| abstract |
(57) [Summary] (Modifications) [PROBLEMS] To provide a thermoplastic resin composition having a molded article having a low head impact index, high heat deformation resistance, and excellent appearance and moldability. An aromatic vinyl compound and an acrylic ester copolymer (I) obtained by polymerizing a monomer copolymerizable therewith, a maleimide monomer, an alkyl (meth) acrylate, and an aromatic vinyl compound , Vinyl cyanide compounds, And 15 to 80 parts by weight of a maleimide copolymer (II) obtained by polymerizing a monomer copolymerizable therewith, a rubber polymer (A), an aromatic vinyl compound, (meth) acrylate, cyan A graft copolymer (III) obtained by polymerizing a vinyl compound and a monomer mixture of a monomer copolymerizable therewith, comprising 20 to 85 parts by weight, and having a rubber polymer content of 5 to 50% by weight. To 100 parts by weight of the resin composition, 0.01 to 5 parts by weight of at least one of the following stabilizers (a), (b), and (c) and / or 0.05 of the following lubricant (d) A thermoplastic resin composition comprising up to 8 parts by weight. (A) hindered amine stabilizer. (B) Fight stabilizer. (C) Hindered phenol compounds. (D) Ester-based lubricants. |