| 发明名称 |
MEMBRANES FORMED FROM RIGID AROMATIC POLYAMINES |
| 摘要 |
PATENT 211PUSO4223 The present invention is a class of polymeric membranes formed from aromatic polyamides derived from dicarboxylic acid chlorides and cardodiamines having alkyl substituents on all portions ortho to the amine functions. These polyamide membranes exhibit high gas permselectivities and are useful in various gas separation applications.
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| 申请公布号 |
CA2038647(A1) |
申请公布日期 |
1991.10.01 |
| 申请号 |
CA19912038647 |
申请日期 |
1991.03.25 |
| 申请人 |
AIR PRODUCTS AND CHEMICALS, INC. |
发明人 |
TIEN, CHAO-FONG;SURNAMER, ANDREW D.;LANGSAM, MICHAEL |
| 分类号 |
B01D71/56;C08G69/26;(IPC1-7):C08J5/22;B01D53/22;B01D61/24 |
主分类号 |
B01D71/56 |
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