| 发明名称 |
Process for the preparation of polymide gas separation membranes |
| 摘要 |
<p>A process for preparing polyimide gas separation membranes is disclosed. The process involves preparing polyamic acid salt membrane precursors that are converted into polyimide membranes by mild thermal or chemical treatments. The gas separation processes that utilize these polyimide membranes are further disclosed. <IMAGE></p> |
| 申请公布号 |
EP1086737(A2) |
申请公布日期 |
2001.03.28 |
| 申请号 |
EP20000120772 |
申请日期 |
2000.09.22 |
| 申请人 |
PRAXAIR TECHNOLOGY, INC. |
发明人 |
DING, YONG;BIKSON, BENJAMIN;NELSON, JOYCE KATZ |
| 分类号 |
B01D53/22;B01D69/12;B01D71/64;B01D71/82;C08G73/10;(IPC1-7):B01D53/22 |
主分类号 |
B01D53/22 |
| 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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