EP2417234B1 - Lubrification de moteurs marins - Google Patents

Lubrification de moteurs marins Download PDF

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Publication number
EP2417234B1
EP2417234B1 EP10713313.4A EP10713313A EP2417234B1 EP 2417234 B1 EP2417234 B1 EP 2417234B1 EP 10713313 A EP10713313 A EP 10713313A EP 2417234 B1 EP2417234 B1 EP 2417234B1
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Prior art keywords
composition
oil
acid
engine
mass
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German (de)
English (en)
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EP2417234A1 (fr
Inventor
Terry Garner
Laura Gregory
Joseph Hartley
Peter Watts
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Infineum International Ltd
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Infineum International Ltd
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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
    • 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
    • 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
    • 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
    • C10M141/12—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 compound containing atoms of elements not provided for in groups C10M141/02 - C10M141/10
    • 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
    • C10M2203/1006—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
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
    • C10M2207/127—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids polycarboxylic
    • 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
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/26—Overbased carboxylic acid salts
    • C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • 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
    • C10M2215/08—Amides
    • 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
    • C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
    • C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
    • C10M2219/087—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Derivatives thereof, e.g. sulfurised phenols
    • C10M2219/089—Overbased salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • 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
    • C10N2030/04—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
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines

Definitions

  • Natural oils include animal oils and vegetable oils (e.g., caster oil, lard oil); liquid petroleum oils and hydrorefined, solvent-treated or acid-treated mineral oils of the paraffinic, naphthenic and mixed paraffinic-naphthenic types. Oils of lubricating viscosity derived from coal or shale also serve as useful base oils.
  • the oil of lubricating viscosity in this invention contains 50 mass % or more of the defined basestock or a mixture thereof. Preferably, it contains 60, such as 70, 80 or 90, mass % or more of the defined basestock or a mixture thereof.
  • the oil of lubricating viscosity may be substantially all the defined basestock or a mixture thereof.
  • M is an alkali metal (e.g. lithium, sodium or potassium) or alkaline earth metal (e.g. calcium, magnesium barium or strontium). Calcium or magnesium is preferred; calcium is especially preferred.
  • the COOM group can be in the ortho, meta or para position with respect to the hydroxyl group; the ortho position is preferred.
  • the R group can be in the ortho, meta or para position with respect to the hydroxyl group.
  • Hydroxybenzoic acids are typically prepared by the carboxylation, by the Kolbe-Schmitt process, of phenoxides, and in that case, will generally be obtained (normally in a diluent) in admixture with uncarboxylated phenol. Hydroxybenzoic acids may be non-sulphurized or sulphurized, and may be chemically modified and/or contain additional substituents. Processes for sulphurizing a hydrocarbyl-substituted hydroxybenzoic acid are well known to those skilled in the art, and are described, for example, in US 2007/0027057 .
  • an “overbased calcium salt of surfactants” is meant an overbased detergent in which the metal cations of the oil-insoluble metal salt are essentially calcium cations. Small amounts of other cations may be present in the oil-insoluble metal salt, but typically at least 80, more typically at least 90, for example at least 95, mole %, of the cations in the oil-insoluble metal salt, are calcium ions. Cations other than calcium may be derived, for example, from the use in the manufacture of the overbased detergent of a surfactant salt in which the cation is a metal other than calcium.
  • the metal salt of the surfactant is also calcium.
  • Overbased metal hydrocarbyl-substituted hydroxybenzoates can be made by either a batch or a continuous overbasing process.
  • (A) has:
  • the acid or anhydride thereof constitutes at least 1 mass % and up to 10 mass% of the lubricating oil composition. Preferably it constitutes from 1.5 up to 10, such as 2 to 10, for example 3 to 6, mass %.
  • (B) may be a mixture.
  • an anhydride of a dicarboxylic acid is preferred.
  • the hydrocarbyl group is a polyalkenyl group.
  • Such polyalkenyl moiety may have a number average molecular weight of from 200 to 3000, preferably from 350 to 950.
  • useful alpha-olefin monomers and comonomers include, for example, propylene, butene-1, hexene-1, octene-1, 4-methylpentene-1, decene-1, dodecene-1, tridecene-1, tetradecene-1, pentadecene-1, hexadecene-1, heptadecene-1, octadecene-1, nonadecene-1, and mixtures thereof (e.g., mixtures of propylene and butene-1, and the like).
