AMINATED SILICATE COMPOSITION AND DEHYDRATING AGENT CONTAINING THE SAME.

摘要

The following are claimed: (1) a silicate compsn. contg. amino gp. obtd. by reacting a tetraalkoxysilane (I) or a silicate oligomer obtd. by partial hydrolysis (0-65, pref. 0-50,% degree of hydrolysis) and dehydrating polycondensn. of (I) with an amino-alcohol having 1 or 2 OH gps.; (2) a dehydrating agent comprising (1); (3) a nonfoamed urethane resin obtd. by reacting a polyol to which (2) has been added and an isocyanate; (4) a hardening agent for an epoxy resin comprising (1), and (5) an epoxy resin obtd. by reacting an epoxy cpd. contg. at least one epoxy gp. using (4).