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Castor-oil-based ethanol fuel engine oil composition

A technology of ethanol fuel and engine oil, which is applied in lubricating compositions, base materials, petroleum industry, etc., and can solve problems such as easy wear of cylinder walls and piston rings, reduced dispersion coefficient of gasoline engine oil, and greater influence of coke formation , to meet the needs of lubrication, maintain engine power, anti-oxidation outstanding effect

Active Publication Date: 2014-02-12
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its main performance is that ethanol and its combustion products have a greater impact on the coke formation of ordinary gasoline engine oil; at the same time, it will lead to a decrease in the dispersion coefficient of gasoline engine oil at high and low temperatures; Destroyed by ethanol, the cylinder wall and piston ring are easily worn

Method used

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  • Castor-oil-based ethanol fuel engine oil composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The following components are blended according to mass percentage:

[0021] components

[0022] Phosphobisoctyl basic zinc salt

[0023] The sum of the above components is 100%.

Embodiment 2

[0025] The following components are blended according to mass percentage:

[0026] components

[0027] The sum of the above components is 100%.

Embodiment 3

[0029] The following components are blended according to mass percentage:

[0030] components

Mass percentage content

Mass ratio 50% dioctyl sebacate and 50% pentaerythritol ester

86.2%

Mass ratio of 50% overbased calcium sulfonate and 50% sulfurized calcium alkylphenate

7.0%

Phosphobisoctyl basic zinc salt

0.8%

dienyl succinimide

4.0%

[0031] Mass ratio 50% 2,6-di-tert-butyl-p-cresol and 50% dialkyldiphenylamine

0.8%

Benzotriazole fatty acid amine salt

0.4%

Mass ratio 50% barium petroleum sulfonate and 50% N-oleoyl sarcosine octadecylamine type

0.397%

Simethicone

0.003%

Tungsten Dialkyl Disulfide Carbamate

0.4%

[0032] The sum of the above components is 100%.

[0033] The typical physicochemical index of embodiment 3 products:

[0034]

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PUM

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Abstract

The invention discloses a castor-oil-based ethanol fuel engine oil composition. Dioctyl sebacate and pentaerythritol ester, which are prepared from castor oil, are compounded into base oil, and a plurality of composite additives comprising a detergent, an antioxidant preservative, a dispersing agent, an antioxidant, an oiliness agent, an antirust agent, an antifoaming agent and a reinforcing agent are matched. According to the castor-oil-based ethanol fuel engine oil composition, a dense protective film is formed on the surface of a kinematic pair of an engine, so that the friction and abrasion of the kinematic pair of the engine can be effectively reduced, and the erosion of an ethanol fuel can be resisted; the composition has high low-temperature flowability, high-temperature oxidation resistance, acid neutralizing capability, detergency and dispersity, and the formation of oil sludge and carbon deposit is reduced; the composition has low volatility and emission performance and high antirust and anticorrosive performance, the power of the engine can be maintained, and the lubricating requirements of an ethanol fuel engine system can be met.

Description

technical field [0001] The invention belongs to the field of internal combustion engine lubricants, especially castor-based ethanol fuel engine oil compositions. Background technique [0002] Since the 21st century, the diversification of energy and vehicle fuels, the development and application of renewable energy such as material energy and clean alternative fuels are an inevitable trend to solve the shortage of mineral fuels, purify the air and protect the environment. Ethanol is a common fuel energy substitute product. It is an oxygen-rich fuel with a density similar to that of gasoline. These two fuels can be directly mixed and miscible (gasoline alcohol), directly applied to gasoline engines, without changing the structure of the engine, and can maintain the performance of the original engine. Therefore, the application technology of ethanol fuel on gasoline engine has been quite mature, and gradually develops towards the direction of pure ethanol engine. [0003] Th...

Claims

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Application Information

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IPC IPC(8): C10M105/32C10M169/04C10N40/25C10N30/06C10N30/10C10N30/04C10N30/12
Inventor 李胜黄福川肖友程蓝明新梁慧唐彩珍粟满荣唐兴中廖丹葵刘琨黄旖瑶经建芳
Owner GUANGXI UNIV
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