Selectively gas-permeable composite membrane and process for...

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

B - Operations, Transporting

01

D

204/96.17

B01D 69/12 (2006.01) B01D 71/44 (2006.01)

Patent

CA 1195653

ABSTRACT OF THE DISCLOSURE 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.

426050

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