CN111040853A - Environment-friendly rare earth ion coated shock absorber oil composition and preparation method thereof - Google Patents
Environment-friendly rare earth ion coated shock absorber oil composition and preparation method thereof Download PDFInfo
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- CN111040853A CN111040853A CN201911350640.4A CN201911350640A CN111040853A CN 111040853 A CN111040853 A CN 111040853A CN 201911350640 A CN201911350640 A CN 201911350640A CN 111040853 A CN111040853 A CN 111040853A
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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
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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- 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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- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/086—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type polycarboxylic, e.g. maleic acid
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- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- 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
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
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- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
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- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
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- 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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
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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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
Abstract
The invention relates to an environment-friendly rare earth ion coated shock absorber oil composition and a preparation method thereof, wherein the environment-friendly rare earth ion coated shock absorber oil composition comprises base oil, a friction improvement oiliness agent, an extreme pressure anti-wear agent, a metal deactivator, a high-temperature antioxidant, an anti-foaming agent, an oil-water demulsifier, a viscosity index improver, a dispersant and a pour point depressant, wherein the friction improvement oiliness agent is sulfurized olefin cottonseed oil, the extreme pressure anti-wear agent is a nano boronized rare earth ion coated film agent, the metal deactivator is a liquid benzotriazole derivative, the high-temperature antioxidant is liquid high molecular weight phenol, the viscosity index improver is polymethacrylate, the oil-water demulsifier is a polyether high molecular compound, the pour point depressant is poly α -olefin pour point depressant, and the dispersant is boronized polyisobutylene succinimide.
Description
Technical Field
The invention relates to the technical field of automobile lubricating oil, in particular to an environment-friendly rare earth ion coated shock absorber oil composition and a preparation method thereof.
Background
The high-speed development of the current economy drives the domestic automobile industry to enter the high-speed development period, the improvement of the high performance of the automobile greatly promotes the rapid improvement of the performance of the high-performance automobile master part shock absorber, and the continuous rising and progress of the domestic shock absorber industry are rapidly promoted.
The working principle of the shock absorber oil in the shock absorber mainly plays roles of abrasion resistance and hydraulic transmission, and simultaneously has the requirements of rust resistance, oxidation resistance, foam resistance, compatibility with a sealing element and the like. Particularly in the international rapid development era of high-performance automobiles, the shock absorber with new performance of the automobiles is required to have the characteristics of high speed, stable performance, good comfort and the like. Therefore, a shock absorber oil for use in combination with a shock absorber of a new-performance automobile is required to have excellent viscosity-temperature properties as well as high-speed long-wearing and sudden extreme pressure wear resistance properties. Most of the existing shock absorber oil has general performance and is suitable for automobiles with general performance, and when high-performance automobiles are used, the shock absorber oil has general use effect and shortens the service life of the shock absorber.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an environment-friendly rare earth ion coated shock absorber oil composition and a preparation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme: the environment-friendly rare earth ion coated shock absorber oil composition is characterized by comprising the following components in percentage by weight:
friction improving oiliness agent: 0.08-5%;
extreme pressure antiwear agent: 0.1 to 9.3 percent;
metal deactivators: 0.02-0.8%;
high-temperature antioxidant: 0.05 to 1.5 percent;
and (3) anti-foaming agent: 0.02-0.05%;
oil-water demulsifier: 0.05-1%;
the adhesive finger improver comprises: 1.4-4.5%;
dispersing agent: 1 to 5 percent;
pour point depressant: 0.5-3.5%;
the rest is made up by base oil with well-mixed viscosity.
Particularly, the composition comprises the following components in percentage by weight:
friction improving oiliness agent: 0.08-3.8%;
extreme pressure antiwear agent: 0.1 to 6.5 percent;
metal deactivators: 0.02-0.6%;
high-temperature antioxidant: 0.05 to 1.2 percent;
and (3) anti-foaming agent: 0.02-0.04%;
oil-water demulsifier: 0.05 to 0.8 percent;
the adhesive finger improver comprises: 1.5 to 3 percent;
dispersing agent: 1.5 to 3.8 percent;
pour point depressant: 0.5-2.2%;
the rest is made up by base oil with well-mixed viscosity.
