发明名称 |
HEAT-RESISTANT MICROPOROUS FILM |
摘要 |
<p>A heat resistant microporous membrane containing a thermoplastic resin having a crystalline melting point of 140-300 DEG C and having a layer structure formed in the direction of membrane thickness, said layer structure containing 5-100% of a layer defined by the following (A) and 95-0% of a layer defined by the following (B): (A) a layer in which the micropores are intra-spherulitic voids, and (B) a layer in which the micropores are intra-spherulitic voids and inter-spherulitic voids. <IMAGE></p> |
申请公布号 |
EP1230970(A4) |
申请公布日期 |
2004.05.12 |
申请号 |
EP20000969932 |
申请日期 |
2000.10.20 |
申请人 |
ASAHI KASEI KABUSHIKI KAISHA |
发明人 |
HOSHUYAMA, IZUMI;NAGOYA, FUJIHARU;KOGUMA, ICHIRO |
分类号 |
B01D67/00;B01D69/02;B01D71/34;B32B5/32;B32B27/00;H01M2/16;(IPC1-7):B01D69/02 |
主分类号 |
B01D67/00 |
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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