CN110257136B - Universal energy-saving environment-friendly heavy-load lubricating oil and preparation method thereof - Google Patents

Universal energy-saving environment-friendly heavy-load lubricating oil and preparation method thereof Download PDF

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CN110257136B
CN110257136B CN201910385448.2A CN201910385448A CN110257136B CN 110257136 B CN110257136 B CN 110257136B CN 201910385448 A CN201910385448 A CN 201910385448A CN 110257136 B CN110257136 B CN 110257136B
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lubricating oil
saving environment
finished product
mass
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CN110257136A (en
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陈晟
吕金水
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Quanzhou Oumei Lubricating Oil Products Co ltd
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Quanzhou Oumei Lubricating Oil Products 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
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/06—Well-defined aromatic compounds
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    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions used as base material
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    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/024—Propene
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers thereof
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/16—Naphthenic acids
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C10M2207/2835—Esters of polyhydroxy compounds used as base material
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28—Amides; Imides
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    • 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
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    • 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
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/061—Esters derived from boron
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2227/06—Organic compounds derived from inorganic acids or metal salts
    • C10M2227/065—Organic compounds derived from inorganic acids or metal salts derived from Ti or Zr
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • C—CHEMISTRY; METALLURGY
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/04—Detergent property or dispersant property
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/64—Environmental friendly compositions
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines

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

Abstract

The invention discloses a universal energy-saving environment-friendly heavy-load lubricating oil, belonging to the technical field of lubricants. The general energy-saving environment-friendly heavy-load lubricating oil comprises the following components: A. the high-shear-resistance oil comprises synthetic polyol ester base oil, B deep-refined three types of base oil, C polymethacrylate pour point depressant, D high-shear-resistance viscosity index improver, E and 18-20 parts of composite additive. The preparation method comprises the steps of preparing a semi-finished product material and preparing a finished product material. The lubricant prepared by the invention has excellent kinematic viscosity, and the lubricant has excellent self-cleaning performance and wear resistance through the independently developed detergent and anti-wear agent, so that the lubricant is suitable for popularization.

Description

Universal energy-saving environment-friendly heavy-load lubricating oil and preparation method thereof
Technical Field
The invention belongs to the technical field of lubricating oil, and particularly relates to universal energy-saving environment-friendly heavy-load lubricating oil and a preparation method thereof.
Background
With the rapid increase of global automobile production and sales, the gradual exhaustion of petrochemical energy and the increasing prominence of environmental problems, the world automobile industry faces the dual pressure of energy shortage and emission reduction. Many countries and regions begin to set up relevant regulations for medium-sized vehicles on the basis of the continuous strengthening of the regulations for strictly controlling fuel economy and environmental protection of light-duty vehicles.
With the development of automotive industry technology, engine design is in a significant period of change, partly driven by carbon dioxide emissions and fuel economy regulations. The design changes of the engine comprise the size reduction of the engine, active oil temperature control, rotating speed reduction, advanced combustion design, start-stop technology, variable valve timing, high oil temperature rise and the like; the engine oil plays an important role in protecting driving and navigation for the application of a new engine technology: fuel economy is improved by lowering viscosity, hardware durability is improved and up-to-date emissions requirements are met by more advanced additive, functional polymer and base oil options. It is therefore desirable to develop a new heavy duty lubricating oil product that meets OEM specifications and market requirements to meet the needs of the lubricating oil market and the users. Through the requirements of heavy-duty vehicle engine manufacturers on new oil use performance specifications and actual research on market oil, the highest quality grade which can be achieved by the current technology is communicated and determined with four international additive companies. Meanwhile, the general energy-saving environment-friendly heavy-load lubricating oil is developed by combining the actual situation of the domestic heavy-load vehicle market.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a lubricant with low evaporation loss and excellent cleaning and antiwear effects.
