LUBRICANT COMPOSITION FOR HYDRAULIC OIL

To provide a lubricant composition suitable for a hydraulic oil because the composition has an excellent oxidative stability and a frictional property even under severe high-temperature high-humid environment.SOLUTION: There is provided a lubricant composition that comprises: a base oil; a liquid ol...

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Hauptverfasser:	LEE HYEUNG JIN, JU JIN HUN
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CHEMISTRY FUELS LUBRICANTS LUBRICATING COMPOSITIONS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES 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 lubricant composition suitable for a hydraulic oil because the composition has an excellent oxidative stability and a frictional property even under severe high-temperature high-humid environment.SOLUTION: There is provided a lubricant composition that comprises: a base oil; a liquid olefin copolymer; a phosphorothioate compound; and phosphonium phosphate.SELECTED DRAWING: None 【課題】高温、高圧の過酷な環境下でも優れた酸化安定性および摩擦特性を持つため油圧作動油に適した潤滑油組成物を提供する。【解決手段】本発明は、ベースオイル、液状オレフィン共重合体、ホスホロチオアート化合物、及びホスホニウムホスフェートを含む潤滑油組成物を提供する。【選択図】なし