Provided is a thermoplastic resin composition which includes a first copolymer including a conjugated diene-based polymer, a unit derived from an aromatic vinyl-based monomer, and a unit derived from a vinyl cyan-based monomer; a second copolymer including a unit derived from an aromatic vinyl-based monomer and a unit derived from a vinyl cyan-based monomer; and, with respect to 100 parts by weight of the sum of the first copolymer and the second copolymer, 2.0 to 10 parts by weight of a third copolymer having a soft segment including a unit derived from a polyalkylene glycol and a hard segment including unit derived from an aromatic dicarboxylic acid or aromatic dicarboxylate and a unit derived from a linear aliphatic diol; and 2.5 to 10 parts by weight of a fourth copolymer including an aromatic dicarboxylic acid-derived unit, a unit derived from a linear aliphatic diol, and a unit derived from a cyclic aliphatic diol.
本发明提供了一种热塑性
树脂组合物,其中包括第一种共聚物,包括共轭二烯基聚合物、芳香
乙烯基单体衍生的单元和
乙烯基氰基单体衍生的单元;第二种共聚物,包括芳香
乙烯基单体衍生的单元和
乙烯基氰基单体衍生的单元;以及相对于第一种共聚物和第二种共聚物之和的 100 重量份,2.0至10份(重量)的第三种共聚物,该共聚物的软段包括衍生自聚亚烷基二醇的单元,硬段包括衍生自芳香族二
羧酸或芳香族二
甲酸酯的单元和衍生自线性脂肪族二元醇的单元;以及2.5至10份(重量)的第四种共聚物,该共聚物包括衍生自芳香族二
羧酸的单元、衍生自线性脂肪族二元醇的单元和衍生自环状脂肪族二元醇的单元。