Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1982-08-03
1984-09-11
Wong, Jr., Harry
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526344, 5263442, 570181, 570189, 570237, 570257, C08F 238, C08F 1406
Patent
active
044710968
ABSTRACT:
Vinyl chloride polymers are prepared by polymerizing a monomer component that comprises vinyl chloride in an aqueous medium in the presence of a free radical-generating polymerization initiator and 0.01% to 2% by weight, based on the weight of the monomer component, of a chain-transfer agent that is a mercapto organic compound having at least one beta-ether linkage. The process can be used to produce low molecular weight vinyl chloride polymers.
REFERENCES:
patent: 2460567 (1949-02-01), Browning
patent: 3557244 (1971-01-01), Schrage
patent: 3637623 (1972-01-01), Lo Monaco et al.
patent: 3923765 (1975-12-01), Goetze et al.
Goodman Donald
Sharaby Zaev
Berlow Evelyn
Tenneco Polymers, Incorporated
Wong, Jr. Harry
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