发明名称 |
MEMBRANES COMPRISING SULFONATED POLYETHER KETONE AND ANOTHERPOLYMER, PROCESS FOR THEIR PRODUCTION, AND THEIR USE |
摘要 |
Membranes comprising from 30 to 99.5% by weight of a sulfonated, strictly alternating polyether ketone (A) having repeat units of the formula (I) -Ar-O-Ar'-CO-, where Ar and Ar', independently of one another, are bivalent aromatic radicals, with an ion-exchange capacity of from 1.3 to 4.0 meq of -SO3H/g of polymer and from 0.5 to 70% by weight of a partially fluorinated, nonfluorinated or perfluorinated polymer (B) are described. The membranes may be used in fuel cells. |
申请公布号 |
CA2347090(C) |
申请公布日期 |
2007.09.11 |
申请号 |
CA19992347090 |
申请日期 |
1999.09.18 |
申请人 |
CELANESE VENTURES GMBH |
发明人 |
SOCZKA-GUTH, THOMAS;PADBERG, CHRISTOPH;FRANK, GEORG |
分类号 |
B01D61/46;B01D71/52;B01D71/64;B01D71/68;B01J47/12;B29C41/12;C08J5/22;C08L71/08;C08L79/08;C08L81/06;C08L101/00;H01M8/02;H01M8/10 |
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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