TETRAFLUOROETHYLENE/PERFLUORO(ALKYL VINYL ETHER) COPOLYMER HAVING AN INCREASED MELTING TEMPERATURE

A Process is provided comprising melt fabricating Tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer characterized by an MFR of no greater than 10 g/10 min and PPVE content of no greater than 5 wt % in to a final-shape article and heat aging said article at a temperature of at least 295° C....

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Bibliographic Details
Main Author BURCH HEIDI ELIZABETH
Format Patent
LanguageEnglish
Published 16.10.2014
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
BASIC ELECTRIC ELEMENTS
CABLES
CHEMISTRY
COMPOSITIONS BASED THEREON
CONDUCTORS
ELECTRICITY
INSULATORS
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
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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Summary:A Process is provided comprising melt fabricating Tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer characterized by an MFR of no greater than 10 g/10 min and PPVE content of no greater than 5 wt % in to a final-shape article and heat aging said article at a temperature of at least 295° C. to increase the melting temperature of said tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer by at least 6° C.
Bibliography:Application Number: US201214356403