| 摘要 |
<p>Provided is an epoxy resin allowing a cured product that is less changed in terms of heat resistance due to thermal history and has low thermal expansion, the epoxy resin having high solvent solubility. The epoxy resin is a polyglycidyl ether of a naphthol-novolac resin including, at predetermined proportions, a trimer and a dimer that have specific structures.</p> |
