发明名称 |
HIGH CRYSTALLINE POLYPROPYLENE MICROPOROUS MEMBRANE, MULTI-COMPONENT MICROPOROUS MEMBRANE AND METHODS FOR PREPARING THE SAME |
摘要 |
The present invention relates to a high crystalline polypropylene microporous membrane and a preparation method of the same, and it provides a preparation method of a polypropylene microporous membrane comprising the steps of preparing a precursor film using high crystalline polypropylene having a crystallinity of 50% or more and a very high isotacticity, annealing, stretching at a low temperature, stretching at a high temperature, and heat setting, and a polypropylene microporous membrane having superior permeability and mechanical properties prepared by the preparation method. |
申请公布号 |
EP1165207(A1) |
申请公布日期 |
2002.01.02 |
申请号 |
EP20010901582 |
申请日期 |
2001.01.10 |
申请人 |
LG CHEMICAL CO. LTD |
发明人 |
LEE, SANG-YOUNG;AHN, BYEONG-IN;IM, SUNG-GAP;PARK, SOON-YONG;SONG, HEON-SIK;KYUNG, YOU-JIN |
分类号 |
B01D61/46;B01D39/16;B01D67/00;B01D69/02;B01D69/12;B01D71/26;B01D71/28;B29C55/00;B29C55/06;C08J9/00;H01M2/14;H01M2/16;H01M10/40 |
主分类号 |
B01D61/46 |
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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