| 摘要 |
PURPOSE:To obtain the title membrane having excellent oxygen selectivity, heat resistance, chemical resistance and mechanical strength by making the membrane from a mixture of 10-80wt.% polyvinylpyridine and a copolymer of polydimethylsiloxane. CONSTITUTION:A membrane for gas separation is obtained by mixing polyvinylpyridine such as poly-4-vinylpyridine and a copolymer of polydime thylsiloxane such as a block polymer of polydimethylsiloxane-bisphenol A carbon ate and regulating the mixing ratio of polyvinylsiloxane to 10-80wt.%. The obtained separation membrane has excellent oxygen permselectivity and heat resistance, chemical resistance and strength are excellent.
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