Patent ID: 6503967
Filing Date: 2003-01-07
Classification: C08G

Abstract:
A curing agent for epoxy resins, the curing agent containing as an active ingredient a compound represented by the formula (1) or a salt thereof and an amine compound or a salt thereof, the curing agent being characterized in that at least one of the compound represented by the formula (1) and the amine compound is a salt of thiocyanic acid:NH2N(R1)(R2)â€ƒâ€ƒ(1) wherein R1 and R2 are the same or different and each represents alkyl having 1 to 8 carbon atoms, aryl, a nitrogen-containing heterocyclic group or when taken together, represents alkylene having 2 to 11 carbon atoms or a group represented by â€”R3â€”R4â€”R5â€” wherein R3 and R5 are the same or different and each represents alkylene having 1 to 8 carbon atoms, and R4 is an oxygen atom, a sulfur atom or a group &boxH;NR6 or &boxH;NNH2, wherein R6 is a hydrogen atom or alkyl having 1 to 8 carbon atoms.