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Preparation method of biodegradable caster oil-based lubricant oil

A castor oil-based, biodegradable technology, used in lubricating compositions, petroleum industry, additives, etc., can solve the problems of energy pressure not being alleviated, increasing processing costs, reducing oil resources, etc., to reduce energy pressure and product quality. Improve and reduce the effect of safety hazards

Inactive Publication Date: 2015-11-25
JIANGSU JINYU ENVIRONMENTAL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention: the current traditional lubricating oil uses mineral oil as the base oil to flow into the environment, which cannot be degraded by itself, and contains a large amount of additives, which not only pollutes the environment, but also increases the processing cost, and has defects in product quality , many potential safety hazards, in addition, petroleum resources are gradually decreasing, so that the energy pressure cannot be alleviated, and a method for preparing biodegradable castor oil-based lubricating oil is provided. Obtain sebacic acid, then self-made phosphotungsten / silicon dioxide catalyst, esterify under the action of the catalyst to obtain light yellow diisooctyl sebacate, mix it with castor oil in a mass ratio of 3:2 and add An appropriate amount of thickener is used to adjust its viscosity, and after concentration and dehydration, a biodegradable castor oil-based lubricating oil is finally obtained after activated carbon adsorption

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0021] First, take 100g of paraffin oil and put it into the cracking furnace, heat it to 80°C, slowly add 60mL of sodium hydroxide solution with a mass concentration of 50% while stirring, and carry out low-pressure dehydration after the pressure is reduced to 1000Pa, and then raise the temperature of the cracking furnace to 240 ℃, slowly add 100g castor oil dropwise, control the rate of addition so that the dropwise addition is completed within 60min, and then crack at 240℃ for 5h; then put the cracked product into a 2L beaker, add 500mL hot water and use 30% hydrochloric acid Adjust the pH of the solution to 5. After the paraffin oil and water layers are separated, remove the paraffin oil layer, continue to adjust the pH of the water layer to 2, and then raise the temperature to 100°C, recover sebacic acid by fractional distillation; next, take 5 mL of ethyl orthosilicate Dissolve 10mL of phosphotungstic acid in 100mL of ethanol, place it on a magnetic stirrer, raise the temp...

example 2

[0024] First take 250g of paraffin oil and put it into the cracking furnace, heat it to 90°C, slowly add 80mL of sodium hydroxide solution with a mass concentration of 50% while stirring, carry out low-pressure dehydration after decompression to 1500Pa, and then raise the temperature of the cracking furnace to 300 ℃, slowly add 120g castor oil dropwise, control the rate of addition so that the dropwise addition is completed within 80min, and then crack at 300℃ for 7h; then put the cracked product into a 2L beaker, add 550mL hot water and use 30% hydrochloric acid Adjust the pH of the solution to 5.5. After the paraffin oil and water layers are separated, remove the paraffin oil layer, continue to adjust the pH of the water layer to 2.5, and then raise the temperature to 103°C, recover sebacic acid by fractional distillation; next, take 8 mL of ethyl orthosilicate Dissolve 15mL of phosphotungstic acid in 150mL of ethanol, place it on a magnetic stirrer, raise the temperature in ...

example 3

[0027] First, take 400g of paraffin oil and put it into the cracking furnace, heat it to 100°C, slowly add 100mL of sodium hydroxide solution with a mass concentration of 50% while stirring, depressurize to 2000Pa and carry out low-pressure dehydration treatment, then raise the temperature of the cracking furnace to 360 ℃, slowly add 150g castor oil dropwise, control the dropping rate so that the dropwise addition is completed within 90min, and then crack at 360℃ for 8h; then put the cracked product into a 2L beaker, add 600mL hot water and use 30% hydrochloric acid Adjust the pH of the solution to 6. After the paraffin oil and water layers are separated, remove the paraffin oil layer, continue to adjust the pH of the water layer to 3, and then raise the temperature to 105°C, recover sebacic acid by fractional distillation; next, take 10 mL of ethyl orthosilicate Dissolve 20mL of phosphotungstic acid in 200mL of ethanol, place on a magnetic stirrer, heat up to 40°C in a water b...

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Abstract

The invention discloses a preparation method of biodegradable caster oil-based lubricant oil and belongs to the field of preparation by virtue of biotechnology. The preparation method of the biodegradable caster oil-based lubricant oil comprises the following steps: adding alkali for cracking caster oil, so as to obtain sebacic acid; then preparing a self-made phosphotungstic / silica catalyst, and esterifying in presence of the catalyst, so as to obtain flavescent di-iso-octyl sebacate; mixing the flavescent di-iso-octyl sebacate with caster oil in a mass ratio of 3:2, and adding a right amount of thickening agent for regulating viscosity; and then concentrating and dehydrating, and adsorbing with activated carbon, so as to finally obtain the biodegradable caster oil-based lubricant oil. Examples prove that the preparation method of the biodegradable caster oil-based lubricant oil has the advantages that no harm is caused to the surrounding environment in an operation process, the duration of usage is prolonged by more than 5 months after use compared with common lubricant oil, damages caused by machine fraction are reduced, and the service life of a machine is prolonged.

Description

technical field [0001] The invention discloses a preparation method of biodegradable castor oil-based lubricating oil, which belongs to the field of biotechnology preparation. 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, cooling, rust prevention, cleaning, sealing and buffering. [0003] In recent years, my country's industry has developed rapidly, and the processing industry has also made rapid progress. Lubricating oil is one of the important petrochemical products. As a result, the demand for lubricating oil products for various mechanical equipment is also increasing, and the performance requirements for lubricating oil are also increasing. High, in order to meet the requirements of the performance of lubricating oil under the harsh conditions of mechanical equipment, the ...

Claims

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Application Information

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IPC IPC(8): C10M169/04C10M159/12C10N30/10C10N40/02
Inventor 李锦宇张帆林大伟
Owner JIANGSU JINYU ENVIRONMENTAL ENG
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