EP0530094B1 - Esterprodukte und Detergenz-Dispergiermittel enthaltende Brennstoffzusätze-Formulierung - Google Patents
Esterprodukte und Detergenz-Dispergiermittel enthaltende Brennstoffzusätze-Formulierung Download PDFInfo
- Publication number
- EP0530094B1 EP0530094B1 EP92402335A EP92402335A EP0530094B1 EP 0530094 B1 EP0530094 B1 EP 0530094B1 EP 92402335 A EP92402335 A EP 92402335A EP 92402335 A EP92402335 A EP 92402335A EP 0530094 B1 EP0530094 B1 EP 0530094B1
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- EP
- European Patent Office
- Prior art keywords
- approximately
- constituent
- fuel
- group
- 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.)
- Expired - Lifetime
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- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000002636 imidazolinyl group Chemical group 0.000 description 1
- 150000002466 imines Chemical group 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002611 lead compounds Chemical class 0.000 description 1
- 235000020778 linoleic acid Nutrition 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- CURJNMSGPBXOGK-UHFFFAOYSA-N n',n'-di(propan-2-yl)ethane-1,2-diamine Chemical compound CC(C)N(C(C)C)CCN CURJNMSGPBXOGK-UHFFFAOYSA-N 0.000 description 1
- UDGSVBYJWHOHNN-UHFFFAOYSA-N n',n'-diethylethane-1,2-diamine Chemical compound CCN(CC)CCN UDGSVBYJWHOHNN-UHFFFAOYSA-N 0.000 description 1
- QOHMWDJIBGVPIF-UHFFFAOYSA-N n',n'-diethylpropane-1,3-diamine Chemical compound CCN(CC)CCCN QOHMWDJIBGVPIF-UHFFFAOYSA-N 0.000 description 1
- IZGYOVCEBSTCGV-UHFFFAOYSA-N n',n'-dihexadecylpropane-1,3-diamine Chemical compound CCCCCCCCCCCCCCCCN(CCCN)CCCCCCCCCCCCCCCC IZGYOVCEBSTCGV-UHFFFAOYSA-N 0.000 description 1
- FDBKCXQMGWOXCF-UHFFFAOYSA-N n',n'-dioctadecylpropane-1,3-diamine Chemical compound CCCCCCCCCCCCCCCCCCN(CCCN)CCCCCCCCCCCCCCCCCC FDBKCXQMGWOXCF-UHFFFAOYSA-N 0.000 description 1
- HRWWZALMBMPXTI-UHFFFAOYSA-N n'-(3-decoxypropyl)propane-1,3-diamine Chemical compound CCCCCCCCCCOCCCNCCCN HRWWZALMBMPXTI-UHFFFAOYSA-N 0.000 description 1
- PLVXZTCCPYSWNN-UHFFFAOYSA-N n'-(3-octoxypropyl)propane-1,3-diamine Chemical compound CCCCCCCCOCCCNCCCN PLVXZTCCPYSWNN-UHFFFAOYSA-N 0.000 description 1
- DUWWHGPELOTTOE-UHFFFAOYSA-N n-(5-chloro-2,4-dimethoxyphenyl)-3-oxobutanamide Chemical compound COC1=CC(OC)=C(NC(=O)CC(C)=O)C=C1Cl DUWWHGPELOTTOE-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- CNVZJPUDSLNTQU-OUKQBFOZSA-N petroselaidic acid Chemical compound CCCCCCCCCCC\C=C\CCCCC(O)=O CNVZJPUDSLNTQU-OUKQBFOZSA-N 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000001448 refractive index detection Methods 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical group O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
-
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/146—Macromolecular compounds according to different macromolecular groups, mixtures thereof
-
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/16—Hydrocarbons
- C10L1/1616—Hydrocarbons fractions, e.g. lubricants, solvents, naphta, bitumen, tars, terpentine
-
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/18—Organic compounds containing oxygen
- C10L1/192—Macromolecular compounds
- C10L1/198—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
- 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
-
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/232—Organic compounds containing nitrogen containing nitrogen in a heterocyclic ring
-
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
-
- 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
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
Definitions
- the present invention relates to additive formulations, in particular for fuels, comprising products with an ester function and a detergent-dispersant. These formulations can be used as multifunctional additives for fuels and in particular for fuels used in spark ignition engines.
- the accumulation of these deposits in the combustion chambers can lead to a reduction in the volume of the combustion zone, which then results in an increase in the compression ratio of the engine. This phenomenon also promotes the appearance of rattling.
- the deposits which form in the various parts of the engine in contact with the fuel can partially absorb a part of this fuel, thus contributing to a modification of the oxidizer-fuel mixture with a fuel depletion phase during absorption and an enrichment phase in the event of a desorption of this fuel. The modification of the richness of the fuel-air mixture no longer allows the engine to work in optimal conditions.
- the accumulation of deposits in the engines and in particular on the intake valves can also be reduced by the use of fuels containing certain additives, for example detergent-type additives possibly combined for example with anticorrosion or anti-deposit additives for rooms combustion.
- fuels containing certain additives for example detergent-type additives possibly combined for example with anticorrosion or anti-deposit additives for rooms combustion.
