Semipermeable membrane

Details Semipermeable membrane Semipermeable membrane

C - Chemistry, Metallurgy

08

J

18/12

C08J 9/00 (2006.01) B01D 71/44 (2006.01) H01M 2/16 (2006.01)

Patent

CA 1180858

SEMIPERMEABLE MEMBRANE Abstract of the Disclosure A semipermeable membrane having a surface comprised of a poly(arylacetylene) having at least a part of its benzene nuclei introduced with sulfonic acid groups. The poly(arylacetylene) is represented by the following structural formula (I): Image (I) wherein X stands for Cl, Br or CH3, R stands for H or CH3 and n is a positive integer. The semipermeable membrane may be obtained by subjecting a membrane formed of the poly(arylacetylene) of the formula (I) to sulfonation conditions or by sulfonating the poly(arylacetylene) of the formula (I), and forming the sulfonated product into membrane. -1-

412920

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