Rubber vulcanization agents of sulfur olefin adduct

Details Rubber vulcanization agents of sulfur olefin adduct Rubber vulcanization agents of sulfur olefin adduct

1988-08-05

1990-02-20

Henderson, Christopher

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

Synthetic resins

From sulfur-containing reactant

C08G 7514

Patent

active

049027751

ABSTRACT:
Superior vulcanization agents for rubber are prepared by reacting sulfur with at least one olefin at 120.degree.-200.degree. C. in an aqueous reaction media with agitation. In one embodiment, the vulcanization agent comprises a sulfur/olefin adduct having from about 39% to about 46% by weight of free elemental sulfur level.

REFERENCES:
patent: 1349909 (1920-08-01), Pratt
patent: 2410595 (1946-11-01), Bacon
patent: 4475953 (1984-10-01), Ludwig
patent: 4740559 (1988-04-01), Johansson

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