CN114958463A - Preparation method and product of energy-saving emission-reducing engine oil composition additive - Google Patents

Preparation method and product of energy-saving emission-reducing engine oil composition additive Download PDF

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CN114958463A
CN114958463A CN202210107941.XA CN202210107941A CN114958463A CN 114958463 A CN114958463 A CN 114958463A CN 202210107941 A CN202210107941 A CN 202210107941A CN 114958463 A CN114958463 A CN 114958463A
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engine oil
oil composition
energy
composition additive
reducing engine
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CN114958463B (en
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刘继帅
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Zhejiang Lijing Environmental Protection Technology Engineering Co ltd
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Zhejiang Lijing Environmental Protection Technology Engineering Co ltd
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—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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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/022—Ethene
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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
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • C—CHEMISTRY; METALLURGY
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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
    • C10M2209/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an acyloxy radical of saturated carboxylic or carbonic acid
    • C10M2209/062—Vinyl esters of saturated carboxylic or carbonic acids, e.g. vinyl acetate
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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
    • C10M2209/084—Acrylate; Methacrylate
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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
    • C10M2209/086—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 polycarboxylic, e.g. maleic acid
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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
    • C10M2215/062—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups bound to the aromatic ring
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    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28—Amides; Imides
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
    • 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
    • C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
    • C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
    • C10M2219/066—Thiocarbamic type compounds
    • C10M2219/068—Thiocarbamate metal salts
    • 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
    • C10M2219/089—Overbased salts
    • 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
    • C10N2030/02—Pour-point; Viscosity index
    • 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
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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
    • C10N2030/08—Resistance to extreme temperature
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
    • 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
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • 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
    • C10N2030/54—Fuel economy
    • C—CHEMISTRY; METALLURGY
    • 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
    • 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
    • C10N2030/68—Shear stability
    • C—CHEMISTRY; METALLURGY
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

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

Abstract

The invention discloses a preparation method and a product of an energy-saving and emission-reducing engine oil composition additive, wherein the preparation method comprises the following steps: sequentially adding the preparation raw materials into a reaction kettle from high to low according to the addition amount, mixing, stirring and filtering to obtain a mixture; and (4) processing the mixture obtained in the step S1 by using terahertz equipment to obtain the energy-saving and emission-reducing engine oil composition additive. The preparation method of the engine oil composition additive is simple, the obtained engine oil composition additive has low pour point, high flash point, low gray level, excellent low-temperature fluidity, shear stability, thermal stability, oxidation resistance, corrosion resistance, wear resistance and low foaming property, the viscosity of the engine oil composition additive changes gently along with the ambient temperature, the formation of oil sludge can be effectively controlled, the full combustion and discharge of carbon deposit are promoted, the service efficiency and the service life of the engine oil are improved, the engine oil composition additive is economic and environment-friendly, and the engine oil composition additive can be widely used for various vehicles and different seasons, and particularly has a remarkable lubricating effect in winter.

Description

Preparation method and product of energy-saving emission-reducing engine oil composition additive
Technical Field
The invention relates to the field of preparation of engine oil compositions, C10M169/04, in particular to a preparation method and a product of an energy-saving and emission-reducing engine oil composition additive.
Background
The engine oil, namely engine lubricating oil, can play roles in lubricating, antifriction, auxiliary cooling, sealing, leakage prevention, rust prevention, corrosion prevention, shock absorption, buffering and the like for an engine, and is mainly prepared by compounding base oil and an additive. In the automobile that urban road went, the random switching of high-low speed often need be carried out, and this probably leads to high temperature long-pending charcoal, low temperature fatlute scheduling problem, further arouses problems such as oil circuit jam, piston ring wearing and tearing, auto-parts corruption, makes the fuel can not fully burn, has increased the change number of times of machine oil, and the not up to standard of automobile exhaust discharges also can further destroy the environment simultaneously.
