Patent ID: 8466238

Claim:
An epoxy resin composition comprising (a) a latent curing agent and (b) an epoxy resin, wherein: (a) the latent curing agent is for curing (b) the epoxy resin, and comprises a hydroxyl-free amine imide having the following general formula (1): where R 1 and R 4 each denote an organic group and are the same or different; R 2 and R 3 independently denote a non-substituted or substituted alkyl or aryl group or are joined together to form a ring; R 5 denotes an organic group; and none of R 1 to R 5 has an organic group reactive with (b) the epoxy resin, and having an N—N bond energy of 100 to 210 kJ/mol as determined by the B3LYP density functional method.