The invention adopts the following technical scheme:
the general energy-saving environment-friendly heavy-load lubricating oil comprises the following components in parts by mass:
A. 10-15 parts of synthetic polyol ester base oil;
B. 68.7-70.1 parts of deep refined three types of base oil;
C. 0.3-0.5 part of polymethacrylate pour point depressant;
D. 3-5 parts of a high shear resistance viscosity index improver;
E. 18-20 parts of a composite additive.
Further, the composite additive comprises the following components in percentage by mass: 30-35% of an antioxidant, 30-35% of an antiwear agent and 30-40% of a detergent.
Further, the antioxidant is one of N, N' -di-sec-butyl-p-phenylenediamine or p-phenylenediamine.
Further, the detergent comprises the following components in parts by weight: 20-25 parts of toluene, 3-7 parts of calcium oxide, 1-5 parts of sulfurized dodecylphenol, 2-4 parts of tetrabutyl titanate, 3-7 parts of calcium naphthenate, 2-6 parts of magnesium hydroxide and 4-5 parts of polyisobutenyl succinimide.
Further, the preparation method of the detergent comprises the following steps: adding 40-45 parts by mass of 30-40 ℃ deionized water into a reaction kettle, continuously stirring, then sequentially adding the toluene, calcium oxide, calcium naphthenate, magnesium hydroxide, dodecylphenol sulfide, tetrabutyl titanate and polyisobutylene succinimide into the reaction kettle, and carrying out vacuum stirring reaction for 1-2 hours to obtain the detergent, wherein the rotating speed is 9000-12000 rpm.
Further, the antiwear agent comprises the following components in parts by weight: 8-11 parts of ricinoleic acid, 6-10 parts of nano molybdenum dioxide, 11-15 parts of polyisopropene and 10-15 parts of nano lanthanum oxide.
Further, the preparation method of the antiwear agent comprises the following steps: adding 20-30 parts by mass of 50-60 ℃ deionized water into a reaction kettle, continuously stirring, adding the ricinoleic acid, the nano molybdenum dioxide, the polyisopropene and the nano lanthanum oxide into the reaction kettle, and carrying out vacuum stirring reaction for 0.8-1.3 h to obtain the antiwear agent, wherein the rotating speed is 9000-12000 rpm.
The preparation method of the general energy-saving environment-friendly heavy-load lubricating oil comprises the following steps:
step one, preparing a semi-finished product material:
according to the mass parts, firstly adding the synthetic polyol ester base oil and the three types of base oil into a blending kettle, heating to 50-60 ℃ at a heating rate of 80-120 ℃/h, then adding the polymethacrylate pour point depressant and the high shear resistance viscosity index improver into the blending kettle, keeping the temperature to 50-60 ℃, and stirring for 30-40 min to form a semi-finished product;
step two, preparing finished product materials:
and (2) adding the composite additive into the semi-finished product obtained in the step one according to the mass parts, heating to 55-65 ℃ at a heating rate of 80-120 ℃/h, and stirring for 40-50 min to obtain a finished product, namely the universal energy-saving environment-friendly heavy-load lubricating oil.
Compared with the prior art, the invention has the following beneficial effects:
firstly, mixing polyol ester base oil and three types of base oil to obtain a lubricant main body, then effectively improving the fluidity of the lubricant through a polymethacrylate pour point depressant, and effectively controlling the kinematic viscosity of the lubricant through a high-shear-resistance viscosity index improver;
secondly, research personnel discover through long-term experiments that after toluene is used as a solvent, calcium oxide, calcium naphthenate and magnesium hydroxide are mixed, dodecyl phenol sulfide is used as a surfactant, polyisobutenyl succinimide is used as a dispersant, tetrabutyl titanate is used as a catalyst, and an antioxidant is used in cooperation, the detergent has a self-cleaning effect, namely the detergent and the dispersing performance of sediments such as oil sludge and the like are enhanced, and the self-cleaning performance of the detergent is improved;
thirdly, in order to achieve the anti-wear effect, researchers and researchers use ricinoleic acid as a surfactant, nanometer molybdenum dioxide and nanometer lanthanum oxide as a catalyst together, and after the ricinoleic acid and the nanometer molybdenum dioxide and the nanometer lanthanum oxide are mixed with the polyisopropene for use, the maximum non-seizure load in a friction and wear experiment reaches 756.1N, and the ricinoleic acid and the nanometer lanthanum oxide have excellent anti-wear effect.
