1,3-Benzenedicarboxylic acid, polymer with 1,4-butanediol, 4,4'-diisocyanato-3,3'-dimethyl-1,1'-biphenyl, 1,6-hexanediol, alpha-hydro-omega-hydroxypoly(oxy-1,4-butanediyl), nonanedioic acid and 2,2'-(1,4-phenylenebis(oxy))bis(ethanol) 100916-01-6