POLYESTER RESIN COMPOSITION AND ARTICLE INCLUDING THE SAME

The present invention relates to a polyester resin composition comprises: with respect to 100 parts by weight of (A) a polybutylene terephthalate (PBT), more than or equal to 0.01 parts by weight and less than 0.1 parts by weight of (B) a phenol-based antioxidant, more than or equal to 0.01 parts by weight and less than 0.1 parts by weight of (C) a thioester-based antioxidant, more than or equal to 0.01 parts by weight and less than 0.2 parts by weight of (D) an ethylene acrylate-based copolymer, and more than or equal to 0.01 to less than 0.2 of (E) a Montan wax; and a molded article including the same. According to the present invention, high surface smoothness and excellent external appearance can be ensured. (A) 폴리부틸렌 테레프탈레이트(PBT) 수지 100 중량부에 대하여, (B) 페놀(phenol)계 산화방지제 0.01 중량부 이상 0.1 중량부 미만; (C) 티오에스테르(thioester)계 산화방지제 0.01 중량부 이상 0.1 중량부 미만; (D) 에틸렌 아크릴산계 공중합체 0.01 중량부 이상 0.2 중량부 미만; 및 (E) 몬탄 왁스(Montan wax) 0.01 이상 0.2미만을 포함하는 폴리에스테르 수지 조성물, 및 이를 이용한 성형품에 관한 것이다.