Lubricant for Low Global Warming Potential Refrigerant Systems

The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes a polyolester oil, an alkylbenzene oil, and a low GWP refrigerant, and where the ester based lubricant comprises dipentaeryth...

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Bibliographische Detailangaben
Hauptverfasser:	Turner, Neil D, Baker, Mark R, Foster, Michael G, Karnaz, Joseph A
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES FUELS LUBRICANTS LUBRICATING COMPOSITIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PEAT PETROLEUM, GAS OR COKE INDUSTRIES POLISHES TECHNICAL GASES CONTAINING CARBON MONOXIDE USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATINGINGREDIENTS IN A LUBRICATING COMPOSITION
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Beschreibung
Zusammenfassung:	The disclosed technology relates to a working fluid for a low global warming potential (GWP) refrigeration system that includes a compressor, where the working fluid includes a polyolester oil, an alkylbenzene oil, and a low GWP refrigerant, and where the ester based lubricant comprises dipentaerythritol esterified with a mixture of carboxylic acids, wherein the mixture of carboxylic acids comprises at least one linear carboxylic acid having 8 to 10 carbon atoms. The disclosed technology provides commercially useful low GWP working fluids (commercially useful working fluids based on low GWP refrigerants) that do not have the solubility and/or miscibility problems commonly seen in low GWP fluids, including high viscosity fluids and applications.