CN106833838B - Bio-based lubricating oil and preparation method thereof - Google Patents

Bio-based lubricating oil and preparation method thereof Download PDF

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Publication number
CN106833838B
CN106833838B CN201611207621.2A CN201611207621A CN106833838B CN 106833838 B CN106833838 B CN 106833838B CN 201611207621 A CN201611207621 A CN 201611207621A CN 106833838 B CN106833838 B CN 106833838B
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oil
parts
bio
stirring
lubricating oil
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CN106833838A (en
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张家胜
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Zhejiang Denver green Polytron Technologies Inc.
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ZHEJIANG DANFER WANGLI LUBRICANTS CO Ltd
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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
    • 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
    • C10M139/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00
    • C10M139/06—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing atoms of elements not provided for in groups C10M127/00 - C10M137/00 having a metal-to-carbon bond
    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • 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
    • 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
    • C10M2203/06—Well-defined aromatic compounds
    • 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
    • C10M2203/06—Well-defined aromatic compounds
    • C10M2203/065—Well-defined aromatic compounds used as base material
    • 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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
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    • 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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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/402—Castor oils
    • 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
    • C10M2209/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an acyloxy radical of saturated carboxylic or carbonic acid
    • C10M2209/062—Vinyl esters of saturated carboxylic or carbonic acids, e.g. vinyl acetate
    • 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
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/08—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having metal-to-carbon bonds
    • C10M2227/081—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having metal-to-carbon bonds with a metal carbon bond belonging to a ring, e.g. ferocene
    • 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
    • C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • C—CHEMISTRY; METALLURGY
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/16—Antiseptic; (micro) biocidal or bactericidal
    • C—CHEMISTRY; METALLURGY
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64—Environmental friendly compositions

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

The invention discloses a bio-based lubricating oil and a preparation method thereof, wherein the bio-based lubricating oil comprises, by weight, 83-85 parts of base oil, 1-2 parts of 2, 6-tert-butyl diphenol, 3-5 parts of octylbutyldiphenylamine, 3-5 parts of polymethacrylate, 1-3 parts of ethylene-propylene copolymer, 0.5-1 part of alkyl naphthalene, 0.1 part of dimethyl silicone oil, 3-4 parts of oxidized polyethylene wax, 0.5-0.7 part of sorbitan fatty acid ester, 1-3 parts of ferrocenemanganese formate and 8-10 parts of nano anion powder, and the base oil consists of bio-oil and poly α -olefin.

Description

Bio-based lubricating oil and preparation method thereof
Technical Field
The invention relates to the field of lubricating oil, in particular to bio-based lubricating oil and a preparation method thereof.
Background
With the development of economy and the continuous improvement of living standard of people, automobiles are more and more popular in China. The lubricating oil is composite oil with lubricating property for lubricating an automobile transmitter and reducing mechanical friction, and mainly comprises base oil and additives, wherein the base oil accounts for more than 80% of the lubricating oil, most of the base oil of the lubricating oil in the current market is mineral oil and synthetic oil, and although the lubricating property is excellent, the lubricating oil is not easy to degrade and treat after being used, so that the environmental pollution is caused; therefore, lubricating oils using bio-oil as a base oil, which are easily degradable after use and are environmentally friendly, are currently on the market, but the base oil is easily oxidized, and most of the base oil is bio-oil, so that the base oil is easily mildewed during storage, and thus, the lubricating oils using bio-oil as a base oil can also cause the generation of mold inside an engine during use, and the wear resistance of the lubricating oils using bio-oil as a base oil is not as good as that of the lubricating oils using mineral oil as a base oil.
Therefore, chinese patent No. CN105273815A discloses a vegetable lubricating oil, which uses vegetable oil as base oil and is added with graphite nano-powder to improve the wear resistance of the lubricating oil, but the above scheme still cannot solve the problem of difficult storage and easy mildew.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the bio-oil is difficult to store and easy to mildew in the prior art, thereby providing a bio-based lubricating oil and a preparation method thereof.
