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Vehicle engine oil additive and engine oil

A technology for the preparation of additives and additives, applied in the directions of additives, petroleum industry, lubricating compositions, etc., can solve the problems of poor dispersion stability, unable to meet the requirements of long-term use of the engine, block the oil circuit, etc., and achieve high surface activity, excellent dispersion stability, etc. performance, excellent lubricating properties

Inactive Publication Date: 2010-04-07
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

[0022] 1) The preparation of the steam engine oil lubricating additive of the present invention

[0023] Nano WS 2 20% powder, 20% polyisobutylene succinimide, base oil (40°C kinematic viscosity: 88.75mm 2 / s, 100℃ kinematic viscosity: 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 .

[0024] 2) preparation of steam engine oil of the present invention

[0025] Add 10% of the prepared additive to 90% of the engine oil (40°C kinematic viscosity: 89.52mm 2 / s, 100℃ kinematic viscosity: 14.2mm 2 / s), mixed and stirred for 20-30 minutes, and ultrasonically treated for 30 minutes, the finished product engine oil of the present invention was obtained.

[0026] 3) Add the prepared finished engine oil into the crankcase of the engine, and then normal driving can be carried out.

[0027] The engine oil prepared by the present invention h...

Embodiment 2

[0031] 1) The preparation of the steam engine oil lubricating additive of the present invention

[0032] Nano WS 2 Powder 15%, Nano MoS 2 5% powder, 20% polyisobutylene succinimide, base oil (40°C kinematic viscosity: 88.75mm 2 / s, 100℃ kinematic viscosity: 13.9mm 2 / s) 59.5%, metal deactivator (benzotriazole derivatives) 0.5%, mixed and stirred for 15-20 minutes, and ultrasonically treated for 30 minutes.

[0033] 2) preparation of steam engine oil of the present invention

[0034] Add 10% of the prepared additive to 90% of the engine oil (40°C kinematic viscosity: 89.52mm 2 / s, 100℃ kinematic viscosity: 14.2mm 2 / s), mixing and stirring for 20-30 minutes, ultrasonic treatment for 30 minutes, that is, a finished engine oil.

[0035] 3) Add the prepared finished engine oil into the crankcase of the engine, and then normal driving can be carried out.

[0036] The gasoline engine oil prepared by the present invention is used in a driving test on a Buick Excelle car (displ...

Embodiment 3

[0040] 1) Diesel engine oil additive preparation of the present invention

[0041] Nano WS 2 Powder 10%, Nano MoS 2 10% powder, 20% polyisobutylene succinimide, base oil (40°C kinematic viscosity: 165.15mm 2 / s, 100℃ kinematic viscosity: 17.1mm 2 / s) 59.5%, metal deactivator (benzotriazole derivatives) 0.5%, mixed and stirred for 15-20 minutes, and ultrasonically treated for 30 minutes.

[0042] 2) Diesel engine oil preparation of the present invention

[0043] Add 20% of the prepared additive to 80% diesel engine oil (40°C kinematic viscosity: 170.02mm 2 / s, 100℃ kinematic viscosity: 18.8mm 2 / s), mix and stir for 20-30 minutes, and ultrasonically treat for 30 minutes to become a finished diesel engine oil.

[0044] 3) Add the prepared finished diesel engine oil into the crankcase of the engine, and then normal driving can be carried out.

[0045] Diesel engine oil prepared by the present invention is tried out on No. 04 car (Xiang A 09495) of No. 142 bus fleet in Chan...

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