CN113930279A - Biodegradable plant-based anti-wear lubricating oil and preparation method thereof - Google Patents
Biodegradable plant-based anti-wear lubricating oil and preparation method thereof Download PDFInfo
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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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- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/087—Boron oxides, acids or salts
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/003—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions used as base material
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
- C10M2209/082—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 monocarboxylic
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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
- 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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- 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
- 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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- 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
- 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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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/049—Phosphite
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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
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- 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
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- 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
- C10N2030/64—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 provides biodegradable plant-based anti-wear lubricating oil which at least comprises the following raw material components in parts by mass: 20-35 parts of low-viscosity plant-based polyolefin base oil, 60-80 parts of high-viscosity plant-based polyolefin base oil and 1-3 parts of modified molybdenum disulfide. The modified nano molybdenum disulfide can ensure that the lubricating oil has excellent wear resistance and friction reduction, can effectively reduce the friction among engine parts, improves the mileage and durability of gasoline, and ensures that the engine has extreme performance. The selected plant-based polyolefin base oil has better environmental protection performance.
Description
Technical Field
The invention relates to biodegradable plant-based anti-wear lubricating oil and a preparation method thereof, in particular to plant-based polyolefin lubricating oil. In particular, it relates to international patent classification No. C10M.
Background
The oil change period of lubricating oil in China is generally 5000-10000 km, and in order to save energy, products capable of prolonging the oil change period are searched.
Plant-based Polyolefins (PAOs) are produced by polymerization of ethylene to produce alpha-olefins, which are further polymerized and hydrogenated. It is the most common synthetic lubricating oil base oil and has the widest application range. The plant-based polyolefin synthetic oil (PAO for short) has good viscosity-temperature performance and low-temperature fluidity, and is ideal base oil for preparing high-grade and special lubricating oil. If the alpha olefin is decene, it is also referred to as polydecene; if the alpha olefin is dodecene, it is also referred to as polydodecene.
Most of traditional lubricating oil is plant-based polyolefin lubricating oil which plays a great role in the past industrial field, but plant-based polyolefin is difficult to biodegrade and is almost remained in the environment for a long time, the lubricating oil remained in the environment inevitably causes serious pollution to the environment, and from the development trend, the environment-friendly lubricating oil with biodegradability can replace the existing lubricating oil.
Disclosure of Invention
In order to solve the problems, the invention provides biodegradable plant-based anti-wear lubricating oil, which comprises the following raw material components in parts by mass:
20-35 parts of low-viscosity plant-based polyolefin base oil, 60-80 parts of high-viscosity plant-based polyolefin base oil and 1-3 parts of modified molybdenum disulfide.
The plant-based polyolefin lubricating oil also comprises 0.1-3 parts of detergent dispersant, 1-5 parts of extreme pressure antiwear agent, 0.01-0.8 part of diphenylamine antioxidant and 0.3-1 part of defoaming agent.
The low-viscosity plant-based polyolefin base oil has a viscosity of 3-5mm at 100 DEG C2/s。
The viscosity of the high-viscosity plant-based polyolefin base oil at 100 ℃ is 25-40mm2/s。
The detergent dispersant is one or more selected from polyisobutylene succinimide, boronized polyisobutylene succinimide, polyisobutylene succinate, diene succinimide and mono-olefin succinimide.
The extreme pressure antiwear agent comprises one or more of phosphate, alkyl phosphite, alkyl phosphate amine salt, acidic phosphate amine salt, dibenzyl disulfide and borate;
the diphenylamine antioxidant is selected from one or more of 4,4' -dimethyldiphenylamine, 2-octyldiphenylamine, 4-tert-butyl-N-phenylaniline, 4' -dioctyldiphenylamine, o-methyl-m-hydroxydiphenylamine, 4' -di (phenylisopropyl) diphenylamine, 2, 4-dimethyldiphenylamine, 4-octyldiphenylamine and octylbutyldiphenylamine.
The preparation steps of the modified molybdenum disulfide are as follows:
(1) mixing nano molybdenum disulfide and nano graphene in a sulfuric acid phosphoric acid mixed solution, cooling to room temperature, standing, filtering and drying to obtain a molybdenum disulfide graphene compound;
(2) dispersing the molybdenum disulfide graphene compound in a mixed solution of ethanol and water, adding a vinyl silane coupling agent, refluxing, stirring and mixing for 10-15 hours in a water bath at 70-80 ℃ under the condition of ultraviolet light, standing, filtering and drying to obtain the modified molybdenum disulfide.
