发明名称 |
GRAFT POLYMERIC MEMBRANES AND ION-EXCHANGE MEMBRANES FORMED THEREFROM |
摘要 |
Graft polymeric membranes and methods for making same are provided in which one or more trifluorovinyl aromatic monomers are radiation graft polymerized to a polymeric base film. The membranes comprise a polymeric base film to which has been graft polymerized substituted alpha , alpha , beta -trifluorostyrene and or alpha , alpha , beta -trifluorovinylnaphthylene monomers which are activated towards graft polymerization. The membranes may be ion-exchange membranes suitable for use in electrode apparatus, including membrane electrode assemblies that may be used in, for example, fuel cells. The membranes may be crosslinked. |
申请公布号 |
WO0158576(A1) |
申请公布日期 |
2001.08.16 |
申请号 |
WO2000CA00337 |
申请日期 |
2000.03.29 |
申请人 |
BALLARD POWER SYSTEMS INC.;STONE, CHARLES;STECK, ALFRED, E. |
发明人 |
STONE, CHARLES;STECK, ALFRED, E. |
分类号 |
B01D61/42;B01D67/00;B01D71/28;B01D71/32;B01D71/36;B01D71/78;B01D71/82;B01J41/14;B01J47/12;C08F291/00;C08J5/22;C08J7/16;C25B13/08;H01M8/02;H01M8/10 |
主分类号 |
B01D61/42 |
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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