EP4584350A1 - Composition lubrifiante avec des propriétés fuel eco améliorées dans les véhicules hybrides - Google Patents
Composition lubrifiante avec des propriétés fuel eco améliorées dans les véhicules hybridesInfo
- Publication number
- EP4584350A1 EP4584350A1 EP23768234.9A EP23768234A EP4584350A1 EP 4584350 A1 EP4584350 A1 EP 4584350A1 EP 23768234 A EP23768234 A EP 23768234A EP 4584350 A1 EP4584350 A1 EP 4584350A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lubricating composition
- composition according
- carbon atoms
- linear
- base oil
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
Links
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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/38—Esters of polyhydroxy 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
- 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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/68—Esters
- C10M129/74—Esters of polyhydroxy 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds 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
- 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
- C10N2030/54—Fuel economy
-
- 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
Definitions
- the subject of the present invention is a lubricating composition used for light vehicles, in particular hybrid vehicles, and more particularly of the plug-in hybrid vehicle type and hybrid vehicle comprising a range extender.
- the present invention also relates to improving Fuel Eco at low temperatures in the engines of such vehicles.
- n 2 or 3, preferably 2.
- At least one of the groups R represents an alkyl group, linear or branched, comprising from 1 to 5 carbon atoms, preferably from 1 to 4 carbon atoms, more preferably methyl, ethyl or propyl, advantageously methyl.
- n 2;
- . m 2;
- R a and R b identical or different, represent independently of each other, hydrocarbon groups, saturated or unsaturated, linear or branched, presenting a linear sequence of 6 to 18 carbon atoms; provided that at least one of the groups R or R' represents an alkyl group, linear or branched, comprising from 1 to 5 carbon atoms, preferably methyl, ethyl or propyl, preferably methyl.
- one of the groups R 3 and R 4 represents an alkyl group, linear or branched, comprising from 1 to 5 carbon atoms, the other representing a hydrogen atom;
- one of the groups R 1 and R 2 represents a methyl, ethyl or propyl group, preferably methyl, the other representing a hydrogen atom;
- one of the groups R 3 and R 4 represents a methyl, ethyl or propyl group, preferably methyl, the other representing a hydrogen atom.
- s represents 1 and the diesters of the invention have formula (l’b):
- n 2;
- linear chain of x to y carbon atoms a carbon chain, saturated or unsaturated, preferably saturated, comprising from x to y carbon atoms, one after the other. others, the carbon atoms possibly present at the level of the branches of the carbon chain not being taken into account in the number of carbon atoms (x-y) constituting the linear sequence.
- R a and R b are plant, animal or petroleum origin.
- R a and R b identical or different, represent groups saturated.
- R a and R b identical or different, represent saturated linear alkyl groups comprising from 6 to 18 carbon atoms, preferably from 7 to 17 carbon atoms, in particular from 7 to 14 carbon atoms, preferably from 8 to 12 carbon atoms, in particular 9 or 12 carbon atoms.
- the lubricating composition according to the invention comprises from 15% to 90%, preferably from 25% to 85%, and in particular from 40% to 80%, by weight of diester of formula (I) relative to to the total weight of said lubricating composition.
- the aforementioned group 11+ base oil has a paraffinic compound content of less than or equal to 85%, preferably less than or equal to 80%, by weight relative to the total weight of the base oil.
- the aforementioned group 11+ base oil has a content of naphthenic compounds less than or equal to 30%, preferably less than or equal to 25%, by weight relative to the total weight of the base oil.
- the KV40 and KV100 of the above base oil are measured according to ASTM D445.
- the KV100 (KV100 from English Kinematic Viscosity measured at 100°C), namely the kinematic viscosity measured at 100°C, of the aforementioned base oil is less than or equal to 3 cSt.
- the sulfur content of the aforementioned base oil is between 0.00001 ppm and 5 ppm, and preferably between 0.0001 ppm and 1 ppm.
- the Noack volatility at 250°C is measured according to the CEC L-40-A-93 method.
- the Noack volatility at 250°C of the lubricating composition of the invention is between 10 and 20%, and preferably between 12 and 15%.
