CN114032131B - 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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CN114032131B
CN114032131B CN202111345925.6A CN202111345925A CN114032131B CN 114032131 B CN114032131 B CN 114032131B CN 202111345925 A CN202111345925 A CN 202111345925A CN 114032131 B CN114032131 B CN 114032131B
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environment
oil
lubricating oil
mass ratio
base oil
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CN114032131A (en
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倪彩虹
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Dongguan Locks Lubricant Co ltd
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Dongguan Locks Lubricant 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

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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 an environment-friendly antirust lubricating oil and a preparation method thereof. Consists of denatured base oil, dispersant, antioxidant, antiwear agent, defoaming agent and viscosity regulator; wherein, the preparation raw materials of the denatured base oil comprise base oil, 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 the advantages of environment friendliness, easiness in degradation, wear resistance, rust resistance 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, in particular to environment-friendly antirust lubricating oil and a preparation method thereof.
Background
Lubricating oils are liquid or semisolid lubricants used in various types of automobiles and mechanical equipment to reduce friction and protect machinery and workpieces, and mainly play roles in lubrication, cooling, rust prevention, cleaning, sealing, buffering and the like. With the rapid development of the economic level, environmental protection awareness and crisis awareness of people have been greatly improved. Traditional lubricating oil often has outstanding lubricating effect, but has no good rust prevention and environmental protection effects, so that a large amount of equipment is scrapped due to rust and corrosion in the operation process, the service life of the equipment is shortened, the cost is increased, and meanwhile, the problems of environmental pollution and damage caused by seepage, leakage, overflow and improper treatment of the lubricating oil are solved.
CN109722326a discloses a preparation method of rust-proof bearing lubricating oil, which comprises the following raw materials: n-pentane, peanut oil, calcium alkyl phenate sulfide, 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 high-temperature tolerance of the oil product, but has the advantages of unobvious rust prevention effect and poor environmental protection performance.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention provides an environment-friendly antirust lubricating oil and a preparation method thereof.
A preparation method of lubricating oil comprises the following steps: 90 to 120 weight parts of modified base oil, 0.01 to 0.05 weight part of dispersing agent, 0.1 to 2 weight parts of antioxidant, 0.5 to 4 weight parts of antiwear agent, 0.01 to 0.03 weight part of defoamer and 1 to 3.5 weight parts of viscosity modifier are mixed and homogenized to obtain lubricating oil; the homogenizing condition is that the pressure is 160-180MPa, the temperature is 145-170 ℃ and the duration is 20-40min.
Further, the preparation method of the environment-friendly antirust lubricating oil comprises the following steps: 90 to 120 weight parts of modified base oil, 0.01 to 0.05 weight part of dispersing agent, 0.1 to 2 weight parts of antioxidant, 0.5 to 4 weight parts of antiwear agent, 0.01 to 0.03 weight part of defoamer, 1 to 3.5 weight parts of viscosity modifier and 3 to 6 weight parts of pentadecenyl succinic acid are mixed and homogenized to obtain environment-friendly antirust lubricating oil; the homogenizing condition is that the pressure is 160-180MPa, the temperature is 145-170 ℃ and the duration is 20-40min.
Further, the preparation method of the environment-friendly antirust lubricating oil comprises the following steps: 90 to 120 weight parts of modified base oil, 0.01 to 0.05 weight part of dispersing agent, 0.1 to 2 weight parts of antioxidant, 0.5 to 4 weight parts of antiwear agent, 0.01 to 0.03 weight part of defoamer, 1 to 3.5 weight parts of viscosity modifier and 3 to 6 weight parts of modified pentadecenyl succinic acid are mixed and homogenized to obtain environment-friendly antirust lubricating oil; the homogenizing condition is that the pressure is 160-180MPa, the temperature is 145-170 ℃ and the duration is 20-40min.
The dispersing agent is a mixture of succinimide and glycol succinate polyester in the 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).
The antiwear agent is a mixture of tris (nonylphenol) phosphite and thiobis (dodecylphenol) calcium salt in a mass ratio of 5:2.2.
The defoamer is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in the mass ratio of (1-6).
