CN103547660A - Lubricating oil compositions comprising fischer-tropsch derived base oils - Google Patents

Lubricating oil compositions comprising fischer-tropsch derived base oils Download PDF

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Publication number
CN103547660A
CN103547660A CN201280021846.2A CN201280021846A CN103547660A CN 103547660 A CN103547660 A CN 103547660A CN 201280021846 A CN201280021846 A CN 201280021846A CN 103547660 A CN103547660 A CN 103547660A
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base oil
fisher
tropsch derived
derived base
kinematic viscosity
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P·M·布塞
N·E·卢恩特
S·B·施勒佩
D·J·韦德洛克
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Shell Internationale Research Maatschappij BV
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Shell Internationale Research Maatschappij BV
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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
    • C10M109/00—Lubricating compositions characterised by the base-material being a compound of unknown or incompletely defined constitution
    • 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
    • C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
    • 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • 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
    • 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
    • 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
    • C10M2203/104—Aromatic fractions
    • 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
    • C10M2205/026—Butene
    • 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
    • C10M2205/17—Fisher Tropsch reaction products
    • 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
    • C10M2205/17—Fisher Tropsch reaction products
    • C10M2205/173—Fisher Tropsch reaction products 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
    • 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
    • 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
    • C10N2030/04—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
    • C10N2030/50—Emission or smoke controlling properties
    • 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
    • C10N2040/255—Gasoline engines
    • C10N2040/26—Two-strokes or two-cycle 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

Use of a lubricating oil composition comprising at least one Fischer-Tropsch derived base oil for reducing exhaust port blocking of a 2-stroke engine. The present invention also relates to a 2-stroke lubricating engine oil composition comprising (i) at least one Fischer-Tropsch derived base oil having a kinematic viscosity at 100 DEG C in the range of from 2 to 30 mm2/s at 100 DEG C and (ii) 5 wt% or greater of a hydrocarbon solvent; wherein the lubricating engine oil composition has a Blocking Index of greater than 130 as measured by the JASO M343-92 Exhaust System Blocking Test Method.

Description

The lubricating oil composition that comprises Fisher-Tropsch derived base oil
Technical field
The purposes that the lubricating oil composition that the present invention relates to comprise Fisher-Tropsch derived base oil stops up for reducing two-stroke engine venting port, and relate to and there is the two-stroke engine lubricating oil that the venting port of reduction stops up.
Background technology
Two-stroke petrol engine is for motorcycle and gardening and amusement equipment, such as mower, chain saw, cutting machine, autocycle, Motorized snowboard, outboard marine electric motor etc.Low speed two-stroke diesel engine in large ship for ship propulsion.
In order to operate two-stroke petrol engine, crankcase is equipped with the mixture of two-stroke gasoline lubricant and fuel, and crankcase is as pressurized compartment, to force air/fuel to enter cylinder.This must use the lubricating composition into the special preparation of two-stroke engine, and the thick oil that can not use those to use in Otto cycle engine.Two-stroke engine lubricant mixes with gasoline by predetermined proportion, to lubricate bent axle, connecting rod and cylinder wall.
Traditional two-stroke gasoline engine lubricant is conventionally with mineral oil base oil or synthetic base oil and the lower boiling hydrocarbon solvent preparation of low viscosity, to improve the miscible property of lubricant and gasoline.
Some two cycle engine oil application do not reduce combustibility and reduce fume emission containing the ester group oil of low boiling point solvent.But these lubricants often have poor oxidative stability.Other two cycle engine oil application has the poly-alpha olefins base oil of improved cold property.PAO and ester group oil all have supplies with limited and very expensive shortcoming.
Can add multiple performance additive to improve the overall performance of lubricant.Particularly, two cycle engine oil should conformance with standard be formulated the technical requirements that mechanism arranges, and comprises Japanese car standard JASO M3452003 and international standard ISO1373832000 (E).
