Patent ID: 6911503

Claim:
A curing agent composition for an epoxy resin, comprising a compound as a curing agent (B) which is selected from the group consisting of the following (B1) to (b3): (B1) a phenol compound having two or more hydroxyl functional groups, (B2) a compound in which a hydroxyl group of a phenol compound having two or more hydroxyl functional groups is esterified with an acyl group, and (B3) a mixture of the compounds (B1) and (B2), and a salt of a phosphazenium compound as a curing accelerator (C) which is represented by the following formula (I): (wherein R 1 s each represent a hydrogen atom, a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms or an aryl or aralkyl group having 6 to 10 carbon atoms and may be all the same or different from one another; and Z − represents a halogen anion, hydroxy anion, alkoxy anion, aryloxy anion or carboxy anion).