Organosulfur chain transfer agents for emulsion copolymerization

Details Organosulfur chain transfer agents for emulsion copolymerization Organosulfur chain transfer agents for emulsion copolymerization

1991-08-01

1993-03-16

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526223, 524812, 524831, 524832, 524836, C08F 238

Patent

active

051945398

ABSTRACT:
Odorless, aqueous copolymer dispersions are produced by emulsion copolymerizing a comonomer recipe which comprises at least 60% by weight of styrene and/or butadiene and/or an acrylic ester and/or a vinyl nitrile, and, optionally, up to 40% by weight of at least one other copolymerizable comonomer, in an aqueous medium of copolymerization, in the presence of an alkoxy, aryloxy, acyloxy or acylamino substituted diphenyl disulfide chain transfer agent.

REFERENCES:
patent: 3629373 (1971-12-01), Embree
Chem. Abstr. 112(4):22169v (1989) "Process for Preparing Polychloroprene".
R. T. Morrison and R. N. Boyd, "Organic Chemistry," 3rd Ed, Allyn & Bacon, Boston (1973) p. 318.

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