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Diesel engine lubricating oil composition and preparation method thereof

A lubricating oil composition and a technology for a diesel engine are applied in the field of lubricating oil to achieve the effects of improved chemical stability and lubricating performance, strong anti-wear and high-temperature deposit inhibition capabilities, high production efficiency and high yield of finished products

Inactive Publication Date: 2022-03-22
王界
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still room for improvement in the antioxidant properties, detergent-dispersing properties and anti-wear properties of the composition
In addition, its corrosion resistance and service life need to be further improved

Method used

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  • Diesel engine lubricating oil composition and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A diesel engine lubricating oil composition is characterized in that it is composed of the following components in parts by weight: 0.1 part of nicotinamide adenine dinucleotide, 4-[4-(oxirane-2-yl Methoxy)phenyl]-1,2,3-thiadiazole modified tris(4-aminophenyl)phosphorothioate 0.05 part, modified black phosphorus nanosheet 0.1 part, base oil 80 parts, tea poly 0.1 part of phenol, 0.5 part of viscosity improver.

[0023] The viscosity improver is polymethacrylate; the base oil is a polyalpha-olefin base oil whose brand name is Spectrasyn8.

[0024] The preparation method of the modified black phosphorus nanosheets comprises the following steps: dispersing the black phosphorus nanosheets in an organic solvent, then adding a phenol-based coupling agent thereto, stirring and reacting at 60° C. for 3 hours, and then rotating to remove the solvent , to obtain modified black phosphorus nanosheets; the mass ratio of the black phosphorus nanosheets, organic solvent, and phenolic...

Embodiment 2

[0028] A diesel engine lubricating oil composition is characterized in that it is composed of the following components in parts by weight: 0.15 parts of nicotinamide adenine dinucleotide, 4-[4-(oxirane-2-yl Methoxy)phenyl]-1,2,3-thiadiazole modified tris(4-aminophenyl)phosphorothioate 0.15 parts, modified black phosphorus nanosheets 0.15 parts, base oil 82 parts, tea poly 0.12 parts of phenol, 0.7 parts of viscosity improver.

[0029]The viscosity improver is polyisobutylene; the base oil is a polyalpha-olefin base oil whose brand name is Spectrasyn8.

[0030] The preparation method of the modified black phosphorus nanosheets comprises the following steps: dispersing the black phosphorus nanosheets in an organic solvent, then adding a phenol-based coupling agent thereto, stirring and reacting at 65° C. for 3.5 hours, and then rotating to remove the solvent , to obtain modified black phosphorus nanosheets; the mass ratio of the black phosphorus nanosheets, organic solvent, and...

Embodiment 3

[0034] A diesel engine lubricating oil composition is characterized in that it is composed of the following components in parts by weight: 0.2 parts of nicotinamide adenine dinucleotide, 4-[4-(oxirane-2-yl Methoxy)phenyl]-1,2,3-thiadiazole modified tris(4-aminophenyl)phosphorothioate 0.35 parts, modified black phosphorus nanosheets 0.2 parts, base oil 85 parts, tea poly 0.15 part of phenol, 1 part of viscosity improver.

[0035] The viscosity improver is polyvinyl n-butyl ether; the base oil is a polyalpha-olefin base oil whose brand name is Spectrasyn8.

[0036] The preparation method of the modified black phosphorus nanosheets comprises the following steps: dispersing the black phosphorus nanosheets in an organic solvent, then adding a phenol-based coupling agent thereto, stirring and reacting at 70° C. for 4 hours, and then rotating to remove the solvent , to obtain modified black phosphorus nanosheets; the mass ratio of the black phosphorus nanosheets, organic solvent, an...

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Abstract

The invention discloses a diesel engine lubricating oil composition which is characterized by being prepared from the following components in parts by weight: 0.1-0.3 part of nicotinamide adenine dinucleotide, 0.1-0.3 part of 4-[4-(oxirane-2-yl methoxy) phenyl]-1, 2, 4-triazole-3-yl]-1, 2, 4-triazole-3-yl]-1, 2, 4-triazole-3-yl]-1, 2, 4- The lubricating oil is prepared from the following components in parts by weight: 0.05 to 5 parts of 1, 2, 3-thiadiazole modified tri (4-aminophenyl) phosphorothioate, 0.1 to 0.3 part of modified black phosphorus nanosheet, 80 to 90 parts of base oil, 0.1 to 0.2 part of tea polyphenol and 0.5 to 1.5 parts of viscosity improver. The invention also discloses a preparation method of the diesel engine lubricating oil composition. The diesel engine lubricating oil composition disclosed by the invention is high in oxidation resistance, wear resistance and high-temperature sediment generation inhibition capability, excellent in anti-rust performance, lubricating effect and performance stability and long in service life.

Description

technical field [0001] The invention relates to the technical field of lubricating oil, in particular to a diesel engine lubricating oil composition and a preparation method thereof. Background technique [0002] The diesel engine uses compression ignition as the ignition method of the mixed gas, with high compression ratio, high torque and good economic performance. Diesel engines have low fuel consumption and carbon dioxide emissions are far lower than gasoline engine oil, which can reduce greenhouse gas emissions. On the other hand, since the compression ratio of the diesel engine is much higher than that of the gasoline engine, the thermal efficiency is high, and the thermal load is large, the requirements for the thermal stability and oxidation stability of the lubricating oil are more stringent. Aspect performance also puts forward higher requirements. [0003] Existing lubricating oils for diesel engines contain unsaturated olefins, aromatics and sulfur-containing c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/04C10N30/06C10N30/08C10N30/10C10N30/12C10N40/25
CPCC10M169/048C10M169/045C10M2223/047C10M2201/04C10M2209/084C10M2205/026C10M2209/04C10M2207/04C10M2205/0206C10M2223/04C10M2201/14C10N2040/252C10N2030/12C10N2030/10C10N2030/06C10N2030/08C10N2030/04
Inventor 王界
Owner 王界
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