153890-22-3 Hexanedioic acid, polymer with 1,3-diisocyanatomethylbenzene, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediol, 1,6-hexanediol, 1,1'-methylenebis(isocyanatobenzene), oxirane and 2,2'-oxybis(ethanol), Me Et ketone oxime-blocked