Permeation modified membrane

Details Permeation modified membrane Permeation modified membrane

B - Operations, Transporting

01

D

117/88.5

B01D 69/12 (2006.01) B01D 71/80 (2006.01) C08G 77/26 (2006.01) C08L 83/04 (2006.01)

Patent

CA 1231598

PERMEATION MODIFIED MEMBRANE ABSTRACT A multicomponent membrane having improved permeation characteristics for separation of one gas from a mixture of gases by permeation of the one gas through the membrane. The membrane is in the form of a porous, anisotropic substrate membrane and a coating in contact with the substrate membrane, the coating being made of poly(dimethyl siloxane), containing 1 to 20 weight percent of a permeation-modifying radical selected from the group consisting of Image Image Image The coating is applied to the substrate in the form of a solution of 0.05 to 1 weight percent of the coating in a suitable solvent such as pentane.

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