Patent CN201610543982.8 discloses a preparation method of SN-grade gasoline engine oil with viscosity of 5W/30, wherein base oil is formed by mixing high-end PAO, hydrogenated base oil and polyol ester, and also comprises additives of polymethacrylate and polyisobutylene, mixed functional agents of barium petroleum synthetic sulfonate, zinc dialkyl dithiophosphate and sodium molybdate. The patent CN202110446099.8 discloses a gasoline engine oil of SP grade and a preparation method thereof, the gasoline engine oil comprises a gasoline engine oil complexing agent, a viscosity index improver, a pour point depressant, a base oil A and a base oil B, and the gasoline engine oil has stronger protective performance under low viscosity, effectively reduces the low-speed pre-ignition phenomenon of a turbocharged engine, and effectively improves the low-temperature fluidity and the oxidation resistance of the obtained oil product. However, the problems of carbon deposition, insufficient combustion and the like still exist in the combustion process of the gasoline engine oil.
Disclosure of Invention
The invention provides a preparation method and a product of the energy-saving and emission-reducing engine oil composition additive, solves the technical problem which can be solved by the exclusive rights in the prior art, and realizes the technical effect.
The invention provides a preparation method of an energy-saving emission-reducing engine oil composition additive, which comprises the following steps:
s1, sequentially adding base oil, an auxiliary agent, a succinimide substance, a finger-sticking agent, an antioxidant and a polymer into a reaction kettle, mixing, stirring and filtering to obtain a mixture;
s2, treating the mixture obtained in the step S1 through terahertz equipment to obtain the energy-saving and emission-reducing engine oil composition additive;
in some preferred embodiments, in S1, the preparation raw materials include, by weight: 0.1-0.5% of polymer, 4-10% of adhesive, 4-13% of antioxidant, 5-15% of succinimide substance, 5-20% of auxiliary agent and 100% of base oil;
in some preferred embodiments, the polymer is selected from one or more of polymethacrylates, polyalphaolefins, polyacrylates, alkyl polymethacrylates; preferably, the polymer is selected from polymethacrylates;
in some preferred embodiments, the polymethacrylate has a kinematic viscosity at 100 ℃ of > 350mm 2 S, decreaseThe degree of coagulation is more than 15; preferably, the kinematic viscosity of the polymethacrylate at 100 ℃ is more than or equal to 400mm 2 The pour point depression degree is more than or equal to 20;
in some preferred embodiments, the adhesive is selected from one or more of hydrogenated styrene diene copolymer, styrene polyester, poly-n-butyl vinyl ether, maleate-acrylate-vinyl acetate copolymer, ethylene-propylene copolymer, higher alcohol methacrylate-vinyl acetate copolymer; preferably, the adhesive is a maleate-acrylate-vinyl acetate copolymer and an ethylene-propylene copolymer;
in some preferred embodiments, the maleate-acrylate-vinyl acetate copolymer has a flash point of greater than 90 ℃ and a pour point depression of 5 to 30 ℃; preferably, the flash point of the maleic ester-acrylate-vinyl acetate copolymer is more than 110 ℃, and the pour point depression is 10-25 ℃;
in some preferred embodiments, the ethylene-propylene copolymer has a thickening power of 5.0 to 8.5mm 2 (ii)/s, flash point > 170 ℃; preferably, the thickening capacity of the ethylene-propylene copolymer is 6.5-7.5 mm 2 The flash point is more than or equal to 185 ℃;
in some preferred embodiments, the mass ratio of the maleate-acrylate-vinyl acetate copolymer to the ethylene-propylene copolymer is (1-2): (0.8 to 1.7);
in some preferred embodiments, the antioxidant is selected from one or more of 2, 6-di-tert-butyl-p-cresol arylamine, butyldiphenylamine, octyldiphenylamine, nonyldiphenylamine, isooctyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, alkylated diphenylamine, phenolic ester type antioxidants; preferably, the antioxidant is selected from 2, 6-di-tert-butyl p-cresol arylamine and phenolic ester type antioxidant;
