| 发明名称 |
MEHRSCHICHT IONENAUSTAUSCHERMEMBRANE. |
| 摘要 |
<p>A caton exchange membrane is disclosed comprising fluorinated polymer layers which include, in order, a layer with sulfonic exchange groups, a layer with carboxylic exchange groups, and a thinner layer with carboxylic exchange groups at a greater exchange capacity than the other carboxylic layer.</p> |
| 申请公布号 |
DE3671239(D1) |
申请公布日期 |
1990.06.21 |
| 申请号 |
DE19863671239 |
申请日期 |
1986.02.21 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND CO., WILMINGTON, DEL., US |
发明人 |
JOHNSON, BRUCE BJORGE, WALLINGFORD PENNSYLVANIA 19086, US |
| 分类号 |
B01J47/12;B01J47/00;C08J5/22;C25B13/08;(IPC1-7):C08J5/22;C25B13/00 |
主分类号 |
B01J47/12 |
| 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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