CN107868688A - A kind of engine oil additive and engine oil composition for miniature gasoline engine - Google Patents

A kind of engine oil additive and engine oil composition for miniature gasoline engine Download PDF

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Publication number
CN107868688A
CN107868688A CN201610857643.7A CN201610857643A CN107868688A CN 107868688 A CN107868688 A CN 107868688A CN 201610857643 A CN201610857643 A CN 201610857643A CN 107868688 A CN107868688 A CN 107868688A
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China
Prior art keywords
additive
weight
engine
engine oil
foaming agent
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Inventor
崔海鸥
阴亭
朱军
张国欣
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China Petroleum and Chemical Corp
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China Petroleum and Chemical Corp
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Priority to CN201610857643.7A priority Critical patent/CN107868688A/en
Publication of CN107868688A publication Critical patent/CN107868688A/en
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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
    • C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
    • 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
    • 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
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/024—Propene
    • 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
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl 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
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • 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
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046—Overbasedsulfonic acid 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
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • 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
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • 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
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/12—Groups 6 or 16
    • 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
    • C10N2030/04—Detergent property or dispersant property
    • 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
    • C10N2030/08—Resistance to extreme temperature
    • 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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines

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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 present invention relates to a kind of engine oil additive for miniature gasoline engine, include the component of following parts by weight：0.1~10 part of complex detergents, 0.1~4 part of ashless dispersant, 0.1~2.5 part of oxidation and corrosion inhibitor, 0.05~1.0 part of antioxidant, 0.001~1.5 part of organic molybdenum additive, 0.001~0.01 part of anti-foaming agent；The complex detergents are mixed by two or three in sulfonate, salicylate, alkyl monosulfide phenates.The invention further relates to the engine oil composition containing the additive.Additive and composition provided by the invention have good high temperature detergency, greasy filth dispersiveness and inoxidizability, high temperature deposition thing is low, evaporation loss is small, consumption of lubricating oil is smaller, the formation trend of the engine oil deposit of miniature gasoline engine can be slowed down, the engine sludge for making to be formed under low temperature simultaneously is suspended in engine oil, and effective reduce starts abrasion.

