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Vehicle engine oil additive and engine oil

A technology of motor oil and additives for vehicles, which is applied in the direction of additives, petroleum industry, lubricating compositions, etc. It can solve the problems of poor dispersion stability, failure to meet the requirements of long-term use of the engine, and blockage of oil passages to achieve high surface activity and excellent dispersion. The effect of stability and excellent lubricating properties

Inactive Publication Date: 2012-12-19
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The technology provided by this patent, due to the addition of micron-scale MoS 2 and graphite powder, therefore, the dispersion stability of the powder in lubricating oil is poor, and it is easy to produce sediment and block the oil circuit, which cannot meet the requirements of long-term use in the engine

Method used

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  • Vehicle engine oil additive and engine oil
  • Vehicle engine oil additive and engine oil
  • Vehicle engine oil additive and engine oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] 1) Preparation of lubricating additive for steam engine oil of the present invention

[0024] Will Nano WS 2 Powder 20%, polyisobutylene succinimide 20%, base oil (40℃ kinematic viscosity: 88.75mm 2 / s, kinematic viscosity at 100°C: 13.9mm 2 / s) 69%, antioxidant (2,4,6 tri-tert-butyl p-cresol) 0.5%, metal deactivator (benzotriazole derivative) 1%, mixing and stirring for 15-20 minutes, ultrasonic treatment for 30 minutes .

[0025] 2) Preparation of steam engine oil of the present invention

[0026] Add 10% of the prepared additives to 90% of steam engine oil (40℃ kinematic viscosity: 89.52mm 2 / s, kinematic viscosity at 100°C: 14.2mm 2 / s), mixing and stirring for 20-30 minutes, ultrasonic treatment for 30 minutes, it becomes the finished steam engine oil of the present invention.

[0027] 3) Add the prepared product steam engine oil to the crankcase of the engine, and then normal driving can be carried out.

[0028] The gasoline engine oil prepared by the invention was tested ...

Embodiment 2

[0032] 1) Preparation of lubricating additive for steam engine oil of the present invention

[0033] Will Nano WS 2 15% powder, nano MoS 2 Powder 5%, polyisobutylene succinimide 20%, base oil (40℃ kinematic viscosity: 88.75mm 2 / s, kinematic viscosity at 100°C: 13.9mm 2 / s) 59.5%, 0.5% of metal deactivator (benzotriazole derivative), mixing and stirring for 15-20 minutes, ultrasonic treatment for 30 minutes.

[0034] 2) Preparation of steam engine oil of the present invention

[0035] Add 10% of the prepared additives to 90% of steam engine oil (40℃ kinematic viscosity: 89.52mm 2 / s, kinematic viscosity at 100°C: 14.2mm 2 / s), mixing and stirring for 20-30 minutes, ultrasonic treatment for 30 minutes, it becomes the finished steam engine oil.

[0036] 3) Add the prepared product steam engine oil to the crankcase of the engine, and then normal driving can be carried out.

[0037] The gasoline engine oil prepared by the invention was tested on a Buick Excelle car (with a displacement of 1...

Embodiment 3

[0041] 1) Preparation of diesel engine oil additive of the present invention

[0042] Will Nano WS 2 10% powder, nano MoS 2 Powder 10%, polyisobutylene succinimide 20%, base oil (40℃ kinematic viscosity: 165.15mm 2 / s, kinematic viscosity at 100°C: 17.1mm 2 / s) 59.5%, 0.5% of metal deactivator (benzotriazole derivative), mixing and stirring for 15-20 minutes, ultrasonic treatment for 30 minutes.

[0043] 2) Preparation of diesel engine oil of the present invention

[0044] Add 20% of the prepared additives to 80% diesel oil (kinematic viscosity at 40°C: 170.02mm 2 / s, kinematic viscosity at 100°C: 18.8mm 2 / s), mixing and stirring for 20-30 minutes, ultrasonic treatment for 30 minutes, it becomes the finished diesel engine oil.

[0045] 3) Add the prepared diesel engine oil to the crankcase of the engine, then normal driving can be carried out.

[0046] The diesel engine oil prepared by the present invention was tried on the No. 04 bus (Xiang A 09495) of the No. 142 bus fleet in Changsh...

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Abstract

The invention provides a vehicle engine oil additive and engine oil. The additive comprises the following components: 15 to 34 weight percent of nano WS2 powder, 0 to 24 weight percent of nano MoS2 powder, 20 to 20.5 weight percent of dispersant, 0 to 0.5 weight percent of antioxidant, 0 to 1 weight percent of metal passivant and the balance of base oil, wherein the kinematic viscosity of the base oil at 40 DEG C is 70 to 190mm2 / s, and the kinematic viscosity of the base oil at 100 DEG C is 12 to 20mm2 / s. The engine oil of the invention comprises 5 to 20 weight percent of additive and 80 to 95 weight percent of petrolic oil or comprises 15 to 25 weight percent of additive and 75 to 85 weight percent of diesel engine oil. The engine oil can improve the service life of engine, reduce oil consumption and has obvious energy-saving and emission-reducing effects and other effects.

Description

technical field [0001] The invention belongs to the field of fine chemicals, and in particular relates to an energy-saving and environment-friendly vehicle engine oil additive and engine oil. Background technique [0002] At present, the number of motor vehicles in my country has reached 169,887,744, including: 64,672,053 automobiles, 89,537,775 motorcycles, 1,014,380 trailers, and 14,642,694 tractors on the road. The annual consumption of gasoline and diesel is huge, energy problems are prominent, and environmental protection tasks are arduous. If a kind of energy-saving and emission-reducing vehicle engine oil and additives thereof can be developed for the above-mentioned situation, it will have a very important impact on the development of my country's national economy, energy-saving and emission-reduction. [0003] The development of nanotechnology and nanomaterials provides hope and possibility for solving high temperature, high pressure and high wear-resistant magic lu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M161/00C10M149/02C10M125/22C10N30/10C10N30/06C10N30/04C10N40/25
Inventor 毛大恒石琛毛向辉李登伶
Owner CENT SOUTH UNIV
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