| abstract |
The present invention provides a conjugated diene-based polymer, an aromatic vinyl-based monomer-derived unit, and a first copolymer comprising a vinyl cyan-based monomer-derived unit; And with respect to 100 parts by weight of the total of the second copolymer including units derived from an aromatic vinyl-based monomer and a unit derived from a vinyl cyanide-based monomer, a soft part including a unit derived from polyalkylene glycol, an aromatic dicarboxylic acid or an aromatic dicarboxylic acid 2.0 to 10 parts by weight of a third copolymer including a hard part including a carboxylate-derived unit and a linear aliphatic diol-derived unit; and 2.5 to 10 parts by weight of a fourth copolymer including units derived from aromatic dicarboxylic acid, units derived from linear aliphatic diols, and units derived from cyclic aliphatic diols. |