- Additives well known in the trade, for example those of the polyisobuteneamine type, are usually associated with a mineral or synthetic oil and are capable of causing increased fouling of the combustion chambers and therefore an increase in the octane requirement of the engine with greater sensitivity to the rattling phenomenon.
- Contamination of the combustion chambers occurs gradually during engine operation.
- the latter is characterized by its octane requirement which corresponds to the minimum octane level of fuel necessary for the engine in order to operate without rattling.
- the value of the engine octane requirement exceeds, in particular as a result of fouling of the combustion chambers, the value of the octane number of the fuel used to supply this engine, the rattling phenomenon is observed.
- the increase in engine octane requirements conventionally constitutes, for those skilled in the art, the ORI phenomenon according to the Anglo-Saxon abbreviation of "Octane Requirement Increase".
- Belgian patent BE 811678 describes fuel compositions containing a lubricant in the form of an ester and in particular of an ester of diacids and of alcohol or diols.
- diols are polyoxyalkylene glycols.
- the preferred diacids which can be used according to this application include adipic acid, azelaic acid and sebacic acid.
- US-A-3429817 describes lubricating compositions containing synthetic esters resulting from the reaction of 2 moles of a glycol having 2 to 5 carbon atoms and a diacid whose carboxylic groups are separated from one other by at least 9 carbon atoms.
- US-A-3836470 describes lubricant compositions and fuel compositions containing a dispersing additive resulting in particular from the reaction of a succinic acid, comprising a hydrocarbon side chain and having at least 30 carbon atoms in its molecule, on at least one polyoxyalkylene glycol or one polyoxyalkylene glycol ether. Mention may also be made of the compositions such as those described for example in patent application EP-A-327097 which have good anti-ORI properties and good detergent properties at the intake valve level, but detergent properties at the level of the relatively limited single point injector. Furthermore, these compositions are not described as having good anticorrosion properties.
- formulations as described below, which can be used in particular as multifunctional additives for engine fuels, in particular for fuels used in spark-ignition engines.
- the formulations of the present invention have excellent detergent properties at the intake valves and the carburetor, and have very good anticorrosion properties.
- corrected acid number (IAc) acid number x Molecular weight monoether of polyoxyalkylene glycol.
- formulations according to the present invention can be used in particular as additives in the fuels used in spark-ignition engines in which they make it possible in particular to limit the increase in octane requirement (ORI) of these engines and therefore to limit, to delay or even to avoid, the appearance of the rattling phenomenon.
- ORI octane requirement
- These formulations also have an anti-corrosion action which can be observed both with the fuels used in spark ignition engines and in those used in auto ignition engines (Diesel engine).
- These fuels can also contain other additives, such as for example, in particular in the case of fuels used for spark-ignition engines, anti-knock additives such as lead compounds (for example tetraethyl lead), ethers such as methyltertiobutylether or methyltertioamylether or a mixture of methanol and tert-butyl alcohol and anti-icing additives.
- anti-knock additives such as lead compounds (for example tetraethyl lead), ethers such as methyltertiobutylether or methyltertioamylether or a mixture of methanol and tert-butyl alcohol and anti-icing additives.
- a non-hydrocarbon fuel such as for example
- the constituent (A) of the formulations of the invention may result from the reaction of maleic anhydride with at least one compound (E) under conventional conditions well known to those skilled in the art of product formation comprising ester functions.
- the preferred component (A) according to the present invention is obtained by carrying out the reaction at a temperature usually from about 120 ° C to about 200 ° C, and for a time sufficient for the products obtained to have an acid number preferred answer from about 4000 to about 25000.
- R 1 represents a linear or branched alkyl group, in which n is a number from 5 to 50.
- polyxyalkylene glycols mention may be made of alkyl monoethers of glycol or of polyxyalkylene glycols such as alkyl monoethers of polypropylene glycol, alkyl monoethers of polyethylene glycol and alkyl monoethers of polypropylene glycol and ethylene glycol.
- the alkyl group of these products most often contains at least 3 carbon atoms and is most often linear.
- These oxyalkylated products are commercial products sold by the company SHELL under the generic name OXYLUBE or by the company ICI.
- These compounds usually have a molecular mass of approximately 500 to approximately 2500 and most often of approximately 600 to approximately 2000.
- the mixtures (B1) of polyisobutenes and polyisobutene-amines can comprise a majority proportion of polyisobutene-ethylene diamine and a minority proportion of polyisobutene. These mixtures are most often used dissolved in a hydrocarbon solvent so as to facilitate their incorporation into the fuel.
- the proportion of amino polymer within these blends is usually from about 50% to 80% by weight and for example from about 60% by weight and the proportion of hydrocarbon polymer is usually from about 5% to about 30% by weight. weight and preferably from about 10% to about 25% by weight.
- Polyisobutene ethylene diamine is a compound of general formula: in which z is a number from approximately 10 to approximately 40, preferably from approximately 30 to approximately 35 and for example approximately 33.
- Polyisobutene is a compound of general formula: in which t is a number from approximately 10 to approximately 40, preferably from approximately 30 to approximately 35 and for example approximately 33.
