| abstract |
Disclosed is a 2-substituted-4, 6-diamino-s-triazins/ isocyanuric acid adduct represented by the following formula:wherein R stands for an alkyl group having 2 to 20 carbon atoms, an unsubstituted or cyano group-substituted aryl group, or a group of the formula R<sup>1</sup>-CH<sub>2</sub>CH<sub>2</sub>- in which R' stands for an alkoxy group having up to 20 carbon atoms, an acyloxy group, an amino group, an N-substituted amino group, a benzotriazolyl group or a 2-alkylimidazolyl-(4)-dithiocarbonyl group, or by the following formula: wherein R<sup>2</sup> -(CH<sub>2</sub>)<sub>m</sub>-(X)<sub>p</sub>-(CH<sub>2</sub>)<sub>m</sub>- wherem is 1 or 2p is 0 or 1 andX is imino or phenylene.When this adduct is used for curing a polyepoxy resin, a cured product having good heat resistance, insulating property and adhesion and an excellent migration-preventing effect is formed. |