A bio-based lubricating oil comprises the following components in parts by weight:
83-85 parts of base oil, 1-2 parts of 2, 6-di-tert-butylphenol, 3-5 parts of octylbutyldiphenylamine, 3-5 parts of polymethacrylate, 1-3 parts of ethylene-propylene copolymer, 0.5-1 part of alkyl naphthalene, 0.1 part of dimethyl silicone oil, 3-4 parts of oxidized polyethylene wax, 0.5-0.7 part of sorbitan fatty acid ester, 1-3 parts of ferrocenemanganese formate and 8-10 parts of nano negative ion powder;
wherein the base oil consists of bio-oil and poly α -olefin.
In the base oil, the mass ratio of the bio-oil to the poly α -olefin is 7: 3.
The bio-based lubricating oil comprises the following components in parts by weight:
84 parts of base oil, 1 part of 2, 6-di-tert-butylphenol, 4 parts of octylbutyldiphenylamine, 4 parts of polymethacrylate, 3 parts of ethylene-propylene copolymer, 0.8 part of alkyl naphthalene, 0.1 part of dimethyl silicone oil, 4 parts of oxidized polyethylene wax, 0.7 part of sorbitan fatty acid ester, 3 parts of ferrocenemanganese formate and 10 parts of nano negative ion powder.
The bio-oil comprises 60% of polyolefin, 20% of castor oil and 20% of alkylbenzene in percentage by mass.
The anion generating amount of the nanometer anion powder is 30000ions, and the average mesh number is 4000 meshes.
A preparation method of bio-based lubricating oil comprises the following steps:
according to the selected mass ratio, adding octylbutyldiphenylamine and 2, 6-di-tert-butylphenol into a basic mixture, and stirring for 10min at the temperature of 50 ℃ to obtain antioxidant oil;
heating the anti-oxidation oil with the volume of 1/5 to 50 ℃, adding oxidized polyethylene wax and sorbitan fatty acid ester, stirring for 5min, adding nano anion powder and ferrocenemanganese formate, and stirring for 20min to obtain the antibacterial wear-resistant additive;
heating the rest of the anti-oxidation oil to 70 ℃, sequentially adding polymethacrylate, ethylene-propylene copolymer, alkyl naphthalene and dimethyl silicone oil, stirring for 30min at 70 ℃ to obtain base mixed oil, adding the antibacterial wear-resistant additive into the anti-oxidation oil under a stirring state, and stirring for 10min at 70 ℃ to obtain the bio-based lubricating oil;
wherein the base oil consists of bio-oil and poly α -olefin.
After the temperature of the antibacterial wear-resistant additive is raised to 70 ℃, ultrasonic treatment is carried out for 10min at the water bath temperature of 70 ℃, and the antibacterial wear-resistant additive is added into the base mixed oil under the stirring state.
The mass ratio of the bio-oil to the poly α -olefin is 7: 3.
The bio-oil comprises 60% of polyolefin, 20% of castor oil and 20% of alkylbenzene in percentage by mass.
The anion generating amount of the nanometer anion powder is 30000ions, and the average mesh number is 4000 meshes.
The technical scheme of the invention has the following advantages:
in the bio-based lubricating oil provided by the invention, vegetable oil is used as base oil, so that the lubricating oil is easy to degrade after being used, and cannot pollute the environment, meanwhile, poly α -olefin is added into the base oil to increase the viscosity of the lubricating oil, so that the lubricating oil property of the lubricating oil is improved, as can be seen from the table 1 in the embodiment, the kinematic viscosity of the bio-based lubricating oil disclosed by the invention can reach 13-16mm2/s, the performances of other lubricating oils completely accord with the national standard, and the selected alkylbenzene is low in price and wide in source;
the nano negative ion powder and the ferrocenemanganese formate are added into the bio-based lubricating oil, wherein the nano negative ion powder can ionize air to release negative ions to play a role in sterilization, is in a nano level, can effectively play a role in lubrication and abrasion resistance, and can effectively inhibit the generation of mold by matching with the ferrocenemanganese formate which also has a sterilization function. In addition, the applicant finds that the lubricating effect of the lubricating oil is greatly improved by simultaneously adopting the nano negative ion powder and the ferrocenemanganese formate.
