CN106753713A - A kind of natural gas and gasoline dual fuel engine lubricant oil composite - Google Patents

A kind of natural gas and gasoline dual fuel engine lubricant oil composite Download PDF

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Publication number
CN106753713A
CN106753713A CN201611134281.5A CN201611134281A CN106753713A CN 106753713 A CN106753713 A CN 106753713A CN 201611134281 A CN201611134281 A CN 201611134281A CN 106753713 A CN106753713 A CN 106753713A
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China
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oil
natural gas
gasoline
gasoline engine
engine oil
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周维波
王立华
王树立
徐薇
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Changchun Xinhua Petrochemical Processing Co Ltd
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Changchun Xinhua Petrochemical Processing Co Ltd
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Priority to CN201611134281.5A priority Critical patent/CN106753713A/en
Publication of CN106753713A publication Critical patent/CN106753713A/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
    • 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
    • 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
    • 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
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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
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
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    • 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
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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
    • C10M2215/086—Imides
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    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
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    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
    • C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
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    • 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
    • C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
    • C—CHEMISTRY; METALLURGY
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    • 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
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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
    • C10M2219/088—Neutral salts
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    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • C—CHEMISTRY; METALLURGY
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    • 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
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    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
    • 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
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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
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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
    • C10N2030/72—Extended drain
    • 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

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

Abstract

A kind of natural gas and gasoline dual fuel engine lubricant oil composite that the present invention is provided include 20W/50,10W/40 and 5W/30.The detersive of base number synthesis Huang Suan Gai ﹑ alkyl sodium salicylates and calcium sulfenyl phenolate in present invention use；The antiwear additive of the octyl group with extremely strong antioxygenic property/butyl Er Ben An ﹑ phenolic ester types antioxidant and zinc dialkyl dithiophosphate, dialkyl thiocarbamic acid zinc and sulfide isobutene.So as to solve the not enough defect of too high gasoline engine oil ash content, inoxidizability and wear resistence.A kind of natural gas and gasoline dual fuel engine lubricant oil composite that the present invention is provided, gasoline engine oil is all significantly better than in antioxygen property, frictional property, abrasion resistance, maximum nonseizure load PB values, ash value and cryogenic property.Average drain period extension 54.55%.

Description

A kind of natural gas and gasoline dual fuel engine lubricant oil composite
Technical field
The present invention relates to a kind of lubricating oil, more particularly to a kind of natural gas and gasoline dual fuel engine lubricating oil composition Thing.
Background technology
Motor vehicle exhaust emission Xian ﹑ are endangered to the pollution increasingly serious and our times energy of air due to facing the whole world Under machine state, various countries are just endeavouring the development and application of clean energy resource.Natural gas as typical clean fuel, with this ﹑ of Di Cheng Low row is put ﹑ and suppresses the advantage such as room Wen Xiaoying ﹑ aboundresources, can reduce the dependence to oil, is also clean energy resource and vapour from now on The main fuel of car fuel.
The operating temperature of natural gas engine is higher than petrol engine, and delivery temperature reaches 165 DEG C~235 DEG C, high temperature work Condition promotes engine oil to produce oxidation, causes the kinematic viscosity of engine oil and acid number rapid growth, is unfavorable for lubricating oil film shape Into；Simultaneously as deposit increases can influence engine efficiency and service life, high temperature causes the nitration value of engine oil to increase Greatly, excessive greasy filth is produced.Therefore, gas engine oil should have excellent antioxygenic property and anti-Nitrification, such that it is able to Reduce the generation of greasy filth.
Natural gas has ratio heat content higher than liquid hydrocarbon fuel, so it will fire than liquid hydrocarbon under typical conditions It is hotter that material burns.Additionally, because natural gas is gas, it will not make suction compared with HC fuel liquid condition by evaporation Air cooling.And, many engines with natural gas as fuel are operated all under the conditions of at or approximately at Chemical Calculation, because This less excessive air can be used to dilute and cooling combusting gas.The result is that the engine with natural gas as fuel is than burning The engine of liquid hydrocarbon fuel produces burning gas temperature higher.Because double fuel taxi is continuous close to full load operation Condition, it is therefore tightened up to lubricating oil requirements.Due to making lubricating oil be subjected to continuous high temperature environment, the life-span of lubricating oil is generally received Oxidizing process is limited.It is extension machine so suppressing oil oxidation rate of decay by improving the high temperature antioxidant of lubricating oil The preferred plan of the service life of oil.
At present, for using natural gas and the multiplex gasoline engine oil of gasoline dual fuel engine as lubrication, gasoline engine oil Greasy property index is not well positioned to meet the actual operation requirements of double fuel taxi.Therefore, develop natural gas and gasoline is double Engine fuel lubricant oil composite is in fact to be badly in need of in the industry.