The viscosity modifier is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1 mixing base oil and sodium acetate aqueous solution with the concentration of 8-13wt.% according to the mass ratio of 1 (0.5-2), homogenizing at 70-85 ℃ for 15-25min under the pressure of 45-55MPa to obtain an intermediate product A;
f2, mixing the intermediate product A and the water absorbent according to the mass ratio of (6-9) 1, stirring at the temperature of 45-60 ℃ for 30-50min at the rotating speed of 100-300rpm, centrifuging at the rotating speed of 8000-12000rpm for 3-6min, 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 (11-13) (0.5-0.9) (2.2-2.8), and then treating for 70-90min under the conditions of 135-155 ℃ and the pressure of 190-225MPa and the rotating speed of 30-80rpm to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of (1-7) (1-6) (1-5).
The water absorbing agent is silica gel.
The denaturant is octyl phenoxy polyethoxy ethyl phosphate and/or sodium hexahydroxy platinate.
As a preferable scheme, the denaturant is a mixture of octyl phenoxy polyethoxy ethyl phosphate and sodium hexahydroxy platinate in the mass ratio of (1-3) to (1-3).
The carboxylic acid ester is one or two or more of bis (2-ethoxyethyl) sebacate, dioctyl azelate and diisooctyl sebacate.
The modified base oil prepared by the specific method disclosed by the invention is coordinated with a mixed system consisting of the adopted specific dispersing agent, the antioxidant, the antiwear agent, the defoaming agent and the viscosity regulator, has good suitability and compatibility, can fully exert the respective due effects, and can not cause the problem of weakening each other, and the raw materials complement each other.
The invention adopts silica gel to remove the moisture introduced in the previous step, and meanwhile, the conventional water absorbent, namely anhydrous calcium chloride, can not be introduced, and the existence of chloride ions can weaken the reactivity of the subsequently added octyl phenoxy polyethoxy ethyl phosphate.
The topological molecular polar surface area and rotatable chemical bond number of the octyl phenoxy polyethoxy ethyl phosphate, the hydrogen bond acceptor number of sodium hexahydroxy platinate and the electronegativity of core platinum ions enable the molecular space configuration of the base oil to be changed under the initiation of the carboxylate when the octyl phenoxy polyethoxy ethyl phosphate is compounded as a denaturant of the base oil, and the microscopic-level variation can lead to the improvement of the macroscopic mechanical and biochemical properties 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 lubricating oil still has very good biodegradation rate.
The preparation method of the modified pentadecenyl succinic acid comprises the following steps: will be polymerizedAdding ethylene glycol, pentadecenyl succinic acid and 4-methoxyphenol into 98% concentrated sulfuric acid, mixing, heating to 130-160deg.C, reacting for 3-5 hr, and after reaction, adopting 10% NaCO 3 Neutralizing the aqueous solution, distilling under reduced pressure, and drying to obtain modified dodecenyl succinic acid; the mass ratio of the polyethylene glycol to the pentadecenyl succinic acid to the 4-methoxyphenol to the concentrated sulfuric acid is 1: (2-3): (0.5-1): (0.5-1).
Polyethylene glycol and pentadecenyl succinic acid are adopted to perform esterification reaction, so that the anti-rust agent not only has a good anti-rust effect, but also can enhance the compatibility with denatured base oil, 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 the advantages of environment friendliness, easiness in degradation, wear resistance, rust resistance and the like.
Detailed Description
The above summary of the invention is described in further detail below in connection with the detailed description, but it should not be construed that the scope of the above subject matter of the invention is limited to the examples below.
Succinimide, CAS:123-56-8, source: hubei Xinrun chemical Co., ltd.
Ethylene glycol succinate polyester, CAS:25569-53-3, source: shanghai Michel chemical technologies Co., ltd., molecular weight: 8300.
n-ethyl-1-naphthylamine, CAS:118-44-5, source: carbofuran technologies limited.
2, 5-diphenylhydroquinone, CAS:5422-91-3, source: hubei Xinrun chemical Co., ltd.
Tris (nonylphenol) phosphite, CAS:26523-78-4, source: carbofuran technologies limited.
Thiobis (dodecylphenol) calcium salt, CAS:26998-97-0, source: hubei Xinrun chemical Co., ltd.
Ethylene glycol dimethacrylate, CAS:97-90-5, source: asparagus chemical Co.
Neopentyl glycol diacrylate, CAS:2223-82-7, source: shanghai Michel chemical Co., ltd.
