| 摘要 |
PCT No. PCT/EP90/02021 Sec. 371 Date Jul. 2, 1992 Sec. 102(e) Date Jul. 2, 1992 PCT Filed Nov. 26, 1990 PCT Pub. No. WO91/09669 PCT Pub. Date Jul. 11, 1991.Composite membrane, process for its production and its use A composite membrane for gas separation having a three-layer structure, constructed from A) a supporting membrane layer made of porous polymer, B) a nonporous, gas-permeable intermediate layer, C) a permselective layer of regularly arranged organic molecules having a layer thickness of 3 to 100 nm, the layers (A) and (C) enclosing the intermediate layer (B), wherein the permselective layer (C) is constructed from regularly arranged amphiphilic molecules which contain one or two alkyl chains each having 7 to 25 carbon atoms per polar hydrophilic group.
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