in some preferred embodiments, the phenolic ester antioxidant is a phenolic ester ashless antioxidant; preferably, the flash point of the phenolic ester type ashless antioxidant is more than 170 ℃, and the moisture content is less than 0.08%; further preferably, the flash point of the phenolic ester type ashless antioxidant is more than or equal to 180 ℃, and the water content is less than or equal to 0.05 percent;
in some preferred embodiments, the mass ratio of the 2, 6-di-tert-butyl-p-cresol arylamine to the phenolic ester antioxidant is 1: (0.5 to 2); preferably, the mass ratio of the 2, 6-di-tert-butyl-p-cresol arylamine to the phenolic ester type antioxidant is 1: 1.2;
in some preferred embodiments, the succinimide species is selected from one or more of high molecular weight succinimides, mono-alkenyl succinimides, boronated bis-succinimides, boronated polyisobutylene bis-succinimides, bis-alkenyl succinimides, polyisobutylene bis-succinimides; preferably, the succinimide substances are high molecular weight succinimide and borated polyisobutylene bis-succinimide;
in some preferred embodiments, the high molecular weight succinimide has a kinematic viscosity at 100 ℃ of 250 to 500mm 2 (s) nitrogen content is 0.7-1.5%; preferably, the kinematic viscosity of the high molecular weight succinimide at 100 ℃ is 300-450 mm 2 (s) nitrogen content is 1.0-1.1%;
in some preferred embodiments, the boronated polyisobutylene bis-succinimide has a kinematic viscosity at 100 ℃ of 150 to 300mm 2 (ii) a total base number of 10 to 40 mgKOH/g; preferably, the kinematic viscosity of the boronized polyisobutylene bis-succinimide at 100 ℃ is 180-220 mm 2 (ii) a total base number of 15 to 30 mgKOH/g;
in some preferred embodiments, the mass ratio of the high molecular weight succinimide to the boronated polyisobutylene bis-succinimide is (1-3): 1; preferably, the mass ratio of the high molecular weight succinimide to the boronated polyisobutylene bis-succinimide is 1.8: 1;
in some preferred embodiments, the adjuvant comprises a detergent, a frictionizer;
in some preferred embodiments, the detergent is selected from one or more of overbased calcium petroleum sulfonates, overbased calcium alkylsalicylates, overbased magnesium synthetic sulfonates, overbased calcium sulfurized alkylphenates, and sulfurized barium alkylphenates; preferably, the detergents are high base number calcium alkyl salicylate and calcium sulfurized alkyl phenate;
in some preferred embodiments, the overbased calcium alkylsalicylate has a total base number of > 250mgKOH/g, a haze of < 180 NTU; preferably, the total base number of the high-base-number calcium alkyl salicylate is more than or equal to 265mgKOH/g, and the turbidity is less than or equal to 150 NTU;
in some preferred embodiments, the calcium sulfurized alkylphenol has a total base number of > 140mgKOH/g and a flash point of > 150 ℃; preferably; the total base number of the sulfurized calcium alkyl phenate is more than or equal to 250mgKOH/g, and the flash point is more than or equal to 170 ℃;
in some preferred embodiments, the mass ratio of the high-base-number calcium alkylsalicylate to the sulfurized calcium alkyl phenate is (1-3): 1; preferably, the mass ratio of the high-base-number calcium alkylsalicylate to the sulfurized calcium alkyl phenate is 2: 1;
in some preferred embodiments, the abrasive is selected from one or more of nano calcium hexadecylborate, molybdenum dialkyl dithiocarbamate, molybdenum dialkyl dithiophosphate, zinc dialkyl thiophosphate, sulfurized oxymolybdenum dialkyl dithiocarbamate, nano titanium boride; preferably, the friction agent is molybdenum dialkyl dithiocarbamate and nano titanium boride;
in some preferred embodiments, the nano titanium boride has a D50 of 10 to 100 nm; preferably, the D50 of the nano titanium boride is 20-40 nm;
in some preferred embodiments, the mass ratio of the molybdenum dialkyl dithiocarbamate to the nano titanium boride is (1-2.5): (0.5 to 1.3); preferably, the mass ratio of the molybdenum dialkyl dithiocarbamate to the nano titanium boride is 1.7: 0.9;
in some preferred embodiments, the main technology of the terahertz device processing in S2 is far infrared high frequency oscillation;
in some preferred embodiments, the terahertz device in S2 is developed by the company itself.
