Process for producing fluorinated polymer having ion-exchange gr

Details Process for producing fluorinated polymer having ion-exchange gr Process for producing fluorinated polymer having ion-exchange gr

1980-02-07

1981-11-03

Hamrock, William F.

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

Synthetic resins

Ion-exchange polymer or process of preparing

521 27, B01J 3920

Patent

active

042986990

ABSTRACT:
A fluorinated copolymer having ion-exchange group is produced by copolymerizing a fluorinated ethylenic unsaturated monomer and a functional monomer having a functional group of carboxylic acid group or a group which can be converted to carboxylic acid group in an aqueous medium in the presence of a polymerization initiator source. The fluorinated copolymer obtained by the copolymerization is treated with an alcohol at higher than 20.degree. C. in the form of particles before a molding. The melt flowability of the fluorinated copolymer is improved.

REFERENCES:
patent: 4174426 (1979-11-01), Asami et al.

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