Detailed Description
The raw materials used in the invention are all commercial products, wherein:
synthetic polyol ester base oils were purchased from exxon Mobil, EsterexTMA32 or EsterexTMA34 or EsterexTMA41；
The viscosity index improver with high shear resistance is purchased from petroleum and natural gas company Limited in China;
polymethacrylate pour point depressants are available from san-da chemicals, inc, ca, model V248 polymethacrylate pour point depressants.
The three types of base oil can adopt three types of base oil of southern union energy limited company in Guangdong, brand: the metallocene is petrochemical.
The lubricating oil antifoaming agent is purchased from the federal fine chemical industry limited company in Guangdong, and has the following types: b-331/332/333
Example 1
The general energy-saving environment-friendly heavy-load lubricating oil comprises the following components in percentage by mass:
A. 10 parts of synthetic polyol ester base oil;
B. 68.7 parts of deep refined three types of base oil;
C. 0.3 part of polymethacrylate pour point depressant;
D. 3 parts of high shear resistance viscosity index improver;
E. and 18 parts of a composite additive.
Wherein:
the composite additive comprises the following components in percentage by mass: 30% of antioxidant, 30% of antiwear agent and 40% of detergent.
The antioxidant is N, N' -di-sec-butyl.
The detergent comprises the following components in parts by mass: 20 parts of toluene, 3 parts of calcium oxide, 1 part of dodecylphenol sulfide, 2 parts of tetrabutyl titanate, 3 parts of calcium naphthenate, 2 parts of magnesium hydroxide and 4 parts of polyisobutenyl succinimide.
The preparation method of the detergent comprises the following steps: adding 40 parts of deionized water at 30 ℃ into a reaction kettle, continuously stirring, sequentially adding the toluene, the calcium oxide, the calcium naphthenate, the magnesium hydroxide, the dodecylphenol sulfide, the tetrabutyl titanate and the polyisobutenyl succinimide into the reaction kettle, and carrying out vacuum stirring reaction for 1h to obtain the detergent, wherein the rotating speed is 9000 rpm.
The antiwear agent comprises the following components in parts by weight: 8 parts of ricinoleic acid, 6 parts of nano molybdenum dioxide, 11 parts of polyisopropylene and 10 parts of nano lanthanum oxide.
The preparation method of the antiwear agent comprises the following steps: adding 20 parts of deionized water with the temperature of 50 ℃ into a reaction kettle, continuously stirring, adding the ricinoleic acid, the nano molybdenum dioxide, the polyisopropene, the octadecane borate polyoxyethylene ether and the nano lanthanum oxide into the reaction kettle, and carrying out vacuum stirring reaction for 0.8h to obtain the antiwear agent, wherein the rotating speed is 9000 rpm.
The preparation method of the general energy-saving environment-friendly heavy-load lubricating oil comprises the following steps:
step one, preparing a semi-finished product material:
according to the mass parts, firstly adding the synthetic polyol ester base oil and the three types of base oil into a blending kettle, heating to 50 ℃ at the heating rate of 80 ℃/h, then adding the polymethacrylate pour point depressant and the high shear resistance viscosity index improver into the blending kettle, and stirring for 30min at the constant temperature of 50 ℃ to form a semi-finished product;
step two, preparing finished product materials:
and (2) adding the composite additive into the semi-finished product obtained in the step one according to the mass parts, heating to 55 ℃ at a heating rate of 80 ℃/h, and stirring for 40min to obtain a finished product, namely the universal energy-saving environment-friendly heavy-load lubricating oil.
Example 2
The general energy-saving environment-friendly heavy-load lubricating oil comprises the following components in percentage by mass:
A. synthesizing 11 parts of polyol ester base oil;
B. 69.1 parts of deep refined three types of base oil;
C. 0.4 part of polymethacrylate pour point depressant;
D. 4 parts of high shear resistance viscosity index improver;
E. 19 parts of a composite additive.
Wherein:
the composite additive comprises the following components in percentage by mass: 32% of antioxidant, 32% of antiwear agent and 36% of detergent.
The antioxidant is p-phenylenediamine.
