CN113969206A - Automobile engine oil containing liquid molybdenum and preparation method thereof - Google Patents
Automobile engine oil containing liquid molybdenum and preparation method thereof Download PDFInfo
- Publication number
- CN113969206A CN113969206A CN202010713375.8A CN202010713375A CN113969206A CN 113969206 A CN113969206 A CN 113969206A CN 202010713375 A CN202010713375 A CN 202010713375A CN 113969206 A CN113969206 A CN 113969206A
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- engine oil
- oil
- molybdenum
- automobile engine
- parts
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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
- C10M169/042—Mixtures of base-materials and additives the additives being compounds of unknown or incompletely defined constitution only
-
- 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
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
Abstract
The invention provides liquid molybdenum-containing automobile engine oil and a preparation method thereof, belongs to the technical field of lubricating oil, and particularly relates to lubricating oil capable of reducing the wear performance of the lubricating oil and a preparation method thereof; the friction modifier, the finger-sticking agent, the pour point depressant, the composite additive and the like are added into the base oil in a certain proportion, the performance parameters of the prepared automobile engine oil meet the industrial requirements, the diameter of the wear scar is small, the problem that the lubricating property of the engine oil is temporarily lost and the engine oil is worn due to sudden change of the working environment of the engine oil is successfully solved, and MoS can be decomposed from organic molybdenum in the engine oil when the lubricating property of the engine oil cannot meet the requirements2The super-strong oil film generated by matching with lubricating oil can reduce the friction coefficient among all parts, thereby improving the abrasion resistance of the oil film.
Description
Technical Field
The invention relates to the technical field of lubricating oil, in particular to automobile engine oil containing liquid molybdenum and a preparation method thereof.
Background
The engine oil is used for lubricating all running elements of the crankcase of the engine, has the functions of cooling and cleaning the engine, has a complete lubricating system and consists of an oil pan, an oil pump, a coarse filter, a fine filter and an oil duct pipeline. Lubricating oil is delivered to each friction part in a forced circulation or splashing mode of a pipeline and an oil pump, and a layer of oil film is formed on the friction surface which moves relatively to separate the metal surfaces, so that the friction between metal devices is reduced, the stable work of an engine system is ensured, and the lubricating and anti-wear functions of the lubricating oil play a vital role in the running process.
In order to ensure the lubricating effect of the engine, the engine oil needs to have proper viscosity and good viscosity-temperature characteristics, so that the viscosity is slightly influenced by temperature change, the motion resistance among friction parts can be increased due to overlarge viscosity of the lubricating oil, the low-temperature starting is difficult, the mechanical efficiency is reduced, and the fuel consumption is increased; the viscosity is too low, a tough oil film cannot be formed between friction parts, the antifriction effect is poor, and the abrasion of an engine is increased. Therefore, in order to avoid the viscosity problem causing the abrasion of engine parts, the development of an engine oil which has antifriction and antiwear properties by itself has a great market prospect.
Disclosure of Invention
The invention aims to provide the automobile engine oil containing the liquid molybdenum, the automobile engine oil overcomes the defects in the prior art, the friction modifier is added into the base oil, the composite additive, the finger-sticking agent and the pour point depressant are matched, the performance parameters of the prepared automobile engine oil meet the industrial requirements, the diameter of the wear scar is small, when the lubricating property of the engine oil temporarily fails due to sudden change of the working environment of the engine oil to cause the wear phenomenon, the organic molybdenum in the engine oil can decompose MoS2, and the ultra-strong oil film generated by the lubricating oil is matched, the friction coefficient among all parts can be reduced, so the wear resistance of the engine oil is improved, and the wear resistance of the engine oil reaches the advanced level of the industry.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides liquid molybdenum-containing automobile engine oil which comprises the following raw materials in parts by mass: 80-90 parts of base oil, 0.1-0.3 part of friction modifier, 5.5-8.5 parts of composite additive, 10-15 parts of adhesive and 0.1-0.5 part of pour point depressant.
Preferably, the base oil is selected from one or two of a group two base oil and a group three base oil.
Preferably, the second base oil is selected from one or more of 150N, 400N and 500N.
Preferably, the three types of base oil are selected from one or more of 100N, 150N and 250N.
Preferably, the friction modifier is a mixture of an organic molybdenum and a solvent.
Preferably, the organic molybdenum is one or more of alkyl sulfo-oxygen molybdenum and molybdate, the solvent is monocarboxylic ester, polybasic acid ester and derivatives thereof, and the mass ratio of the organic molybdenum to the solvent is that the mass ratio of the molybdenum atom amount to the solvent amount is less than or equal to 0.50.
