The polyester resin constituent, the polyester sheet, and polyester formation item

摘要

PROBLEM TO BE SOLVED: To provide a polyester resin composition having good transparency after molding and a heat resisting temperature of 80°C or higher, or 140°C or higher.;SOLUTION: The polyester resin composition comprises (A) a polyester resin composition consisting of a dicarboxylic acid component including a terephthalic acid unit as a main component and a glycol component including a tetramethylene glycol unit as a main component, having an amount of total modification of 3-20 mole%, and containing polyether glycol of 0.5-6 mole%, (B) a polyester resin consisting of a dicarboxylic acid component including a terephthalic acid unit as a main component and a glycol component including an ethylene glycol unit as a main component, and (C) a polyester resin.;COPYRIGHT: (C)2002,JPO