CN103314087A - Lubricating composition - Google Patents

Lubricating composition Download PDF

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Publication number
CN103314087A
CN103314087A CN2011800653040A CN201180065304A CN103314087A CN 103314087 A CN103314087 A CN 103314087A CN 2011800653040 A CN2011800653040 A CN 2011800653040A CN 201180065304 A CN201180065304 A CN 201180065304A CN 103314087 A CN103314087 A CN 103314087A
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China
Prior art keywords
lubricating composition
base oil
tropsch derived
overhead product
fisher
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Inventor
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
    • C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/02—Well-defined hydrocarbons
    • C10M105/04—Well-defined hydrocarbons aliphatic
    • 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
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/02—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a non-macromolecular organic compound
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • 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
    • C10M2203/106—Naphthenic fractions
    • C10M2203/1065—Naphthenic fractions used as base material
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/065—Saturated Compounds
    • 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
    • C10N2030/40—Low content or no content compositions
    • C10N2030/43—Sulfur free or low sulfur content compositions
    • 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
    • C10N2030/52—Base number [TBN]
    • 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
    • C10N2040/252—Diesel engines

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Lubricants (AREA)

Abstract

A lubricating composition comprising a base oil blend and one or more additives wherein the base oil blend comprises: a distillate naphthenic base oil having a saturates content as measured by IP368 of greater than 92wt% and comprising less than 10ppm of sulphur; and a Fischer-Tropsch derived base oil. The lubricating composition of the present invention exhibits improved detergency and engine cleanliness properties.

