Patent ID: 6815466
Filing Date: 2004-11-09
Classification: C08L,C09D

Abstract:
An aqueous dispersion comprising a blend of:(1) an anion exchange resin having a particle size of 0.5 to 50 microns, wherein said anion exchange resin is prepared by a process selected from the group consisting of suspension polymerization, phenol formulated condensation and condensation polymerization of at least one polyamine and epichlorohydrin; with (2) a water-insoluble addition copolymer, wherein said copolymer is prepared by emulsion polymerization; wherein said emulsion polymerization occurs in the presence of a nonionic protective colloid; wherein said copolymer has a particle size of less than one micron; wherein said aqueous dispersion has a Brookfield viscosity, at 60 rpm using spindle 3, of less than 2000 cps; wherein said aqueous dispersion is colloidally stable and sedimentation stable.