Method of preparing vinyl chloride resins

Details Method of preparing vinyl chloride resins Method of preparing vinyl chloride resins

1972-12-05

1977-06-14

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

526 74, 526210, 526216, 526911, 526331, 526345, C08L 9160

Patent

active

040296199

ABSTRACT:
Vinyl chloride monomer is polymerized in aqueous medium under the influence of oil soluble polymerization initiators in the presence of alkali metal salts of higher fatty acid, higher alcohols and/or higher fatty acids, and hydroxides of alkali metals in certain amounts respectively, to produce vinyl chloride resin, stable for making resin/plasticizer pastes, mostly composed of particles having diameters lying between 0.1 and 2 microns. The resins are suitable for making resin/plasticizer pastes that have a low initial viscosity, little change in viscosities during storage, good thermal stability and excellent degassing property. Reduced deposition of polymer scales on the walls of the polymerization vessels was successful.

REFERENCES:
patent: 3370028 (1968-02-01), De Wald
patent: 3551399 (1970-12-01), Yonezu

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