Synonyms: Poly(oxytetramethyleneoxycarbonyl-2,6-naphthylenecarbonyl)(8CI); 1,4-Butanediol-2,6-naphthalenedicarbonyl dichloride copolymer, SRU;1,4-Butanediol-2,6-naphthalenedicarboxylate acid polymer sru;1,4-Butanediol-2,6-naphthalenedicarboxylic acid copolymer sru;1,4-Butanediol-2,6-naphthalenedicarboxylic acid polymer sru;1,4-Butanediol-2,6-naphthalic acid polymer sru; 1,4-Butanediol-dimethyl2,6-naphthalenedicarboxylate copolymer sru; 1,4-Butanediol-dimethyl2,6-naphthalenedicarboxylate polymer sru;1,4-Butanediol-dimethyl-2,6-naphthalate copolymer, sru; C 8000; C 8000(polyester); PBN; PBN (polyester); Poly(2,6-butylene naphthalate-tetramethyleneglycol); Poly(butylene 2,6-naphthalate); Poly(butylene2,6-naphthalenedicarboxylate); Poly(butylene naphthalate); Poly(tetramethylene2,6-naphthalate); Poly(tetramethylene 2,6-naphthalate) sru; Poly(tetramethylene2,6-naphthalenedicarboxylate); TQB-KT; TQB-KT 77; TQB-OT; Tetramethyleneglycol-2,6-naphthalenedicarboxylic acid polymer sru