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Ultrafine bentonite grease and preparation method thereof

A technology of ultra-fine bentonite and lubricating grease, applied in the field of lubrication, can solve problems such as weak thickening ability, restrictions on application and promotion, poor shear resistance, etc., and achieve the effects of controlling production costs, excellent performance, and simple preparation methods

Inactive Publication Date: 2016-08-17
LOGISTICAL ENGINEERING UNIVERSITY OF PLA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But existing bentonite lubricating grease has certain shortcomings, such as poor shear resistance, thickening ability, etc. These factors have greatly restricted the application and promotion of such high-performance lubricating greases as bentonite lubricating grease

Method used

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  • Ultrafine bentonite grease and preparation method thereof
  • Ultrafine bentonite grease and preparation method thereof
  • Ultrafine bentonite grease and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0017] An ultra-fine bentonite lubricating grease, the composition of which is calculated by weight percentage: 75%-95% of base oil, 5-20% of ultra-fine organic bentonite, 1.2-7.2% of auxiliary dispersant, 1.2-7.2% of additives, and the additives include organic 0.5-1% of amine antioxidant, 0.5-1% of anti-corrosion and anti-rust agent, 0.5-3.5% of anti-wear and friction reducer, the sum is 100%.

[0018] Grease preparation process figure 1 shown, including the following steps:

[0019] (1) Use a high-speed disperser to fully mix the metered organic bentonite with the sanding medium to form a slurry with a certain concentration, and add it to the sand mill for grinding. The bulk density of the grinding balls is controlled at 30%-80%, and the slurry concentration is controlled at 5%-35%, the temperature is controlled at 35-45°C, the sanding time is controlled at 3-7h, and the ultrafine organic bentonite with small particle size and narrow distribution is prepared, the particle ...

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Abstract

The invention relates to an ultrafine bentonite densifier-based grease and a preparation method thereof. The grease is prepared through preparing ultrafine organic bentonite by using a sand blasting technique and through densifying the base oil by using the ultrafine organic bentonite. The ultrafine bentonite grease has the advantages of selection of traditional raw materials, simple preparation method and excellent comprehensive performances, has better mechanical stability, colloid stability, water sprinkling resistance, wear resistance and friction resistance than traditional bentonite greases, and has good industrial application prospect.

Description

technical field [0001] The invention relates to superfine bentonite lubricating grease and a preparation method thereof, belonging to the technical field of lubrication. Background technique [0002] my country's modern industry is in a critical period of transformation and upgrading. The successive installation of new equipment and the introduction of foreign advanced equipment have put forward higher requirements for the performance of lubricating grease, providing a broad space for the application of high-performance lubricating grease. And with the development of high-temperature, high-speed and heavy-duty equipment, the working conditions of its lubricating parts are becoming more and more stringent. In particular, the lubricating grease used is required to have good high-temperature performance, extreme pressure performance and shear resistance to extend the grease change cycle. , Improve production efficiency and reduce production costs. Bentonite lubricating grease ...

Claims

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Application Information

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IPC IPC(8): C10M113/10C10M125/30C10M177/00C10N50/10C10N30/06
CPCC10M113/10C10M125/30C10M177/00C10N2030/06C10N2050/10
Inventor 郭小川王晶蒋明俊方建华王雪梅何燕史程飞
Owner LOGISTICAL ENGINEERING UNIVERSITY OF PLA
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