EP2814917A1 - Additifs ameliorant la resistance a l'usure et au lacquering de carburants de type gazole ou biogazole - Google Patents
Additifs ameliorant la resistance a l'usure et au lacquering de carburants de type gazole ou biogazoleInfo
- Publication number
- EP2814917A1 EP2814917A1 EP13704128.1A EP13704128A EP2814917A1 EP 2814917 A1 EP2814917 A1 EP 2814917A1 EP 13704128 A EP13704128 A EP 13704128A EP 2814917 A1 EP2814917 A1 EP 2814917A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- additives
- diesel
- ppm
- dispersants
- carbon atoms
- 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.)
- Granted
Links
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- 239000002270 dispersing agent Substances 0.000 claims description 38
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- -1 demulsifiers Substances 0.000 claims description 28
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- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 25
- AGNTUZCMJBTHOG-UHFFFAOYSA-N 3-[3-(2,3-dihydroxypropoxy)-2-hydroxypropoxy]propane-1,2-diol Chemical compound OCC(O)COCC(O)COCC(O)CO AGNTUZCMJBTHOG-UHFFFAOYSA-N 0.000 claims description 23
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- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 11
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- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 4
- 125000001931 aliphatic group Chemical group 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 4
- 235000006708 antioxidants Nutrition 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000006078 metal deactivator Substances 0.000 claims description 4
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- 238000006116 polymerization reaction Methods 0.000 claims description 4
- 229920001897 terpolymer Polymers 0.000 claims description 4
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 claims description 3
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- RREANTFLPGEWEN-MBLPBCRHSA-N 7-[4-[[(3z)-3-[4-amino-5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidin-2-yl]imino-5-fluoro-2-oxoindol-1-yl]methyl]piperazin-1-yl]-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(\N=C/3C4=CC(F)=CC=C4N(CN4CCN(CC4)C=4C(=CC=5C(=O)C(C(O)=O)=CN(C=5C=4)C4CC4)F)C\3=O)=NC=2)N)=C1 RREANTFLPGEWEN-MBLPBCRHSA-N 0.000 claims description 3
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 229920002873 Polyethylenimine Polymers 0.000 claims description 3
- 150000003926 acrylamides Chemical group 0.000 claims description 3
- 150000001252 acrylic acid derivatives Chemical group 0.000 claims description 3
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000005250 alkyl acrylate group Chemical group 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 125000004429 atom Chemical group 0.000 claims description 3
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- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 150000003949 imides Chemical class 0.000 claims description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 claims 2
- 239000005864 Sulphur Substances 0.000 abstract 2
- 238000002347 injection Methods 0.000 description 29
- 239000007924 injection Substances 0.000 description 29
- PHDVPEOLXYBNJY-KTKRTIGZSA-N 2-(2-hydroxyethoxy)ethyl (z)-octadec-9-enoate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCCOCCO PHDVPEOLXYBNJY-KTKRTIGZSA-N 0.000 description 28
- 238000000034 method Methods 0.000 description 23
- 238000012360 testing method Methods 0.000 description 18
- 239000002253 acid Substances 0.000 description 12
- 239000008158 vegetable oil Substances 0.000 description 10
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- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- RZRNAYUHWVFMIP-HXUWFJFHSA-N glycerol monolinoleate Natural products CCCCCCCCC=CCCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-HXUWFJFHSA-N 0.000 description 7
- 239000011734 sodium Substances 0.000 description 7
- 229910052708 sodium Inorganic materials 0.000 description 7
- 235000015112 vegetable and seed oil Nutrition 0.000 description 7
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 6
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- NUMQCACRALPSHD-UHFFFAOYSA-N tert-butyl ethyl ether Chemical compound CCOC(C)(C)C NUMQCACRALPSHD-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- C10L1/00—Liquid carbonaceous fuels
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- C10L1/1985—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds homo- or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon to carbon double bond, and at least one being terminated by an acyloxy radical of a saturated carboxylic acid, of carbonic acid polyethers, e.g. di- polygylcols and derivatives; ethers - esters
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- C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/18—Use of additives to fuels or fires for particular purposes use of detergents or dispersants for purposes not provided for in groups C10L10/02 - C10L10/16
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/02—Inorganic or organic compounds containing atoms other than C, H or O, e.g. organic compounds containing heteroatoms or metal organic complexes
- C10L2200/0259—Nitrogen containing compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0407—Specifically defined hydrocarbon fractions as obtained from, e.g. a distillation column
- C10L2200/0438—Middle or heavy distillates, heating oil, gasoil, marine fuels, residua
- C10L2200/0446—Diesel
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2200/00—Components of fuel compositions
- C10L2200/04—Organic compounds
- C10L2200/0461—Fractions defined by their origin
- C10L2200/0469—Renewables or materials of biological origin
- C10L2200/0476—Biodiesel, i.e. defined lower alkyl esters of fatty acids first generation biodiesel
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2270/00—Specifically adapted fuels
- C10L2270/02—Specifically adapted fuels for internal combustion engines
- C10L2270/023—Specifically adapted fuels for internal combustion engines for gasoline engines
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L2270/00—Specifically adapted fuels
- C10L2270/02—Specifically adapted fuels for internal combustion engines
- C10L2270/026—Specifically adapted fuels for internal combustion engines for diesel engines, e.g. automobiles, stationary, marine
Definitions
- the present invention relates to additives for improving the wear resistance and lubricity of diesel or biodiesel fuels but also their resistance to lacquering.
