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    Heat-shrinkable laminate film
    1.
    发明授权
    Heat-shrinkable laminate film 失效
    热收缩层压膜

    公开(公告)号：US4547433A

    公开(公告)日：1985-10-15

    申请号：US439582

    申请日：1982-11-05

    申请人： Masaki Ohya ,  Yoshiharu Nishimoto ,  Kengo Yamazaki

    发明人： Masaki Ohya ,  Yoshiharu Nishimoto ,  Kengo Yamazaki

    IPC分类号： B29B7/00 ,  B29C47/00 ,  B29C47/06 ,  B29C61/06 ,  B32B27/08 ,  B32B27/16 ,  B32B27/28 ,  B32B27/30 ,  B32B27/32 ,  C08L23/08 ,  C09D123/08 ,  B32B7/02 ,  B32B33/00 ,  B65B11/00

    CPC分类号： C08L23/0853 ,  B29C61/0616 ,  B32B27/08 ,  C08L23/0815 ,  C09D123/0853 ,  B29K2023/00 ,  B29K2023/083 ,  B29K2027/00 ,  B29K2105/045 ,  B29K2995/0058 ,  B29K2995/0065 ,  C08L2205/02 ,  Y10S428/91 ,  Y10S428/913 ,  Y10T428/31913 ,  Y10T428/3192 ,  Y10T428/31928

    摘要： Disclosed herein is a heat-shrinkable laminate film excellent in gas-barrier property and oil-resistance and heat-sealing resistance, comprisinga core layer of a gas-barrier resin which is a copolymer of vinylidene chloride or a copolymer of ethylene and vinyl alcohol, the outer layer (A) of a resin which is a copolymer (I) of ethylene and alpha-olefine having specific gravity of 0.900 to 0.950 and of a crystal melting point of 110.degree. to 130.degree. C. or a mixture of more than 20% by weight of the copolymer (I) and less than 80% by weight of a copolymer (II) of ethylene and vinyl acetate having crystal melting point of 80.degree. to 103.degree. C., the other outer layers (B) of a resin which is a cross-linked material formed from a polymer selected from the group consisting of the copolymer (I), the copolymer (II) and mixture of the copolymer (I) and the copolymer (II) by exposing the polymer to an ionizing irradiation, and two adhesive layers disposed between the core layer and the outer layers (A) and (B).

    摘要翻译： 本发明是一种耐气体阻隔性，耐油性和耐热封性优异的热收缩层压膜，其包含作为偏二氯乙烯或乙烯与乙烯醇的共聚物的共聚物的阻气性树脂的芯层 ，作为乙烯和α-烯烃的共聚物（I）的树脂的外层（A），比重为0.900〜0.950，结晶熔点为110〜130℃，或者混合比 20重量％的共聚物（I）和小于80重量％的乙烯和乙酸乙烯酯的共聚物（II），其结晶熔点为80-103℃，其它外层（B）为 树脂，其是由选自共聚物（I），共聚物（II）和共聚物（I）和共聚物（II）的混合物的聚合物形成的交联材料，通过将聚合物暴露于电离 照射，以及设置在芯层和外层之间的两个粘合剂层 （A）和（B）。

    Heat shrinkable multi-layered laminate film
    2.
    发明授权
    Heat shrinkable multi-layered laminate film 失效
    热收缩多层层压膜

    公开(公告)号：US4495249A

    公开(公告)日：1985-01-22

    申请号：US464018

    申请日：1983-02-04

    申请人： Masaki Ohya ,  Yoshiharu Nishimoto ,  Kengo Yamazaki

    发明人： Masaki Ohya ,  Yoshiharu Nishimoto ,  Kengo Yamazaki

    IPC分类号： A23L3/00 ,  B32B27/28 ,  B32B27/30 ,  B32B27/32 ,  B32B33/00 ,  B65D65/40 ,  C09J123/08

    CPC分类号： C09J123/08 ,  B32B27/30 ,  B32B27/32 ,  B32B27/322 ,  B32B33/00 ,  C09J123/0815 ,  Y10S428/913 ,  Y10T428/31913 ,  Y10T428/31928 ,  Y10T428/31935

