Two-film lubricating oil

A technology of lubricating oil and characteristics, applied in lubricating compositions, petroleum industry, additives, etc., can solve the problems of increased engine carbon volume, low stability and shear strength, corrosion and damage of engine parts, etc., and achieve good fuel economy effect, excellent anti-wear and anti-friction performance, and the effect of prolonging the life of the engine

Active Publication Date: 2011-05-04
BEIJING ALLUBE PETROCHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is found in the process of use that chemical film formation has a certain corrosion effect on metals, and the stability and shear strength of the film are low. The effect is obvious in the short term, but long-term use often increases the carbon deposition in the engine block and even corrodes the engine parts. damaged

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] The double-film lubricating oil described in Example 1 of the present invention is made from the raw materials of the following qualities: 0.6 kg of aminothio fat and amino thio fat compound, 0.5 kg of molybdenum dialkylthiophosphate; 1.5kg of zinc dialkylthiocarbamate, 0.5kg of alkylated diphenylamine, 0.3kg of thiadiazole derivatives, and 0.3kg of phenolic auxiliary antioxidants were selected as the oxidizing agent; 1.0kg of high base value alkyl calcium salicylate, 0.5kg of sulfurized alkyl phenate calcium; 2.0kg of borated dienyl succinimide as dispersant; ethylene-propylene copolymer (OPC) and polyvinyl chloride as viscosity indicator 7kg of viscosity index improver compounded with methacrylate (PMA); 0.5kg of polyα-olefin was used as pour point depressant; 0.007kg of methyl silicone oil compounded antifoam agent was used as antifoaming agent, and the balance was base oil.

[0019] During production, weigh the material according to the weight of each component, add...

Embodiment 2

[0026] The double-film lubricating oil described in Example 2 of the present invention is made from the following raw materials: 0.8kg of aminothiofat and aminothiofat compound, 0.7kg of molybdenum dialkylthiophosphate for use as characteristic additives; 2.0kg of zinc dialkylthiocarbamate, 0.5kg of alkylated diphenylamine, 0.4kg of thiadiazole derivatives, 0.5kg of phenolic auxiliary antioxidant were selected as oxidant; High base value alkyl salicylate calcium 1.4kg, sulfurized alkyl phenate calcium 0.6kg; dispersant selected from borated dienyl succinimide 2.0kg; viscosity indicator selected from ethylene-propylene copolymer (OPC) and poly Methacrylate (PMA) composite viscosity index improver 9kg; pour point depressant selected styrene fumarate copolymer 0.5kg; antifoam agent selected methyl silicone oil composite antifoam agent 0.007kg, the balance is base oil.

[0027] During production, weigh the material according to the weight of each component, add the base oil into t...

Embodiment 3

[0037] The double-film lubricating oil described in Example 3 of the present invention is made from the raw materials of the following qualities: 0.6kg of aminothiofat and aminothiofat compound, 0.6kg of dialkyl molybdenum thiophosphate; 2.0kg of zinc dialkylthiocarbamate, 0.5kg of alkylated diphenylamine, 0.4kg of thiadiazole derivatives, and 0.4kg of phenolic auxiliary antioxidants were selected as oxidizing agents; Medium alkali value calcium alkyl salicylate 1.0kg, sulfurized alkyl phenate calcium 0.6kg; dispersant selected from borated dienyl succinimide 2.0kg; viscosity indicator selected from ethylene-propylene copolymer (OPC) and poly 7kg of viscosity index improver compounded with methacrylate (PMA); 0.5kg of polyalphaolefin as pour point depressant; 0.007kg of methyl silicone oil compounded antifoam agent as antifoaming agent, and base oil as the balance.

[0038] During production, weigh the material according to the weight of each component, add the base oil into the...

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Abstract

The invention relates to two-film lubricating oil, which is prepared from the following raw materials in percentage by mass: 0.8 to 2.5 percent of characteristic additive, 1.7 to 3.8 percent of antioxidant, 1.6 to 4.8 percent of detergent, 1.0 to 3.4 percent of dispersing agent, 1.0 to 9.0 percent of viscosity index improver, 0.3 to 0.8 percent of pour point depressant, 0.006 to 0.01 percent of antifoaming agent and the balance of base oil. The invention has the advantages that: the two-film lubricating oil is anticorrosive and antirust, effectively removes carbon deposit and even removes the original rust stain of an engine, has longer service life and lower cost, is environmentally-friendly, and has high antiwear and antifriction performance and a good fuel saving effect, wherein the fuel saving ratio of an automobile per 100 kilometers is 6 to 10 percent, the fuel saving ratio of a large truck per 100 kilometers is 6 to 9 percent, and the fuel saving ratio of a small sedan per 100 kilometers is 8 to 10 percent.

Description

technical field [0001] The invention relates to the field of chemical industry, in particular to a double-film lubricating oil. Background technique [0002] Lubricating oil is widely used in the national economy, and some people compare lubricating oil to the blood that maintains the normal operation of the machine. In machinery, power engineering and other industries, the use of high-quality lubricating oil is an important measure to ensure the normal, efficient, energy-saving and safe operation of the machine. With the development of production and technological progress, higher and higher requirements are put forward for the anti-wear, anti-friction and extreme pressure performance of lubricating oil. Therefore, a large amount of anti-wear and extreme pressure additives must be added to lubricating oil. [0003] Traditional anti-wear and anti-friction additives are mainly oil-soluble organic compounds and non-oil-soluble solid lubricant additives. Among them, oil-solub...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M161/00C10N40/25C10N30/12C10N30/04C10N30/06C10N30/10
Inventor 陈利秋
Owner BEIJING ALLUBE PETROCHEM
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