PRODUCTION OF POLYCARBONATE COMPOSITION

PROBLEM TO BE SOLVED: To produce a polycarbonate composition having excellent heat stability, by dispersing additives homogeneously in a polycarbonate, which is produced by melt transesterification, and in molten condition. SOLUTION: This polycarbonate composition is produced by mixing at least one...

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Bibliographische Detailangaben
Hauptverfasser:	KAWAZOE SHINYA, YATANI HIROSHI
Format:	Patent
Sprache:	eng
Schlagworte:	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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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To produce a polycarbonate composition having excellent heat stability, by dispersing additives homogeneously in a polycarbonate, which is produced by melt transesterification, and in molten condition. SOLUTION: This polycarbonate composition is produced by mixing at least one of additives with polycarbonate (B) taken out in molten condition from polycarbonate (A) produced by transesterification from an aromatic dihydroxy compound and carbonic acid diester, and mixing the mixture kept molten without being solidified with polycarbonate (A) being in molten condition.