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Lubricating oil composition

A lubricating oil composition and technology of the composition, applied in the direction of lubricating composition, petroleum industry, base materials, etc., can solve problems such as engine oil corrosion, and achieve the effect of improving oxidation stability and anti-corrosion effect

Active Publication Date: 2009-09-02
IDEMITSU KOSAN CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These metal materials containing copper and lead have excellent characteristics such as less fatigue phenomenon, but on the other hand, there is a problem of corrosion caused by engine oil

Method used

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  • Lubricating oil composition
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0094] Hereinafter, although an Example demonstrates this invention in detail, this invention is not limited to these Examples.

[0095] Lubricating oil compositions having the compositions shown in Table 1 were prepared, and subjected to the following reciprocating friction test, oxidation degradation test, and lead corrosion test. The results are shown in Table 2. In addition, the types of each component used to prepare the lubricating oil composition are as follows.

[0096] (1) Base oil A: hydrotreated base oil, kinematic viscosity at 40°C is 21mm 2 / s, kinematic viscosity at 100°C is 4.5mm 2 / s, viscosity index is 127, %C A 0.1 or less, the sulfur content is less than 20 mass ppm, and the NOACK evaporation is 13.3 mass %

[0097] (2) Ester friction modifier A: Glyceryl monooleate

[0098] (3) Amide friction modifier B: Oleic acid diethanolamide

[0099] (4) Amine friction modifier C: Kikulu-bu FM910 (manufactured by ADEKA Co., Ltd.)

[0100] (5) Benzotriazole compo...

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Abstract

The present invention provides a lubricating oil composition comprising a base oil for a lubricating oil, (A) a fatty acid partial ester compound, 0.5 to 1.5 % by mass of (B) (b1) an aliphatic amine compound and / or (b2) an acid amide compound, 0.01 to 0.1 % by mass of (C) a specific benzotriazole derivative and a specific amount of (D) a specific succinimide compound. It is a lubricating oil composition of an environmental regulation compliant type which is used for internal combustion engines such as gasoline engines, diesel engines, engines using dimethyl ether for fuel, gas engines and thelike, which does not contain Mo base friction reducing agents and is reduced in ash, phosphorus and sulfur and in which a friction reducing effect, an oxidation stability and a corrosion inhibiting effect are enhanced.

Description

technical field [0001] The present invention relates to a lubricating oil composition for an internal combustion engine. More specifically, the present invention relates to a combination of (A) fatty acid partial ester compound, (B) (b1) aliphatic amine compound and / or (b2) amide compound, (C) specific The benzotriazole derivatives and (D) a specific succinic imide compound to improve the anti-friction effect, oxidation stability and anti-corrosion lubricating oil composition for internal combustion engines. Background technique [0002] At present, environmental regulations are becoming more and more stringent around the world, especially the regulations on fuel consumption and exhaust emissions of automobiles are becoming more and more stringent. Against this background, conservation of resources has been proposed out of concerns about environmental issues such as global warming and the depletion of oil resources. For the above reasons, fuel economy of automobiles has bee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10M101/02C10M105/06C10M105/18C10M105/36C10M105/38C10M105/74C10M107/02C10M107/08C10M129/76C10M133/06C10M133/08C10M133/16C10M133/44C10M133/56C10M135/02C10N20/00C10N20/04C10N30/06C10N30/10C10N30/12C10N40/25
CPCC10N2240/103C10N2230/12C10M2215/04C10M2203/1025C10M2215/28C10N2230/74C10M2215/042C10M2215/223C10N2230/45C10M141/06C10N2240/104C10M2215/064C10M2207/289C10N2230/42C10M2215/08C10N2220/022C10N2280/00C10M2207/262C10N2230/40C10N2240/10C10N2230/43C10M2209/084C10N2230/10C10M2207/026C10M2207/028C10N2230/06C10M2223/045C10M2219/046C10N2230/64C10N2020/02C10N2030/10C10N2030/40C10N2030/43C10N2030/42C10N2030/45C10N2030/06C10N2030/64C10N2030/74C10N2030/12C10N2040/253C10N2040/255C10N2040/25C10N2080/00C10M169/04C10M129/76C10M133/16
Inventor 鎌野秀树手岛一裕
Owner IDEMITSU KOSAN CO LTD
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