- the present invention also relates to the use of additives to improve the lacquering resistance of fuels of the (bio) diesel fuel type of higher quality.
- the sulfur content of diesel (B0) or biodiesel (Bx) fuels has been reduced in many countries for environmental reasons, in particular to reduce SO 2 emissions. For example, in Europe, the maximum sulfur content of road diesel fuels is currently 10 ppm.
- Lubricants and / or anti-wear additives for fuel oils have been described in EP 680 506; these additives include an ester of a carboxylic acid and an alcohol, wherein the acid has from 2 to 50 carbon atoms, and the alcohol has one or more atoms; one of the preferred additives is glycerol monooleate (GMO).
- GMO glycerol monooleate
- esters a) and b) being different.
- these ester mixtures have a particularly good filterability (measured according to IP 387); the preferred ester mixtures are mixtures comprising predominantly glycerol monooleate and glycerol monolinoleate, preferably in substantially equal proportions.
- EP 915 944 describes anti-wear additives for low sulfur diesel fuels consisting of a combination of at least one saturated or unsaturated aliphatic monocarboxylic hydrocarbon, linear chain of between 12 and 24 carbon atoms, and less a polycyclic hydrocarbon compound selected from the group consisting of natural resin acids, and carboxylate derivatives of amines, esters and nitriles of these acids.
- These additives can for example derive from tall oil (in English "tall oil”).
- high-grade fuel of the diesel or biodiesel type is understood to mean any diesel or biodiesel fuel supplemented with at least 50 mass ppm of at least one compound chosen from deposit reducing agents, detergents and dispersants.
- B0 type diesel fuels which do not contain oxygenated compounds
- Bx type biodiesel fuels which contain x% (v / v) of vegetable oil esters or fatty acids, most often methyl esters. (EMHV or EMAG)
- lacquering phenomenon is also known by the English term lacquering which will be used in the following description or by the acronym IDID (internai diesel injector deposits).
- IDID internal diesel injector deposits
- the lacquering phenomenon does not concern deposits external to the injection system relating to coking (coking in English) or plugging of the injection nozzles (nozzle coking or fouling) as simulated for example by CEC standard engine test F098-08 DW10B, especially when the test fuel is contaminated with metallic zinc.
- the lacquering phenomenon can be located on the end of the injection needles, both on the head and on the body of the needles of the fuel injection system but also throughout the control system of the lift of needles (valves) of the injection system, for the engines of vehicles running on diesel or biodiesel fuel, and in particular for high quality (bio) diesel fuels.
- This lacquering phenomenon can eventually generate a loss of injected fuel flow and thus a loss of power of the engine.
- the sources of sodium in Bx type biodiesel fuels can be multiple:
- Another possible source of sodium may come from corrosion inhibitors used to transport petroleum products in certain pipes, such as sodium nitrite;
- Possible sources of acids in type Bx fuels can be multiple, for example:
- o corrosion inhibitors used for transporting petroleum products in certain pipes such as DDSA (dodecenylsuccinic anhydride) or HDSA (hexadecenylsuccinic anhydride) or some of their functional derivatives such as acids.
- PIBSI polyisobutylenesuccinimide
- these salts are insoluble in diesel fuels with low sulfur content, and as they exist in the form of fine particles, pass through the diesel fuel filters and are deposited inside the injectors.
- this publication the development of a motor test is described and reproduces the deposits.
- the publication emphasizes that only diacids generate deposits, unlike the mono carboxylic acids or the neutral esters of organic acids.
- SAE International, 2010-01 -2250 Deposit Control in Diesel Fuel Injection System Modem, the authors, R.Caprotti, N. Bhatti and G.
- Balfour also study the same type of internal deposits in injectors and state that the appearance of deposits is not related specifically to a type of fuel (B0 or containing EMAG (Bx)) or to a type of vehicle (light or heavy vehicles) equipped with modern engines (common rail). They show the performance of a new deposit reducer / dispersant, effective on all types of deposits (coking and lacquering).
- esters obtained from carboxylic acids comprising 1 to 21 carbon atoms and diglycerol, oligoglycerols and / or polyglycerols. These esters are used to improve the lubricity of diesel fuel. This document does not relate to improving the lacquering resistance of fuels of the (bio) diesel fuel type of higher quality. Deposits due to lacquering are insoluble in low-sulfur diesel fuels and biodiesel fuels. These deposits exist in the form of fine particles and can pass through the diesel fuel filters and be deposited inside the injectors.
