| 发明名称 |
GAS SEPARATION MEMBRANES MADE FROM BLENDS OF AROMATIC POLYIMIDE, POLYAMIDE OR POLYAMIDE-IMIDE POLYMERS |
| 摘要 |
The present invention provides for gas separation membranes with superior gas transport properties made from a blend of certain polymers. In particular, certain alkyl substituted aromatic polyimides, polyamides or polyamide-imides are blended with certain aromatic polyimides to provide a gas separation membrane with superior productivity and good selectivity. |
| 申请公布号 |
WO9405404(A1) |
申请公布日期 |
1994.03.17 |
| 申请号 |
WO1993US07999 |
申请日期 |
1993.08.30 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY;L'AIR LIQUIDE S.A. |
发明人 |
EKINER, OKAN, MAX;SIMMONS, JOHN, WARREN |
| 分类号 |
B01D71/56;B01D71/64;(IPC1-7):B01D71/64;C08L79/08 |
主分类号 |
B01D71/56 |
| 代理机构 |
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