Dispersible sulfur product and its process of manufacture

Details Dispersible sulfur product and its process of manufacture Dispersible sulfur product and its process of manufacture

1985-03-28

1986-01-14

Marquis, Melvyn I.

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

Synthetic resins

From sulfur-containing reactant

25218831, 252308, C08G 7514

Patent

active

045646708

ABSTRACT:
A dispersed sulfur product having good flowability can be formed by dispersing particulate sulfur in a liquid poly(cis-isoprene) dispersion agent (i.e., either made by polymerizing synthetic cis-isoprene or by depolymerizing natural rubber). The sulfur product resulting therefrom has good dispersibility in rubber. The product can be formed without using an aqueous co-precipitation technique by simply mixing the liquid poly-(cis-isoprene) dispersion agent with a major amount of sulfur until the desired product results.

REFERENCES:
patent: 3431214 (1969-03-01), McDonald
patent: 3706708 (1972-12-01), Kearnan
patent: 4110240 (1978-08-01), Leo et al.
patent: 4311826 (1982-01-01), McBee et al.
patent: 4348313 (1982-09-01), McBee et al.
patent: 4391969 (1983-07-01), McBee et al.
Chemical Abstracts, 68, 10598j.
Chemical Abstracts, 69, 44923g.
Chemical Abstracts, 86, 191134e.
Chemical Abstracts, 95, 63544n.
Hardman, Inc. brochure, pp. 1 to 3, discussing DPR and Isolene.

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