Method of preparing dispersions of gelled polymeric microparticl

Details Method of preparing dispersions of gelled polymeric microparticl Method of preparing dispersions of gelled polymeric microparticl

1977-06-13

1979-04-03

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 336UA, 526273, 526279, 528392, C08K 501

Patent

active

041476883

ABSTRACT:
Dispersions containing crosslinked acrylic polymer microparticles having a particle size of from 0.1 to 10 microns are produced in relatively high concentrations by a method comprising the free radical addition copolymerization of at least one monoethylenically unsaturated monomer with alpha, beta-ethylenically unsaturated monocarboxylic acid and crosslinking monomer selected from the group consisting of (1) epoxy group-containing compound and (2) a mixture of alkylenimine and organoalkoxysilane in the presence of a dispersion stabilizer and an aliphatic hydrocarbon dispersing liquid in which the crosslinked polymer particles are insoluble.
The crosslinked acrylic polymer microparticles are useful as additives to protective and decorative coatings.

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