Patent ID: 8334047

Claim:
A paper coating composition, comprising: a binder; a first hollow polymeric pigment having a volume median diameter measured by hydrodynamic chromatography of a first predetermined value; and a second hollow polymeric pigment having a volume median diameter measured by hydrodynamic chromatography of a second predetermined value that is at least twenty-five percent smaller than the first predetermined value where the hollow polymeric pigment is derived from a polymer particle comprising an acid-free hydrophilic core copolymer phase made of (meth)acrylate monomers, vinyl ester monomers of carboxylic acids or a mixture thereof, and one or more crosslinking monomers; the core copolymer being base-hydrolyzable at temperatures greater than the Tg of the copolymer wherein the amount of the total hollow polymeric pigment used in the coating composition is about 30 parts to about 65 parts per 100 weight parts of a total polymeric pigment.