Process for the production of vinyl chloride polymers in the pre

Details Process for the production of vinyl chloride polymers in the pre Process for the production of vinyl chloride polymers in the pre

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.

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