Patent ID: 8492496

Claim:
A copolymer comprising the reaction product of: (a) (meth)acrylate functionalized nanoparticles selected from the group consisting of silica nanoparticles, zirconia nanoparticles, titania nanoparticles, and combinations thereof, (b) vinyl monomer, selected from the group consisting of styrene, (meth)acrylic acid, acrylonitrile, N-vinyl pyrrolidone, methyl (meth)acrylate, isopropyl (meth)acrylate, butyl (meth)acrylate, isobutyl (meth)acrylate, octadecyl (meth)acrylate, isobornyl (meth)acrylate, hydroxyethyl (meth)acrylate, hydroxybutyl (meth)acrylate, hydroxyhexyl (meth)acrylate, hydroxydecyl (meth)acrylate, hydroxydodecyl (meth)acrylate, 2-methacryloxypropyltrimethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-methacryloxypropyltrichlorosilane, glycidyl (meth)acrylate, N-methylol methacrylamide, N-methylol acrylamide, and mixtures thereof, and (c) silicone macromer represented by the formula: X—(Y) n —Si(R) 3-m Z m wherein the copolymer is i X is a vinyl group, Y is a divalent linking group, n is zero or 1, R is hydrogen, alkyl, aryl, or alkoxy, m is an integer of from 1 to 3, and Z is a monovalent siloxane polymeric moiety comprising an Si—O—Si group and having a number average molecular weight above about 1,000 and is essentially unreactive under copolymerization conditions.