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AssigneePPG Industries Ohio, Inc.
InventorsDavid R. Fenn, Dennis L. Faler, Linda Anderson, Tety Roper
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An aqueous dispersion includes particles at least partially encapsulated in a microgel where the microgel is prepared from a hyperbranched acrylic polymer. In addition, a method for making an aqueous dispersion includes: (1) mixing in an aqueous medium: (a) particles, (b) at least one ethylenically unsaturated monomer, and (c) a water-dispersible hyperbranched acrylic polymer having ethylenic unsaturation; and (2) polymerizing the at least one ethylenically unsaturated monomer and water-dispersible hyperbranched acrylic polymer having ethylenic unsaturation to at least partially encapsulate the particles in a microgel.
An aqueous dispersion comprising particles at least partially encapsulated in a microgel, wherein the microgel is formed from a hyperbranched acrylic polymer.
Dependencies are inferred from the claim text.