The mass ratio of the nano molybdenum disulfide to the nano graphene is 1: 1-4.
A preparation method of biodegradable plant-based anti-wear lubricating oil comprises the following steps:
mixing 20-35 parts of low-viscosity plant-based polyolefin base oil, 60-80 parts of high-viscosity plant-based polyolefin base oil and 1-3 parts of modified molybdenum disulfide to prepare the plant-based polyolefin lubricating oil.
The invention has the beneficial effects that: the modified nano molybdenum disulfide can ensure that the lubricating oil has excellent wear resistance and friction reduction, can effectively reduce the friction among engine parts, improves the mileage and durability of gasoline, and ensures that the engine has extreme performance. The selected plant-based polyolefin base oil has better environmental protection performance. The plant degradable group is introduced into the polyolefin chain segment of the plant-based polyolefin base oil, so that the degradability of the base oil is ensured.
The above-described and other features, aspects, and advantages of the present application will become more apparent with reference to the following detailed description.
Detailed Description
The disclosure may be understood more readily by reference to the following detailed description of preferred embodiments of the invention and the examples included therein. In the following specification and claims, reference will be made to a number of terms which shall be defined to have the following meanings.
The terms "comprises," "comprising," "includes," "including," "has," "having," "contains," "containing," or any other variation thereof, as used herein, are intended to cover a non-exclusive inclusion. For example, a composition, process, method, article, or apparatus that comprises a list of elements is not necessarily limited to only those elements but may include other elements not expressly listed or inherent to such composition, process, method, article, or apparatus.
When an amount, concentration, or other value or parameter is expressed as a range, preferred range, or as a range of upper preferable values and lower preferable values, this is to be understood as specifically disclosing all ranges formed from any pair of any upper range limit or preferred value and any lower range limit or preferred value, regardless of whether ranges are separately disclosed. For example, when the range "1 ~ 5" is disclosed, the ranges described should be construed to include the ranges "1 ~ 4", "1 ~ 3", "1 ~ 2 and 4 ~ 5", "1 ~ 3 and 5", and the like. When a range of values is described herein, unless otherwise stated, the range is intended to include the endpoints thereof and all integers and fractions within the range.
Reference will now be made in detail to exemplary embodiments of the invention, examples of which are described below. While the invention will be described in conjunction with the exemplary embodiments, it will be understood that the description is not intended to limit the invention to these exemplary embodiments. On the contrary, the invention is intended to cover not only these exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments within the spirit and scope of the invention as defined by the appended claims.
The invention is further described below by way of embodiments and examples.
The biodegradable plant-based anti-wear lubricating oil at least comprises the following raw material components in parts by mass:
20-35 parts of low-viscosity plant-based polyolefin base oil, 60-80 parts of high-viscosity plant-based polyolefin base oil and 1-3 parts of modified molybdenum disulfide.
The plant-based polyolefin lubricating oil also comprises 0.1-3 parts of detergent dispersant, 1-5 parts of extreme pressure antiwear agent, 0.01-0.8 part of diphenylamine antioxidant and 0.3-1 part of defoaming agent.
The low-viscosity plant-based polyolefin base oil has a viscosity of 3-5mm at 100 DEG C2/s。
The viscosity of the high-viscosity plant-based polyolefin base oil at 100 ℃ is 25-40mm2/s。
The detergent dispersant is one or more selected from polyisobutylene succinimide, boronized polyisobutylene succinimide, polyisobutylene succinate, diene succinimide and mono-olefin succinimide.
The extreme pressure antiwear agent comprises one or more of phosphate, alkyl phosphite, alkyl phosphate amine salt, acidic phosphate amine salt, dibenzyl disulfide and borate;
the diphenylamine antioxidant is selected from one or more of 4,4' -dimethyldiphenylamine, 2-octyldiphenylamine, 4-tert-butyl-N-phenylaniline, 4' -dioctyldiphenylamine, o-methyl-m-hydroxydiphenylamine, 4' -di (phenylisopropyl) diphenylamine, 2, 4-dimethyldiphenylamine, 4-octyldiphenylamine and octylbutyldiphenylamine.
The preparation steps of the modified molybdenum disulfide are as follows:
(1) mixing nano molybdenum disulfide and nano graphene in a sulfuric acid phosphoric acid mixed solution, cooling to room temperature, standing, filtering and drying to obtain a molybdenum disulfide graphene compound;
(2) dispersing the molybdenum disulfide graphene compound in a mixed solution of ethanol and water, adding a vinyl silane coupling agent, refluxing, stirring and mixing for 10-15 hours in a water bath at 70-80 ℃ under the condition of ultraviolet light, standing, filtering and drying to obtain the modified molybdenum disulfide.