Because traditional two-stroke engine is easy to be fuming, often in lubricant, add the additive that minimizing is fuming.The example that reduces the additive be fuming comprise metallic those, but from environmental, they may be undesirable.Other example comprises synthetic base-material, but they may be very expensive.Conventionally also add polybutene and polyisobutene, for reducing, be fuming and be used as anti-wear agent.In WO2007/050352, point out, polyisobutene has contribution to exhaust port deposits and obstruction.
It is desirable to provide and be applicable to two cycle engine oil and particularly improve the lubricating oil composition that venting port stops up behavior.
Simultaneously, the two-stroke engine lubricating oil composition that also it is desirable to provide shows the engine scuffing of reduction, the pollution of minimizing, good low-temperature performance, good gasoline compatibility, high oxidative stability, high flash-point, and conformance with standard is formulated requirement that tissue sets as Nippon Standard JASO M3452003 and ISO1373832000 (E).
It has surprisingly been found that now, by applying Fisher-Tropsch derived base oil in two-stroke engine lubricating oil composition, being preferably the Fisher-Tropsch derived base oil of heavy as base oil, a kind of improved two-stroke engine lubricating oil composition will be provided, and described composition shows especially venting port and stops up minimizing.
Summary of the invention
According to the present invention, provide the lubricating oil composition that comprises at least one Fisher-Tropsch derived base oil for reducing the purposes of two-stroke engine venting port obstruction.
According to another aspect of the present invention, a kind of two-stroke engine lubricating oil composition is provided, it is 2-30mm that described composition comprises (i) kinematic viscosity at 100 ℃ 2at least one Fisher-Tropsch derived base oil of/s and (ii) 5wt% or more hydrocarbon solvent, wherein said engine oil composition has 130 the silt index of being greater than of measuring by JASO M343-92 Exhaust System Blocking testing method.
According to another aspect of the present invention, a kind of two-stroke engine lubricating oil composition is provided, it is 2-10mm that described composition comprises (i) kinematic viscosity at 100 ℃ 2the first Fisher-Tropsch derived base oil of/s and (ii) at 100 ℃ kinematic viscosity be 18-30mm 2the second Fisher-Tropsch derived base oil of/s, wherein the weight ratio of the first Fisher-Tropsch derived base oil and the second Fisher-Tropsch derived base oil is 10:1-1:5, and wherein said engine oil composition has 130 the silt index of being greater than of measuring by JASO M343-92 Exhaust System Blocking testing method.
It has surprisingly been found that and at this, in two-stroke lubricating oil composition, apply Fisher-Tropsch derived base oil, be preferably the Fisher-Tropsch derived base oil of heavy, will reduce venting port and stop up.
Apply Fisher-Tropsch derived base oil and can survey alternative polyisobutene on sticky basis.
Be contemplated that in two stroke diesel, particularly two-stroke low speed marine diesel and will show identical benefit.
Two-stroke lubricating oil composition of the present invention also provides following characteristic: the pollution of the engine scuffing of reduction, the oilness of increase, minimizing, improved smoke index, good low-temperature performance, gratifying gasoline compatibility, high oxidative stability, high flash-point and the combustibility of reduction.
Two cycle engine oil of the present invention also meets the requirement of Japanese car standard JASO M3452003 and international standard ISO1373832000 (E).
Embodiment
Here the two-stroke lubricating oil composition of application comprises at least one Fisher-Tropsch derived base oil.
Fisher-Tropsch derived base oil is known in the prior art.Term " Fisher-Tropsch derived " refers to that base oil is the sintetics of Fischer-Tropsch process or the sintetics that is derived from Fischer-Tropsch process.Fisher-Tropsch derived base oil also can be called as GTL (gas is to liquid) base oil.The suitable Fisher-Tropsch derived base oil that can be easily used as base oil in lubricating composition is those for example disclosed material: EP0776959, EP0668342, WO97/21788, WO00/15736, WO00/14188, WO00/14187, WO00/14183, WO00/14179, WO00/08115, WO99/41332, EP1029029, WO01/18156 and WO01/57166 in following patent.
