Process for the polymerization of vinyl chloride in aqueous susp

Details Process for the polymerization of vinyl chloride in aqueous susp Process for the polymerization of vinyl chloride in aqueous susp

1978-06-02

1981-01-06

Woodberry, Edward M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

429247, 526344, 526345, 526910, 526911, C08F 220, C08F 1406

Patent

active

042435625

ABSTRACT:
Process for the polymerization of vinyl chloride in aqueous suspension in the presence of a dispersing system comprising a cellulosic derivative and an anionic emulsifying agent wherein the polymerizaton is initiated by an oil-soluble initiator and a water-soluble free radical polymerization initiator is added in the course of polymerization. The thus obtained polyvinyl chloride powders are particularly suitable for the production of battery separators.

REFERENCES:
patent: 3293199 (1966-12-01), Abercrombie
patent: 3666720 (1972-05-01), Nield et al.
patent: 3766106 (1973-10-01), Yurimoto et al.
patent: 3951925 (1976-04-01), Mishima et al.
patent: 4029619 (1977-06-01), Tajima et al.

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