Production of tetrafluoroethylene polymers

Details Production of tetrafluoroethylene polymers Production of tetrafluoroethylene polymers

1987-11-09

1988-08-23

Foelak, Morton

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

264101, 264127, 2642106, 2642888, 2642902, 521 79, 521145, 526234, C08F 428

Patent

active

047661887

ABSTRACT:
Production of coagulated dispersion grades of PTFE using an aqueous emulsion polymerization process which employs an initiator system comprising disuccinic acid peroxide and ammonium sulphite, the latter being added during the course of the polymerization. The resulting polymer can be fabricated into porous products of improved properties.

REFERENCES:
patent: 2759350 (1956-06-01), Kroll
patent: 3109856 (1963-11-01), Dohany et al.
patent: 3110704 (1963-11-01), Halliwell
patent: 3475391 (1969-10-01), Coker
patent: 3801552 (1974-04-01), Kometani

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