In particular, the base oil is prepared by blending hydrofined 60N base oil and No. 3 white mineral oil, and the viscosity range of the blended base oil is 11-18mm at 40 DEG C2/s。
In particular, the friction improving oiliness agent is one or more of poly linoleic acid, benzotriazole octadecylamine salt and sulfurized olefin cottonseed oil.
In particular, the extreme pressure antiwear agent is a nano boronized rare earth ion film coating agent.
In particular, the metal deactivator is one or more of thiadiazole derivatives, liquid benzotriazole derivatives, N-dialkylaminomethylene benzotriazole and azetidine dianhydride.
Particularly, the high-temperature antioxidant is one or more of liquid high-molecular-weight phenol, 2, 6-di-tert-butyl-p-cresol, p' -dioctyl diphenylamine and didodecyl diphenylamine.
Specifically, the anti-foaming agent is a composition of a No. 1 anti-foaming agent and a No. 2 defoaming agent, the component ratio is 1:1, the No. 1 anti-foaming agent is a compound of acrylate and silicone oil, and the No. 2 defoaming agent is a compound of acrylate and an ether copolymer.
Particularly, the oil-water emulsion splitter is one or more of diamine propylene oxide polymer and polyether high molecular compounds.
In particular, the viscosity modifier is polymethacrylate.
In particular, the dispersant is one or more of boronized polyisobutylene succinimide, ashless phosphate ester, dimeric succinimide and boronized high molecular weight polyisobutylene diimide.
In particular, the pour point depressant is a poly α -olefin pour point depressant.
The preparation method of the environment-friendly rare earth ion coated shock absorber oil composition is characterized by comprising the following steps of:
(1) blending 60N base oil and No. 3 white mineral oil to obtain a mixture with viscosity of 11-18mm at 40 deg.C2A base oil per second.
(2) Putting the base oil obtained according to the percentage into a blending tank, and stirring for 40-60min at 60-70 ℃;
(3) sequentially putting the friction improvement oiliness agent, the metal deactivator, the high-temperature antioxidant, the dispersant, the pour point depressant, the extreme pressure antiwear agent, the viscosity improver, the antifoaming agent and the oil-water demulsifier which are obtained according to the percentage into a blending tank, and stirring and blending for 60-90min at the temperature of 60-70 ℃.
In particular, the stirring method in the step (2) and the step (3) is a heating direct stirring or a pulse-blending method.
The invention has the beneficial effects that: according to the invention, the nano boronized rare earth ion coating agent is added into the base oil, single oil film lubrication is changed into double lubrication with the nano boronized rare earth ion coating, once the oil film is extruded and broken, the nano boronized rare earth ion coating layer formed on the friction surface of the machine part can fully exert the lubricating effect, the friction coefficient is reduced, the friction resistance of the surface operation of the moving machine part of the shock absorber is reduced, the oil temperature rise is obviously inhibited, the long-term continuous lubricating effect and the outstanding high-temperature oxidation resistance function are achieved, and the shock absorber can work more stably; meanwhile, the composition formed by the invention also has excellent viscosity index, excellent air release performance, excellent anti-foaming property, outstanding anti-foaming stability, excellent high and low temperature property and excellent viscosity-temperature performance, and effectively ensures the heat balance performance of the shock absorber oil.