The invention provides an energy-saving emission-reducing engine oil composition additive, which is prepared by the method.
Has the advantages that:
(1) through handling base oil and polymer, the finger-gluing agent, anti-oxidant, the succinimide class material, the auxiliary agent is mixed back through this application distinctive terahertz equipment in this application, adopt far infrared high frequency vibration to make the macromolecular material in the fuel tank break the fusion in the twinkling of an eye, arrange in order fast and make up into the micromolecule, the dissolving dispersibility in the oil has been increased, the fuel quality has been improved, make combustion efficiency improve the at utmost, effectively clear away the carbon deposit, the secondary atomization of mist has been improved rapidly simultaneously, reach chemical energy and change into physical energy, make the combustion chamber reach more abundant combustion efficiency, obtain lower evaporation loss, reduce the vehicle oil consumption, assist vehicle low temperature to start, the advantage that has energy saving and emission reduction, and help reducing the harmful gas in the vehicle exhaust emission after the use.
(2) The applicant has found that the kinematic viscosity at 100 ℃ of the system added is > 350mm 2 The polymer can improve the freezing point of the system, particularly the kinematic viscosity of more than or equal to 400mm when the temperature is 100 DEG C 2 The polymethacrylate can lower the freezing point of the engine oil composition additive, reduce the pour point to below 35 ℃ below zero, and improve the low-temperature fluidity. Presumably, the polymethacrylate is formed by copolymerizing a plurality of methacrylates having an ester side chain carbon number distribution of C12-C18 and an average carbon number of 13.5-14, and the alkyl side chain contained therein can be co-crystallized with the wax to form uniform and loose grains, thereby lowering the solidification point. In addition, the lubricating oil composition has synergistic effect with other components in the system, can obviously improve the dispersion and solubility of the system, and obviously improves the shear resistance, chemical stability and thermal oxidation stability of the lubricating oil composition.
(3) The preparation method of the engine oil composition additive is simple, the obtained engine oil composition additive has low pour point, high flash point, low gray level, excellent low-temperature fluidity, shear stability, thermal stability, oxidation resistance, corrosion resistance, wear resistance and low foaming property, the viscosity of the engine oil composition additive changes gently along with the ambient temperature, the formation of oil sludge can be effectively controlled, the sufficient combustion and discharge of carbon deposit can be promoted, the service efficiency and the service life of the engine oil are improved, the engine oil composition additive is economical and environment-friendly, and the engine oil composition additive can be widely used for various vehicles and different seasons, and particularly has a remarkable lubricating effect in winter.
Detailed Description
Example 1.
