发明名称 |
POLYOLEFIN MICROPOROUS FILM AND METHOD FOR PREPARING THE SAME |
摘要 |
It is an object of the present invention to provide a microporous polyolefin membrane, high in pin puncture strength, adequate in pore diameter and high in porosity, comprising (A) an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5 x 10<5> or more, or (B) a composition containing an ultra-high-molecular-weight polyolefin having a weight-average molecular weight of 5 x 10<5> or more, and having a porosity of 30 to 95%, bubble point exceeding 980 KPa and pin puncture strength of 4,900 mN/25 mu m or more. |
申请公布号 |
EP1097962(A4) |
申请公布日期 |
2002.06.12 |
申请号 |
EP20000902978 |
申请日期 |
2000.02.15 |
申请人 |
TONEN CHEMICAL CORPORATION |
发明人 |
TAKITA, KOTARO;FUNAOKA, HIDEHIKO;KAIMAI, NORIMITSU;KOBAYASHI, SHIGEAKI;KONO, KOICHI |
分类号 |
B01D71/26;H01M2/16;(IPC1-7):B01D71/26;B01D67/00 |
主分类号 |
B01D71/26 |
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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