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Boron-containing and nitrogen-containing compound for lubricant additive and preparation method thereof

A lubricating oil additive and compound technology, which is applied in the field of boron-nitrogen compounds and their preparation, can solve problems such as unsatisfactory anti-friction and anti-wear effects, waste of energy and time, and environmental impact of water-containing agents, and achieve excellent anti-friction and anti-wear Effect, avoid the use of liquid agent, the effect of short reaction time

Inactive Publication Date: 2012-01-04
LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Most literatures use boric acid as raw material to prepare through dehydration reaction with hydroxyl compound, but this type of reaction often requires dehydrating agent, which changes the system environment. If the dehydrating agent is not removed, it will corrode the friction system; The agent needs to be refluxed for a long time in a system containing water-carrying agents such as benzene or toluene, which wastes energy and time, and at the same time, the water-carrying agent also has an impact on the environment
Moreover, the anti-friction and anti-wear effects of additives synthesized in the past are not ideal. The additives containing boron and nitrogen elements synthesized by Zhengzhi et al. are applied to liquid paraffin, and the friction coefficient is only reduced by 20-30 compared with base oil. %(ZhiZheng, Guangqiu Shen, Yong Wan, Lili Cao, Xiangdong Xu, Qixian Yue, Tianj ian Sun, 2001,"Synthesis, hydrolytic stability and tribological properties of novel borate esters containing nitrogen as lubricant additives," Wear, 222, PP. 135-144.)

Method used

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  • Boron-containing and nitrogen-containing compound for lubricant additive and preparation method thereof
  • Boron-containing and nitrogen-containing compound for lubricant additive and preparation method thereof
  • Boron-containing and nitrogen-containing compound for lubricant additive and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0025] Install a vacuum distillation device, add 0.1 mol oleic acid and 0.1 mol triethanolamine to the three-necked flask and raise the temperature to 65° C., and react for 2 hours. Then the system was decompressed to 0.05MPa, and the small molecules were distilled off to obtain the intermediate product (I).

[0026] Install a vacuum distillation device, add 0.01mol (I) and 0.01mol triethyl borate, keep the temperature at 70°C, and keep the vacuum at 0.05MPa to react for 1 hour and distill the by-products under reduced pressure to obtain the intermediate product (II).

[0027] Add 0.01mol ethanolamine to the system to keep the temperature at 70°C and keep the vacuum at 0.05MPa to react for 1 hour to obtain the target product. Its structure is formula:

[0028]

[0029] The target product is dissolved in liquid paraffin, and its dissolving power reaches 3% (wt%). The tribological properties of liquid paraffin added with 0.5% of the target product were investigated on a fou...

Embodiment 2

[0031] Install a vacuum distillation device, add 0.1 mol oleic acid and 0.1 mol triethanolamine to the three-necked flask and raise the temperature to 65° C., and react for 2 hours. Then the system was decompressed to 0.05MPa to distill off the small molecules to obtain the intermediate product (I).

[0032] Install a vacuum distillation device, add 0.01mol (I) and 0.01mol triethyl borate, keep the temperature at 70°C, and keep the vacuum at 0.05MPa to react for 1 hour to obtain the intermediate product (II).

[0033] Add 0.01 mol of butanol to the system to keep the temperature at 70° C. and keep the vacuum at 0.05 MPa to react for 1 hour to obtain the target product. Its structure is formula:

[0034]

[0035] The target product is dissolved in liquid paraffin, and its dissolving power reaches 3% (wt%). The tribological properties of liquid paraffin added with 0.5% of the target product were investigated on a four-ball friction and wear testing machine. The test load wa...

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Abstract

The invention discloses a boron-containing and nitrogen-containing compound for a lubricant additive and a preparation method thereof. The structure of the boron-containing and nitrogen-containing compound is represented by a general formula (III), and in the formula (III), R represents C4H9 or C2H6N. The method for preparing the compound is simple and environment-friendly, has short reaction time and mild reaction temperature without medium in the reaction. The compound does not contain sulfur, phosphorus and other elements harmful to environment, and has excellent effects on friction reduction and abrasion resistance when the compound is added to liquid paraffin and other base oil.

Description

technical field [0001] The invention relates to a boron-nitrogen compound used as a lubricating oil additive and a preparation method thereof. Background technique [0002] With the enhancement of people's awareness of environmental protection, "environmentally friendly" anti-friction and anti-wear additives for lubricating oil are more and more favored by people. People began to use unleaded gasoline in 1980, and at the same time required the phosphorus content in lubricating oil to be less than 0.14% and the ash content to be less than 1.0%, which actually controlled the content of phosphorus, sulfur and ash in lubricating oil. At the same time, chlorine-containing anti-friction and anti-wear agents have also been banned by countries such as the United States and Western Europe because of their environmental hazards. [0003] Organic nitrogen-containing borates have unique advantages as anti-friction and anti-wear agents for lubricating oils, such as good anti-friction an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M139/00C07F5/04
Inventor 夏延秋贾正锋刘维民
Owner LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI