PRODUCTION OF MODIFIED POLYPHENYLENE OXIDE, EPOXY RESIN COMPOSITION CONTAINING MODIFIED POLYPHENYLENE OXIOE PRODUCED BY THE PROCESS, PREPREG MADE USING THE COMPOSITION, AND LAMINATE MADE USING THE PREPREG

摘要

PROBLEM TO BE SOLVED: To provide a process for producing a modified polyphenylene oxide(modified PPO) useful in the production of a laminate excellent in metal foil peeling strength, soldering heat resistance, prevention of soaking with plating solution, and high-frequency properties, an epoxy resin composition containing the modified PPO, a prepreg containing the composition, and a laminate made using the prepreg. ;SOLUTION: A PRO having a number-average mol.wt. of 10,000-30,000 is subjected to a redistribution reaction with a polyphenol compound in the presence of a free-radical initiator to obtain a phenol-modified PPO having a number-average mol.wt. of 1,000-3,000. This modified PPO is reacted with epichlorohydrin to produce a reaction product, which is a low-mol. modified PPO (a) having terminal epoxy groups. The epoxy resin composition and the prepreg contain the PPO (a). The laminate is obtained using the PPO (a).;COPYRIGHT: (C)1997,JPO