Vinyl halide aqueous polymerization dispersant system

Details Vinyl halide aqueous polymerization dispersant system Vinyl halide aqueous polymerization dispersant system

1992-07-14

1993-09-14

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263442, 526345, 526346, 526342, C08F 2044, C08F 1406, C08F 3606, C08F 1208

Patent

active

052449955

ABSTRACT:
A process for preparing a particulate vinyl polymer resin and vinyl polymer resin derived therefrom wherein, comprising polymerization in the presence of a dispersant or graft dispersant having no ionic side groups, optionally containing terminal functional groups, said dispersant is derived from repeating units of .alpha.,.beta.-unsaturated ester(s) of acrylic and/or methacrylic acid and having a molecular weight average of from about 500 to about 50,000.

REFERENCES:
patent: 3522227 (1970-07-01), Thomas
patent: 3707585 (1972-12-01), Okamoto et al.
patent: 4435524 (1984-03-01), Dinsbergs
patent: 4771114 (1988-09-01), Kobayashi et al.
patent: 4775702 (1988-10-01), Cozems
patent: 5155185 (1992-10-01), Di Rienzo

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