The content of the invention
In order to solve the problems, such as prior art, moisten the invention provides a kind of natural gas and gasoline dual fuel engine Sliding oil composition.
Include the invention provides a kind of natural gas and gasoline dual fuel engine lubricant oil composite：（1）Natural gas and Gasoline dual fuel engine lubricant oil composite 20W/50（Abbreviation 20W/50）, it is made up of the raw material of following mass percent：Clearly Net agent：Middle calcium alkylbenzensulfonates 1.0%, alkyl sodium salicylate 0.52%, calcium sulfenyl phenolate 0.4%；Dispersant：Poly- isobutyl Alkene succimide 2.28%, boronation polyisobutene succinimide 2.52%；Antiwear additive：Zinc dialkyl dithiophosphate 0.58%, dialkyl thiocarbamic acid zinc 0.42% and sulfide isobutene 0.5%；Antioxidant：Octyl group/butyl diphenylamines 0.55%, phenolic ester type antioxidant 0.35%, thiadiazoles derivative 0.2%；Viscosity index improver：Ethylene-propylene copolymer （OCP）3%；Pour-point depressant：Poly alpha olefin 0.8%；Anti-foaming agent：Methyl-silicone oil composite anti-foam agent 0.01%；Base oil 250N 17% ﹑ 500N 52.87% and 150BS 17%；
（2）Natural gas and gasoline dual fuel engine lubricant oil composite 10W/40（Abbreviation 10W/40）, described in its composition Viscosity index improver:Ethylene-propylene copolymer（OCP）It is 6%；Base oil 250N is 27% ﹑ 500N for 8% and 150N is 48.87%, remaining same 20W/50；
（3）Natural gas and gasoline dual fuel engine lubricant oil composite 5W/30（Abbreviation 5W/30）, it is glutinous described in its composition Degree index improver:Ethylene-propylene copolymer（OCP）2%, polymethacrylates（PMA）2%；Base oil 100N 30.87% and 150N 55%, remaining same 20W/50.
Design Mechanism of the invention：The liquid fuels such as the gasoline micro particle of a small amount of imperfect combustion in combustion Very important lubrication is provided to air valve/valve seat.Dual fuel engine gasoline engine oil, due to indicating oven temperature of engine, Cause air valve and the too fast scorification of valve seat；The ash content of gasoline engine oil is too high, easily blocks air valve and valve seat.Due to natural gas compared with " dry ", the lubricating function for not possessing liquid fuel, thus lubrication is reduced to valve seat, so having one in being necessarily required to lubricating oil Fixed ash content plays lubrication, such that it is able to the abrasion for preventing valve seat too fast.Oil product ash content has double action, and ash content is too low to be reached Less than effective lubrication, the abrasion of aggravation valve system；Ash content is too high can to cause valve to produce groove and with late gate scaling loss, excessive Ash content can also result in compression and lose or combustion chamber deposit detonation.
Good valve wear control is also important for the operating cost reduction of engine, and can be by providing appropriate amount Reached with the ash content of component.Additionally, being considered as combustion chamber deposit and spark plug product in these oily contents of ashes are set Dirt is minimized.The content of ashes of lubricating oil is limited, it is therefore necessary to carefully select detersive so that piston deposit and ring are bonded Minimize.
The detersive of base number synthesis Huang Suan Gai ﹑ alkyl sodium salicylates and calcium sulfenyl phenolate in the detersive use, no The high temperature detergency of oil product can be only improved, but also the anti-oxidant and antiwear property of oil product can be strengthened.
The boronation polyisobutene succinimide of the dispersant can not only make oil product keep good dispersive property, make oil During the polar compound that product are produced in decay process can be good at being dispersed in oil product, and it is unlikely to deposition, while can also improve The abrasion resistance of oil product and the sealing property to elastomeric material.
The dialkyl thiocarbamic acid zinc of antiwear additive and the octyl group of antioxidant/butyl diphenylamines are turned into different antioxygens Cooperated with mechanism and inhibit the high-temperature oxydation of lubricating oil jointly, assign said composition excellent high temperature oxidation resistance, can made Oil product is all possessing good antioxygenic property from low temperature to high temperature, suppresses oil oxidation rate of decay, extends the use of machine oil Life-span.
The viscosity index improver is greatly improved the viscosity temperature characteristic of oil product, can also keep its good low temperature flow Property.
A kind of natural gas and gasoline dual fuel engine lubricant oil composite preparation method that the present invention is provided are as follows：By proportioning, Base oil is added in reactor, 60 DEG C -70 DEG C are warming up to, other materials are added, stirred 90-150 minutes, filtering, inspection, It is filling.
