Process for producing modified polytetrafluoroethylene

Details Process for producing modified polytetrafluoroethylene Process for producing modified polytetrafluoroethylene

1980-11-03

1982-04-20

Seccuro, Carman J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525902, 20415917, C08F25908

Patent

active

043260462

ABSTRACT:
A modified polytetrafluoroethylene is produced by polymerizing tetrafluoroethylene in an aqueous medium containing a dispersing agent with a polymerization initiator source and then, copolymerizing tetrafluoroethylene and a fluorinated monomer having an acid type functional group as a copolymerizable modifier in the presence of the resulting polytetrafluoroethylene to obtain a modified polytetrafluoroethylene having the modifier component of 0.001 to 10 mol %.

REFERENCES:
patent: 3666693 (1972-05-01), Chapiro et al.
patent: 4036802 (1977-07-01), Poirier
patent: 4129618 (1978-12-01), Downer et al.
patent: 4132682 (1979-01-01), Seita et al.
Chemical Abstracts, vol. 83, No. 8 (8/25/75), p. 87; Abstract 60436v.
Chemical Abstracts, vol. 83, No. 10 (9/8/75), p. 5; Abstract 80303c.

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