- the present invention overcomes the disadvantages mentioned above.
- the present invention provides additives capable of tangibly improving not only the wear resistance of low sulfur (bio) diesel or bio (diesel) fuels, typically less than 100 ppm by weight, but also the lacquering resistance.
- high quality (bio) diesel fuels ie additives with at least 50 mass ppm of at least one compound selected from deposit reducing agents, detergents, dispersants.
- the present invention relates to the use of additives for improving the lacquering resistance of fuels of the (bio) diesel fuel type of higher quality, said additives comprising at least 50% by weight of monoester (s) and / or diester (s) of polyglycerols, said polyglycerols having from 2 to 5 glycerol units per molecule and the ester units being derived from fatty acid (s), the fatty acid (s) possibly having one or more ethylenic unsaturations, and more than 50% by number of the fatty chains comprising between 12 and 24 carbon atoms.
- additives comprising at least 50% by weight of monoester (s) and / or diester (s) of polyglycerols, said polyglycerols having from 2 to 5 glycerol units per molecule and the ester units being derived from fatty acid (s), the fatty acid (s) possibly having one or more ethylenic unsaturations, and more than 50% by number of the fatty chains comprising between
- high-grade fuel of the diesel or biodiesel type is understood to mean any diesel or biodiesel fuel in which one or more additives are incorporated in order to improve their performance (beyond regulatory performance), preferably diesel fuel or biodiesel with at least 50 ppm by weight least one compound selected from deposit reducing agents, detergents, dispersants.
- the detergent or dispersant additives are especially (but not exclusively) selected from the group consisting of amines, succinimides, succinamides, alkenylsuccinimides, polyalkylamines, polyalkylamines, polyetheramines, bases of Mannich; examples of such additives are given in EP 938 535.
- the deposition agent / detergent / dispersant is chosen from: o substituted succinic acid anhydrides, especially polyisobutenyl succinic anhydrides, often called PIBSA, in which the polyisobutylene (also called polyisobutene) group has a molecular mass of between 140 and 5000 and preferably between 500 and 2000 or preferably between 750 and 1250, substituted amines such as N-polyisobutene amine R1-NH2, N-polyisobutene-ethylenediamine R1-NH-R2-NH2, or also polyisobutenesuccinimides of formula:
- R represents a polyisobutene (polyisobutylene) group with a molecular mass of between 140 and 5000 and preferably between 500 and 2000. or preferably between 750 and 1250; or their structural equivalents bissuccinimides, succinamides, succinamides, and wherein R2 represents at least one of the following segments -CH2-CH2-, -CH2-CH2-CH2, -CH2-CH (CH3) - and x represents an integer inclusive between 1 and 6. o polyethyleneamines. These are particularly effective. They are for example described in detail in the reference "Ethylene Amines" Encyclopedia of Chemical Technology, Kirk and Othmer, Vol. 5, pp. 898-905, Interscience Publishers, New York (1950). polyetheramines of formula
- R is an alkyl or aryl group having from 1 to 30 carbon atoms
- R1 and R2 are each independently hydrogen, an alkyl chain of 1 to 6 carbon atoms or -O-CHR1 -CHR2-
- A is an amine or N-alkylamine with 1 to 20 carbon atoms in the alkyl chain, a ⁇ , ⁇ -dialkylamine having 1 to 20 carbon atoms in each alkyl group, or a polyamine with 2 to 12 carbon atoms. nitrogen and from 2 to 40 carbon atoms
- x is from 5 to 30.
- Such polyetheramines are for example marketed by the companies BASF, HUNSTMAN or CHEVRON. the reaction products between a phenol substituted with a hydrocarbon chain, an aldehyde and an amine or polyamine or ammonia.
- the alkyl group of the alkylated phenol may be from 10 to 10 carbon atoms. This alkyl group can be obtained by polymerization of olefinic monomer containing from 1 to 10 atoms carbon (ethylene, propylene, 1-butene, isobutylene and 1-decene).
- the polyolefins particularly used are polyisobutene and / or polypropylene.
- the polyolefins generally have a weight average molecular weight Mw of between 140 and 5000 and preferably between 500 and 2000 or preferably between 750 and 1250.
- the alkyl phenols can be prepared by alkylation reaction between a phenol and an olefin or a polyolefin such as polyisobutylene or polypropylene.
- the aldehyde used may contain from 1 to 10 carbon atoms, usually formaldehyde or paraformaldehyde.
- the amine used may be an amine or a polyamine including alkanol amines having one or more hydroxy groups.
- the amines used are generally chosen from ethanolamine, diethanolamines, methylamine, dimethylamine, ethylenediamine, dimethylaminopropylamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine and / or 2- (2-aminoethylamino) ethanol.
- This dispersant can be prepared by a Mannich reaction by reacting an alkylphenol, an aldehyde and an amine as described in US Pat. No. 5,697,988.
