Process for the production of an ion exchange membrane

Details Process for the production of an ion exchange membrane Process for the production of an ion exchange membrane

1979-07-05

1981-10-13

Schofer, Joseph L.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 28, C25B 1300

Patent

active

042949335

ABSTRACT:
In the production of a heterogeneous ion exchange membrane in which an ion exchange resin fine powder is dispersed in a thermoplastic resin, a silane-modified polyolefin resin and ion exchange resin fine powder are kneaded, extruded to form a membrane and then subjected to a treatment with hot water, thus obtaining an ion exchange membrane having a high ion transport number in a high ion concentration and a low specific resistance in an aqueous solution of a polyvalent ion salt, which is well balanced.

REFERENCES:
patent: 2865884 (1958-12-01), DeBenneville
patent: 3446726 (1969-05-01), Pungor et al.
patent: 3627703 (1971-12-01), Kojima et al.
patent: 3876565 (1975-04-01), Takashima et al.

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