- the solvent used to dissolve the polymeric compounds and facilitate their incorporation into the fuel is most often a light aromatic distillate.
- ORONITE OGA-472 is a composition comprising approximately 60% by weight of polyisobutene-ethylene diamine, approximately 27% by weight of polyisobutene and approximately 13% by weight of light aromatic distillate comprising xylene and C 9 alkylbenzenes.
- the succinic acid or anhydride used usually has a number average molecular weight of about 200 to 3000, preferably 500 to 2000 and most often 700 to 1500.
- These succinic derivatives are widely described in the prior art; they are for example obtained by the action of at least one alpha olefin or of a chlorinated hydrocarbon on maleic acid or anhydride.
- the alpha olefin or the chlorinated hydrocarbon used in this synthesis can be linear or branched, and usually contain from 10 to 150 carbon atoms, preferably from 15 to 80 carbon atoms and most often from 20 to 75 carbon atoms in their molecule.
- This olefin can also be an oligomer, for example a dimer, a trimer or a tetramer, or a polymer of a lower olefin, for example having 2 to 10 carbon atoms, such as ethylene, propylene, n-butene-I, isobutene , n-hexene-I, n-octene-I, methyl-2-heptene-1 or methyl-2-propyl-5-hexene-1. It is possible to use mixtures of olefins or mixtures of chlorinated hydrocarbons.
- succinic anhydrides used to prepare component (B) there may be mentioned n-octadecenylsuccinic anhydride, dodecenylsuccinic anhydride and polyisobutenyl succinic anhydrides, often called PIBSA, having a number-average molecular mass such as defined above.
- 1- (2-hydroxyethyl-imidazolines substituted in position 2 by an alkyl or alkenyl radical having from 1 to 25 carbon atoms are usually commercial compounds or which can be synthesized for example by reaction of at least one organic acid with the N- (2-hydroxyethyl) -ethylenediamine The reaction proceeds by a first step of amidification followed by cyclization
- the organic acids used usually have from 2 to 26 carbon atoms, they are preferably aliphatic monocarboxylic acids.
- the first stage of preparation of component (B2) according to the invention is usually carried out by progressive addition of the imidazoline derivative to a solution of the succinic derivative in an organic solvent, at ordinary temperature, then heating to a temperature usually between 65 ° C and 250 ° C and preferably between 80 ° C and 200 ° C.
- the organic solvent used in this preparation has a boiling point between 65 ° C and 250 ° C and is usually chosen so as to be able to allow the elimination of the water formed during the condensation of imidazoline on the derivative succinic, preferably in the form of a water-organic solvent azeotrope.
- An organic solvent will usually be used such as for example benzene, toluene, xylenes, ethylbenzene or a hydrocarbon cut such as for example the commercial cut SOLVESSO 150 (190-209 ° C) containing 99% by weight of aromatic compounds. It is possible to use mixtures of solvents, for example a mixture of xylenes.
- the duration of heating after the end of the addition of imidazoline is usually 0.5 to 7 hours, preferably 1 to 5 hours. This first step will preferably be continued at the chosen temperature until the end of the evolution of the water formed during the reaction.
- the amount of water removed during this first step is usually about 0.15 to 0.6 moles and most often about 0.5 moles per mole of imidazoline involved in the reaction.
- At least one polyamine, preferably diluted in an organic solvent is gradually added to the product or mixture resulting from this first step, after optional cooling, and then usually heated to a temperature between 65 ° C. and 250 ° C. and preferably between 80 ° C and 200 ° C.
- the solvent used in the second step is preferably the same as that in the first step and the temperature is also the same during these two steps.
- the reactions are usually carried out at a temperature corresponding to the reflux temperature.
- the duration of this heating during this second step is usually 0.1 to 7 hours and preferably 0.2 to 5 hours.
- the amount of polyamine used is at least 0.1 mole per mole of succinic anhydride introduced during the first step and it is preferably such that the total amount of imidazoline substituted and of polyamine used in the preparation is 0.8 to 1.2 moles, preferably 0.9 to 1.1 moles per mole of succinic derivative.
- the substituted imidazoline to polyamine molar ratio is preferably from 1: 1 to 7: 1 and most preferably from 1: 1 to 3: 1.
- the amount of water removed during this second step is usually such that the amount of total water removed during the two successive reactions represents from 0.2 to 0.7 mole per mole of succinic derivative.
- the polyamines of formula (III) are preferably those in which R 3 is a hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms, Z is preferably a group -NR 5 - in which R 5 represents preferably a hydrogen atom or a hydrocarbon group having from 1 to 30 carbon atoms, each of R 4 independently represents preferably a hydrogen atom or a methyl group, p is an integer from 2 to 4 and when Z is a group -NR 5 - m is preferably an integer from 1 to 5.
- Z is -NR 5 -, R 3 , R 4 and R 5 each represent a hydrogen atom, p is equal to 2 and m is a number integer from 1 to 5 or those in which R 3 represents a hydrocarbon group preferably having from 5 to 24 carbon atoms, Z represents a group -NR 5 - in which R 5 is a hydrogen atom, R 4 represents an atom of hydrogen, p is an integer from 2 to 4, preferably 3, and m is an integer from 1 to 5, preferably 1.
