| abstract |
PROBLEM TO BE SOLVED: To provide a polyester resin composition excellent in transparency, heat resistance, hydrolysis resistance, and stability during molding. A resin composition comprising a polyethylene terephthalate resin (A), an amorphous copolyester resin (B) having a glass transition temperature of 80 ° C. or higher, and a carbodiimide compound (C). With respect to the total amount of the composition of 100% by mass, the (A) is 50.0% by mass to 98.5% by mass, the (B) is 1.0% by mass to 49.9% by mass, the (C) In a ratio of 0.5% by mass or more and 5.0% by mass or less, and satisfies a specific condition. [Selection figure] None |