Two-phase lubricant

The present invention provides a lubricating oil composition comprising (a) from 45% to 75% by mass of a low viscosity first base oil component, which is a Fischer-Tropsch derived base oil having a kinematic viscosity at 100 DEG C in the range of from 3.5 mm2/s to 7.0 mm2/s; (b) from 3% to 35% by ma...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CACKEBUSCH, LANCE, J, UY DAVID, LIZARRAGA-GARCIA, ENRIQUE
Format:	Patent
Sprache:	chi ; eng
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:	The present invention provides a lubricating oil composition comprising (a) from 45% to 75% by mass of a low viscosity first base oil component, which is a Fischer-Tropsch derived base oil having a kinematic viscosity at 100 DEG C in the range of from 3.5 mm2/s to 7.0 mm2/s; (b) from 3% to 35% by mass of a high viscosity second base oil component, the high viscosity second base oil component being a polyalkylene glycol; (c) a defoaming additive as a non-ionic surfactant, where the mass% is based on the total mass of the lubricating composition. The present invention also provides a method for lubricating an axle, the method comprising supplying to the axle a lubricating oil composition comprising: (a) from 45% to 75% by mass of a low viscosity first base oil component being a Fischer-Tropsch derived base oil having a kinematic viscosity at 100 DEG C in the range of from 3.5 mm2/s to 7.0 mm2/s; (b) from 3% to 35% by mass of a high viscosity second base oil component, the high viscosity second base oil componen