Aqueous latices having improved coating rheology.

摘要

An aqueous emulsion copolymer of monethylenically unsaturated monomers which provide a copolymer having a glass transition temperature below 30°C., is modified to include from about 0.3% to about 10% of a monoethylenically unsaturated copolymerizable polyether containing a chain of from about 6 to about 150 C<Sub>2</Sub>-C<Sub>4</Sub> oxyalkylene groups, the terminal hydroxy group provided by said chain of oxyalkylene groups being capped with a monofunctional hydrophobic group. These polyethers improve the brush drag of paints made with the emulsion copolymers, and in some instances the leveling is simultaneously improved.