1. A preparation method of an energy-saving emission-reducing engine oil composition additive comprises the following steps:
s1, sequentially adding base oil, an auxiliary agent, a succinimide substance, a finger-sticking agent, an antioxidant and a polymer into a reaction kettle, mixing, stirring and filtering to obtain a mixture;
s2, treating the mixture obtained in the step S1 through terahertz equipment to obtain the energy-saving and emission-reducing engine oil composition additive;
in the S1, the preparation raw materials comprise, by weight: 0.25% of polymer, 6% of adhesive, 5% of antioxidant, 7% of succinimide substance, 10% of auxiliary agent and 100% of base oil;
the polymer is selected from polymethacrylates; the kinematic viscosity of the polymethacrylate at 100 ℃ is more than or equal to 400mm 2 (ii)/s, pour point depression ≥ 20 (St. John, Chemicals, Inc., model number T602A);
the adhesive is maleic acid ester-acrylic ester-vinyl acetate copolymer and ethylene-propylene copolymer;
the flash point of the maleic ester-acrylate-vinyl acetate copolymer is more than 110 ℃, and the pour point depression is 10-25 ℃ (T808B from New Petroleum additives GmbH, Jinzhou);
the thickening capacity of the ethylene-propylene copolymer is 6.5-7.5 mm 2 (ii)/s, flash point of 185 deg.C or more (model KT615, Kantai lubricating oil additives, Inc., of Jinzhou);
the mass ratio of the maleic ester-acrylate-vinyl acetate copolymer to the ethylene-propylene copolymer is 1.2: 1.5;
the antioxidant is selected from 2, 6-di-tert-butyl p-cresol arylamine and phenolic ester type antioxidant;
the phenolic ester type antioxidant is phenolic ester type ashless antioxidant; the flash point of the phenolic ester ashless antioxidant is more than or equal to 180 ℃, and the water content is less than or equal to 0.05 percent (the model KT5135 of Jinzhou Congtai lubricating oil additive Co., Ltd.);
the mass ratio of the 2, 6-di-tert-butyl p-cresol arylamine to the phenolic ester antioxidant is 1: 1.2;
the succinimide substance is high molecular weight succinimide and borated polyisobutylene bis-succinimide;
the kinematic viscosity of the high molecular weight succinimide at 100 ℃ is 300-450 mm 2 The nitrogen content is 1.0-1.1% (New Petroleum additives, Inc. of Jinzhou, model T-161);
the kinematic viscosity of the boronized polyisobutylene bis-succinimide at 100 ℃ is 180-220 mm 2 (ii) a total base number of 15 to 30mgKOH/g (Nakagaku additives, Calif., model: HM-154B);
the mass ratio of the high molecular weight succinimide to the boronized polyisobutylene bis-succinimide is 1.8: 1;
the auxiliary agent comprises a detergent and an abrasive;
the mass ratio of the detergent to the friction agent is 1: 1.5;
the detergent is high-base-number calcium alkyl salicylate and calcium sulfurized alkylphenol;
the total base number of the high-base-number calcium alkyl salicylate is more than or equal to 265mgKOH/g, and the turbidity is less than or equal to 150NTU (KTSA 250, model number, manufactured by Kantai lubricating oil additive Co., Ltd., Jinzhou);
the total base number of the sulfurized calcium alkyl phenate is more than or equal to 250mgKOH/g, and the flash point is more than or equal to 170 ℃ (from West New Petroleum additives, Inc., model number T-115B);
the mass ratio of the high-base-number calcium alkyl salicylate to the sulfurized calcium alkyl phenate is 2: 1;
the friction agent is molybdenum dialkyl dithiocarbamate and nano titanium boride;
the D50 of the nano titanium boride is 20-40 nm (model TiB of special materials for aerospace, Inc. of Huawei Hunan China) 2 3000)；
The mass ratio of the molybdenum dialkyl dithiocarbamate to the nano titanium boride is 1.7: 0.9;
the base oil is 100N base oil;
the main technology for processing the terahertz equipment in the S2 is far infrared high-frequency oscillation;
the terahertz equipment in the S2 is obtained by independent research and development of the company.
2. An energy-saving emission-reducing engine oil composition additive is prepared by the method.
Example 2:
1. the preparation method of the energy-saving emission-reducing engine oil composition additive is different from that of the embodiment 1 in that:
in the S1, the preparation raw materials comprise, by weight: 0.3% of polymer, 6.5% of adhesive, 4.5% of antioxidant, 8% of succinimide substance, 12% of auxiliary agent and 100% of base oil;
2. an energy-saving emission-reducing engine oil composition additive is the same as that in example 1.
Comparative example 1:
1. the preparation method of the energy-saving emission-reducing engine oil composition additive is different from that of the embodiment 1 in that:
the polymer is selected from polymethacrylates; the kinematic viscosity of the polymethacrylate at 100 ℃ is more than or equal to 2500mm 2 (ii)/s, thickening power of 15.76% or more (St. John, Chemicals, Inc., model number T602 HB);
2. an energy-saving emission-reducing engine oil composition additive is the same as that in example 1.
