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A kind of biodegradable composite lubricating oil and its preparation process

A technology of biodegradation and preparation process, applied in the field of compound lubricating oil and its preparation process, can solve the problems of inability to improve anti-wear performance, poor compatibility of lubricating oil, and reduced use effect, etc., and achieve good storage stability and lubricating performance , high practical effect

Active Publication Date: 2022-05-17
SHUNCHANG LUBRICANTS GUANGDONG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, when preparing lubricating oil, wear-resistant additives such as silica are generally added. These wear-resistant additives have poor compatibility with lubricating oil and are easy to agglomerate in lubricating oil. Not only cannot improve its anti-wear performance, but will Reduce its use effect, and at the same time, the direction of biodegradation is also a topic of our concern

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0035] The preparation process of a biodegradable composite lubricating oil is as follows:

[0036] (1) Take silicon nitride, titanium diboride, mix and stir for 10min, add isopropanol, ultrasonic dispersion for 20min, then add ammonia, deionized water and isopropanol mixed solution, stir for 5min, continue to add ethyl orthosilicate, isopropanol, stir for 10min, add porosity agent, 40 °C water bath under constant temperature reaction for 2h, heating to 85 °C, reflux reaction for 3h, centrifugal washing after the reaction, vacuum drying, to obtain material A;

[0037] Take material A, heat up to 300 °C, calcinate for 3h, cool to room temperature, get wear-resistant material; calcination heating rate of 1 °C / min;

[0038] (2) Take the wear-resistant material, place it in cyclohexane, ultrasonically disperse for 1h, add oleic acid and concentrated sulfuric acid, stir the reaction at 70 °C for 6h, filter separation, wash with absolute ethanol, vacuum dry at 70 °C to obtain modified w...

example 2

[0044] The preparation process of a biodegradable composite lubricating oil is as follows:

[0045] (1) Take silicon nitride, titanium diboride, mix and stir for 15min, add isopropanol, ultrasonic dispersion for 25min, then add ammonia, deionized water and isopropanol mixed solution, stir for 8min, continue to add ethyl orthosilicate, isopropanol, stir for 12min, add porosity agent, 43 °C water bath under constant temperature reaction 1.5, heating to 88 °C, reflux reaction 2.5h, centrifugal washing after the reaction, vacuum drying, to obtain material A;

[0046] Take material A, heat up to 350 °C, calcinate for 4h, cool to room temperature, get wear-resistant material; the heating rate during calcination is 1.5 °C / min;

[0047] (2) Take the wear-resistant material, place it in cyclohexane, ultrasonically disperse for 1.1h, add oleic acid and concentrated sulfuric acid, stir the reaction at 73 °C for 5h, filter separation, wash with absolute ethanol, vacuum dry at 75 °C to obtain ...

example 3

[0053] The preparation process of a biodegradable composite lubricating oil is as follows:

[0054] (1) Take silicon nitride, titanium diboride, mix and stir for 20min, add isopropanol, ultrasonic dispersion for 30min, then add ammonia, deionized water and isopropanol mixed solution, stir for 10min, continue to add ethyl orthosilicate, isopropanol, stir for 15min, add a porosity agent, 45 °C water bath under the constant temperature reaction for 2h, heat up to 90 °C, reflux reaction for 3h, centrifugal washing after the reaction, vacuum drying, to obtain material A;

[0055] Take material A, heat up to 400 °C, calcinate for 3h, cool to room temperature, get wear-resistant material; the heating rate during calcination is 2 °C / min;

[0056] (2) Take the wear-resistant material, place it in cyclohexane, ultrasonic disperse for 1.2h, add oleic acid and concentrated sulfuric acid, stir the reaction at 75 °C for 6h, filter separation, wash with anhydrous ethanol, vacuum dry at 80 °C to ...

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Abstract

The invention discloses a biodegradable composite lubricating oil and a preparation process thereof. The raw materials of each component of the composite lubricating oil include: by weight, 4-6 parts of modified wear-resistant materials, 3-4 parts of additives, phosphoric acid 10-15 parts, n-stearyl alcohol 15-18 parts, vegetable oil 30-40 parts, oleic acid surfactant 2-3 parts, antioxidant 2-3 parts, extreme pressure agent 2-3 parts, defoamer 1 -2 parts, 5-6 parts of viscosity regulator, 15-20 parts of water; the vegetable oil includes castor oil and cottonseed oil, and the mass ratio of castor oil and cottonseed oil is 1:1; the modified anti-wear agent It is an oil-soluble microsphere, and the microsphere is mainly made of silica-coated filler. The invention discloses a biodegradable composite lubricating oil and its preparation process. The process design is reasonable and the operation is simple. The prepared lubricating oil has excellent anti-wear and anti-friction properties, good lubricating performance, good storage stability, and can be biodegradable. Degradation, will not destroy the ecological environment, practical and environmentally friendly.

Description

Technical field [0001] The present invention relates to the field of lubricating oil technology, specifically a biodegradable composite lubricating oil and the preparation process thereof. Background [0002] With the progress and development of science and technology, we pay more and more attention to environmental pollution, green environmental protection has become the development direction we have been providing, and for lubricating oil, the research and development of a biodegradable, sustainable development of green lubricants has also become one of our main research directions. [0003] Nowadays, when preparing lubricating oil, silica and other wear-resistant additives are generally added, these wear-resistant additives have poor compatibility with lubricating oil, and are easy to agglomerate in lubricating oil, which not only cannot improve its anti-wear performance, but will reduce its use effect, and at the same time, for the direction of biodegradation, it is also a t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10N30/06
CPCC10M2201/085C10M2207/021C10M2207/401C10M2207/402C10M2207/126C10M2215/223C10M2201/105C10M2201/087C10M2201/10C10M173/00C10N2030/06C10N2030/64C10N2020/081C10N2020/06C10N2010/08
Inventor 刘少飞
Owner SHUNCHANG LUBRICANTS GUANGDONG CO LTD
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