AQUEOUS LATEX AND DISPERSION OF INORGANIC PIGMENT PARTICLES COMPRISING THE SAME

摘要

The present disclosure relates to an aqueous latex and a process for the preparation thereof. In particular, the present disclosure relates to an aqueous latex useful as a spacing extender for inorganic pigment particles. The present disclosure also relates to a dispersion of inorganic pigment particles comprising the aqueous latex and to an aqueous coating composition comprising the aqueous latex and inorganic pigment particles.

主权项

1. An aqueous dispersion of polymeric particles prepared through emulsion polymerization using monomers comprising:
i) 0.1 to 20% by weight of at least one ethylenically unsaturated monomer containing an anchor functionality and a moiety containing poly(oxyethylene); ii) 0 to 20% by weight of at least one ethylenically unsaturated monomer with a carboxylic acid functionality; and iii) 60 to 99.9% by weight of at least one ethylenically unsaturated monomer other than monomers i) and ii), wherein the weight % is relative to the total weight of the monomers i), ii) and iii); and wherein the polymeric particles have a glass transition temperature of at least 50° C.