REFRIGERATION LUBRICANTS

of the Invention Compression refrigeration equipment using tetrafluoroethane as a working fluid employs polyoxyalkylene glycols which are at least difunctional with respect to hydroxyl groups and a molecular weight between 300 and 2000. The range of miscibility of mixtures of the glycols with the re...

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Bibliographic Details
Main Authors MAGID, HILLEL, STIEL, LEONARD, THOMAS, RAYMOND, PELAVA, JOHN W
Format Patent
LanguageEnglish
French
Published 23.02.1993
Edition5
Subjects
ADHESIVES
CHEMISTRY
DYES
FUELS
INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS
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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Summary:of the Invention Compression refrigeration equipment using tetrafluoroethane as a working fluid employs polyoxyalkylene glycols which are at least difunctional with respect to hydroxyl groups and a molecular weight between 300 and 2000. The range of miscibility of mixtures of the glycols with the refrigerant will be from -40.degree.C to at least +20.degree.C.
Bibliography:Application Number: CA19880579552