Description

Lubricating composition
Technical field
The present invention relates to lubricating composition, particularly relate to as heavy duty diesel engine oil and passenger vehicle automotive engine oil and lubricating composition with improved de-sludging character.
Background technology
The present invention will be described although it should be noted that the following lubricating composition that just is particularly useful as heavy duty diesel engine oil or passenger vehicle automotive engine oil, and the present invention is limited to these oil never in any form.The present invention equally can be as the lubricating composition at other application, as hydraulic fluid and turbine oil.The heavy duty diesel engine oil that uses the API II group base oil preparation of conventional refining known in the art.Unfortunately, this class formulation runs into the problem of de-sludging performance deficiency under the high temperature through regular meeting.Therefore, wish a kind of lubricating composition that is particularly useful as heavy duty diesel engine oil or is used as passenger vehicle automotive engine oil of preparation, this lubricating composition has improved high temperature de-sludging performance and therefore improved engine washing is provided.
Summary of the invention
According to the present invention, a kind of lubricating composition that comprises base oil blends and one or more additives is provided, wherein said base oil blends comprises:
-overhead product cycloalkanes belongs to base oil, and the saturates content that it is measured according to IP368 is greater than 92wt% and comprise sulphur less than 10ppm; With
-Fisher-Tropsch derived base oil.
It has surprisingly been found that lubricating composition of the present invention provides improved high temperature de-sludging performance.
According to a further aspect in the invention, provide as described herein lubricating composition as the purposes of heavy duty diesel engine oil or passenger vehicle automotive engine oil.
In accordance with a further aspect of the present invention, providing as described herein, lubricating composition is used for providing particularly the purposes of improved de-sludging performance at high temperature.
In accordance with a further aspect of the present invention, provide lubricating composition as described herein to be used for providing the purposes of improved engine washing.
Embodiment
The first necessary component of lubricating composition of the present invention is base oil blends.Described base oil blends comprises overhead product cycloalkanes and belongs to base oil and Fisher-Tropsch derived base oil.
The cycloalkanes that uses in the base oil blends belongs to base oil and belongs to base oil as overhead product cycloalkanes, and the saturates content that it is measured according to IP368 is greater than 92wt%, is preferably greater than 95wt% and more preferably greater than 98wt%.In addition, cycloalkanes used herein belongs to base oil and comprises sulphur less than 10ppm, is preferably the sulphur less than 5ppm.
Term used herein " overhead product base oil " referred to before or after upgrading step (extraction or hydrotreatment), carry out molecular distillation separating treatment step, fixed the base oil of viscosity grade thus by the initial and final boiling point of determining the overhead product cut.
The level that exists that the overhead product cycloalkanes that uses in the base oil blends belongs to base oil is preferably 5-50wt%, and 10-30wt% more preferably is based on the weight meter of lubricating composition.
Cycloalkanes belongs to base oil for to belong to the overhead product base oil that the vacuum overhead product obtains by following refining process from cycloalkanes: start from cycloalkanes and belong to mineral crude oil material (TAN (total acid value usually; ASTMD664) value be that cycloalkanes belongs to (high TAN) and be lower than 0.5mg KOH/g greater than the mineral crude oil material of 0.5mg KOH/g is that alkane belongs to (low TAN)); Prepare the step (step need dewax when in contrast, preparing paraffinic base oils) that generally do not dewax when cycloalkanes belongs to base oil.If have the remaining wax of some traces in the high TAN crudes, choose wantonly and can adopt the dewaxing step.
Preferably, the initial boiling point (according to the accurate boiling point of ASTM D2887) that the overhead product cycloalkanes that uses in the base oil blends belongs to base oil is more than 350 ℃, is preferably more than 370 ℃, more preferably more than 500 ℃.And overhead product cycloalkanes belongs to the aromatics atom content C of base oil A(according to ASTM D3238) is 2wt% following (being generally more than the 2wt%) for paraffinic base oils.
Preferably, the overhead product cycloalkanes that uses in the base oil blends belongs to the pour point of base oil for below-10 ℃, is preferably (according to ASTM D5950) below-15 ℃.
In addition, the viscosity index (according to ASTM D2270) that the overhead product cycloalkanes that uses in the preferred base oil blends belongs to base oil is below 90, is preferably below 70, more preferably below 40, even more preferably below 10.
The commercially available source that the overhead product cycloalkanes that is suitable for using in base oil blends belongs to base oil comprises those that for example are purchased with trade(brand)name " KN4006 ", " KN4008 ", " KN4010 ", " KN4012 ", " KN4016 " and " KN6025 " (be called " K series " cycloalkanes and belong to base oil) from CNPC (Kelamayi).
Be not particularly limited for the Fisher-Tropsch derived base oil that uses in the base oil blends in the composition of the present invention.Preferably, the Fisher-Tropsch derived base oil that uses in the base oil blends is Fisher-Tropsch derived overhead product base oil.
Fisher-Tropsch derived base oil known in the art.Term " Fisher-Tropsch derived " refer to as or derived from the base oil of the synthetic product of fischer-tropsch process.Fisher-Tropsch derived base oil also can be called GTL (gas is to liquid) base oil.The Fisher-Tropsch derived base oil that is fit to that can be easily used as base oil in the functional fluid compositions of the present invention is those disclosed among for example EP0776959, EP0668342, WO97/21788, WO00/15736, WO00/14188, WO00/14187, WO00/14183, WO00/14179, WO00/08115, WO99/41332, EP1029029, WO01/18156 and the WO01/57166.
