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Modified nano material lubricating oil

A nanomaterial and lubricating oil technology, applied in the field of lubricating oil, can solve the problem that graphite is difficult to exert its lubricating performance, and achieve the effect of improving power, reducing equipment failure rate and prolonging mechanical service life.

Inactive Publication Date: 2016-08-24
SHANGHAI RUNLIDE MATERIAL TECH CO LTD
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Problems solved by technology

[0003] Graphite and molybdenum disulfide are used as lubricating oil additives. If they want to show good lubricating performance in the friction process, not only the shape and particle size of the particles must be appropriate, but also they must be stably dispersed in the lubricating oil. Once phase separation occurs, the graphite It is easy to agglomerate and it is difficult to exert its lubricating performance

Method used

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  • Modified nano material lubricating oil
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Embodiment Construction

[0015] Specific embodiments of the present invention will be described below in conjunction with examples, so as to better understand the present invention.

[0016] In the following examples, different proportions are adopted for batching, and the proportions are shown in Table 1.

[0017] Table 1: Proportion of different materials

[0018]

[0019] The concrete preparation process of above-mentioned lubricating oil is:

[0020] (1) Wetting process of solid lubricating materials: pump hydrogenated base oil, graphite, molybdenum disulfide and synergist with half of the above mass percentage into the stirring tank, the stirring speed is 800-1000r / min, and the stirring time is 1.5~2h;

[0021] (2) Dispersant pretreatment process: put the other half of the above mass percentage of base oil and composite dispersant into an ultrasonic oscillator for heating and dilution, and the temperature is stably controlled at 60 degrees;

[0022] (3) Stable dispersion to solve the agglom...

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Abstract

The invention relates to modified nano material lubricating oil which is prepared from hydrogenated base oil, a compound dispersant, a solid lubricant agent and a synergist. The hydrogenated base oil is 150 N or 250 N base oil, the solid lubricant agent is prepared from graphite below 3 um and molybdenum disulfide, the compound dispersant is prepared from polyisobutylene succinimide, boronized polyisobutylene-bis-succinimide, polyisobutylene, an ethylene-propylene copolymer, synthetic petroleum sodium sulfonate, polymethacrylate and poly-alpha olefin through compounding, and the synergist is an extreme-pressure agent, an oxidation and corrosion inhibitor, a defoaming agent or a tackifier. The lubricating oil contains, in percentage, 50-80% of the hydrogenated base oil, 0.5-1% of graphite, 1-5% of molybdenum disulfide, 6-12% of the compound dispersant and 6-15% of the synergist. The product can reduce the mechanical friction, repair abraded portions and prolong the service life of equipment, and the lubricating oil has the good effect of oil saving rate up to 5-15% when applied to a vehicle engine.

Description

technical field [0001] The invention relates to a modified nano material lubricating oil, which belongs to the technical field of lubricating oil. Background technique [0002] Currently commonly used extreme pressure antiwear agents such as sulfur, phosphorus, chlorine and other active organic compounds and organometallic compounds will corrode metal bearings when the friction heats up. Reduced performance. There is also the application of new technology organic molybdenum, which is decomposed and failed due to high temperature and high load, and has no repairing effect. For a long time, solid lubricating materials such as graphite and molybdenum disulfide have not been widely promoted because of the large particle size and difficulty in dispersing. [0003] Graphite and molybdenum disulfide are used as lubricating oil additives. If they want to show good lubricating performance in the friction process, not only the shape and particle size of the particles must be appropr...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M103/06C10M103/02C10N30/06C10N40/25
CPCC10M103/02C10M103/06C10M169/044C10M2201/0413C10M2201/0663C10M2205/02C10M2205/022C10M2205/024C10M2205/026C10M2207/026C10M2217/024C10M2223/041C10M2229/00C10M2229/041C10N2030/06C10N2030/08C10N2030/56C10N2030/76C10N2040/25
Inventor 胡义娥孙明刚
Owner SHANGHAI RUNLIDE MATERIAL TECH CO LTD
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