Reverse-side treatment of fabric reinforced membranes

C - Chemistry – Metallurgy – 08 – J

Patent

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18/13, 154/71

C08J 5/22 (2006.01)

Patent

CA 1115193

A B S T R A C T Disclosed are sulfonyl groups containing fluorocarbon polymer cation-exchange membrane which has been fabric rein- forced and one side of which has been treated, after the fabric reinforcing has been applied in a heat-pressure appli- cation, to a depth of at least 10 microns with a primary amine or a secondary amine or mixtures thereof to aminate a majority of said sulfonyl groups.

313424

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