73772-38-0

Hexanedioic acid, polymer with 1,4-butanediol, 1,2-ethanediol, 1,1-methylenebis[4-isocyanatobenzene] and .alpha.,.alpha.-[(1-methylethylidene)di-4,1-phenylene]bis[.omega.-hydroxypoly(oxy-1,2-ethanediyl)]