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Energy-saving repairing engine lubricating oil

A lubricating oil and engine technology, which is applied in the field of lubricating oil, can solve the problems of poor repair function, poor energy saving and emission reduction effect, poor anti-wear performance, etc., and achieve the effects of repairing mechanical wear, good friction reduction, and improving power

Inactive Publication Date: 2010-07-28
江苏汇众石油化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing engine lubricating oil has poor repair function, poor anti-wear performance, poor energy saving and emission reduction effect, which can no longer meet the market demand

Method used

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Embodiment Construction

[0033] An energy-saving and repairing engine lubricating oil according to the present invention, the content of each component in the lubricating oil (in weight percent) is:

[0034] a. Base oil 70-95%

[0035] b. Detergent 1-8%

[0036] c. Dispersant 1-8%

[0037] d. Viscosity index improver 0.5-9%

[0038] e. Anti-foaming agent: 1-70ppm

[0039] f. pour point depressant: 0.1-1%

[0040] g. Antioxidant: 0.1-1%

[0041] h. Oil-soluble nano lanthanum trifluoride 0.1-5%

[0042] i. Oil-soluble nano copper (alloy) 0.1-5%

[0043] The base oil is a hydrogenated base oil belonging to API, II and III, and the content of each component in the tertiary hydrogenated base oil (in weight percent) is:

[0044] 100N 5-20%

[0045] 150N 30-50%

[0046] 500N 20-40%

[0047] 150BS 5-10%

[0048] The detergent is petroleum sulfonate, synthetic calcium sulfonate or calcium alkyl salicylate, and the dispersant is monosuccinimide or bis-succinimide. The viscosity index improver is one...

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Abstract

The invention relates to energy-saving repairing engine lubricating oil. The engine lubricating oil is characterized by comprising the following components in percentage by weight: 70-95% of base oil, 1-8% of detergent, 1-8% of dispersant, 0.5-9% of viscosity index improver, 1-70 ppm of antifoam agent, 0.1-1% of pour point depressant, 0.1-1% of antioxidant, 0.1-5% of oil-soluble nano lanthanum trifluoride and 0.1-5% of oil-soluble nano copper (alloy). The invention uses the oil-soluble nano copper (alloy) and the oil-soluble nano lanthanum trifluoride which haverepairing property and high antiwear lubricating property as the additives, thereby having favorable effects of energy saving and emission reduction. The invention is especially suitable for automobiles, and can improve the airtightness of an automobile engine and increase the power, thereby performing the functions of saving energy, reducing emission and protecting the engine.

Description

technical field [0001] The invention belongs to the technical field of lubricating oils, in particular to a lubricating oil for engines containing repairing and high anti-wear and anti-friction functions. technical background [0002] The world's annual loss due to friction and wear amounts to tens of billions of yuan. Especially with the surge in the number of automobiles in my country, the task of energy conservation and emission reduction is becoming more and more arduous. Therefore, the market has also put forward higher requirements for lubricating oil. The existing engine lubricating oil has poor repair function, poor anti-wear performance, and poor energy saving and emission reduction effect, and can no longer meet the market demand. [0003] Nanoparticles show many excellent tribological properties in the field of lubrication, which provide a new way for the development of advanced lubricating oils. Among them, nano-copper (alloy) and nano-lanthanum trifluoride hav...

Claims

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Application Information

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IPC IPC(8): C10M161/00C10M125/18C10M125/04C10N40/25
Inventor 李小红蔡天聪朱晓晖
Owner 江苏汇众石油化工有限公司
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