- the hydrocarbon groups R 3 and R 5 are usually alkyl, alkenyl, linear or branched, aryl, aryl-alkyl (aralkyl), alkyl-aryl (alkaryl) or cycloaliphatic groups.
- the groups R 3 and R 5 are preferably alkyl groups or alkenyls, linear or branched.
- the hydrocarbon group R 4 is usually a preferably linear alkyl group, for example methyl, ethyl, n-propyl or n-butyl.
- N-alkyl diamino-propane for example N-dodecyldiamino-1,3 propane, N-tetradecyldiamino-1,3 propane, N-hexadecyldiamino-1,3 propane, N -octadécyldiamino-1,3 propane, N-éicosyldiamino-1,3 propane and N-docosyldiamino-1,3 propane; mention may also be made of N-alkyldipropylene triamines, for example N-hexadecyldipropylene triamine, N-o
- disubstituted diamines N, N there may be mentioned N, N-diethyl-1,2-diamino ethane, N, N-diisopropyl-1,2-diamino ethane, N, N-dibutyl diamino-1, 2 ethane, N, N-1,4-diethyl diamino-butane, N, N-dimethyl-1,3-diamino propane, N, N-diethyl-1,3-diamino propane, N, N-dioctyl diamino- 1,3 propane, N, N-didécyl diamino-1,3 propane, N, N-didodécyl diamino-1,3 propane, N, N-dissetradécyl diamino-1,3 propane, N, N-dihexadécyl 1,3-diamino propane, N, N-dioctadec
- etheramines examples include N- (3-octyloxy-propyl) 1,3-diamino propane, N- (3-decyloxy-propyl) 1,3-diamino propane, N- [(trimethyl- 2,4,6 decyl) 3-oxy propyl] diamino-1,3 propane.
- the polyamines of formulas (IV) are preferably those in which R 3 and R 5 each represent a hydrogen atom, D, E, F and G, identical or different, each represent an alkylene group having from 2 to 4 atoms carbon for example ethylene, trimethylene, methylethylene, tetramethylene, methyltrimethylene, 1-methyltrimethylene and 2-methyltrimethylene, a is an integer from 1 to 60 and b and c are equal to zero or a is an integer from 1 to 59 , c is zero or an integer such that the sum a + c is from 1 to 59 and b is an integer from 1 to 50, with in each case the sum a + b + c equal to an integer from 1 to 60.
- the reaction carried out under conditions of formation and elimination of the reaction water is most often carried out at a temperature of approximately 120 ° C. to approximately 200 ° C. with an amine to succinic derivative molar ratio of approximately 0.9: 1 to approximately 1.2: 1.
- This reaction can be carried out in the absence of solvent or in the presence of a solvent such as for example an aromatic hydrocarbon or a cut of hydrocarbons having a boiling point of approximately 70 ° C to approximately 250 ° C.
- the constituent (C) is a polyglycol, having a polydispersity index of approximately 1 to approximately 1.25 and preferably from about 1 to 1.15, of general formula (V) in which each of the groups R independently represents an alkylene group, linear or branched, having from 2 to 4 carbon atoms, preferably a group ethylene or propylene.
- each of the groups R represents a propylene group of formula: CH 3 -CH-CH 2 -
- the polyglycol used is preferably a polyglycol of average molecular mass in numbers from 600 to 1800 and most often from 650 to 1250.
- mineral or synthetic lubricating oils which can be used as constituent (C)
- mineral oils the oil 600 NS, the main characteristics of which will be given below
- synthetic lubricating oils ethers and polyol esters and in particular polyoxyalkylene glycol ethers there may be mentioned by way of nonlimiting example for mineral oils the oil 600 NS, the main characteristics of which will be given below, and for the synthetic lubricating oils ethers and polyol esters and in particular polyoxyalkylene glycol ethers.
- the formulations according to the invention are in particular usable as an additive having good anti-corrosion activity for a fuel based on hydrocarbons or on a mixture of hydrocarbons and at least one oxygenated compound chosen from the group formed by alcohols and ethers.
- These formulations can also be used as a multifunctional additive having in particular good anti-ORI and detergent-dispersant properties for an engine fuel, for a spark-ignition engine, based on hydrocarbons or a mixture of hydrocarbons and at least minus an oxygenated compound chosen from the group formed by alcohols and ethers.
- these formulations are added to the fuel so as to obtain a mass concentration, of the additive composition in the engine fuel, of 10 to 10,000 ppm and most often of 100 to 2000 ppm.
- the weight ratio of component (A) to component (B) [(A) / (B)] is usually from about 0.05: 1 to about 2: 1 and preferably from about 0.1: 1 to about 1: 1.
- the weight ratio of constituent (B) to constituent (C) [(B) / (C)] is usually from about 0.1: 1 to about 5: 1 and preferably from about 0.2: 1 to about 2: 1.
- the infrared spectrum shows two absorption bands (1740 cm -1 and 1650 cm -1 ) characteristic of the ester function on the one hand and of the residual unsaturation of the final product.