Beneficial effect：(1) a kind of natural gas and gasoline dual fuel engine lubricant oil composite that the present invention is provided can be prevented Only or the air bleeding valve shrinkage depression that suppresses in internal combustion engine with natural gas as fuel, lubricant ash advantageously acts as protection valve/valve The solid film lubricant at seat interface, instead of spontaneous exhaust gas particle in the engine with fuel.Control ash content is also to grind Make the key of natural gas of the invention and gasoline dual fuel engine lubricant oil composite.The ash content of oil product is limited by detersive System, it is therefore necessary to careful selection detersive.
The sulfated ash percent value of gasoline engine oil SL 20W/50 is 0.92 ﹪.20W/50 sulfated ash percentages It is 0.68 ﹪ to be worth.The sulfated ash percent value of GB/T 2433 is 0.5-0.7 ﹪.It can be seen that, 20W/50 sulfated ashes hundred Divide ratio completely in standard value range.The sulfated ash percent value of gasoline engine oil SL 20W/50 is well beyond GB/T 2433 sulfated ash percent value.
The sulfated ash percent value of gasoline engine oil SL 10W/40 is 0.96 ﹪.10W/40 sulfated ash percentages It is 0.69 ﹪ to be worth.The sulfated ash percent value of GB/T 2433 is 0.5-0.7.It can be seen that, 10W/40 sulfated ash percentages Ratio is completely in standard value range.The sulfated ash percent value of gasoline engine oil SL 10W/40 is well beyond GB/T 2433 sulfated ash percent value.
The sulfated ash percent value of gasoline engine oil SL 5W/30 is 0.95 ﹪.5W/30 sulfated ash percent values It is 0.66 ﹪.The sulfated ash percent value of GB/T 2433 is 0.5-0.7.It can be seen that, 5W/30 sulfated ash percent values Completely in standard value range.The sulfated ash percent value of gasoline engine oil SL 5W/30 is well beyond GB/T's 2433 Sulfated ash percent value
The valve shrinkage depression value of 10W/40 is 0.0005 inch/1000 hours, and the valve shrinkage depression value of gasoline engine oil SL 10W/40 is 0.00152 inch/1000 hours, both compared, and the former is only the 32.9% of the latter.Illustrate the valve shrinkage depression of 10W/40 of the invention It is worth good many of valve shrinkage depression value than gasoline engine oil SL 10W/40.
（2）A kind of natural gas and gasoline dual fuel engine lubricant oil composite that the present invention is provided have the anti-oxidant of brilliance Performance, the drain period of extension dual fuel engine oil.Oxidation longevity of the oxidation life of 20W/50 than gasoline engine oil SL 20W/50 Life improves 11.81%.The oxidation life of 10W/40 improves 13.25% than the oxidation life of gasoline engine oil SL 10W/40. The oxidation life of 5W/30 improves 14.2% than the oxidation life of gasoline engine oil SL 5W/30.
（3）A kind of natural gas and gasoline dual fuel engine lubricant oil composite that the present invention is provided have excellent wear-resistant Antifriction performance, possesses good oil-saving effect.Antiwear and friction reduction property is mainly manifested in engine luggine reduction, operates steadily, and makes an uproar Sound is substantially reduced, and driver behavior is flexibly comfortable.Coefficient of friction of the coefficient of friction of 20W/50 than gasoline engine oil SL 20W/50 is reduced 23.46%.The coefficient of friction of 10W/40 reduces 19.1% than the coefficient of friction of gasoline engine oil SL 10W/40.5W/30's rubs The coefficient of friction for wiping coefficient ratio gasoline engine oil SL 5W/30 reduces 17.05%.
The mill spot of 20W/50 is straight straight through few 23.91% through the mill spot than gasoline engine oil SL 20W/50.The mill spot of 10W/40 It is straight through the mill spot than gasoline engine oil SL 10W/40 straight reduced 14.29%.The mill spot of 5W/30 is straight through than gasoline engine oil SL The mill spot of 5W/30 straight reduced 15.69%.
Maximum nonseizure load PB value of the maximum nonseizure load PB values of 20W/50 than gasoline engine oil SL 20W/50 is improved 11.57%.Maximum nonseizure load PB value of the maximum nonseizure load PB values of 10W/40 than gasoline engine oil SL 10W/40 is carried It is high by 14.28%.Maximum nonseizure load PB value of the maximum nonseizure load PB values of 5W/30 than gasoline engine oil SL 5W/30 is carried It is high by 15.45%.