  • These terminally unsaturated interpolymers may be prepared by known metallocene chemistry and may also be prepared as described in U.S. Patent Nos. 5,498,809 ; 5,663,130 ; 5,705,577 ; 5,814,715 ; 6,022,929 and 6,030,930 .
  • polymers prepared by cationic polymerization of isobutene, styrene, and the like are polymers prepared by cationic polymerization of isobutene, styrene, and the like.
  • Common polymers from this class include polyisobutenes obtained by polymerization of a C 4 refinery stream having a butene content of about 35 to about 75 mass %, and an isobutene content of about 30 to about 60 mass %, in the presence of a Lewis acid catalyst, such as aluminum trichloride or boron trifluoride.
  • a preferred source of monomer for making poly-n-butenes is petroleum feedstreams such as Raffinate II. These feedstocks are disclosed in the art such as in U.S. Patent No. 4,952,739 .
  • Polyisobutylene polymers that may be employed are generally based on a hydrocarbon chain of from 400 to 3000. Methods for making polyisobutylene are known. Polyisobutylene can be functionalized by halogenation (e.g. chlorination), the thermal "ene” reaction, or by free radical grafting using a catalyst (e.g. peroxide), as described below.
  • halogenation e.g. chlorination
  • the thermal "ene” reaction e.g. peroxide
  • a catalyst e.g. peroxide
  • the polymer or hydrocarbon may be functionalized, with carboxylic acid producing moieties (acid or anhydride) by reacting the polymer or hydrocarbon under conditions that result in the addition of functional moieties or agents, i.e., acid, anhydride moieties, etc., onto the polymer or hydrocarbon chains primarily at sites of carbon-to-carbon unsaturation (also referred to as ethylenic or olefinic unsaturation) using the halogen assisted functionalization (e.g. chlorination) process or the thermal "ene" reaction.
  • carboxylic acid producing moieties i.e., acid, anhydride moieties, etc.
  • chlorination normally helps increase the reactivity of starting olefin polymers with monounsaturated functionalizing reactant, it is not necessary with some of the polymers or hydrocarbons contemplated for use in the present invention, particularly those preferred polymers or hydrocarbons which possess a high terminal bond content and reactivity.
  • the backbone and the monounsaturated functionality reactant e.g., carboxylic reactant, are contacted at elevated temperature to cause an initial thermal "ene" reaction to take place. Ene reactions are known.
  • the hydrocarbon or polymer backbone can be functionalized by random attachment of functional moieties along the polymer chains by a variety of methods.
  • the polymer in solution or in solid form, may be grafted with the monounsaturated carboxylic reactant, as described above, in the presence of a free-radical initiator.
  • the grafting takes place at an elevated temperature in the range of about 100 to 260°C, preferably 120 to 240°C.
  • free-radical initiated grafting would be accomplished in a mineral lubricating oil solution containing, e.g., 1 to 50 mass %, preferably 5 to 30 mass % polymer based on the initial total oil solution.
  • the free-radical initiators that may be used are peroxides, hydroperoxides, and azo compounds, preferably those that have a boiling point greater than about 100°C and decompose thermally within the grafting temperature range to provide free-radicals.
  • Representative of these free-radical initiators are azobutyronitrile, 2,5-dimethylhex-3-ene-2, 5-bis-tertiary-butyl peroxide and dicumene peroxide.
  • the initiator when used, typically is used in an amount of between 0.005% and 1% by weight based on the weight of the reaction mixture solution.
  • the aforesaid monounsaturated carboxylic reactant material and free-radical initiator are used in a weight ratio range of from about 1.0:1 to 30:1, preferably 3:1 to 6:1.
  • the grafting is preferably carried out in an inert atmosphere, such as under nitrogen blanketing.
  • the resulting grafted polymer is characterized by having carboxylic acid (or derivative) moieties randomly attached along the polymer chains: it being understood, of course, that some of the polymer chains remain ungrafted.
  • the free radical grafting described above can be used for the other polymers and hydrocarbons of the present invention.
  • the monounsaturated carboxylic reactant typically will be used in an amount ranging from about equimolar amount to about 100 mass % excess, preferably 5 to 50 mass % excess, based on the moles of polymer or hydrocarbon. Unreacted excess monounsaturated carboxylic reactant can be removed from the final dispersant product by, for example, stripping, usually under vacuum, if required.
  • the treat rate of additives (A) and (B) contained in the lubricating oil composition is in the range of 2, preferably 2.5, to 20, more preferably 5 to 18, mass %.
  • the lubricating oil composition of the invention may comprise further additives, different from and additional to (A) and (B).
  • additional additives may, for example include ashless dispersants, other metal detergents, anti-wear agents such as zinc dihydrocarbyl dithiophosphates, anti-oxidants and demulsifiers.
  • test sequence lasted for 120 cycles, each cycle consisting of 15 seconds in which the oil was splashed onto the plate and 45 seconds without splashing.
  • the plate was washed with n-heptane, dried, reweighed and visually examined. The deposit weight was reported.
  • the scanning laser beam travels much faster than the particles; this means that the particles are effectively stationary. As the focussed beam reaches one edge of the particle there is an increase in the amount of backscattered light; the amount will decrease when the focussed beam reaches the other edge of the particle.

