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Heat-resistant grease

A lubricating grease and heat-resistant technology, which is applied in the field of heat-resistant lubricating grease, can solve the problems of shortening the service life of mechanical equipment, easy softening and volatilization, and unsatisfactory varieties, so as to improve high-temperature oxidation resistance and hydrolysis resistance. The effect of excellent extreme pressure performance and anti-wear performance, excellent high temperature and oxidation stability

Active Publication Date: 2013-08-28
GUANGXI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

my country's high-temperature lubricating grease started late, developed slowly, and the variety is not ideal enough
At present, the most commonly used lubricating grease in my country is metal soap-based grease with mineral oil as the base oil. Severe wear, increased noise, and often stuck phenomenon, greatly shortening the service life of mechanical equipment

Method used

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  • Heat-resistant grease
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] It is blended according to the following mass percentage components:

[0021]

Embodiment 2

[0023] It is blended according to the following mass percentage components:

[0024]

Embodiment 3

[0026] It is blended according to the following mass percentage components:

[0027]

[0028]

[0029] Measured by the provincial technical supervision department, the physical and chemical indexes of the product of the present invention all meet the requirements for use, and the typical physical and chemical indexes of the product of Example 1 are shown in Table 1.

[0030] Table 1 Typical physical and chemical indicators of heat-resistant grease

[0031]

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PUM

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Abstract

The invention discloses heat-resistant grease. The heat-resistant grease is characterized by comprising the following ingredients by mass percent: 70-80% of base oil, 20-12% of thickening agent, and 10-8% of other additives, wherein polyinternalolefin (PIO) is compounded with polyether to serve as the base oil of the heat-resistant grease, and a triuret thickener is utilized. The heat-resistant grease composition disclosed by the invention is good in overall performance, has good high-and-low temperature performance and lubricating property, excellent high temperature and oxidation stability, long high-temperature service life, excellent extreme pressure property and wear resistance, low frictional coefficient, strong carrying capacity, excellent mechanical stability and water resistance, high oil film strength, and excellent anti-rust and anti-corrosion performances and biodegradability, is suitable for lubricating and sealing of a bearing, a valve and a friction component which run under bad work conditions such as extreme high temperature, heavy load, and humid and polluted conditions, and can provide the maximal anti-wear, anti-rust and anti-corrosion protection.

Description

technical field [0001] The invention relates to a heat-resistant lubricating grease. Background technique [0002] Grease is a stable solid or semi-fluid colloidal dispersion system formed by dispersing thickeners in liquid lubricants. The dispersed phase particles and dispersion medium are filled with polarity, and can form firmer lubrication on the friction surface. membrane. At the same time, since the viscosity of lubricating grease is much higher than that of base oil, the oil film is thick enough; therefore, lubricating grease has the advantages of good lubricity and is widely used in the fields of industry, agriculture, transportation, and national defense. [0003] With the continuous development of my country's economy, the continuous improvement of the level of industrialization, the extensive use of advanced equipment and technology and the introduction of a large number of foreign advanced equipment, the working temperature of many lubricating parts is getting h...

Claims

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Application Information

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IPC IPC(8): C10M169/00C10N30/06C10N30/12C10N30/10C10N40/02
Inventor 黄福川梁慧莫宇飞卢朝霞梁景李胜蓝明新肖友程唐彩珍粟满荣唐兴中田宗义李宏君赵钟兴廖丹葵刘琨黄旖瑶
Owner GUANGXI UNIV
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