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Lubricating oil composition for engine employing methanol or methanol gasoline as fuel

A technology of lubricating oil composition and methanol gasoline, which is applied in the field of lubricating oil, can solve the problems of lubricating oil such as large temperature rise, high latent heat of evaporation, and difficulty in volatilization, so as to inhibit corrosion and wear, improve mechanical properties, and excellent anti-wear performance effect

Active Publication Date: 2014-01-15
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Second, the temperature rise of lubricating oil using methanol fuel is relatively large
[0007] Third, the latent heat of vaporization of methanol is higher than that of ordinary gasoline, so it is more difficult to volatilize, and it is easier to penetrate into lubricating oil
[0014] However, the existing technology needs to be further improved and optimized in terms of anti-friction and wear properties, base number retention and mechanical properties of lubricating oils.

Method used

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  • Lubricating oil composition for engine employing methanol or methanol gasoline as fuel
  • Lubricating oil composition for engine employing methanol or methanol gasoline as fuel
  • Lubricating oil composition for engine employing methanol or methanol gasoline as fuel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] The preparation method of the present invention is that the raw materials of the above components are sequentially added into a container with heating and stirring, fully stirred at 80±5°C for 4 hours, until the composition is evenly mixed, and the engine lubrication of M100 methanol gasoline can be obtained. Lubricating oil additive composition required.

[0033] Example 2

[0034] Taking the production of product 100Kg of the present invention as example used raw material and mass ratio thereof are:

Embodiment 2

[0036] The preparation method of the present invention is identical with embodiment 1.

[0037] In order to verify the effect of the present invention, the inventor carried out a bench test using the engine lubricating oil prepared in Example 1 of the present invention, and at the same time compared the lubricating oil with ordinary SJ 15W-40 gasoline engine oil and SJ 20W-50 gasoline engine oil Engine oil driving comparison test, the test results are as follows:

[0038] 1. Simulation comparison test between lubricating oil composition of the present invention and SJ15W-40 gasoline engine oil

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PUM

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Abstract

The invention discloses a lubricating oil composition for an engine. The lubricating oil composition can be used for lubricating the engine employing methanol or methanol gasoline as a fuel. A prepared lubricating oil composition product can be used for better solving the problems of corrosion and abrasion of the engine employing the methanol gasoline, and has high acid neutralization performance, alkaline holding performance, abrasion resistance, detergency, dispersibility and oxidation resistance, the lubrication requirements of the engine employing the methanol gasoline can be met, and the lubrication requirements of the engine employing the methanol gasoline (M5 to M100) with any proportion can be met. The lubricating oil composition comprises at least one metal detergent, an ashless dispersant, an anti-oxidative, anticorrosive and anti-wear agent, a viscosity index improver, a pour point depressant, an antirusting agent, an anti-foaming agent and base oil.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil, in particular to an engine lubricating oil composition using methanol or methanol gasoline as fuel. Background technique [0002] In order to alleviate the shortage of petroleum fuels and improve serious environmental pollution problems, broaden the adaptability of engines to various fuels, change the fuel structure, and develop coal-based methanol flexible fuels to reduce the impact on petroleum in view of the characteristics of my country's energy structure rich in coal and low in oil. Reliance is an important part of my country's vehicle energy diversification strategy. In Shanxi, Shandong, Yunnan, Sichuan and other places, my country has carried out experimental research on the substitution of methanol fuel for gasoline and achieved good economic and environmental benefits. [0003] The Ministry of Science and Technology has taken methanol flexible fuel as the content of the national ...

Claims

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Application Information

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IPC IPC(8): C10M161/00C10N40/25C10N30/10C10N30/06C10N30/12
Inventor 汪利平李桂云李静徐进宝刘栋
Owner PETROCHINA CO LTD
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