发明申请
- 专利标题： MICROPOROUS POLYOLEFIN MEMBRANE, ITS PRODUCTION METHOD, AND BATTERY SEPARATOR
- 专利标题（中）： 微波多孔膜及其生产方法和电池分离器
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申请号： US11383260申请日： 2006-05-15
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公开(公告)号： US20070264483A1公开(公告)日： 2007-11-15
- 发明人: Hiroyuki Ozaki , Kotaro Kimishima , Koichi Kono , Patrick Brant , Zerong Lin , Jeffrey Brinen
- 申请人： Hiroyuki Ozaki , Kotaro Kimishima , Koichi Kono , Patrick Brant , Zerong Lin , Jeffrey Brinen
- 专利权人： TONEN CHEMICAL CORPORATION
- 当前专利权人： TONEN CHEMICAL CORPORATION
- 主分类号： C06B21/00
- IPC分类号： C06B21/00 ; B32B3/26 ; B29C55/00 ; H05B6/00
摘要：
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.