- Analysis by gel permeation chromatography shows that the product has a weight-average molecular weight of approximately 4,000.
- the acid number evaluated according to AFNOR T 60112 standard and corrected for molecular weight (IAc) is 18,000.
- PIBSA polyisobutenyl succinic anhydride
- polyisobutene polyisobutene of average molecular mass number 920
- maleic anhydride the assay of the anhydride functions of this product shows that one has 0, 7 anhydride function per theoretical mole of PIBSA
- 1018 g of xylene are loaded into a 2-liter reactor equipped with mechanical stirring, a Dean-Stark separator and a temperature regulation system.
- the reactor temperature is lowered to 50 ° C. and then maintained at this value during the time of the gradual addition (dropwise) of 56 g (0.297 mole) of tetraethylenepentamine diluted in 49 g of xylene. At the end of this addition the mixture is again brought to reflux for 15 minutes. Water elimination again occurs. The total amount of water collected during these two reaction stages is 7.2 ml.
- the infrared spectrum shows two absorption bands (1710 cm -1 and 1770 cm -1 ) characteristic of the succinimide function with a shoulder ( 1740 cm -1 ) characteristic of the ester function.
- compositions F1 to F5 comprising various weight quantities of the constituents (A), (B) and (C) defined below.
- Component (A) is formed by one of the compositions obtained in Examples 1 and 2.
- the constituent (B) is formed by the composition obtained in Example 3 or by a composition of the polymeric type and, preferably, that of the polyisobutene-ethylene-diamine and polyisobutene type such as one of those described in the documents.
- constituent (B) will be designated below by the initials PBA; this constituent is then the composition sold by the company CHEVRON CHEMICAL under the name ORONITE OGA -472 comprising approximately 60 parts by weight of polyisobutene-ethylene diamine, 13 parts by weight of polyisobutene and 27 parts by weight of a light aromatic distillate comprising xylene and alkylbenzenes having 9 carbon atoms in their molecule.
- the formulation F1 according to the present invention contains the constituent (A) formed by the composition obtained in Example 1, the constituent (B) formed by the composition obtained in Example 3 and the constituent (C) formed by the polypropylene glycol described above. These constituents are used in a weight ratio, in terms of active material, A: B: C of 1: 5: 5.
- the formulation F2 (comparison formulation) contains the constituent (B) formed by the composition obtained in Example 3 as well as the constituent (C) formed by the polypropylene glycol described above, but no constituent (A).
- the formulation F3 (comparison formulation) contains the constituent (B) designated by the initials PBA as well as the constituent (C) formed by the mineral oil 600 NS in a weight ratio of active material B: C of 1: 3.
- the formulation F4 according to the present invention contains the constituent (A) formed by the composition obtained in Example 1, the constituent (B) designated by the initials PBA and the constituent (C) formed by the mineral oil 600 NS, in a weight ratio of active ingredient A: B: C of 1: 2: 6.
- the formulation F5 according to the present invention contains the constituent (A) formed by the composition obtained in Example 2, the constituent (B) formed by the composition obtained in Example 3 and the constituent (C) formed by the polypropylene glycol, in a weight ratio of active ingredient A: B: C of 1: 5: 5.
- the duration of each test is 200 hours.
- the engine is conditioned with new valves and the combustion chambers are free of any deposits.
- the octane requirements of each cylinder are then determined at the start of the test as follows: the richness of the air-fuel mixture admitted is adjusted to the manufacturer's reference value for the measurement regime considered (2,000 rpm) / min and 3,500 rpm).
- the octane requirement of each cylinder is successively determined by supplying them with reference fuels made up of mixtures of isooctane and n-heptane.
- the value of the octane requirement of a cylinder corresponds to the octane number of the reference fuel which shows the knock phenomenon.
- the cyclic procedure described above is then applied by supplying the engine with test fuel containing or not containing additive.
- a new measurement of the octane requirements of each cylinder is carried out as above.
- the average of the differences calculated between the octane requirement at the end of the test and the octane requirement at the start of the test for each cylinder constitutes, for the measurement regime considered, the value of the increase in octane requirement (ORI).
- This fuel with an engine octane rating of 86 and a research octane rating of 99, has an initial distillation point of 34 ° C and a final distillation point of 185 ° C.
- compositions are added to the fuel so as to obtain a concentration, by weight of the active material in the additive fuel specified for each example in Table III below which gives the results obtained: TABLE III ADDITIVE FUEL ADDITIVE QUANTITY ORI AT THE END OF THE TEST ORD IN RELATION TO FUEL ONLY 2000 rpm 3500 rpm 2000 rpm 3500 rpm * Fuel only 0 ppm 3.8 5.0 Fuel + Formula F1 660 ppm 1.6 3.5 2.2 1.5 Fuel + Formula F5 660 ppm 3.1 2.0 0.7 3.0 * Fuel + Formula F2 660 ppm 3.7 4.3 0.1 0.7 * Comparison
- the “carburetor” detergency properties of the formulations F1 and F2 prepared in Example 4 are evaluated.
- the engine test procedure is carried out according to European standard R5-CEC-F03-T-81.
- the results are expressed in terms of merit from zero to ten.
