COMPOSITION OF POLYEPOXIDE, PHENOLIC CO-CONDENSATE AND PHOSPHONIUM-POLYPHENOLIC MOLECULAR ASSOCIATION PRODUCT

摘要

THE PRESENT INVENTION PROVIDES AN EPOXY RESIN COMPOSITION THAT HAS BOTH A RAPIDLY-CURABILITY AND AN EXCELLENT STORAGE STABILITY AND IS USEFUL IN THE FIELD OF ELECTRONIC AND ELECTRIC MATERIALS. THAT IS, THE PRESENT INVENTION IS AN EPOXY RESIN COMPOSITION COMPRISING A COMPOUND (A) HAVING TWO OR MORE EPOXY GROUPS IN THE MOLECULE, A CO-CONDENSATION PRODUCT (B) HAVING TWO OR MORE PHENOLIC HYDROXYL GROUPS IN THE MOLECULE, AND A MOLECULAR ASSOCIATION PRODUCT (C) OF A TETRA-SUBSTITUTED PHOSPHONIUM (X), A COMPOUND (Y) HAVING TWO OR MORE PHENOLIC HYDROXYL GROUPS IN THE MOLECULE , AND A CONJUGATE BASE OF THE COMPOUND (Y) HAVING TWO OR MORE PHENOLIC HYDROXYL GROUPS IN THE MOLECULE, SAID CONJUGATE BASE BEING A PHENOXIDE TYPEE COMPOUND OBTAINED BY REMOVING A HYDROGEN ATOM FROM THE AFORESAID COMPOUND (Y) HAVING TWO OR MORE PHENOLIC HYDROXYL GROUPS IN THE MOLECULE.