CN113969204A - Automobile engine oil for relieving engine oil burning phenomenon and preparation method thereof - Google Patents
Automobile engine oil for relieving engine oil burning phenomenon and preparation method thereof Download PDFInfo
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- CN113969204A CN113969204A CN202010711912.5A CN202010711912A CN113969204A CN 113969204 A CN113969204 A CN 113969204A CN 202010711912 A CN202010711912 A CN 202010711912A CN 113969204 A CN113969204 A CN 113969204A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/047—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M177/00—Special methods of preparation of lubricating compositions; Chemical modification by after-treatment of components or of the whole of a lubricating composition, not covered by other classes
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/024—Propene
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/06—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
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- Chemical & Material Sciences (AREA)
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- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention provides automobile engine oil for relieving an oil burning phenomenon and a preparation method thereof, belongs to the technical field of lubricating oil, and particularly relates to automobile engine oil for relieving the oil burning phenomenon; according to the invention, the composite additive and the viscosity index improver are added into the base oil, so that the prepared automobile engine oil has excellent performance parameters, high-temperature high-shear viscosity, opening lightning and viscosity index are high, the automobile engine oil is high-quality engine oil, meanwhile, the automobile engine oil has low evaporation loss and high cleanliness in a high-temperature and high-pressure working environment, and the engine oil burning phenomenon generated in the running process can be effectively relieved, so that the engine and parts are damaged.
Description
Technical Field
The invention relates to the technical field of lubricating oil, in particular to automobile engine oil capable of relieving the phenomenon of engine oil burning and a preparation method thereof.
Background
Automobile engine oils, i.e. engine lubricating oils, having a density of about 0.91X 103(kg/m3) The lubricating and antifriction, auxiliary cooling and cooling, sealing and leakage-proof, rust-proof and corrosion-proof and shock-absorbing buffering functions can be realized on the engine; when an automobile is used for a long time, engine oil enters a combustion chamber of an engine due to the failure of a piston ring, the failure of a sealing ring of a turbocharger and the like, and the engine oil and mixed gas participate in combustion, and the phenomenon is engine oil burning. The phenomenon of engine oil burning of a vehicle can cause the oxygen sensor of the vehicle to be damaged too fast, so that the carbon deposition of a combustion chamber is increased, the idling is unstable, the acceleration is weak, the oil consumption is increased, the exhaust emission exceeds the standard and other adverse effects are caused, and the serious person can cause the damage and even the scrapping of an engine which are difficult to repair.
However, the most core problem is the performance of engine oil, and the long period of changing the engine oil or the use of inferior engine oil may cause the main rotating shaft of the floating turbine to lack lubrication and heat dissipation, thereby damaging the oil seal, and further causing the phenomenon of engine oil burning.
Disclosure of Invention
The invention aims to provide the automobile engine oil for relieving the engine oil burning phenomenon, which overcomes the defects in the prior art, and the prepared automobile engine oil has better performance parameters by adding the composite additive and the viscosity index improver into the base oil, wherein the high-temperature high-shear viscosity, the opening flash point and the viscosity index are higher, the automobile engine oil is high-quality engine oil, meanwhile, the evaporation loss of the automobile engine oil is lower under the working environment of high temperature and high pressure, the cleanliness is high in the operation process, and the engine oil burning phenomenon generated in the operation process can be effectively relieved to damage an engine and parts of the engine.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides automobile engine oil for relieving an engine oil burning phenomenon, which comprises the following raw materials in parts by mass: 85-88 parts of base oil, 6-12 parts of composite additive and 5-10 parts of viscosity index improver.
Preferably, the base oil is selected from one or both of group iii base oils and group iv base oils.
Preferably, the group iii base oil is a 250N base oil.
Preferably, the group iv base oil is a PAO200 base oil.
Preferably, the composite additive is selected from one or more of a dispersant, an antiwear agent and an antioxidant.
Preferably, the viscosity index improver is selected from one or both of HSD type and OCP type.
The invention also provides a preparation method of the automobile engine oil, which comprises the following steps:
1) heating the base oil to 60-70 ℃, adding a viscosity index improver, and stirring to obtain a solution A;
2) and adding the composite additive into the solution A, and stirring to obtain the automobile engine oil.
Preferably, the stirring is pulsed stirring.
Preferably, the time of the pulse stirring is 20-50 min.
