abstract |
(57) [Abstract] [PROBLEMS] To provide a cured product having excellent heat resistance, water resistance, and adhesiveness, and an epoxy resin composition giving the same. [Structure] An epoxy resin composition characterized by using a condensate of naphthol, cresol and formaldehyde as a curing agent for an epoxidized product of a condensate of phenol and dicyclopentadiene, the cured product being heat resistant. Excellent in water resistance and adhesiveness. |