A coating composition comprising a binder of a. polyisocyanate crosslinking agent; b. an isocyanate-reactive component having at least one compound having the following formula: ##STR00001## wherein n on average is 1.7 to 2 and X stands for a cycloaliphatic norbornane derivative containing methylene amine groups of formula (II) ##STR00002## either alone, as combinations of these, and/or as mixtures of isomers of these, in which the exact point of attachment and orientation of --CH.sub.2-- group to the NH group and R.sup.20--R.sup.22 to the norbornane scaffold can vary and mixtures of compounds and isomers are commonly utilized by this invention; two component compositions and articles coated with the novel composition also are part of the invention.