| 发明名称 |
AROMATIC POLYIMIDE SEPARATION MEMBRANE |
| 摘要 |
<p>An aromatic polyimide separation membrane prepared by subjecting an aromatic polyimide membrane to fluorine treatment with an active fluorine is described. The aromatic polyimide separation membrane according to the present invention has an extremely high selectivity and gas permeability, and therefore, is useful as a membrane for separation of gas mixtures or liquid mixtures.</p> |
| 申请公布号 |
CA2020398(A1) |
申请公布日期 |
1991.01.06 |
| 申请号 |
CA19902020398 |
申请日期 |
1990.07.04 |
| 申请人 |
KASAI, TETSUO;KOBAYASHI, YOSHITERU |
发明人 |
KASAI, TETSUO;KOBAYASHI, YOSHITERU |
| 分类号 |
B01D67/00;B01D71/64;C08G73/10;C08J7/12;(IPC1-7):C08J9/36;B01D61/00 |
主分类号 |
B01D67/00 |
| 代理机构 |
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