Description

A kind of engine oil additive and engine oil composition for miniature gasoline engine
Technical field
The present invention relates to the additive technology field of lubricating oil, specifically, is related to a kind of profit for miniature gasoline engine Oil additive.
Background technology
Into after 21st century, the country of miniature gasoline engine and export sales increase very fast, part motorcycle production system After making business there is the engine ability of independent research, start the product developing that diversification is carried out, such as Jiangling Honda, be transformed into Produce based on general miniature gasoline engine, Zhejiang posivtive spike Dynamics Co., Ltd has also been set up in Qianjiang motor group, high-new in Wenling Technological development zone goes into operation, and Jiangsu vast stretch of wooded country is producer of the general small-size gasoline engine of largest domestic etc..Thus, development with it is small The supporting special oil product of type gasoline engine, the sale added value for increasing market have positive meaning.
Miniature gasoline engine small volume, specific load are high, mostly air-cooled, and radiating effect is poor, while have concurrently continuous high-strength more Work is spent for a period of time or after period, the operating mode during having part-time idle, such as graden machine, small generator, snowplough Deng.
The characteristics of graden machines such as miniature gasoline engine is not bery high to product quality grade requirement, but use to product and Application requirement is higher, thus has expedited the emergence of the company at home based on specialized sale small gasoline machine oil such as Mo Te, Denver.At present Problem be present is, such product oil volume is small, and general credit rating is not high between 200 milliliters to 400 milliliters, import and state The complexing agent of production, sulfated ash and high temperature deposition thing meet what is required, and credit rating is higher, such as use such complexing agent, Production properties of product price ratio does not have advantage, while requires high, it is necessary to which evaporation loss meets to require to the evaporation loss of product Base oil.
The content of the invention
The present invention provides a kind of engine oil additive for miniature gasoline engine, has good high temperature detergency, oil The features such as mud is dispersed, high temperature deposition thing is low.
Specifically, the invention provides a kind of engine oil additive for miniature gasoline engine, including following weight The component of part：
Preferably, the component of following parts by weight is included：
It is further preferred that include the component of following parts by weight：
Complex detergents of the present invention are by two or three of mixing in sulfonate, salicylate, alkyl monosulfide phenates Form；It is preferred that by sulfonate and salicylate with weight ratio 2~4：1~3 mixes, or by sulfonate, salicylate and sulphur Change alkyl phenate with weight than 2~4：1~2：0.5~1.5 mixes.
Wherein, the sulfonate is middle base number calcium sulfonate or/and overbased magnesium sulfonate, and specially base number is more than 290mgKOH/g calcium sulfonate with high base number or base number is more than 290mgKOH/g overbased magnesium sulfonates.During the calcium sulfonate with high base number is Property, calcium alkylbenzenesulfonate of the linear alkyl benzene sulfonate for raw material is used, its acid neutralization capacity is stronger, and detergency is good, has one Fixed anti-rust action, no antioxidant effect, T106, T106A, T106B specifically can be selected.The overbased magnesium sulfonate is neutrality, is Synthesis type sulfonic acid magnesium, because sulfonic acid magnesium content of ashes is low, the carbon deposit generated after burning is than relatively soft, the acid of neutral overbased magnesium sulfonate Neutralising capacity is medium, no antioxidant effect, there is certain antirust ability, and T107 specifically can be selected.
The salicylate is alkylsalicylate, and specially base number is more than 150mgKOH/g alkyl sodium salicylate or alkane Base magnesium salicylate；The component solubility property is general, and acid neutralization capacity is medium, and antioxygenic property is more excellent, specific that profit English can be selected Join INF C9375, INF C9371, INF C 9006.
The alkyl monosulfide phenates is the sulfurized alkylphenol calcium that base number is more than 130mgKOH/g.
The ashless dispersant has the characteristics of improving oil product high/low temperature dispersiveness, is played with compositions such as detersives preferable Cooperative effect, and there is excellent anti-oxidation characteristics and wear resistence, the compatibility of oil product and rubber can be improved, wherein nitrogen content is more than 1.25%, preferably succimide class ashless dispersant, more preferably double succimide, polyisobutylene-bis-succinimides Or boronation polyisobutylene succinamide.
The oxidation and corrosion inhibitor is one or two kinds of sulphur phosphine base zinc salt oxidation and corrosion inhibitors；Specifically, fourth zinc can be selected Base sulphur phosphorus primary alconol base zinc salt oxidation and corrosion inhibitor, Zn content are not less than 8.5%, and its antioxygenic property is excellent；Or optional secondary alcohol groups Zinc salt oxidation and corrosion inhibitor, abrasion resistance is excellent, effectively reduces and wears and suppress to corrode, more preferably primary alconol base oxidation and corrosion inhibitor T202.Preferably, the oxidation and corrosion inhibitor is sulphur phosphorus alkyl primary alcohol base zinc salt or/and sulphur phosphine base secondary alcohol groups zinc salt；More preferably Mixed by primary alkyl D2EHDTPA zinc and secondary alkylthio trbasic zinc phosphate, further preferably by the two with weight than 7~8:2~ 3 mix.
The antioxidant is mixed by amine type antioxidant and phenol type antioxidant, preferably by the two with weight than 1~2：1 is mixed Conjunction forms.Wherein, the amine type antioxidant is preferably to be alkylated aniline, wherein the nitrogen content of alkylation aniline is more than 4.0%, more Preferably alkylated diphenylamine.The phenol type antioxidant is preferably BHT.
The organic molybdenum additive is cupric or not a kind of or several in the organic-molybdenum salt and its phosphoric acid/thiophosphate of cupric The combination of kind；The organic molybdenum additive is preferably MOLYVAN2000, organic copper-molybdenum MP3001, organic-molybdenum compound MolyVan It is one or more of in 856-B, organic-molybdenum 525.
Because the antifoam property of composition can be varied from the selection of component, the present invention is in order to ensure to each group Divide composition in the case of carrying out preferably that integrally there is good antifoam property, the type of anti-foaming agent is carried out preferably.It is specific and Speech, the anti-foaming agent are silicon type anti-foaming agent or/and compound anti-foaming agent (comprising silicon type anti-foaming agent and non-silicon type antifoamer)；It is described Anti-foaming agent is preferably the silicon type anti-foaming agent that molecular weight is 4000~6000, and more preferably molecular weight is 5000 silicon type anti-foaming agent.
Invention further provides a kind of engine oil composition for miniature gasoline engine, wherein including hydrogenation basis Oil or/and solvent refining base oil and additive of the present invention.
Specifically, the component of following weight percentage is included in the engine oil composition：
