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Lubricating oil containing nitrogen boric acid ester additive and preparation method thereof

A nitrogen borate and additive technology, applied in the field of lubricating oil, can solve the problems of high cost and complicated preparation process, and achieve the effects of low cost, simple preparation method and reduced mechanical loss

Inactive Publication Date: 2017-02-01
SICHUAN CARBON WORLD TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the above-mentioned patents also have problems such as complicated preparation process and high cost.

Method used

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  • Lubricating oil containing nitrogen boric acid ester additive and preparation method thereof
  • Lubricating oil containing nitrogen boric acid ester additive and preparation method thereof
  • Lubricating oil containing nitrogen boric acid ester additive and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0021] A lubricating oil containing a nitrogen borate additive is prepared by the following method: in a reaction kettle with a stirrer, a thermometer and a water separation and reflux device, adding boric acid and hexadecanoic acid with a molar ratio of 1: 1.5 Alcohol, and add a certain amount of toluene as a solvent, stir and react at about 120 ° C for 1 hour, then add ethanolamine with a molar ratio of 3, react for 5 hours, and reflux to obtain nitrogen borate lubricating oil additive;

[0022] Add 1% of the above-mentioned nitrogen borate additive (mass percentage, the same below), 8% of thiophosphatyl octyl zinc salt, 30% of petroleum ether, 10% of sorbitol, 20% of glycerin, 20% of cyclohexane, fluorine Surfactant 1% and borated polyisobutenyl succinimide 10% were stirred and blended to prepare "lubricating oil A".

Embodiment 2

[0024] A lubricating oil containing a nitrogen borate additive is prepared by the following method: in a reaction kettle with a stirrer, a thermometer and a water separation and reflux device, adding boric acid and hexadecanoic acid in a molar ratio of 1:2 Alcohol, and add a certain amount of toluene as a solvent, stir and react at about 120 ° C for 1 hour, then add ethanolamine with a molar ratio of 3, react for 5 hours, and reflux to obtain nitrogen borate lubricating oil additive;

[0025] Add 3% of the above-mentioned nitrogen borate additive (mass percentage, the same below), 5% of octyl zinc salt of thionate, 25% of petroleum ether, 15% of sorbitol, 15% of glycerin, 25% of cyclohexane, fluorine Surfactant 2% and borated polyisobutenyl succinimide 10% were stirred and blended to prepare "lubricating oil B".

Embodiment 3

[0027] A lubricating oil containing a nitrogen borate additive is prepared by the following method: in a reaction kettle with a stirrer, a thermometer and a water separation and reflux device, adding boric acid and hexadecanoic acid with a molar ratio of 1: 1.5 Alcohol, and add a certain amount of toluene as a solvent, stir and react at about 120 ° C for 1 hour, then add ethanolamine with a molar ratio of 5, react for 5 hours, and reflux to obtain nitrogen borate lubricating oil additive;

[0028] Add 5% of the above-mentioned nitrogen borate additive (mass percentage, the same below), 6% of octyl zinc salt of thionate, 25% of petroleum ether, 15% of sorbitol, 15% of glycerin, 25% of cyclohexane, fluorine Surfactant 1% and borated polyisobutenyl succinimide 8% were stirred and blended to prepare "lubricating oil C".

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Abstract

The invention discloses lubricating oil containing a nitrogen boric acid ester additive and a preparation method thereof, which belong to the technical field of lubricating oil. The additive is prepared from the raw materials: boric acid to hexadecyl alcohol to ethanol amine is equal to (0.5 to 1.2) to (0.5 to 3) to (1 to 5). The preparation method comprises the following steps of firstly, adding the boric acid, the hexadecyl alcohol and a solvent with the molar ratio, reacting at the temperature of 115 to 125 DEG C for 0.8 to 1.2h, then adding the ethanol amine, reacting for 4 to 6h, and then backflowing to obtain the additive; then adding sulfur phosphorus butyl zinc alkyl salt, petroleum ether, sorbitol, glycerol, cyclohexane, fluorinated surfactant and boronizing polyisobutenyl succinimide, and mixing to prepare the lubricating oil containing the nitrogen boric acid ester additive. According to the lubricating oil provided by the invention, the abrasion resistance can be remarkably improved.

Description

technical field [0001] The invention relates to the technical field of lubricating oil, in particular to a lubricating oil containing a nitrogen borate ester additive and a preparation method thereof. Background technique [0002] Lubricating oil is a liquid or semi-solid lubricant used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. It mainly plays the roles of lubrication, auxiliary cooling, rust prevention, cleaning, sealing and buffering. In order to enhance the above-mentioned effects of the lubricating oil, certain additives are often added to the lubricating oil. [0003] Existing lubricating oil additives are divided into many types. Among them, organic borate, as a new type of multifunctional lubricating oil additive, has excellent anti-friction and anti-wear properties, and has been widely used in various lubricating oils abroad; but like all esters, ordinary borate It is very easy to be hydro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M139/00C07F5/04C10N30/06
CPCC07F5/04C10M139/00C10M2203/04C10M2207/022C10M2207/0225C10M2223/061C10N2030/06C10N2010/04
Inventor 刘军辉丁立连金杯张仲才
Owner SICHUAN CARBON WORLD TECH CO LTD
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