Production of ion-exchange membrane

Details Production of ion-exchange membrane Production of ion-exchange membrane

1984-11-27

1986-10-14

Ivy, C. Warren

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

2642358, 2642884, 2642893, 2642902, 264346, 264348, 521 27, C08J 522, B29C 5500, B29C 5512, B29D 701

Patent

active

046171630

ABSTRACT:
An ion-exchange membrane of a sheet of an organic polymer comprising a plurality of fixed anonic groups associated with cations which comprise an organic group, e.g. quaternary ammonium cations, a process in which the membrane sheet is expanded by dry stretching to increase the surface area per unit weight of the membrane, a process for its preparation, a process for converting the stretched membrane to one suitable for use in an electrolytic cell, and that use.

REFERENCES:
patent: 4000057 (1976-12-01), Mrazek et al.
patent: 4154909 (1979-05-01), Seita
patent: 4259226 (1981-03-01), Suhara
patent: 4267364 (1981-05-01), Grot
patent: 4284460 (1981-08-01), Moore
patent: 4294943 (1981-10-01), Onoue
patent: 4318785 (1982-09-01), Gunjima
patent: 4433082 (1984-02-01), Grot
Brewster, Organic Chemistry, 3d ed., Prentice-Hall Inc., N.J., 1961; pp. 697-699.

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