groups capable of reacting with isocyanato groups, and a polyisocyanate; and the polyaminoetherpolyol is obtained by condensation of diols and contains at least 30 mol% amino alcohol represented by the general formula (I): ##STR1## wherein R1 and R3 are independently alkyl groups with 1 to 5 carbon atoms, and R2 is an alkyl group, an aralkyl group, or an aryl group with 1 to 15 carbon atoms.