CN114032131A - Environment-friendly antirust lubricating oil and preparation method thereof - Google Patents

Environment-friendly antirust lubricating oil and preparation method thereof Download PDF

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CN114032131A
CN114032131A CN202111345925.6A CN202111345925A CN114032131A CN 114032131 A CN114032131 A CN 114032131A CN 202111345925 A CN202111345925 A CN 202111345925A CN 114032131 A CN114032131 A CN 114032131A
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environment
lubricating oil
oil
friendly antirust
preparation
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CN114032131B (en
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倪彩虹
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Dongguan Locks Lubricant Co ltd
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Guanshi Shanghai New Energy Technology 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
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of 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
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/082—Inorganic acids or salts thereof containing nitrogen
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • C10M2207/2825—Esters of (cyclo)aliphatic oolycarboxylic acids 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
    • 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
    • C10M2209/102—Polyesters
    • 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
    • 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
    • C10M2215/086—Imides
    • 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
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • 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
    • 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
    • C10M2225/00—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2225/04—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the monomers
    • C10M2225/0405—Organic macromolecular compounds containing phosphorus as ingredients in lubricant compositions obtained by phosphorisation of macromolecualr compounds not containing phosphorus in the 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
    • 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
    • C10M2227/09—Complexes with metals
    • 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
    • C10M2229/003—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 used as base material
    • 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
    • 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
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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

Abstract

The invention discloses an environment-friendly antirust lubricating oil and a preparation method thereof. The modified base oil is composed of modified base oil, a dispersant, an antioxidant, an antiwear agent, a defoaming agent and a viscosity regulator; wherein, the preparation raw materials of the modified base oil are base oil, a denaturant and carboxylic ester. The invention provides an environment-friendly antirust lubricating oil and a preparation method thereof, and the environment-friendly antirust lubricating oil has good performances of environmental protection, easy degradation, wear resistance, rust prevention and the like.

Description

Environment-friendly antirust lubricating oil and preparation method thereof
Technical Field
The invention relates to the technical field of lubricating oil, and particularly relates to environment-friendly antirust lubricating oil and a preparation method thereof.
Background
The lubricating oil is a liquid or semisolid lubricating agent used on various types of automobiles and mechanical equipment to reduce friction and protect machines and workpieces, and mainly plays roles in lubrication, cooling, rust prevention, cleaning, sealing, buffering and the like. With the rapid development of economic level, people's awareness of environmental protection and crisis has been greatly improved. Traditional lubricating oil often the lubricated effect is outstanding, but does not have fine rust-resistant, environmental protection effect to cause a large amount of equipment to scrap because of rust, corruption in the operation process, shortened the life of equipment, thereby the increasement cost, the infiltration of lubricating oil, leak, spill over and handle improper environmental pollution destruction problem that causes simultaneously.
CN109722326A discloses a preparation method of antirust bearing lubricating oil, which comprises the following raw materials: n-pentane, peanut oil, sulfurized calcium alkyl phenolate, succinate, phenylalanine, chlorinated paraffin, oxidized rapeseed oil and benzotriazole. The lubricating oil for the bearing has excellent performance, improves the low-temperature starting performance and the high-temperature tolerance of an oil product, but has poor antirust effect and poor environmental protection performance.
Disclosure of Invention
In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is to provide an environment-friendly antirust lubricating oil and a preparation method thereof.
A preparation method of lubricating oil comprises the following steps: mixing and homogenizing 90-120 parts by weight of modified base oil, 0.01-0.05 part by weight of dispersant, 0.1-2 parts by weight of antioxidant, 0.5-4 parts by weight of antiwear agent, 0.01-0.03 part by weight of defoaming agent and 1-3.5 parts by weight of viscosity regulator to obtain lubricating oil; the homogenization conditions are that the pressure is 160-180MPa, the temperature is 145-170 ℃, and the time duration is 20-40 min.
Further, the preparation method of the environment-friendly antirust lubricating oil comprises the following steps: mixing and homogenizing 90-120 parts by weight of modified base oil, 0.01-0.05 part by weight of dispersant, 0.1-2 parts by weight of antioxidant, 0.5-4 parts by weight of antiwear agent, 0.01-0.03 part by weight of defoaming agent, 1-3.5 parts by weight of viscosity regulator and 3-6 parts by weight of pentadecenyl succinic acid to obtain the environment-friendly antirust lubricating oil; the homogenization conditions are that the pressure is 160-180MPa, the temperature is 145-170 ℃, and the time duration is 20-40 min.
