Polyester resin composition and a relay component formed thereof.

摘要

A polyester resin composition comprising (A) an aromatic polyester resin and (B) a polyester block copolymer resin which consists essentially of (a) a polyester soft block comprising an aromatic dicarboxylic acid component and a glycol component having 5 or more carbon atoms as main constituents and having a melting point of about 100 DEG C or less or being amorphous and (b) a polyester hard block having a melting point of about 150 DEG C or more. A relay component formed of the above polyester resin composition has excellent vibration-damping and noise suppression properties.