73200-80-3 Poly(propylene oxide) glycerol ether, dimethylolpropionic acid, toluenediisocyanate polymer Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with1,3-diisocyanatomethylbenzene and alpha,alpha',alpha''-1,2,3-propanetriyltris(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)))