Preferably, the composite additive is selected from one or more of a dispersant, a defoaming agent, an antioxidant and a corrosion inhibitor.
Preferably, the adhesive agent is selected from one or two of the group consisting of OCP type and HSD type.
The invention also provides a preparation method of the automobile engine oil containing the liquid molybdenum, which comprises the following steps:
1) heating the base oil to 60-70 ℃, adding a finger-sticking agent and a pour point depressant, and stirring to obtain a solution A;
2) and adding the composite additive and the friction modifier into the solution A, and stirring to obtain the automobile engine oil.
Preferably, the stirring is pulse stirring, and the pulse stirring time is 20-50 min.
The invention has the beneficial technical effects that:
the invention provides an automobile engine oil containing liquid molybdenum, which has excellent performance parameters under the combined action of a composite additive, a finger-sticking agent and a pour point depressant by adding a small amount of a friction modifier into base oil, is clean engine oil, burns at the high temperature of 800 ℃, and has no residual traces; the wear resistance of the automobile engine oil is measured by adopting a four-ball method, the automobile engine oil has smaller wear-scar diameter, and MoS can be decomposed from organic molybdenum added into the engine oil at high temperature2The lubricating oil is matched to generate a super-strong oil film to reduce the friction coefficient, thereby improving the wear resistance of the engine, reducing the power consumption of the engine, and protecting a camshaft, a crankshaft, a piston ring and a valve rodEtc.; the engine oil is alkalescent, the gasoline combustion product is an acidic substance, and the alkalescent property of the liquid molybdenum is matched, so that the engine oil has excellent anti-aging capability.
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 adhesive and the pour point depressant, and stirring to obtain a solution A; and adding the composite additive and the friction modifier into the solution A, and stirring to obtain the automobile engine oil. The preparation method is simple to operate and easy to implement.
Detailed Description
The invention provides liquid molybdenum-containing automobile engine oil which comprises the following raw materials in parts by mass: 80-90 parts of base oil, 0.1-0.3 part of friction modifier, 5.5-8.5 parts of composite additive, 10-15 parts of adhesive and 0.1-0.5 part of pour point depressant.
The raw materials for preparing the automobile engine oil comprise 80-90 parts of base oil, and more preferably 80-85 parts of base oil; the base oil is one or two of second-class base oil and third-class base oil; when the second base oil and the third base oil are added simultaneously, the two base oils are preferably added in equal mass; in the invention, the second base oil is preferably one or more of 150N, 400N and 500N, and when the second base oil is preferably two or three of the specific substances, the substances are preferably added in equal mass; in the invention, the three types of base oil are preferably one or more of 100N, 150N and 250N, and when the three types of base oil are preferably two or three of the specific substances, the substances are preferably added in equal mass; the source of the base oil is not particularly required in the invention, and the base oil with the source known to those skilled in the art can be selected.
On the basis of the mass of the added base oil, the raw materials of the automobile engine oil also comprise 0.1-0.3 part of friction modifier; the friction modifier is preferably a mixture of organic molybdenum and a solvent, the organic molybdenum is one or more of alkyl sulfo-oxo-molybdenum and molybdate, the solvent is monocarboxylic ester, polybasic acid ester and derivatives thereof, and the mass ratio of the organic molybdenum to the solvent is that the mass ratio of molybdenum atom/solvent is less than or equal to 0.50, preferably 0.50; the friction modifier of the invention containsOrgano-molybdenum, which at high temperatures in engine oils can be decomposed to give MoS2The lubricating oil is matched to generate a super-strong oil film, so that the friction coefficient is reduced, the wear resistance of the engine is improved, the power consumption of the engine is reduced, and parts such as a camshaft, a crankshaft, a piston ring and a valve stem can be protected.
The automobile engine oil comprises raw materials, wherein the raw materials comprise 5.5-8.5 parts of a composite additive by mass based on the mass of added base oil, the composite additive is preferably one or more of a dispersing agent, a defoaming agent, an antioxidant and a corrosion inhibitor, and when the composite additive is preferably two, three or four of the specific substances, the specific substances are preferably added in equal mass.
On the basis of the mass of the added base oil, the automobile engine oil disclosed by the invention also comprises 10-15 parts of a finger-sticking agent, preferably 10-12 parts; in the present invention, the adhesive is preferably one or both of OCP type and HSD type, and when the adhesive is preferably both of OCP type and HSD type, it is preferably added in equal mass; the source of the finger-sticking agent is not particularly required, and the finger-sticking agent can be obtained by selecting the conventional source of the finger-sticking agent.
