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SG gasoline-engine oil composition, and preparation method and application thereof

A gasoline engine oil and composition technology, which is applied in the field of materials, can solve the problems of reducing the effective power of the engine, being easy to agglomerate, and increasing the emission of PM2.

Inactive Publication Date: 2012-07-04
浙江稀瓷域机械科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the gasoline engines of advanced gasoline vehicles, such as BMW and Cadillac, have large displacement and excellent start-up acceleration performance. In the case of high-temperature high-speed and low-temperature low-speed repeated crossing, it is easy to produce black sludge in the engine cylinder. If not Timely removal will reduce the effective power of the engine and increase the emission of PM2.5 particulate matter in the exhaust
The accumulated black sludge is easy to agglomerate in the cylinder body, becoming a hard node that damages the cylinder surface and piston ring.

Method used

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  • SG gasoline-engine oil composition, and preparation method and application thereof
  • SG gasoline-engine oil composition, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] ① Crush the sepiolite to a particle size of ≤1 μm, and dry at 380°C for 1 hour;

[0021] ②Weigh 10g of sepiolite obtained in step ①, 70g of SG gasoline engine oil, 1g of nickel oxide, and 1g of lithium dodecyl hydroxystearate, and mix them into the closed device to make the vacuum degree reach -0.08MPa;

[0022] ③Raise the temperature to 85°C, stir at 10000rmp for 10min, adjust the rotation speed to 18000rmp for 6min, and adjust the rotation speed to 28000rmp for 4min;

[0023] ④ Finely disperse in a 1KW ultrasonic generator for 10 minutes.

[0024] The prepared new lubricant was subjected to a wear test on the MMW-1 vertical universal friction and wear machine with a test force of 300N and a rotational speed of 2000r / min. After 5 hours of wear test, the sample changed from 2.9558g to 2.9661g, the weight loss was -0.035%, and the sample increased in weight. The coefficient of friction dropped from 0.074 to 0.068, an 8.1% reduction.

Embodiment 2

[0026] ① Crush the sepiolite to a particle size of ≤1 μm, and dry at 380°C for 1 hour;

[0027] ② Weigh 12g of sepiolite obtained in step ①, 75g of SG gasoline engine oil, 2g of nickel oxide, 1.5g of lithium lauryl hydroxystearate and mix them into the closed device to make the vacuum degree reach -0.08MPa;

[0028] ③Raise the temperature to 85°C, stir at 10000rmp for 10min, adjust the rotation speed to 18000rmp for 6min, and adjust the rotation speed to 28000rmp for 4min;

[0029] ④ Finely disperse in a 1KW ultrasonic generator for 10 minutes.

[0030] The prepared new lubricant was subjected to a wear test on the MMW-1 vertical universal friction and wear machine with a test force of 300N and a rotational speed of 2000r / min. After 5 hours of wear test, the sample changed from 2.9588g to 2.9599g, and the weight loss was -0.038%, and the sample increased in weight. The coefficient of friction dropped from 0.086 to 0.078, a 9.0% reduction.

Embodiment 3

[0032] ① Crush the sepiolite to a particle size of ≤1 μm, and dry at 380°C for 1 hour;

[0033] ② Weigh 15g of sepiolite obtained in step ①, 70g of SG gasoline engine oil, 3g of nickel oxide, 2g of lithium lauryl hydroxystearate and mix them into the closed device to make the vacuum degree reach -0.08MPa;

[0034] ③Raise the temperature to 85°C, stir at 10000rmp for 10min, adjust the rotation speed to 18000rmp for 6min, and adjust the rotation speed to 28000rmp for 4min;

[0035] ④ Finely disperse in a 1KW ultrasonic generator for 10 minutes.

[0036] The prepared new lubricant was subjected to a wear test on the MMW-1 vertical universal friction and wear machine with a test force of 300N and a rotational speed of 2000r / min. After 5 hours of wear test, the sample changed from 2.9601g to 2.9697g, and the weight loss was -0.032%, and the sample increased in weight. The coefficient of friction dropped from 0.080 to 0.073, an 8.1% reduction.

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Abstract

The invention relates to an SG gasoline-engine oil composition, and a preparation method and application thereof, belonging to the technical field of materials. The SG gasoline-engine oil composition is prepared from the following components in parts by mass: 70-80 parts of SG gasoline-engine oil, 10-15 parts of meerschaum, 1-3 parts of nickel oxide and 1-2 parts of lithium 12-hydroxystearate. The SG gasoline-engine oil composition solves the problem that black oil sludge can be easily generated in the engine cylinder under the repeatedly alternate traveling conditions of high-temperature high speed and low-temperature low speed, and can quickly form a superhard anti-wear layer in the engine cylinder and on the piston ring, thereby keeping the effective power of the engine and reducing the emission of PM2.5 particulate matters in tail gas. The invention can also save the consumption of the lubricant, thereby achieving the effect of environmental protection. The invention has the advantages of accessible product raw materials, scientific formula, simple production technique, low cost and favorable properties, and is especially suitable for lubricating advanced gasoline engine automobiles at present.

Description

technical field [0001] The invention relates to an SG gasoline engine oil composition, a preparation method and application thereof, and belongs to the field of material technology. Background technique [0002] In recent years, the development of metal wear self-repair technology provides an extremely effective method for the effective maintenance and maintenance of mechanical equipment during operation. However, the gasoline engines of advanced gasoline vehicles, such as BMW and Cadillac, have large displacement and excellent start-up acceleration performance. In the case of high-temperature high-speed and low-temperature low-speed repeated crossing, it is easy to produce black sludge in the engine cylinder. If not Timely removal will reduce the effective power of the engine and increase the emission of PM2.5 particulate matter in the exhaust. The accumulated black oil sludge is easy to agglomerate in the cylinder body, and becomes a hard node that damages the cylinder su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M141/02C10M177/00C10N40/25
Inventor 黄岩
Owner 浙江稀瓷域机械科技有限公司
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