ORIENTED FLUOROPOLYMER FILM

The present invention provides oriented film comprising the composition 55 to 95 wt % tetrafluoroethylene/hexafluoropropylene/-perfluoro(alkyl vinyl ether) copolymer and 45 to 5 wt % tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer to total 100 wt % based on the combined weight of said cop...

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Bibliographische Detailangaben
Hauptverfasser:	VENKATARAMAN, SUNDAR KILNAGAR, ATEN, RALPH MUNSON, YOUNG, ROBERT THOMAS, BURCH, HEIDI ELIZABETH
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 COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING 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:	The present invention provides oriented film comprising the composition 55 to 95 wt % tetrafluoroethylene/hexafluoropropylene/-perfluoro(alkyl vinyl ether) copolymer and 45 to 5 wt % tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer to total 100 wt % based on the combined weight of said copolymers, wherein the alkyl in each copolymer comprises 1 to 4 carbon atoms and wherein the presence of the tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer in the composition and the presence of perfluoro(alkyl vinyl ether) in both copolymers improves the thermoformability of the film as compared to oriented film of the same film thickness comprising the tetrafluoroethylene/hexafluoropropylene/perfluoro-(alkyl vinyl ether) copolymer by itself.