| 发明名称 |
Production of aromatic polyimide membranes. |
| 摘要 |
<p>A process of producing a polyimide gas separation membranes comprising adding an oligomeric or polymeric aromatic epoxy resin to the dope solution, the resin being soluble in the polyimide or polyamic acid precursor, the solvent and the final membrane and the membrane comprising a blend of the polyimide and the resin.</p> |
| 申请公布号 |
EP0422886(A1) |
申请公布日期 |
1991.04.17 |
| 申请号 |
EP19900311032 |
申请日期 |
1990.10.09 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
EKINER, OKAN MAX;HAYES, RICHARD ALLEN |
| 分类号 |
C08L79/08;B01D67/00;B01D71/64;C08L63/00 |
主分类号 |
C08L79/08 |
| 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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