1,3-Propanediol-2,6-naphthalenedicarboxylic acid dimethyl ester copolymer 1,3-Propanediol-dimethyl 2,6-naphthalate copolymer 1,3-Propanediol-dimethyl 2,6-naphthalenedicarboxylate copolymer 1,3-Propanediol, polymer with dimethyl 2,6-naphthalenedicarboxylate 2,6-Naphthalenedicarboxylic acid, 2,6-dimethyl ester, polymer with 1,3-propanediol 2,6-Naphthalenedicarboxylic acid, dimethyl ester, polymer with 1,3-propanediol Dimethyl 2,6-naphthalate-1,3-propanediol copolymer Dimethyl 2,6-naphthalate-1,3-propanediol polymer Dimethyl 2,6-naphthalate-1,3-propylene glycol copolymer Dimethyl 2,6-naphthalenedicarboxylate-1,3-propanediol copolymer Dimethyl 2,6-naphthalenedicarboxylate-1,3-propylene glycol copolymer Dimethyl 2,6-naphthalenedicarboxylate-trimethylene glycol copolymer