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Water-soluble minimum quantity lubricating liquid containing MoS2

A minimal quantity lubrication, water-soluble technology, applied in the direction of lubricating composition, climate sustainability, sustainable manufacturing/processing, etc., can solve problems such as inapplicability, large particle size, and difficulty in following lubricating oil

Active Publication Date: 2020-07-07
苏州福瑞斯德新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, ordinary solid molybdenum disulfide has a larger particle size than nano molybdenum disulfide, and it is difficult to follow the lubricating oil to form droplets, which is not suitable for lubricating oil in minimum quantity lubrication. MoS 2 Water-soluble microlubricating fluids with a wide range of value

Method used

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  • Water-soluble minimum quantity lubricating liquid containing MoS2
  • Water-soluble minimum quantity lubricating liquid containing MoS2
  • Water-soluble minimum quantity lubricating liquid containing MoS2

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] The invention provides a MoS-containing 2 The water-soluble micro-lubricating fluid comprises each component according to the weight percent of Example 1 in the above Table 1.

[0050] Among them, nano-MoS 2 The preparation method comprises the steps:

[0051] (1) Mix the prepared ammonium molybdate solution and ammonium sulfide solution in a three-necked flask with a molar ratio of 1:5, and use 95% ethanol as a dispersant and a surfactant;

[0052] (2) Put it in a constant temperature water bath at 90°C, drop hydrochloric acid into the mixed solution under continuous stirring conditions, make it evenly mixed and fully react;

[0053] (3) After the reaction is finished, filter the precipitate to obtain a brown paste precipitate, and then repeatedly wash the precipitate;

[0054] (4) Make a suspension with absolute ethanol, put it in a drying oven at 60°C and dry it for 6 hours to obtain molybdenum trisulfide;

[0055] (5) Grind the dried molybdenum trisulfide into f...

Embodiment 2-10

[0063] Each of Examples 2-10 contains MoS 2 The water-soluble micro-lubricating fluid comprises the components in the weight percentage of Examples 2-10 in the above Table 1, and the nano-MoS used 2 The preparation method and the preparation method of the water-soluble micro-lubricating fluid are consistent with those in Example 1.

[0064] Containing MoS for Examples 1-10 2 The method, procedure, and evaluation of the physical properties of the water-soluble microlubricating fluid are carried out in accordance with the standard GB / T6144-2010, and the results are shown in Table 2.

[0065] Table 2 MoS of Examples 1-10 2 Evaluation results of physical properties of water-soluble microlubricating fluid

[0066]

[0067] According to the above experimental data, the appearance, defoaming properties, surface tension and rust resistance of the water-based cutting fluids in Examples 1-7 all conform to the national standard of GB / T6144-2010.

[0068] In summary, the MoS-contai...

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PUM

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Abstract

The invention discloses a water-soluble minimum quantity lubricating liquid containing MoS2. The lubricating liquid comprises the following components in percentage by weight: 2-20% of nano MoS2, 10-30% of a lubricant, 1-5% of a dispersing agent, 2-20% of a surfactant, 0.05-0.5% of a defoaming agent, 0.05-5% of a preservative, 0.05-5% of a descaling agent, 1-5% of an antirust agent and the balanceof deionized water, wherein the sum of the weight percentages of the nano MoS2 and the nano cubic boron nitride is 3-30%; the particle size distribution of the nano MoS2 is 20-150nm, the average particle size is 50-80nm, and the specific surface area is 50-150 m<2> / g; the particle size distribution of the nano cubic boron nitride is 50-200 nm, and the average particle size is 70-80 nm. The lubricating liquid has the characteristics that molybdenum disulfide is small in particle size and uniform in distribution, precipitation, blockage and other faults are not likely to be formed, fog drops can be efficiently formed, the molybdenum content in the lubricating liquid is high, and the lubricating effect is good.

Description

technical field [0001] The invention belongs to the technical field of lubricating fluid and lubricating fluid additives, and relates to a MoS-containing 2 Water-soluble micro lubricant; especially suitable for drilling, reaming, tapping, deep hole drilling, aluminum alloy face milling and other processing of cast iron, steel and aluminum alloy. Background technique [0002] The concept of minimal quantity lubrication was first proposed in 1996 by two scholars, W.D.Hewson and G.K.Gerow of Michigan Technical University. The application of minimal quantity lubrication technology began in the late 1990s in some foreign industrial powers. At the beginning, it was limited to the field of casting processing, and then gradually expanded to non-ferrous metals such as steel and aluminum parts. [0003] Minimal quantity lubrication is an emerging green manufacturing technology. It is to mix a small amount of lubricant in high-pressure gas, and enter the high-temperature cutting area ...

Claims

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Application Information

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IPC IPC(8): C10M173/02C10M125/22C10N30/06C10N40/22
CPCC10M173/02C10M125/22C10M2201/066C10M2215/08C10M2215/066C10M2209/104C10M2209/108C10M2207/126C10M2229/04C10M2215/222C10M2219/104C10M2219/044C10M2207/124C10M2207/123C10M2201/061Y02P70/10
Inventor 王鹏举
Owner 苏州福瑞斯德新材料科技有限公司
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