Thermoplastic polyester resin composition

摘要

To provide a thermoplastic polyester resin composition having excellent impact resistance, weldability and fluidity, 100 parts by weight of a thermoplastic polyester resin (A) having an intrinsic viscosity of at least 0.55 dl/g and containing at least 30 milliequivalents/kg of carboxyl end groups is blended with 1 to 10 parts by weight of a modified block copolymer (B) comprising a polymer block mainly comprising a vinyl aromatic compound and another polymer block mainly comprising a non-hydrogenated and/or hydrogenated conjugated diene compound in the same molecule wherein the conjugated diene component is partially or wholly epoxidized.