Treatment of cation exchange membrane with monoamine its...

Details Treatment of cation exchange membrane with monoamine its... Treatment of cation exchange membrane with monoamine its...

C - Chemistry, Metallurgy

25

B

204/202

C25B 13/08 (2006.01) C08J 5/22 (2006.01)

Patent

CA 1120429

ABSTRACT OF THE DISCLOSURE A process for the electrolysis of alkali halide. Use is made of a cation exchange membrane having as its ion exchange radicals, sulfonic acid radicals. This membrane is treated with primary, secondary or tertiary monoamine or its salt or quater- nary ammonium salt and then heat-treated at a temperature higher than 100°C and lower than melting point of the reaction product and then subjected to drying, so as to improve the cation- selecting performance of the membrane and to increase its current efficiency.

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