Process for reacting a phenol with a vicinal epoxy compound in the presence of phosphorus or carbon containing acid, ester or acid ester

摘要

A process for the preparation of phenolic hydroxy ethers whereby an aromatic hydroxyl-containing compound is reacted with a vicinal epoxy- containing compound in the presence of a phosphonium salt of an acid, ester or acid ester of an element selected from carbon or phosphorus, and to precatalyzed epoxy resin compositions comprising an epoxy resin and a catalyst as defined above.