abstract |
(57) [Summary] [Purpose] Impact strength, polybutylene-2,6-naphthalenedicarboxylate (PBN) without sacrificing heat resistance. Provide a composition with improved elastic modulus and the like. [Structure] 60 to 95 parts by weight of PBN and polyethylene A polyester composition comprising 40 to 5 parts by weight of 2,6-naphthalenedicarboxylate. |