Propanoic acid, 3-hydroxy-2-(hydroxymethyl)-2-methyl-, polymer with 1,3-bis(1-isocyanato-1-methylethyl)benzene, diphenyl carbonate, 1,6-hexanediol, 2,2'-iminobis[ethanol], 5-isocyanato-1-(isocyanatomethyl-1,3,3-trimethylcyclohexane, 2-methyl-1,5-pentanediamine, 2-oxepanone and α-(2-oxiranylmethyl)-ω-(2-oxiranylmethoxy)poly(oxy-1,2-ethanediyl), reaction products with N-butyl-1-butanamine, compds. with triethylamine