Preparation method of graphene lubricating oil for vehicles

A graphene and lubricating oil technology, applied in the petroleum industry, lubricating compositions, additives, etc., can solve problems such as difficulty in starting, poor lubricating oil fluidity, poor low temperature fluidity, etc. The effect of flow properties

Inactive Publication Date: 2020-09-04
青岛鑫乐驰润滑油有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The main function of the lubricating oil for vehicles is to reduce the mechanical friction between the parts of the car body, reduce loss, absorb the heat generated by friction, and have the effect of cooling and cooling. The lubricating oil can also form a protective oil film on the surface of the car body parts to prevent air And the erosion of various moisture to prevent oxidation and rust. However, many existing vehicle lubricating oils have poor low-temperature fluidity in cold winters, and poor low-temperature fluidity of lubricating oils will cause difficulty in starting mechanic

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  • Preparation method of graphene lubricating oil for vehicles
  • Preparation method of graphene lubricating oil for vehicles
  • Preparation method of graphene lubricating oil for vehicles

Examples

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Example Embodiment

[0020] Example 1:

[0021] A method for preparing graphene lubricating oil for vehicles consists of the following preparation steps:

[0022] (1) Modification of graphene: First, prepare an acidic mixture according to the following volume parts, mix 4 parts of sorbitan fatty acid ester, 5 parts of methacrylic acid and 10 parts of boric acid, and stir and mix at 50°C for 40 minutes to obtain The acidic mixture is then cooled to room temperature, and then added to 5 times its weight in absolute ethanol, stirred evenly, graphene, calcium linoleate, and methyl linolenate are added to the above mixture, and the temperature is increased to 75°C, heat preservation and stirring for 2.5 hours, stir evenly, rotary steam, remove ethanol to obtain sample solution, then use high-purity deionized water to wash the sample solution, filter, and dry to obtain modified graphene;

[0023] (2) Preparation of nano lubricating oil: use 150N base oil with no additives as the base oil liquid, and add nano ...

Example Embodiment

[0031] Example 2:

[0032] A method for preparing graphene lubricating oil for vehicles consists of the following preparation steps:

[0033] (1) Modification of graphene: First, prepare an acidic mixture according to the following volume parts, mix 5 parts of sorbitan fatty acid ester, 7 parts of methacrylic acid and 12 parts of boric acid, stir and mix at 56°C for 35 minutes to obtain The acidic mixture is then cooled to room temperature, and then added to 5.5 times its weight in absolute ethanol, stirred evenly, graphene, calcium linoleate, and methyl linoleate are added to the above mixture, and the temperature is increased to 78°C, heat preservation and stirring for 2.5 hours, stir evenly, rotary steam, remove ethanol to obtain sample solution, then use high-purity deionized water to wash, filter, and dry the sample solution to obtain modified graphene;

[0034] (2) Preparation of nano lubricating oil: use 150N base oil with no additives as the base oil liquid, and add nano SiO...

Example Embodiment

[0042] Example 3:

[0043] A method for preparing graphene lubricating oil for vehicles consists of the following preparation steps:

[0044] (1) Modification of graphene: First, prepare an acidic mixture according to the following volume parts, mix 6 parts of sorbitan fatty acid ester, 8 parts of methacrylic acid and 15 parts of boric acid, stir and mix for 30 minutes at 60°C to obtain The acidic mixture is then cooled to room temperature, and then added to 6 times its weight in anhydrous ethanol, stirred evenly, graphene, calcium linoleate, and methyl linoleate are added to the above mixture, and the temperature is increased to 80°C, heat preservation and stirring for 2.5 hours, stir evenly, rotary steam, remove ethanol to obtain sample solution, then use high-purity deionized water to wash the sample solution, filter, and dry to obtain modified graphene;

[0045] (2) Preparation of nano lubricating oil: use 150N base oil with no additives as the base oil liquid, and add nano SiO ...

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Abstract

The invention discloses a preparation method of graphene lubricating oil for vehicles. The preparation method comprises the following steps: modification of graphene, preparation of nano lubricating oil, preparation of a stable suspension, preparation of graphene nano lubricating oil, and preparation of the required graphene lubricating oil for the vehicles. The prepared graphene lubricating oil for the vehicles does not have any layering or sinking phenomenon after a standing experiment for 60 days at the temperature of -20 DEG C; in addition, the graphene and the nano SiO2 particles cannot be settled; the prepared lubricating oil for the vehicles is proved to have good suspension stability, the lubricating performance of the lubricating oil is improved through graphene of modified graphene, meanwhile, good low-temperature flowing performance can be kept at a low temperature, and the lubricating performance of traditional lubricating oil for vehicles is improved.

Description

technical field [0001] The invention belongs to the technical field of graphene lubricating oil, in particular to a preparation method of graphene lubricating oil for vehicles. Background technique [0002] Lubricating oil is divided into two categories: industrial lubricating oil and automotive lubricating oil. Among them, automotive lubricating oil includes engine oil, water tank and cooling system oil, automatic gearbox oil, gear oil, brake and clutch system oil, etc. Lubricating oil It is generally composed of base oil and additives. For engine oil, the base oil usually accounts for about 90%, and the remaining additives account for 10%. The quality of the base oil is crucial to the performance of the lubricating oil, which provides the most basic Lubricating, cooling, anti-oxidation, anti-corrosion and other properties, so in order to improve the remaining properties of the lubricating oil, additives that can improve its overall performance are added to the lubricating ...

Claims

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Application Information

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IPC IPC(8): C10M125/02C10M161/00C10M177/00C10N30/04C10N30/06C10N30/08C10N40/08C10N40/25
CPCC10M125/02C10M161/00C10M177/00C10M2201/041C10M2201/105C10M2201/14C10M2207/283C10M2209/12
Inventor 孙震
Owner 青岛鑫乐驰润滑油有限公司
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