The invention has the beneficial technical effects that:
the invention provides automobile engine oil for relieving an engine oil burning phenomenon, which is characterized in that 6-12 parts of a composite additive and 5-10 parts of a viscosity index improver are added into base oil, so that the engine oil has excellent performance parameters under the combined action of raw materials, has high-temperature high-shear viscosity, opening lightning and viscosity index, is high-quality engine oil, and can effectively relieve the engine oil burning phenomenon generated in the running process to damage an engine; meanwhile, the evaporation loss of the material is low in a high-temperature and high-pressure working environment; and secondly, carbon deposition generated in the running process of the engine can be reduced, the internal environment is clean, and the phenomenon of engine oil burning is reduced.
The invention also provides a preparation method of the automobile engine oil, which comprises the steps of heating the base oil to 60-70 ℃, adding the viscosity index improver, then adding the composite additive, and stirring until the mixture is clear and transparent to obtain the automobile engine oil. The preparation method is simple to operate and easy to implement.
Drawings
FIG. 1 is a thermogravimetric analysis of an automotive engine oil as described in example 1;
FIG. 2 is a thermogravimetric analysis of a typical commercially available automotive engine oil;
FIG. 3 is a graph comparing the effects of oxidative combustion on engine oil.
Detailed Description
The invention provides automobile engine oil for relieving an engine oil burning phenomenon, which comprises the following raw materials in parts by mass: 85-88 parts of base oil, 6-12 parts of composite additive and 5-10 parts of viscosity index improver.
The raw materials for preparing the automobile engine oil comprise 85-88 parts of base oil, wherein the base oil is one or two of group III base oil and group IV base oil, and the group III base oil is preferably 250N base oil; the IV base oil is preferably PAO200 base oil; when the base oil is preferably two of group III base oil and group IV base oil, the group III base oil and the group IV base oil are preferably added in a mass ratio of 13-28: 1;
based on the mass of the base oil, the automobile engine oil also comprises 6-12 parts of a composite additive, preferably 8-10 parts; the composite additive is preferably one or more of a dispersant, an antiwear agent and an antioxidant, when the composite additive is preferably two or three of the above specific substances, the substances are preferably added in equal mass, the invention has no special requirement on the types and sources of the dispersant, the antiwear agent and the antioxidant, and the composite additive is selected from the types and sources known by the technicians in the field.
On the basis of the mass of the base oil, the automobile engine oil also comprises 5-10 parts of a viscosity index improver, preferably 5-7 parts; the viscosity index improver is preferably one or two of HSD and OCP; when two of the above specific substances are preferable as the viscosity index improver, each substance is preferably added in an equal amount.
In the present invention, the sources of the base oil, the complex additive and the viscosity index improver are not particularly required, and the sources known to those skilled in the art can be selected.
The invention also provides a preparation method of the automobile engine oil for relieving the phenomenon of engine oil burning, which comprises the following steps:
1) heating the base oil to 60-70 ℃, adding a viscosity index improver, and stirring to obtain a solution A;
2) and adding the composite additive into the solution A, and stirring to obtain the automobile engine oil.
According to the invention, weighed base oil is pumped into a blending kettle by a vacuum pump or a screw rod pump, the temperature of the base oil is raised to 60-70 ℃, preferably 60-65 ℃, when a viscosity index improver is added, the base oil is preferably pumped into the base oil by the vacuum pump in an adding mode, the adding time is preferably 3-6 min, stirring is carried out while adding, after the adding is finished, a mixed material is stirred in a pulse stirring mode, and the stirring time is preferably 20-50 min, so that a solution A is obtained;
and after the solution A is obtained, adding the composite additive into the solution A, preferably pumping the composite additive into the solution A by using a vacuum pump or a spiral rod pump, preferably stirring the composite additive in a pulse stirring mode for 20-50 min after the addition is finished, and stirring until the mixed solution is clear and transparent to obtain the automobile engine oil.
The following will describe the automobile engine oil and the preparation method thereof in detail with reference to the examples, but they should not be construed as limiting the scope of the invention.