Further, the preparation method of the environment-friendly antirust lubricating oil comprises the following steps: mixing and homogenizing 90-120 parts by weight of modified base oil, 0.01-0.05 part by weight of dispersant, 0.1-2 parts by weight of antioxidant, 0.5-4 parts by weight of antiwear agent, 0.01-0.03 part by weight of defoaming agent, 1-3.5 parts by weight of viscosity regulator and 3-6 parts by weight of modified pentadecenylsuccinic acid to obtain environment-friendly antirust lubricating oil; the homogenization conditions are that the pressure is 160-180MPa, the temperature is 145-170 ℃, and the time duration is 20-40 min.
The dispersing agent is a mixture of succinimide and succinic acid ethylene glycol polyester in a mass ratio of (1-3) to (1-3).
The antioxidant is a mixture of N-ethyl-1-naphthylamine and 2, 5-diphenyl hydroquinone in a mass ratio of (1-3) to (1-3).
The antiwear agent is a mixture of tris (nonylphenol) phosphite and calcium thiobis (dodecylphenol) salt in a mass ratio of 5: 2.2.
The defoaming agent is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of (1-6) to (1-6).
The viscosity regulator is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and 8-13 wt.% sodium acetate aqueous solution according to the mass ratio of 1 (0.5-2), and homogenizing at 70-85 ℃ under the pressure of 45-55MPa for 15-25min to obtain an intermediate product A;
f2 mixing the intermediate product A and the water absorbent in a mass ratio of (6-9):1, stirring at 45-60 ℃ at the rotation speed of 100-;
f3 mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of (11-13): (0.5-0.9): 2.2-2.8), and then treating for 70-90min under the conditions of 135-.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of (1-7) to (1-6) to (1-5).
The water absorbent is silica gel.
The denaturant is octyl phenoxy polyethoxy ethyl phosphate and/or sodium hexahydroxyplatinate.
In a preferable scheme, the denaturant is a mixture of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of (1-3) to (1-3).
The carboxylic ester is one or a mixture of two or more of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate.
The modified base oil prepared by the specific method of the invention is coordinated with a mixed system consisting of the specific dispersant, the antioxidant, the antiwear agent, the defoamer and the viscosity regulator, has good adaptability and compatibility, can fully exert respective corresponding effects and simultaneously has no weakening problem, and all the raw materials supplement each other.
The invention adopts silica gel to remove the water introduced in the previous step, and simultaneously does not introduce chloride ions which are introduced by a conventional water absorbent, namely anhydrous calcium chloride, and the existence of the chloride ions can weaken the reactivity of the subsequently added octyl phenoxy polyethoxy ethyl phosphate.
The topological molecular polar surface area and the number of rotatable chemical bonds of the octyl phenoxy polyethoxy ethyl phosphate, the number of hydrogen bond acceptors of sodium hexahydroxyplatinate and the electronegativity of core platinum ions enable the basic oil to change the molecular space configuration under the initiation of the carboxylic ester when the basic oil is compounded as a denaturant of the basic oil, and the change of the microscopic level can lead to the improvement of the macroscopic mechanics and biochemical performance of the lubricating oil: the normal-temperature wear resistance of the lubricating oil is improved, the oxidation resistance and the evaporation resistance of the lubricating oil in a high-temperature environment are improved, and the biodegradation rate is very good.
The preparation method of the modified pentadecenylsuccinic acid comprises the following steps: adding polyethylene glycol, pentadecenylsuccinic acid and 4-methoxyphenol into 98 mass percent concentrated sulfuric acid, uniformly mixing, heating to 130-160 ℃, reacting for 3-5h, and after the reaction is finished, adopting 10 mass percent NaCO3Neutralizing the aqueous solution, distilling under reduced pressure, and drying to obtain modified dodecenylsuccinic acid; the mass ratio of the polyethylene glycol to the pentadecenylsuccinic acid to the 4-methoxyphenol to the concentrated sulfuric acid is 1: (2-3):(0.5-1): (0.5-1).