Hydroxylamine hydrochloride, CAS:5470-11-1, source: hubei Wande chemical Co., ltd.
Cottonseed oil, CAS:8001-29-4, source: freezing point of Hubei cloud magnesium technologies Co., ltd.): relative Density at 5 ℃ (5/15 ℃): 0.925, iodine value: 109, saponification number: 192, which meets the GB/T1537-2019 specification.
Castor oil, CAS:8001-79-4, source: handan Confucius district resource-flourishing chemical industry trade Limited company accords with GB/T8234-2009.
Palm oil, CAS:8002-75-3, source: refractive index of Jinan Fuhong chemical Co., ltd.): 1.455, according to the GB 15680-2009 specification.
Silica gel, CAS:112926-00-8, source: bulk density of wuhan Hua Xiangke biotechnology limited: 740g/L, specific surface area (mm) 2 /g) is more than or equal to 600, and the action is as follows: and (5) absorbing water.
Octyl phenoxy polyethoxyethyl phosphate, CAS:52623-95-7, source: molecular weight of Hubei real forward biotechnology Co., ltd: 3700.
sodium hexahydroxy platinate, CAS:12325-31-4, source: hubei fact cis biotechnology limited.
Bis (2-ethoxyethyl) sebacate, CAS:624-10-2, source: carbofuran technologies limited.
Dioctyl azelate, CAS:103-24-2, source: shanghai Michel chemical Co., ltd.
Diisooctyl sebacate, CAS:122-62-3, source: shanghai Michel chemical Co., ltd.
In the examples, the polyethylene glycol is polyethylene glycol 400, hubei Jiang Mintai Huachen chemical Co., ltd.
Pentadecenyl succinic acid, CAS:27236-73-3, hubei ferry chemical Co., ltd.
4-methoxyphenol, CAS:150-76-6, sigma aldrich (Shanghai) trade limited.
Example 1
A preparation method of lubricating oil comprises the following steps: mixing 100 parts by weight of modified base oil, 0.02 part by weight of dispersing agent, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoamer and 2.5 parts by weight of viscosity modifier, and homogenizing to obtain lubricating oil; the homogenizing condition is that the pressure is 175MPa, the temperature is 150 ℃ and the duration is 25min.
The dispersing agent is a mixture of succinimide and succinic acid glycol polyester with 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 thiobis (dodecylphenol) calcium salt in a mass ratio of 5:2.2.
The defoamer is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5:1.
The viscosity modifier is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is a mixture of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in a mass ratio of 2:1.
The carboxylic acid 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
Substantially the same as in example 1, the only difference is that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is octyl phenoxy polyethoxy ethyl phosphate.
The carboxylic acid 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
Substantially the same as in example 1, the only difference is that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is sodium hexahydroxy platinate.
The carboxylic acid 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
Substantially the same as in example 1, the only difference is that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The carboxylic acid 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
Substantially the same as in example 1, the only difference is that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 10000rpm for 3min, and filtering to obtain a liquid phase to obtain an intermediate product B;
f3, mixing the intermediate product B and the denaturant according to the mass ratio of 12:0.7, and then treating for 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is a mixture of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in a mass ratio of 2:1.
Example 6
Substantially the same as in example 1, the only difference is that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed 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 of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in a mass ratio of 2:1.
The carboxylic acid 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
Substantially the same as in example 1, the only difference is that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and water according to a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under a pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is a mixture of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in a mass ratio of 2:1.
The carboxylic acid 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 dispersing agent, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoamer and 2.5 parts by weight of viscosity modifier to obtain lubricating oil; the homogenizing condition is that the pressure is 175MPa, the temperature is 150 ℃ and the duration is 25min.
The base oil is a mixture of cotton seed 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 glycol polyester with 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 thiobis (dodecylphenol) calcium salt in a mass ratio of 5:2.2.
The defoamer is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5:1.
The viscosity modifier is hydroxylamine hydrochloride.
Example 9
Substantially the same as in example 1, the only difference is that: the preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% at a mass ratio of 1:1, and performing ultrasonic treatment at 80 ℃ for 20min with the power of 380W and the frequency of 45kHz 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is a mixture of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in a mass ratio of 2:1.