Example 1:
the automobile engine oil provided by the invention is prepared from the following raw materials in parts by mass:
80 parts of 250N three-type base oil, 5 parts of PAO200 base oil, 3 parts of dispersant, 3 parts of antiwear agent and 5 parts of HSD type viscosity index improver;
the preparation method comprises the following steps:
pumping weighed base oil into a blending kettle by a vacuum pump, heating the blending kettle, pumping the HSD viscosity index improver into the blending kettle by a screw pump when the temperature is 60 ℃, mixing the HSD viscosity index improver with the base oil, wherein the viscosity index improver is added within 3min, the HSD viscosity index improver is added and stirred simultaneously, after the addition is completed, stirring the mixed material by adopting a pulse stirring mode, pumping the dispersing agent and the antiwear agent into the mixture by using a vacuum pump when the stirring time reaches 20min, after the addition is completed, performing pulse stirring for 50min, and stirring until the mixed solution is clear and transparent to obtain the automobile engine oil.
The performance of the automobile engine oil prepared in example 1 was measured, and the measurement standards and the measurement results are described in table 1.
TABLE 1 test standards and test results
As can be seen from Table 1, the automobile engine oil prepared by the method not only meets the requirements of national standards, but also meets the requirements of high-quality engine oil; the high-temperature high-shear viscosity can ensure the stable work of the engine and the high oil film strength under the harsh working state of the engine, thereby reducing the abrasion of the engine in the running process; the high opening flash point can prevent the engine oil from cracking due to high temperature of the engine and can effectively relieve the phenomenon of engine oil burning; the viscosity index is 153, the lubricating oil is high-quality lubricating oil, the kinematic viscosity of the engine oil is slightly influenced by temperature change, and the phenomenon of engine oil burning is slowed down; the evaporation loss is lower, which shows that the volatilization amount of the oil is less when the engine oil is contacted with abnormal temperature in the working process, so that the volatilization loss of the engine oil in the high-temperature and high-pressure working environment can be reduced, and the phenomenon of engine oil burning can be effectively relieved.
Example 2:
the automobile engine oil provided by the invention is prepared from the following raw materials in parts by mass:
82 parts of 250N three-type base oil, 4 parts of PAO200 base oil, 3 parts of dispersant, 3 parts of antiwear agent, 3 parts of antioxidant and 8 parts of OCP type viscosity index improver;
the preparation method comprises the following steps:
pumping weighed base oil into a blending kettle by a screw rod pump, heating the blending kettle, pumping an OCP type viscosity index improver into the blending kettle by a vacuum pump when the temperature is 65 ℃, mixing the OCP type viscosity index improver with the base oil, wherein the viscosity index improver is added within 4.5min, stirring while adding in the adding process, stirring the mixed material by adopting a pulse stirring mode after the addition is finished, pumping a dispersing agent, an antioxidant and an antiwear agent into the mixture by the vacuum pump when the stirring time reaches 35min, stirring for 35min after the addition is finished, and stirring until the mixed solution is clear and transparent to obtain the automobile engine oil.
Example 3:
the automobile engine oil provided by the invention is prepared from the following raw materials in parts by mass:
85 parts of 250N three-type base oil, 3 parts of PAO200 base oil, 12 parts of an antiwear agent, 5 parts of an OCP (oil-in-the-clear) type viscosity index improver and 5 parts of an HSD type viscosity index improver;
the preparation method comprises the following steps:
pumping weighed base oil into a blending kettle by a screw rod pump, heating the blending kettle, pumping an HSD type and OCP type viscosity index improver into the blending kettle by the screw rod pump to be mixed with the base oil when the temperature is 70 ℃, wherein the viscosity index improver is added within 6min, stirring while adding in the adding process, stirring the mixed material by adopting a pulse stirring mode after adding, pumping an antiwear agent into the mixture by a vacuum pump when stirring time reaches 50min, stirring for 50min after adding, and stirring until the mixed solution is clear and transparent to obtain the automobile engine oil.
Example 4
Thermogravimetric analysis was performed on the engine oil prepared in example 1 and a commercially available SN10W-40 gasoline engine lubricating oil under the following experimental conditions: the sample amount is 3mg plus or minus 0.1 mg; balance gas: nitrogen gas, 60 ml/min; sample gas: air, 40 ml/min; the heating rate is as follows: 10 ℃/min.
FIGS. 1 and 2 are thermogravimetric analyses of the engine oil prepared in example 1, and FIG. 2 is a thermogravimetric analysis of a commercially available SN10W-40 gasoline engine lubricating oil, respectively.