- a merit 10 corresponds to a clean carburetor and a merit 0 to a very dirty carburetor.
- the fuel used in these assessments is an unleaded premium fuel with an engine octane rating of 85.3 and a research octane rating of 96.7.
- This premium fuel has an initial distillation point of 36 ° C and a final distillation point of 203 ° C.
- This engine octane fuel of 86 and research octane fuel of 96 has an initial distillation point of 31 ° C and a final distillation point of 202 ° C.
- the engine test procedure is carried out by following the IFP-TAE I 87 method established by the French Petroleum Institute as described below.
- the flow rate of each injector is measured at the start and end of the test in order to assess the percentage of flow restriction induced by fouling of the injectors.
- This engine octane fuel of 85.7 and research octane of 97.5 has an initial distillation point of 33 ° C and a final distillation point of 197 ° C.
- the tests are carried out on a Hyundai generator equipped with a generator (240 Volt, 5500 Watt) driven by a twin-cylinder engine of 359 cm 3 with 4 times and tumbled valves.
- the engine is conditioned with new valves that are weighed.
- the valves are dismantled, washed with hexane, dried, then weighed after physical removal (by scraping) of the deposits formed on the valve on the combustion chamber side.
- the results presented below give the average of the deposits by weight relative to a valve, calculated from the weight of deposits measured, on the tulip of each intake valve, by difference between the weight of said new valve and the weight of said valve at the end of each test after removal of deposits on the combustion chamber side.
- the fuel used in these assessments is an unleaded premium fuel identical to that described in Example 5.
- Formulations F1 to F4 prepared in Example 4 are evaluated. The tests consist in determining the extent of the corrosion produced on samples of polished ordinary steel, in the presence of water, following the modified ASTM D 665 standard (temperature 32.2 ° C, duration 20 hours).
- the results are expressed as a percentage (%) of the surface of the corroded test piece after 20 hours.
- the fuel is the same as that used in Example 5.
- compositions used in a diesel fuel also have anti-corrosion properties.
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Liquid Carbonaceous Fuels (AREA)
- Detergent Compositions (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
Claims (9)
- Zusätzeformulierung, insbesondere für Brennstoffe, dadurch gekennzeichnet, daß sie mindestens eine Komponente (A) und eine Komponente (B) beinhaltet, wobei die besagte Komponente (A) aus mindestens einer Zusammensetzung besteht, die die Produkte enthält, die aus der Reaktion vom Maleinsäureanhydrid mit mindestens einem Glykol- oder einem Polyoxyalkylenglykolmonoether (E) mit einer molaren Masse von 500 bis 2 500 bervorgehen, gemäß der Summenformel (I)
(I) R1 -O- (R2-O)n - H
in der R1 eine Alkyl-, eine Aryl-, eine Arylalkyl- oder eine Alkylarylgruppe mit 1 bis 30 Kohlenstoffatomen darstellt und R2 eine Alkylengruppe mit 2 bis 5 Kohlenstoffatomen mit der Summenformel (II) ist:
(II) -CH2-CR3H-
in der R3 ein Wasserstoffatom, eine Methylgruppe, eine Ethylgruppe oder eine Propylgruppe darstellt, n eine Zahl zwischen 1 und 60 ist, wobei die besagte Reaktion bei einer Temperatur von circa 100° C bis etwa 210° C und bei einem Molverhältnis zwischen der Komponente (E) und dem Maleinsäureanhydrid von circa 1,5 : 1 bis etwa 5 : 1 so lange durchgeführt wird, bis die erhaltenen Produkte einem korrigierten Säurewert von circa 3 000 bis etwa 30 000 aufweisen, wobei die besagte Komponente (B) aus mindestens einem Detergens-Dispergiermittel besteht, das in der Gruppe gewälht wurde, die sich folgendermaßen zusammensetzt1) Mischungen aus Polyisobutenen und Polyisobuterraminen,2) Produkte aus der Reaktion in einer ersten Phase von mindestens einem Bernsteisaurederivat aus der Gruppe der Alkenylbernsteinsäure- oder der Polyalkenylbernsteisäureanhydride mit einer durchschnittlichen molaren Masse von 200 bis 3 000 mit mindestens einem 1-(2-Hydroxy-Ethyl-)imidazolin, das in der Position 2 durch ein geradketriges oder ein verzweigtes Alkyl- oder Alkenylradikal mit 1 bis 25 Kohlenstoffatomen ersetzt wird, wobei das Molverhältnis zwischen dem Imidazolin und dem Bersteinsäurederivat zwischen 