Process for the production of toluene-soluble, sulphur-modified

Details Process for the production of toluene-soluble, sulphur-modified Process for the production of toluene-soluble, sulphur-modified

1987-08-25

1990-04-24

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526205, 526220, 526222, 526295, C08F 226

Patent

active

049201891

ABSTRACT:
Toluene-soluble, sulphur-modified polychloroprene is obtained by emulsion copolymerization of chloroprene, sulphur and optionally further monomers which are copolymerizable with chloroprene and sulphur using a peroxy activator and subsequent working-up by stabilizing, stopping, degassing and isolating without separate peptization, in that polymerization is carried out in the presence of dithiocarbamates and/or xanthogenates and the activator is metered in continuously or batch-wise during the course of polymerization.

REFERENCES:
patent: 2234215 (1941-03-01), Youker
patent: 2430562 (1947-11-01), Fryling

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