WO2011051261A1 - Composition lubrifiante - Google Patents

Composition lubrifiante Download PDF

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Publication number
WO2011051261A1
WO2011051261A1 PCT/EP2010/066123 EP2010066123W WO2011051261A1 WO 2011051261 A1 WO2011051261 A1 WO 2011051261A1 EP 2010066123 W EP2010066123 W EP 2010066123W WO 2011051261 A1 WO2011051261 A1 WO 2011051261A1
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WO
WIPO (PCT)
Prior art keywords
detergent
koh
lubricating composition
mol
sulphonate
Prior art date
Application number
PCT/EP2010/066123
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English (en)
Inventor
Jose Luis Garcia Ojeda
Original Assignee
Shell Internationale Research Maatschappij B.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Shell Internationale Research Maatschappij B.V. filed Critical Shell Internationale Research Maatschappij B.V.
Priority to US13/503,678 priority Critical patent/US20120214719A1/en
Priority to KR1020127013746A priority patent/KR101950667B1/ko
Priority to KR1020177011957A priority patent/KR20170052703A/ko
Priority to EP10771723.3A priority patent/EP2494014B1/fr
Priority to CN2010800483238A priority patent/CN102666817A/zh
Publication of WO2011051261A1 publication Critical patent/WO2011051261A1/fr
Priority to HK12112416.7A priority patent/HK1171782A1/xx

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Classifications

    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic 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
    • C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
    • C10M141/08—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic sulfur-, selenium- or tellurium-containing compound
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
    • C10M157/06—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential at least one of them being a sulfur-, selenium- or tellurium-containing compound
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C10M159/22—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing phenol radicals
    • 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
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction products
    • C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
    • C10M159/24—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing sulfonic radicals
    • 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
    • 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
    • C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/102—Aliphatic fractions
    • C10M2203/1025—Aliphatic fractions used as base material
    • 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
    • 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
    • C10M2207/028—Overbased salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/28—Amides; Imides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
    • C10M2219/046—Overbasedsulfonic acid salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • 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
    • C10N2030/52—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