The level that exists of the Fisher-Tropsch derived base oil that uses in the base oil blends is preferably 10-70wt%, and 20-70wt% more preferably, even 30-65wt% more preferably are based on the weight meter of lubricating composition.
Usually, the kinematic viscosity (according to ASTM D445) under 100 ℃ of the Fisher-Tropsch derived base oils that uses among the present invention is 2.0-35.0mm 2/ s is preferably 2-25.0mm 2/ s, more preferably 2.5-14mm 2/ s.According to an aspect of the present invention, the kinematic viscosity under 100 ℃ of the preferred Fisher-Tropsch derived base oils is 3.0mm at least 2/ s (according to ASTM D445) is preferably 4.0mm at least 2/ s.According to a further aspect in the invention, the kinematic viscosity under 100 ℃ of the Fisher-Tropsch derived base oils is preferably 7.0mm at least 2/ s.Comprise at Fisher-Tropsch derived base oil under the situation of blend of two or more base oils, (according to ASTM D445,100 ℃ are 2.0-35.0mm down to preferred base oil as mentioned above for total contribution of this kinematic viscosity 2/ s is preferably 2.0-25.0mm 2/ s etc.).
In the preferred embodiment of the invention, the weight ratio that overhead product cycloalkanes belongs to base oil and Fisher-Tropsch derived base oil in the base oil blends is preferably 10:90-50:50, more preferably 10:90-40:60 and be 10:90-30:70 especially.
Preferred base oil blends (comprises overhead product cycloalkanes and belongs to base oil and fischer-tropsch base oil, wherein overhead product cycloalkanes belongs to saturates content that base oil measures according to IP368 greater than 92wt% and contains sulphur less than 10ppm) pour point less than-24 ℃ (according to ASTM D5950), preferably less than-30 ℃.Also preferred base oil blends (comprises overhead product cycloalkanes and belongs to base oil and fischer-tropsch base oil, wherein overhead product cycloalkanes belongs to saturates content that base oil measures according to IP368 greater than 92wt% and contains sulphur less than 10ppm) viscosity index (according to ASTM D2270) greater than 95, be preferably greater than 100.In addition, kinematic viscosity under 100 ℃ of the base oil blends (comprise overhead product cycloalkanes and belong to base oil and fischer-tropsch base oil, wherein overhead product cycloalkanes belongs to saturates content that base oil measures according to IP368 greater than 92wt% and contains sulphur less than 10ppm) is preferably 2.5-35mm 2/ s, more preferably 2.5-25mm 2/ s, even 3.5-13mm more preferably 2/ s.
Except above-mentioned base oil blends, lubricating composition of the present invention can also comprise the mixture of one or more other mineral oil and/or one or more synthetic oils.Mineral oil comprises liquid petroleum and belongs to the mixed type mineral lubricating oils through solvent treatment or through acid-treated alkane genus, cycloalkanes genus or alkane genus/cycloalkanes that it can further be refined by unifining process and/or dewaxing.
The additional basis oil that is fit to that uses in the lubricating oil composition of the present invention is I-III group mineral base oil, IV group poly-alpha olefins (PAOs) and their mixture.
Among the present invention, " I group ", " II group ", " III group " and " IV " group base oil refer to the lubricant base according to the defined classification I of American Petroleum Institute (API) (API), II, III and IV.These API are sorted in API Publication1509, and the 15th edition, annex E, regulation in 2002 4 months.
Synthetic oil comprises that hydrocarbon ils such as olefin oligomer (comprise the poly-alpha olefins base oil; PAOs), diester, polyol ester, polyalkylene glycol (PAGs), alkylnaphthalene and the wax isomer through dewaxing.The synthetic hydrocarbon base oil that can use Shell Group to sell with title " Shell XHVI " (trade mark) easily.
Preferably, the cycloalkanes that lubricating composition comprises 1-20wt%, preferred 2-15wt% belongs to the bright stock base oil, based on the gross weight meter of composition.It is commercially available with trade(brand)name HVI H150BSM from CNPC that the cycloalkanes that is fit to belongs to the bright stock base oil, and its kinematic viscosity (ASTM D445) under 100 ℃ is about 31cSt.
The base oil total amount of mixing in the lubricating composition of the present invention (comprises that namely overhead product cycloalkanes belongs to the base oil blends of base oil and fischer-tropsch base oil and any base oil except base oil blends, wherein overhead product cycloalkanes belongs to saturates content that base oil measures according to IP368 greater than 92wt% and comprises sulphur less than 10ppm) be preferably 50-99.9wt%, 70-98wt% more preferably, with most preferably be 80-96wt%, based on the gross weight meter of lubricating composition.
The viscosity index of lubricating composition of the present invention (according to ASTM D2270) is preferably more than 95, more preferably more than 100.
In addition, the total basicnumber (TBN) (according to ASTM D4739) of preferred said composition is that 8mgKOH/g is above with below the 75mg KOH/g, is preferably 10-70mg KOH/g.
Lubricating composition of the present invention can further comprise one or more additives, as antioxidant, anti-wear agent, (preferred ashless) dispersion agent, purification agent, extreme-pressure additive, friction modifier, metal passivator, corrosion inhibitor, emulsion splitter, defoamer, sealing compatilizer and additive thinner basis wet goods.
Because those skilled in the art are familiar with above-mentioned and other additive, these are not discussed in more detail here.Kirk-Othmer Encyclopedia of Chemical Technology for example, the third edition, the 14th volume has been described the object lesson of these additives in the 477-526 page or leaf.
Lubricating composition of the present invention can be easily by preparing these one or more additives and base oil blending.
The amount of above-mentioned additive is generally 0.01-35.0wt%, and the gross weight meter based on lubricating composition is preferably 0.05-25.0wt%, and 1.0-20.0wt% more preferably is based on the gross weight meter of lubricating composition.
Lubricating composition of the present invention is preferably heavy duty diesel engine oil or passenger vehicle automotive engine oil.