The polyethylene glycol and the pentadecenylsuccinic acid are subjected to esterification reaction, so that the antirust effect is good, the compatibility with the modified base oil can be enhanced, and meanwhile, the polyethylene glycol has good environmental protection performance and is easy to biodegrade.
The invention has the beneficial effects that:
the invention provides an environment-friendly antirust lubricating oil and a preparation method thereof, and the environment-friendly antirust lubricating oil has good performances of environmental protection, easy degradation, wear resistance, rust prevention and the like.
Detailed Description
The above summary of the present invention is described in further detail below with reference to specific embodiments, but it should not be construed that the scope of the above-described subject matter of the present invention is limited to the following examples.
Succinimide, CAS: 123-56-8, source: hubei Xin Rundchemical Co., Ltd.
Ethylene glycol succinate, CAS: 25569-53-3, source: shanghai Michelle chemical technology, Inc., molecular weight: 8300.
n-ethyl-1-naphthylamine, CAS: 118-44-5, source: bailingwei Tech Co.
2, 5-diphenylhydroquinone, CAS: 5422-91-3, source: hubei Xin Rundchemical Co., Ltd.
Tris (nonylphenol) phosphite, CAS: 26523-78-4, source: bailingwei Tech Co.
Thiobis (dodecylphenol) calcium salt, CAS: 26998-97-0, source: hubei Xin Rundchemical Co., Ltd.
Ethylene glycol dimethacrylate, CAS: 97-90-5, source: tianmen Changchang chemical Co Ltd.
Neopentyl glycol diacrylate, CAS: 2223-82-7, source: shanghai Michell chemical technology, Inc.
Hydroxylamine hydrochloride, CAS: 5470-11-1, source: hubei Wande chemical Co., Ltd.
Cottonseed oil, CAS: 8001-29-4, source: hubei Yunyi technologies, Inc., freezing point: relative density (5/15 ℃ C.): 0.925, iodine value: 109, saponification number: 192, according to the GB/T1537-2019 regulations.
Castor oil, CAS: 8001-79-4, source: handan Congtai district Zhan chemical trade company, which conforms to the GB/T8234-Bu 2009 regulations.
Palm oil, CAS: 8002-75-3, source: dengfnhong chemical limited, refractive index: 1.455, according to the requirements of GB 15680-.
Silica gel, CAS: 112926-00-8, source: wuhan detailed science biotechnology limited, bulk density: 740g/L, specific surface area (mm)2/g) is more than or equal to 600, and the effect is as follows: and (5) absorbing water.
Octylphenoxy polyethoxyethyl phosphate, CAS: 52623-95-7, Source: hubei Shinshun Biotech, Inc., molecular weight: 3700.
sodium hexahydroxyplatinate, CAS: 12325-31-4, source: hubei Shinshun Biotech Co., Ltd.
Bis (2-ethoxyethyl) sebacate, CAS: 624-10-2, source: bailingwei Tech Co.
Dioctyl azelate, CAS: 103-24-2, source: shanghai Michell chemical technology, Inc.
Diisooctyl sebacate, CAS: 122-62-3, source: shanghai Michell chemical technology, Inc.
In the examples, polyethylene glycol 400 was used, and the chemical industry was Jiangtangtai, Hubei.
Pentadecenylsuccinic acid, CAS: 27236-73-3, Hubei Ferry chemical Co., Ltd.
4-methoxyphenol, CAS: 150-76-6, sigma aldrich trade ltd.
Example 1
A preparation method of lubricating oil comprises the following steps: mixing and homogenizing 100 parts by weight of modified base oil, 0.02 part by weight of dispersant, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoaming agent and 2.5 parts by weight of viscosity regulator to obtain lubricating oil; the homogenization conditions are that the pressure is 175MPa, the temperature is 150 ℃, and the time duration is 25 min.
The dispersing agent is a mixture of succinimide and succinic acid ethylene glycol polyester in a mass ratio of 1: 1.
The antioxidant is a mixture of N-ethyl-1-naphthylamine and 2, 5-diphenyl hydroquinone in a mass ratio of 3: 2.
