C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
402/397, 402/546
C08F 2/30 (2006.01) C08F 14/06 (2006.01) C08F 291/00 (2006.01)
Patent
CA 1152695
Abstract The present invention comprises a method of preparing vinyl chloride polymers or vinyl chloride copolymers suitable for the preparation of plastisols. The method can be used in polymerizations, wherein n pre-emulsion of a substance having a very low solubility in water, is caused to swell by the vinyl chloride monomer, whereafter the monomer emulsion obtained is subjected to polymerizing conditions. According to the invention the emulsion is stabilized, and, by polymerizing in the presence of an stabilizing latex, it is possible to avoid the latex obtained becoming unstable. In this way it is possible to prepare polymers having a suitable particle size and particle size distribution to enable low viscosity stable plastisols to be prepared therefrom.
366281
Bjerke Odd
Fetherstonhaugh & Co.
Kemanord Ab
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