发明名称 |
MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, BATTERY SEPARATOR, AND BATTERY |
摘要 |
A microporous polyolefin membrane comprising a polyethylene resin, and polypropylene having a weight-average molecular weight of 6x10<SUP>5 </SUP>or more and a heat of fusion of 90 J/g or more (measured by a differential scanning calorimeter), a fraction having a molecular weight of 5x10<SUP>4 </SUP>or less being 5% or less by mass of the polypropylene. |
申请公布号 |
KR101389781(B1) |
申请公布日期 |
2014.04.29 |
申请号 |
KR20087030356 |
申请日期 |
2007.05.15 |
申请人 |
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发明人 |
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分类号 |
C08J9/22;H01M2/16;H01M10/05 |
主分类号 |
C08J9/22 |
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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