Abstract: The present invention relates to a dimeric urethane compounds derived from monohydric alcohols, generally fatty alcohols, and a diisocyanate according to the following reaction scheme: ##STR1## wherein R.sub.1 is selected from the group of saturated or halogen substituted linear, cyclic or branch-chained hydrocarbons and R.sub.2 is a linear, cyclic or branch-chained alkyl or aminoalkyl group ranging from two to 200 carbon atoms, preferably two to 50 carbons, more preferably 6 to 36 carbons, said urethane compound being substantially free from terminal hydroxyl groups.