    摘要： Disclosed herein is a heat-shrinkable multi-layered laminate film comprising a core layer made of a saponified copolymer of ethylene and vinyl acetate, two outer layers made of a mixture of a copolymer of ethylene and vinyl acetate having a crystal melting point of 85.degree. to 103.degree. C. and a copolymer of propylene and ethylene having a crystal melting point of 126.degree. to 155.degree. C. or a linear low-density polyethylene having a crystal melting point of 110.degree. to 125.degree. C. and two adhesive layers disposed between the core layer and the two outer layers, the multi-layered laminate film being excellent in gas-barrier property, oil resistance and peel-resistance of the sealed parts in the heat shrinkage and suitable for heat-shrinking packaging of foodstuffs, particularly for vacuum heat-packaging of foodstuffs.

    摘要翻译： 本发明公开了一种热收缩多层层压膜，其包含由乙烯和乙酸乙烯酯的皂化共聚物制成的芯层，两个外层由乙烯和乙酸乙烯酯的共聚物的混合物制成，其结晶熔点为85° 至103℃的共聚物和结晶熔点为126-155℃的丙烯和乙烯的共聚物，或者结晶熔点为110-125℃的线性低密度聚乙烯，并且设置两个粘合剂层 在芯层和两个外层之间，多层叠层膜在热收缩率方面的密封部件的阻气性，耐油性和耐剥离性优异，适合于食品的热收缩包装，特别是对于 真空热包装食品。

    Heat-resistant and oil-resistant laminate film and process for preparing the same
    4.
    发明授权
    Heat-resistant and oil-resistant laminate film and process for preparing the same 失效
    耐热耐油层压膜及其制备方法

    公开(公告)号：US4699846A

    公开(公告)日：1987-10-13

    申请号：US625233

    申请日：1984-06-27

    申请人： Masaki Ohya ,  Yoshiharu Nishimoto ,  Kunio Shibuya

    发明人： Masaki Ohya ,  Yoshiharu Nishimoto ,  Kunio Shibuya

    IPC分类号： B29C47/06 ,  B29C55/12 ,  B29C65/14 ,  B29C69/00 ,  B29L9/00 ,  B32B7/12 ,  B32B27/08 ,  B32B27/16 ,  B32B27/28 ,  B32B27/30 ,  B32B27/32 ,  B65D85/00

    CPC分类号： B32B27/08 ,  Y10T428/31913 ,  Y10T428/3192 ,  Y10T428/31928

    摘要： Disclosed herein are a heat-resistant and oil-resistant laminate film comprising gas-barrier resin layer(s), thermoplastic resin layer(s) different from a gas-barrier resin and adhesive layer(s) disposed between the gas-barrier resin layer and the thermoplastic resin layer, produced by co-extruding a gas-barrier resin, a thermoplastic resin and an adhesive composition and irradiating the co-extruded laminate, the total number of the layers of the laminate film being not less than 3, and the adhesive layer comprising a cross-linked polymer and the adhesive composition consisting essentially of 100 parts by weight of a melt-extrudable adhesive resin and 0.1 to 50 parts by weight of a radiation-sensitive compound, and a process for producing the heat-resistant and oil-resistant laminate film.

    摘要翻译： 本发明公开了一种耐热且耐油的层压膜，其包含阻气性树脂层，与阻气性树脂不同的热塑性树脂层和设置在阻气性树脂层之间的粘合层 和热塑性树脂层，通过共挤出阻气性树脂，热塑性树脂和粘合剂组合物并照射共挤出的层压体，层叠膜的总数不小于3，并且 粘合剂层，其包含交联聚合物和基本上由100重量份的可熔融挤出的粘合剂树脂和0.1至50重量份的辐射敏感性化合物组成的粘合剂组合物，以及制备耐热和 耐油层压膜。

    Heat-shrinkable laminated film
    8.
    发明授权
    Heat-shrinkable laminated film 失效
    热收缩层压膜

