HIGH TEMPERATURE RESISTANT POLYSULFONE INSULATION FOR PIPE

A polymeric composition for insulating fluid and/or gas transport conduits, such as off-shore oil and gas pipelines operating at temperatures of about 200Â°C or higher in water depths above 1,000 metres. The outer surface of the conduit is provided with at least one layer of solid or foam insulation...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	DENNIS WONG, STEPHEN J. EDMONDSON, MARCOS MOCKEL
Format:	Patent
Sprache:	eng ; spa
Schlagworte:	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 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
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Beschreibung
Zusammenfassung:	A polymeric composition for insulating fluid and/or gas transport conduits, such as off-shore oil and gas pipelines operating at temperatures of about 200Â°C or higher in water depths above 1,000 metres. The outer surface of the conduit is provided with at least one layer of solid or foam insulation comprising a high temperature resistant polysulfone having sulfone, ether and isopropylidene bridging groups, and/or a polyphenylsulfone or a polyethersulfone. Se describe una composición polimérica para aislar conductos para transporte de fluidos y/o gas, tales tuberías para petróleo y gas en alta mar, que operan a temperaturas de aproximadamente 200° C o mayores a profundidades de agua superiores a 1,000 metros. La superficie exterior del conducto se proporciona con al menos una capa de aislamiento sólido o espuma que comprende una polisulfona resistente a altas temperaturas que tiene grupos puente de sulfona, éter e isopropilideno, y/o una polifenilsulfona o poliétersulfona.