发明名称 |
BEHANDLET, HALVGJENNOMTRENGELIG POLYMERMEMBRAN, FREMGANGSMAATE FOR FREMSTILLING DERAV OG ANVENDELSE AV MEMBRANEN. |
摘要 |
<p>The present invention is a treated, semi-permeable, polymeric membrane having improved selectivity for separating components of a gas mixture. The membrane is provided by fluorinating a polymer cast into membrane form, having the general structural formula: <IMAGE> wherein R1 is a linear or branched C1-C4 alkyl group; R2 and R3 are independently linear or branched C1-C6 alkyl groups; R4 is a linear or branched C1-C12 alkyl or aryl group; X is a C1-C3 alkyl group or <IMAGE> m is at least 100; and n is 0 or 1.</p> |
申请公布号 |
NO167498(B) |
申请公布日期 |
1991.08.05 |
申请号 |
NO19860004642 |
申请日期 |
1986.11.20 |
申请人 |
AIR PRODUCTS AND CHEMICALS INC |
发明人 |
LANGSAM, MICHAEL |
分类号 |
C08J5/18;B01D53/22;B01D67/00;B01D71/44;B01D71/70;C08F8/20;C08F8/22;(IPC1-7):B01D71/70 |
主分类号 |
C08J5/18 |
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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