Poly(disubstituted acetylene)/polyorganosiloxane graft copolymer

Details Poly(disubstituted acetylene)/polyorganosiloxane graft copolymer Poly(disubstituted acetylene)/polyorganosiloxane graft copolymer

1987-11-12

1988-07-05

Foelak, Morton

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525100, 525104, 525106, C08F 800

Patent

active

047555610

ABSTRACT:
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.

REFERENCES:
patent: 3929850 (1975-12-01), Streck et al.
patent: 4239793 (1980-12-01), Matsuura et al.
patent: 4565846 (1986-01-01), Saito et al.

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