REFRIGERATING MACHINE OIL AND WORKING FLUID COMPOSITION

To provide a refrigerating machine oil which can prevent consumption of an antioxidant.SOLUTION: According to one aspect of the present invention, a refrigerating machine oil includes: an ester as a base oil of trihydric alcohol with C14-20 fatty acid; and an antioxidant. The ester has a peroxide va...

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Bibliographic Details
Main Authors OGATA HIDETOSHI, KAWAGUCHI MASAKI, SEKI YUMA, MIZUTANI YUYA, OKAZAKI MOTOYA
Format Patent
LanguageEnglish
Japanese
Published 16.10.2023
Subjects
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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Summary:To provide a refrigerating machine oil which can prevent consumption of an antioxidant.SOLUTION: According to one aspect of the present invention, a refrigerating machine oil includes: an ester as a base oil of trihydric alcohol with C14-20 fatty acid; and an antioxidant. The ester has a peroxide value of 5 mg/kg or more.SELECTED DRAWING: None 【課題】酸化防止剤の消耗を抑制することができる冷凍機油を提供すること。【解決手段】本発明の一側面は、基油として、三価アルコールと炭素数１４～２０の脂肪酸とのエステルと、酸化防止剤と、を含有し、エステルの過酸化物価が５ｍｇ／ｋｇ以上である、冷凍機油である。【選択図】なし
Bibliography:Application Number: JP20220058609