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A kind of high temperature resistant lubricating oil base oil and preparation method thereof

A high-temperature-resistant lubricating oil and base oil technology, applied in the field of lubricating oil, can solve the problems of low flash point and poor oxidation stability of castor oil, and achieve the effects of high flash point, good wear resistance, and good oxidation stability

Inactive Publication Date: 2017-10-20
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to overcome the shortcomings of castor oil such as poor oxidation stability and low flash point, and provide a high-temperature-resistant lubricating oil base oil that is environmentally friendly, high in oxidation stability, and high in flash point

Method used

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  • A kind of high temperature resistant lubricating oil base oil and preparation method thereof
  • A kind of high temperature resistant lubricating oil base oil and preparation method thereof
  • A kind of high temperature resistant lubricating oil base oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] 1. Preparation of compound 1

[0028] Put 100g castor oil into a three-necked flask equipped with reflux condenser and constant speed stirrer, heat up to 80℃, add 69g 2-ethoxybenzoic acid and 2.5g NaH 2 PO 4 , The reaction was stirred at a constant temperature of 310 rpm for 4 hours, cooled to room temperature, allowed to stand for stratification, the product was washed with boiling water to neutrality, and dehydrated by rotary evaporation at 0.02MPa and 86~93℃ to obtain compound 1. Its chemical reaction The equation is as follows:

[0029]

[0030] Where R 0 representative R 1 representative

[0031] 2. Preparation of compound 2

[0032] Add 50g of compound 1 into a three-necked flask equipped with a reflux condenser and a constant-speed stirrer. The temperature was raised to 50℃, and then 15g of acetic acid and 32.5g of 30% H were added dropwise to the three-necked flask. 2 O 2 The mixed solution of the solution and 1.0g concentrated sulfuric acid (98% by mass) was stirred ...

Embodiment 2

[0041] 1. Preparation of compound 1

[0042] Put 100g castor oil into a three-necked flask equipped with reflux condenser and constant speed stirrer, heat up to 90℃, add 50g 2-ethoxybenzoic acid and 2.0g NaH 2 PO 4 The reaction was stirred at a constant temperature of 310 revolutions / min for 3 hours, cooled to room temperature, allowed to stand for stratification, the product was washed with boiling water to neutrality, and dehydrated by rotary evaporation at 0.02MPa and 86-93°C to obtain compound 1.

[0043] 2. Preparation of compound 2

[0044] Put 40g of compound 1 into a three-necked flask equipped with a reflux condenser and a constant-speed stirrer, the temperature was raised to 60℃, and then 8g of acetic acid and 20g of 30% H were added dropwise to the three-necked flask. 2 O 2 The mixed solution of the solution and 0.4g of concentrated sulfuric acid (98% by mass) was stirred at 400 rpm for 2 hours, cooled to room temperature, allowed to stand for stratification, and the produc...

Embodiment 3

[0048] 1. Preparation of compound 1

[0049] Put 100g castor oil into a three-necked flask equipped with reflux condenser and constant speed stirrer, heat up to 70℃, add 100g 2-ethoxybenzoic acid and 5.0g NaH 2 PO 4 The reaction was stirred at a constant temperature of 310 rpm for 5 hours, cooled to room temperature, and allowed to stand for separation. After the product was washed with boiling water to neutrality, it was dehydrated by rotary evaporation at 0.02MPa and 86-93°C to obtain compound 1.

[0050] 2. Preparation of compound 2

[0051] Put 40g of compound 1 into a three-necked flask equipped with a reflux condenser and a constant-speed stirrer, the temperature was raised to 40℃, and then 20g of acetic acid and 40g of 30% H were added dropwise to the three-necked flask. 2 O 2 The mixed solution of the solution and 1.2g of concentrated sulfuric acid (98% by mass) was stirred for 5 hours at a constant temperature of 400 revolutions / min, cooled to room temperature, and allowed to...

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Abstract

The invention discloses a high temperature resistant lubricating oil base oil and a preparation method thereof. The base oil is prepared by modifying castor oil in three steps of esterification, epoxy and ring opening. The lubricating oil base oil prepared by the invention has a high flash point, good oxidation stability, good wear resistance, has remarkable high temperature resistance, is suitable for use in a high temperature environment, and the base oil is green and environmentally friendly, and can be used in various fields. with broadly application foreground.

Description

Technical field [0001] The invention belongs to the technical field of lubricating oil, and specifically relates to a green and environmentally friendly high-temperature resistant lubricating oil base oil and a preparation method thereof. Background technique [0002] The base oil of lubricating oil is composed of mineral oil, synthetic ester and vegetable oil. Mineral oil was discovered at the end of the 19th century and subsequently monopolized the lubricant market. With the use of mineral oil, its non-degradability has brought harm to the environment, and the non-renewability of petroleum resources has caused a serious shortage of petroleum resources. Therefore, vegetable oils with high-efficiency biodegradability and recycling properties have established an important position in the research of green and environmentally friendly lubricant base oils. [0003] Castor oil is a yellow viscous vegetable oil that belongs to non-dry oil. The main component is 12-hydroxyricinoleic ac...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M105/40
Inventor 雷忠利安明伟杨红孙千钧
Owner SHAANXI NORMAL UNIV
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