发明名称 |
POLYOLEFIN MICROPOROUS FILM AND METHOD FOR PRODUCING SAME |
摘要 |
Provided are a polyolefin microporous membrane produced by forming a gel-like molding using a polyolefin resin containing polypropylene, and stretching the molding in at least one direction, followed by washing, the polyolefin microporous membrane having an injection of electrolyte of 20 seconds or less and a uniform polypropylene distribution in at least one plane perpendicular to the thickness direction, and a method of producing the same. Also provided is a polyolefin microporous membrane excellent in oxidation resistance, mechanical properties, and permeability. |
申请公布号 |
EP2799475(B1) |
申请公布日期 |
2017.03.08 |
申请号 |
EP20120862936 |
申请日期 |
2012.12.12 |
申请人 |
Toray Battery Separator Film Co., Ltd. |
发明人 |
ISHIHARA, Takeshi;KONO, Koichi |
分类号 |
C08J9/28;B29C47/00;B29C55/12;B29D99/00;B29L31/00;C08L23/06;H01M2/14;H01M2/16 |
主分类号 |
C08J9/28 |
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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