roup having at least two carbon atoms, and(b) a diamine of the formulaFORMULA (2)wherein R2 is a divalent organic group having at least two carbon atoms,(II) an epoxy resin, and(III) at least one amine selected from the group consisting of a s-triazine type amine compound of the formula:FORMULA (3)wherein R3, R4, and R5 are independently hydrogen, halogen, a hydrocarbon group, an amino group, a hy