Using 10W/40 and multiple vehicles of gasoline engine oil SL 10W/40, run 400 hours, by based on from each The data tested last 300 hours carry out linear fit, calculate average valve shrinkage depression rate of depreciation, and wore and tore with every 1000 hours Rate is reported.Original equipment manufacturer（OEM）The maximal valve shrinkage depression rate of depreciation of permission 0.0020 inch/1000 hours. The valve shrinkage depression value of 10W/40 is 0.0005 inch/1000 hours, and the valve shrinkage depression value of gasoline engine oil SL 10W/40 is 0.00152 English Very little/1000 hours, both compare, and the former is only the 3.29% of the latter.Illustrate the valve shrinkage depression value of 10W/40 of the invention than vapour Good too many of the valve shrinkage depression value of oil machine oil SL 10W/40.
（4）The low-temperature dynamic viscosity value of gasoline engine oil SL 5W/30（-30℃）It is 6480mPa.s, the low temperature of 5W/30 is moved Power viscosity（-30℃）It is 5182mPa.s.The low-temperature dynamic viscosity value of 5W/30 is than gasoline engine oil SL 5W/30 low-temperature dynamic viscosities Value improves 20.03%.The cryogenic property of 5W/30 is improved largely than the cryogenic property of gasoline engine oil SL 5W/30.
Data above explanation, a kind of natural gas and gasoline dual fuel engine lubricant oil composite that the present invention is provided, Antioxygen property, frictional property, abrasion resistance, maximum nonseizure load PB values, ash value and cryogenic property are all significantly better than gasoline Machine oil.
（5）Change little in pour point, flash-point and the moisture for travelling different kilometers using gasoline engine oil SL 10W40, but viscosity Change is than larger；And use the pour point and moisture of the 10W/40 of embodiment 2 to change little, but flash-point and viscosity change are better than using Gasoline engine oil SL 10W40.The use of the car of SL 10W/40 machine oil is to drive to 11000km just already close to mark of changing oil It is accurate, it is necessary to change oil.14000-17000km oil tests have been continuously driven to the car using 10W/40.Result shows that vehicle is travelled To standard of changing oil just is approached during 17000km, changed oil.Extend the drain period of engine oil, average drain period extension 54.55%.
Specific embodiment
A kind of natural gas of the invention and gasoline dual fuel engine lubricant oil composite, including summer dual fuel engine Lubricant oil composite 20W/50；Dual fuel engine lubricant oil composite 10W/40 and the double fuel in the winter hair of spring and autumn The dual fuel engine lubricant oil composite of tri- viscosity quality scales of motivation lubricant oil composite 5W/30, meet the spring, the summer, Autumn, the climate change of the four seasons in winter need, and meet SAE (AAA) specification standards.
A kind of natural gas of embodiment 1 and gasoline dual fuel engine lubricant oil composite 20W/50（Abbreviation 20W/50）, It is made up of the raw material of following mass percent：Detersive：Middle calcium alkylbenzensulfonates 1.0%, alkyl sodium salicylate 0.52%, sulphur Change alkyl phenol calcium 0.4%；Dispersant：Polyisobutene succinimide 2.28%, boronation polyisobutene succinimide 2.52%； Antiwear additive：Zinc dialkyl dithiophosphate 0.58%, dialkyl thiocarbamic acid zinc 0.42% and sulfide isobutene 0.5%； Antioxidant：Octyl group/butyl diphenylamines 0.55%, phenolic ester type antioxidant 0.35%, thiadiazoles derivative 0.2%；Viscosity Index changes Enter agent：Ethylene-propylene copolymer（OCP）3%；Pour-point depressant：Poly alpha olefin 0.8%；Anti-foaming agent：Methyl-silicone oil composite anti-foam agent 0.01%；The ﹑ 500N 52.87% of base oil 250N 17% and 150BS 17%.
The preparation method of the 20W/50 of embodiment 1 is as follows：By proportioning, base oil is added in reactor, be warming up to 60- 70 degrees Celsius, other materials are added, stirred 90-150 minutes, filtering, inspection is filling.
The composition contrast of the 20W/50 of embodiment 1 and existing gasoline engine oil SL20W/50, is shown in Table 1.
The 20W/50 of embodiment 1 is listed in table 2 with the technical parameter of existing gasoline engine oil SL20W/50.Execution standard GB 11121-2006。
The as shown by data of table 1, table 2, existing gasoline engine oil SL 20W/50 are as follows with the difference of the 20W/50 of embodiment 1：
（1）The 20W/50 of embodiment 1 increased calcium sulfenyl phenolate than gasoline engine oil SL 20W/50.Table 3 is calcium sulfenyl phenolate With the high temperature antioxidant effect of middle calcium alkylbenzensulfonates.
