Lubricating oil composition and preparation method thereof

A lubricating oil composition and lubricating oil technology, applied in the field of lubricating oil, to achieve the effects of improving bearing capacity, prolonging service life, and enhancing dispersion stability

Active Publication Date: 2014-05-07
GUANGZHOU LEARNBER SCI & TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are few domestic and foreign reports on the research and technology of lubricating oil composition products ob

Method used

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  • Lubricating oil composition and preparation method thereof
  • Lubricating oil composition and preparation method thereof
  • Lubricating oil composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Preparation of modified nano-copper powder:

[0033]

[0034] According to the above mass percentage, tert-butyl mercaptan, octadecyl mercaptan, octadecyl dimethyl benzyl ammonium chloride, dodecyl trimethyl ammonium chloride, 4-hydroxybenzotrimethyl ammonium Azole, benzotriazole, disodium ethylenediaminetetraacetic acid and sodium tartrate were added to deionized water, stirred for 0.2h under the action of ultrasonic dispersion with a frequency of 20kHz and a power of 1kW, and then added nanometer copper powder, Further, under the ultrasonic dispersion with a frequency of 20kHz and a power of 1kW, it was stirred for 5.0h, and then the modified nano-copper powder was obtained through centrifugal separation, deionized water washing, centrifugal separation, vacuum drying, grinding and sieving process, and obtained The modified nano-copper powder is used for subsequent use;

[0035] Preparation of lubricating oil composition:

[0036]

[0037]

[0038] According...

Embodiment 2

[0040] Preparation of modified nano-copper powder:

[0041]

[0042] According to the above mass percentage, n-butyl mercaptan, phenethyl mercaptan, dodecyltrimethylammonium bromide, tetradecyldimethylpyridinium bromide, hexadecyldimethylbenzyl Ammonium bromide, methyl benzotriazole, sodium citrate and potassium tartrate were added into deionized water, under the action of ultrasonic dispersion with a frequency of 28kHz and a power of 5kW, after stirring for 0.4h, nano-copper powder was added, further Under the ultrasonic dispersion with a frequency of 28kHz and a power of 5kW, stir for 3.0h, and then obtain modified nano-copper powder through centrifugal separation, deionized water washing, centrifugal separation, vacuum drying, grinding and sieving. Modified nano-copper powder for standby;

[0043] Preparation of lubricating oil composition:

[0044]

[0045]

[0046] According to the above mass percentages, 1-methyl-3-butylimidazolium tetrafluoroborate, modified ...

Embodiment 3

[0048] Preparation of modified nano-copper powder:

[0049]

[0050] According to the above mass percentage, n-dodecyl mercaptan, n-pentyl mercaptan, dodecyl dimethyl benzyl ammonium chloride, octadecyl trimethyl ammonium bromide, N-hydroxybenzo Add triazole, benzotriazole, disodium edetate and potassium citrate into deionized water, stir for 0.5h under ultrasonic dispersion with a frequency of 40kHz and a power of 10kW, and then add nano-copper powder, further stirred for 2.0h under the action of ultrasonic dispersion with a frequency of 40kHz and a power of 10kW, and then centrifuged, washed with deionized water, centrifuged, vacuum dried, ground and sieved to obtain modified nano-copper powder. The prepared modified nano-copper powder is standby;

[0051] Preparation of lubricating oil composition:

[0052]

[0053]

[0054] According to the above mass percentage, N-butylpyridinium hexafluorophosphate, modified nano-copper powder, calcium alkyl salicylate, polyen...

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Abstract

The invention discloses a lubricating oil composition and a preparation method thereof. According to the method, base oil, detergent, dispersant, preservative, extreme-pressure antiwear additive, oily agent, antioxidant, viscosity index improver, rust inhibitor, pour-point depressant, antifoaming agent and novel lubricating oil additive are compounded to obtain the lubricating oil composition. The method has the advantages of simple and feasible production technique, low equipment investment, low energy consumption and no environmental pollution, and is beneficial to popularization and application. The lubricating oil composition can be widely used in the fields of mechanical industry, automobile industry, precision instruments, power industry, metallurgical industry, die making and application industry, iron and steel industry, machine tool industry and the like, and has wide application prospects.

Description

technical field [0001] The invention relates to a lubricating oil composition and a preparation method thereof, belonging to the field of lubricating oils. Background technique [0002] Lubricating oil is mainly used to reduce the friction between the surfaces of moving parts and has a lubricating effect. At the same time, it also has the functions of rust prevention, corrosion protection, insulation, power transmission, cooling, sealing, cleaning impurities and buffering for machinery and equipment. It is a class in the machinery industry. , automobile industry, precision instrument, electric power industry, metallurgical industry, mold manufacturing and application industry, iron and steel industry, machine tool industry and other industrial fields are indispensable chemical products, which play an important role in the above-mentioned industrial fields. With the rapid development of industry and the continuous improvement of equipment technology, my country's demand for v...

Claims

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Application Information

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IPC IPC(8): C10M167/00C10M141/08C09C1/62C09C3/08C10N30/06
Inventor 刘福生
Owner GUANGZHOU LEARNBER SCI & TECH DEV
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