In the preparation method of the bio-based lubricating oil disclosed by the invention, firstly, the vegetable oil is mixed with the antioxidant 2, 6-di-tert-butylphenol and octylbutyldiphenylamine, so that the oxidation of the vegetable oil is effectively prevented, and meanwhile, the nano negative ion powder is mixed with the base oil containing high-concentration oxidized polyethylene wax and sorbitan fatty acid ester, so that the nano negative ion powder is prevented from being agglomerated, and the nano negative ion powder can be uniformly dispersed in the lubricating oil.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1
The present example provides a bio-based lubricating oil comprising the following components:
84Kg of base oil, 1Kg of 2, 6-di-tert-butylphenol, 4Kg of octylbutyldiphenylamine, 4Kg of polymethacrylate, 3Kg of ethylene-propylene copolymer, 0.8Kg of alkyl naphthalene, 0.1Kg of dimethyl silicone oil, 4Kg of oxidized polyethylene wax, 0.7Kg of sorbitan fatty acid ester, 3Kg of ferrocenemanganese formate and 10Kg of nano anion powder;
wherein the base oil comprises bio-oil and poly α -olefin in a mass ratio of 7: 3;
the anion generating amount of the nanometer anion powder is 30000ions, and the average mesh number is 4000 meshes.
The embodiment provides a preparation method of bio-based lubricating oil, which comprises the following steps:
(1) filtering the base oil, filtering impurities in the base oil, adding 2, 6-di-tert-butylphenol and octylbutyldiphenylamine, heating to 50 ℃, and stirring for 10min to obtain antioxidant oil;
(2) heating the anti-oxidation oil with the volume of 1/5 to 50 ℃, adding oxidized polyethylene wax and sorbitan fatty acid ester, stirring for 5min, adding nano anion powder and ferrocenemanganese formate, and stirring for 20min by adopting a high-speed disperser to obtain the antibacterial wear-resistant additive;
(3) heating the rest antioxidant oil to 70 ℃, sequentially adding polymethacrylate, ethylene-propylene copolymer, alkyl naphthalene and dimethyl silicone oil, and stirring for 30min at 70 ℃ to obtain mixed base mixed oil;
(4) heating the antibacterial wear-resistant additive to 70 ℃, placing the mixture in an ultrasonic device with a water bath temperature of 70 ℃, carrying out ultrasonic treatment for 10min, adding the antibacterial wear-resistant additive into the base mixed oil while stirring the base oil, heating the mixture to 70 ℃, and stirring the mixture for 10min to obtain the biological lubricating oil.
Example 2
The present example provides a bio-based lubricating oil comprising the following components:
83Kg of base oil, 2Kg of 2, 6-di-tert-butylphenol, 5Kg of octylbutyldiphenylamine, 3Kg of polymethacrylate, 2Kg of ethylene-propylene copolymer, 0.5Kg of alkyl naphthalene, 0.1Kg of dimethyl silicone oil, 4Kg of oxidized polyethylene wax, 0.5Kg of sorbitan fatty acid ester, 1Kg of ferrocenemanganese formate and 8Kg of nano anion powder;
wherein the base oil comprises 7:3 mass ratio of bio-oil and poly α -olefin, the bio-oil comprises 60% of polyolefin, 20% of castor oil and 20% of alkylbenzene;
the anion generating amount of the selected nanometer anion powder is 30000ions, and the average mesh number is 4000 meshes.
The embodiment provides a preparation method of bio-based lubricating oil, which comprises the following steps:
according to the mass of the components,
(1) filtering the base oil, filtering impurities in the base oil, adding 2, 6-di-tert-butylphenol and octylbutyldiphenylamine, heating to 50 ℃, and stirring for 10min to obtain antioxidant oil;
(2) heating the anti-oxidation oil with the volume of 1/5 to 50 ℃, adding oxidized polyethylene wax and sorbitan fatty acid ester, stirring for 5min, adding nano anion powder and ferrocenemanganese formate, and stirring for 20min by adopting a high-speed disperser to obtain the antibacterial wear-resistant additive;
(3) heating the rest antioxidant oil to 70 ℃, sequentially adding polymethacrylate, ethylene-propylene copolymer, alkyl naphthalene and dimethyl silicone oil, and stirring for 30min at 70 ℃ to obtain mixed base mixed oil;
(4) adding the antibacterial and wear-resistant additive into the base mixed oil while stirring the base oil, heating to 70 ℃, and stirring for 10min to obtain the biological lubricating oil.
