1,4-Benzenedicarboxylic acid, polymer with 1,4-butanediol and tetrahydrofuran, block 1,4-Butanediol-terephthalic acid-tetrahydrofuran block copolymer 1,4-Butanediol-terephthalic acid-tetramethylene oxide block copolymer 1,4-Butanediol-terephthalic acid-THF alternating block copolymer 1,4-Butanediol-terephthalic acid-THF block copolymer 1,4-Butanediol-terephthalic acid-THF block polymer 1,4-Butanediol-tetrahydrofuran-terephthalic acid block copolymer 1,4-Butanediol-THF-terephthalic acid block copolymer 1,4-Butanediol, polymer with 1,4-benzenedicarboxylic acid and tetrahydrofuran, block 1,4-Butylene glycol-terephthalic acid-tetrahydrofuran block copolymer Butanediol-terephthalic acid-THF block copolymer Furan, tetrahydro-, polymer with 1,4-benzenedicarboxylic acid and 1,4-butanediol, block THF-1,4-butanediol-terephthalic acid block copolymer