Aqueous latices having improved coating rheology

Details Aqueous latices having improved coating rheology Aqueous latices having improved coating rheology

C - Chemistry, Metallurgy

09

D

400/7938, 400/92

C09D 5/12 (2006.01) C09D 133/06 (2006.01)

Patent

CA 1244583

AQUEOUS LATICES HAVING IMPROVED COATING RHEOLOGY ABSTRACT An aqueous emulsion copolymer of monoethylenically 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 C2-C4 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.

496814

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