STABILIZED AQUEOUS COMPOSITIONS COMPRISING CATIONIC POLYMERS THAT DELIVER PAINT AND PRIMER PROPERTIES IN A COATING

摘要

The present invention provides one component aqueous compositions comprising (i) a cationic stain blocking polymer chosen from (a) 0.01 to 7 wt.% of anion exchange resin copolymer gelular or dual morphology beads that have a weight average particle size of from 0.1 to 20 µm and a low copolymerized crosslinker content of from 0.5 to 2.0 wt.%, (b) from 1 to 30 wt.% a crosslinked cationic addition polymer having the copolymerized residue of a monomer chosen from a cationic monomer or a monomer that is modified to contain a cation, and (c) mixtures thereof, (ii) one or more emulsion copolymer having a copolymerized residue of at least one phosphorus acid monomer, and (iii) a stabilizer of from 0.1 to 2 wt.%, based on the total weight of emulsion copolymer solids, of an inorganic phosphorus containing dispersant, and from 0.2 to 5.0 wt.%, based on the total weight of emulsion copolymer solids, of a mixture of a nonionic surfactant and an anionic surfactant. The compositions provide stabilized binders for in a single coat primer plus topcoat coatings and paints.