The mass ratio of the nano molybdenum disulfide to the nano graphene is 1: 1-4.
A preparation method of biodegradable plant-based anti-wear lubricating oil comprises the following steps:
mixing 20-35 parts of low-viscosity plant-based polyolefin base oil, 60-80 parts of high-viscosity plant-based polyolefin base oil and 1-3 parts of modified molybdenum disulfide to prepare the plant-based polyolefin lubricating oil.
The particle sizes of the nano molybdenum disulfide and the nano graphene are 50-200 nanometers. The low viscosity vegetable-based polyolefin base oil has a viscosity of 4mm at 100 DEG C2And s. High viscosityThe viscosity of the vegetable-based polyolefin base oil at 100 ℃ is 30mm2/s。
Other materials are commercially available.
Example 1
25 parts of low-viscosity plant-based polyolefin base oil, 75 parts of high-viscosity plant-based polyolefin base oil, 2 parts of modified molybdenum disulfide, 1 part of detergent dispersant, 2 parts of extreme pressure antiwear agent, 0.2 part of diphenylamine antioxidant and 0.5 part of defoaming agent. In the modified molybdenum disulfide, the mass ratio of the nano molybdenum disulfide to the nano graphene is 1: 2.
the lubricating oil was subjected to a four-ball wear scar diameter test according to GB/T3142, and the PD of this example was 375KG and the wear scar diameter was 0.376 mm.
Example 2
25 parts of low-viscosity plant-based polyolefin base oil, 75 parts of high-viscosity plant-based polyolefin base oil, 3 parts of modified molybdenum disulfide, 2 parts of a detergent dispersant, 1 part of an extreme pressure antiwear agent, 0.3 part of a diphenylamine antioxidant and 0.7 part of a defoaming agent. In the modified molybdenum disulfide, the mass ratio of the nano molybdenum disulfide to the nano graphene is 1: 1.
the lubricating oil was subjected to a four-ball wear scar diameter test according to GB/T3142, and the PD of this example was 400KG and the wear scar diameter was 0.411 mm.
Comparative example 1
The method is the same as the embodiment 1, the modified molybdenum disulfide is replaced by the nano molybdenum disulfide and the nano graphene, and the mass ratio of the nano molybdenum disulfide to the nano graphene is 1: 1.
the lubricating oil was subjected to a four-ball wear scar diameter test according to GB/T3142, and the PD of this example was 315KG, and the wear scar diameter was 0.643 mm.
Comparative example 2
The preparation was carried out as in example 1, without UV light.
The lubricating oil was subjected to a four-ball wear scar diameter test according to GB/T3142, and the PD of this example was 300KG and the wear scar diameter was 0.734 mm.
Comparative example 3
As in example 1, no modified molybdenum disulfide was used.
The lubricating oil was subjected to a four-ball wear scar diameter test according to GB/T3142, and the PD of this example was 250KG and the wear scar diameter was 0.790 mm.
The modified nano molybdenum disulfide can ensure that the lubricating oil has excellent wear resistance and friction reduction, can effectively reduce the friction among engine parts, improves the mileage and durability of gasoline, and ensures that the engine has extreme performance. The selected plant-based polyolefin base oil has better environmental protection performance.
The foregoing examples are illustrative only, and serve to explain some of the features of the present disclosure. The appended claims are intended to claim as broad a scope as is contemplated, and the examples presented herein are merely illustrative of selected implementations in accordance with all possible combinations of examples. Accordingly, it is applicants' intention that the appended claims are not to be limited by the choice of examples illustrating features of the invention. And that advances in science and technology will result in possible equivalents or sub-substitutes not currently contemplated for reasons of inaccuracy in language representation, and such changes should also be construed where possible to be covered by the appended claims.
Claims (10)
1. The biodegradable plant-based anti-wear lubricating oil is characterized by comprising the following raw material components in parts by mass:
20-35 parts of low-viscosity plant-based polyolefin base oil, 60-80 parts of high-viscosity plant-based polyolefin base oil and 1-3 parts of modified molybdenum disulfide.
2. The biodegradable plant-based antiwear lubricating oil of claim 1, wherein the plant-based polyolefin lubricating oil further comprises 0.1-3 parts of a detergent dispersant, 1-5 parts of an extreme pressure antiwear agent, 0.01-0.8 part of a diphenylamine antioxidant, and 0.3-1 part of a defoaming agent.
