Vinyl halide aqueous polymerization dispersant system
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United States of America Patent
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Oct 13, 1992
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N/A
app pub date -
Oct 26, 1990
filing date -
Oct 26, 1990
priority date (Note) -
Expired
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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.
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