- the lubricating composition according to the invention may further comprise compounds or additives other than the group 11+ base oil and the diester of formula (I) mentioned above.
- the additional base oil used in the lubricating compositions of the invention can be chosen from oils of mineral or synthetic origin belonging to groups I to V according to the classes defined by the API classification (or their equivalents according to the ATIEL classification ( Table 1) or their mixtures.
- Mineral base oils include any type of base oil obtained by atmospheric and vacuum distillation of crude oil, followed by refining operations such as solvent extraction, deasphalting, solvent dewaxing, hydrotreating, hydrocracking, hydroisomerization and hydrofinishing.
- Blends of synthetic and mineral oils can also be used.
- the additional base oils of the lubricating compositions according to the invention can also be chosen from synthetic oils, such as certain esters of carboxylic acids and alcohols, and polyalphaolefins.
- the polyalphaolefins used as base oil are for example obtained from monomers comprising from 4 to 32 carbon atoms, for example from octene or decene, and for which the viscosity at 100°C is between 1.5 and 15 mm 2 .s -1 according to the ASTM D445 standard. Their average molar mass is generally between 250 and 3000 according to the ASTM D5296 standard.
- composition of the invention may also comprise at least one additive.
- the lubricating composition according to the invention further comprises a friction modifier additive, preferably based on molybdenum.
- the lubricating composition according to the invention comprises at least one friction modifier additive.
- Friction modifier additives make it possible to limit friction by forming monolayers adsorbed on the surfaces of metals in contact with them. They can be chosen from compounds providing metallic elements and compounds free of ash. Among the compounds providing metallic elements, we can cite transition metal complexes such as Mo, Sb. Sn, Fe, Cu, Zn whose ligands can be hydrocarbon compounds comprising oxygen, nitrogen, sulfur or phosphorus atoms.
- the ash-free friction modifier additives are generally of organic origin and can be chosen from esters of fatty acids and polyols, distinct from the monoester required according to the invention, alkoxylated amines, alkoxylated fatty amines, fatty epoxides. , fatty borate epoxides, fatty amines or glycerol esters of fatty acids.
- the fatty compounds comprise at least one hydrocarbon group comprising from 10 to 24 carbon atoms.
- the molybdenum-based compounds can be chosen from molybdenum dithiocarbamates (Mo-DTC), molybdenum dithiophosphates (Mo-DTP), and mixtures thereof.
- the Molybdenum (Mo) in the lubricating composition of the invention is provided by an organomolybdenum compound, in particular a compound chosen from a molybdenum dithiocarbamate derivative (MoDTC), a molybdenum dithiophosphate derivative (MoDTP) or a sulfur-free molybdenum complex, preferably a molybdenum dithiocarbamate derivative (MoDTC).
- MoDTC molybdenum dithiocarbamate derivative
- MoDTP molybdenum dithiophosphate derivative
- sulfur-free molybdenum complex preferably a molybdenum dithiocarbamate derivative (MoDTC).
- polymers improving the viscosity index mention may be made of polymer esters, homopolymers or copolymers, hydrogenated or non-hydrogenated, of styrene, butadiene and isoprene, homopolymers or copolymers of olefin, such as such as ethylene or propylene, polyacrylates and polymethacrylates (PMA), preferably homopolymers, polymethacrylates, or olefin copolymers, such as ethylene or propylene.
- polymer esters homopolymers or copolymers, hydrogenated or non-hydrogenated, of styrene, butadiene and isoprene
- olefin such as such as ethylene or propylene
- PMA polymethacrylates
- Amine phosphates are also anti-wear additives which can be used in the lubricating composition according to the invention.
- the phosphorus provided by these additives can act as a poison in the catalytic systems of automobiles because these additives generate ash.
- additives which do not provide phosphorus such as, for example, polysulphides, in particular sulfur-containing olefins.
- the lubricating composition according to the invention may comprise from 0.01% to 6% by mass, preferably from 0.05% to 4% by mass, more preferably from 0.1% to 2% by mass relative to to the total mass of lubricating composition, anti-wear additives and extreme pressure additives.
- the detergent additives are preferably chosen from alkali metal or alkaline earth metal salts of carboxylic acids, sulfonates, salicylates, naphthenates, as well as phenate salts.
