Polyhydric phenol, and epoxy resin and epoxy resin composition derived therefrom

摘要

An epoxy resin composition contains (a) an epoxy resin represented by the general formula (2) <IMAGE> wherein R1 to R4 independently represent hydrogen, an alkyl or cycloalkyl group having 1 to 9 carbon atoms, or halogen, and X represents hydrogen, an alkyl group having 1 to 9 carbon atoms, or an aryl and n represents an average number of repeating units of 0.1 to 1.6; and a curing agent.