Example 3
The present example provides a bio-based lubricating oil comprising the following components:
85Kg of base oil, 2Kg of 2, 6-di-tert-butylphenol, 5Kg of octylbutyldiphenylamine, 3Kg of polymethacrylate, 1Kg of ethylene-propylene copolymer, 1Kg of alkyl naphthalene, 0.1Kg of dimethyl silicone oil, 3Kg of oxidized polyethylene wax, 0.7Kg of sorbitan fatty acid ester, 3Kg of ferrocenemanganese formate and 10Kg of nano anion powder;
wherein the base oil comprises 7:3 mass ratio of bio-oil and poly α -olefin, the bio-oil comprises 60% of polyolefin, 20% of castor oil and 20% of alkylbenzene;
the anion generating amount of the selected nanometer anion powder is 30000ions, and the average mesh number is 4000 meshes.
A bio-based lubricant was prepared according to the weight of the above components and the preparation method disclosed in example 1.
Example 4
The present example provides a bio-based lubricating oil comprising the following components:
85Kg of base oil, 2Kg of 2, 6-di-tert-butylphenol, 4Kg of octylbutyldiphenylamine, 4Kg of polymethacrylate, 2Kg of ethylene-propylene copolymer, 0.7Kg of alkyl naphthalene, 0.1Kg of dimethyl silicone oil, 3Kg of oxidized polyethylene wax, 0.7Kg of sorbitan fatty acid ester, 2Kg of ferrocenemanganese formate and 9Kg of nano anion powder;
wherein the base oil comprises 7:3 mass ratio of bio-oil and poly α -olefin, the bio-oil comprises 60% of polyolefin, 20% of castor oil and 20% of alkylbenzene;
the anion generating amount of the selected nanometer anion powder is 30000ions, and the average mesh number is 4000 meshes.
A bio-based lubricant was prepared according to the weight of the above components and the preparation method disclosed in example 1.
Comparative example 1
The present example provides a bio-based lubricating oil comprising the following components:
84Kg of base oil, 1Kg of 2, 6-di-tert-butylphenol, 4Kg of octylbutyldiphenylamine, 4Kg of polymethacrylate, 3Kg of ethylene-propylene copolymer, 0.8Kg of alkyl naphthalene, 0.1Kg of dimethyl silicone oil, 4Kg of oxidized polyethylene wax and 0.7Kg of sorbitan fatty acid ester;
wherein the base oil comprises 7:3 bio-oil and poly α -olefin by mass, and the bio-oil comprises 60% of polyolefin, 20% of castor oil and 20% of alkylbenzene.
The embodiment provides a preparation method of bio-based lubricating oil, which comprises the following steps:
according to the mass of the components,
(1) filtering the base oil, filtering impurities in the base oil, adding 2, 6-di-tert-butylphenol and octylbutyldiphenylamine, heating to 50 ℃, and stirring for 10min to obtain antioxidant oil;
(2) heating the antioxidant oil to 70 ℃, sequentially adding polymethacrylate, ethylene-propylene copolymer, alkyl naphthalene, dimethyl silicone oil, oxidized polyethylene wax and sorbitan fatty acid ester, and stirring for 30min at 70 ℃ to obtain the biological lubricating oil.
