73200-81-4 Poly(propylene oxide) glycerol ether, dimethylol propionic acid, methylenebis(4-cyclohexylisocyanate)polymer Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with1,1'-methylenebis(4-isocyanatocyclohexane) and alpha,alpha',alpha''-1,2,3-propanetriyltris(omega-hydroxypoly(oxy(methyl-1,2-ethanediyl)))