The kinematic viscosity of Fisher-Tropsch derived base oil at 100 ℃ is preferably 2-30mm 2/ s.In lubricating oil composition, the total amount of Fisher-Tropsch derived base oil is preferably 5-99wt%, more preferably 10-99wt%.
In one embodiment of the invention, to be included in kinematic viscosity at 100 ℃ be 2-10mm to lubricating oil composition 2/ smm 2/ s, be preferably 2-4mm 2the Fisher-Tropsch derived base oil of lightweight of/s.In one embodiment, the amount of the Fisher-Tropsch derived base oil of described lightweight is 5-60wt%, is preferably the about 60wt% of 20-.
In another embodiment of the invention, it is 12-30mm that lubricating oil composition is included in kinematic viscosity at 100 ℃ 2/ s, be preferably 18-22mm 2the Fisher-Tropsch derived base oil of heavy of/s.The amount of the Fisher-Tropsch derived base oil of described heavy is preferably the about 60wt% of 5-, is preferably 10-50wt%.
In one embodiment of the invention, to be included in kinematic viscosity at 100 ℃ be 12-30mm to lubricating oil composition 2/ s, be preferably 18-22mm 2the Fisher-Tropsch derived base oil of heavy of/s, and the kinematic viscosity at 100 ℃ that is less than 2wt% is 2-10mm 2the Fisher-Tropsch derived base oil of lightweight of/s.In a rear embodiment, it is 2-20mm that lubricating oil composition is not preferably contained in kinematic viscosity at 100 ℃ 2the Fisher-Tropsch derived base oil of lightweight of/s.
In yet another embodiment of the present invention, the mixture that lubricating oil composition comprises the first Fisher-Tropsch derived base oil and the second Fisher-Tropsch derived base oil, wherein said the first Fisher-Tropsch derived base oil is that kinematic viscosity is 2-10mm at 100 ℃ 2/ s, be preferably 2-4mm 2the Fisher-Tropsch derived base oil of lightweight of/s, described the second Fisher-Tropsch derived base oil is that kinematic viscosity is 12-30mm at 100 ℃ 2/ s, be preferably 18-22mm 2the Fisher-Tropsch derived base oil of heavy of/s.In a rear embodiment, preferably the weight ratio of the first Fisher-Tropsch derived base oil and the second Fisher-Tropsch derived base oil is 10:1-1:5, is preferably 1.98:1-0.01:1.
Except Fisher-Tropsch derived base oil, here lubricating composition can also comprise one or more additional base oils.Additional base oil for applying in lubricating composition of the present invention, is not particularly limited, and can use easily mineral oil, synthetic oil and the natural derivative ester of various routines as vegetables oil.
Described additional base oil can comprise the mixture of one or more mineral oil and/or one or more synthetic oils easily.Therefore, term " base oil " can refer to the mixture containing multiple base oil or base-material.Mineral oil comprises solvent treatment or the acid-treated mineral lubricating oils of petroleum liquid and alkane, cycloalkanes or mixing alkane/cycloalkanes type, and they can be further refining by unifining process and/or dewaxing.
Here, the suitable base oils of applying in lubricating oil composition is I-III class mineral base oil, IV class poly-alpha olefins (PAO) and V class base oil.
" I class ", " II class ", " III class ", " IV class " and " V class " base oil refer to according to the lubricant base of the I-V class of API (API) definition.These API classifications are API publication 1509, the 16 editions, and appendix E, is defined in 2007 4 months.
Synthetic oil comprises hydrocarbon ils, as the wax isomer of olefin oligomer (comprising poly-alpha olefins base oil PAO), diester, polyol ester, polyglycol (PAG), alkylnaphthalene and dewaxing.Can apply easily the API III class alkyl oil of being sold with title " Shell XHVI " (trade mark) by Shell Group.
Poly-alpha olefins base oil (PAO) and their manufacture method are known in the art.The preferred poly-alpha olefins base oil that can apply in lubricating composition can be derived from straight chain C 2-C 32, be preferably C 6-C 16alpha-olefin.Particularly preferred raw material for described poly-alpha olefins has 1-octene, 1-decene, 1-dodecylene and tetradecene.