The antiwear agent is a mixture of tris (nonylphenol) phosphite and calcium thiobis (dodecylphenol) salt in a mass ratio of 5: 2.2.
The defoaming agent is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5: 1.
The viscosity regulator is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is a mixture composed of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of 2:1.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 2
Essentially the same as example 1, except that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is octyl phenoxy polyethoxy ethyl phosphate.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 3
Essentially the same as example 1, except that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is sodium hexahydroxyplatinate.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 4
Essentially the same as example 1, except that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B and the carboxylic ester according to the mass ratio of 12:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 5
Essentially the same as example 1, except that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B and a denaturant according to the mass ratio of 12:0.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is a mixture composed of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of 2:1.
Example 6
Essentially the same as example 1, except that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is anhydrous calcium chloride.
The denaturant is a mixture composed of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of 2:1.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 7
Essentially the same as example 1, except that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and water in a mass ratio of 1:1, and homogenizing at 80 ℃ under the pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is a mixture composed of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of 2:1.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 8
A preparation method of lubricating oil comprises the following steps: mixing and homogenizing 100 parts by weight of base oil, 0.02 part by weight of dispersant, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoaming agent and 2.5 parts by weight of viscosity regulator to obtain lubricating oil; the homogenization conditions are that the pressure is 175MPa, the temperature is 150 ℃, and the time duration is 25 min.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The dispersing agent is a mixture of succinimide and succinic acid ethylene glycol polyester in a mass ratio of 1: 1.
The antioxidant is a mixture of N-ethyl-1-naphthylamine and 2, 5-diphenyl hydroquinone in a mass ratio of 3: 2.
The antiwear agent is a mixture of tris (nonylphenol) phosphite and calcium thiobis (dodecylphenol) salt in a mass ratio of 5: 2.2.
The defoaming agent is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5: 1.
The viscosity regulator is hydroxylamine hydrochloride.
Example 9
Essentially the same as example 1, except that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and carrying out ultrasonic treatment at 80 ℃ and a power of 380W and a frequency of 45kHz for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is a mixture composed of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of 2:1.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 10
A preparation method of environment-friendly antirust lubricating oil comprises the following steps: mixing and homogenizing 100 parts by weight of modified base oil, 0.02 part by weight of dispersant, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoaming agent, 2.5 parts by weight of viscosity regulator and 6 parts by weight of pentadecenylsuccinic acid to obtain environment-friendly antirust lubricating oil; the homogenization conditions are that the pressure is 175MPa, the temperature is 150 ℃, and the time duration is 25 min.
The dispersing agent is a mixture of succinimide and succinic acid ethylene glycol polyester in a mass ratio of 1: 1.
The antioxidant is a mixture of N-ethyl-1-naphthylamine and 2, 5-diphenyl hydroquinone in a mass ratio of 3: 2.
The antiwear agent is a mixture of tris (nonylphenol) phosphite and calcium thiobis (dodecylphenol) salt in a mass ratio of 5: 2.2.
The defoaming agent is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5: 1.
The viscosity regulator is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is a mixture composed of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of 2:1.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
Example 11
A preparation method of environment-friendly antirust lubricating oil comprises the following steps: mixing and homogenizing 100 parts by weight of modified base oil, 0.02 part by weight of dispersant, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoaming agent, 2.5 parts by weight of viscosity regulator and 6 parts by weight of modified pentadecenylsuccinic acid to obtain environment-friendly antirust lubricating oil; the homogenization conditions are that the pressure is 175MPa, the temperature is 150 ℃, and the time duration is 25 min.
The dispersing agent is a mixture of succinimide and succinic acid ethylene glycol polyester in a mass ratio of 1: 1.
The antioxidant is a mixture of N-ethyl-1-naphthylamine and 2, 5-diphenyl hydroquinone in a mass ratio of 3: 2.
The antiwear agent is a mixture of tris (nonylphenol) phosphite and calcium thiobis (dodecylphenol) salt in a mass ratio of 5: 2.2.
The defoaming agent is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5: 1.