Definitions

  • the present invention relates to a lubricating composition, in particular to lubricating compositions for use in internal combustion engines operated under sustained high load conditions, such as marine diesel engines and power applications. More particularly, the present invention relates to a marine lubricant.
  • EP 1 086 195 discloses a marine cylinder oil composition comprising a lubricating base oil and an over-based detergent component, the composition having a TBN of 50-90, and the detergent component comprising an over-based calcium sulphonate having a viscosity of at least 180 cSt at 100°C and a TBN of about 400 or more.
  • lubricating composition provides good lubrication properties under a variety of
  • Lubricating compositions used in marine diesel engines are subject to particularly high levels of stress due to the fact that marine engines are usually run continuously at near full load conditions for long periods of time, often in remote locations.
  • the lubricating compositions are expected to have long lifetimes since there is often little or no opportunity for changing the lubricating compositions in a marine engine .
  • marine does not restrict such engines to those used in water-borne vessels. That is to say, in addition said term also includes engines used for power generation applications. These highly rated, fuel efficient, slow- and medium-speed marine and stationary diesel engines operate at high pressures, high temperatures and long- strokes .
  • composition especially for use in an internal combustion engine such as a marine diesel engine.
  • lubricating composition at least comprising:
  • the detergent comprises at least 30 mol%, based on the total amount of detergent, of a sulphonate detergent having a BN (Base Number) of from 0.1 to 80 mg KOH/g;
  • the detergent comprises from 30 to 70 mol%, based on the total amount of detergent, of a phenate detergent
  • the lubricating composition comprises at least 4 wt . % of detergent, based on the total weight of the composition
  • the lubricating composition has a TBN (total base number) (according to ASTM D 2896) of at least 10 mg
  • the lubricating compositions according to the present invention exhibit improved deposit formation control properties as determined according to DIN 51392 and the Komatsu Hot Tube Test.
  • base oil used in lubricating composition according to the present invention there are no particular limitations regarding the base oil used in lubricating composition according to the present invention, and various conventional mineral oils, synthetic oils as well as naturally derived esters such as vegetable oils may be conveniently used.
  • the base oil used in the present invention may conveniently comprise mixtures of one or more mineral oils and/or one or more synthetic oils; thus, according to the present invention, the term "base oil” may refer to a mixture containing more than one base oil.
  • Mineral oils include liquid petroleum oils and solvent-treated or acid-treated mineral lubricating oil of the paraffinic, naphthenic, or mixed paraffinic/naphthenic type which may be further refined by hydrofinishing processes and/or dewaxing.
  • Suitable base oils for use in the lubricating oil composition of the present invention are Group I-III mineral base oils, Group IV poly-alpha olefins (PAOs) , Group I-III Fischer-Tropsch derived base oils and
  • Group I Group II
  • API American Petroleum Institute
  • Fischer-Tropsch derived base oils are known in the art.
  • Fischer-Tropsch derived is meant that a base oil is, or is derived from, a synthesis product of a Fischer-Tropsch process.
  • a Fischer-Tropsch derived base oil may also be referred to as a GTL (Gas-To-Liquids) base oil.
  • Suitable Fischer-Tropsch derived base oils that may be conveniently used as the base oil in the lubricating composition of the present invention are those as for example disclosed in EP 0 776 959, EP 0 668 342, WO 97/21788, WO 00/15736, WO 00/14188, WO 00/14187, WO 00/14183, WO 00/14179, WO 00/08115, WO 99/41332, EP 1 029 029, WO 01/18156 and WO 01/57166.
  • Synthetic oils include hydrocarbon oils such as olefin oligomers (including polyalphaolefin base oils; PAOs) , dibasic acid esters, polyol esters, polyalkylene glycols (PAGs), alkyl naphthalenes and dewaxed waxy isomerates .
  • hydrocarbon oils such as olefin oligomers (including polyalphaolefin base oils; PAOs) , dibasic acid esters, polyol esters, polyalkylene glycols (PAGs), alkyl naphthalenes and dewaxed waxy isomerates .
  • PAOs polyalphaolefin base oils
  • Shell Group under the designation "Shell XHVI” (trade mark) may be conveniently used.
  • PAOs Poly-alpha olefin base oils
  • lubricating compositions of the present invention may be derived from linear C2 to C 32 , preferably C 6 to Cie, alpha olefins.
  • Particularly preferred feedstocks for said poly- alpha olefins are 1-octene, 1-decene, 1-dodecene and 1- tetradecene.
  • the total amount of base oil incorporated in the lubricating composition of the present invention is preferably present in an amount in the range of from 60 to 99 wt. , more preferably in an amount in the range of from 65 to 98 wt.% and most preferably in an amount in the range of from 70 to 95 wt.%, with respect to the total weight of the lubricating composition.
  • the base oil comprises at least 50 wt.%, preferably at least 60 wt.%, more preferably at least 70 wt.% of a Group II base oil, based on the total amount of base oil.
  • detergent may refer to a single detergent, but also to a mixture containing two or more different detergents.
  • detergents include oil-soluble neutral and over- based sulphonates, phenates, sulphurized phenates, thiophosphonates , salicylates and naphthenates and other oil-soluble carboxylates of a metal, particularly the alkali or alkaline earth metals, e.g. sodium, potassium, lithium, and in particular calcium and magnesium.
  • Preferred metal detergents are neutral and over-based detergents having a TBN (Total Base Number; according to ASTM D2896) of up to 450 mg KOH/g. Combinations of detergents, whether over-based or neutral or both, may be used.
  • the detergent comprises at least 30 mol%, based on the total amount of detergent, of a sulphonate detergent having a BN (Base Number) of from 0.1 to 80 mg KOH/g.
  • BN Base Number
  • This type of sulphonate detergents having a relatively low BN are well known in the art; as an example WO 96/26919 discloses low BN calcium
  • the detergent comprises at least 35 mol% of the sulphonate detergent, preferably at least 40 mol%, more preferably at least 45 mol%, even more preferably at least 50 mol.%, most preferably at least 55 mol% .
  • the sulphonate detergent has a BN of at most 50 mg KOH/g, more preferably at most 40 mg KOH/g.
  • the detergent comprises from 30 to 70 mol%, based on the total amount of detergent, of a phenate detergent.
  • the detergent comprises at least 35 mol% of the phenate detergent; preferably the _ g confuse detergent comprises at most 65 mol% of the phenate detergent, more preferably at most 60 mol%, even more preferably at most 55 mol%, yet even more preferably at most 50 mol%, most preferably at most 45 mol% of the phenate detergent.
