Ion exchange membrane

Details Ion exchange membrane Ion exchange membrane

1989-02-16

1991-04-09

Cintins, Ivars

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 28, 521 32, C08J 522

Patent

active

050065769

ABSTRACT:
A dilute solution of methyl ethyl ketone is concentrated by pervaporation through a fluorinated ion exchange membrane which has been exchanged with a quaternary ammonium cation.

REFERENCES:
patent: 4067805 (1978-01-01), Chiang et al.
patent: 4526948 (1985-07-01), Resnick

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