| abstract |
[PROBLEMS] To provide an additive for an epoxy resin composition having excellent storage stability and adhesiveness. SOLUTION: An epoxy resin additive represented by the following general formula (1) or (2). (However, R 1 is hydrogen, a vinyl group or an alkyl group having 1 to 5 carbon atoms, R 2 is a hydrogen or an alkyl group having 1 to 20 carbon atoms, and R 3 and R 4 are alkyl groups having 1 to 3 carbon atoms. Base) |