- the other dispersants such as:
- amine dispersants derived from the reaction between high molecular weight halogenated aliphatic hydrocarbon compounds with polyamines, preferably polyalkylene polyamines, described for example in US 3,565,804;
- polymeric dispersants obtained by polymerization of alkylacrylates or alkylmethacrylates (C8-C30 alkyl chains), aminoalkylacrylates or acrylamides and acrylates substituted with poly (oxyethylene) groups. Examples of polymeric dispersants are described, for example, in US 3,329,658 and US 3,702,300;
- dispersants containing at least one aminotriazole group as described for example in US2009 / 0282731 from the reaction of a hydrocarbyl-substituted dicarboxylic acid or anhydride and an amine compound or salt (amino) guanidine type;
- Mannich bases for example dodecylphenol / ethylenediamine / formaldehyde, and PIBSI, such as those described in WO2010 / 097624 and WO 2009/040582;
- the deposition agent / detergent / dispersant is chosen from substituted succinic acid anhydrides, especially polyisobutenyl succinic anhydrides, often referred to as PIBSA, in which the polyisobutylene group (also called polyisobutene) has a mass molecular weight of between 140 and 5000, preferably between 500 and 2000 or preferably between 750 and 1250.
- Another object of the invention relates to fuels (bio) gas oil of superior quality and improved lacquering resistance, additive with at least 50 ppm m / m of at least one compound selected from deposit reducing agents, detergents, dispersants and with at least one additive as defined in the present invention.
- the selective conversion of glycerol to polyglycerols (PG) and polyglycerol esters (EPG) is an important reaction leading, as previously indicated, to various biodegradable surfactants very widely used in industry.
- the polyglycerols can be obtained by oligomerization of glycerol. Generally, the reaction is carried out in the presence of acidic or basic homogeneous or heterogeneous catalysts.
- polyglycerols are mixtures of homologues close to a target major molecule.
- the diglycerol marketed by Fluka has the following distribution with 87% diglycerol and 10% tri- and tetraglycerol.
- fatty acid (s) and polyglycerol (s) are known per se; they may for example be prepared by esterification of fatty acid (s) and diglycerol in the case of mono- and diesters of diglycerol (or triglycerol in the case of mono- and di-esters of triglycerol).
- the product resulting from this esterification reaction comprises a mixture of mono-, di-; polyglycerol tri- and tetraesters (eg diglycerol, triglycerol, mixture of di- and triglycerol), as well as small amounts of fatty acid (s) and polyglycerol, (eg diglycerol, triglycerol, mixture of di- and triglycerol) which did not react.
- patent EP 1 679 300 describes a method for producing fatty acid esters and polyglycerol, in which glycerol is added to a reaction mixture obtained by a direct esterification reaction between polyglycerol and a fatty acid at a temperature of from 60 ° C to less than 180 ° C, and the glycerol phase containing unreacted polyglycerols is separated and removed.
- esters of fatty acid (s) and polyglycerols have been known for a long time as nonionic surfactants; being biodegradable and biocompatible, they are used in particular for food and personal care.
- polyglycerol esters are described as "fuel economy" additives for any type of fuel; only decaglycerol tetraoleate is exemplified in a petrol fuel as a fuel economy additive.
- the polyglycerols may be represented by one of the following general formulas:
- n> 2 represents the number of glycerol units of the polyglycerol.
- the polyglycerols (PG) are characterized by their molecular weight, their number of hydroxyl groups and their hydroxyl number, as mentioned in the table below. Index
- the fatty acids from which the polyglycerol esters according to the invention are derived can be chosen from stearate, isostearate, oleate, linoleate, linolenate, behenate, arachidonate, ricinoleate, palmitate, myristate, laurate, caprate, and their mixtures and the corresponding esters.
- the fatty acids can come from the transesterification or saponification of vegetable oils and / or animal fats. Preferred vegetable oils and / or animal fats will be selected according to their concentration of oleic acid. For example, see Table 6.21 in Chapter 6 of the book Carburants & Moteurs by JC Guibet and E. Faure, 2007 edition, which lists the compositions of several vegetable oils and animal fats.
- the fatty acids may also be derived from tall oil fatty acids (TOFA) which comprise a major amount of fatty acids, typically greater than or equal to 90% by weight, as well as resin acids and fatty acids. unsaponifiable in a minority quantity, ie in quantities generally less than 10% by mass.
- TOFA tall oil fatty acids
- Preferred additives according to the invention which can improve the wear resistance of low sulfur (bio) diesel fuels and the lacquering resistance of high quality (bio) diesel fuels include partial esters of diglycerol or triglycerol with at least 50% by weight of monoester and / or diester (s) of oleic acid and diglycerol, therefore of diglycerol mono-oleate (s) (DGMO) and / or dioleate (s) of diglycerol (DGDO).
- DGMO diglycerol mono-oleate
- DGDO dioleate
- Other preferred additives comprise at least 50% by weight of mono- and / or diester (s) of oleic acid and triglycerol, and thus of triglycerol mono-oleate (s) and / or dioleate (s). triglycerol.
