Method of polymerizing vinyl chloride

Details Method of polymerizing vinyl chloride Method of polymerizing vinyl chloride

1985-03-25

1986-12-16

Henderson, Christopher

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526207, 5263442, C08F 222

Patent

active

046297723

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 at polymerizations, wherein a 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, that the obtained latex becomes instable. In this way it is possible to prepare polymers having a particle size and a particle size distribution giving a product with low viscosity at the preparation of plastisols.

REFERENCES:
patent: 3324097 (1967-06-01), Pears
patent: 3678021 (1972-07-01), Chatelain
patent: 3714097 (1973-01-01), Cautilli
patent: 3725367 (1973-04-01), Kemp
patent: 4093581 (1978-06-01), Anderson

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