To provide a polyester resin composition excellent in flexibility at normal temperature, and reduced in brittleness, and excellent in wet heat durability and flame retardancy, particularly to provide a copolymerized polyester resin composition suitable for molding applications and potting processing applications to electric and electronic parts.
The copolymerized polyester resin composition contains a copolymerized polyester resin (A) containing an aromatic dicarboxylic acid and a dimmer acid as acid components, and 1,4-butanediol and polybutadiene glycols as glycol components, wherein the content of the dimmer acid in the acid components is 10 to 50 mol%, the content of 1,4-butanediol in the glycol components is ≥50 mol%, and the content of the polybutadiene glycols in the glycol components is 0.5 to 20 mol%, and an aromatic condensed phosphate ester compound (B).
TOMIZAWA MOTOTAKA
TANAKA TOMOKI
OKOCHI TAKAO
KIDA NAOMI
NIPPON ESTER CO LTD
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