NOVEL POLYVALENT HYDROXY COMPOUND, METHOD FOR PRODUCING THE COMPOUND, EPOXY RESIN AND EPOXY RESIN COMPOSITION EACH USING THE COMPOUND, AND CURED PRODUCT OF THE COMPOSITION

摘要

Disclosed are a novel polyvalent hydroxy compound and an epoxy resin, each represented by the general formula (1) below. The resin is excellent in close adhesion to a different material, and enables to obtain a cured product having excellent flame retardancy and heat resistance. H-L1-(X-L1)n-H (1) In the general formula (1), L1 represents a group represented by the following formula (2): (wherein R1 represents a hydrogen atom, a hydroxy group, a glycidyloxy group, an alkoxy group having 1-8 carbon atoms, a halogen atom or a hydrocarbon group having 1-8 carbon atoms; and G represents a hydrogen atom or a glycidyl group); and X represents a crosslinking group represented by the following formula (a) or the following formula (b). In the formulae (a) and (b), R2, R3, R4 and R5 independently represent a hydrogen atom or a hydrocarbon group having 1-6 carbon atoms; B represents a group composed of a benzene ring, a biphenyl ring or a naphthalene ring; and n represents a number of 0-20.