0,1 · 1 und 0,9 .1 beträgt; die besagte Phase wird unter solchen Bedingungen durchgeführt, daß mindestens 0,15 Mol Wasser pro Mol des eingesetzten Imidazolins entsteht und entfernt wird; und in einer zweiten Phase aus der Reaktion des aus der ersten Phase stammenden Produktes mit mindestens einem Polyamin, das einer der folgenden Summenformeln entspricht;3) Produkte, die unter Bedingungen, die die Entstehung und Entfernung des Reaktionswassers ermoglichen, aus der Reaktion von mindestens einem Bernsteinsäurederivat, das in der Gruppe der sauren und anhydrischen Alkenylbersteinsäuren, der sauren und anhydrischen Polyalkenylbersteinsäuren ausgesucht wird, mit mindestens einem Amin nach der Summenformel (III) bervorgehen,wobei die besagte Formulierung mindestens auch noch eine Komponente (C) beinhaltet, die in der Gruppe der in dem besagten Brennstofflöslichen anorganischen oder synthetischen Schmieröle und Polyglykole ausgesucht wird, die eine durchschnittliche molare Masse von 480 bis 2 100 aufweist und der Summenformel (V) entspricht:
(V) HO-R-(-O-R-)x-O-R-OH
in der jede einzelne R-Gruppe eine teerhaltige Gruppe mit 2 bis 6 Kohlenstoffalomen darstellt, und x das durchschnittliche Polymerisationsgrad ist. - Formulierung nach Anspruch 1, in der die Komponente B unter der Gruppe ausgesucht wird, die aus den Produkten besteht, die in einer ersten Phase aus der Reaktion von mindestens einem Bernsteinsäurederivat aus der Gruppe der Alkenylbernsteinsäure- und der Polyalkenylbernsteinsaureanhydride mit einer durchschnittlichen molaren Masse von 200 bis 3 000 mit mindestens einem 1-(2-Hydroxy-Ethyl-)imidazolin, das in der Position 2 erstzt wird, die in der Gruppe des 1-(2-Hydroxyethyl)-2-Heptadecenylimidazolins und des 1-(2-Hydroxyethyl)-2-Methylimidazoline ausgesucht wird, entstehen; und in einer zweiten Phase aus der Reaktion des aus der ersten Reaktion stammenden Produktes mit mindestens einem Polyamin mit der Summenformel (III).
- Formulierung nach Anspruch 1, in der die Komponente Bin der Gruppe der Produkte ausgesucht wird, die in einer ersten Phase aus der Reaktion von mindestens einem Bernsteinsäurederivat aus der Gruppe der Alkenylbernsteinsäure- oder der Polyalkenylbernsteinsäureanhydride mit einer durchschnittlichen molaren Masse von 200 bis 3 000 mit mindestens einem 1-(2-Hydroxyethyl-)imidazolin, das in der Postion 2 ersetzt wird, die in der Gruppe ausgesucht wird, die sich aus dem 1-(2-Hydroxyethyl)-2-Heptadecenylimidazolin und dem 1-(2-Hydroxyethyl)-2-Methylimidazolin zusammensetzt, und m einer zweiten Phase aus der Reaktion des aus der ersten Phase stammenden Produktes mit mindestens einem Polyamin gemaß der Summenformel (IV):
- Formulierung nach Anspruch 1, in der die Komponente B in der Gruppe gewählt wird, die aus den Produkten besteht, die durch die Reaktion von mindestens einem Bernsteinsäurederivat aus der Gruppe der Alkenylbernsteinsäure- oder der Polyalkenylbernsteinsäureanhydride mit einer durchschnittlichen molaren Masse von 200 bis 3 000 mit mindestens einem Amin nach der Summenformel (III) entstehen, in der R3 und R4 je ein Wasserstoffatom darstellen, Z eine -NR5-Gruppe ist, in der R5 ein Wasserstoffatom darstellt, p 2 gleicht, und m eine ganze Zahl von 1 bis 5 ist, wobei die besagte Reaktion bei einer Temperatur von etwa 120°C bis circa 200°C und mit einem Molverhältnis zwischen dem Amin und dem Bernsteinsäurederivat, das zwischen etwa 0,9 : 1 und einen 1,2 : 1 liegt, durchgeführt wird.
- Formulierung nach einem der Anspruche 1 bis 4, in der die Komponente (C) eine Polyglykol mit einem Polydispersitätsgrad von etwa 1 bis circa 1,25 mit der Summenformel (V) ist, in der jede einzelne R-Gruppe eine geradkettige oder verzweigte Alkylengruppe mit 2 bis 4 Kohlenwasserstoffen, bevorzugterweise eine Ethylen- oder eine propylengruppe, darstellt.
- Verwendung einer Zusätzeformulierung nach einem der Ansprüche 1 bis 5 als Zusatz für einen Brennstoff, der auf Kohlenwasserstoffen oder auf einer Mischung Kohlenwasserstoffen und mindestens einer Sauerstoffverbindung basiert, die in der Alkohol- und Ethergruppe gewählt wird.
- Verwendung einer Zusätzeformulierung nach einem der Ansprüche 1 bis 5 als Zusatz für einen Brennstoff, der in Motoren mit gesteuerter Anzündung verwendet wird.
- Verwendung nach Anspruch 6 oder 7, bei der 10 bis 10 000 ppm im Gewisch der Zusätzeformulierung dem Brennstoff zugesetzt wird.
