| abstract |
(57) [Summary] [Object] To provide a method for producing a saturated polyester elastomer composition for a molding material, which is excellent in heat resistance, weather resistance, and melt moldability. [Structure] A copolymer obtained by polycondensing an aromatic dicarboxylic acid, an alkylene glycol and a poly (alkylene oxide) glycol in the coexistence of a titanium catalyst and a hindered phenol compound, and a benzotriazole ultraviolet absorber and 3 , 5-di-t-butyl-4-hydroxy- Benzylphosphonate diethyl ester is added. |