Poly(disubstituted acetylene)/polyorganosiloxane graftcopolymer and membrane for gas separation

摘要

PCT No. PCT/JP86/00507 Sec. 371 Date Jun. 8, 1987 Sec. 102(e) Date Jun. 8, 1987 PCT Filed Oct. 3, 1986 PCT Pub. No. WO87/02046 PCT Pub. Date Apr. 9, 1987.A membrane for selectively separating gases having high and selective permeability for oxygen and sufficient strength which is capable of extracting and concentrating oxygen in a mixed gases, especially in the air, and is produced from a novel poly(disubstituted acetylene)/polyorganosiloxane graft copolymer where the main chain is composed of poly(disubstituted acetylene) and the side chain is composed of polyorganosiloxane, and the copolymer.