The carboxylic acid 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
The preparation method of the environment-friendly antirust lubricating oil comprises the following steps: mixing 100 parts by weight of modified base oil, 0.02 part by weight of dispersing agent, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoamer, 2.5 parts by weight of viscosity modifier and 6 parts by weight of pentadecenyl succinic acid, and homogenizing to obtain environment-friendly antirust lubricating oil; the homogenizing condition is that the pressure is 175MPa, the temperature is 150 ℃ and the duration is 25min.
The dispersing agent is a mixture of succinimide and succinic acid glycol polyester with 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 thiobis (dodecylphenol) calcium salt in a mass ratio of 5:2.2.
The defoamer is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5:1.
The viscosity modifier is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is a mixture of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in a mass ratio of 2:1.
The carboxylic acid 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
The preparation method of the environment-friendly antirust lubricating oil comprises the following steps: mixing 100 parts by weight of modified base oil, 0.02 part by weight of dispersing agent, 1 part by weight of antioxidant, 3 parts by weight of antiwear agent, 0.01 part by weight of defoamer, 2.5 parts by weight of viscosity modifier and 6 parts by weight of modified pentadecenyl succinic acid, and homogenizing to obtain environment-friendly antirust lubricating oil; the homogenizing condition is that the pressure is 175MPa, the temperature is 150 ℃ and the duration is 25min.
The dispersing agent is a mixture of succinimide and succinic acid glycol polyester with 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 thiobis (dodecylphenol) calcium salt in a mass ratio of 5:2.2.
The defoamer is a mixture of ethylene glycol dimethacrylate and neopentyl glycol diacrylate in a mass ratio of 5:1.
The viscosity modifier is hydroxylamine hydrochloride.
The preparation method of the denatured base oil comprises the following steps:
f1, mixing base oil and a sodium acetate aqueous solution with the concentration of 12wt.% in a mass ratio of 1:1, and homogenizing at 80 ℃ for 20min under the pressure of 50MPa 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, centrifuging at 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 80 minutes under the conditions of 150 ℃ and 200MPa and 50rpm of rotating speed to obtain the denatured base oil.
The base oil is a mixture of cotton seed oil, castor oil and palm oil in a mass ratio of 4:1:1.
The water absorbing agent is silica gel.
The denaturant is a mixture of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in a mass ratio of 2:1.
The carboxylic acid 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 pentadecenyl succinic acid comprises the following steps: adding polyethylene glycol, pentadecenyl succinic acid and 4-methoxyphenol into 98% concentrated sulfuric acid, mixing, heating to 160deg.C, reacting for 5 hr, and after reaction, adopting 10% NaCO 3 Neutralizing the aqueous solution, drying, and distilling under reduced pressure to obtain modified dodecenyl succinic acid; the mass ratio of the polyethylene glycol to the pentadecenyl succinic acid to the 4-methoxyphenol to the concentrated sulfuric acid is 1:2.5:0.6:0.6.
Test example 1
Abrasion resistance test: the anti-wear properties of the lubricating oils obtained by the examples of the present invention were measured according to NB/SH/T0189-2017 four-ball method for measuring anti-wear properties of lubricating oils and experimental data were measured using method one. 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 5mm. Taking the condition B as a test condition: the temperature is 75 ℃, the speed is 1200r/min, the time is 60min, and the load is 392N.
The test results are shown in Table 1.
TABLE 1 antiwear Properties of lubricating oils
Figure BDA0003354102860000151
Test example 2
Oxidation stability test: the oxidation stability of the lubricating oils obtained by the examples of the present invention was measured according to SH/T0193-2008 "measurement of oxidation stability of lubricating oils" rotary oxygen bomb method ". The copper wire coil used in the experiment has an outer diameter of 45mm, a mass of 55.6g and an extension height of 40mm. 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 measured according to the method A in NB/SH/T0059-2010 "determination of evaporation loss of lubricating oil" by Nokia method. The experimental temperature is 250 ℃ and the experimental time is 1h. 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 measured according to GB/T21856-2008 Rapid biodegradability carbon dioxide Generation test for chemicals. Carbon dioxide was measured 10d a day before the test, followed by every 5d for a total of 28d test cycles. The test results are shown in Table 4.
