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    Multilayered structure
    7.
    发明授权
    Multilayered structure 有权
    多层结构

    公开(公告)号：US06503588B1

    公开(公告)日：2003-01-07

    申请号：US09589805

    申请日：2000-06-09

    申请人： Nahoto Hayashi ,  Hiroyuki Shimo ,  Kaoru Nemoto ,  Kazuhiko Negishi

    发明人： Nahoto Hayashi ,  Hiroyuki Shimo ,  Kaoru Nemoto ,  Kazuhiko Negishi

    IPC分类号： B32B102

    CPC分类号： B32B27/08 ,  B32B7/12 ,  B32B27/30 ,  B32B27/306 ,  B32B27/32 ,  B32B2323/10 ,  B32B2439/70 ,  Y10S428/91 ,  Y10T428/1379 ,  Y10T428/1383 ,  Y10T428/24967 ,  Y10T428/24975 ,  Y10T428/31913 ,  Y10T428/31928

    摘要： The present invention provides a multilayered structure where an A layer made of an ethylene-vinyl alcohol copolymer resin (A) and a C layer made of a polypropylene resin (C) are laminated via a B layer made of an adhesive resin (B). The ethylene content of the ethylene-vinyl alcohol copolymer resin (A) is 20 to 60 mol %, and the saponification degree of the resin (A) is at least 90%. The melt flow rate (MFR) of the polypropylene resin (C) at 230° C. under a load of 2160 g is in the range from 0.1 to 100 g/10 min, and the stereoregularity index [M5] of the polypropylene resin (C) is at least 0.950. Such a multilayered structure has excellent gas barrier properties and moldability.

    摘要翻译： 本发明提供一种多层结构，其中由乙烯 - 乙烯醇共聚物树脂（A）制成的A层和由聚丙烯树脂（C）制成的C层通过由粘合树脂（B）制成的B层层压。 乙烯 - 乙烯醇共聚物树脂（A）的乙烯含量为20〜60摩尔％，树脂（A）的皂化度为90％以上。 聚丙烯树脂（C）在230℃，2160g负荷下的熔体流动速率（MFR）为0.1〜100g / 10分钟，聚丙烯树脂的立构规整度指数[M5] C）至少为0.950。 这种多层结构具有优异的阻气性和成型性。

    Multi-Layer Structure and Process for Production Thereof
    8.
    发明申请
    Multi-Layer Structure and Process for Production Thereof 审中-公开
    多层结构及其生产工艺

    公开(公告)号：US20080003390A1

    公开(公告)日：2008-01-03

    申请号：US11587981

    申请日：2005-04-27

    申请人： Nahoto Hayashi ,  Hiroyuki Shindome ,  Tomoyuki Watanabe ,  Naoki Kataoka

    发明人： Nahoto Hayashi ,  Hiroyuki Shindome ,  Tomoyuki Watanabe ,  Naoki Kataoka

    IPC分类号： B32B27/08 ,  B29B7/00

    CPC分类号： B32B27/30 ,  B32B27/32 ,  Y10T428/1379 ,  Y10T428/27 ,  Y10T428/31909

    摘要： A multi-layer structure comprising a layer of an ethylene-vinyl alcohol copolymer (A), a layer of a carboxylic acid-modified polyolefin (B), a layer of a thermoplastic resin (C) having a solubility parameter of 11 or less, and a layer of a resin composition (E), wherein the resin composition (E) comprises an ethylene-vinyl alcohol copolymer (A), a carboxylic acid-modified polyolefin (B), a thermoplastic resin (C) and a thermoplastic resin (D) having at least one functional group selected from the group consisting of a boronic acid group and boron-containing groups capable of being converted into a boronic acid group in the presence of water, and the layer of an ethylene-vinyl alcohol copolymer (A) is laminated with the layer of a thermoplastic resin (C) or the layer of a resin composition (E) through the layer of a carboxylic acid-modified polyolefin (B). This provides a multi-layer structure which allows effective reuse of regrind and which is excellent in impact resistance and gas barrier properties.

    摘要翻译： 一种多层结构，其包含乙烯 - 乙烯醇共聚物（A），羧酸改性聚烯烃（B）层，溶解度参数为11以下的热塑性树脂（C）层， 和树脂组合物（E）层，其中树脂组合物（E）包含乙烯 - 乙烯醇共聚物（A），羧酸改性聚烯烃（B），热塑性树脂（C）和热塑性树脂（ D）具有至少一种选自硼酸基团和能够在水存在下转化为硼酸基团的含硼基团的官能团，并且乙烯 - 乙烯醇共聚物（A ）与热塑性树脂（C）层或树脂组合物（E）层通过羧酸改性聚烯烃（B）层层压。 这提供了多层结构，其允许有效地再利用回收物，并且其耐冲击性和阻气性优异。