In the gross weight of lubricating composition, the total amount of the base oil adding in lubricating composition preferably exists with the amount of 60-99wt%, and preferred amount is 65-98wt%, and most preferred amount is 70-95wt%.
The kinematic viscosity of finished product lubricating composition at 100 ℃ is preferably 2-30mm 2/ s, more preferably 3-20mm 2/ s, most preferably is 4-15mm 2/ s.
Described lubricating oil composition preferably comprises 5wt% or more volatile hydrocarbon solvent.The object that comprises this solvent is to improve compatibility and/or the solvability of base oil and additive and gasoline or other fuel.
With the weighing scale of total composition, the amount of volatile hydrocarbon solvent in composition is preferably 5-40wt%, is preferably 10-30wt%, more preferably 20-30wt%.
The example of suitable volatile hydrocarbon solvent comprises kerosene, the Exxsol D80 being purchased by Exxon Mobil chemical company, the Shellsol D70 being purchased by Shell International chemical company and the fischer-tropsch kerosene being purchased by Shell International chemical company.
The preferred component of another kind of here applying in lubricating composition is smoke inhibitor.In a preferred embodiment, smoke inhibitor is to be selected from following olefinic unsaturated polymer:
The mixture of polybutene, polyisobutene or polybutene and polyisobutene, the number-average molecular weight of described polymkeric substance is 400-2200, and in the sum of two keys in polymkeric substance, the content of terminal alkene is 60mol% at least.These smoke inhibitor types have instruction in EP-A-1743932.
The approximately 1000 daltonian polyisobutene that example Wei You BASF AG for smoke inhibitor is purchased with trade(brand)name Glissopal (RTM) 1000.Other example can be the polybutene with similar molecular weight being provided with trade(brand)name Indopol by Ineos Oligomers.
In the gross weight of composition, the amount of smoke inhibitor in composition is preferably 5-70%, is preferably 10-55%.
The gross weight of composition of take is benchmark, and one or more purification agent/dispersant additives bags can be with the amount of preferred 1-25wt%, more preferably the amount of 3-20wt% is included in lubricating oil composition of the present invention.Ashless, low ash or can be used for this object containing grey additive.
Suitable ashless additive comprises any two or more the combination of polymeric amide, alkenyl succinimide, boric acid modified alkenyl succinimide, phenol amine and succinate derivative or these additives.
Suitable containing grey purification agent/dispersant additives comprise alkaline-earth metal (for example magnesium, calcium, barium) salicylate, sulfonate, phosphonate or phenates or any two or more the combination of these additives.
For example, the two-stroke lubricant purification agent/dispersant additives bag being purchased comprises Lubrizol400, Lubrizol6827, Lubrizol6830, Lubrizol600, Lubrizol606, Oronite OLOA9333, Oronite OLOA340A, Oronite OLOA6721 and Oronite OLOA9357.
Lubricating composition can also comprise that additional additive fixes or seal compatible agent as anti-wear agent, slip additive, extreme pressure agent, antioxidant, friction modifier, viscosity index improver, pour point reducer, antirust or sanitas, defoamer and sealing.
With the weighing scale of lubricating oil composition, above-mentioned additive can exist with the concentration of 0.005-15wt%, is preferably 0.005-6wt%.
Because those skilled in the art are familiar with above-mentioned and other additive, be therefore no longer discussed in more detail here.The specific examples of these additives is for example at the Encyclopedia of Kirk-Othmer of Chemical Technology, the third edition, and the 14th volume, states in 477-526 page.
