PROCESS WITH A DIE ASSEMBLY HAVING A COOLED DIE LAND

A process of extruding a molten polymeric composition onto a long, thin, continuous object such that the extruded composition forms on the object a coating with a matte finish on its surface, the process comprising the step of extruding from a die assembly the molten polymeric composition, the molte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BROWN, GEOFFREY D, YANG, YONGYONG, MUNDRA, MANISH K, LI, BIN, ZHU, JOURNEY LU
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BASIC ELECTRIC ELEMENTS CABLES CONDUCTORS ELECTRICITY INSULATORS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PERFORMING OPERATIONS PHYSICS SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A process of extruding a molten polymeric composition onto a long, thin, continuous object such that the extruded composition forms on the object a coating with a matte finish on its surface, the process comprising the step of extruding from a die assembly the molten polymeric composition, the molten polymeric composition having a bulk temperature, onto the object, with the proviso that after the molten polymeric composition is applied to the object and before it exits the die assembly, the molten polymeric composition passes over and in contact with a die land of the die assembly, the die land having a temperature below the bulk temperature of the molten polymeric composition.