Patent ID: 8658720

Claim:
A thermoplastic resin composition comprising: (A) about 20 or more but less than about 100% by weight of a polycarbonate resin; and (B) more than about 0 but not more than about 80% by weight of a branched (meth)acrylic copolymer resin, wherein said branched (meth)acrylic copolymer resin (B) is a copolymer consisting of (b1) about 5 to about 99.999% by weight of an aromatic methacrylate, an aliphatic methacrylate, or a mixture thereof represented by the following Chemical Formula 1, Chemical Formula 2, or a mixture thereof; (b2) about 0 to about 85% by weight of a mono-functional unsaturated monomer selected from the group consisting of methacrylic acid ester monomers, acrylic acid ester monomers, unsaturated carboxylic acid monomers, acid anhydride monomers, hydroxyl group containing ester monomers, and mixtures thereof, and (b3) about 0.001 to about 10% by weight of a branch-inducing monomer, or a mixture of copolymers thereof: wherein m is an integer from 0 to 10, and X comprises a cyclohexyl group, a phenyl group, a methylphenyl group, a methylethylphenyl group, a propylphenyl group, a methoxyphenyl group, a cyclohexylphenyl group, a chlorophenyl group, a bromophenyl group, a phenylphenyl group, or a benzylphenyl group; wherein m is an integer from 0 to 10, Y is oxygen (O) or sulfur (S), and comprises a cyclohexyl group, a phenyl group, a methylphenyl group, a methylethylphenyl group, a methoxyphenyl group, a cyclohexylphenyl group, a chlorophenyl group, a bromophenyl group, a phenylphenyl group, or a benzylphenyl group.