Process for the manufacture of homo- and copolymers of tetrafluo

Details Process for the manufacture of homo- and copolymers of tetrafluo Process for the manufacture of homo- and copolymers of tetrafluo

1976-05-20

1978-09-05

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526 88, 526 91, 526 78, 526201, 526217, 526220, 526255, C08F 404, C08F 440, C08F 1418, C08F11418

Patent

active

041122119

ABSTRACT:
Polymers on the basis of tetrafluoroethylene are produced in the presence of a redox system as catalyst consisting of a usual peroxidic compound as oxidizing component and a water-soluble nitrogen compound liberating in situ a diimine under the polymerization conditions. The polymers obtained can be processed, inter alia, into thick walled articles on a ram extruder or into large sintered block free from crack formation.

REFERENCES:
patent: 2613203 (1952-10-01), Myers
patent: 2820026 (1958-01-01), Passino et al.
patent: 3088941 (1903-05-01), Uhland
patent: 3110704 (1963-11-01), Halliwell
patent: 3142665 (1964-07-01), Cardinal et al.
patent: 3193543 (1965-07-01), Ragazzini et al.
patent: 3404135 (1968-10-01), Tietz
patent: 3475391 (1969-10-01), Coker
patent: 3939134 (1976-02-01), Console et al.

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