High-temperature environment-friendly water-based ionic liquid lubricant

A technology for ionic liquids and lubricants, applied in lubricating compositions, petroleum industry, etc., can solve the problems of polluted environment, low substrate corrosion, unsatisfactory anti-oxidation effect, etc., achieve simple preparation method, good processing performance, reduce heat Effect of Roll Lubrication Costs

Active Publication Date: 2017-05-10
UNIV OF SCI & TECH BEIJING
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to overcome the deficiencies of existing hot-rolling lubricants in terms of anti-friction, anti-wear, anti-oxidation, and environmental pollution, the present invention provides a high-temperature environment-friendly water-based ionic liquid lubricant, which not only has high thermal stability durability and lubrication durability, and is less corrosive to the substrate, and can achieve better lubricating effect in the hot rolling environment

Method used

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Embodiment Construction

[0034] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but is not limited thereto.

[0035] The concrete measures taken by the present invention to solve its technical problems are:

[0036] Step 1: Characterize its thermal stability by TGA. About 10 mg of 1-ethyl-3-methylimidazolium dimethyl phosphate was placed in a platinum crucible, and the temperature was raised at 5°C / min in an air atmosphere to obtain a TG curve and analyze its thermal stability.

[0037] The thermal stability measurement of 1,3-dimethylimidazolium phosphate salt is the same as step 1.

[0038] Figure 1-a , Figure 1-b They are the structural diagrams of 1-ethyl-3-methylimidazolium dimethyl phosphate and 1,3-dimethylimidazolium phosphate. figure 2 TG curves of 1-ethyl-3-methylimidazolium dimethyl phosphate and 1,3-dimethylimidazolium phosphate in air atmosphere.

[0039] From the TG curves, it can be seen that both ion...

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Abstract

The invention discloses a high-temperature environment-friendly water-based ionic liquid lubricant and belongs to the technical field of liquid lubricants. The lubricant comprises the following raw materials in percentage by mass: 0.5-1% of 1-ethyl-3-methylimidazole dimethyl phosphate; 0.1-0.5 % of 1,3-dimethylimidazolium dimethyl phosphate; 1-2% of a corrosion inhibitor; 0.01-2% of a bactericide, and 90-95% of water to prepare the water-based solution. According to the invention, the high-temperature environment-friendly water-based ionic liquid lubricant has very high thermal stability, extremely low volatility and excellent high-temperature antifriction and anti-wear properties. Performance detection is carried out on the lubricant provided by the invention, and the result shows that the thermal decomposition temperature of the lubricant is about 300 DEG C and the metal has good oxidation resistance, friction resistance and wear resistance. According to the invention, no pollution is caused to the environment, so that the lubricant has good popularization and application prospect.

Description

technical field [0001] The invention belongs to the technical field of liquid lubricants, and relates to a high-temperature environment-friendly water-based ionic liquid lubricant used in a hot rolling environment. Background technique [0002] Lubrication is a very important link in the hot rolling process. Traditional hot rolling lubricants are divided into grease-based solid lubricants and liquid lubricants in the form of oil-water mixtures. Although traditional lubricants can meet the basic requirements of the production process, the lubricating effect will drop sharply with the increase of rolling temperature during use, and at the same time cause environmental pollution. With the continuous development of hot rolling technology, higher requirements are put forward for lubricants, especially environmentally friendly high-performance lubricants, and traditional lubricants are difficult to meet the current needs. [0003] In the hot rolling environment with high rolling...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M173/02C10N30/06C10N30/08C10N30/12C10N40/24C10N30/16
CPCC10M173/02C10M2223/042C10N2030/06C10N2030/08C10N2030/12C10N2030/16C10N2030/56C10N2030/64C10N2040/24
Inventor 孔宁朱伊哲黄景辉李洪波曹建国夏春雨
Owner UNIV OF SCI & TECH BEIJING
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