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Biodegradable environmentally-friendly lubricating oil and preparation method thereof

A technology of biodegradation and lubricating oil, applied in the field of lubricating oil, can solve the problems of easy formation of sludge and sediment, unsatisfactory low-temperature performance, poor oxidation stability, etc., achieve good biodegradability, improve chemical stability, and be easy to biodegrade Effect

Active Publication Date: 2018-06-08
JIANGSU SHUANGJIANG ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Vegetable oil-based lubricating oil has good sustainable productivity, good lubricating performance, biodegradability, low volatility, and high flash point, and has attracted widespread attention. However, the vegetable oil-based lubricating oil in the prior art has poor oxidation stability. It is easy to form sludge and sediment at high temperature, and it is easy to solidify at low temperature, and the low temperature performance is not ideal. These defects limit the further development of vegetable oil-based lubricants

Method used

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  • Biodegradable environmentally-friendly lubricating oil and preparation method thereof
  • Biodegradable environmentally-friendly lubricating oil and preparation method thereof
  • Biodegradable environmentally-friendly lubricating oil and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0030] A kind of biodegradable environment-friendly lubricating oil, comprises the raw material of following weight part:

[0031]

[0032] Wherein, the preparation method of described modified castor oil, comprises the steps:

[0033] 1) Methyl hydrogen-containing silicone oil modified castor oil: Add 10 g of methyl hydrogen-containing silicone oil into a flask equipped with a constant temperature feeding funnel and a condenser tube, replace the air in the bottle with nitrogen, open the condensed water, and then add 0.3 g of catalyst, castor 13g of sesame oil and 50g of isopropanol were stirred and heated to 80°C, kept for 6 hours, and then the low-volatile substances were removed by distillation under reduced pressure to obtain castor oil modified by hydrogen-containing silicone oil; the catalyst was 2% chlorine Platinic acid in isopropanol;

[0034] 2) Transesterification: 20 g of castor oil modified with methyl hydrogen-containing silicone oil prepared in step 1), (2R,...

Embodiment 2

[0037] A kind of biodegradable environment-friendly lubricating oil, comprises the raw material of following weight part:

[0038]

[0039] Wherein, the preparation method of described modified palm oil comprises the steps:

[0040] 1) Modified palm oil with methyl hydrogen-containing silicone oil: Add 13g of methyl hydrogen-containing silicone oil into a flask equipped with a constant temperature feeding funnel and a condenser tube, replace the air in the bottle with argon, open the condensed water, and then add 0.5g of catalyst, 14g of palm oil and 65g of isopropanol were stirred and heated to 82°C, kept for 6.3 hours, then vacuum distillation to remove low-volatile substances to obtain hydrogen-containing silicone oil-modified palm oil; the catalyst was 2.4% by mass fraction Chloroplatinic acid solution in isopropanol;

[0041] 2) Transesterification: 20 g of palm oil modified by methyl hydrogen-containing silicone oil prepared in step 1), (2R,3S)-2,3,4-trihydroxy-3-met...

Embodiment 3

[0044] A kind of biodegradable environment-friendly lubricating oil, comprises the raw material of following weight part:

[0045]

[0046] Wherein, the preparation method of described modified coconut oil comprises the steps:

[0047] 1) Methyl hydrogen-containing silicone oil modified coconut oil: Add 17g of methyl hydrogen-containing silicone oil into a flask equipped with a constant temperature feeding funnel and a condenser tube, replace the air in the bottle with neon gas, open the condensed water, and then add 0.7g of catalyst, Coconut oil 18g and isopropanol 90g, stir and heat up to 84 ℃, keep warm for 6.8 hours, then vacuum distillation sloughs off low-volatile matter, obtains coconut oil modified by hydrogen-containing silicone oil; the catalyst is 2.8% Chloroplatinic acid solution in isopropanol;

[0048]2) Transesterification: 20 g of coconut oil modified with methyl hydrogen-containing silicone oil prepared in step 1), (2R,3S)-2,3,4-trihydroxy-3-methylbutyl di...

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Abstract

The invention discloses biodegradable environmentally-friendly lubricating oil. The lubricating oil is characterized by comprising the following raw materials in parts by weight: 50-60 parts of modified vegetable oil, 1-3 parts of an antioxidant, 1-3 parts of a viscosity modifier, and 1-3 parts of a rust inhibitor; the modified vegetable oil is prepared by performing hydrosilylation on methyl hydrogen silicone oil and vegetable oil and performing interesterification on the methyl hydrogen silicone oil modified vegetable oil and a phosphate ester compound; and the rust inhibitor is obtained byperforming an esterification reaction on polylactic acid and dodecenylsuccinic acid. The biodegradable environmentally-friendly lubricating oil disclosed by the invention has better viscosity-temperature performance, a more remarkable lubricating effect and more excellent oxidation stability than those of lubricating oil disclosed in the prior art, is biodegradable, and causes less pollution to the environment.

Description

technical field [0001] The invention relates to the technical field of lubricating oil, in particular to a biodegradable environment-friendly lubricating oil 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, cooling, rust prevention, cleaning, sealing and buffering. A large amount of lubricating oil in the process of production, use and discharge due to infiltration, leakage, spillage and improper handling has caused serious environmental problems that pollute soil and water resources, destroying the ecological environment and ecological balance. Increasing awareness and more and more attention. The development of biodegradable environment-friendly lubricating oil is an effective way to solve this problem and is the future development direction o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C08G77/38C08G77/395C08G63/91C10N30/06C10N30/10
CPCC08G63/912C08G77/38C08G77/395C10M169/044C10M2201/084C10M2205/026C10M2207/026C10M2207/12C10M2209/04C10M2209/084C10M2209/102C10M2215/06C10M2229/0405
Inventor 万章文
Owner JIANGSU SHUANGJIANG ENERGY TECH CO LTD
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