    公开(公告)号：US4963426A

    公开(公告)日：1990-10-16

    申请号：US316763

    申请日：1989-02-28

    申请人： Yoshiharu Nishimoto ,  Kengo Yamazaki

    发明人： Yoshiharu Nishimoto ,  Kengo Yamazaki

    IPC分类号： B32B7/02 ,  B32B27/08 ,  B32B27/28 ,  B32B27/34

    CPC分类号： B32B27/08 ,  Y10T428/2495 ,  Y10T428/31746

    摘要： A heat-shrinkable laminated film suitable for a packaging film, having at least two layers of a mixed aliphatic polyamide resin layer (A) of 55 to 90 wt. % of an aliphatic polyamide resin with a crystalline melting point of 175.degree. to 240.degree. C. and 45 to 10 wt % of an aliphatic polyamide resin with a crystalline melting point of from not less than 120.degree. C. to less than 175.degree. C.; and a mixed resin layer (B) of a saponified ethylene-vinyl acetate copolymer as the main constituent. These laminated films have excellent gas barrier properties, stretchability, uniform heat-shrinkability and useful dimensional stability.

    Heat-shrinkable laminate film
    9.
    发明授权
    Heat-shrinkable laminate film 失效
    热收缩层压膜

    公开(公告)号：US4424243A

    公开(公告)日：1984-01-03

    申请号：US366412

    申请日：1982-04-07

    申请人： Yoshiharu Nishimoto ,  Kengo Yamazaki

    发明人： Yoshiharu Nishimoto ,  Kengo Yamazaki

    IPC分类号： B29C47/06 ,  B29C61/06 ,  B29C61/08 ,  B32B27/08 ,  B32B27/32 ,  B32B7/02 ,  B29G7/00 ,  B65B11/00

    CPC分类号： B29C61/0616 ,  B29C47/0023 ,  B29C47/065 ,  B29C47/26 ,  B29C61/08 ,  B32B27/08 ,  B32B27/322 ,  B29C47/0026 ,  B29C47/0057 ,  B29C47/0059 ,  B29K2023/00 ,  B29K2023/083 ,  B29K2027/00 ,  B29K2995/0015 ,  B29K2995/0041 ,  B29K2995/0058 ,  B29K2995/0065 ,  B29L2023/001 ,  Y10S428/91 ,  Y10S428/913 ,  Y10T428/1328 ,  Y10T428/24975 ,  Y10T428/31913 ,  Y10T428/3192

    摘要： A heat-shrinkable multilayer laminate film possessing excellent heat resistance, oil resistance and gas-barrier properties is obtained by interposing one intermediate layer of a thermoplastic resin having a crystalline melting point of from 70.degree. to 100.degree. C. between a core layer of a vinylidene chloride copolymer and outer surface layers of an ethylene/.alpha.-olefin copolymer having a crystalline melting point of not lower than 110.degree. C. or a mixture of this ethylene/.alpha.-olefin copolymer and an .alpha.-olefin polymer having a crystalline melting point of from 80.degree. to 100.degree. C. The thus obtained laminate film can be in sheet or tubular form, and is suitable for use in packaging by heat shrinkage raw meat, processed meat, cheese and other fat-containing food. This heat-shrinkable laminate film is produced by biaxially stretching the starting laminate film at a specific temperature determined by the crystalline melting points of the resins of the intermediate layer and the outer surface layers.

    摘要翻译： 通过将具有70℃〜100℃的结晶熔点的热塑性树脂的一个中间层插入到芯层的芯层之间，获得具有优异的耐热性，耐油性和阻气性的热收缩性多层叠层膜 偏二氯乙烯共聚物和结晶熔点不低于110℃的乙烯/α-烯烃共聚物的外表面层，或该乙烯/α-烯烃共聚物与具有结晶熔点的α-烯烃聚合物的混合物 为80〜100℃。由此得到的层压膜可以是片状或管状，适用于通过热收缩生肉，加工肉，奶酪等含脂肪食品的包装。 该热收缩性层压膜通过在由中间层和外表面层的树脂的结晶熔点确定的特定温度下双轴拉伸起始层压膜来制造。