| abstract |
The invention provides a curing agent for a water-based epoxy resin that contains a component (A) and a component (B) described below:n(A): at least one material selected from the group consisting of: (a1) polyamidoamine-based curing agents, (a2) reaction products of a polyamine compound and a polyepoxy compound, and (a3) Mannich reaction products of a polyamine compound, a phenol compound and an aldehyde compound,n(B): at least one material selected from the group consisting of: (b1) reaction products of styrene and an amine compound represented by general formula (1) shown below, and (b2) reaction products of epichlorohydrin and an amine compound represented by general formula (1) shown below. nIn formula (1), A represents a 1,2-phenylene group, a 1,3-phenylene group or a 1,4-phenylene group. |