In order to operate two-stroke petrol engine, crankcase is equipped with the mixture of two-stroke gasoline lubricant and fuel.The recommendation ratio of mixture of two-stroke gasoline engine lubricant and fuel is stipulated by manufacturers of engines.The fuel of applying in two-stroke petrol engine is known to those skilled in the art, and conventionally comprise most conventional liq fuel, as hydrocarbon petroleum distillate fuel, such as the fuels for spark ignition engines being defined by ASTM D4814-07 or the motor spirit that defined by ASTM D439-89.These fuel can also comprise non-hydrocarbons material as alcohol, ether, organic nitro-compound and analogue.The example of suitable fuel comprises but need not be confined to methyl alcohol, ethanol, diethyl ether, methyl ethyl ether, Nitromethane 99Min. and originate as the liquid fuel of corn, the grass that inclines, α-shale and coal derived from plant and mineral.The example of this fuel mixture has the composition of gasoline and ethanol, diesel oil fuel and ether, gasoline and Nitromethane 99Min. etc.Fuel is preferably white gasoline.
Two-stroke gasoline engine lubricant is conventionally usingd the fuel of the about 20-250 weight part of every weight part lubricant and is applied as mixture, is preferably the fuel of every weight part lubricant 30-100 weight part.
Importantly two-stroke lubricating oil composition conformance with standard of the present invention is formulated the requirement that mechanism arranges, and comprises Japanese car standard JASO M345:2003 and international standard ISO1373832000 (E).
Especially, have been found that lubricating oil composition of the present invention is providing more benefit aspect the obstruction of minimizing venting port.This benefit can be measured by standard method of test JASO343-92.
Especially, in preferred embodiments, lubricating oil composition of the present invention has by JASO343-92 measurement and is greater than 130, is preferably greater than 140 silt index.
By making the additive (example as described previously) conventionally existing in lubricating composition mix and prepare easily lubricating composition with mineral and/or synthetic base oil.
Below by describing the present invention, the scope that described embodiment does not limit the present invention in any way with reference to following embodiment.
Embodiment
Embodiment 1 and comparative example A
In order to determine that GTL base oil stops up the effect of behavior to venting port in two-stroke motorcycle engine, preparation has the two-stroke motor cycle oil that is described in table 1 below formula.According to traditional preparation method, by mixed additive and base oil, prepare described formulation.For the effect of determining that every kind of composition stops up exhaust system venting port, application Exhaust System Blocking testing method JASOM343-92 measures the silt index of each embodiment.
The result of these tests provides in following table 1.
Table 1
? Comparative example A Embodiment 1
HVI160B 1 37.4 0
HVI65 2 0 33.88
GTL19 3 0 13.52
Polybutene 950 4 35 25
Shellsol?D70B 5 25 25
Additive-package 6 2.5 2.5
Irganox?L135 7 0.1 0.1
Add up to (wt%) 100 100
Result: ? ?
JASO venting port stops up index (M343-92) 98 176
1. by Shell Pernis Refinery, the mineral substance API I class base oil that Rotterdam is purchased
2. by Shell Pernis Refinery, the mineral substance API I class base oil that Rotterdam is purchased
3. the heavy fischer-tropsch base-material that kinematic viscosity is 19cSt at 100 ℃ of preparing by US-A-7354508.
4. the polybutene that molecular weight is 950
5. by Shell International Chemical Company, Rotterdam, the ShellSol D70B solvent that Holland is purchased
6. by Infineum, Milton Hill, the two-stroke performance additive packages that Oxfordshire UK is purchased, comprises amine dispersion agent, antioxidant (hindered phenol of mixing and amine antioxidants) and is selected from the overbased detergent of calcium phenylate and calcium salicylate.
7. by CIBA Speciality Chemicals, Berne, the antioxidant that Switzerland is purchased
Embodiment 2-4 and comparative example B
In order to determine that GTL base oil stops up the effect of behavior to venting port in two-stroke engine, the formula that according to the form below 2 is described is prepared two-stroke motor cycle oil.According to traditional preparation method, by mixed additive and base oil, prepare described formulation.The testing method of listing in detail in application table 2 is carried out various measurements to every kind of engine lubricant.The result of these tests provides in following table 2.