  • the phenate detergent is an over-based detergent having a BN of at least 190 rag KOH/g, preferably at least 200 , more
  • compositions of the invention is typically at most 35.0 wt.%, based on the total weight of the lubricating composition.
  • the composition of the present invention comprises at least 4 wt.%, preferably at least 8 wt.%, more preferably at least 12 wt.% of detergent, based on the total weight of the composition.
  • the lubricating composition according to the present invention may further comprise one or more other
  • additives such as anti-oxidants, anti-wear additives, dispersants, other detergents, extreme pressure additives, other friction modifiers, viscosity modifiers, pour point depressants, metal passivators, corrosion inhibitors, demulsifiers, anti-foam agents, seal compatibility agents and additive diluent base oils, etc.
  • a dispersant is present in the compositions according to the present invention; more preferably, at least a dispersant and an anti-wear additive are present.
  • the above-mentioned additives are typically present in an amount in the range of from 0.01 to 35.0 wt.%, based on the total weight of the lubricating composition, preferably in an amount in the range of from 0.5 to 30.0 wt.%, based on the total weight of the lubricating composition. More preferably, the lubricating composition according to the present contains less than 5.0 wt.% of any other additives than one or more detergents.
  • the composition contains no other additives than one or more detergents, one or more dispersants and one or more anti-wear agents.
  • the composition has a Total Base Number
  • TBN total base number
  • TBN value (according to ASTM D 2896) of at least 10 mg KOH/g.
  • the composition has a kinematic viscosity at 100°C (according to ASTM D 445) of above 5.6 mm 2 /s and below 21.9 mm 2 /s, preferably above 12.5 mm 2 /s, more preferably above 16.3 mm 2 /s.
  • inventions may be conveniently prepared by admixing the one or more additives with the base oil(s).
  • the present invention provides the use of a lubricating composition according to the present invention in order to improve deposit formation control properties, in particular as determined according to DIN 51392.
  • the lubricating compositions according to the present invention are useful for lubricating apparatus generally, but in particular for use as engine oils for internal combustion engines.
  • engine oils include passenger car engines, diesel engines, marine diesel engines, gas engines, two- and four-cycle engines, etc., and in particular marine diesel engines.
  • Table 1 indicates the composition and properties of the formulations that were tested; the amounts of the components are given in wt.%, based on the total weight of the fully formulated formulations.
  • All the tested marine cylinder oil formulations contained a combination of a base oil, a detergent combination and a dispersant.
  • Base oil 1 was a base oil blend of a Group I base oil and Bright Stock, commercially available from Shell Chemicals Ltd. (London, United Kingdom) under the trade designation "Catenex”.
  • Base oil 2 was a base oil blend containing a thickener and 75 wt.% of a Group II base oil; the blend is commercially available from Chevron Products Company (San Ramon, CA, USA) under the trade designation "Chevron 600 R”.
  • Detergent 1 was an over-based sulphonate detergent having a TBN. of 417 mg KOH/g (according to ASTM D 2896 ⁇ and a soap content of 236 mM Ca 2+ , commercially available from Chevron Oronite (Windsor, UK) under the trade designation "OLOA 249SX”.
  • Detergent 2 was an over-based sulphonate detergent having a TBN of 375 mg KOH/g and a soap content of 317 mM Ca 2+ , commercially available from JinZhou KangTai
  • Detergent 3 was an over-based phenate detergent having a TBN of 246 mg KOH/g and a soap content of 397 mM Ca 2+ , commercially available from Lubrizol (Wickliffe, Ohio, USA) under the trade designation "Lubrizol 6499".
  • Detergent 4" was an over-based phenate detergent having a TBN of 250 mg KOH/g and a soap content of 282 mM Ca 2 ⁇ , commercially available from Chevron Oronite under the trade designation "OLOA 219C”.
  • Detergent 5" was a low BN sulphonate detergent having a TBN of 16 mg KOH/g and a soap content of 410 mM Ca 2+ , commercially available from Chevron Oronite under the trade designation "OLOA 246S”.
  • Detergent 6 was a low BN sulphonate detergent having a TBN of 34 mg KOH/g and a soap content of 395 mM Ca 2+ , commercially available from Chemtura Corporation (Middlebury, USA) under the trade designation "LOBASE C- 4503".
  • Detergent 7 was an over-based sulphonate detergent having a TBi of 9 mg KOH/g and a soap content of 441 mM Ca 2 *, commercially available from Chemtura Corporation under the trade designation "LOBASE C-4506".
  • the "dispersant” was a high MW polyisobutene succinimide, commercially available from Afton Chemical Corporation (Richmond, VA, USA) under the trade
  • compositions of Examples 1-10 and Comparative Examples 1-2 were obtained by mixing the base oils with the detergents, dispersant using conventional lubricant blending procedures .
  • the measured value for the soap content has been expressed as equivalents of millimol Ca 2+ per kg of the detergent additive (see the soap contents as determined for the Detergents 1-7 above) .
  • the detergent (molar) content of each detergent type e.g. low BN sulphonates
  • the detergent (molar) content of each detergent type is obtained by addition of the individual detergent additive contribution (on wt.% basis) in the total formulation multiplied by the individual detergent content .
  • the detergent proportion has been determined by calculation (each detergent component divided by the total) and is expressed in mol% .
  • the phenate proportion and sulphonate proportion add up to 100%; the proportion of Low BN sulphonate (i.e.
  • sulphonates having a BN of from 0.1 to 80 mg KOH/g, preferably 0.1 to 50 mg KOH/g) is a subset of the
  • Base oil 1 83.4 81.1 83.9 82.5 76.1 (Group I + BS)
  • Base oil 1 86.2 88.8 82.0 85.6 78.5 (Group I + BS)
  • Detergent 4 5.0 8.0 (Over-based phenate)
  • test duration 12 hours; plate temperature at 280°C
  • test conditions 150 ml of oil flow in a closed loop was used; the oil under test was pumped in the form of a thin film for 12 hours at 280°C at a flow rate of 50 ( ⁇ 5) ml/h over a removable test strip which strip was inclined at an angle of 8° to the horizontal.
  • the measured normalized deposits are indicated in Table 1 above, indicating the relative amount compared to the example having the highest amount of total deposits (viz. Comparative Example 3).
  • the Komatsu Hot Tube Test evaluates the high temperature stability of a lubricant. Oil droplets are pushed up by air inside a heated narrow glass capillary tube and the thin film oxidative stability of the lubricant is
  • the base oil comprises at least 50 wt.% of a Group II base oil.