TABLE 4 biodegradability of lubricating oils
Figure BDA0003354102860000171
The invention adopts the aqueous solution of sodium acetate, and fully removes the free hydrogen ions in the mixture of the cottonseed oil, the castor oil and the palm oil by a high-pressure homogenization means, which is beneficial to the modification of the mixture by adopting a specific denaturant in the subsequent treatment, because the hydrogen ions can react with hydroxyl groups in the sodium hexahydroxyplatinate; and, the homogeneity of the mixed oil phase can be increased through the homogenization of acetate and high pressure, which can enhance the reliability of the lubricating oil in service. The invention adopts silica gel to remove the moisture introduced in the previous step, and meanwhile, the conventional water absorbent, namely anhydrous calcium chloride, can not be introduced, and the existence of chloride ions can weaken the reactivity of the subsequently added octyl phenoxy polyethoxy ethyl phosphate. The topological molecular polar surface area and rotatable chemical bond number of the octyl phenoxy polyethoxy ethyl phosphate, the hydrogen bond acceptor number of sodium hexahydroxy platinate and the electronegativity of core platinum ions enable the molecular space configuration of the base oil to be changed under the initiation of the carboxylate when the octyl phenoxy polyethoxy ethyl phosphate is compounded as a denaturant of the base oil, and the microscopic-level variation can lead to the improvement of the macroscopic mechanical and biochemical properties 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 lubricating oil still has very good biodegradation rate. The organic phase wettability and the bond energy of the 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, thereby obtaining the denatured base oil with more sufficient modification degree.
The modified base oil prepared by the specific method disclosed by the invention is coordinated with a mixed system consisting of the adopted specific dispersing agent, the antioxidant, the antiwear agent, the defoaming agent and the viscosity regulator, has good suitability and compatibility, can fully exert the respective due effects, and can not cause the problem of weakening each other, and the raw materials complement each other.
Test example 5
Testing rust resistance: the environment-friendly rust preventive lubricating oil prepared in examples 10 to 11 was subjected to rust preventive property test with reference to GB/T2361-1992 "rust preventive grease wet heat test method".
Table 5 results of rust inhibitive performance test of environmentally friendly rust inhibitive lubricants
For 30 days For 60 days 90 days 120 days
Example 10 B B B C
Example 11 A A A B

Claims (6)

1. The preparation method of the environment-friendly antirust lubricating oil is characterized by comprising the following steps of: mixing and homogenizing modified base oil, a dispersing agent, an antioxidant, an antiwear agent, a defoaming agent, a viscosity regulator and modified pentadecenyl succinic acid to obtain environment-friendly antirust lubricating oil;
the preparation process of the denatured base oil comprises the following steps:
f1, mixing base oil and 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 carboxylic ester to obtain denatured base oil;
the base oil is two or more of cotton seed oil, castor oil and palm oil;
the denaturant is a mixture of octyl phenoxy polyethoxyethyl phosphate and sodium hexahydroxy platinate in the mass ratio of (1-3);
the preparation method of the modified pentadecenyl succinic acid comprises the following steps: adding polyethylene glycol, pentadecenyl succinic acid and 4-methoxyphenol into 98% concentrated sulfuric acid, mixing, heating to 130-160deg.C, reacting for 3-5 hr, and after reaction, adopting 10% Na 2 CO 3 Neutralizing the aqueous solution, distilling under reduced pressure, and drying to obtain the modified pentadecenyl succinic acid.
2. The method for preparing the environment-friendly antirust lubricating oil according to claim 1, wherein the dispersing agent is succinimide and/or succinic acid glycol polyester.
3. The method for preparing the environment-friendly antirust lubricating oil according to claim 1, which is characterized in that: the antioxidant is N-ethyl-1-naphthylamine and/or 2, 5-diphenyl hydroquinone.
4. The method for preparing the environment-friendly antirust lubricating oil according to claim 1, which is characterized in that: the antiwear agent is tris (nonylphenol) phosphite and/or thiobis (dodecylphenol) calcium salt.
5. The method for preparing the environment-friendly antirust lubricating oil according to claim 1, which is characterized in that: the defoamer is ethylene glycol dimethacrylate and/or neopentyl glycol diacrylate.
6. An environment-friendly antirust lubricating oil which is characterized by being prepared by adopting the preparation method of the environment-friendly antirust lubricating oil in any one of claims 1-5.
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