Process for the preparation of thermoplastic...

Details Process for the preparation of thermoplastic... Process for the preparation of thermoplastic...

C - Chemistry, Metallurgy

07

F

402/174

C07F 9/40 (2006.01) C08G 63/692 (2006.01) C08G 79/04 (2006.01)

Patent

CA 1188034

A PROCESS FOR THE PREPARATION OF THERMOPLASTIC POLYPHOSPHONATOPHENYL ESTER CARBONATES ABSTRACT OF THE DISCLOSURE A two step catalyzed process for the prepara- tion of thermoplastic polyphosphonatophenyl ester car- bonates 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.

413222

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