Patent ID: 7396877

Claim:
A styrenic thermoplastic resin composition comprising: 100 parts by weight of a resin comprising 20-40 parts by weight of a rubber-modified styrene-containing graft copolymer and 60-80 parts by weight of a styrene-containing copolymer; 0.5-8 parts by weight of an acrylic rubber-modified copolymer resin; and 0.5-8 parts by weight of a graft copolymer resin comprising an ethylene α-olefininc copolymer rubber, wherein the acrylic rubber-modified copolymer composition comprises: 5-15 parts by weight of a seed in which alkyl acrylate is polymerized; 45-75 parts by weight of a core in which alkyl acrylate is polymerized; and 10-50 parts by weight of a shell in which alkyl methacrylate and/or alkyl acrylate is polymerized.