The data of table 3 are selected from：The U.S. of stone well one, ト エ Application ジ oil additive species Chi function [J] ト ラ イ ボ ロ ジ Off ト 1995, 40(4):280~285.
In terms of increasing ﹪ by 40h viscositys, the high temperature antioxidant of the 20W/50 of embodiment 1 is more excellent than gasoline engine oil SL 20W/50 In as many as 16 times.
（2）The 20W/50 of embodiment 1 has added the boronation polyisobutene succinyl of 2.52 ﹪ than gasoline engine oil SL20W/50 Imine dispersants, instead of double succimides（Code name T152）.Its reason is double succimides（Code name T152）Master It is with excellent low temperature dispersity and high-temperature stability to want performance；The performance of boronation polyisobutene succinimide dispersant is removed Outside with excellent low temperature dispersity and high-temperature stability, also with excellent wear resistence.Therefore can more meet natural gas and The performance requirement of gasoline dual fuel engine oil.
（3）The 20W/50 of embodiment 1 in gasoline engine oil SL 20W/50 than having added octyl group/butyl diphenylamines
0.55 ﹪, the ﹪ of phenolic ester type antioxidant 0.35 and the ﹪ of thiadiazoles derivative 0.2.These are both for natural gas and the double combustions of gasoline Expect the requirement of the special high-temperature behavior of engine oil and abrasion resistance and select.
Table 4 is high-temperature oxidation resistance test and the four-ball tester of 20W/50 and gasoline engine oil the SL 20W/50 of embodiment 1 Greasy property test value.
The data explanation of table 4：The oxidation life of gasoline engine oil SL 20W/50 is 381 minutes, the oxygen of the 20W/50 of embodiment 1 The change life-span is 426 minutes.The oxidation life of the 20W/50 of embodiment 1 improves than the oxidation life of gasoline engine oil SL 20W/50 11.81%.
The coefficient of friction of gasoline engine oil SL 20W/50 is 0.081, and the coefficient of friction of the 20W/50 of embodiment 1 is 0.062, The coefficient of friction of the 20W/50 of embodiment 1 reduces 23.46% than the coefficient of friction of gasoline engine oil SL 20W/50.
The mill spot of gasoline engine oil SL 20W/50 is straight through being 0.46mm, and the mill spot of the 20W/50 of embodiment 1 is directly through being 0.35mm.The mill spot of the 20W/50 of embodiment 1 is straight straight through few 23.91% through the mill spot than gasoline engine oil SL 20W/50.
The maximum nonseizure load PB values of gasoline engine oil SL 20W/50 are 121kg, the maximum nothing of the 20W/50 of embodiment 1 Seizing load PB values are 135kg.The maximum nonseizure load PB values of the 20W/50 of embodiment 1 are than gasoline engine oil SL 20W/50's Maximum nonseizure load PB values improve 11.57%.
As shown in Table 2, the sulfated ash percent value of gasoline engine oil SL 20W/50 is 0.92 ﹪.Embodiment 1 20W/50 sulfated ashes percent value is 0.68 ﹪.The sulfated ash percent value of GB/T 2433 is 0.5-0.7.It can be seen that, The 20W/50 sulfated ashes percent value of embodiment 1 is completely in standard value range.The sulfuric acid of gasoline engine oil SL 20W/50 Salt percent ash value is well beyond the sulfated ash percent value of GB/T 2433.
Data above illustrates that the 20W/50 of embodiment 1 bears in antioxygen property, frictional property, abrasion resistance, maximum without seizing Lotus PB values and ash value are all significantly better than gasoline engine oil SL 20W/50 gasoline engine oils.
A kind of natural gas of embodiment 2 and gasoline dual fuel engine lubricant oil composite 10W/40（Abbreviation 10W/40）Group Into the viscosity index improver described in its composition:Ethylene-propylene copolymer（OCP）It is 6%；Base oil 250N is 27% ﹑ 500N is that 8% and 150N is 48.87%, remaining same 20W/50；
The preparation method of the 10W/40 of embodiment 2 is as follows：By proportioning, base oil is added in reactor, be warming up to 60 DEG C -70 DEG C, other materials are added, to stir 90-150 minutes, filtering, inspection is filling.
The 10W/40 of embodiment 2 is contrasted with the composition of existing gasoline engine oil SL10W/40 gasoline engine oils, is shown in Table 5.
The 10W/40 of embodiment 2 is listed in table 6 with the technical parameter of existing gasoline engine oil SL 10W/40.Execution standard GB 11121-2006。
Table 5, the as shown by data of table 6, the table 1, table of the difference such as embodiment 1 of the gasoline engine oil SL 10W/40 and 10W/40 of embodiment 2 2 explanation.
