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A kind of engine oil additive composition and preparation method thereof

An additive and composition technology, applied in the field of lubricating oil, can solve the problems of insufficient internal combustion engine power, large wear of internal combustion engine parts, and short service life of engine oil, and achieve enhanced oxidation stability and low temperature performance, excellent anti-friction and anti-wear properties, Effect of improving extreme pressure and anti-wear properties

Inactive Publication Date: 2018-01-16
梁海东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the continuous improvement of engine performance and output power in recent years, the service life of engine oil with common additives is still relatively short.
And the more severe operating conditions make the parts of the internal combustion engine wear more, the power of the internal combustion engine is insufficient, the fuel consumption is large, and the exhaust gas and noise are large when the motor vehicle is in use.
In addition, the existing composite additive composition still has shortcomings, for example, the overall dosage is relatively large; it contains phosphorus anti-wear agent, which has an impact on the three-way catalytic converter of the car; the sensitivity to base oil is not strong, and a specific base oil is required; The function of the compound agent is not outstanding
[0005] For example, patent documents CN102443474A "a composite additive for engine oil", CN102041141A "a composite additive for gas vehicle engine oil and engine oil", CN102443477A "a composite additive for engine lubricating oil", CN 102994193A "a low-ash "Gas engine lubricating oil compositions" all contain phosphorus additives, which increase the risk to the three-way catalytic converter and have a greater impact on the automobile emission system

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A kind of engine oil additive composition, the formula of described engine oil additive composition is calculated by weight: 20 parts of castor oil, 15 parts of boron-nitrogen type modified castor oil, 5 parts of castor oil polyol ester, 10 parts of polyisobutylene, weight 8 parts of bismuth isooctanoate and bismuth naphthenate at a ratio of 1:1, 6 parts of Tween-60, Siben-20 and Siben-80 at a weight ratio of 3:2:1, and cyclic bismuth at a weight ratio of 1:1 10 parts of molybdenum alkanoate and molybdenum alkyl salicylate, polyisobutylene monosuccinimide, polyisobutylene bis-succinimide and borated polyisobutylene succinimide in a weight ratio of 1:1:1 5 4 parts, 4 parts of graphite powder, 3 parts of benzotriazole and tolyl benzotriazole with a weight ratio of 1:1, 5 parts of calcium salicylate, 4 parts of nano metal powder concentrate, and 5 parts of styrene.

[0048] A preparation method of an engine oil additive composition, the method is: according to the above pa...

Embodiment 2

[0053] An engine oil additive composition, the formula of which is calculated in parts by weight: 22 parts of castor oil, 17 parts of boron nitrogen type modified castor oil, 7 parts of castor oil polyol ester, alkyl succinic acid derivative 8 parts, 6 parts of bismuth isooctanoate and bismuth naphthenate in a weight ratio of 2:1, 7 parts of Tween-60, Siben-20 and Siben-80 in a weight ratio of 3:2:1, a weight ratio of 1 : 1 molybdenum naphthenate and molybdenum alkyl salicylate 12 parts, the weight ratio is 1:2:1 polyisobutylene monosuccinimide, polyisobutylene bis-succinimide and borated polyisobutylene butadiene 5 parts of imide, 3 parts of graphite powder, 2 parts of benzotriazole and tolyl benzotriazole with a weight ratio of 1:1, 3 parts of magnesium salicylate, 4 parts of nano metal powder concentrate, poly 4 parts styrene.

[0054] A preparation method of an engine oil additive composition, the method is: according to the above weight parts, castor oil, boron-nitrogen ...

Embodiment 3

[0059] A kind of engine oil additive composition, the formula of described engine oil additive composition is calculated by weight: 25 parts of castor oils, 15 parts of boron-nitrogen type modified castor oils, 5 parts of castor oil polyol esters, 5 parts of polyisobutylenes, weight 7 parts of bismuth isooctanoate and bismuth naphthenate at a ratio of 3:1, 5 parts of Tween-60, Siben-20 and Siben-80 at a weight ratio of 3:2:1, and cyclic bismuth at a weight ratio of 1:1 Molybdenum alkanoate and molybdenum alkyl salicylate 15 parts, polyisobutylene monosuccinimide, polyisobutylene bis-succinimide and borated polyisobutylene succinimide in a weight ratio of 1:2:28 , 2 parts of graphite powder, 3 parts of benzotriazole and tolyl benzotriazole in a weight ratio of 1:1, 4 parts of magnesium salicylate, 4 parts of nano-metal powder concentrate, methyl methacrylate 2 servings.

[0060]A preparation method of an engine oil additive composition, the method is: according to the above we...

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Abstract

The invention discloses an engine oil additive composition and a preparation method thereof. The formula of the engine oil additive composition is calculated in parts by weight: 20-40 parts of castor oil, 15-20 parts of boron nitrogen type modified castor oil, castor oil polyol 5-10 parts of ester, 5-10 parts of rust inhibitor, 5-10 parts of antioxidant, 5-8 parts of surfactant, 10-15 parts of organic molybdenum compound, 5-10 parts of dispersant, 2-5 parts of graphite powder 1 to 3 parts of metal deactivator, 2 to 5 parts of cleaning agent, 2 to 5 parts of nanometer metal powder concentrate, and 2 to 5 parts of viscosity index improver. The present invention prepares an environment-friendly engine oil additive composition by controlling the types and quantities of castor oil, modified castor oil, nanoparticles and other phosphorus-free additives. The additive has good lubricity, viscosity-temperature characteristics, low-temperature fluidity, and Corrosion resistance, anti-foaming and anti-emulsification capabilities, good comprehensive performance, and due to the addition of nano-materials and phosphorus-free additives, it increases anti-wear performance, prolongs the oil change period, reduces environmental pressure, and reduces adverse effects on the engine .

Description

technical field [0001] The invention belongs to the field of lubricating oil, and in particular relates to an engine oil additive composition and a preparation method thereof. Background technique [0002] Lubricating oil is widely used in mechanical processing, transportation, metallurgy, coal, construction and other industries, as a liquid lubricant used in various types of machinery to reduce friction and protect machinery and processed parts. Lubricating oil is mainly used to reduce the friction of moving parts Friction between surfaces, while cooling, sealing, anti-corrosion, anti-rust, insulation, power transmission, cleaning impurities and other functions for machinery and equipment. Engine lubricating oil, that is, engine oil, is the lubricating medium of the moving parts in the engine system. It has the functions of lubrication, cooling, cleaning and sealing to ensure the effective and long-term operation of the engine. The performance of the engine lubricating oil ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C10M167/00C10N30/04C10N30/06C10N30/10C10N30/12C10N30/18C10N40/25
Inventor 颜凤生李祥
Owner 梁海东
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