| abstract |
(57) [Summary] [Structure] Polycyclohexane dimethylene terephthalate-based polyester resin, reinforcing filler 5 to 60% by weight, α 1 to 40% by weight of an elastomer obtained from olefin, glycidyl ester of α, β-unsaturated carboxylic acid, etc., 0.05 to 5 parts by weight of polyfunctional epoxy, 0.05 to 1 part by weight of a specific organic phosphite or phosphonite compound A polyester resin composition comprising A polyester resin composition particularly suitable for automobile electrical components. [Effect] It has high heat resistance, hydrolysis resistance, heat cycle resistance, retention stability, and high cycle resistance. |