STABILIZED HEAT TRANSFER COMPOSITIONS, METHODS AND SYSTEMS

The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises 39 to 45% by weight difluoromethane (HFC-32), 1 to 4% by weight pentafluoroethane (HFC-125), and 51 to 57% by weight trifluoroiodomethane (CF3I), and wherei...

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Bibliographische Detailangaben
1. Verfasser:	Smith, Gregory Laurence
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES BLASTING CHEMISTRY COMBINED HEATING AND REFRIGERATION SYSTEMS DYES FUELS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LUBRICANTS LUBRICATING COMPOSITIONS MANUFACTURE OR STORAGE OF ICE MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE MECHANICAL ENGINEERING METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION WEAPONS
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Beschreibung
Zusammenfassung:	The present invention relates to heat transfer compositions comprising refrigerant, lubricant and stabilizer, wherein the refrigerant comprises 39 to 45% by weight difluoromethane (HFC-32), 1 to 4% by weight pentafluoroethane (HFC-125), and 51 to 57% by weight trifluoroiodomethane (CF3I), and wherein said lubricant comprises polyol ester (POE) lubricant and/or polyvinyl ether (PVE) lubricant, and wherein said stabilizer comprises an alkylated naphthalene and optionally but preferably an acid depleting moiety.