Method of bonding electrolytic diaphragms of perfluorosulfonic a

Details Method of bonding electrolytic diaphragms of perfluorosulfonic a Method of bonding electrolytic diaphragms of perfluorosulfonic a

Filed on

1976-10-19

Date issued

1978-02-28

Examiner

Powell, William A.

Patent Class

Adhesive bonding and miscellaneous chemical manufacture

SubClass

Methods

SubSubClass

Surface bonding and/or assembly therefor

Other Related Categories

156307, 204296, 260 793MU, 264232, 428421, B32B 704, B32B 1704, B32B 2706

Type

Patent

Status

active

Patent number

040765717

Description

ABSTRACT:
A method of restoring elasticity to heat sealed portions of an elecrolytic diaphragm comprised of a perfluorosulfonic acid resin in the alkali metal ion form comprises contacting the heat sealed sections with an aqueous fluid.

REFERENCES:
patent: 3718627 (1973-02-01), Grot
patent: 3852135 (1974-12-01), Cook et al.
patent: 3925135 (1975-12-01), Grot
patent: 3963817 (1976-06-01), Ballain

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