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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)

Claims (12)

  1. Composition d'huile lubrifiante de moteur marin à piston-fourreau pour améliorer la maîtrise des asphaltènes lors de son utilisation, pendant le fonctionnement du moteur lors de son alimentation avec un fuel-oil lourd, composition qui comprend ou qui est préparée en mélangeant une huile de viscosité propre à la lubrification, en une quantité dominante, contenant une proportion égale ou supérieure à 50 % en masse d'une huile lubrifiante de base contenant une quantité supérieure ou égale à 90 % de composés saturés et une quantité inférieure ou égale à 0,03 % de soufre ou un de leurs mélanges, et, en de petites quantités respectives :
    (A) un détergent hydroxybenzoate à substituant hydrocarbyle métallique surbasique ayant :
    (A1) un indice de basicité égal ou supérieur à 2 et un degré de carbonatation égal ou supérieur à 80 % ; ou
    (A2) un indice de basicité égal ou supérieur à 2 et un degré de carbonatation inférieur à 80 % ; ou
    (A3) un indice de basicité inférieur à 2 et un degré de carbonatation inférieur à 80 %, le degré de carbonatation étant le pourcentage de carbonate présent dans le détergent hydroxybenzoate à substituant hydrocarbyle métallique surbasique exprimé en pourcentage molaire par rapport à l'excès de base total dans le détergent ; et
    (B) un acide carboxylique à substituant hydrocarbyle ou son anhydride, dans lequel le ou au moins un groupe hydrocarbyle contient au moins 8 atomes de carbone ; l'acide ou l'anhydride représentant au moins 1 et jusqu'à 10 % en masse de la composition d'huile lubrifiante ;
    le taux de traitement des additifs (A) et (B) dans la composition d'huile lubrifiante étant comprise dans l'intervalle de 2 à 20 % en masse.
  2. Composition suivant la revendication 1, dans laquelle le métal en (A) est le calcium.
  3. Composition suivant l'une quelconque des revendications 1 et 2, dans laquelle l'hydroxybenzoate à substituant hydrocarbyle en (A) est un salicylate.
  4. Composition suivant l'une quelconque des revendications 1 à 3, dans laquelle l'huile de viscosité propre à la lubrification contient plus de 60 % en masse d'une huile lubrifiante de base contenant une quantité supérieure ou égale à 90 % de composés saturés et une quantité inférieure ou égale à 0,03 % de soufre ou un de leurs mélanges.
  5. Composition suivant l'une quelconque des revendications 1 à 4, dans laquelle le groupe hydrocarbyle en (B) a 8 à 400, par exemple 12 à 100, notamment 16 à 64 atomes de carbone.
  6. Composition suivant l'une quelconque des revendications 1 à 5, dans laquelle, dans l'acide ou le dérivé (B), le substituant hydrocarbyle est dérivé d'une polyoléfine.
  7. Composition suivant l'une quelconque des revendications 1 à 6, dans laquelle (B) est un acide succinique ou un anhydride succinique.
  8. Composition suivant la revendication 7, dans laquelle (B) est un acide ou anhydride polyisobutene-succinique.
  9. Composition suivant l'une quelconque des revendications 1 à 8, ayant un indice de basicité total (TBN) de 20 à 60, par exemple de 25 à 55.
  10. Utilisation d'un détergent (A) tel que défini dans la revendication 1 en association avec un acide ou anhydride carboxylique (B) tel que défini dans l'une quelconque des revendications précédentes, et en la quantité indiquée dans la revendication 1, dans une composition d'huile lubrifiante de moteur marin à piston-fourreau pour un moteur marin à allumage par compression à vitesse moyenne, composition qui comprend une huile de viscosité propre à la lubrification en une quantité dominante et qui contient une quantité égale ou supérieure à 50 % en masse d'une huile lubrifiante de base contenant une quantité supérieure ou égale à 90 % de composés saturés et une quantité inférieure ou égale à 0,03 % de soufre ou un de leurs mélanges, pour améliorer la maîtrise des asphaltènes au cours du fonctionnement du moteur, alimenté avec un fuel-oil lourd, et la lubrification de ce moteur par la composition, comparativement à une opération analogue dans laquelle la même quantité de détergent est utilisée en l'absence de (B).
  11. Procédé pour faire fonctionner un moteur marin à allumage par compression à piston-fourreau à vitesse moyenne, comprenant
    (i) l'alimentation du moteur avec un fuel-oil lourd ; et
    (ii) la lubrification du carter du moteur avec une composition telle que définie dans l'une quelconque des revendications 1 à 9.
  12. Procédé pour disperser les asphaltènes dans une composition d'huile lubrifiante pour moteur marin à piston-fourreau au cours de la lubrification par cette composition des surfaces de la chambre de combustion d'un moteur marin à allumage par compression à vitesse moyenne et au cours du fonctionnement du moteur, procédé qui comprend
    (i) la fourniture d'une composition telle que définie dans l'une quelconque des revendications 1 à 9 ;
    (ii) la fourniture de la composition dans la chambre de combustion ;
    (iii) la fourniture d'un fuel-oil lourd dans la chambre de combustion ; et
    (iv) la combustion du fuel-oil lourd dans la chambre de combustion.
EP10713313.4A 2009-04-07 2010-03-31 Lubrification de moteurs marins Active EP2417234B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP10713313.4A EP2417234B1 (fr) 2009-04-07 2010-03-31 Lubrification de moteurs marins

