Anti-burning engine oil and preparation method thereof
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A technology of engine oil and base oil, which is applied in the petroleum industry, additives, lubricating compositions, etc. It can solve the problems of insufficient engine lubrication, decreased sealing performance, and weakened oil scraping effect of piston rings, etc., and achieves increased anti-oxidation ability and good lubrication. Performance, the effect of lowering the oil film temperature
Active Publication Date: 2013-04-10
张安 +1
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The phenomenon of "burning engine oil" in the vehicle will cause the three-way catalytic converter of the vehicle to be damaged too quickly, resulting in increased carbon deposits in the combustion chamber, unstable idling, weak acceleration, increased fuel consumption, and excessive exhaust emissions. In severe cases, the engine is insufficiently lubricated. Cause the engine to cause irreparable damage or even be scrapped, resulting in a substantial increase in maintenance costs and even hidden dangers of accidents
[0004] The reason why the car burns oil is mainly due to the occurrence of dry friction, which increases the wear of the piston ring and the cylinder wall, the gap between the cylinder wall becomes larger, the oil scraping effect of the piston ring is weakened, and the sealing performance is reduced, so that part of the oil enters the combustion chamber.
Aiming at the friction between various friction parts, many brands of lubricating oils such as anti-wear and repair have appeared on the market. However, practice has proved that the current situation or phenomenon of automobile engine oil burning remains the same, and the current automobile engine oil does not solve the problem of dry friction and wear.
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[0038] The preparation method of the anti-burn engine oil of the present invention is as follows: adding copper powder or ceramic powder with a particle size of 110nm to 300nm and an aspect ratio not greater than 3:1 into the base oil for mixing and stirring, and adding the copper powder to each liter of base oil Or ceramic powder 25g ~ 100g.
[0039] Preferably, a liquid additive is also added, and then the base oil and the liquid additive are mixed first, and then copper powder or ceramic powder is added into the mixed liquid.
Embodiment 1
[0041]91.5% by weight of API Group III base oil, 3% polyisobutylene bis-succinimide, 2% sulfurized alkyl phenate calcium, 0.3% zinc dialkyldithiocarbamate, 0.2% 2,6-di-tert-butyl-p-cresol, 3% ethylene-propylene copolymer viscosity index improver are mixed and stirred evenly;
[0042] Then add copper powder with a particle size of about 200nm, accounting for 40g / L of base oil, into the above mixed solution, and stir evenly to obtain an anti-burn engine oil.
Embodiment 2
[0044] The weight percentage is 89.75% API III type base oil, 2% polyisobutylene polysuccinimide, 2% monosuccinimide, 1.5% synthetic calcium sulfonate, 0.5% thionoxetine Primary alkyl zinc salt, 0.25% of 4,4-methylene bisphenol, and 4% of hydrogenated styrene diene copolymer are mixed and stirred evenly;
[0045] Then, ceramic powder with a particle size of 150nm, accounting for 30g / L of the base oil, was added into the above mixture, and stirred evenly to obtain an anti-burn engine oil.
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Abstract
The invention provides an anti-burning engine oil which comprises base oil and copper powder or ceramic powder, wherein the copper powder or ceramic powder has the particle size of 110-300nm and the depth-diameter aspect ratio of less than or equal to 3: 1; and every liter of base oil contains 25-100g of copper powder or ceramic powder. The anti-burning engine oil provided by the invention contains the nano copper powder or ceramic powder, so that the potential energy of various dragged particles in a cylinder can be increased, and various complicated movements can be formed under the action of the relative movement of a friction pair; therefore, the dry friction is greatly reduced, the anti-burning engine oil has good lubricating property, and the phenomenon that the engine oil is burnt can be avoided; furthermore, the moving particles also have the characteristic of cooling the temperature of an oil film, so that the oxidation resistance of the engine oil is improved, the service life of the engine oil is prolonged, and the maintenance of an engine is improved.
Description
technical field [0001] The invention relates to the field of engine lubricating oil, in particular to an anti-burning engine oil and a preparation method thereof. Background technique [0002] Engine lubricating oil, referred to as engine oil, is the lubricating medium for each moving part in the engine system, and has the functions of lubricating, cooling, cleaning and sealing, so as to ensure the effective and long-term operation of the engine. The performance of engine lubricating oil directly affects the working efficiency, fuel consumption, output power, service life and emission of the engine. [0003] With the increase of mileage, the matching clearance of each friction pair in the engine gradually increases due to wear and tear, resulting in the phenomenon of the car burning engine oil. "burning engine oil" means that the engine oil enters the combustion chamber of the engine and participates in the Burning, which has become a common failure of the car. The phenome...
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