METHOD OF PRODUCING AN ELECTRICALLY CHARGED FILM

A method of producing an electrically charged film includes the steps of forming a molten thermoplastic material into a web, electrically charging the web while the web is at a temperature substantially at or above a solidification temperature thereof, cooling the web below the solidification temper...

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Bibliographische Detailangaben
Hauptverfasser:	PORCHIA, JOSE, MARTIN, FREDERICK, H, GRISSMEYER, JULIE, M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CHEMISTRY COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULARARTICLES METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS 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 WORKING-UP
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Beschreibung
Zusammenfassung:	A method of producing an electrically charged film includes the steps of forming a molten thermoplastic material into a web, electrically charging the web while the web is at a temperature substantially at or above a solidification temperature thereof, cooling the web below the solidification temperature thereof after charging and winding the web into individual rolls immediately following the cooling step.