Table 7 is high-temperature oxidation resistance test and the four-ball tester profit of 10W/40 and gasoline engine oil the SL 10W/40 of embodiment 2 Sliding performance test.
The data explanation of table 7：The oxidation life of gasoline engine oil SL 10W/40 is 362 minutes, the oxygen of the 10W/40 of embodiment 2 The change life-span is 410 minutes.The oxidation life of the 10W/40 of embodiment 2 improves than the oxidation life of gasoline engine oil SL 10W/40 13.25%.
The coefficient of friction of gasoline engine oil SL 10W/40 is 0.089, and the coefficient of friction of the 10W/40 of embodiment 2 is 0.072, The coefficient of friction of the 10W/40 of embodiment 2 reduces 19.1% than the coefficient of friction of gasoline engine oil SL 10W/40.
The mill spot of gasoline engine oil SL 10W/40 is straight through being 0.49mm, and the mill spot of the 10W/40 of embodiment 2 is directly through being 0.42mm.The mill spot of the 10W/40 of embodiment 2 is straight through the mill spot than gasoline engine oil SL 10W/40 straight reduced 14.29%.
The maximum nonseizure load PB values of gasoline engine oil SL 10W/40 are 112kg, the maximum nothing of the 10W/40 of embodiment 2 Seizing load PB values are 128kg.The maximum nonseizure load PB values of the 10W/40 of embodiment 2 are than gasoline engine oil SL 10W/40's Maximum nonseizure load PB values improve 14.28%.
As shown in Table 6, the sulfated ash percent value of gasoline engine oil SL 10W/40 is 0.96 ﹪.Embodiment 2 10W/40 sulfated ashes percent value is 0.69 ﹪.The sulfated ash percent value of GB/T 2433 is 0.5-0.7.It can be seen that, The 10W/40 sulfated ashes percent value of embodiment 1 is completely in standard value range.The sulfuric acid of gasoline engine oil SL 10W/40 Salt percent ash value is well beyond the sulfated ash percent value of GB/T 2433.
Data above illustrates that the 10W/40 of embodiment 2 is in antioxygen property, frictional behaviour, abrasion resistance and maximum without seizing Load PB values are all substantially better than gasoline engine oil SL 10W/40.
A kind of natural gas of embodiment 3 and gasoline dual fuel engine lubricant oil composite 5W/30（Abbreviation 5W/30）Group Into：Described viscosity index improver:Ethylene-propylene copolymer（OCP）2%, polymethacrylates（PMA）2%；Base oil 100N 30.87% and 150N 55%, remaining is with embodiment 1.
The preparation method of 5W/30 is as follows：By proportioning, base oil is added in reactor, be warming up to 60 DEG C -70 DEG C, then add Enter other materials, stir 90-150 minutes, filtering, inspection is filling.
The composition contrast of the 5W/30 of embodiment 3 and existing gasoline engine oil SL 5W/30, is shown in Table 8.
The 5W/30 of embodiment 3 is listed in table 9 with the technical parameter of existing gasoline engine oil SL 5W/30.Execution standard GB 11121- 2006。
Table 8, the as shown by data of table 9, the table 1 distinguished such as embodiment 1 of the gasoline engine oil SL 5W/30 and 5W/30 of embodiment 2, The explanation of table 2.
Table 10 is high-temperature oxidation resistance test and the four-ball tester profit of 5W/30 and gasoline engine oil the SL 5W/30 of embodiment 3 Sliding performance test.
The data explanation of table 10：The oxidation life of gasoline engine oil SL 5W/30 is 352 minutes, the oxidation of the 5W/30 of embodiment 3 Life-span is 402 minutes.The oxidation life of the 5W/30 of embodiment 3 improves than the oxidation life of gasoline engine oil SL 5W/30 14.2%.
The coefficient of friction of gasoline engine oil SL 5W/30 is 0.088, and the coefficient of friction of the 5W/30 of embodiment 3 is 0.073, real The coefficient of friction for applying the 5W/30 of example 3 reduces 17.05% than the coefficient of friction of gasoline engine oil SL 5W/30.
The mill spot of gasoline engine oil SL 5W/30 is straight through being 0.51mm, and the mill spot of the 5W/30 of embodiment 3 is directly through being 0.43mm. The mill spot of the 5W/30 of embodiment 3 is straight through the mill spot than gasoline engine oil SL 5W/30 straight reduced 15.69%.
The maximum nonseizure load PB values of gasoline engine oil SL 5W/30 are 110kg, and the maximum of the 5W/30 of embodiment 3 is without card It is 127kg to sting load PB values.The maximum of the maximum nonseizure load PB values than gasoline engine oil SL 5W/30 of the 5W/30 of embodiment 3 15.45% is improve without seizing load PB values.