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP09157524 2009-04-07
PCT/EP2010/002131 WO2010115594A1 (fr) 2009-04-07 2010-03-31 Lubrification de moteur marin
EP10713313.4A EP2417234B1 (fr) 2009-04-07 2010-03-31 Lubrification de moteurs marins

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EP2417234A1 EP2417234A1 (fr) 2012-02-15
EP2417234B1 true EP2417234B1 (fr) 2013-06-05

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US (2) US20120028522A1 (fr)
EP (2) EP2417233B1 (fr)
JP (2) JP5698729B2 (fr)
KR (2) KR101654397B1 (fr)
CN (3) CN102365352A (fr)
AU (2) AU2010234299B2 (fr)
CA (2) CA2755308C (fr)
ES (2) ES2428237T3 (fr)
SG (2) SG174925A1 (fr)
WO (2) WO2010115595A1 (fr)

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ES2425957T3 (es) 2013-10-18
CN102365352A (zh) 2012-02-29
AU2010234300A1 (en) 2011-10-27
JP2012522879A (ja) 2012-09-27
AU2010234299B2 (en) 2014-04-24
SG174925A1 (en) 2011-11-28
WO2010115594A1 (fr) 2010-10-14
AU2010234300B2 (en) 2014-04-24
CA2755308C (fr) 2013-09-24
KR20120006995A (ko) 2012-01-19
CN104277894A (zh) 2015-01-14
SG175117A1 (en) 2011-11-28
WO2010115595A9 (fr) 2011-08-04
AU2010234299A1 (en) 2011-10-27
KR20120027208A (ko) 2012-03-21
KR101654397B1 (ko) 2016-09-05
KR101662350B1 (ko) 2016-10-04
EP2417234A1 (fr) 2012-02-15
JP5698728B2 (ja) 2015-04-08
ES2428237T3 (es) 2013-11-06
CA2755815C (fr) 2015-03-17
JP2012522878A (ja) 2012-09-27
WO2010115594A9 (fr) 2011-08-04
WO2010115595A1 (fr) 2010-10-14
US20120028522A1 (en) 2012-02-02
EP2417233A1 (fr) 2012-02-15
CN102365353A (zh) 2012-02-29
CA2755815A1 (fr) 2010-10-14
CA2755308A1 (fr) 2010-10-14
EP2417233B1 (fr) 2013-06-26
JP5698729B2 (ja) 2015-04-08
US20120028521A1 (en) 2012-02-02

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