PROBLEM TO BE SOLVED: To provide a thermoplastic resin composition excellent in flowability, and excellent in color development property, heat resistance, and scratch resistance, and a molded article thereof.;SOLUTION: There is provided a (meth)acrylic acid ester copolymer (A) by polymerizing a vinyl monomer mixture (m1) containing a (meth)acrylic acid ester monomer, an N-substituted maleimide monomer, and an aromatic vinyl monomer, having content of the N-substituted maleimide monomer in total 100 mass% of the vinyl monomer mixture (m1) of less than 9 mass%, content of the aromatic vinyl monomer of 7 to 39 mass%. There is provided a thermoplastic resin composition containing the (meth)acrylic acid ester copolymer (A) and a graft copolymer (C) by polymerizing vinyl monomer mixture (m2) in the presence of a rubbery polymer (B).;SELECTED DRAWING: None;COPYRIGHT: (C)2019,JPO&INPIT
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