- additives comprise at least 50% by weight of mono- and / or diester (s) of oleic acid and diglycerol and / or triglycerol.
- Diesel fuels liquid fuels for compression engines
- TCC starting crystallization temperature
- distillates are base mixtures which can be chosen for example from distillates obtained by the direct distillation of petroleum or crude hydrocarbons, vacuum distillates, hydrotreated distillates, distillates derived from catalytic cracking and / or distillate hydrocracking under vacuum, distillates resulting from ARDS type conversion processes ( by desulfurization of atmospheric residue) and / or visbreaking.
- Diesel fuels may also contain light cuts such as distillate spirits, catalytic cracking or thermal cracking units, isomerization alkylation units, desulphurization units, steam cracking units.
- diesel fuels may contain new sources of distillates, including:
- Plant or animal biomass and vegetable or animal oils that can be hydrotreated or hydrodeoxygenated Plant or animal biomass and vegetable or animal oils that can be hydrotreated or hydrodeoxygenated
- alcohols such as methanol, ethanol, butanols, ethers (MTBE, ETBE, etc.) generally used in admixture with petrol fuels, but sometimes with heavier fuels of the diesel type,
- oils and / or their esters such as methyl or ethyl esters of vegetable oils or of fatty acids (EMHV, EEHV, EMAG),
- hydrotreated vegetable oils and / or animal and / or hydrocracked and / or hydrodeoxygenated (H OD), and / or even biodiesels of animal and / or vegetable origin are hydrotreated vegetable oils and / or animal and / or hydrocracked and / or hydrodeoxygenated (H OD), and / or even biodiesels of animal and / or vegetable origin.
- These new fuels and fuel bases can be used alone or mixed with conventional petroleum distillates as fuel base (s); they generally comprise long paraffinic chains greater than or equal to 10 carbon atoms and preferably C14 to C30.
- the diesel fuels have a sulfur content of less than or equal to 500 mass ppm, advantageously less than or equal to 100 ppm by mass, and which can be lowered to a content of less than or equal to 50 ppm by mass, or even even lower than or equal to 10 ppm mass (this is the case of diesel fuels for current vehicles whose sulfur content according to the European standard EN 590 currently in force must be less than or equal to 10 ppm mass).
- the wear resistance and lacquering resistance additives for diesel fuels according to the invention may be incorporated in the fuels up to a value of up to 10% by weight, and advantageously so that the concentration of and di-ester (s) of diglycerol and / or triglycerol in the final fuel is between 20 and 1 000 ppm by weight, and preferably between 30 and 200 ppm mass m / m, that is to say mass ppm. relative to the total mass of the additive fuel.
- compositions of (bio) diesel fuel of superior quality contain at least 50 ppm by weight of at least one compound selected from deposit reducing agents, detergents, dispersants and contain at least one additive according to the invention. invention and optionally at least one or more other functional additives.
- Another object of the present invention relates to packages of additives for (bio) diesel fuel containing at least one additive according to the present invention and at least one or more functional additives.
- the additive package further comprises at least 50 mass ppm of at least one compound selected from deposit reducing agents, detergents, dispersants such as those described above.
- the anti-wear and anti-lacquering additives of the present invention may be used alone or in admixture with other functional additives, such as deposition / dispersant reducers, antioxidants, combustion improvers, corrosion inhibitors , cold-strength additives (cloud point enhancement, sedimentation rate, filterability and / or cold flow), dyes, demulsifiers, metal deactivators, antifoam agents, cetane number, co-solvents, compatibilizing agents, other anti-wear additives than those of the present invention, etc.
- functional additives such as deposition / dispersant reducers, antioxidants, combustion improvers, corrosion inhibitors , cold-strength additives (cloud point enhancement, sedimentation rate, filterability and / or cold flow), dyes, demulsifiers, metal deactivators, antifoam agents, cetane number, co-solvents, compatibilizing agents, other anti-wear additives than those of the present invention, etc.
- the other functional additive (s) may be chosen from:
- procetane additives for fuels of the diesel type, mention may be made of procetane additives, in particular (but not limited to) selected from alkyl nitrates, preferably 2-ethyl hexyl nitrate, aryl peroxides, preferably benzyl peroxide.
- alkyl peroxides preferably di-tert-butyl peroxide
- additives improving the octane number for fuels such as heating oil, heavy fuel oil, marine fuel, mention may be made of methylcyclopentadienyl manganese tricarbonyl (MMT); ⁇ anti-oxidant additives, such as aliphatic, aromatic amines, hindered phenols, such as BHT, BHQ;
- ⁇ anti-foam additives in particular (but not limited to) chosen, for example, from polysiloxanes, oxyalkylated polysiloxanes, and fatty acid amides derived from vegetable or animal oils; examples of such additives are given in EP 861 182, EP 663 000, EP 736 590;
- ⁇ anti-corrosion additives such as ammonium salts of carboxylic acids
- ⁇ chelating agents and / or metal sequestering agents such as triazoles, disalicylidene alkylene diamines, and especially ⁇ , ⁇ 'bis (salicylidene) propane diamine;
- ⁇ cold-holding additives and especially cloud-point-improving additives in particular (but not limited to) selected from the group consisting of long-chain olefin terpolymers / (meth) acrylic ester / maleimide, and ester polymers of fumaric / maleic acids.
