Polyoxyalkylene diamine reaction products which contain as the principle reaction component, a diamine having the formula: ##STR1## wherein R' independently represents hydrogen or methyl and x is a number having an average value of at least 1 to about 60 and a diisocyanate of the formula: ##STR2## The products of the invention are obtained by reacting an excess of polyoxyalkylene diamine with a diisocyanate in the presence of a polar solvent and have the following general structures: ##STR3## where B is alkyl group from diisocyanates, and R' has the same meaning as above.These products are further used to prepare coatings with improved properties by reacting said amine products with isocyanates prepolymers and epoxy material.