Cation exchange membrane preparation and use thereof

Details Cation exchange membrane preparation and use thereof Cation exchange membrane preparation and use thereof

C - Chemistry, Metallurgy

08

J

18/13, 204/202

C08J 5/22 (2006.01)

Patent

CA 1152452

ABSTRACT OF THE DISCLOSURE Cation exchange membranes having good current efficiency and durability comprise a fluorocarbon polymer charac- terized by the presence both of pendant carboxylic acid groups of the formula -- OCF2COOH -- and derivatives thereof and of pendant sulfonic acid groups of the formu- la -- OCF2CF2SO3M -- and derivatives thereof.

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