Gas separating members and a method of making the same

Details Gas separating members and a method of making the same Gas separating members and a method of making the same

B - Operations, Transporting

01

D

18/14, 204/96.17

B01D 53/22 (2006.01) C08F 2/52 (2006.01) C08G 77/06 (2006.01)

Patent

CA 1139680

Abstract of the Disclosure A gas separating member of the present invention comprises a porous substrate in the form of a film, wall or hollow fiber and a polymer film formed on a surface of the substrate by plasma polymerization. The gas separation factor (O2/N2) ranges from 2.3 to 3.9 with the corresponding gas permeability ranging from 12 to 0.16 liter/min. m2 atm. pres.-air. A modified gas separating member of the present invention, which comprises a porous substrate in the aforementioned form and two polymers films formed on a surface of the substrate by plasma polymerization, has the gas separation factor (He/H2) ranging from 14 to 45.

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