Polyphenylsulfone-polytetrafluoroethylene blend for anti-wear tapes in flexible oil pipes

The invention relates to an improved blend of polyphenylsulfone (PPSU) and polytetrafluoroethylene (PTFE) for producing friction-reducing tapes (anti-wear tapes) used as a friction-reducing intermediate layer in flexible fluid pipes, e.g. oil pipes.

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Bibliographische Detailangaben
Hauptverfasser:	WILLEMANN RICARDO LUIZ, DREXLER ALBERT, BUMANN DETLEF
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING BLASTING CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL PROCESSES OF COMPOUNDING HEATING JOINTS OR FITTINGS FOR PIPES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PIPES SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING THEIR PREPARATION OR CHEMICAL WORKING-UP THERMAL INSULATION IN GENERAL TRANSPORTING WEAPONS WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to an improved blend of polyphenylsulfone (PPSU) and polytetrafluoroethylene (PTFE) for producing friction-reducing tapes (anti-wear tapes) used as a friction-reducing intermediate layer in flexible fluid pipes, e.g. oil pipes.