Universal type synthetic gasoline-diesel lubrication oil and preparation method thereof

Abstract

The invention belongs to the technical field of development and manufacture of petrochemical products and in particular relates to universal type synthetic gasoline-diesel lubrication oil and a preparation method thereof. The lubrication oil comprises the following raw materials in parts by weight: 0.01-30 parts of synthetic ester base oil, 0.01-90 parts of mineral oil, 0.01-90 parts of olefin synthesis oil PAO, 5.0-10.0 parts of a viscosity modifier, 3-10.0 parts of a clearing agent, 1.0-5.0 parts of a dispersing agent, 0.5-3.0 parts of an oxidation and corrosion inhibitor, 1.0-3.0 parts of a pour point depressant, 0.5-3.0 parts of FK303 and 0.0001-0.01 part of a defoaming agent. The preparation method of the lubrication oil comprises the following steps: step one, adding synthetic ester base oil, the mineral oil and the olefin synthesis oil PAO in a mixing kettle, and stirring at 80-90 DEG C for 1 hour; step two, adding the viscosity modifier into the mixing kettle in the step one, and continuing to stir at 80-90 DEG C for 3 hours; adding the clearing agent, the dispersing agent, the oxidation and corrosion inhibitor, the pour point depressant, FK303 and the defoaming agent into the mixing kettle and continuing to stir at 80-90 DEG C for 1-2 hours to obtain the lubrication oil. The universal type synthetic gasoline-diesel lubrication oil is mainly used in the application field of motor vehicle lubricating oil.

Description

technical field [0001] The invention belongs to the technical field of R&D and manufacture of petrochemical products, and in particular relates to a general-purpose synthetic gasoline and diesel lubricating oil and a preparation method thereof. Background technique [0002] With the rapid development of modern industry, all kinds of automobiles and heavy-duty trucks have increasingly become indispensable means of transportation and transportation for people's life and industry, and are essential products to ensure their normal operation. And since entering the 21st century, the implementation of worldwide projects to protect the human ecological environment and the strengthening of people's environmental awareness, and due to the reduction in volume of modern machinery and equipment, the increase in load, the improvement in precision, and the extension of service life, lubricating oil is required Less dosage, high and low temperature resistance, heavy load resistance and lon...

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Problems solved by technology

[0004] There are relatively few general-purpose gasoline and diesel lubricating oils in my country, and there are relatively many lubricating oils mainly for a single type of engine oil, and the gasoline engine oil or diesel engine oil mentioned in the patent mainly uses mineral oil as the base oil, and the obtained lubricating oil has a low viscosity index. It is greatly limited by the ambient temperature, and the freezing point and pour point are high. When used in cold northern regions in winter, the lubricating oil often freezes, which affects the use effect