Patent ID: 6077898
Filing Date: 2000-06-20
Classification: C08L,C09D

Abstract:
An aqueous paint suspension comprising:(a) from about 20 to about 30 percent by weight water;(b) from about 5 to about 15 percent by weight of a polyvinylpyrrolidone/vinyl acetate copolymer, the polyvinylpyrrolidone/vinyl acetate copolymer containing from about 30 to about 70 percent by weight polyvinylpyrrolidone and from about 30 to about 70 percent by weight vinyl acetate;(c) from about 20 to about 40 percent by weight of a dispersed substance selected from the group consisting of filler and pigment, and mixtures thereof;(d) from about 0.05 to about 3 percent by weight of a fumed silica suspending agent;(e) from about 0.1 to about 3 percent by weight of a non-silicone defoaming agent; and(f) from about 0.5 to about 5 percent by weight of a dispersing agent, the dispersing agent comprising a block copolymer having an affinity for pigment;wherein the dispersed substance is not encapsulated within the polyvinylpyrrolidone/vinyl acetate coploymer.