In one embodiment of the invention, the lubricating composition here is the SAE15W-XX grade lubricating composition according to SAEJ-300, and wherein XX is selected from 20,30,40 and 50.Here in the embodiment preferred, lubricating composition is the SAE15W-40 grade lubricating composition according to SAE J-300.
In another embodiment of the invention, lubricating composition is the SAE10W-YY grade lubricating composition according to SAE J-300, and wherein YY is selected from 30 and 40.
Lubricating composition of the present invention has improved de-sludging and engine washing performance.Especially, the figure of merit that shows in the Komatsu heat pipe test (Japanese Industrial Standards (JIS)-JIS method No.JPI-5S-55-99) that lubricating composition of the present invention preferably is to carry out under 280 ℃ is greater than 7.
On the other hand, the invention provides lubricating composition of the present invention for improvement of the purposes of de-sludging character, particularly according to Komatsu heat pipe test (Japanese Industrial Standards (JIS)-JIS method No.JPI-5S-55-99).
The present invention will be described below with reference to the following example, the scope that these embodiment do not limit the present invention in any way.
Embodiment
Prepare multiple lubricating composition, as SAE15W-40 heavy duty diesel engine oil (HDDEOs) (the so-called SAE J300 specification that accords with in January, 2009 revision; The SAE standard of american car engineering association).
Table 1 has provided used basic oil properties.Table 2 has provided heavy duty diesel engine oil composition and the character of preparation fully of test.Component concentration unit is wt%, based on the gross weight meter of composition.
Except viscosity modifier and pour point reducer, all the heavy duty diesel engine oil of test all comprises the combination of base oil blends and additive-package (this additive-package is all identical in the composition of all tests).
" additive-package " for being used for the special-purpose performance bag of heavy duty diesel engine oil, it comprises the combination of performance additive, and described performance additive comprises overbased detergent, ashless dispersant, zinc anti-wear agent, antioxidant and defoamer.
" base oil 1 " is to belong to base oil from CNPC (Kelamayi, China) with the commercially available cycloalkanes of trade(brand)name " KN4010 ".
" base oil 2 " is that the kinematic viscosity (ASTM D445) under 100 ℃ is that (1cSt is corresponding to 1mm for about 4cSt 2s -1) Fisher-Tropsch derived base oil (" GTL4 ").GTL4 can be easily by for example method described in the WO02/070631 or similarly method manufacturing with it, and the instruction of this patent documentation is incorporated herein for your guidance.
" base oil 3 " the CNPC's cycloalkanes that is called HVI H150BSM of running after fame belongs to bright stock, and its kinematic viscosity (ASTM D445) under 100 ℃ is about 31cSt.
" base oil 4 " is that the kinematic viscosity (ASTM D445) under 100 ℃ is the GTL8cSt base oil of about 8cSt.
" base oil 5 " is the commercially available mineral source API II group base oil of being sold with trade(brand)name Motiva Star6 by the Motiva Enterprises LLC of Texas, USA.
" base oil 6 " is the commercially available mineral source API II group base oil of being sold with trade(brand)name Formosa500N by the Formosa Plastic Group of Taiwan Mai Liaoxiang.
" base oil 7 " is the commercially available mineral source API II group base oil of being sold with trade(brand)name Formosa150N by the Formosa Plastic Group of Taiwan Mai Liaoxiang.
Embodiment 1 and 2 and the composition of comparative example 1 and 2 by using traditional lubrication agent blending program base oil is mixed to obtain with additive-package.
Figure BDA00003527859600081
Figure BDA00003527859600091
The de-sludging performance
In order to prove the de-sludging character of the present composition, de-sludging measurement (under 280 ℃ and 290 ℃) (Japanese Industrial Standards (JIS)-JIS method No.JPI-5S-55-99) are carried out in test according to industrial standards Komatsu heat pipe.The value that records (figure of merit) is shown in following table 3.For the test of under 280 ℃, carrying out, think that the figure of merit is qualified greater than 7, and the figure of merit is 7 or still less is defective.For the test of under 290 ℃, carrying out, think that the figure of merit is qualified greater than 6, and the figure of merit is 6 or still less is defective.Each embodiment all carries out twice figure of merit and measures (being called " figure of merit 1 " and " figure of merit 2 " below in the table 3) under each temperature.
In addition, each embodiment also measures sedimental amount according to industrial standards Komatsu heat pipe test (Japanese Industrial Standards (JIS)-JIS method No.JPI-5S-55-99) again.The sedimental amount that records among each embodiment is shown in following table 3.
Table 3
Discuss
As shown in Table 3, it has surprisingly been found that, in the test of Komatsu heat pipe, with HDDEO composition (the comparative example 1-2 based on common mineral API II group base oil, comprise identical additive, viscosity modifier and pour point reducer with embodiment 1 and 2 prescription same amount) to compare, HDDEO composition of the present invention (embodiment 1 and 2) has improved de-sludging performance.Especially, in the Komatsu heat pipe test of under 280 ℃, carrying out, the average figure of merit of embodiment 1 is that the average spatter property figure of merit of 7.3 (i.e. in test " qualified ") and embodiment 2 is 9.0 (i.e. in test " qualified "), and the average spatter property figure of merit of comparative example 1 and 2 is 6.0 (thereby in tests " defective ").In the Komatsu heat pipe test of carrying out under 290 ℃, although embodiment 1 is in this is tested " defective ", its average spatter property figure of merit is higher than the value of comparative example 1 and 2, and this de-sludging performance that shows the composition of embodiment 1 is improved.
For the settling result, under 280 ℃ and 290 ℃, to compare with 2 with comparative example 1, the settling of embodiment 2 significantly reduces, and this de-sludging performance that shows embodiment 2 is improved.

