Reverse-side treatment of fabric reinforced membranes

Details Reverse-side treatment of fabric reinforced membranes Reverse-side treatment of fabric reinforced membranes

1977-12-27

1979-04-03

Schofer, Joseph L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ion-exchange polymer or process of preparing

156306, C08J 522, C08J 712

Patent

active

041478444

ABSTRACT:
Disclosed are a sulfonyl group containing fluorocarbon polymer cation-exchange membrane which has been fabric reinforced and, on one side of which has been treated, after the fabric reinforcing has been applied in a heat-pressure application, 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.

REFERENCES:
patent: 3902947 (1975-09-01), Grot

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