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|1. (WO2017188448) COMPOSITION FOR CURABLE RESIN, AND CURED PRODUCT THEREOF|
|Applicants:||JXTG NIPPON OIL & ENERGY CORPORATION
|Title:||COMPOSITION FOR CURABLE RESIN, AND CURED PRODUCT THEREOF|
Provided are: a composition for a benzoxazine-compound-containing curable resin, which can be used under severer use conditions in the fields of adhesive agents, sealing materials, paints, matrix resins for composite materials and the like, and from which a cured article having high strength and high heat resistance can be produced; and a cured product of the composition. The composition comprises (A) a polyfunctional benzoxazine compound having at least two benzoxazine rings and (B) a polyfunctional epoxy compound having at least one norbornane structure and at least two epoxy groups. The polyfunctional benzoxazine compound (A) is a first benzoxazine compound having at least two benzoxazine ring structures each represented by formula (1) or a second benzoxazine compound represented by formula (2).