- additives examples include EP 71 513, EP 100 248, FR 2 528 051, FR 2 528 051, FR 2 528 423, EP 1 12 195, EP 1 727 58, EP 271 385, EP 291367; anti-sedimentation additives and / or paraffin dispersants in particular (but not exclusively) chosen from the group consisting of (meth) acrylic acid / polyamine-amidated alkyl (meth) acrylate copolymers, polyamine alkenylsuccinimides, phthalamic acid and double chain fatty amine derivatives; alkyl phenol / aldehyde resins; examples of such additives are given in EP 261,959, EP 593,331, EP 674,689, EP 327,423, EP 512,889, EP 832,172; US 2005/0223631; US 5,998,530; WO 93/14178; polyfunctional cold operability additives chosen in particular in the group consisting of olef
- CFI additives such as EVA and / or EVP copolymers
- ⁇ metal passivators such as azoles, alkylated azole benzotides
- ⁇ acid neutralizers such as cyclic alkyl amines
- markers in particular markers imposed by the regulations, for example dyes specific to each type of fuel or fuel.
- lubricant additives especially (but not exclusively) selected from the group consisting of fatty acids and their ester or amide derivatives, in particular glycerol monooleate and mono- and polycyclic carboxylic acid derivatives; examples of such additives are given in the following documents: EP 680 506, EP 860 494, WO 98/04656, EP 915 944, FR 2 772 783, FR 2 772 784.
- Another subject of the present invention relates to high quality (bio) diesel fuel compositions containing at least one additive as defined in any one of claims 1 to 4 and at least 50 mass ppm of at least one compound. selected from deposit reducing agents, detergents, dispersants as described above.
- the deposition / detergent / dispersant reducer is chosen from substituted succinic acid anhydrides, especially polyisobutenyl succinic anhydrides, often referred to as PIBSA, in which the polyisobutylene group (also called polyisobutene) has a molecular mass of between 140 and 5000 and preferably between 500 and 2000 or preferably between 750 and 1250,
- the possible other additives are generally incorporated in amounts ranging from 50 to 1,500 ppm m / m, that is to say, mass ppm based on the total weight of the additive fuel.
- additives may be incorporated into the fuels according to any known method; for example, the additive or the mixture of additives may be incorporated in the form of a concentrate comprising the additive (s) and a solvent, compatible with the (bio) diesel fuel, the additive being dispersed or dissolved in the solvent.
- concentrates generally contain from 20 to 95% by weight of solvents.
- Solvents are organic solvents which generally contain hydrocarbon solvents.
- hydrocarbon solvents such as naphtha, kerosene, heating oil; aliphatic and / or aromatic aromatic hydrocarbons such as hexane, pentane, decane, pentadecane, toluene, xylene, and / or ethylbenzene and alkoxyalkanols such as 2-butoxyethanol and / or mixtures thereof.
- hydrocarbons such as commercial solvent mixtures such as, for example, Solvarex 10, Solvarex LN, Solvent Naphtha, Shellsol AB, Shellsol D, Solvesso 150, Solvesso 150 ND, Solvesso 200, Exxsol, ISOPAR and optionally polar dissolution adjuvants, such as 2-ethylhexanol, decanol, isodecanol and / or isotridecanol.
- the invention relates to the use of at least one additive composition according to the invention incorporated into a fuel of the diesel or biodiesel type of higher quality to improve the resistance to lacquering, ie fouling on the head and / or on the body. needles of the fuel injection system but also throughout the control system of the needle lift (valves) of the injection system, especially for engines with Euro 4 to Euro 6 fuel injection systems.
- the invention also relates to a method for improving lacquering resistance comprising the introduction of additives into a fuel of the (bio) diesel fuel type of higher quality, said additives comprising at least 50% by weight of monoester (s) and and / or diester (s) of polyglycerols, said polyglycerols having from 2 to 5 glycerol units per molecule, the ester units being derived from fatty acid (s), the fatty acid (s) optionally having one or more ethylenic unsaturations, and more than 50% by number of fatty chains comprising between 12 and 24 carbon atoms.
