EPOXY RESIN, EPOXY RESIN COMPOSITION AND HARDENED PRODUCT THEREOF

摘要

AN OBJECT IS TO PROVIDE HARDENED PRODUCTS HAVING EXCELLENT WATER RESISTANCE AND MECHANICAL STRENGTH, AND AN EPOXY RESIN AND AN EPOXY RESIN COMPOSITION FOR USE IN THE PRODUCTION THEREOF. AN EPOXY RESIN OBTAINED BY THE GLYCIDYLATION OF A NOVOLAK TYPE RESIN WHICH IS PREPARED BY THE CONDENSATION OF BIPHENYLS WITH PHENOLS AND NAPHTHOLS, AND A RESIN COMPOSITION CONTAINING SAID EPOXY RESIN AND HARDENED PRODUCTS THEREOF.