COMPOSITION COMPRISING THERMOPLASTIC POLYMER AND COPPER-BASED STABILIZER, AND PRODUCTION AND USE THEREOF

The present invention relates to the use of a composition comprising: 70 to 91% by weight of at least one semi-crystalline polyamide, 5 to 25% by weight of at least one polyolefin having an epoxy, anhydride or acid function introduced by grafting or copolymerisation, 3 to 20% by weight of at least o...

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Bibliographische Detailangaben
Hauptverfasser:	Briffaud, Thierry, Montanari, Thibaut, Blondel, Philippe, Glasson, Fabrice
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to the use of a composition comprising: 70 to 91% by weight of at least one semi-crystalline polyamide, 5 to 25% by weight of at least one polyolefin having an epoxy, anhydride or acid function introduced by grafting or copolymerisation, 3 to 20% by weight of at least one plasticizer, 0.05 to 5% by weight of at least one stabilizer on the basis of a copper complex, and at least one catalyst, said composition being free from alkaline metal halide and oligo- or polycarbodiimide, as sealing layer in a pipe containing oil or gas, the pipe being used in the exploitation of offshore oil or gas reservoirs.