3. The biodegradable plant-based antiwear lubricating oil according to claim 1, wherein the low viscosity plant-based polyolefin base oil has a viscosity of 3 to 5mm at 100 ℃2/s。
4. The process of claim 1The biodegradable plant-based antiwear lubricating oil is characterized in that the viscosity of the high-viscosity plant-based polyolefin base oil at 100 ℃ is 25-40mm2/s。
5. The biodegradable plant-based antiwear lubricating oil of claim 2, wherein the detergent dispersant is one or more selected from polyisobutylene succinimide, boronated polyisobutylene succinimide, polyisobutylene succinate ester, diene-based succinimide, and mono-olefin-based succinimide.
6. The biodegradable plant-based antiwear lubricating oil of claim 2, wherein the extreme pressure antiwear agent comprises one or more of phosphate, alkyl phosphite, alkyl phosphate amine salt, acidic phosphate amine salt, dibenzyl disulfide, and borate.
7. The biodegradable plant-based antiwear lubricating oil according to claim 2, wherein the diphenylamine-based antioxidant is selected from one or more of 4,4' -dimethyldiphenylamine, 2-octyldiphenylamine, 4-tert-butyl-N-phenylaniline, 4' -dioctyldiphenylamine, o-methyl-m-hydroxydiphenylamine, 4' -di (phenylisopropyl) diphenylamine, 2, 4-dimethyldiphenylamine, 4-octyldiphenylamine, and octylbutyldiphenylamine.
8. The biodegradable plant-based antiwear lubricating oil according to claim 1, wherein the modified molybdenum disulfide is prepared by the steps of:
(1) mixing nano molybdenum disulfide and nano graphene in a sulfuric acid phosphoric acid mixed solution, cooling to room temperature, standing, filtering and drying to obtain a molybdenum disulfide graphene compound;
(2) dispersing the molybdenum disulfide graphene compound in a mixed solution of ethanol and water, adding a vinyl silane coupling agent, refluxing, stirring and mixing for 10-15 hours in a water bath at 70-80 ℃ under the condition of ultraviolet light, standing, filtering and drying to obtain the modified molybdenum disulfide.
9. The biodegradable plant-based antiwear lubricating oil according to claim 8, wherein the mass ratio of the nano molybdenum disulfide to the nano graphene is 1: 1-4.
10. The preparation method of the biodegradable plant-based anti-wear lubricating oil is characterized by comprising the following steps:
mixing 20-35 parts of low-viscosity plant-based polyolefin base oil, 60-80 parts of high-viscosity plant-based polyolefin base oil and 1-3 parts of modified molybdenum disulfide to prepare the plant-based polyolefin lubricating oil.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041025A (en) * | 2009-10-22 | 2011-05-04 | 中国石油化工股份有限公司 | Method for preparing alpha-olefin from vegetable fat |
| CN106513020A (en) * | 2016-11-01 | 2017-03-22 | 吉林大学 | Preparation method of bismuth tungstate-molybdenum disulfide/graphene composite |
| CN108048177A (en) * | 2018-01-03 | 2018-05-18 | 郑小华 | A kind of high temperature resistant graphene lubricating oil and its synthetic method |
| CN108102774A (en) * | 2017-12-26 | 2018-06-01 | 金雪驰科技（马鞍山）有限公司 | A kind of lubricating oil and its application |
| CN111019735A (en) * | 2019-11-19 | 2020-04-17 | 湖南长城拉力润滑油有限公司 | Preparation method of lubricating oil antiwear agent and lubricating oil |
-
2021
- 2021-11-02 CN CN202111288481.7A patent/CN113930279A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041025A (en) * | 2009-10-22 | 2011-05-04 | 中国石油化工股份有限公司 | Method for preparing alpha-olefin from vegetable fat |
| CN106513020A (en) * | 2016-11-01 | 2017-03-22 | 吉林大学 | Preparation method of bismuth tungstate-molybdenum disulfide/graphene composite |
| CN108102774A (en) * | 2017-12-26 | 2018-06-01 | 金雪驰科技（马鞍山）有限公司 | A kind of lubricating oil and its application |
| CN108048177A (en) * | 2018-01-03 | 2018-05-18 | 郑小华 | A kind of high temperature resistant graphene lubricating oil and its synthetic method |
| CN111019735A (en) * | 2019-11-19 | 2020-04-17 | 湖南长城拉力润滑油有限公司 | Preparation method of lubricating oil antiwear agent and lubricating oil |
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