Detailed Description
In the invention, the viscosity range of the base oil prepared by taking the mass of the environment-friendly rare earth ion coated shock absorber oil composition as the reference is 11-18mm at 40 DEG C2/s；
In the invention, in order to better reduce the friction coefficient of the environment-friendly rare earth ion film-coated shock absorber oil composition and improve the lubricating strength, the preferable content of the friction improving oiliness agent is 0.08-3.8%, and the preferable content of the sulfurized olefin cottonseed oil is 0.08-3.8%;
in the invention, in order to better improve the extreme pressure anti-wear property of the environment-friendly rare earth ion film-coated shock absorber oil composition, the preferable content of the extreme pressure anti-wear agent is 0.1-6.5%, and the nano boronized rare earth ion film-coated agent is selected and used, and the content of the nano boronized rare earth ion film-coated agent is 0.1-6.5%;
in the invention, in order to better avoid the autooxidation of the metal ion catalyzed environment-friendly rare earth ion film-covered shock absorber oil composition, the content of the metal deactivator is preferably 0.02-0.6%, and the content of the liquid benzotriazole derivative is preferably 0.1-0.6%;
in the invention, in order to better improve the oxidation stability of the environment-friendly rare earth ion film-coated shock absorber oil composition, the content of the high-temperature antioxidant is preferably 0.05-1.2%, and the content of the liquid high-molecular-weight phenol is preferably 0.1-0.8%;
in the present invention, in order to better suppress the generation of foam in the environment-friendly rare earth ion-coated shock absorber oil composition and to rapidly break the generated foam, the preferable content of the anti-foaming agent is 0.02 to 0.04%, a composition of the No. 1 anti-foaming agent and the No. 2 anti-foaming agent is selected, and the ratio of the No. 1 anti-foaming agent to the No. 2 anti-foaming agent is 1:1, the content of the composition is 0.02 percent;
in the invention, in order to better separate oil from water in the rare earth ion coated shock absorber oil composition, the preferable content of the oil-water demulsifier is 0.05-0.8%, and the preferable content of the polyether high molecular compound is 0.05%;
in the invention, in order to better improve the shearing resistance and viscosity-temperature resistance of the environment-friendly rare earth ion film-coated shock absorber oil composition, the preferable content of the viscosity index improver is 1.5-3%, and polymethacrylate is selected, wherein the content of the polymethacrylate is 1.5-3.0%;
in the invention, in order to better improve the solubilization of the environment-friendly rare earth ion film-coated shock absorber oil composition, the preferable content of the dispersant is 1.5-3.8%, and the preferable content of the dispersant is 1.5-3.8% of boronized polyisobutylene succinimide;
in the present invention, in order to improve the low pour point and low temperature fluidity of the environment-friendly rare earth ion-coated shock absorber oil composition, the preferable content of the pour point depressant is 0.5 to 2.2%, and the preferable content of the poly α -olefin pour point depressant is 0.5 to 2.2%.
The invention is further illustrated by the following examples:
the total weight of the environment-friendly rare earth ion coated shock absorber oil composition in each embodiment is 1000kg, and the components are mixed according to the total fraction of 1000 parts.
Example 1
Firstly, 920.3 parts of base oil meeting the viscosity standard of the environment-friendly rare earth ion coated shock absorber oil composition is prepared, the base oil is heated to 65 ℃ and stirred for 45min, then 20 parts of friction improvement oiliness agent, 3 parts of metal deactivator, 3 parts of high-temperature antioxidant, 16 parts of dispersant, 6 parts of pour point depressant, 15 parts of nano boronized rare earth ion coating agent, 16 parts of viscosity index improver polymethacrylate, 0.2 part of antifoaming agent and 0.5 part of demulsifier are added into the base oil, and the mixture is continuously stirred for 60min at 65 ℃ to obtain the environment-friendly rare earth ion coated shock absorber oil composition marked as B1.
