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Lubricating oil composition

A technology of lubricating oil composition and nitrile compound, applied in the direction of lubricating composition, petroleum industry, additives, etc.

Inactive Publication Date: 2008-01-02
SHELL INT RES MAATSCHAPPIJ BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0019] For example, molybdenum friction modifiers generally outperform ashless friction modifiers in the marginal region, and achieving similar levels of friction improvement with ashless friction modifiers alone remains a challenge

Method used

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  • Lubricating oil composition
  • Lubricating oil composition

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Experimental program
Comparison scheme
Effect test

Embodiment

[0104] formula

[0105] Tables 1 and 2 give the formulations tested.

[0106] The formulations in Tables 1 and 2 included conventional detergents, dispersants, pour point depressants, antioxidants, viscosity modifiers, and zinc dithiophosphate additives as additive packages in the diluent oil.

[0107] The base oils used in the formulation were polyalphaolefin base oils (PAO-4 from BP Amoco under the trade designation "DURASYN 164" and PAO-5 from Chevron Oronite under the trade designation "SYNFLUID 5") and The name "PRIOLUBE 1976" is a blend of ester based oils from Uniqema.

[0108] Glyceryl monoolein used was the material available from Oleon Chemicals under the trade designation "RADIASURF 7149".

[0109] The commercially available coconut fatty acid nitrile mixture (mainly C12 nitrile) used was the material obtained from Akzo Nobel under the trade designation "ARNEEL 12".

[0110] The oleonitrile used was a material available from Akzo Nobel under the trade designati...

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Abstract

A lubricating oil composition comprising base oil, glycerol monooleate and one or more nitrile compounds; and a method of lubricating an internal combustion engine comprising applying said lubricating oil composition thereto.

Description

technical field [0001] The present invention relates to a lubricating oil composition, in particular a lubricating oil composition suitable for lubricating internal combustion engines and having improved friction reduction and fuel economy. Background technique [0002] Increasingly stringent automotive regulations on emissions and fuel efficiency place increasing demands on engine manufacturers and lubricant formulators to come up with effective solutions to improve fuel economy. [0003] Optimizing lubricants with high-performance base stocks and novel additives represents a flexible solution to this growing challenge. [0004] Friction reducing additives (which are also referred to as friction modifiers) are important lubricant components for reducing fuel consumption, and a variety of such additives are known in the art. [0005] Friction modifiers can be conveniently divided into two classes, metal-containing friction modifiers and ashless (organic) friction modifiers....

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M141/06C10M169/06
CPCC10M2215/1026C10M2207/1285C10N2240/10C10M169/06C10M2217/0456C10M141/06C10N2230/06C10M2207/289C10N2250/10C10M2201/1056C10M2215/16C10N2230/54C10N2240/046C10N2030/06C10N2040/25C10N2050/10C10N2030/54C10N2040/046
Inventor 藤津隆J·格里菲思
Owner SHELL INT RES MAATSCHAPPIJ BV
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