发明名称 |
MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, BATTERY SEPARATOR, AND BATTERY |
摘要 |
<p>A microporous polyolefin membrane comprising a polyethylene resin, and polypropylene having a weight-average molecular weight of 6×105 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 1.8×106 or more being 10% or more by mass of the polypropylene.</p> |
申请公布号 |
KR101372983(B1) |
申请公布日期 |
2014.03.11 |
申请号 |
KR20087030360 |
申请日期 |
2007.05.15 |
申请人 |
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发明人 |
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分类号 |
B29C67/20;C08J9/00;C08L21/00;H01M2/16 |
主分类号 |
B29C67/20 |
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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