The detergent comprises the following components in parts by mass: 22 parts of toluene, 4 parts of calcium oxide, 2 parts of sulfurized dodecylphenol, 3 parts of tetrabutyl titanate, 4 parts of calcium naphthenate, 3 parts of magnesium hydroxide and 5 parts of polyisobutenyl succinimide.
The preparation method of the detergent comprises the following steps: according to the mass parts, 42 parts of deionized water at 33 ℃ is added into a reaction kettle and continuously stirred, then the toluene, the calcium oxide, the calcium naphthenate, the magnesium hydroxide, the dodecylphenol sulfide, the tetrabutyl titanate and the polyisobutenyl succinimide are sequentially put into the reaction kettle, and the cleaning agent is obtained after the vacuum stirring reaction for 1.5 hours, wherein the rotating speed is 10000 rpm.
The antiwear agent comprises the following components in parts by weight: 9 parts of ricinoleic acid, 7 parts of nano molybdenum dioxide, 12 parts of polyisopropylene and 12 parts of nano lanthanum oxide.
The preparation method of the antiwear agent comprises the following steps: adding 22 parts by mass of deionized water at 53 ℃ into a reaction kettle, continuously stirring, adding the ricinoleic acid, the nano molybdenum dioxide, the polyisopropene, the octadecane borate polyoxyethylene ether and the nano lanthanum oxide into the reaction kettle, and carrying out vacuum stirring reaction for 0.9h to obtain the antiwear agent, wherein the rotating speed is 10000 rpm.
The preparation method of the general energy-saving environment-friendly heavy-load lubricating oil comprises the following steps:
step one, preparing a semi-finished product material:
according to the mass parts, firstly adding the synthetic polyol ester base oil and the three types of base oil into a blending kettle, heating to 52 ℃ at a heating rate of 90 ℃/h, then adding the polymethacrylate pour point depressant and the high shear resistance viscosity index improver into the blending kettle, and stirring for 32min at a constant temperature of 520 ℃ to form a semi-finished product;
step two, preparing finished product materials:
and (2) adding the composite additive into the semi-finished product obtained in the step one according to the mass parts, heating to 57 ℃ at a heating rate of 90 ℃/h, and stirring for 42min to obtain a finished product, namely the universal energy-saving environment-friendly heavy-load lubricating oil.
Example 3
The general energy-saving environment-friendly heavy-load lubricating oil comprises the following components in percentage by mass:
A. 14 parts of synthetic polyol ester base oil;
B. 69.8 parts of deep refined three types of base oil;
C. 0.5 part of polymethacrylate pour point depressant;
D. 5 parts of high shear resistance viscosity index improver;
E. 19 parts of a composite additive.
Wherein:
the composite additive comprises the following components in percentage by mass: 34% of antioxidant, 34% of antiwear agent and 32% of detergent.
The antioxidant is N, N' -di-sec-butyl-p-phenylenediamine.
The detergent comprises the following components in parts by mass: 24 parts of toluene, 6 parts of calcium oxide, 4 parts of sulfurized dodecylphenol, 4 parts of tetrabutyl titanate, 5 parts of calcium naphthenate, 5 parts of magnesium hydroxide and 5 parts of polyisobutenyl succinimide.
The preparation method of the detergent comprises the following steps: according to the mass parts, 44 parts of deionized water at 38 ℃ is added into a reaction kettle and continuously stirred, then the toluene, the calcium oxide, the calcium naphthenate, the magnesium hydroxide, the dodecylphenol sulfide, the tetrabutyl titanate and the polyisobutenyl succinimide are put into the reaction kettle in sequence, and the cleaning agent is obtained after the vacuum stirring reaction for 1.8 hours, wherein the rotating speed is 11000 rpm.
The antiwear agent comprises the following components in parts by weight: 10 parts of ricinoleic acid, 9 parts of nano molybdenum dioxide, 14 parts of polyisopropylene and 14 parts of nano lanthanum oxide.
