Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer withalpha-(2-aminomethylethyl)-omega-(2-aminomethylethoxy)poly(oxy(methyl-1,2-ethanediyl)), alpha-hydro-omega-hydroxypoly(oxy-1,2-ethanediyl), 1,1-methylenebis(4-isocyanatocyclohexane) and 2-o