POLYESTER-BASED RESIN COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide a polyester-based resin excellent in gas barrier property and transparency, and a molded article using the resin composition.SOLUTION: A polyester-based resin composition contains: 0.005-0.1 pts.mass of a specific epoxy functional polymer (C), relative to 100 pts.mass of a resin component including 80-98 mass% of a polyester resin (A) including an aromatic dicarboxylic unit and a diol unit, and 2-20 mass% of a polyamide resin (B) including a diamine unit containing 70 mole% or more of a meta-xylylenediamine unit and a dicarboxylic acid unit containing 70 mole% or more of α,ω-aliphatic dicarboxylic acid unit.