The preparation method of the antiwear agent comprises the following steps: adding 28 parts of 58 ℃ deionized water into a reaction kettle, continuously stirring, adding the ricinoleic acid, the nano molybdenum dioxide, the polyisopropene, the octadecanoborate polyoxyethylene ether and the nano lanthanum oxide into the reaction kettle, and reacting for 1.2 hours under vacuum stirring to obtain the antiwear agent, wherein the rotating speed is 11000 rpm.
The preparation method of the general energy-saving environment-friendly heavy-load lubricating oil comprises the following steps:
step one, preparing a semi-finished product material:
according to the mass parts, firstly adding the synthetic polyol ester base oil and the three types of base oil into a blending kettle, heating to 55 ℃ at a heating rate of 110 ℃/h, then adding the polymethacrylate pour point depressant and the high shear resistance viscosity index improver into the blending kettle, keeping the temperature to 55 ℃, and stirring for 35min to form a semi-finished product;
step two, preparing finished product materials:
and (2) adding the composite additive into the semi-finished product obtained in the step one according to the mass parts, heating to 60 ℃ at a heating rate of 110 ℃/h, and stirring for 45min to obtain a finished product, namely the universal energy-saving environment-friendly heavy-load lubricating oil.
Example 4
The general energy-saving environment-friendly heavy-load lubricating oil comprises the following components in percentage by mass:
A. 15 parts of synthetic polyol ester base oil;
B. 70.1 parts of deep refined three types of base oil;
C. 0.5 part of polymethacrylate pour point depressant;
D. 5 parts of high shear resistance viscosity index improver;
E. and 20 parts of a composite additive.
Wherein:
the composite additive comprises the following components in percentage by mass: 35% of antioxidant, 35% of antiwear agent and 30% of detergent.
The antioxidant is p-phenylenediamine.
The detergent comprises the following components in parts by mass: 25 parts of toluene, 7 parts of calcium oxide, 5 parts of sulfurized dodecylphenol, 4 parts of tetrabutyl titanate, 7 parts of calcium naphthenate, 6 parts of magnesium hydroxide and 5 parts of polyisobutenyl succinimide.
The preparation method of the detergent comprises the following steps: according to the mass parts, 45 parts of deionized water at 40 ℃ is added into a reaction kettle and continuously stirred, then the toluene, the calcium oxide, the calcium naphthenate, the magnesium hydroxide, the dodecylphenol sulfide, the tetrabutyl titanate and the polyisobutenyl succinimide are sequentially put into the reaction kettle, and the cleaning agent is obtained after vacuum stirring reaction for 2 hours, wherein the rotating speed is 12000 rpm.
The antiwear agent comprises the following components in parts by weight: 11 parts of ricinoleic acid, 10 parts of nano molybdenum dioxide, 15 parts of polyisopropylene and 15 parts of nano lanthanum oxide.
The preparation method of the antiwear agent comprises the following steps: according to the mass parts, 30 parts of 60 ℃ deionized water is added into a reaction kettle and continuously stirred, the ricinoleic acid, the nano molybdenum dioxide, the polyisopropene, the octadecane borate polyoxyethylene ether and the nano lanthanum oxide are added into the reaction kettle, and the reaction is carried out for 1.3 hours under vacuum stirring to obtain the antiwear agent, wherein the rotating speed is 12000 rpm.
The preparation method of the general energy-saving environment-friendly heavy-load lubricating oil comprises the following steps:
step one, preparing a semi-finished product material:
according to the mass parts, firstly adding the synthetic polyol ester base oil and the three types of base oil into a blending kettle, heating to 60 ℃ at the heating rate of 120 ℃/h, then adding the polymethacrylate pour point depressant and the high shear resistance viscosity index improver into the blending kettle, and stirring for 40min at the constant temperature of 60 ℃ to form a semi-finished product;
step two, preparing finished product materials:
and (2) adding the composite additive into the semi-finished product obtained in the step one according to the mass parts, heating to 65 ℃ at a heating rate of 120 ℃/h, and stirring for 50min to obtain a finished product, namely the universal energy-saving environment-friendly heavy-load lubricating oil.