- additives comprising at least 50% by weight of monoester (s) and and / or diester (s) of polyglycerols, said polyglycerols having from 2 to 5 glycerol units per molecule, the ester units being derived from fatty acid (s), the fatty acid (s) optionally having one or more ethylenic unsaturations, and more than 50% by number
- the method for improving lacquering resistance according to the invention has the following characteristics:
- the additives comprise partial esters of diglycerol and / or triglycerol,
- the partial esters of diglycerol and / or triglycerol comprise at least 50% by weight of monoester and / or diester (s) of oleic acid and of diglycerol, and thus of mono-oleate (s) of diglycerol (DGMO) and / or diglycerol dioleate (DGDO) is at least 50% by weight of mono- and / or diester (s) of oleic acid and triglycerol, or at least 50% by weight of mono- and or diester (s) of oleic acid and diglycerol and / or triglycerol,
- DGMO diglycerol
- DGDO diglycerol dioleate
- the additives further comprise one or more other functional additives, such as deposition / dispersant reducers, antioxidants, combustion improvers, corrosion inhibitors, cold-holding additives (cloud point enhancer, speed sedimentation, filterability and / or cold flow), dyes, demulsifiers, metal deactivators, antifoaming agents, cetane improvers, co-solvents, compatibilizers, other lubricant additives, antiwear agents and / or friction modifiers, and optionally one or more solvents.
- functional additives such as deposition / dispersant reducers, antioxidants, combustion improvers, corrosion inhibitors, cold-holding additives (cloud point enhancer, speed sedimentation, filterability and / or cold flow), dyes, demulsifiers, metal deactivators, antifoaming agents, cetane improvers, co-solvents, compatibilizers, other lubricant additives, antiwear agents and / or friction modifiers, and optionally one or more solvents.
- the method for improving the lacquering resistance according to the invention also makes it possible to improve the wear resistance, in particular of the injectors, and the lubricity of (bio) diesel fuels having a sulfur less than or equal to 500 mass ppm.
- the method for improving lacquering resistance according to the invention makes it possible to avoid and / or reduce and / or delay:
- the inventors have also developed a new reliable and robust method for assessing the sensitivity of (bio) diesel fuels, particularly those of Superior quality, lacquering.
- This method unlike the methods described in the publications cited above, is not a laboratory method but is based on motor tests and is therefore of technical interest and makes it possible to quantify the effectiveness of the additives or compositions of additives against lacquering.
- the method of measuring lacquering developed by the inventors is detailed below:
- the engine used is a four-cylinder, 16-valve diesel engine with high-pressure common rail injection, with a displacement of 1,500 cm 3 and a power of 80 hp: the fuel injection pressure regulation is done in the high pressure of the pump.
- the power point is 40 hours at 4,000 rpm; the position of the injector in the chamber is lowered by 1 mm from its nominal position, which on the one hand promotes the release of thermal energy from combustion, and on the other hand brings the injector closer to the chamber of combustion.
- the injected fuel flow rate is adjusted to obtain an exhaust temperature of 750 ° C at the start of the test.
- the injection advance has been increased by 1.5 ° crankshaft compared to the nominal setting (we go from + 12.5 ° to + 14 ° crankshaft) always in order to increase the thermal stresses experienced by the nozzle of the injector.
- the injection pressure has been increased by 10 MPa compared to the nominal pressure (that is to say from 140 MPa to 150 MPa) and the temperature is regulated. at 65 ° C at the high pressure pump inlet.
- the first 20 hours are performed with a high quality B7 diesel (containing PIBSA detergent and an acid friction modifier) known for its tendency to generate lacquering. After 20h, two of the four injectors are disassembled and sides to validate the quantity of deposits that are present and two new injectors are then installed instead.
- a high quality B7 diesel containing PIBSA detergent and an acid friction modifier
- Lot 1 2 injectors having seen 20h of high quality fuel known for its tendency to generate lacquering.
- Lot 2 2 injectors having seen 20h of high quality fuel known for its tendency to generate lacquering + 20h of product to be evaluated.
- the characteristic temperatures of the various fluids make it possible to check the validity of the tests.
- the fuel is regulated at 65 ° C at the pump inlet
- the coolant is regulated at 90 ° C at the motor output.
- the flue gas values make it possible to control the ignition timing at the beginning of the test (target value of 3FSN) and to ensure that it is repeatable from one test to another.
- the injectors are disassembled at the end of the test to visualize and dimension the deposits formed along the needles.
- the procedure for quoting the selected hands is as follows:
- the scale of the notes varies from -2.5 (case of a large deposit) to 10 (case of a new needle without any deposit).
- the final grade is a weighted average of the scores on all the rated surfaces of the needle
- One of the additives according to the invention prepared in Example 1 is incorporated in a diesel fuel and the lubricating power of the fuel additive is measured according to the HFRR method described in the ASTM 12156-1 standard.
- the diesel fuel used in this example is a "biofree" B0 fuel without lubricity additive, containing less than 10 ppm / m of sulfur, the aromatic character of which is not very pronounced (22% m / m) and the relatively high density. low (821, 9 g / L).
- a "biofree" B0 diesel with no lubricating additive containing less than 10 ppm / m sulfur and having a low aromatic character (22% m / m) and a relatively low density (821.9 g) / L)
- a single lubricant additive DGMO, MGMO or TOFA
- TOFA additive known lubricants
- the lubricity of the product is measured according to the HFRR method described in ASTM 12156-1. AT.
