发明名称 |
MULTILAYER FILM HAVING POLYAMIDE AND POLYPROPYLENE LAYERS |
摘要 |
Multilayer films of polyamide and polypropylene which have good layer adhesion and are suitable for a back cover of a solar module are provided. In a first embodiment, the multilayer film contains in the order listed: a) a layer containing at least 35% by weight, of polyamide; c) a layer containing at least 35% by weight of a polypropylene; and e) a layer containing at least 35% by weight, of polyamide; wherein the layer c) further comprises a polypropylene having acid anhydride groups or a polypropylene compatible functionalized polyolefin having functional groups to adhere the layer c) to each of layers a) and e). In a second embodiment adhesion promoter layers are present between the respective polyamide and polypropylene layers.
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申请公布号 |
US2013092232(A1) |
申请公布日期 |
2013.04.18 |
申请号 |
US201213649379 |
申请日期 |
2012.10.11 |
申请人 |
PAWLIK ANDREAS;WIELPUETZ MARTIN;HAEGER HARALD |
发明人 |
PAWLIK ANDREAS;WIELPUETZ MARTIN;HAEGER HARALD |
分类号 |
H01L31/0203;B32B7/02;B32B27/08 |
主分类号 |
H01L31/0203 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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