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Preparation method of lubricant base oil

A technology for lubricating base oil and preparation steps, applied in lubricating compositions, base materials, petroleum industry, etc., can solve the problems of lubricating oil performance such as improved low temperature performance, not very obvious, etc., and achieve high flash point, oxidation stability, etc. The effect of good and best anti-friction performance

Inactive Publication Date: 2018-03-23
SHAANXI JUJIEHAN CHEM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the performance of the lubricating oil after epoxidation, such as the low temperature performance, is not very obvious.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A kind of preparation method of lubricating base oil of the present invention, it comprises following preparation steps:

[0015] (1) Take the following raw materials for use: rapeseed oil methyl ester, self-made in the laboratory; ethanol, hydrogen peroxide (mass fraction 50%), formic acid (mass fraction 98%), acetone, hydrochloric acid, sodium hydroxide, potassium hydroxide, phthalate Potassium hydrogen diformate, sodium hydrogen sulfate, p-toluenesulfonic acid, sodium carbonate, etc. (analytical grade, Sinopharm Chemical Reagent Co., Ltd.); D001 resin, 7328 resin (Shanghai Kaiping Resin Co., Ltd.);

[0016] (2) Add 200g of rapeseed oil methyl ester and 16g of formic acid into a four-necked flask with a condenser tube and a thermometer, insert a constant-pressure separatory funnel containing 90g of hydrogen peroxide solution at one end of the bottle mouth, and place the four-necked flask on Preheat to 40°C in a constant temperature water bath; add hydrogen peroxide so...

Embodiment 2

[0021] The preparation method of a kind of lubricating oil base oil described in the invention, it comprises the following preparation steps:

[0022] (1) Take the following raw materials for use: rapeseed oil methyl ester, self-made in the laboratory; ethanol, hydrogen peroxide (50% mass fraction), formic acid (98% mass fraction), acetone, hydrochloric acid, sodium hydroxide, potassium hydroxide, o-benzene Potassium hydrogen diformate, sodium hydrogen sulfate, p-toluenesulfonic acid, sodium carbonate, etc. (analytical grade, Sinopharm Chemical Reagent Co., Ltd.); D001 resin, 7328 resin (Shanghai Kaiping Resin Co., Ltd.);

[0023] (2) Add 200g of rapeseed oil methyl ester and 16g of formic acid into a four-necked flask with a condenser tube and a thermometer, insert a constant pressure separatory funnel containing 90g of hydrogen peroxide solution at one end of the bottle mouth, and place the four-necked flask on Preheat to 40°C in a constant temperature water bath; add hydrog...

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PUM

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Abstract

The invention relates to a preparation method of lubricant base oil. The method comprises the following steps: taking the following raw material for standby use: rapeseed methyl ester, preparing the following raw materials in a laboratory: alcohol, hydrogen peroxide (with the mass fraction being 50 percent), formic acid (with the mass fraction being 98 percent), acetone, hydrochloric acid, sodiumhydroxide, potassium hydroxide and potassium acid phthalate. The lubricant base oil prepared through the method is high in viscosity of alcohol etherification modified epoxy methyl products, high in flashing point and good in oxidation stability, and has good anti-friction property.

Description

technical field [0001] The invention relates to a preparation method of lubricating oil base oil. Background technique [0002] Natural vegetable oil or vegetable oil-based grease is attracting more and more attention and attention because of its good biodegradability, strong renewability, non-toxicity, and excellent lubricating performance, and has become the basis of green lubricating oil instead of petroleum products. Oil raw material. Although natural vegetable oil has its own inherent advantages, it still has many defects such as easy oxidation, poor hydrolytic stability and poor low temperature performance. The existence of these shortcomings restricts its wider application, and the method of chemical modification is usually used to improve its performance. Commonly used modification methods include esterification, epoxidation, and isomerization. However, the performance of the lubricating oil after epoxidation, such as the low temperature performance, is not obviou...

Claims

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Application Information

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IPC IPC(8): C10M109/02C11C3/00C10N20/02
CPCC10M109/02C10N2020/02C10N2020/065C10N2020/071C11C3/00
Inventor 李长英
Owner SHAANXI JUJIEHAN CHEM CO LTD
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