Edge reinforcement of membranes for chlor-alkali cells

Details Edge reinforcement of membranes for chlor-alkali cells Edge reinforcement of membranes for chlor-alkali cells

1987-03-03

1988-09-13

Niebling, John F.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

156315, 156334, 204 98, 204128, 204283, C25B 1300

Patent

active

047707577

ABSTRACT:
A presoaked perhalogenated polymer cation exchange membrane containing at least one type of acid groups, carboxyl or sulfonyl, is bonded to other articles such as edge-reinforcing tape, gasket, electrolytic cell frame, etc., by means of a pressure-sensitive adhesive material from the group of butyl rubber, styrene-butadiene rubber, and polyacrylate rubber. Presoaking of the membranes is done either in water or in an aqueous alkaline solution.

REFERENCES:
patent: 4399009 (1983-08-01), Chisholm
patent: 4437951 (1984-03-01), Bissot et al.

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