Semipermeable membranes prepared from polymers containing...

Details Semipermeable membranes prepared from polymers containing... Semipermeable membranes prepared from polymers containing...

C - Chemistry, Metallurgy

08

J

183/2, 18/24

C08J 9/28 (2006.01) B01D 71/50 (2006.01) B01D 71/52 (2006.01) B01D 71/66 (2006.01) C07C 7/144 (2006.01)

Patent

CA 1188864

ABSTRACT OF THE DISCLOSURE Semipermeable membranes useful for separating gaseous mixtures of carbon dioxide and methane into enriched fractions of each are prepared from at least one polymer containing a preponderance of arylene units, such as polyxylene oxide, the arylene units containing p?ndent sulfone groups substituted with an aromatic group, such as phenyl.

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