Epoxy resin microcapsule-type latent curing agent and a production method thereof, as well as one-component epoxy resin composition and cured product thereof

The present invention relates to a microcapsule-type latent curing agent having a capsule covering the core and the same. In the microcapsule-type curing agent according to the present invention, the core further comprises a amine adduct, capsule contains a reaction product of a compound and / or water with an isocyanate and an active hydrogen group. At least a portion of the reaction product is bonded to the core by reaction with the amine adduct.