发明名称 |
Precipitated silica |
摘要 |
A process for preparing microporous separating elements for batteries by intensive mixing of a high molecular weight polyethylene with a precipitated silica having specific chemical and physical characteristics, a process liquid and a stabilizer to form a powder mixture, which is extruded to form a film, from which the process liquid is removed, thereby leaving the desired microporous separating elements which are recovered.
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申请公布号 |
US6077466(A) |
申请公布日期 |
2000.06.20 |
申请号 |
US19980174577 |
申请日期 |
1998.10.19 |
申请人 |
DEGUSSA-HULS AG |
发明人 |
TUERK, GUENTER;SCHMIDT, GEROLD;SIRAY, MUSTAFA;MEIER, KARL |
分类号 |
C01B33/193;H01M2/16;(IPC1-7):B29C47/00;C08J9/28 |
主分类号 |
C01B33/193 |
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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