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Lubricant composition for adiabatic gasoline engine

A lubricant composition and gasoline engine technology, applied in the direction of lubricating composition, petroleum industry, etc., can solve the problems such as the lack of unified gasoline engine oil quality specifications, achieve good high-temperature oxidation stability, and inhibit polar substances such as sludge Formation, good effect of low temperature startability

Inactive Publication Date: 2015-03-25
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to differences in engine design, operating conditions and fuel, there is no unified gasoline engine oil quality specification in the world

Method used

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  • Lubricant composition for adiabatic gasoline engine
  • Lubricant composition for adiabatic gasoline engine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] It is formed by blending the following components in mass percentage:

[0021] components

Embodiment 2

[0023] It is formed by blending the following components in mass percentage:

[0024] components

Embodiment 3

[0026] It is formed by blending the following components in mass percentage:

[0027] components

Content (mass percentage)

Combination of 45% polyperfluoroalkyl ether and 55% oil-soluble polyether by mass

71.492％

Composite of 45% low base value synthetic calcium sulfonate and 55% high base value synthetic calcium sulfonate

7.0％

Compound of 45% polyisobutylene bis-succinimide and 55% dienyl succinimide by mass

7.0％

Phosphobisoctyl basic zinc salt

0.9％

2-Mercaptobenzimidazole compounded with 55% N-phenyl-α-aniline with a mass ratio of 45%

1.0％

Benzotriazole derivatives

1.2％

Sulfated calcium alkylphenate

2.5％

Simethicone

0.008％

Alkyl phosphite

2.5％

Compound of 45% benzotriazole and 55% sodium petroleum sulfonate by mass

1.5％

Copper dialkyldithiocarbamate

0.9％

tricresyl phosphate

4.0％

[0028] The main technical index of embodiment 1...

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PUM

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Abstract

The invention discloses a lubricant composition for an adiabatic gasoline engine. Perfluoroalkyl group ether and oil-soluble polyether are adopted as base oil and are matched with a plurality of composite additives; the lubricant composition comprises an antiwear agent, an antioxygen preservative, an anti-foaming agent, a viscosity index improver, a metal deactivator, a clearing agent, a dispersing agent, an antioxidant and a reinforcing agent. The lubricant composition disclosed by the invention has excellent cleaning and dispersing effects, viscosity-temperature characteristics, base number retentivity, acid neutralization capacity, good high-temperature resistant oxidation stability, high shear stability, good elastomer compatibility, good cooling property, good cold cranking capacity and excellent fuel economy, and is free of corrosion on moving parts; enough oil film strength of oil is ensured; and abrasion is reduced.

Description

technical field [0001] The invention belongs to the field of lubricants for internal combustion engines, in particular to a lubricant composition for adiabatic gasoline engines. Background technique [0002] Gasoline engine is an ignition engine fueled by gasoline, which can be divided into two-stroke and four-stroke according to different working strokes. A gasoline engine in a general sense mainly refers to a four-stroke gasoline engine. It has the characteristics of high speed, light weight, low noise, easy start, and low manufacturing cost. It is the main power of cars and light vehicles. The working cycle of a two-stroke gasoline engine is relatively simple. The crankshaft rotates once, and the piston goes up and down once to complete a working cycle. It has the characteristics of light weight, low price and high noise. It is often used as the power for motorcycles, chain saws and other low-power power machinery. [0003] The engine is the "heart" of vehicles, ships ...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10N40/25
Inventor 黄福川邓富康黄旖瑶
Owner GUANGXI UNIV
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