A process for the filtration of molten polycarbonate

A process for purifying polycarbonate is disclosed. The process entails filtering molten polycarbonate having weight average molecular weight of 14,000 to 30,000 g/mol through at least one non-woven metal structure having a thickness of 5 to 1 mm, said structure including at least one dense layer, a...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	KARBACH, ALEXANDER, HAESE, WILFRIED, NIETZWETZKI, BERNHARD, MELLIS, RAINER, RUYTINX, BERT, EBERT, WOLFGANG, MEYER, ALEXANDER
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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