Semipermeable membrane made from polyether ketones

Details Semipermeable membrane made from polyether ketones Semipermeable membrane made from polyether ketones

C - Chemistry, Metallurgy

08

J

183/1, 18/24, 18

C08J 9/26 (2006.01) B01D 53/22 (2006.01) B01D 61/14 (2006.01) B01D 61/36 (2006.01) B01D 69/12 (2006.01) B01D 71/38 (2006.01) B01D 71/52 (2006.01) C08J 9/28 (2006.01)

Patent

CA 2029387

Abstract of the Disclosure A semipermeable membrane of polyether ketones is disclosed. It contains a polymer possessing the following recurring units: Image where X denotes Image or Image with R1, R2, R3 and R4 being identical to or different from one another and denoting H, alkyl, aryl, oxyaryl, NO2, CN, NR2 or halogen, and Z being one of the groupings -O-, -S-, -CH2-, -CF2-, Image , Image , -SO2- or -CO-

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