The automobile engine oil disclosed by the invention also comprises 0.1-0.5 part of pour point depressant in raw materials based on the mass of the added base oil; the invention has no special requirement on the type of the pour point depressant, and preferably one or more of the pour point depressant 803B, the pour point depressant T602B and the pour point depressant P-2100.
The invention also provides a preparation method of the automobile engine oil containing the liquid molybdenum, which comprises the following steps:
1) heating the base oil to 60-70 ℃, adding a finger-sticking agent and a pour point depressant, and stirring to obtain a solution A;
2) and adding the composite additive and the friction modifier 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 sticking agent and a pour point depressant are added, the base oil is preferably pumped into the base oil by the vacuum pump, the adding time is preferably 3-6 min, and stirring is carried out while adding, the adding sequence of the sticking agent and the pour point depressant has no special requirement, after the adding is finished, a mixed material is stirred by adopting a pulse stirring mode, and the stirring time is preferably 20-50 min, so that a solution A is obtained;
after the solution A is obtained, adding the composite additive and the friction modifier into the solution A, preferably, pumping the composite additive and the friction modifier into the solution A by using a vacuum pump or a spiral rod pump, wherein the adding sequence of the composite additive and the friction modifier has no special requirement, after the addition is finished, stirring the composite additive and the friction modifier in a pulse stirring mode preferably for 20-50 min, and stirring until a 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:
40 parts of 150N second-class base oil, 40 parts of 100N third-class base oil, 0.1 part of friction modifier, 1.5 parts of dispersant, 1.5 parts of defoaming agent, 1.5 parts of antioxidant and 1.5 parts of corrosion inhibitor, 10 parts of OCP (epoxy-modified polyester) type adhesive and 0.1 part of pour point depressant T602B 0.1;
the preparation method comprises the following steps:
respectively pumping weighed 150N second-class base oil and 100N third-class base oil into a blending kettle by a vacuum pump for uniformly mixing, heating the blending kettle, respectively pumping an OCP (epoxy-propylene-diene monomer) type adhesive and a pour point depressant T602B into the blending kettle by a screw rod pump to be mixed with the base oil when the temperature is 60 ℃, wherein the addition of the OCP type adhesive and the pour point depressant T602B is finished within 5min, stirring while adding in the adding process, stirring the mixed material by adopting a pulse stirring mode after the addition is finished, respectively pumping a dispersing agent, a defoaming agent, an antioxidant, a corrosion inhibitor and a friction modifier into the mixture by using the screw rod pump when the stirring time reaches 25min, after the addition is finished, stirring for 40min by pulse stirring until the mixed solution is clear and transparent, and obtaining the automobile engine oil.
Example 2:
the automobile engine oil provided by the invention is prepared from the following raw materials in parts by mass:
65 parts of 400N second-class base oil, 20 parts of 150N third-class base oil, 0.2 part of friction modifier, 2 parts of defoaming agent, 2 parts of antioxidant and 3 parts of corrosion inhibitor, 10 parts of OCP type adhesive and 0.3 part of pour point depressant 803B;
the preparation method comprises the following steps:
respectively pumping weighed 400N second-class base oil and 150N third-class base oil into a blending kettle by a screw rod pump to be uniformly mixed, heating the blending kettle, respectively pumping an OCP (epoxy-propylene-diene monomer) type adhesive and a pour point depressant T602B into the blending kettle by a vacuum pump to be mixed with the base oil when the temperature is 65 ℃, wherein the addition of the OCP type adhesive and the pour point depressant T602B is finished within 10min, stirring while adding in the adding process, stirring the mixed material by adopting a pulse stirring mode after the addition is finished, respectively pumping a defoaming agent, an antioxidant, a corrosion inhibitor and a friction modifier into the mixture by using the screw rod pump when the stirring time reaches 35min, after the addition is finished, stirring for 30min by adopting a pulse mode until the mixed solution is clear and transparent, and obtaining the automobile engine oil.
