Epoxy curing agent comprising a metaxylylenediamine-epichlorohydrin adduct

摘要

It has been found that non-blushing coatings of high gloss, long pot life and fast cure time may be obtained by using an epoxy curing agent which comprises an epichlorohydrin-metaxylylenediamine reaction product selected from the group consisting of N,N'-bis(3-aminomethylbenzyl)-2-hydroxytrimethylenediamine, the higher oligomers of N,N'-bis(3-aminomethylbenzyl)-2-hydroxytrimethylenediamine and mixtures thereof and a melting point depressant such as a benzyl alcohol or water and an alcohol solvent and, optionally, a tertiary amine such as N,N'-bis(3-(dimethylamino)propyl)-urea.