Example 2
Firstly, 908.3 parts of base oil meeting the viscosity standard of the environment-friendly rare earth ion coated shock absorber oil composition are prepared, the base oil is heated to 65 ℃ and stirred for 45min, then 20 parts of friction improvement oiliness agent, 4 parts of metal deactivator, 3 parts of high-temperature antioxidant, 17 parts of dispersant, 11 parts of pour point depressant, 18 parts of nano boronized rare earth ion coating agent, 18 parts of viscosity improver polymethacrylate, 0.2 part of antifoaming agent and 0.5 part of demulsifier are added into the base oil, and the mixture is continuously stirred for 60min at 65 ℃ to obtain the environment-friendly rare earth ion coated shock absorber oil composition of the embodiment, which is marked as B2.
Example 3
Firstly, 903.3 parts of base oil meeting the viscosity standard of the environment-friendly rare earth ion coated shock absorber oil composition are prepared, the base oil is heated to 65 ℃ and stirred for 45min, then 20 parts of friction improvement oiliness agent, 4 parts of metal deactivator, 3 parts of high-temperature antioxidant, 17 parts of dispersant, 13 parts of pour point depressant, 20 parts of nano boronized rare earth ion coating agent, 19 parts of viscosity improver polymethacrylate, 0.2 part of antifoaming agent and 0.5 part of demulsifier are added into the base oil, and the mixture is continuously stirred for 60min at 65 ℃ to obtain the environment-friendly rare earth ion coated shock absorber oil composition of the embodiment, wherein B is marked as 3.
Example 4
Firstly, 898.3 parts of base oil meeting the viscosity standard of the environment-friendly rare earth ion coated shock absorber oil composition are prepared, the base oil is heated to 65 ℃ and stirred for 45min, then 20 parts of friction improvement oiliness agent, 4 parts of metal deactivator, 3 parts of high-temperature antioxidant, 17 parts of dispersant, 15 parts of pour point depressant, 22 parts of nano boronized rare earth ion coating agent, 20 parts of viscosity improver polymethacrylate, 0.2 part of antifoaming agent and 0.5 part of demulsifier are added into the base oil, and the mixture is continuously stirred for 60min at 65 ℃ to obtain the environment-friendly rare earth ion coated shock absorber oil composition of the embodiment, wherein B is marked as 4.
Example 5
Firstly, 870.3 parts of base oil meeting the viscosity standard of the environment-friendly rare earth ion coated shock absorber oil composition are prepared, the base oil is heated to 65 ℃ and stirred for 45min, then 20 parts of friction improvement oiliness agent, 4 parts of metal deactivator, 3 parts of high-temperature antioxidant, 17 parts of dispersant, 22 parts of pour point depressant, 35 parts of nano boronized rare earth ion coating agent, 28 parts of viscosity improver polymethacrylate, 0.2 part of antifoaming agent and 0.5 part of demulsifier are added into the base oil, and the mixture is continuously stirred for 60min at 65 ℃ to obtain the environment-friendly rare earth ion coated shock absorber oil composition of the embodiment, wherein B is marked as 5.
Example 6
Firstly, 967.8 parts of base oil meeting the viscosity standard of the environment-friendly rare earth ion coated shock absorber oil composition are prepared, the base oil is heated to 65 ℃ and stirred for 45min, then 0.8 part of friction improvement oiliness agent, 0.2 part of metal deactivator, 0.5 part of high-temperature antioxidant, 10 parts of dispersant, 5 parts of pour point depressant, 1 part of extreme pressure antiwear agent, 14 parts of viscosity index improver, 0.2 part of antifoaming agent and 0.5 part of oil-water demulsifier are added into the base oil, and the mixture is continuously stirred for 60min at 65 ℃ to obtain the environment-friendly rare earth ion coated shock absorber oil composition disclosed by the embodiment and marked as Z1.
Example 7
Firstly, 693.5 parts of base oil meeting the viscosity standard of the environment-friendly rare earth ion coated shock absorber oil composition are prepared, the base oil is heated to 65 ℃ and stirred for 45min, then 50 parts of friction improvement oiliness agent, 8 parts of metal deactivator, 15 parts of high-temperature antioxidant, 50 parts of dispersant, 35 parts of pour point depressant, 93 parts of extreme pressure antiwear agent, 45 parts of viscosity index improver, 0.5 part of anti-foaming agent and 10 parts of oil-water demulsifier are added into the base oil, and the mixture is continuously stirred for 60min at 65 ℃ to obtain the environment-friendly rare earth ion coated shock absorber oil composition marked as Z2.
