Anti-wear agent for mechanical lubricating oil and preparation method of anti-wear agent

A technology of mechanical lubricating oil and anti-wear agent, applied in lubricating compositions, additives, petroleum industry, etc., can solve the problems of inability to prolong the service life of parts, poor effect, etc., and achieve improved comprehensive performance, simple operation, and reduced engine wear Effect

Inactive Publication Date: 2017-12-22
马鞍山中粮生物化学有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The anti-wear agent added in the prior art can have a certain anti-wear eff

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] The anti-wear agent components include 10 parts of sulfurized isobutylene, 15 parts of chlorinated paraffin, 4 parts of ricinoleic acid, 3 parts of silicon micropowder, 3 parts of nano-scale titanium dioxide powder, 2 parts of magnesium oxide, 4 parts of cellulose sulfuric acid, 2 parts of sulfonated graphene, 5 parts of nano molybdenum disulfide.

[0012] The preparation method of the present embodiment comprises the following steps:

[0013] A. After mixing sulfurized isobutylene, chlorinated paraffin, ricinoleic acid, silicon micropowder, and nano-scale titanium dioxide powder, add them into the reactor for uniform mixing, the reaction pressure is 800pa, the temperature is 150°C, and the time is 80min to obtain the mixture A;

[0014] B. Add magnesia, cellulose sulfuric acid, sulfonated graphene, and nano-molybdenum disulfide to the mixture A. After mixing, add it to the stirring tank for low-speed stirring. The speed is 300 rpm, the time is 40min, and it is obtained...

Embodiment 2

[0017] The anti-wear agent components include 20 parts of sulfurized isobutylene, 30 parts of chlorinated paraffin, 12 parts of ricinoleic acid, 8 parts of silicon micropowder, 14 parts of nano-scale titanium dioxide powder, 8 parts of magnesium oxide, 10 parts of cellulose sulfuric acid, 8 parts of sulfonated graphene, 15 parts of nano molybdenum disulfide.

[0018] The preparation method of the present embodiment comprises the following steps:

[0019] A. After mixing sulfurized isobutylene, chlorinated paraffin, ricinoleic acid, silicon micropowder, and nano-scale titanium dioxide powder, add them into the reactor for uniform mixing, the reaction pressure is 800pa, the temperature is 150°C, and the time is 80min to obtain the mixture A;

[0020] B. Add magnesia, cellulose sulfuric acid, sulfonated graphene, and nano-molybdenum disulfide to the mixture A. After mixing, add it to the stirring tank for low-speed stirring. The speed is 300 rpm, the time is 40min, and it is obta...

Embodiment 3

[0023] The anti-wear agent components include 12 parts of sulfurized isobutylene, 17 parts of chlorinated paraffin, 6 parts of ricinoleic acid, 4 parts of silicon micropowder, 5 parts of nano-scale titanium dioxide powder, 3 parts of magnesium oxide, 5 parts of cellulose sulfuric acid, 3 parts of sulfonated graphene, 6 parts of nano molybdenum disulfide.

[0024] The preparation method of the present embodiment comprises the following steps:

[0025] A. After mixing sulfurized isobutylene, chlorinated paraffin, ricinoleic acid, silicon micropowder, and nano-scale titanium dioxide powder, add them into the reactor for uniform mixing, the reaction pressure is 800pa, the temperature is 150°C, and the time is 80min to obtain the mixture A;

[0026] B. Add magnesia, cellulose sulfuric acid, sulfonated graphene, and nano-molybdenum disulfide to the mixture A. After mixing, add it to the stirring tank for low-speed stirring. The speed is 300 rpm, the time is 40min, and it is obtained...

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PUM

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Abstract

The invention discloses an anti-wear agent for mechanical lubricating oil and a preparation method of the anti-wear agent. The anti-wear agent is prepared from components in parts by weight as follows: 10-20 parts of sulfurized isobutene, 15-30 parts of chlorinated paraffin, 4-12 parts of ricinoleic acid, 3-8 parts of silica powder, 3-14 parts of nano titanium dioxide powder, 2-8 parts of magnesium oxide, 4-10 parts of cellulose sulfate, 2-8 parts of sulfonated graphene and 5-15 parts of nano-molybdenum disulfide. The preparation method is simple, and by means of the prepared anti-wear agent, engine wear can be reduced, and working life of each friction part can be prolonged.

Description

technical field [0001] The invention relates to the technical field of preparation of antiwear agents, in particular to an antiwear agent for mechanical lubricating oil and a preparation method thereof. Background technique [0002] With the increasingly stringent environmental protection regulations, the control of indicators such as sulfur content in diesel oil is becoming more and more stringent. The refinery must reduce the sulfur content through deep hydrotreating. At the same time, some natural lubricating substances in diesel oil are also removed, resulting in a significant decline in the lubricating performance of diesel oil. In order to improve the lubricity of low-sulfur diesel oil, adding diesel antiwear agent is a very effective means to improve the lubricity of diesel oil. At present, the most economical and effective oil lubrication improvers for low-sulfur diesel are three types: unsaturated fatty acid, unsaturated fatty acid ester and fatty acid amide. The ...

Claims

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Application Information

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IPC IPC(8): C10M141/08C10N30/06
CPCC10M141/08C10M2201/04C10M2201/041C10M2201/062C10M2201/066C10M2207/126C10M2209/12C10M2211/08C10M2219/022C10N2030/06
Inventor 黄海宁唐宏泉徐文兵汪建军
Owner 马鞍山中粮生物化学有限公司
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