Abstract

La présente invention porte sur une composition lubrifiante comprenant au moins : une huile de base et un détergent ; le détergent comprenant au moins 30 % en mole, sur la base de la quantité totale de détergent, d'un détergent sulfonate ayant un B1SI (indice de base) de 0,1 à 80 mg de KOH/g ; le détergent comprenant 30 à 70 % en mole, sur la base de la quantité totale de détergent, d'un détergent phénate ; la composition lubrifiante comprenant au moins 4 % en poids de détergent, sur la base du poids total de la composition, et la composition lubrifiante ayant un TBN (indice de base total) (conformément à ASTM D 2896) d'au moins 10 mg de KOH/g.
PCT/EP2010/066123 2009-10-26 2010-10-26 Composition lubrifiante WO2011051261A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US13/503,678 US20120214719A1 (en) 2009-10-26 2010-10-26 Lubricating composition
KR1020127013746A KR101950667B1 (ko) 2009-10-26 2010-10-26 윤활 조성물
KR1020177011957A KR20170052703A (ko) 2009-10-26 2010-10-26 윤활 조성물
EP10771723.3A EP2494014B1 (fr) 2009-10-26 2010-10-26 Composition de lubrification
CN2010800483238A CN102666817A (zh) 2009-10-26 2010-10-26 润滑组合物
HK12112416.7A HK1171782A1 (en) 2009-10-26 2012-11-30 Lubricating composition

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EP2703477A2 (fr) 2012-06-07 2014-03-05 Infineum International Limited Lubrification de moteur marin
US10407640B2 (en) 2015-07-22 2019-09-10 Chevron Oronite Technology B.V. Marine diesel cylinder lubricant oil compositions

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN103484189A (zh) * 2012-06-07 2014-01-01 英菲诺姆国际有限公司 船用发动机润滑
EP2703477A2 (fr) 2012-06-07 2014-03-05 Infineum International Limited Lubrification de moteur marin
EP2719751A2 (fr) 2012-06-07 2014-04-16 Infineum International Limited Lubrification de moteur marin
EP2719751A3 (fr) * 2012-06-07 2015-09-02 Infineum International Limited Lubrification de moteur marin
US9464254B2 (en) 2012-06-07 2016-10-11 Infineum International Limited Marine engine lubrication
US10407640B2 (en) 2015-07-22 2019-09-10 Chevron Oronite Technology B.V. Marine diesel cylinder lubricant oil compositions

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CN102666817A (zh) 2012-09-12
US20120214719A1 (en) 2012-08-23
SG10201504132TA (en) 2015-06-29
HK1171782A1 (en) 2013-04-05
EP2494014A1 (fr) 2012-09-05
KR20120114236A (ko) 2012-10-16
KR101950667B1 (ko) 2019-02-21
EP2494014B1 (fr) 2015-12-16
CN106811266A (zh) 2017-06-09
KR20170052703A (ko) 2017-05-12

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