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Environment-friendly lubricating oil and preparation method thereof

A lubricating oil, environment-friendly technology, applied in the field of lubricating oil, can solve the problems of limited anti-oxidation stability, etc., and achieve excellent heat resistance stability, good rust resistance, and high anti-wear effect

Pending Publication Date: 2021-03-16
SHANGHAI INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this invention uses a small amount of sulfurized castor oil as an additive, and the anti-oxidation stability is limited. The base oil is the skeleton of the lubricating oil and plays a decisive role in the performance of the lubricating oil. Therefore, this invention can only limit the improvement of the anti-oxidation performance of the lubricating oil. High temperature wear resistance

Method used

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  • Environment-friendly lubricating oil and preparation method thereof
  • Environment-friendly lubricating oil and preparation method thereof
  • Environment-friendly lubricating oil and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] An environment-friendly lubricating oil, comprising the following components in parts by weight: 41.3 parts of lightly sulfurized castor oil containing 2% sulfur, 41.3 parts of lightly sulfurized rapeseed oil containing 2% sulfur, 4.5 parts of phenolic high-efficiency antioxidant, Extreme pressure antiwear agent sulfurized isobutylene (T321) 4.2 parts, nanometer fluorinated graphite 2.2 parts, silicon ether polymer (T911) 0.8 parts, alkyl thiadiazole 1.7 parts, heptadecenyl imidazoenyl succinate 2.1 parts, zinc diamylcarbamate 1.9 parts

[0036] Its preparation method is as follows:

[0037] Put 41.3 parts of lightly sulfurized castor oil containing 2% sulfur and 41.3 parts of lightly sulfurized rapeseed oil containing 2% sulfur into the blending kettle, and put in the phenolic high-efficiency antioxidant in sequence under stirring at 60-63°C 4.5 parts, extreme pressure anti-wear agent vulcanized isobutylene T3214.2 parts, alkyl thiadiazole 1.7 parts, heptadecenyl imid...

Embodiment 2

[0039] An environment-friendly lubricating oil, comprising the following components in parts by weight: 40.2 parts of lightly sulfurized castor oil containing 3% sulfur, 50 parts of lightly sulfurized rapeseed oil containing 1% sulfur, 1.3 parts of amine-type high-efficiency antioxidant, 2.4 parts of tricresyl phosphate, 0.5 parts of nano calcium borate, 0.3 parts of silicon ether polymer (T911), 2.0 parts of benzotriazole derivatives, 1.2 parts of barium dinonyl naphthalenesulfonate, 2.1 parts of zinc diamylcarbamate .

[0040]Put 40.2 parts of environmentally friendly base oils of mildly vulcanized castor oil containing 3% sulfur and 50 parts of lightly vulcanized rapeseed oil containing 1.3 parts of antioxidant, 2.4 parts of tricresyl phosphate, extreme pressure antiwear agent, 2.0 parts of benzotriazole derivatives, 1.2 parts of barium dinonyl naphthalene sulfonate, 2.1 parts of zinc diamyl carbamate, and then put in nanometer calcium borate 0.5 parts, 0.3 parts of silico...

Embodiment 3

[0042] An environment-friendly lubricating oil, comprising the following components in parts by weight: 32 parts of lightly sulfurized castor oil containing 1% sulfur, 42.2 parts of lightly sulfurized rapeseed oil containing 1% sulfur, 2 parts of phenolic antioxidant, amine 3.6 parts of high-efficiency antioxidant, 2.4 parts of tricresyl phosphate, 2.9 parts of sulfurized isobutylene, 2.8 parts of nano-boride rare earth friction modifier, 1.8 parts of ether polymer (T903), 3.8 parts of heterocyclic derivatives, N-oil Acyl sarcosine-stearyl ammonium salt 2.2 parts, dialkyl dithiophosphate zinc 4.3 parts.

[0043] Put 32 parts of environmentally friendly base oils of lightly sulfurized castor oil containing 1% sulfur, and 42.2 parts of lightly sulfurized rapeseed oil containing 2 parts of oxygen agent, 3.6 parts of amine type high-efficiency antioxidant, 2.4 parts of tricresyl phosphate, 2.9 parts of sulfurized isobutylene, 3.8 parts of heterocyclic derivatives, 2.2 parts of N-o...

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Abstract

The invention relates to environment-friendly lubricating oil and a preparation method thereof. The environment-friendly lubricating oil is prepared from the following components in parts by weight: 74.2 to 90.2 parts of slightly vulcanized vegetable oil, 1.3 to 5.6 parts of an antioxidant, 0.5 to 2.8 parts of a friction improver, 2.1 to 4.3 parts of an antioxidant preservative, 2.4 to 5.3 parts of an extreme-pressure anti-wear agent, 0.3 to 1.8 parts of a defoaming agent, 2.0 to 3.8 parts of a metal deactivator and 1.2 to 2.2 parts of an antirust agent. Compared with the prior art, the lubricating oil has the advantages of excellent thermal stability and oxidation stability, good wear resistance, obvious antifriction performance, passivation resistance, good rust resistance, corrosion resistance, environmental friendliness and easiness in biodegradation.

Description

technical field [0001] The invention relates to the technical field of lubricating oil, in particular to an environment-friendly lubricating oil and a preparation method thereof. Background technique [0002] With the development of precision machinery and automation, people's requirements for mechanical tools are getting higher and higher. Lubricating oil is a liquid or semi-solid used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and processed parts. Lubricants mainly play the roles of lubrication, auxiliary cooling, rust prevention, cleaning, sealing and buffering. With the improvement of people's awareness of environmental protection, the requirements for the environmental friendliness of mechanical tools are higher, and practical and environmentally friendly lubricants can help protect the environment. At present, lubricating oils are complicated, some are not resistant to thermal stability and oxidation stability, so...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/06C10N30/08C10N30/10C10N30/12
CPCC10M169/044C10M2201/042C10M2201/087C10M2201/05C10M2207/026C10M2215/064C10M2215/223C10M2215/04C10M2223/045C10M2219/044C10M2219/024C10M2219/022C10M2223/041C10M2219/106C10M2229/047C10M2215/224C10M2215/08
Inventor 叶斌董莲
Owner SHANGHAI INST OF TECH
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