Claims (15)

1. lubricating composition that comprises base oil blends and one or more additives, wherein said base oil blends comprises:
-overhead product cycloalkanes belongs to base oil, and the saturates content that it is measured according to IP368 is greater than 92wt% and comprise sulphur less than 10ppm; With
-Fisher-Tropsch derived base oil.
2. the lubricating composition of claim 1, the weight ratio that wherein said overhead product cycloalkanes belongs to base oil and described Fisher-Tropsch derived base oil is 10:90-50:50.
3. claim 1 or 2 lubricating composition, the weight ratio that wherein said overhead product cycloalkanes belongs to base oil and described Fisher-Tropsch derived base oil is 10:90-40:60.
4. each lubricating composition of claim 1-3, the weight ratio that wherein said overhead product cycloalkanes belongs to base oil and described Fisher-Tropsch derived base oil is 10:90-30:70.
5. each lubricating composition of claim 1-4, the pour point of wherein said base oil blends is less than-24 ℃ (according to ASTM D5950).
6. each lubricating composition of claim 1-5, the viscosity index of wherein said base oil blends (according to ASTM D2270) is greater than 95.
7. each lubricating composition of claim 1-6, wherein the kinematic viscosity under 100 ℃ of the base oil blends is 2.5-35mm 2/ s (according to ASTM D445).
8. the kinematic viscosity under each the lubricating composition of claim 1-7,100 ℃ of wherein said Fisher-Tropsch derived base oils is 2.5-14mm 2/ s (according to ASTM D445).
9. each lubricating composition of claim 1-8, the figure of merit in the Komatsu heat pipe test that wherein said lubricating composition is to carry out under 280 ℃ is greater than 7.
10. each lubricating composition of claim 1-9, wherein said lubricating composition is the SAE15W-XX grade lubricating composition according to SAE J-300, wherein XX is selected from 20,30,40 and 50.
11. the lubricating composition of claim 10, wherein said lubricating composition are the SAE15W-40 grade lubricating composition according to SAEJ-300.
12. each lubricating composition of claim 1-9, wherein said lubricating composition is the SAE10W-YY grade lubricating composition according to SAE J-300, and wherein YY is selected from 30 and 40.
13. each lubricating composition of claim 1-12 is as the purposes of heavy duty diesel engine oil or passenger vehicle automotive engine oil.
14. each lubricating composition of claim 1-12 is used for providing the purposes of improved de-sludging, particularly according to Komatsu heat pipe test (JIS method No.JPI-5S-55-99), particularly wherein the test of Komatsu heat pipe is carried out under 280 ℃.
15. each lubricating composition of claim 1-12 is used for providing the purposes of improved engine washing, particularly according to Komatsu heat pipe test (JIS method No.JPI-5S-55-99), particularly wherein the test of Komatsu heat pipe is carried out under 280 ℃.
CN2011800653040A 2010-12-17 2011-12-15 Lubricating composition Pending CN103314087A (en)

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