REFRIGERATOR OIL, AND WORKING FLUID COMPOSITION FOR REFRIGERATOR

To provide a refrigerator oil that allows the dissolution of a copolymer as a viscosity index improving agent but prevents its precipitation, even when combined with a refrigerant.SOLUTION: The present invention relates to a refrigerator oil that contains a copolymer containing, as essential constit...

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Bibliographische Detailangaben
Hauptverfasser:	OGATA KAZUKI, TORII NAOHIRO, OGATA HIDETOSHI, GOTO KEI, SEKI YUMA, NAKAJIMA TATSUKI, MIZUTANI YUYA, SUGIYAMA YOSHIMITSU
Format:	Patent
Sprache:	eng ; jpn
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:	To provide a refrigerator oil that allows the dissolution of a copolymer as a viscosity index improving agent but prevents its precipitation, even when combined with a refrigerant.SOLUTION: The present invention relates to a refrigerator oil that contains a copolymer containing, as essential constituent monomers, a fluorine atom-containing monomer represented by formula (1) and a monomer represented by formula (2), and oxygen atom-containing base oil.SELECTED DRAWING: None 【課題】冷媒と共に用いられた場合でも粘度指数向上剤である共重合体が溶解し、析出しにくい冷凍機油を提供する。【解決手段】式（１）で表されるフッ素原子を有する単量体及び式（２）で表される単量体を必須構成単量体とする共重合体及び含酸素原子基油を含有する冷凍機油。TIFF2024092517000013.tif35156TIFF2024092517000014.tif35156【選択図】なし