Wherein the additives in B1-B5 are in their preferred ranges and the additives in Z1-Z2 are at their respective minimum and maximum values.
The following performance tests were carried out on B1-B5 obtained in examples 1-5 and Z1-Z2 obtained in examples 6-7, respectively, and the test results are shown in Table 1 and Table 2, respectively.
(1) The PB values of B1-B5, Z1-Z2 were tested using the method disclosed in GB/T3142.
(2) The Timken passing composite values of B1-B5, Z1-Z2 were tested by the method disclosed in GB/T11144.
(3) The viscosity index values of B1-B5, Z1-Z2 were tested using the method disclosed in GB/T2541.
(4) The corrosion levels of B1-B5, Z1-Z2 on copper sheets were tested in the manner disclosed in GB/T5096.
(5) The flash point values of B1-B5, Z1-Z2 were tested in the manner disclosed in GB/T3536.
(6) The tilt values of B1-B5, Z1-Z2 were tested in the manner disclosed in GB/T3535.
(7) The low temperature flow values of B1-B5, Z1-Z2 were tested in the manner disclosed in GB/T3535.
TABLE 1
TABLE 2
As can be seen from the test results in Table 1, the test data of B5 in the data of the composition B1-B5 of the present invention is optimal and is higher than the standard required by the shock absorber oil of high-performance automobiles, and the environment-friendly rare earth ion coated shock absorber oil composition of the present invention has excellent abrasion resistance in abnormal wear state, excellent viscosity-temperature property and high shear property, excellent low viscosity and high viscosity index, excellent low-temperature fluidity, and high performance improvement in high and low temperature change frequent state, high frequency vibration and high shear state, and sudden impact and high wear state.
As can be seen from the test results in Table 2, Z1 is the test result when the additive is used in the lowest amount, which can meet the requirement of the common minimum requirement for the shock absorber oil; z2 is the test result when the additive takes the highest amount, and can completely achieve further upgrading to achieve the required high performance index of the shock absorber oil of the high performance automobile.
B1-B5 are embodiments with the content of the additive in the preferred range, and the comparison of the results of B1-B5 shows that the types and the contents of the components in the environment-friendly rare earth ion film-coated shock absorber oil composition are within the preferred range of the invention, the synergistic effect of the components in the environment-friendly rare earth ion film-coated shock absorber oil composition is enhanced, so that the various performances of the environment-friendly rare earth ion film-coated shock absorber oil composition are better; the test result of Z2 is also good, but in the test process, each index is not positively increased along with the increase of the dosage, but the increase speed of each index is slowed or not increased when the dosage is larger, so from the aspects of cost performance and environmental protection, when the content of the additive is in the optimal range, the environment-friendly rare earth ion film-coated shock absorber oil composition disclosed by the invention is more appropriate, the performance of the environment-friendly rare earth ion film-coated shock absorber oil composition is improved, and the high performance index required by the shock absorber oil of a high-performance automobile is met.
The invention has been described in an illustrative manner, and it is to be understood that the invention is not limited to the specific embodiments described above, but is intended to cover various modifications, which may be made by the methods and technical solutions of the invention, or may be applied to other applications without modification.
Claims (14)
1. The environment-friendly rare earth ion coated shock absorber oil composition is characterized by comprising the following components in percentage by weight:
friction improving oiliness agent: 0.08-5%;
extreme pressure antiwear agent: 0.1 to 9.3 percent;
metal deactivators: 0.02-0.8%;
high-temperature antioxidant: 0.05 to 1.5 percent;
and (3) anti-foaming agent: 0.02-0.05%;
oil-water demulsifier: 0.05-1%;
the adhesive finger improver comprises: 1.4-4.5%;
dispersing agent: 1 to 5 percent;
pour point depressant: 0.5-3.5%;
the rest is made up by base oil with well-mixed viscosity.
