Process for forming a reinforced membrane

Details Process for forming a reinforced membrane Process for forming a reinforced membrane

1980-02-14

1982-04-13

Bell, James J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156286, 1563082, 156313, 156324, 428192, 428247, B29C 1902

Patent

active

043246060

ABSTRACT:
A process and apparatus for continuously forming a reinforced membrane of fluorinated polymers containing sulfonyl and/or carboxyl groups in melt-fabricable form and, after hydrolysis, the corresponding membrane in ion exchange form. The membrane thus formed has exceptional uniformity, and this membrane so made, when used as the membrane which separates the compartments of a chloralkali cell, offers the advantages of low operating voltage, low power consumption and high current efficiency, and a long useful life without rupture.

REFERENCES:
patent: 3770567 (1973-11-01), Grot
patent: 3849243 (1974-11-01), Grot
patent: 3933552 (1976-01-01), Shumaker
patent: 4040888 (1974-08-01), Soska et al.

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