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Gasoline engine oil composition

A gasoline engine oil and composition technology, applied in lubricating compositions, petroleum industry, etc., can solve problems such as environmental hazards, difficulty in long-term stability, difficulty in uniform dispersion of nanoparticles, etc., to reduce friction, improve gasoline mileage and durability , to ensure the effect of extreme performance

Active Publication Date: 2016-02-03
邵宏良 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it is difficult for nanoparticles to disperse uniformly and exist stably for a long time in the engine oil system. In the prior art, sulfur and phosphorus organic compounds are used to modify nanoparticles. Although the dispersion can be improved, too much S and P will affect the environment. cause harm

Method used

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  • Gasoline engine oil composition
  • Gasoline engine oil composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0067] In Preparation Examples and Comparative Examples, the following component materials were prepared.

[0068] A base oil :

[0069] A0 natural oil: has a kinematic viscosity of 25.26mm at 100°C 2 repurified animal oil

[0070] A1 synthetic oil: having a kinematic viscosity of 4.25mm at 100°C 2 A low viscosity polyalphaolefin and has a kinematic viscosity of 43.50mm at 100°C 2 A mixture of high-viscosity poly-α-olefins, the mass ratio of the two is 3:1

[0071] A2 synthetic oil: having a kinematic viscosity of 5.5mm at 100°C 2 A low viscosity polyalphaolefin and has a kinematic viscosity of 40.68mm at 100°C 2 A mixture of high-viscosity poly-α-olefins, the mass ratio of the two is 3:1

[0072] A3 synthetic oil: has a kinematic viscosity of 5.84mm at 100°C 2 A low viscosity polyalphaolefin and has a kinematic viscosity of 42.68mm at 100°C 2 A mixture of high-viscosity poly-α-olefins, the mass ratio of the two is 1:1

[0073] B ester compound :

[0074] B0 Fatt...

Embodiment

[0099]

[0100] From the above data, it can be seen that the diameter of wear spots produced by the gasoline engine oil composition of the present invention provides the beneficial technical effect of the present invention.

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Abstract

The invention provides a gasoline engine oil composition. The gasoline engine oil composition has the SAE viscosity grade of 0W-40 and is prepared from, by weight, 5.0% to 20.0% of ester compounds, 0.1% to 5.0% of diphenylamine derivatives, 0.01% to 2.0% of modified nanometer cerium vanadium acid, 1.0% to 8.0% of petroleum calcium sulfonate, 0.001% to 1.0% of common gasoline engine oil additives and the balance base oil. The API quality of the gasoline engine oil composition reaches the SN grade, abrasion resistance is good, friction between engine parts can be effectively reduced, the mileage of gasoline can be increased, the durability of gasoline can be improved, and it is guaranteed that the acme performance of an engine is achieved.

Description

technical field [0001] The invention relates to a gasoline engine oil composition, in particular to a multi-grade engine oil for gasoline engines. Specifically, the International Patent Classification number C10M is involved. Background technique [0002] In the heat generated by fuel combustion in gasoline engines, about 20-30% of the energy is wasted in the form of friction, and the part with the largest friction loss is between the contact surface of the piston cylinder liner / piston ring. The use of engine oil can effectively Reduce friction loss. With the continuous development of the gasoline engine manufacturing process, the engine parts with increasing precision have higher and higher requirements for engine oil. Nanoparticles are often added into engine oil as a friction modifier / extrusion anti-wear agent. They will form an easy-to-shear lubricating film on the surface of the friction pair, and at the same time fill and repair the worn metal surface, effectively ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/02C10N30/06
Inventor 邵宏良
Owner 邵宏良
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