The viscosity regulator is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1, mixing the base oil and a 12 wt.% sodium acetate aqueous solution in a mass ratio of 1:1, and homogenizing at 80 ℃ under a pressure of 50MPa for 20min to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent in a mass ratio of 7:1, stirring at 50 ℃ for 40min at a rotating speed of 200rpm, then centrifuging at a rotating speed of 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, the denaturant and the carboxylic ester according to the mass ratio of 12:0.7:2.7, and then treating for 80min at the conditions of 150 ℃, the pressure of 200MPa and the rotating speed of 50rpm to obtain the denatured base oil.
The base oil is a mixture of cottonseed oil, castor oil and palm oil in a mass ratio of 4:1: 1.
The water absorbent is silica gel.
The denaturant is a mixture composed of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxyplatinate in a mass ratio of 2:1.
The carboxylic ester is a mixture of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate in a mass ratio of 7:2: 1.3.
The preparation method of the modified pentadecenylsuccinic acid comprises the following steps: adding polyethylene glycol, pentadecenylsuccinic acid and 4-methoxyphenol into 98% concentrated sulfuric acid by mass, uniformly mixing, heating to 160 ℃, reacting for 5 hours, and after the reaction is finished, adopting 10% NaCO by mass3Neutralizing the aqueous solution, drying, and distilling under reduced pressure to obtain modified dodecenylsuccinic acid; the mass ratio of the polyethylene glycol to the pentadecenylsuccinic acid to the 4-methoxyphenol to the concentrated sulfuric acid is 1:2.5:0.6:0.6。
Test example 1
And (3) testing the abrasion resistance: the antiwear properties of the lubricating oils obtained in the examples of the present invention were measured according to NB/SH/T0189-. The tightening torque is 50 N.m; the test oil is poured into the oil box and exceeds the top of the steel ball by 5 mm. Using condition B as test condition: the temperature was 75 ℃, the speed 1200r/min, the time 60min and the load 392N.
The test results are shown in table 1.
TABLE 1 antiwear Properties of lubricating oils
Figure BDA0003354102860000151
Test example 2
And (3) testing oxidation stability: the oxidation stability of the lubricating oils obtained in the examples of the present invention was measured according to SH/T0193-2008 "method for measuring Oxidation stability of lubricating oils". The outer diameter of the copper wire coil used in the experiment is 45mm, the mass is 55.6g, and the extension height is 40 mm. The test results are shown in table 2.
TABLE 2 Oxidation stability of lubricating oils
Figure BDA0003354102860000152
Figure BDA0003354102860000161
Test example 3
Evaporation loss test: the evaporation loss values of the lubricating oils obtained in the examples of the present invention were determined according to method A in NB/SH/T0059-. The experimental temperature was 250 ℃ and the experimental duration was 1 h. The test results are shown in table 3.
TABLE 3 evaporation loss values of lubricating oils
Figure BDA0003354102860000162
Test example 4
Biodegradability test: the biodegradability of the lubricating oils obtained in the examples of the present invention was determined according to GB/T21856-. Carbon dioxide was measured every day 10 days before the test and every 5 days after the test, for a total test period of 28 days. The test results are shown in table 4.
TABLE 4 biodegradability of lubricating oils
Figure BDA0003354102860000171
According to the invention, free hydrogen ions in a mixture of cottonseed oil, castor oil and palm oil are sufficiently removed by adopting a sodium acetate aqueous solution through a high-pressure homogenization method, so that the mixture is modified by adopting a specific denaturant in subsequent treatment, and the hydrogen ions can react with hydroxyl in sodium hexahydroxyplatinate; and the homogeneity of the mixed oil phase can be increased by homogenizing acetate and high pressure, so that the reliability of the lubricating oil in service can be enhanced. The invention adopts silica gel to remove the water introduced in the previous step, and simultaneously does not introduce chloride ions which are introduced by a conventional water absorbent, namely anhydrous calcium chloride, and the existence of the chloride ions can weaken the reactivity of the subsequently added octyl phenoxy polyethoxy ethyl phosphate. The topological molecular polar surface area and the number of rotatable chemical bonds of the octyl phenoxy polyethoxy ethyl phosphate, the number of hydrogen bond acceptors of sodium hexahydroxyplatinate and the electronegativity of core platinum ions enable the basic oil to change the molecular space configuration under the initiation of the carboxylic ester when the basic oil is compounded as a denaturant of the basic oil, and the change of the microscopic level can lead to the improvement of the macroscopic mechanics and biochemical performance of the lubricating oil: the normal-temperature wear resistance of the lubricating oil is improved, the oxidation resistance and the evaporation resistance of the lubricating oil in a high-temperature environment are improved, and the biodegradation rate is very good. The organic phase wetting power and the bond energy of a carbon-oxygen bond of the bis (2-ethoxyethyl) sebacate, the dioctyl azelate and the diisooctyl sebacate adopted by the invention can reduce the reaction difficulty between the denaturant and the base oil, so that the denatured base oil with more sufficient modification degree can be obtained.
