Polyepoxide/polyether mono- or polyamine precursor reacted with mono- or polyamine, epoxy resin-amine adduct and monoepoxide-amine adduct

摘要

A curing agent for epoxy resin comprises:;a) a reaction product of at least one polyalkylene polyether monoamine and/or polyamine with a polyepoxide and, optionally, a monoepoxide to obtain an epoxide group-containing precursor, the precursor further reacted with a primary monoamine and/or a primary or secondary polyamine in at least a 10% molar excess relative to the epoxide groups of the precursor, the reaction product being substantially free of non-reacted amines;;b) an amine-terminated adduct of an epoxy resin and a primary monoamine and/or a primary or secondary polyamine being substantially free of non-reacted amines; and;c) an amine-terminated adduct of an epoxide group-containing reactive thinning agent and a primary monoamine and/or a primary or secondary polyamine being substantially free of non-reacted amines.