Hexanedioic acid, polymer with 1,6-diisocyanatohexane, 2,2-dimethyl-1,3-propanediol, 1,2-ethanediamine, 1,6-hexanediol, 3-hydroxy-2-(hydroxymethyl)-2-methylpropanoic acid, 5-isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane and 1,1'-methylenebis[4-isocyanatocyclohexane], 2-hydroxyethyl acrylate- and 2-oxepanone homopolymer 2-[(1-oxo-2-propen-1-yl)oxy]ethyl ester- and pentaerythritol triacrylate-blocked, compds. with triethylamine