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1. 发明公开

EP3251840A1 MULTILAYER FILM 有权
标题翻译：多层电影
公开(公告)号：EP3251840A1
公开(公告)日：2017-12-06
申请号：EP16743471.1
申请日：2016-01-28
申请人： Kuraray Co., Ltd.
发明人： KAWAKITA, Hiroshi , NAKANO,Kirihiro , TAKEDA, Hideaki
IPC分类号： B32B27/00 , B29C51/10 , C09J7/02 , C09J123/10 , C09J129/14 , C09J153/02 , B29K33/00
CPC分类号： B29C47/065 , B29C51/10 , B29C65/48 , B29K2009/00 , B29K2021/003 , B29K2023/12 , B29K2025/00 , B29L2009/00 , B32B27/00 , B32B27/08 , B32B27/308 , C09J7/20 , C09J7/24 , C09J123/10 , C09J129/14 , C09J153/02 , C09J153/025 , C09J2205/10 , C09J2433/006 , C09J2451/00 , C09J2453/00 , C09J2453/006
摘要： Provided are a multilayer film, a method for producing the multilayer film, and a method for producing a molded body using the multilayer film. The multilayer film: has an adhesive layer; has excellent three-dimensional overlaying formability and adhesiveness after being formed into a three-dimensional overlay; can easily be used when being bonded to an adherend; maintains adhesive strength without breaking or wrinkling in a wide range of range temperatures; and is suitable for forming a vacuum. Specifically, the multilayer film has: an adhesive layer comprising a thermoplastic polymer composition containing a thermoplastic elastomer (A) which is a block copolymer or a hydrogenated product thereof having a polymer block (a1) containing aromatic vinyl compound units and having a polymer block (a2) containing conjugated diene compound units; and a base layer comprising an amorphous resin which has a modulus of elasticity of 2 to 600 MPa at an arbitrary temperature of 110 to 160°C. The tensile elongation at break of the multilayer film at a temperature 5°C lower than the glass transition temperature of the amorphous resin is at least 160%.
摘要翻译：本发明提供一种多层膜，该多层膜的制造方法以及使用该多层膜的成型体的制造方法。多层膜：具有粘合剂层; 在形成三维覆盖层之后具有优异的三维重叠成形性和粘附性; 在粘合到被粘物上时可以很容易地使用; 在宽范围温度范围内保持粘合强度而不破裂或起皱; 并适用于形成真空。具体而言，多层膜具有：含有热塑性聚合物组合物的粘合剂层，该热塑性聚合物组合物含有作为嵌段共聚物的热塑性弹性体（A）或其氢化物，该热塑性弹性体（A）具有含芳香族乙烯基化合物单元的聚合物嵌段（a1） a2）含有共轭二烯化合物单元; 以及在110〜160℃的任意温度下具有2〜600MPa的弹性模量的无定形树脂的基底层。在比无定形树脂的玻璃化转变温度低5℃的温度下多层膜的断裂拉伸伸长率至少为160％。

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