Thermoplastic polyphosphonatophenyl ester carbonate from aryloxycarbonyloxy-benzoic acid aryl ester and preparation thereof

摘要

A two step catalyzed process for the preparation of thermoplastic polyphosphonatophenyl ester carbonates comprising first, the preparation of an aryloxy carbonyloxy-benzoic acid aryl ester and second, its transesterification with a phosphonic acid diphenyl ester and a diphenol is disclosed.