Comparative example 2
The present example provides a bio-based lubricating oil comprising the following components:
84Kg of base oil, 1Kg of 2, 6-di-tert-butylphenol, 4Kg of octylbutyldiphenylamine, 4Kg of polymethacrylate, 3Kg of ethylene-propylene copolymer, 0.8Kg of alkyl naphthalene, 0.1Kg of dimethyl silicone oil, 4Kg of oxidized polyethylene wax, 0.7Kg of sorbitan fatty acid ester and 10Kg of nano anion powder;
wherein the base oil comprises 7:3 mass ratio of bio-oil and poly α -olefin, the bio-oil comprises 60% of polyolefin, 20% of castor oil and 20% of alkylbenzene;
the anion generating amount of the selected nanometer anion powder is 30000ions, and the average mesh number is 4000 meshes.
The embodiment provides a preparation method of bio-based lubricating oil, which comprises the following steps:
(1) filtering the base oil, filtering impurities in the base oil, adding 2, 6-di-tert-butylphenol and octylbutyldiphenylamine, heating to 50 ℃, and stirring for 10min to obtain antioxidant oil;
(2) heating 1/5 volume of antioxidant oil to 50 deg.C, adding oxidized polyethylene wax and sorbitan fatty acid ester, stirring for 5min, adding nanometer negative ion powder, and stirring with high speed disperser for 20min to obtain antibacterial wear-resistant additive;
(3) heating the rest antioxidant oil to 70 ℃, sequentially adding polymethacrylate, ethylene-propylene copolymer, alkyl naphthalene and dimethyl silicone oil, and stirring for 30min at 70 ℃ to obtain mixed base mixed oil;
(4) heating the antibacterial wear-resistant additive to 70 ℃, placing the mixture in an ultrasonic device with a water bath temperature of 70 ℃, carrying out ultrasonic treatment for 10min, adding the antibacterial wear-resistant additive into the base mixed oil while stirring the base oil, heating the mixture to 70 ℃, and stirring the mixture for 10min to obtain the biological lubricating oil.
Experimental example 1
Kinematic viscosity of the bio-based lubricating oils prepared in examples 1 to 4 was measured by the method disclosed in GB/T265, viscosity index was measured by the method disclosed in GB/T1995, flash point and pour point were measured by the methods disclosed in GB/T3536 and GB/T3535, respectively, mechanical impurities were measured by the method disclosed in GB/T511, moisture was measured by the method disclosed in GB/T260, foamability was measured by the method disclosed in GB/T12579, and the results of the measurements are shown in Table 1.
As can be seen from the data in Table 1, the kinematic viscosity, viscosity index, flash point, pour point, mechanical impurities, water content, and foamability of the bio-based lubricating oils prepared in examples 1-4 all meet the specifications for the above properties of the lubricating oil in GB11121-2006 gasoline engine oil.
TABLE 1
Figure GDA0002230744270000091
Experimental example 2
The abrasion resistance of example 1 and comparative examples 1 and 2 was examined.
Detection conditions are as follows: a Bruk friction tester and a four-ball friction pair, wherein the temperature is room temperature, the speed is 1200 +/-30 rpm, the load is 245N, the time is 30min, the steel ball material GCr15 is 12.7mm in diameter, and the hardness is 61-63 HRC; testing oil: the bio-based lubricant prepared in example 1 and the bio-based lubricants prepared in comparative examples 1 and 2.
The test comprises the following specific steps:
(1) cleaning steel balls for tests, ball feeding fixtures, oil boxes and parts in contact with test oil samples by using petroleum ether;
(2) turning on a power supply, adjusting the rotating speed of a main shaft to 1200 +/-30 rpm, and idling for 1-2 min;
(3) putting three test steel balls into an oil box, and pouring test oil into the oil box to immerse the steel balls;
(4) installing the oil box on an experiment seat of a friction tester, controlling the temperature of test oil in the oil box to be at room temperature, and loading;
(5) starting a friction tester, and testing for 30 min;
(6) and observing the test steel ball under a microscope, and measuring the wear scar diameter of the test steel ball.
The Wear Scar Diameters (WSD) of the bio-based lubricant prepared in example 1 and the bio-based lubricant prepared in the comparative example at different loads are compared as shown in table 2.
As can be seen from table 2, the wear scar diameter of the test steel ball in the bio-based lubricant prepared in example 1 is significantly smaller than the wear scar diameter of the test steel ball in the bio-based lubricants prepared in comparative examples 1 and 2 under the same load.
