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Multifunctional lubricating oil additive and preparation method thereof

A lubricating oil additive and multi-functional technology, applied in the field of lubricating oil, can solve the problems of anti-wear performance, lubricating oil stability, poor durability, etc., achieve good anti-corrosion performance, excellent performance stability, preparation efficiency and qualified finished products high rate effect

Inactive Publication Date: 2021-04-09
邵大鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this lubricating oil additive is made of a mixture of many different types of additives, and antagonism between different types of additives is likely to occur. The addition of a large amount of such additives will easily lead to poor stability and durability of the lubricating oil, and wear resistance. Performance is also affected to some extent

Method used

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  • Multifunctional lubricating oil additive and preparation method thereof

Examples

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Effect test

Embodiment 1

[0025] A kind of preparation method of multifunctional lubricating oil additive is characterized in that, comprises the steps:

[0026] Step S1, N-chloromethylbenzothiazole-2-thione ionization hexamethylmelamine: add N-chloromethylbenzothiazole-2-thione and hexamethylmelamine to the high boiling point solvent, at 60°C The reaction was stirred under low pressure for 5 hours, and then the solvent was removed by rotary evaporation, and the crude product was washed 3 times with ether, and finally the ether was removed by rotary evaporation to obtain N-chloromethylbenzothiazole-2-thione ionized hexamethylmelamine;

[0027] Step S2, preparation of carboxy-modified fullerene-coated borographene: disperse borographene in an organic solvent, then add silane coupling agent KH560 to it, stir and react at 50°C for 3 hours, then add amino-modified Disperse fullerene in an ultrasonic disperser for 10 minutes, then stir and react at 75°C for 4 hours, and finally add triethoxysilylacetic acid...

Embodiment 2

[0034] A kind of preparation method of multifunctional lubricating oil additive is characterized in that, comprises the steps:

[0035] Step S1, N-chloromethylbenzothiazole-2-thione ionization hexamethylmelamine: add N-chloromethylbenzothiazole-2-thione and hexamethylmelamine to the high boiling point solvent, at 65°C The reaction was stirred under low pressure for 6 hours, and then the solvent was removed by rotary evaporation, and the crude product was washed 4 times with ether, and finally the ether was removed by rotary evaporation to obtain N-chloromethylbenzothiazole-2-thione ionized hexamethylmelamine;

[0036] Step S2, preparation of carboxy-modified fullerene-coated borographene: disperse borographene in an organic solvent, then add silane coupling agent KH560 to it, stir and react at 55°C for 3.5 hours, then add amino-modified Disperse fullerene in an ultrasonic disperser for 12 minutes, then stir and react at 77°C for 4.5 hours, and finally add triethoxysilylacetic ...

Embodiment 3

[0043] A kind of preparation method of multifunctional lubricating oil additive is characterized in that, comprises the steps:

[0044] Step S1, N-chloromethylbenzothiazole-2-thione ionization hexamethylmelamine: add N-chloromethylbenzothiazole-2-thione and hexamethylmelamine to the high boiling point solvent, at 70°C The reaction was stirred under low pressure for 6.5 hours, and then the solvent was removed by rotary evaporation, and the crude product was washed 5 times with ether, and finally the ether was removed by rotary evaporation to obtain N-chloromethylbenzothiazole-2-thione ionized hexamethylmelamine;

[0045] Step S2, preparation of carboxy-modified fullerene-coated borophene: disperse borophene in an organic solvent, then add silane coupling agent KH560 to it, stir and react at 60°C for 4 hours, then add amino-modified Disperse fullerene in an ultrasonic disperser for 15 minutes, then stir and react at 80°C for 5 hours, and finally add triethoxysilylacetic acid to ...

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Abstract

The invention discloses a preparation method of a multifunctional lubricating oil additive, which is characterized by comprising the following steps: S1, ionizing hexamethylamine by using N-chloromethyl benzothiazole- 2-thione; step S2, preparing carboxyl modified fullerene coated boron graphene; and S3, synthesizing the lubricating oil additive. The invention also provides the multifunctional lubricating oil additive prepared according to the preparation method of the multifunctional lubricating oil additive. The multifunctional lubricating oil additive provided by the invention is better in comprehensive performance, diverse in function, good in performance stability and good in extreme pressure, wear resistance and lubricating property.

Description

technical field [0001] The invention relates to the technical field of lubricating oil, in particular to a multifunctional lubricating oil additive and a preparation method thereof. Background technique [0002] In recent years, with the continuous improvement of the performance of modern mechanical equipment and the increasingly stringent environmental requirements, it is necessary to use multi-functional lubricants with higher performance. Lubricating oil is the blood of mechanical operation, and the operation of equipment is inseparable from lubricating oil. Lubricating oil is inseparable from lubricating oil additives. Lubricating oil additives are the essence of various modern high-grade lubricating oils. Performance is an important part of lubricating oil. Its type, quality and adding ratio directly affect the performance of lubricating oil. [0003] At present, the common lubricating oil additives mainly include antioxidants, antiwear agents, friction modifiers (also...

Claims

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Application Information

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IPC IPC(8): C10M141/12C10N30/06C10N30/12
CPCC10M141/12C10M2201/14C10M2215/223C10M2219/104
Inventor 邵大鹏
Owner 邵大鹏
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