Process for preparing polycarbonates

Details Process for preparing polycarbonates Process for preparing polycarbonates

C - Chemistry, Metallurgy

08

G

402/175

C08G 63/62 (1980.01)

Patent

CA 1106532

PROCESS FOR PREPARING POLYCARBONATES Abstract of the Disclosure A process for preparing linear polycarbonates containing terminal hydroxyl groups with the essential exclusion of other terminal groups by reacting glycols having a carbon number > 4 and cyclic esters of carbonic acid via ester interchange reaction at 100-300°C and 0.1 - 300 mm Hg.

314544

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