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Oil special for ethanol gasoline engine and preparation method thereof

A technology of ethanol gasoline and engine, which is applied in the field of lubricating oil. It can solve the problems of strong corrosion, carbon deposit and coking in the engine, and achieve the effects of excellent acid neutralization ability, reduced carbon deposit and good oil film retention ability.

Inactive Publication Date: 2019-04-19
天津箭牌石油化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention aims to propose a special oil for ethanol gasoline engines to solve the problems of strong corrosiveness to the engine, serious carbon deposits and coking phenomena during the use of ethanol gasoline for vehicles

Method used

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  • Oil special for ethanol gasoline engine and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A preparation method of special oil for ethanol gasoline engine, comprising the steps of:

[0025] (1) Weigh 100N 727kg of Class III hydrorefined base oil, 150kg of polyalphaolefin synthetic base oil PAO150 and 60kg of pentaerythritol ester into a blending kettle with stirring function, heat to 55°C and stir evenly;

[0026] (2) Keep stirring, weigh 15kg of α-naphthylamine, 20kg of ethyl borate, 10kg of barium stearate, 10kg of calcium alkyl salicylate, 5kg of benzotriazole, 3kg of polymethyl methacrylate and formaldehyde Slowly add 0.2kg of base silicone oil into the blending kettle, raise the temperature to 65°C, continue stirring at constant temperature for 0.5h, and obtain the ethanol gasoline engine special oil after sampling and testing pass.

Embodiment 2

[0028] A preparation method of special oil for ethanol gasoline engine, comprising the steps of:

[0029] (1) Weigh 804kg of Class III hydrotreated base oil 100N, polyalphaolefin synthetic base oil PAO150 100kg, and pentaerythritol ester 100kg into a blending kettle with stirring function, heat to 56°C and stir evenly;

[0030] (2) Keep stirring, weigh 15kg of diphenylamine sulfide, 30kg of ethyl borate, 10kg of zinc stearate, 10kg of calcium alkyl salicylate, 2kg of benzotriazole, 4kg of polymethyl methacrylate and methyl Slowly add 0.3kg of silicone oil into the blending kettle, raise the temperature to 66°C, continue to stir at a constant temperature for 0.5h, and obtain the special ethanol gasoline engine oil after sampling and testing pass.

Embodiment 3

[0032] A preparation method of special oil for ethanol gasoline engine, comprising the steps of:

[0033] (1) Weigh 550kg of Class III hydrotreated base oil 100N, 250kg of polyalphaolefin synthetic base oil PAO150 and 50kg of trimethylolpropane ester into a blending kettle with stirring function, heat to 52°C and stir evenly ;

[0034] (2) Keep stirring, weigh N,N'-di-sec-butyl-p-phenylenediamine 30kg, triisopropyl borate 40kg, barium stearate 18kg, alkyl magnesium salicylate 10kg, dialkyl disulfide Add 0.9kg of zinc phosphate, 5kg of polymethyl methacrylate and 0.5kg of methyl silicone oil into the blending kettle slowly, raise the temperature to 67°C, continue stirring at constant temperature for 0.8h, and obtain the ethanol gasoline engine special oil after sampling and testing pass .

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Abstract

The invention provides oil special for an ethanol gasoline engine and a preparation method thereof. The oil is prepared from, by weight, 55-80.4 parts of hydrorefining base oil, 10-25 parts of poly-alpha olefin synthesis base oil, 5-10 parts of polyol ester base oil, 1.5-5 parts of a high temperature antioxidant, 2-5 parts of a friction improver, 1-2 parts of a dispersing agent, 1-2 parts of a cleaning agent, 0.05-0.5 part of a corrosion inhibitor, 0.3-0.5 part of a pour point reducer and 0.02-0.09 part of a defoamer. The oil special for the ethanol gasoline engine has the unique formula, thesynergistic effects of additives are effectively brought into play, and the base oil has the good corrosion resistance, rust resistance, excellent acid neutralizing power, good cleaning dispersibilityand excellent anti-wear anti-friction performance and can prolong the oil changing period and the service life of the engine.

Description

technical field [0001] The invention belongs to the technical field of lubricating oil, and in particular relates to a special ethanol gasoline engine oil and a preparation method thereof. Background technique [0002] With the shortage of oil resources and increasingly serious environmental pollution problems, the development of new engine fuels has become an important development direction, and many countries have produced and used fuel ethanol on a large scale. In April 2001, my country promulgated two national standards for denatured fuel ethanol and ethanol gasoline for vehicles. It is of great practical significance to promote the use of ethanol gasoline for vehicles. [0003] The use of ethanol gasoline as fuel for the engine has the following advantages: ethanol can be produced by microbial fermentation using crops as raw materials; ethanol has a wide ignition limit, fast burning speed, and ethanol gasoline has high oxygen content, sufficient combustion, and can redu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10M169/04C10N30/04C10N30/12C10N40/25
CPCC10M169/044C10N2030/04C10N2030/12C10N2040/251C10N2040/255
Inventor 李华杜彬
Owner 天津箭牌石油化工有限公司
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