发明名称 |
Microporous polyolefin film |
摘要 |
A microporous polyolefin film that comprises polyethylene and polypropylene as essential components and is composed of a laminate film of two or more layers, wherein the percentage of polypropylene blended in at least one surface layer of the film is more than 50% by weight and 95% by weight or less and the content of polyethylene in the entire film is 50% or more and 95% or less.
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申请公布号 |
US7618743(B2) |
申请公布日期 |
2009.11.17 |
申请号 |
US20040551465 |
申请日期 |
2004.04.02 |
申请人 |
ASAHI KASEI CHEMICALS CORPORATION |
发明人 |
OHASHI MASAHIRO;KONDO TAKAHIKO |
分类号 |
H01M2/16;B32B27/32;H01M4/58 |
主分类号 |
H01M2/16 |
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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