Patent ID: 8314182

Claim:
A scratch resistant resin composition comprising: (A) about 5 to about 50 parts by weight of a core-shell graft resin having a double shell structure comprising an inner shell and an outer shell, wherein said inner shell comprises a styrene-acrylonitrile copolymer resin and said outer shell comprises a polymethyl methacrylate (PMMA) resin or wherein each of said inner shell and said outer shell comprises a methyl methacrylate-acrylonitrile-styrene copolymer; and (B) about 95 to about 50 parts by weight of a resin comprising about 40 to about 100% by weight of a (meth)acrylic acid alkyl ester, wherein said core-shell graft resin (A) comprises about 30 to about 70 parts by weight of rubber, about 15 to about 55 parts by weight of methyl methacrylate, about 1 to about 5 parts by weight of acrylonitrile and about 5 to about 35 parts by weight of styrene.