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A kind of egb air-cooled two-stroke gasoline engine oil composition and preparation method thereof

A gasoline engine oil and two-stroke technology, applied in the field of lubricating oil, can solve problems such as shortening the service life of spark plugs, reducing engine power, and straining the air intake surface, achieving low mixing performance, reducing friction, and convenient preparation.

Active Publication Date: 2020-07-31
广东南油石化有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 3. Low ash content, high ash content will easily cause spark plug pollution, lead to early ignition, reduce engine power, and shorten the service life of spark plugs;
[0010] The two-stroke lubricating oil compositions disclosed in the above two patents all have the technical problem that after use, the surface of the piston is dry and there are scratches on the surface of the air inlet.

Method used

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  • A kind of egb air-cooled two-stroke gasoline engine oil composition and preparation method thereof
  • A kind of egb air-cooled two-stroke gasoline engine oil composition and preparation method thereof
  • A kind of egb air-cooled two-stroke gasoline engine oil composition and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Prepare a kind of EGB air-cooled two-stroke gasoline engine oil composition, formula is as follows: the base oil of 35.9 parts-I type base oil 150N, the base oil B of 38.0 parts-I type base oil 650N, the base oil C of 10.0 parts-bright oil 130BS, 0.7 parts of detergent-calcium sulfonate with low alkali value of 20-30 mgKOH / g total base value, 3.0 parts of dispersant-disuccinimide of 15-30 mgKOH / g total base value, 0.3 parts friction modifier—a boron nitrogen compound with a boron content of 1.4% and an acid value less than or equal to 10mgKOH / g, 0.1 parts of a pour point depressant—Viscoplex 1-156 and 12.0 parts of a diluent—aviation kerosene;

[0040] The preparation method is as follows: Add base oil A, base oil B, and base oil C in sequence, stir well at 75°C for 0.5-1 hour and mix evenly, then add detergent, dispersant, friction modifier, and pour point depressant in proportion Continue to stir for 3 hours to make it completely dissolved, then cool down to 45°C and ...

Embodiment 2

[0042]A kind of EGB air-cooled two-stroke gasoline engine oil composition is prepared, and the formula is as follows: 35 parts of base oil A—Class I base oil 150N, 38 parts of base oil B—Class I base oil 650N, 12 parts of base oil C—bright Oil 120BS, 0.5 parts of detergent-low-basic calcium sulfonate with a total base value of 20-30 mgKOH / g, 3.5 parts of dispersant-disuccinimide with a total base value of 15-30 mgKOH / g, 0.4 1 part of friction modifier - boron nitrogen compound with boron content of 1.4%, acid value ≤ 10mgKOH / g, 0.1 part of pour point depressant - Viscoplex1-156 and 10.5 parts of diluent - aviation kerosene;

[0043] The preparation method is as follows: add base oil A, base oil B, and base oil C in sequence, stir well at 70°C for 0.5 to 1 hour and mix evenly, then add detergent, dispersant, friction modifier, and pour point depressant in proportion Continue to stir for 3 hours to make it completely dissolved, then cool down to 40°C and then add diluent and sti...

Embodiment 3

[0045] Prepare a kind of EGB air-cooled two-stroke gasoline engine oil composition, formula is as follows: 39 parts of base oil A—Ⅱ group base oil 150N, 40 parts of base oil B—Ⅱ group base oil 650N, 8 parts of base oil C—bright Oil 120BS, 0.8 parts of detergent-calcium sulfonate with low basic value of 20-30mgKOH / g, 2.9 parts of dispersant-disuccinimide of 15-30mgKOH / g, 0.3 1 part of friction modifier - boron nitrogen compound with boron content 1.4%, acid value ≤ 10mgKOH / g, 0.1 part of pour point depressant - Viscoplex1-156, 8.9 parts of diluent - aviation kerosene;

[0046] The preparation method is as follows: add base oil A, base oil B, and base oil C in sequence, stir well at 70°C for 0.5 to 1 hour and mix evenly, then add detergent, dispersant, friction modifier, and pour point depressant in proportion Continue to stir for 3 hours to make it completely dissolved, then cool down to 40°C and then add diluent and stir for 3 hours until the mixture is uniform.

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Abstract

The invention relates to an air-cooling two-stroke gasoline engine oil composition for an EGB and further relates to a preparation method of the air-cooling two-stroke gasoline engine oil composition for the EGB. The air-cooling two-stroke gasoline engine oil composition is prepared from the following components in parts by weight: a) 25 to 45 parts of base oil A; b) 30 to 50 parts of base oil B; c) 5 to 20 parts of base oil C; d) 0.05 to 2 parts of a detergent; e) 1 to 10 parts of a dispersant; f) 0.01 to 1 part of a friction modifier; g) 0.01 to 1 part of a pour point depressant; h) 5 to 20 parts of a diluting agent; the friction modifier adopts a boron-nitrogen compound; the boron-nitrogen compound is prepared from raw materials including acid with a long carbon chain, organic amine and boric acid; the boron-nitrogen compound adopts a boron-nitrogen compound with the boron content being 1.4 percent and the acid value less than or equal to 10mg KOH / g.

Description

technical field [0001] The invention relates to the technical field of lubricating oil, in particular to an EGB (national standard for internal combustion engine oil) air-cooled two-stroke gasoline engine oil composition and a preparation method thereof. Background technique [0002] The two-stroke gasoline engine is widely used due to its light weight, small size, simple structure, convenient maintenance, and high power per unit mass. In addition to being used for motorcycles, other equipment using two-stroke engines is also increasing, such as: logging machines, lawn mowers, sleighs, etc. The unique working mode and lubricating mode (combustion with fuel) of two-stroke gasoline engine require the use of special engine oil with good lubricity, cleanliness and exhaust smoke. To this end, countries around the world have successively carried out research and development of two-stroke gasoline engine oils, and established corresponding quality grade specifications. In 1992, J...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M169/04C10M139/00C10N40/26C10N30/06C10N30/10C10N30/08C10N30/04
CPCC10M139/00C10M169/048C10M2203/10C10M2203/1006C10M2203/1025C10M2203/1085C10M2209/08C10M2215/086C10M2219/044C10M2227/062C10N2030/04C10N2030/06C10N2030/08C10N2030/10C10N2030/45C10N2040/26C10N2020/02C10N2010/04
Inventor 冯心凭朱弟文梁奇瑞朱鸿浩邓翠花
Owner 广东南油石化有限公司
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