In engine oil composition provided by the invention, the base oil used is hydrogenated base oil or/and solvent essence Base oil processed.
Preferably, viscosity index improver or/and pour-point depressant can also be included in the engine oil composition.Described group In compound, the content of preferably described viscosity index improver is 10~15%.In the composition, preferably described pour-point depressant contains Measure as 0.2~0.6%.The specific composition of the viscosity index improver and pour-point depressant can be as needed from existing raw material Selection addition, the present invention do not do particular determination.
As a preferred embodiment of the present invention, the engine oil composition includes the component of following percentage by weight：
In engine oil composition of the present invention, preferably described complex detergents are more than 290mgKOH/g sulphur by base number The alkyl sodium salicylate of sour calcium or sulfonic acid magnesium, base number more than 150mgKOH/g or alkyl sodium salicylate and base number are more than 130mgKOH/g sulfurized alkylphenol calcium is with weight than 2~4：1~2：0.5~1.5 mixes；
The ashless dispersant is succimide class ashless dispersant；
The oxidation and corrosion inhibitor is by primary alkyl D2EHDTPA zinc and secondary alkylthio trbasic zinc phosphate with weight ratio 7~8：2~3 is mixed Conjunction forms；
The antioxidant is by alkylated diphenylamine and BHT with weight ratio 1~2：1 mixes.
As further preferred scheme, in the engine oil composition：Cupric can be selected in the organic molybdenum additive Or combination not one or more of in the organic-molybdenum salt and its phosphoric acid/thiophosphate of cupric, preferably MOLYVAN 2000, have It is one or more of in machine copper-molybdenum MP3001, organic-molybdenum compound MolyVan 856-B, organic-molybdenum 525；The anti-foaming agent can be selected The silicon type that silicon type anti-foaming agent or/and the compound anti-foaming agent comprising silicon type anti-foaming agent, preferably molecular weight are 4000~6000 resists Infusion；Non-dispersive second the third glue OCP dry glues that ethylene contents are 48.0~53.5% can be selected in the viscosity index improver；Institute State pour-point depressant and polymethacrylates pour-point depressant can be selected.
Additive and composition provided by the invention can be mixed by each component, and the present invention is not to its preparation method Do particular determination.
Inventor passes through substantial amounts of experimental study, selects specific component and determines each component dosage, makes each component reasonable Match and reach synergy.And the single dose majority that the present invention uses is the single dose to have domesticized, avoids external single dose Production cycle, the complexing agent production technology fluctuation etc. caused by factor such as change the line of production.
The compositions of additives of the present invention has the advantage of following performance characteristics：With good high temperature detergency, greasy filth Dispersiveness, low, the good inoxidizability of high temperature deposition thing, the features such as evaporation loss is small, and consumption of lubricating oil is smaller；Specifically：
(1) good high temperature detergency：Small gasoline machine oil is in use, under the high temperature conditions, oil product has good profit Slip；In the range of smaller volume, oil product is not likely to produce high temperature deposition thing；
(2) good greasy filth dispersiveness：The fuel tank small volume of miniature gasoline engine, majority is air-cooled, outdoor operating mode, in air The area that humidity is larger, circumstance of temperature difference is larger, temperature is higher during use, and quick cooling can produce low temperature greasy filth, for small size gasoline Oil machine, for the oil product that this seasonal rhythm uses, oil product has good greasy filth dispersiveness particularly important；
(3) good high temperature oxidation stability：The fuel tank small volume of miniature gasoline engine, air-cooled, outdoor operating mode, the work temperature of oil product Degree is higher, and consumption of lubricating oil is very fast, it is desirable to the high-temperature oxidation resistance of complexing agent is preferable, can the decay of effectively suppressant additive cause Consumption of lubricating oil it is too fast.
The engine small volume of miniature gasoline engine, engine oil easily form harder high temperature deposition thing in engine surface, Cause piston or cylinder sleeve position to wear, the good detergency dispersiveness of miniature gasoline engine complexing agent, engine oil can be slowed down and formed The trend of deposit, while the engine sludge formed under low temperature is suspended in engine oil, effective reduce starts abrasion.This hair The performance indications that bright compositions of additives allocates oil product are shown in Table 1.
Table 1：The performance indications of the typical viscosity trade mark of motorcycle compositions of additives of the present invention
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
Each raw material used in following examples is commercially available.
Embodiment 1
A kind of engine oil composition is present embodiments provided, includes the component of following percentage by weight：
After testing, the present embodiment provide engine oil composition have good high temperature detergency, greasy filth dispersiveness and Inoxidizability, wear resistance are excellent.
Embodiment 2
A kind of engine oil composition is present embodiments provided, includes the component of following percentage by weight：
After testing, the present embodiment provide engine oil composition have good high temperature detergency, greasy filth dispersiveness and Inoxidizability, wear resistance are excellent.
Embodiment 3
A kind of compositions of additives of the miniature gasoline engine is present embodiments provided, includes the group of following percentage by weight Point：
After testing, the present embodiment provide engine oil composition have good high temperature detergency, greasy filth dispersiveness and Inoxidizability, wear resistance are excellent.
Embodiment 4
A kind of engine oil composition for miniature gasoline engine is present embodiments provided, its composition is specially：
Alkylated diphenylamine and BHT are with weight ratio
It is the 10W-30 viscosity trades mark to allocate the composition, carries out combination property detection.Testing result is as shown in table 2.
Table 2：10W-30 small gasoline engine oil base oil testing number evidences
Embodiment 5
A kind of engine oil composition for miniature gasoline engine is present embodiments provided, its composition is specially：
It is the 15W-40 viscosity trades mark to allocate the composition, carries out combination property detection.Testing result is as shown in table 3.
Table 3：15W-40 small gasoline engine oil base oil testing number evidences
Compared with regular gasoline machine oil, in the case where physicochemical data is essentially identical, miniature gasoline engine provided by the invention Engine oil composition has excellent high temperature detergency, abrasion resistance preferably, also has than homogenous quantities grade gasoline engine The better base number of oil is horizontal, and phosphorus content is higher, illustrates that wear resistance is more excellent.
Although above the present invention is made to retouch in detail with general explanation, embodiment and experiment State, but on the basis of the present invention, it can be made some modifications or improvements, this is apparent to those skilled in the art 's.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, are belonged to claimed Scope.