- the alkali and alkaline earth metals are preferably calcium, magnesium, sodium or barium.
- the lubricating composition according to the invention also comprises at least one pour point depressant additive.
- pour point depressant additives By slowing down the formation of paraffin crystals, pour point depressant additives generally improve the cold behavior of the lubricating composition according to the invention.
- the present invention also relates to the use of the lubricating composition according to the invention for lubricating the parts of an engine such as a motor vehicle engine, more particularly a plug-in hybrid vehicle engine or a vehicle engine. hybrid including a range extender.
- an engine such as a motor vehicle engine, more particularly a plug-in hybrid vehicle engine or a vehicle engine. hybrid including a range extender.
- the present invention also relates to a method of lubricating a plug-in hybrid vehicle engine or a hybrid vehicle engine comprising a range extender, comprising bringing at least one part of the engine into contact with a lubricating composition according to the invention.
- the present invention also relates to a method for reducing the fuel consumption of a plug-in hybrid vehicle or a hybrid vehicle comprising a range extender, comprising bringing into contact at least one mechanical part of the engine with a composition lubricant as defined above.
- the invention also relates to a method for reducing friction occurring within an engine, said method comprising the use of a lubricating composition according to the invention.
- composition is preferably as described above.
- the BOV is a calculation of viscosity at 100°C of the mixture of base oils in the formula (in mm 2 /s).
- the CL lubricating composition greatly reduces friction on the K12C engine due to better lubrication, particularly at colder temperatures, which is more favorable on a plug-in hybrid vehicle or a hybrid vehicle engine including a range extender.
- the fuel gain calculated on the NEDC cycle is also greater on the CL lubricating composition than the other oils (CC1 -CC3).
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Lubricants (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2208884A FR3139343A1 (fr) | 2022-09-06 | 2022-09-06 | Composition lubrifiante avec des propriétés fuel eco améliorées dans les véhicules hybrides |
| PCT/EP2023/074477 WO2024052415A1 (fr) | 2022-09-06 | 2023-09-06 | Composition lubrifiante avec des propriétés fuel eco améliorées dans les véhicules hybrides |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4584350A1 true EP4584350A1 (fr) | 2025-07-16 |
Family
ID=84488827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23768234.9A Withdrawn EP4584350A1 (fr) | 2022-09-06 | 2023-09-06 | Composition lubrifiante avec des propriétés fuel eco améliorées dans les véhicules hybrides |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP4584350A1 (fr) |
| JP (1) | JP2025527918A (fr) |
| KR (1) | KR20250065660A (fr) |
| CN (1) | CN119836464A (fr) |
| FR (1) | FR3139343A1 (fr) |
| WO (1) | WO2024052415A1 (fr) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140342959A1 (en) * | 2013-05-16 | 2014-11-20 | Chevron U.S.A. Inc. | Diester-based base oil blends with improved cold flow properties and low noack |
| FR3069864B1 (fr) | 2017-08-03 | 2019-08-16 | Total Marketing Services | Composition lubrifiante comprenant un diester |
| FR3083244B1 (fr) * | 2018-07-02 | 2020-07-17 | Total Marketing Services | Composition pour refroidir et lubrifier un systeme de propulsion d'un vehicule electrique ou hybride |
-
2022
- 2022-09-06 FR FR2208884A patent/FR3139343A1/fr active Pending
-
2023
- 2023-09-06 KR KR1020257011124A patent/KR20250065660A/ko active Pending
- 2023-09-06 JP JP2025513412A patent/JP2025527918A/ja active Pending
- 2023-09-06 CN CN202380064103.1A patent/CN119836464A/zh active Pending
- 2023-09-06 EP EP23768234.9A patent/EP4584350A1/fr not_active Withdrawn
- 2023-09-06 WO PCT/EP2023/074477 patent/WO2024052415A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| KR20250065660A (ko) | 2025-05-13 |
| JP2025527918A (ja) | 2025-08-22 |
| CN119836464A (zh) | 2025-04-15 |
| FR3139343A1 (fr) | 2024-03-08 |
| WO2024052415A1 (fr) | 2024-03-14 |
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