As can be seen from a comparison of FIGS. 1 and 2, the evaporation temperature of the engine oil prepared in the present invention is 256 ℃ and that of the commercially available engine oil is 217 ℃ and higher than that of the commercially available SN10W-40 gasoline engine oil, and the loss when the engine oil encounters an abnormal temperature is relatively low, which is matched with the experimental data of Table 1 in which the evaporation loss is low (Noak method, 250 ℃, 1 h).
Example 5
The engine oil prepared in example 1 and commercially available SN10W-40 gasoline engine lubricating oil were subjected to oxidative combustion, and the results were compared, as shown in FIG. 3, in which a TGA experiment was performed, the experimental container used was an aluminum pan, nitrogen was used as a device protective gas, air was used as a sample combustion gas, the temperature was raised from room temperature to 500 ℃ at the end point, and the oxidation of the engine oil on the aluminum pan was observed; in fact, if a large amount of carbon deposits are generated in the combustion process of fuel oil, the cleanliness of combustion products is inevitably influenced, the cleanliness of the products is reduced, automobile faults such as aging of a valve oil seal, enlargement of a piston cylinder wall gap and the like can be caused, and further, an engine oil burning phenomenon occurs, and as can be seen from fig. 3, after the automobile engine oil disclosed by the invention is oxidized at a high temperature of 500 ℃, no oxidation residue is generated, the cleanliness is high, and the automobile engine oil is high-performance engine lubricating oil.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An automobile engine oil for relieving an oil burning phenomenon comprises the following raw materials in parts by mass: 85-88 parts of base oil, 6-12 parts of composite additive and 5-10 parts of viscosity index improver.
2. The automotive engine oil for mitigating oil-burn events of claim 1, wherein the base oil is selected from one or both of group iii base oils and group iv base oils.
3. The automotive engine oil with reduced oil burn of claim 2, wherein the group iii base oil is a 250N base oil.
4. The engine oil for an automobile for mitigating engine oil burnout as recited in claim 2, wherein the group iv base oil is a PAO200 base oil.
5. The automotive engine oil for alleviating the phenomenon of engine oil burnout as defined in claim 1, wherein the complex additive is one or more selected from a dispersant, an antiwear agent and an antioxidant.
6. The automotive engine oil for mitigating oil-burn events of claim 1, wherein the viscosity index improver is selected from one or both of HSD type and OCP type.
7. The method for preparing the automobile engine oil according to any one of claims 1 to 6, comprising the steps of:
1) heating the base oil to 60-70 ℃, adding a viscosity index improver, and stirring to obtain a solution A;
2) and adding the composite additive into the solution A, and stirring to obtain the automobile engine oil.
8. The method of claim 7, wherein the agitating is pulsed agitation.
9. The method for preparing the automobile engine oil according to claim 7, wherein the time of the pulse stirring is 20-50 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010711912.5A CN113969204A (en) | 2020-07-22 | 2020-07-22 | Automobile engine oil for relieving engine oil burning phenomenon and preparation method thereof |
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| CN202010711912.5A CN113969204A (en) | 2020-07-22 | 2020-07-22 | Automobile engine oil for relieving engine oil burning phenomenon and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851549A (en) * | 2010-07-05 | 2010-10-06 | 中国人民解放军后勤工程学院 | Engine oil of long-service life gasoline engine |
| CN102140381A (en) * | 2011-02-22 | 2011-08-03 | 孙学友 | Engine oil composition for improving oil loss or engine oil combustion of German automobiles |
| CN103031185A (en) * | 2011-10-08 | 2013-04-10 | 张建良 | Anti-burning engine oil and preparation method thereof |
| CN110003970A (en) * | 2018-01-04 | 2019-07-12 | 无锡奇比特润滑油有限公司 | A kind of synthesis type diesel engine lubricating oil |
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2020
- 2020-07-22 CN CN202010711912.5A patent/CN113969204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851549A (en) * | 2010-07-05 | 2010-10-06 | 中国人民解放军后勤工程学院 | Engine oil of long-service life gasoline engine |
| CN102140381A (en) * | 2011-02-22 | 2011-08-03 | 孙学友 | Engine oil composition for improving oil loss or engine oil combustion of German automobiles |
| CN103031185A (en) * | 2011-10-08 | 2013-04-10 | 张建良 | Anti-burning engine oil and preparation method thereof |
| CN110003970A (en) * | 2018-01-04 | 2019-07-12 | 无锡奇比特润滑油有限公司 | A kind of synthesis type diesel engine lubricating oil |
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Application publication date: 20220125 |