LUBRICANT BASE OIL

An object of the present invention is to provide a lubricant base oil having excellent biodegradability, excellent lubricating property (wear resistance) and excellent rust prevention property against sea water. An ester constituting a lubricant base includes: a component (A) derived from pentaeryth...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	KAWAMOTO Hideki, MONJIYAMA Shunsuke
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY FUELS INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATINGCOMPOSITIONS 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:	An object of the present invention is to provide a lubricant base oil having excellent biodegradability, excellent lubricating property (wear resistance) and excellent rust prevention property against sea water. An ester constituting a lubricant base includes: a component (A) derived from pentaerythritol in a molar percentage A mol % of 20 to 30 mol%; a component (B) derived from a straight-chain fatty acid having a carbon number of 14 to 22 in a molar percentage B mol % of 55 to 79 mol%; and a component (C) derived from adipic acid in a molar percentage C mol % of 1 to 15 mol%. A molar ratio (C mol /B mol ) of the component (C) derived from adipic acid and the component (B) derived from the straight-chain fatty acid having a carbon number of 14 to 22 is 0.02 to 0.25, and the ester has a hydroxyl value of 10 to 100 mgKOH/g.