METHOD FOR PRODUCING POLYCARBONATE

A process for producing polycarbonate is disclosed. The process entails transesterification of at least one carbonic ester with a mixture that contains dihydroxyl compound and phenol. The amount of bisphenol A in the mixture is 10 to 100 mol % relative to the amount of dihydroxyl compound and phenol...

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Bibliographic Details
Main Authors HUCKS, MICHAEL, PREIN, MICHAEL, LANZE, ROLF
Format Patent
LanguageEnglish
French
German
Published 18.09.2002
Edition7
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A process for producing polycarbonate is disclosed. The process entails transesterification of at least one carbonic ester with a mixture that contains dihydroxyl compound and phenol. The amount of bisphenol A in the mixture is 10 to 100 mol % relative to the amount of dihydroxyl compound and phenol is present in the mixture in an amount of 0.1 to 200% relative to the weight of bisphenol A.
Bibliography:Application Number: EP20000971413