Selectively gas-permeable composite membrane and process for pro

Details Selectively gas-permeable composite membrane and process for pro Selectively gas-permeable composite membrane and process for pro

1983-04-18

1984-11-20

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

55158, 427 34, 427 40, 427 41, 4283155, 4283157, 4283166, 428447, B05D 306, B32B 904

Patent

active

044839014

ABSTRACT:
A selectively gas-permeable composite membrane and a process for producing said composite membrane are described. The composite membrane comprises a polymeric material support and a thin membrane deposited on the support, said thin membrane being obtained by glow discharge plasma polymerization of an organosilane compound containing at least one double bond or triple bond. Alternatively, the composite membrane comprises a polymeric material support having an average pore diameter of at least 0.1 micron, a hardened or cross-linked polyorganosiloxane layer on the support, and a thin membrane on the polyorganosiloxane layer, said thin membrane being obtained by plasma polymerization due to glow discharge of an organosilane compound containing at least one double bond or triple bond.

REFERENCES:
patent: 3767737 (1973-10-01), Lundstrom
patent: 4137365 (1979-01-01), Fletcher et al.
patent: 4230463 (1980-10-01), Henis et al.
patent: 4239793 (1980-12-01), Matsuura et al.
patent: 4344981 (1982-08-01), Imada et al.
patent: 4366184 (1982-12-01), Auerbach et al.

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