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Application of aminated mesoporous silica nanomaterial as lubricating oil antiwear agent

A technology of mesoporous silica and nanomaterials, applied in lubricating compositions, additives, petroleum industry, etc., can solve the problems of exhaust gas pollution, corrosion of friction pair materials, etc., and achieve simple preparation method, high-efficiency lubrication, and stable performance Effect

Inactive Publication Date: 2018-06-15
北京天元陆兵汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Traditional lubricating oil antiwear agents are generally sulfur-phosphorus antiwear agents. These additives will not only corrode friction pair materials, but also produce exhaust gas to pollute the environment. Therefore, it is very important to find a new, environmentally friendly and efficient lubricating oil antiwear agent. Significance

Method used

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  • Application of aminated mesoporous silica nanomaterial as lubricating oil antiwear agent
  • Application of aminated mesoporous silica nanomaterial as lubricating oil antiwear agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] The aminated mesoporous silicon dioxide nanometer material is applied as a lubricating oil antiwear agent, and the aminated mesoporous silicon dioxide nanometer material is prepared by modification with KH550.

[0041] The preparation method of the described aminated mesoporous silica nanomaterial comprises the following steps:

[0042](1) Dissolve CTAB in deionized water, then add EG and NH 3 ·H 2 O aqueous solution, and fully dissolved;

[0043] (2) Add TEOS dropwise, then add KH550;

[0044] At this time, KH550, CTAB, TEOS, NH in the mixed system 3 ·H 2 The mass ratio of O, EG and deionized water is 1:6:8:42:230:1100;

[0045] (3) Continue stirring the mixed system obtained in step (2) at 55°C for 1 hour, then transfer it into a reaction kettle, and conduct hydrothermal synthesis at 110°C for 20 hours;

[0046] (4) Centrifuge at 15000rpm for 10min, wash with absolute ethanol and deionized water, and then vacuum dry at 55°C for 10h;

[0047] (5) HCl and ethanol...

Embodiment 2

[0053] The aminated mesoporous silica nanomaterial is applied as a lubricating oil antiwear agent, and the aminated mesoporous silica nanomaterial is prepared after modification with KH550, and the aminated mesoporous silica The particle size of silicon nanomaterials is 80-100nm.

[0054] The preparation method of the described aminated mesoporous silica nanomaterial comprises the following steps:

[0055] (1) Dissolve CTAB in deionized water, then add EG and NH 3 ·H 2 O aqueous solution, and fully dissolved;

[0056] (2) Add TEOS dropwise, then add KH550;

[0057] At this time, KH550, CTAB, TEOS, NH in the mixed system 3 ·H 2 The mass ratio of O, EG and deionized water is 1:7:6.5:55:200:1150;

[0058] (3) Continue stirring the mixed system obtained in step (2) at 45°C for 2.5h, then transfer it into a reaction kettle, and conduct hydrothermal synthesis at 90°C for 30h;

[0059] (4) Centrifuge at 10000rpm for 20min, wash with absolute ethanol and deionized water, and th...

Embodiment 3

[0066] The aminated mesoporous silica nanomaterial is applied as a lubricating oil antiwear agent, and the aminated mesoporous silica nanomaterial is prepared after modification with KH550, and the aminated mesoporous silica The particle size of silicon nanomaterials is 80-100nm.

[0067] The preparation method of the described aminated mesoporous silica nanomaterial comprises the following steps:

[0068] (1) Dissolve CTAB in deionized water, then add EG and NH 3 ·H 2 O aqueous solution, and fully dissolved;

[0069] (2) Add TEOS dropwise, then add KH550;

[0070] At this time, KH550, CTAB, TEOS, NH in the mixed system 3 ·H 2 The mass ratio of O, EG and deionized water is 1:6.5:7:50:210:1133;

[0071] (3) Continue stirring the mixed system obtained in step (2) at 50°C for 2h, then transfer it into a reaction kettle, and conduct hydrothermal synthesis at 100°C for 24h;

[0072] (4) Centrifuge at 12000rpm for 15min, wash with absolute ethanol and deionized water, and the...

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Abstract

The invention relates to an application of an aminated mesoporous silica nanomaterial as a lubricating oil antiwear agent. The aminated mesoporous silica nanomaterial with an ordered pore passage structure can be used as the lubricating oil antiwear agent, can significantly improve the wear resistant and friction reducing properties and the bearing capacity of the lubricating oil. The interior ofthe mesoporous silica nanomaterial has a highly ordered pore passage structure, and can provide good oil absorption and oil storage functions. In the process of friction, the lubricating oil stored inpores is released to form an oil film, cracks of the friction surface are filled, the wear can be further reduced and excellent lubrication effect is achieved. With application of the aminated mesoporous silica nanomaterial, the lubricating oil has the advantages of no corrosion of friction pair materials, environmental protection, no pollution, good chemical stability and the like. The preparation method of the aminated mesoporous silica nanomaterial has the advantages of high efficiency, rapidness, wide sources of raw materials and low cost. After the mesoporous silica nanomaterial is aminated, the mesoporous silica nanomaterial is dispersed evenly in the lubricating oil, and the antiwear property is more uniform.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil additives, and relates to the application of aminated mesoporous silicon dioxide nanomaterials as lubricating oil antiwear agents. Background technique [0002] Friction is an unavoidable natural phenomenon, and the loss caused by friction accounts for more than 50% of the primary energy. At the same time, the wear between friction surfaces is also one of the main reasons for the scrapping of materials and equipment in various industries. Therefore, adding lubricating oil to machinery is a commonly used way to reduce friction and wear. With the increasing load, speed, temperature and other working parameters of modern mechanical equipment, the original friction reducer and antiwear agent in lubricating oil can no longer fully meet the requirements of its antifriction and antiwear performance. In order to improve the anti-wear performance of lubricating oil, appropriate additives are often...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M125/26C10M169/04C10N30/06
CPCC10M125/26C10M169/04C10M169/044C10M2201/14C10M2215/086C10N2030/06
Inventor 尹道瑞郑昆
Owner 北京天元陆兵汽车科技有限公司
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