The general energy-saving environment-friendly heavy-load lubricating oil obtained in the embodiments 1 to 4 and the comparative example 1 is detected, wherein:
and (3) a friction wear test, which is carried out by a four-ball method according to the GB314-82 standard, wherein the model of the four-ball method testing machine is MRS-1J, the steel ball is a two-stage standard steel ball (GC15 bearing, HRC59-61), the rotating speed is 1480r/min, and the temperature is room temperature.
The detection results are shown in the following table 1:
table 1: the detection results of the general-purpose energy-saving environment-friendly heavy-load lubricating oil obtained in the examples 1 to 4 and the comparative example 1 are as follows:
Figure BDA0002054694350000101
as can be seen from Table 1, the kinematic viscosity of the general-purpose energy-saving environment-friendly heavy-duty lubricating oil prepared in examples 1 to 4 reaches 83.09mm at 40 DEG C2/s，100℃12.25(mm2/s), the viscosity of the HTHS reached 3.52, the evaporation loss reached 9.8%, and the maximum seizure-free load reached 756.1N.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (4)

1. The general energy-saving environment-friendly heavy-load lubricating oil is characterized by comprising the following components in parts by mass:
A. 10-15 parts of synthetic polyol ester base oil;
B. 68.7-70.1 parts of deep refined three types of base oil;
C. 0.3-0.5 part of polymethacrylate pour point depressant;
D. 3-5 parts of a high shear resistance viscosity index improver;
E. 18-20 parts of a composite additive;
the composite additive comprises the following components in percentage by mass: 30-35% of an antioxidant, 30-35% of an antiwear agent and 30-40% of a detergent;
the antioxidant is one of N, N' -di-sec-butyl-p-phenylenediamine or p-phenylenediamine;
the antiwear agent comprises the following components in parts by weight: 8-11 parts of ricinoleic acid, 6-10 parts of nano molybdenum dioxide, 11-15 parts of polyisopropene and 10-15 parts of nano lanthanum oxide;
the detergent comprises the following components in parts by mass: 20-25 parts of toluene, 3-7 parts of calcium oxide, 1-5 parts of sulfurized dodecylphenol, 2-4 parts of tetrabutyl titanate, 3-7 parts of calcium naphthenate, 2-6 parts of magnesium hydroxide and 4-5 parts of polyisobutenyl succinimide.
2. The universal energy-saving environment-friendly heavy-duty lubricating oil as claimed in claim 1, wherein the detergent is prepared by the following method: adding 40-45 parts by mass of 30-40 ℃ deionized water into a reaction kettle, continuously stirring, then sequentially adding the toluene, calcium oxide, calcium naphthenate, magnesium hydroxide, dodecylphenol sulfide, tetrabutyl titanate and polyisobutylene succinimide into the reaction kettle, and carrying out vacuum stirring reaction for 1-2 hours to obtain the detergent.
3. The general energy-saving environment-friendly heavy-duty lubricating oil as claimed in claim 1, wherein the antiwear agent is prepared by the following method: according to the weight parts, 20-30 parts of 50-60 ℃ deionized water is added into a reaction kettle and continuously stirred, ricinoleic acid, nano molybdenum dioxide, polyisopropene and nano lanthanum oxide are added into the reaction kettle, and the reaction is carried out for 0.8-1.3 h under vacuum stirring to obtain the antiwear agent.
4. The preparation method of the general-purpose energy-saving environment-friendly heavy-duty lubricating oil disclosed by claim 1 is characterized by comprising the following steps of:
step one, preparing a semi-finished product material:
according to the mass parts, firstly adding the synthetic polyol ester base oil and the three types of base oil into a blending kettle, heating to 50-60 ℃ at a heating rate of 80-120 ℃/h, then adding the polymethacrylate pour point depressant and the high shear resistance viscosity index improver into the blending kettle, keeping the temperature to 50-60 ℃, and stirring for 30-40 min to form a semi-finished product;
step two, preparing finished product materials:
and (2) adding the composite additive into the semi-finished product obtained in the step one according to the mass parts, heating to 55-65 ℃ at a heating rate of 80-120 ℃/h, and stirring for 40-50 min to obtain a finished product, namely the preparation method of the universal energy-saving environment-friendly heavy-load lubricating oil.
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