The 5W/30 of data above explanation embodiment 3 is in antioxygen property, frictional behaviour, abrasion resistance and maximum without seizing negative Lotus PB values are all significantly better than gasoline engine oil SL 5W/30.
As shown in Table 9, the sulfated ash percent value of gasoline engine oil SL 20W/50 is 0.95 ﹪.Embodiment 1 20W/50 sulfated ashes percent value is 0.66 ﹪.The sulfated ash percent value of GB/T 2433 is 0.5-0.7.It can be seen that, The 20W/50 sulfated ashes percent value of embodiment 1 is completely in standard value range.The sulfuric acid of gasoline engine oil SL 20W/50 Salt percent ash value is well beyond the sulfated ash percent value of GB/T 2433.
The 5W/30 of embodiment 3 is directed to cold day than adding the ﹪ of polymethacrylates 2 in gasoline engine oil SL 5W/30 The cryogenic property of gas and select.
The low-temperature dynamic viscosity value of gasoline engine oil SL 5W/30（-30℃）It is 6480mPa.s, the 5W/30's of embodiment 3 is low Warm dynamic viscosity（-30℃）It is 5182mPa.s.The low-temperature dynamic viscosity value of the 5W/30 of embodiment 3 is than gasoline engine oil SL 5W/30 Low-temperature dynamic viscosity value improves 20.03%.The cryogenic property of the 5W/30 of embodiment 3 is lower than gasoline engine oil SL 5W/30's Warm nature can be improved largely.
The contrast test of embodiment 4.The use of dual fuel engine lubricant oil composite of the invention is investigated for the ease of tracking Performance, the Jetta car that have selected each 5 in Changchun is carried out the row of 10W/40 and gasoline engine oil the SL 10W/40 of example 2 Automobile oil Experimental Comparison is tested.
（1）Criteria for changing oil：Road performance test criteria for changing oil refers to GB/T8028-1994《Steam turbine oil criteria for changing oil》Standard.See Table 11.
In examination：The viscosity measured value of oil, mm in v1- uses2/s;
V2-- fresh oil viscosity measured values, mm2/s。
（2）The flow of oil recovery sample：According to test protocols scheme, each car traveling 0km ﹑ 5000km ﹑ 8000km ﹑ are determined 11000km ﹑ 14000km ﹑ 17000km ﹑ take an oil sample, and then 500~600mL. of oil mass respectively adds respective test oil 500 ~600mL.Due to the use of 5 cars of SL 10W/40 machine oil being that just to have reached the dehorn of table 12 accurate 14000km is driven to Must change oil.5 cars to the 10W/40 using embodiment 2 have proceeded 14000-17000km oil tests.
Viscosity B coefficent：The kinematic viscosity of engine oil is an important indicator for influenceing engine oil lubricity.Engine Oil influences the factor of viscosity characteristicses many in use, and the oxidative condensation retrogradation of such as oil product, the evaporation loss of oil product is gathered Compound thermal cracking, by mechanical shearing, oil product is to dispersion of greasy filth etc. for oil product.When oil viscosity is dropped to a certain degree, can lead again Engine scuffing is caused, so as to cause engine oil drops, sealing to be deteriorated.Can be substantially anti-from the viscosity B coefficent of engine oil Answer the decay degree of oil product, the thermal decomposition situation of additive.
The average value of comparative test result, as shown in table 12.
The as shown by data of table 12, is changed not using gasoline engine oil SL 10W40 in pour point, flash-point and the moisture for travelling different kilometers Greatly, but viscosity change than larger；And use the pour point and moisture of the 10W/40 of embodiment 2 to change little, but flash-point and viscosity become Change and be better than using gasoline engine oil SL 10W40.The data explanation of table 12：The use of 5 cars of SL 10W/40 machine oil is to drive to 11000km just changes oil standard already close to table 11, it is necessary to change oil.5 cars to the 10W/40 using embodiment 2 proceed 14000-17000km oil tests.Result shows, when sailing to 17000km using 5 garages of the 10W/40 of embodiment 2 Changed oil standard close to table 11, changed oil.Extend the drain period of engine oil, average drain period extension 54.55%.
Using each 5 cars of 10W/40 and gasoline engine oil the SL 10W/40 of embodiment 2, run 400 hours, by being based on Data from each last 300 hours of experiment carry out linear fit, calculate average valve shrinkage depression rate of depreciation, and with every 1000 Hour wear rate is reported.Original equipment manufacturer（OEM）The maximal valve shrinkage depression rate of depreciation 0.0020 inch/1000 of permission Hour.