Claims (10)

1. a kind of engine oil additive for miniature gasoline engine, it is characterised in that include the component of following parts by weight：
Two or three in sulfonate, salicylate, alkyl monosulfide phenates of the complex detergents；
The complex detergents are preferably by sulfonate and salicylate with weight ratio 2~4：1~3 mixes, or by sulfonate, Salicylate and alkyl monosulfide phenates are with weight ratio 2~4：1~2：0.5~1.5 mixes.
2. additive according to claim 1, it is characterised in that include the component of following parts by weight：
Preferably, the component of following parts by weight is included：
3. additive according to claim 1 or 2, it is characterised in that the sulfonate is that base number is more than 290mgKOH/g Sulfoacid calcium or sulfonic acid magnesium；
And/or the salicylate is the alkyl sodium salicylate or magnesium alkylsalicylate that base number is more than 150mgKOH/g；
And/or the alkyl monosulfide phenates is the sulfurized alkylphenol calcium that base number is more than 130mgKOH/g.
4. according to the additive described in claims 1 to 3 any one, it is characterised in that the ashless dispersant is succinyl Imines ashless dispersant, it is preferably double succimide, polyisobutylene-bis-succinimide or boronation polyisobutenyl fourths two Acid imide.
5. according to the additive described in Claims 1 to 4 any one, it is characterised in that the oxidation and corrosion inhibitor is sulphur phosphine Base primary alconol base zinc salt or/and sulphur phosphine base secondary alcohol groups zinc salt；
The oxidation and corrosion inhibitor is preferably mixed by primary alkyl D2EHDTPA zinc and secondary alkylthio trbasic zinc phosphate, further preferably By the two with weight than 7~8:2~3 mix.
6. according to the additive described in Claims 1 to 5 any one, it is characterised in that the antioxidant is by amine type antioxidant Mixed with phenol type antioxidant, preferably by the two with weight than 1~2：1 mixes.
7. according to the additive described in claim 1~6 any one, it is characterised in that the organic molybdenum additive is cupric Or combination not one or more of in the organic-molybdenum salt and its phosphoric acid/thiophosphate of cupric.
8. according to the additive described in claim 1~7 any one, it is characterised in that the anti-foaming agent is silicon type anti-foaming agent Or/and the compound anti-foaming agent comprising silicon type anti-foaming agent；
The anti-foaming agent is preferably the silicon type anti-foaming agent that molecular weight is 4000~6000.
9. a kind of engine oil composition for miniature gasoline engine, it is characterised in that include hydrogenated base oil or/and solvent essence Additive described in base oil processed and claim 1~8 any one；It is preferred that also include viscosity index improver or/and pour point depression Agent.
10. composition according to claim 9, it is characterised in that include the component of following percentage by weight：
Preferably, the composition includes the component of following percentage by weight：
CN201610857643.7A 2016-09-27 2016-09-27 A kind of engine oil additive and engine oil composition for miniature gasoline engine Pending CN107868688A (en)

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CN109679719A (en) * 2017-10-18 2019-04-26 中国石油化工股份有限公司 Lubricant composition for gasoline engine and preparation method thereof
CN110591788A (en) * 2019-09-07 2019-12-20 盘锦北方沥青股份有限公司 Composition for inhibiting generation of ZDDP oil sludge and application thereof
CN115651732A (en) * 2022-10-24 2023-01-31 辽宁百特润滑科技有限责任公司 Non-zinc railway locomotive lubricating oil additive and preparation method and application thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109679719A (en) * 2017-10-18 2019-04-26 中国石油化工股份有限公司 Lubricant composition for gasoline engine and preparation method thereof
CN109679719B (en) * 2017-10-18 2022-06-28 中国石油化工股份有限公司 Gasoline engine lubricating oil composition and preparation method thereof
CN110591788A (en) * 2019-09-07 2019-12-20 盘锦北方沥青股份有限公司 Composition for inhibiting generation of ZDDP oil sludge and application thereof
CN115651732A (en) * 2022-10-24 2023-01-31 辽宁百特润滑科技有限责任公司 Non-zinc railway locomotive lubricating oil additive and preparation method and application thereof

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