Polytrialkylgermylpropyne polymers and membranes

Details Polytrialkylgermylpropyne polymers and membranes Polytrialkylgermylpropyne polymers and membranes

C - Chemistry, Metallurgy

08

F

402/7.3

C08F 38/00 (2006.01) B01D 71/26 (2006.01) B01D 71/28 (2006.01) B01D 71/44 (2006.01)

Patent

CA 1281474

ABSTRACT The present invention is a group of new polymers and treated, semi-permeable, polymeric membranes made from the new polymers, having improved selectivity for separating components of a gas mixture. The membrane is provided by fluorinating a polymer cast into membrane form, having the general structural formula: Image Wherein R1 is H or a C1-C2 alkyl group: R2 and R3 are independently linear or branched C1-C6 alkyl groups; R4 is a linear or branched C1-C12 alkyl or aryl group; X is a C1-C3 alkyl group or phenyl; m is at least 100; and n is 0 or 1.

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