foam laminate, and foam laminate |
| WO2020153357A1 (en) * | 2019-01-22 | 2020-07-30 | 積水化学工業株式会社 | Adhesive tape, and method for producing same |
| JP7453907B2 (en) | 2019-01-22 | 2024-03-21 | 積水化学工業株式会社 | Adhesive tape and its manufacturing method |
| JP2022034718A (en) * | 2020-08-19 | 2022-03-04 | 王子ホールディングス株式会社 | Foamed heat insulation paper base paper, laminate, foamed heat insulation paper container |
| JP7443983B2 (en) | 2020-08-19 | 2024-03-06 | 王子ホールディングス株式会社 | Foam insulation paper base paper, laminates, foam insulation paper containers |
| CN111977722A (en) * | 2020-09-01 | 2020-11-24 | 舒城县明公农业开发有限责任公司 | Self-floating water quality improving device for aquaculture |
| CN111977722B (en) * | 2020-09-01 | 2022-09-16 | 舒城县明公农业开发有限责任公司 | Self-floating water quality improving device for aquaculture |
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| Publication number | Publication date |
|---|---|
| JP3661473B2 (en) | 2005-06-15 |
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