Experimental example 3
And (3) mould test:
strain: aspergillus
Respectively taking 3 parts of 200g of sandcastle agar, heating to 60 ℃, adding 20g of the bio-based lubricating oil prepared in example 1, comparative example 1 or comparative example 2 into each part of sandcastle agar, cooling to room temperature, sterilizing to obtain three culture mediums, respectively placing the three culture mediums into an aseptic surface dish under aseptic operation, drawing lines on the three culture mediums by using aspergillus, and culturing the three culture mediums in a strain incubator at the temperature of 27 ℃ for three days.
After three days, the medium containing the bio-based lubricant prepared in example 1 was observed to have no mold formation, whereas the medium containing comparative example 1 and the bio-based lubricant prepared in comparative example 2 had more mold.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims (8)

1. The bio-based lubricating oil is characterized by comprising the following components in parts by weight:
83-85 parts of base oil, 1-2 parts of 2, 6-di-tert-butylphenol, 3-5 parts of octylbutyldiphenylamine, 3-5 parts of polymethacrylate, 1-3 parts of ethylene-propylene copolymer, 0.5-1 part of alkyl naphthalene, 0.1 part of dimethyl silicone oil, 3-4 parts of oxidized polyethylene wax, 0.5-0.7 part of sorbitan fatty acid ester, 1-3 parts of ferrocenemanganese formate and 8-10 parts of nano negative ion powder;
wherein the base oil consists of bio-oil and poly α -olefin, and the mass ratio of the bio-oil to the poly α -olefin is 7: 3.
2. The bio-based lubricating oil of claim 1, comprising the following components in parts by weight:
84 parts of base oil, 1 part of 2, 6-di-tert-butylphenol, 4 parts of octylbutyldiphenylamine, 4 parts of polymethacrylate, 3 parts of ethylene-propylene copolymer, 0.8 part of alkyl naphthalene, 0.1 part of dimethyl silicone oil, 4 parts of oxidized polyethylene wax, 0.7 part of sorbitan fatty acid ester, 3 parts of ferrocenemanganese formate and 10 parts of nano negative ion powder.
3. The bio-based lubricating oil according to claim 1 or 2, wherein the bio-oil comprises, in mass percent, 60% polyolefin, 20% castor oil, and 20% alkylbenzene.
4. The bio-based lubricating oil according to claim 1 or 2, wherein the nano negative ion powder has a negative ion generation amount of 30000ions and an average mesh number of 4000 meshes.
5. A method of making the bio-based lubricating oil of any one of claims 1-4, comprising the steps of:
according to the selected mass ratio, adding octylbutyldiphenylamine and 2, 6-di-tert-butylphenol into a basic mixture, and stirring for 10min at the temperature of 50 ℃ to obtain antioxidant oil;
heating the anti-oxidation oil with the volume of 1/5 to 50 ℃, adding oxidized polyethylene wax and sorbitan fatty acid ester, stirring for 5min, adding nano anion powder and ferrocenemanganese formate, and stirring for 20min to obtain the antibacterial wear-resistant additive;
heating the rest of the anti-oxidation oil to 70 ℃, sequentially adding polymethacrylate, ethylene-propylene copolymer, alkyl naphthalene and dimethyl silicone oil, stirring for 30min at 70 ℃ to obtain base mixed oil, adding the antibacterial wear-resistant additive into the anti-oxidation oil under a stirring state, and stirring for 10min at 70 ℃ to obtain the bio-based lubricating oil;
wherein the base oil consists of bio-oil and poly α -olefin.
6. The preparation method according to claim 5, wherein the antibacterial wear-resistant additive is added to the base mixed oil under stirring after being heated to 70 ℃ and subjected to ultrasonic treatment for 10min at a water bath temperature of 70 ℃.
7. The method of claim 5, wherein the bio-oil comprises 60% polyolefin, 20% castor oil, and 20% alkylbenzene by weight.
8. The method according to claim 5, wherein the nano negative ion powder has a negative ion generation amount of 30000ions and an average mesh number of 4000 meshes.
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