Small particle size non-surface active protective colloid-stabilized latexes derived from monomers of high aqueous phase grafting tendencies

Abstract From the Canadian patent

Abstract of Disclosure, Disclosed are aqueous polyacrylate dispersions of acrylic or methacrylic polymers, having improved rheological and stability characteristics, prepared by the aqueous polymerization of acrylic esters, methacrylic esters or their mixtures in the presence of a from about 0.05 to about 5% of a non-surface active protective colloid and a free-radical polymerization initiator that comprises a combination of from about 0.01 to about 1% of an azo initiator or an organosoluble, water-insoluble peroxide initiator and between 0.01% to about 0.05% of a water-soluble peroxide initiator by, weight of total monomer content. The resultant aqueous polyacrylate dispersions have a …