Table 2
Figure BDA0000408084120000091
8. two-stroke performance additive packages, comprises amine dispersion agent, antioxidant (hindered phenol of mixing and amine antioxidants), is selected from the overbased detergent of calcium phenylate and calcium salicylate
9. by CIBA Speciality Chemicals, Berne, the antioxidant that Switzerland is purchased
10. by Infinenum, Milton Hill, Oxfordshire, the slip additive that UK is purchased
11. by Shell Pernis Refinery, the mineral substance I class base oil that Rotterdam is purchased
12. by Shell Pernis Refinery, the mineral substance I class base oil that Rotterdam is purchased
The fischer-tropsch base-material that 13. kinematic viscosity at 100 ℃ of preparing by the method for US-A-7354508 are 19cSt.
The fischer-tropsch base-material that 14. kinematic viscosity at 100 ℃ of preparing by the method for US-A-7354508 are 3cSt.
Embodiment 5 and comparative example C and D
Preparation has the two cycle engine oil composition of the formula of describing in following table 3.According to traditional preparation method, by mixed additive and base oil, prepare described formulation.In order to determine the obstruction behavior of venting port, make two cycle engine oil composition stand venting port and stop up testing method JASO343-92.The results are shown in following table 3.
Table 3
? Comparative example C Embodiment 5 Comparative example D
2 stroke solvents 15 25 25 25
Polybutene 16 25 25 25
HVI65 17 27.96 33.88 32.40
HVI650 18 19.44 0 0
GTL19 19 0 13.52 0
Flavex595 20 0 0 15
Additive-package 21 2.5 2.5 2.5
Irganox?L135 22 0.1 0.1 0.1
Add up to (wt%) 100 100 100
Physical data ? ? ?
kV40℃ 40 33.05 38.03
kV100℃ 7.256 6.558 6.815
Density (kg/m at 15 ℃ 3) 860 849.3 869
Pour point/℃ -39 -33 -33
Flash-point/℃ 83 84 83
Result (JASO-343-92) ? ? ?
JASO M343-92 venting port stops up index 100 243 69
15. by Shell Chemicals, the two-stroke solvent ShellSol D70B solvent that The Netherlands is purchased
16. molecular weight are 950 polybutene
17. by Shell Pernis Refinery, the mineral substance API I class base oil that Rotterdam is purchased
18. by Shell Pernis Refinery, the bright stock that Rotterdam is purchased
The heavy fischer-tropsch base-material that at 19.100 ℃, kinematic viscosity is 19cSt.
20. by Shell Pernis Refinery, (bright stock) residual aromatics extract that Netherlands is purchased
21. two-stroke performance additive packages, comprise amine dispersion agent, antioxidant (hindered phenol of mixing and amine antioxidants), are selected from the overbased detergent of calcium phenylate and calcium salicylate
22. by CIBA Speciality Chemicals, Berne, the antioxidant that Switzerland is purchased
Discuss
Embodiment shows that the remaining GTL base oil of heavy (kinematic viscosity is 19cSt at 100 ℃) obtains better venting port using the formulation than only containing PB as heavy base ingredient with polybutene (PB) combination and stops up performance, and this has proved that the remaining GTL base oil of heavy is effective part polybutene surrogate.Compare with comparative example A, in embodiment 1, the Main change of formulation is to reduce PB and replace with the remaining GTL base oil of heavy.API I class high viscosity index (HVI) (HVI) base-material is carried out to less adjustment to keep viscosity.
In comparative example B and embodiment 2-4, can see that lightweight GTL base oil (GTL-3), than all mineral substances (API I class) simulation formulation, provides the improvement that venting port stops up performance.In addition, embodiment 4 shows to be used in combination lightweight and the Fisher-Tropsch derived base oil of heavy is the Fisher-Tropsch derived base oil GTL-3 of lightweight and the Fisher-Tropsch derived base oil GTL-19 of heavy, with respect to waiting standard under viscosities (API I class) mineral oil based formulation, at venting port, stop up aspect of performance and obtained extra improvement.Embodiment 2-4 is all not containing the two-stroke oil formulation of PB, but still obtained suitable venting port, stops up behavior.
