Preparation of high bulk density/low porosity pvc resins

Details Preparation of high bulk density/low porosity pvc resins Preparation of high bulk density/low porosity pvc resins

C - Chemistry, Metallurgy

08

K

400/1348, 400/17

C08K 5/00 (2006.01) C08L 27/06 (2006.01)

Patent

CA 1066828

ABSTRACT OF THE DISCLOSURE A high bulk density/low porosity polyvinyl chloride resin which is highly processable and thermally stable is prepared by suspension polymerization wherein a vinyl chloride monomer is polymerized in the presence of: hydroxyethyl cellulose; an internal lubricant-type long chain compound such as butyl stearate; and a water insoluble/monomer soluble initiator such as lauryl peroxide, and wherein the polymerization is performed under low shear conditions in the presence of a minimum amount of oxygen.

254617

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