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Method for preparing antifriction and repair additive

A technology of additives and formulations, applied in the directions of additives, petroleum industry, lubricating compositions, etc., to achieve the effect of improving dynamic performance, prolonging service life and good anti-wear effect

Inactive Publication Date: 2013-02-06
SHAANXI QIYUAN TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult for a simple substance to achieve the above functions, so the compound synergistic effect of multiple substances should be considered

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] Mix 0.9 kg of MoDDP, 0.5 kg of T106, 0.6 kg of T151, 0.5 kg of T153, 0.5 kg of T406, 0.5 kg of T56l and 0.3 kg of ADPA into 35 kg of paraffinic base oil, heat it under stirring until it is evenly mixed, and obtain the basic formula of the additive .

[0010] Dilute the surface modifier titanate coupling agent and amine compound with an inert anhydrous toluene at a ratio of 1:0.5, and add the diluted surface modifier dropwise to the nano-copper at a ratio of 0.5% to 2.0%. , heating up to 90-100° C., stirring for 15-45 minutes, until a monomolecular film is formed on the surface of the nanometer, removing the inert solvent, and preparing surface-modified nanometer copper particles.

[0011] Add rare earth compounds and nano-copper particles to the basic formula of additives, and perform ultrasonic emulsification and high-energy mechanical dispersion.

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PUM

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Abstract

The invention relates to a lubricating composite which is characterized by taking a mixture of a high-polymer compound and a non-high-polymer compound as an additive. A method for preparing an antifriction and repair additive comprises the steps of mixing MoDDP (molybdenum dialkyl-dithiophosphate), T106, T151, T153, T406, T56l and ADPA (alkyl diphenylamine) in paraffin base oil, stirring and heating, and mixing uniformly to obtain a basic formula of the additive, diluting a surface modifier titanate coupling agent and an amine compound according to the proportion of 1:0.5 with inert anhydrous solution methylbenzene, dropwise adding a diluted surface modifier to nano-copper according to the proportion of 0.5%-2.0%, raising the temperature to 90-100 DEG C, stirring for 15-45 min till a monomolecular film is formed on a nano surface, removing an inert solvent to prepare surface modified nano-copper particles, adding a rare-earth compound and the nano-copper particles to a basic formula of the additive and conducting ultrasonic emulsification and high-energy mechanical dispersion.

Description

technical field [0001] The present invention relates to a lubricating composition characterized by a mixture of polymer and non-polymer compounds as additives. Background technique [0002] Lubrication is one of the effective measures to reduce friction and reduce wear. In order to reduce the friction and wear of mechanical parts. Scientific research workers have made unremitting efforts by using various lubrication methods, hoping to reduce wear as much as possible. It can also achieve the "zero wear" or "slip" state of mechanical parts. Traditional lubricating oil can effectively solve the friction and wear of mechanical parts under normal conditions, but due to technical limitations, its scope of application and working conditions Restricted, such as difficult to meet the high temperature, high load and other harsh conditions of lubrication. In particular, it is impossible to achieve online strengthening and in-situ dynamic repair of the surface of the friction pair. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M161/00C10M125/04C10N30/06C10N80/00
Inventor 张淑芬
Owner SHAANXI QIYUAN TECH DEV
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