Actual measurement valve shrinkage depression value, the valve shrinkage depression value of the 10W/40 of embodiment 2 is 0.0005 inch/1000 hours, gasoline engine oil SL The valve shrinkage depression value of 10W/40 is 0.00152 inch/1000 hours, and both compare, and the former is only the 32.9% of the latter.Illustrate this hair Good many of valve shrinkage depression value of the valve shrinkage depression value of bright 10W/40 than gasoline engine oil SL 10W/40.

Claims (1)

1. a kind of natural gas and gasoline dual fuel engine lubricant oil composite, it is characterised in that including：
（1）Natural gas and gasoline dual fuel engine lubricant oil composite 20W/50（Abbreviation 20W/50）, by following quality percentage The raw material composition of ratio：Detersive：Middle calcium alkylbenzensulfonates 1.0%, alkyl sodium salicylate 0.52%, calcium sulfenyl phenolate 0.4%；Dispersant：Polyisobutene succinimide 2.28%, boronation polyisobutene succinimide 2.52%；Antiwear additive：Two Alkyl zinc dithiophosphate 0.58%, dialkyl thiocarbamic acid zinc 0.42% and sulfide isobutene 0.5%；Antioxidant：It is pungent Base/butyl diphenylamines 0.55%, phenolic ester type antioxidant 0.35%, thiadiazoles derivative 0.2%；Viscosity index improver：Ethene- Propylene copolymer（OCP）3%；Pour-point depressant：Poly alpha olefin 0.8%；Anti-foaming agent：Methyl-silicone oil composite anti-foam agent 0.01%；Base The ﹑ 500N of plinth oil 250N 17% are that 52.87% and 150BS is 17%；
（2）Natural gas and gasoline dual fuel engine lubricant oil composite 10W/40（Abbreviation 10W/40）, described in its composition Viscosity index improver:Ethylene-propylene copolymer（OCP）It is 6%；Base oil 250N is 27% ﹑ 500N for 8% and 150N is 48.87%, remaining same 20W/50；
（3）Natural gas and gasoline dual fuel engine lubricant oil composite 5W/30（Abbreviation 5W/30）, it is glutinous described in its composition Degree index improver:Ethylene-propylene copolymer（OCP）It is 2%, polymethacrylates（PMA）It is 2%；Base oil 100N is 30.87% and 150N is 55%, remaining same 20W/50.
CN201611134281.5A 2016-12-10 2016-12-10 A kind of natural gas and gasoline dual fuel engine lubricant oil composite Pending CN106753713A (en)

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN108277067A (en) * 2018-03-09 2018-07-13 圣保路石油化工（天津）股份有限公司 The special gas engine oil L-900 of natural gas engine
CN108753416A (en) * 2018-07-25 2018-11-06 泾县汇鼎锋建筑装饰工程有限公司 A kind of cylinder oil and preparation method thereof
CN109054952A (en) * 2018-09-11 2018-12-21 烟台恒邦化工有限公司 A kind of high performance liquefied natural gas carrier engine oil and preparation method thereof
CN109777572A (en) * 2019-01-23 2019-05-21 北京燕山昆仑伟业石油化工有限公司 A kind of long-life natural gas engine machine oil and preparation method thereof
CN110982588A (en) * 2019-11-26 2020-04-10 徐州海天石化有限公司 Refined lubricating oil
CN111394159A (en) * 2020-03-30 2020-07-10 郑州市久润润滑油有限责任公司 Economical gasoline engine oil SN5W/30 and preparation method thereof

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CN1560208A (en) * 2004-03-12 2005-01-05 南宁飞日润滑油有限公司 Rich fuel multi-grade environmental protection type oil for internal comustion engine and its production method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108277067A (en) * 2018-03-09 2018-07-13 圣保路石油化工（天津）股份有限公司 The special gas engine oil L-900 of natural gas engine
CN108753416A (en) * 2018-07-25 2018-11-06 泾县汇鼎锋建筑装饰工程有限公司 A kind of cylinder oil and preparation method thereof
CN109054952A (en) * 2018-09-11 2018-12-21 烟台恒邦化工有限公司 A kind of high performance liquefied natural gas carrier engine oil and preparation method thereof
CN109777572A (en) * 2019-01-23 2019-05-21 北京燕山昆仑伟业石油化工有限公司 A kind of long-life natural gas engine machine oil and preparation method thereof
CN110982588A (en) * 2019-11-26 2020-04-10 徐州海天石化有限公司 Refined lubricating oil
CN111394159A (en) * 2020-03-30 2020-07-10 郑州市久润润滑油有限责任公司 Economical gasoline engine oil SN5W/30 and preparation method thereof

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