Comparative example 2:
1. the preparation method of the energy-saving emission-reducing engine oil composition additive is different from that of the embodiment 1 in that:
the succinimide substance is high molecular weight succinimide;
2. an energy-saving emission-reducing engine oil composition additive is the same as that in example 1.
Comparative example 3:
1. the preparation method of the energy-saving emission-reducing engine oil composition additive is different from that of the embodiment 1 in that:
the preparation method comprises the following steps:
sequentially adding base oil, an auxiliary agent, a succinimide substance, a finger sticking agent, an antioxidant and a polymer into a reaction kettle, mixing, stirring and filtering to obtain the modified vegetable oil;
2. an energy-saving emission-reducing engine oil composition additive is the same as that in example 1.
And (4) performance testing:
TABLE 1 lubricating oil additive Performance test results obtained in example 1
Figure BDA0003494525410000071
Figure BDA0003494525410000081
TABLE 2 lubricating oil composition performance test results obtained in examples and comparative examples
Figure BDA0003494525410000082

Claims (10)

1. The preparation method of the energy-saving emission-reducing engine oil composition additive is characterized by comprising the following steps of:
s1, sequentially adding base oil, an auxiliary agent, a succinimide substance, a finger-sticking agent, an antioxidant and a polymer into a reaction kettle, mixing, stirring and filtering to obtain a mixture;
and S2, treating the mixture obtained in the step S1 through terahertz equipment to obtain the energy-saving and emission-reducing engine oil composition additive.
2. The preparation method of the energy-saving emission-reducing engine oil composition additive as claimed in claim 1, wherein in the step S1, the preparation raw materials comprise, by weight: 0.1-0.5% of polymer, 4-10% of adhesive, 4-13% of antioxidant, 5-15% of succinimide substance, 5-20% of auxiliary agent and 100% of base oil.
3. The method for preparing the additive for the energy-saving and emission-reducing engine oil composition as claimed in claim 2, wherein the polymer is one or more selected from polymethacrylate, polyalphaolefin, polyacrylate and alkyl polymethacrylate.
4. The preparation method of the energy-saving emission-reducing engine oil composition additive as claimed in claim 2 or 3, wherein the polymer is selected from polymethacrylate.
5. The method for preparing the additive of the energy-saving and emission-reducing engine oil composition as claimed in claim 2, wherein the finger-sticking agent is one or more selected from hydrogenated styrene diene copolymer, styrene polyester, poly-n-butyl vinyl ether, maleic ester-acrylic ester-vinyl acetate copolymer, ethylene-propylene copolymer, and methacrylic acid higher alcohol ester-vinyl acetate copolymer.
6. The method for preparing the energy-saving emission-reducing engine oil composition additive as claimed in claim 5, wherein the finger-gluing agent is a maleate-acrylate-vinyl acetate copolymer and an ethylene-propylene copolymer.
7. The method for preparing the energy-saving emission-reducing engine oil composition additive as claimed in claim 2, wherein the antioxidant is selected from one or more of 2, 6-di-tert-butyl-p-cresol arylamine, butyl diphenylamine, octyl diphenylamine, nonyl diphenylamine, isooctyl beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionate, alkylated diphenylamine and phenolic ester type antioxidants.
8. The method for preparing the additive for the energy-saving and emission-reducing engine oil composition as claimed in claim 1, wherein the auxiliary agent comprises a detergent and a friction agent.
9. The method for preparing the energy-saving emission-reducing engine oil composition additive as claimed in claim 8, wherein the detergent is selected from one or more of high-base-number calcium petroleum sulfonate, high-base-number calcium alkyl salicylate, super-base-number synthetic magnesium sulfonate, high-base-number sulfurized calcium alkyl phenate and sulfurized barium alkyl phenate.
10. An energy-saving emission-reducing engine oil composition additive, which is characterized by being prepared by the preparation method of any one of claims 1 to 9.
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