In comparative example C-D and embodiment 5, the standard two cycle engine oil formulation conventionally with 35wt% polybutene content is again prepared the polybutene to 25wt% with together with the heavy base ingredient of replacement amount in formulation.What notice is for multiple heavy base oil, and it is as follows that the venting port of two-stroke formulation stops up tendency improvement order: GTL-19> bright stock (HVI-650) > remnants' Aromatics Extractive Project thing (Flavex595).

Claims (15)

1. comprise the lubricating oil composition of at least one Fisher-Tropsch derived base oil for reducing the purposes of two-stroke engine venting port obstruction.
2. the purposes of claim 1, the kinematic viscosity of wherein said Fisher-Tropsch derived base oil at 100 ℃ is 2-30mm 2/ s.
3. claim 1 or 2 purposes, the kinematic viscosity of wherein said Fisher-Tropsch derived base oil at 100 ℃ is 2-10mm 2/ s.
4. the purposes of claim 3, the kinematic viscosity of wherein said Fisher-Tropsch derived base oil at 100 ℃ is 2-4mm 2/ s.
5. claim 1 or 2 purposes, the kinematic viscosity of wherein said Fisher-Tropsch derived base oil at 100 ℃ is 12-30mm 2/ s.
6. the purposes of claim 5, the kinematic viscosity of wherein said Fisher-Tropsch derived base oil at 100 ℃ is 18-22mm 2/ s.
7. claim 5 or 6 purposes, it is 2-10mm that wherein said lubricating oil composition comprises the kinematic viscosity at 100 ℃ that is less than 2wt%, is preferably 0wt% 2the Fisher-Tropsch derived base oil of/s.
8. claim 1 or 2 purposes, it is 2-10mm that wherein said lubricating oil composition is included in kinematic viscosity at 100 ℃ 2the first Fisher-Tropsch derived base oil of/s and at 100 ℃ kinematic viscosity be 12-30mm 2the second Fisher-Tropsch derived base oil of/s.
9. the purposes of claim 8, wherein the weight ratio of the first Fisher-Tropsch derived base oil and the second Fisher-Tropsch derived base oil is 10:1-1:5, is preferably 1.98:1-0.01:1.
10. the purposes of claim 1-9 any one, wherein said lubricating oil composition comprises 5wt% or more hydrocarbon solvent.
The purposes of 11. claim 1-10 any one, wherein said lubricating oil composition comprises the smoke inhibitor that is selected from polybutene and polyisobutene and their mixture in addition.
The purposes of 12. claim 1-11 any one, wherein said lubricating oil composition comprises purification agent/dispersant additives bag in addition.
The purposes of 13. claim 1-12 any one, wherein said lubricating composition comprises slip additive in addition.
14. 1 kinds of two-stroke engine lubricating oil compositions, it is 2-30mm that described composition comprises (i) kinematic viscosity at 100 ℃ 2at least one Fisher-Tropsch derived base oil of/s and (ii) 5wt% or more hydrocarbon solvent, wherein said engine oil composition has 130 the silt index of being greater than of measuring by JASO M343-92 Exhaust System Blocking testing method.
15. 1 kinds of two-stroke engine lubricating oil compositions, it is 2-10mm that described composition comprises (i) kinematic viscosity at 100 ℃ 2the first Fisher-Tropsch derived base oil of/s and (ii) at 100 ℃ kinematic viscosity be 18-30mm 2the second Fisher-Tropsch derived base oil of/s, wherein the weight ratio of the first Fisher-Tropsch derived base oil and the second Fisher-Tropsch derived base oil is 10:1-1:5, be preferably 1.98:1-0.01:1, wherein said engine oil composition has 130 the silt index of being greater than of measuring by JASO M343-92 Exhaust System Blocking testing method.
CN201280021846.2A 2011-05-05 2012-05-03 Lubricating oil compositions comprising fischer-tropsch derived base oils Pending CN103547660A (en)

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