The modified base oil prepared by the specific method of the invention is coordinated with a mixed system consisting of the specific dispersant, the antioxidant, the antiwear agent, the defoamer and the viscosity regulator, has good adaptability and compatibility, can fully exert respective corresponding effects and simultaneously has no weakening problem, and all the raw materials supplement each other.
Test example 5
And (3) testing the antirust performance: the environmental-friendly antirust lubricating oil prepared in examples 10 to 11 was subjected to antirust performance test by referring to GB/T2361-1992 antirust grease Damp-Heat test method.
TABLE 5 test results of rust preventive property of environmental protection rust preventive lubricating oil
30 days 60 days 90 days 120 days
Example 10 B B B C
Example 11 A A A B

Claims (10)

1. A preparation method of environment-friendly antirust lubricating oil is characterized by comprising the following steps: and mixing and homogenizing the modified base oil, the dispersant, the antioxidant, the antiwear agent, the defoaming agent, the viscosity regulator and the pentadecenylsuccinic acid/modified pentadecenylsuccinic acid to obtain the environment-friendly antirust lubricating oil.
2. The preparation method of the environment-friendly antirust lubricating oil as claimed in claim 1, wherein the preparation method of the modified pentadecenylsuccinic acid comprises the following steps: adding polyethylene glycol, pentadecenylsuccinic acid and 4-methoxyphenol into 98 mass percent concentrated sulfuric acid, uniformly mixing, heating to 130-160 ℃, reacting for 3-5h, and after the reaction is finished, adopting 10 mass percent NaCO3Neutralizing the aqueous solution, distilling under reduced pressure, and drying to obtain the modified dodecenylsuccinic acid.
3. The method for preparing environment-friendly antirust lubricating oil according to claim 1, wherein the dispersant is succinimide and/or ethylene succinate polyester.
4. The method for preparing the environment-friendly antirust lubricating oil according to claim 1, characterized by comprising the following steps: the antioxidant is N-ethyl-1-naphthylamine and/or 2, 5-diphenyl hydroquinone.
5. The method for preparing the environment-friendly antirust lubricating oil according to claim 1, characterized by comprising the following steps: the antiwear agent is tris (nonylphenol) phosphite and/or calcium salt of sulfur-based bis (dodecylphenol).
6. The method for preparing the environment-friendly antirust lubricating oil according to claim 1, characterized by comprising the following steps: the defoaming agent is ethylene glycol dimethacrylate and/or neopentyl glycol diacrylate.
7. The preparation method of the environment-friendly antirust lubricating oil as claimed in claim 1, wherein the preparation process of the modified base oil is as follows:
f1, mixing the base oil and the sodium acetate aqueous solution, and homogenizing to obtain an intermediate product A;
f2, mixing and stirring the intermediate product A and the water absorbent, centrifuging, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B, a denaturant and a carboxylic ester to obtain the denatured base oil.
8. The method for preparing environment-friendly antirust lubricating oil according to claim 7, wherein the base oil is a mixture of two or more of cottonseed oil, castor oil and palm oil.
9. The method for preparing environment-friendly antirust lubricating oil according to claim 7, wherein the denaturant is octyl phenoxy polyethoxy ethyl phosphate and/or sodium hexahydroxyplatinate.
10. An environment-friendly antirust lubricating oil, which is characterized by being prepared by the preparation method of the environment-friendly antirust lubricating oil according to any one of claims 1 to 9.
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CN103013636A (en) * 2012-12-31 2013-04-03 中国地质大学（北京） Green mining support oil and preparation method thereof
CN104611110A (en) * 2015-01-29 2015-05-13 安徽铖友汽车零部件制造有限公司 Cutting fluid for machine tool
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