Example 3:
32 parts of 500N second-type base oil, 58 parts of 250N third-type base oil, 0.3 part of friction modifier, 3 parts of dispersant, 2 parts of defoaming agent, 3 parts of corrosion inhibitor, 15 parts of HSD type adhesive and P-21000.5 parts of pour point depressant;
the preparation method comprises the following steps:
respectively pumping weighed 500N second-class base oil and 250N third-class base oil into a blending kettle by a vacuum pump for uniformly mixing, heating the blending kettle, respectively pumping an HSD type adhesive and a pour point depressant P-2100 into the blending kettle by a screw pump to mix with the base oil when the temperature is 60 ℃, wherein the HSD type adhesive and the pour point depressant P-2100 are added within 10min, stirring while adding in the adding process, stirring the mixed material by adopting a pulse stirring mode after the adding is finished, respectively pumping a dispersing agent, a defoaming agent, a corrosion inhibitor and a friction modifier into the mixture by the screw pump when the stirring time reaches 40min, after the adding is finished, stirring for 40min by pulse stirring until the mixed solution is clear and transparent, and obtaining the automobile engine oil.
The automobile engine oil prepared in the embodiment 1-3 is subjected to performance detection, all performances meet the industrial standard, and the automobile engine oil is clean engine oil, is combusted at a high temperature of 800 ℃, has no residual trace, and is high-performance automobile engine oil.
Respectively measuring the wear resistance of the automobile engine oil prepared in the embodiment 1-3 and the commercially available SN 10W-40 gasoline engine lubricating oil, and measuring the wear resistance by adopting a four-ball method under the measuring conditions of 392N, 1200r/min, 75 ℃ and 60 min; the wear scar diameters are shown in table 1:
TABLE 1 scrub spot diameter
From the above table, it can be seen that the wear resistance of the automobile engine oil prepared in examples 1 to 3 is measured by a four-ball method, the diameter of the wear-resistant spot is 0.31 to 0.33mm, while the diameter of the wear-resistant spot of the common engine oil in the market is 0.46mm, which is far larger than that of the engine oil in the present application, organic molybdenum is added as a friction modifier on the basis of the base oil, and simultaneously, under the synergistic effect of the organic molybdenum, the composite additive, the finger-sticking agent and the pour point depressant, the diameter of the wear-resistant spot is smaller, and the wear resistance of the engine oil is higher than that of the engine oil conventionally sold in the market, so that a superior technical effect is obtained.
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 (10)
1. The liquid molybdenum-containing automobile engine oil comprises the following raw materials in parts by mass: 80-90 parts of base oil, 0.1-0.3 part of friction modifier, 5.5-8.5 parts of composite additive, 10-15 parts of adhesive and 0.1-0.5 part of pour point depressant.
2. The liquid molybdenum-containing automotive engine oil according to claim 1, wherein the base oil is selected from one or two of a group two base oil and a group three base oil.
3. The liquid molybdenum-containing automotive engine oil of claim 2, wherein the group two base oils are selected from one or more of 150N, 400N and 500N.
4. The liquid molybdenum-containing automotive engine oil of claim 2, wherein the three types of base oils are selected from one or more of 100N, 150N and 250N.
5. The liquid molybdenum-containing automotive engine oil of claim 1, wherein the friction modifier is a mixture of an organo-molybdenum and a solvent.
6. The liquid molybdenum-containing automobile engine oil as claimed in claim 5, wherein the organic molybdenum is one or more of alkyl sulfo-oxo-molybdenum and molybdate ester, the solvent is monocarboxylic ester, polybasic acid ester and derivatives thereof, and the mass ratio of the organic molybdenum to the solvent is that the mass ratio of molybdenum atom/solvent is less than or equal to 0.50.
7. The liquid molybdenum-containing automobile engine oil according to claim 1, wherein the composite additive is one or more selected from a dispersant, a defoamer, an antioxidant and a corrosion inhibitor.
8. The liquid molybdenum-containing automotive engine oil of claim 1, wherein the finger-stick agent is selected from one or both of the group consisting of OCP type and HSD type.
9. The method for preparing the liquid molybdenum-containing automobile engine oil according to any one of claims 1 to 8, comprising the steps of:
1) heating the base oil to 60-70 ℃, adding a finger-sticking agent and a pour point depressant, and stirring to obtain a solution A;
2) and adding the composite additive and the friction modifier into the solution A, and stirring to obtain the automobile engine oil.
10. The method for preparing the liquid molybdenum-containing automobile engine oil according to claim 9, wherein the stirring is pulse stirring, and the pulse stirring time is 20-50 min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010713375.8A CN113969206A (en) | 2020-07-22 | 2020-07-22 | Automobile engine oil containing liquid molybdenum and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010713375.8A CN113969206A (en) | 2020-07-22 | 2020-07-22 | Automobile engine oil containing liquid molybdenum and preparation method thereof |
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2020
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