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1251512A FR2987052B1 (fr) | 2012-02-17 | 2012-02-17 | Additifs ameliorant la resistance a l'usure et au lacquering de carburants de type gazole ou biogazole |
PCT/EP2013/053049 WO2013120985A1 (fr) | 2012-02-17 | 2013-02-15 | Additifs ameliorant la resistance a l'usure et au lacquering de carburants de type gazole ou biogazole |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2814917A1 true EP2814917A1 (fr) | 2014-12-24 |
EP2814917B1 EP2814917B1 (fr) | 2020-04-01 |
Family
ID=47714126
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13704128.1A Active EP2814917B1 (fr) | 2012-02-17 | 2013-02-15 | Additifs ameliorant la resistance a l'usure et au lacquering de carburants de type gazole ou biogazole |
Country Status (11)
Country | Link |
---|---|
US (1) | US9587193B2 (fr) |
EP (1) | EP2814917B1 (fr) |
CN (1) | CN104395440B (fr) |
AR (1) | AR090075A1 (fr) |
BR (1) | BR112014020223A8 (fr) |
EA (1) | EA030317B1 (fr) |
FR (1) | FR2987052B1 (fr) |
IN (1) | IN2014DN06578A (fr) |
PH (1) | PH12014501684A1 (fr) |
TW (1) | TWI580772B (fr) |
WO (1) | WO2013120985A1 (fr) |
Families Citing this family (8)
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FR3017876B1 (fr) * | 2014-02-24 | 2016-03-11 | Total Marketing Services | Composition d'additifs et carburant de performance comprenant une telle composition |
FR3017875B1 (fr) * | 2014-02-24 | 2016-03-11 | Total Marketing Services | Composition d'additifs et carburant de performance comprenant une telle composition |
GB201505418D0 (en) * | 2015-03-30 | 2015-05-13 | Dupont Nutrition Biosci Aps | Composition |
FR3054225B1 (fr) * | 2016-07-21 | 2019-12-27 | Total Marketing Services | Copolymere utilisable comme additif detergent pour carburant |
DK3529338T3 (da) * | 2016-10-21 | 2023-09-25 | Totalenergies Onetech | Additivkombination til brændstof |
US11008525B2 (en) | 2017-03-22 | 2021-05-18 | Sabic Global Technologies B.V. | Octane-boosting fuel additives, method of manufacture, and uses thereof |
US10829706B2 (en) | 2017-07-19 | 2020-11-10 | Sabic Global Technologies B.V. | Cetane-boosting fuel additives, method of manufacture, and uses thereof |
CN110903869A (zh) * | 2019-12-11 | 2020-03-24 | 连云港爱华能源科技发展有限公司 | 一种节油减排式柴油添加剂及其制备方法 |
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-
2012
- 2012-02-17 FR FR1251512A patent/FR2987052B1/fr not_active Expired - Fee Related
-
2013
- 2013-02-15 AR ARP130100488A patent/AR090075A1/es unknown
- 2013-02-15 WO PCT/EP2013/053049 patent/WO2013120985A1/fr active Application Filing
- 2013-02-15 CN CN201380009840.8A patent/CN104395440B/zh not_active Expired - Fee Related
- 2013-02-15 US US14/378,384 patent/US9587193B2/en not_active Expired - Fee Related
- 2013-02-15 IN IN6578DEN2014 patent/IN2014DN06578A/en unknown
- 2013-02-15 EP EP13704128.1A patent/EP2814917B1/fr active Active
- 2013-02-15 EA EA201491383A patent/EA030317B1/ru not_active IP Right Cessation
- 2013-02-15 BR BR112014020223A patent/BR112014020223A8/pt not_active Application Discontinuation
- 2013-02-18 TW TW102105479A patent/TWI580772B/zh not_active IP Right Cessation
-
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- 2014-07-24 PH PH12014501684A patent/PH12014501684A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN104395440A (zh) | 2015-03-04 |
TWI580772B (zh) | 2017-05-01 |
WO2013120985A1 (fr) | 2013-08-22 |
BR112014020223A8 (pt) | 2017-07-11 |
FR2987052B1 (fr) | 2014-09-12 |
EA201491383A1 (ru) | 2014-12-30 |
PH12014501684B1 (en) | 2014-11-10 |
BR112014020223A2 (fr) | 2017-06-20 |
EP2814917B1 (fr) | 2020-04-01 |
PH12014501684A1 (en) | 2014-11-10 |
AR090075A1 (es) | 2014-10-15 |
EA030317B1 (ru) | 2018-07-31 |
TW201348430A (zh) | 2013-12-01 |
IN2014DN06578A (fr) | 2015-05-22 |
US9587193B2 (en) | 2017-03-07 |
FR2987052A1 (fr) | 2013-08-23 |
CN104395440B (zh) | 2016-03-23 |
US20160024411A1 (en) | 2016-01-28 |
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