2. The environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 1, which is prepared from the following components in percentage by weight:
friction improving oiliness agent: 0.08-3.8%;
extreme pressure antiwear agent: 0.1 to 6.5 percent;
metal deactivators: 0.02-0.6%;
high-temperature antioxidant: 0.05 to 1.2 percent;
and (3) anti-foaming agent: 0.02-0.04%;
oil-water demulsifier: 0.05 to 0.8 percent;
the adhesive finger improver comprises: 1.5 to 3 percent;
dispersing agent: 1.5 to 3.8 percent;
pour point depressant: 0.5-2.2%;
the rest is made up by base oil with well-mixed viscosity.
3. The environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 1, wherein the base oil is prepared by blending 60N base oil and No. 3 white mineral oilThe viscosity range of the prepared base oil is 11-18mm at 40 DEG C2/s。
4. The environment-friendly rare earth ion-coated shock absorber oil composition as claimed in claim 1, wherein the friction improving oiliness agent is one or more of poly (linoleic acid), octadecyl benzotriazole amine salt, and sulfurized olefin cottonseed oil.
5. The environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 1, wherein the extreme pressure antiwear agent is a nano boronized rare earth ion coated agent.
6. The environment-friendly rare earth ion-coated shock absorber oil composition as claimed in claim 1, wherein the metal deactivator is one or more of thiadiazole derivative, liquid benzotriazole derivative, N-dialkylaminomethylene benzotriazole, and azetidinium anhydride.
7. The environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 1, wherein the high-temperature antioxidant is one or more of liquid high molecular weight phenol, 2, 6-di-tert-butyl-p-cresol, p' -dioctyldiphenylamine and didodecyldiphenylamine.
8. The environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 1, wherein the antifoaming agent is a composition of a No. 1 antifoaming agent and a No. 2 antifoaming agent, the component ratio is 1:1, the No. 1 antifoaming agent is a compound of acrylate and silicone oil, and the No. 2 antifoaming agent is a compound of acrylate and ether copolymer.
9. The environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 1, wherein the oil moisture demulsifier is one or more of diamine propylene oxide polymer and polyether high molecular compound.
10. The environment-friendly rare earth ion coated shock absorber oil composition as defined in claim 1, wherein the viscosity modifier is polymethacrylate.
11. The environment-friendly rare earth ion-coated shock absorber oil composition as claimed in claim 1, wherein the dispersant is one or more of boronated polyisobutylene succinimide, ashless phosphate ester, bis-polyisobutylene imide, boronated high molecular weight polyisobutylene diimide.
12. The environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 1, wherein the pour point depressant is poly α -olefin pour point depressant.
13. The preparation method of the environment-friendly rare earth ion coated shock absorber oil composition is characterized by comprising the following steps of:
(1) blending 60N base oil and No. 3 white mineral oil to obtain a mixture with viscosity of 11-18mm at 40 deg.C2A base oil per second.
(2) Putting the base oil obtained according to the percentage into a blending tank, and stirring for 40-60min at 60-70 ℃;
(3) sequentially putting the friction improvement oiliness agent, the metal deactivator, the high-temperature antioxidant, the dispersant, the pour point depressant, the extreme pressure antiwear agent, the viscosity improver, the antifoaming agent and the oil-water demulsifier which are obtained according to the percentage into a blending tank, and stirring and blending for 60-90min at the temperature of 60-70 ℃.
14. The method for preparing the environment-friendly rare earth ion coated shock absorber oil composition as claimed in claim 13, wherein the stirring method in the step (2) and the step (3) is a heating direct stirring method or a pulse blending method.
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