- Verwendung nach einem der Ansprüche 6 bis 8, bei der die Formulierung die Komponente (A) und (B) in einem Gewischtsverhältnis (A)/(B) von etwa 0,05 circa 2 : 1 und die Komponente (C) in einem solchen Gewischtsanteil einthalt, daß das Gewischtsverhältnis (B)/(C) etwa 0.1 : 1 bis circa 5 : 1 beträgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9110851 | 1991-08-30 | ||
FR919110851A FR2680796B1 (fr) | 1991-08-30 | 1991-08-30 | Formulation d'additifs pour carburants comprenant des produits a fonction ester et un detergent - dispersant. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0530094A1 EP0530094A1 (de) | 1993-03-03 |
EP0530094B1 true EP0530094B1 (de) | 1997-05-21 |
Family
ID=9416561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92402335A Expired - Lifetime EP0530094B1 (de) | 1991-08-30 | 1992-08-24 | Esterprodukte und Detergenz-Dispergiermittel enthaltende Brennstoffzusätze-Formulierung |
Country Status (13)
Country | Link |
---|---|
US (1) | US5433755A (de) |
EP (1) | EP0530094B1 (de) |
JP (1) | JPH05194965A (de) |
AT (1) | ATE153369T1 (de) |
CA (1) | CA2077148A1 (de) |
DE (1) | DE69219835T2 (de) |
DK (1) | DK0530094T3 (de) |
ES (1) | ES2103910T3 (de) |
FR (1) | FR2680796B1 (de) |
GR (1) | GR3023785T3 (de) |
MY (1) | MY108084A (de) |
NO (1) | NO923388L (de) |
TW (1) | TW233329B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2261441B (en) * | 1991-11-18 | 1995-10-11 | Ethyl Petroleum Additives Inc | Fuel compositions |
US5633216A (en) * | 1992-03-03 | 1997-05-27 | Institut Francais Du Petrole | Process for sweetening petroleum cuts without regular addition of alkaline solution using a basic solid catalyst |
FR2688223B1 (fr) * | 1992-03-05 | 1994-05-20 | Institut Francais Petrole | Nouveau procede d'adoucissement de coupes petrolieres sans adjonction reguliere de solution aqueuse alcaline, utilisant un catalyseur solide basique. |
FR2697533B1 (fr) * | 1992-11-04 | 1994-12-30 | Inst Francais Du Petrole | Formulation d'additifs pour carburants comprenant des produits azotés comportant deux cycles imides. |
FR2705969B1 (fr) * | 1993-06-02 | 1995-07-28 | Inst Francais Du Petrole | Formulation d'additifs pour carburants comprenant au moins un composé imidazo-oxazole alkoxyle. |
DE4434603A1 (de) | 1994-09-28 | 1996-04-04 | Basf Ag | Als Kraft- und Schmierstoffadditiv geeignete Mischung aus Aminen, Kohlenwasserstoffpolymeren und Trägerölen |
GB9502041D0 (en) * | 1995-02-02 | 1995-03-22 | Exxon Chemical Patents Inc | Additives and fuel oil compositions |
US5752989A (en) * | 1996-11-21 | 1998-05-19 | Ethyl Corporation | Diesel fuel and dispersant compositions and methods for making and using same |
KR20080009753A (ko) * | 2005-05-13 | 2008-01-29 | 더루우브리졸코오포레이션 | 기관 흡입밸브 점착을 제거하는 방법으로서 지방산알콕실레이트의 용도 |
US20130023455A1 (en) | 2011-06-30 | 2013-01-24 | Exxonmobil Research And Engineering Company | Lubricating Compositions Containing Polyetheramines |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0491439A1 (de) * | 1990-12-18 | 1992-06-24 | Shell Internationale Researchmaatschappij B.V. | Benzinzusammensetzung |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2937933A (en) * | 1956-10-19 | 1960-05-24 | Texaco Inc | Fuel composition |
US2922706A (en) * | 1957-05-31 | 1960-01-26 | Continental Oil Co | Gasoline compositions |
US2993773A (en) * | 1959-02-02 | 1961-07-25 | Petrolite Corp | Ester additives |
FR2169718B1 (de) * | 1971-12-31 | 1974-09-13 | Inst Francais Du Petrole | |
GB1465700A (en) * | 1974-11-21 | 1977-02-23 | Ici Ltd | Surface active compositions |
GB1588067A (en) * | 1977-10-13 | 1981-04-15 | Lubrizol Corp | Lubricants and fuels and concentrates containing demulsifier additive compositions |
US4129508A (en) * | 1977-10-13 | 1978-12-12 | The Lubrizol Corporation | Demulsifier additive compositions for lubricants and fuels and concentrates containing the same |
US4292046A (en) * | 1979-08-10 | 1981-09-29 | Mobil Oil Corporation | Detergent compositions |
FR2486538A1 (fr) * | 1980-07-08 | 1982-01-15 | Inst Francais Du Petrole | Compositions detergentes, leur preparation et leur utilisation comme additifs pour carburants |
US4915857A (en) * | 1987-05-11 | 1990-04-10 | Exxon Chemical Patents Inc. | Amine compatibility aids in lubricating oil compositions |
US5049290A (en) * | 1987-05-11 | 1991-09-17 | Exxon Chemical Patents Inc. | Amine compatibility aids in lubricating oil compositions |
FR2633638B1 (fr) * | 1988-06-29 | 1991-04-19 | Inst Francais Du Petrole | Formulations d'additifs azotes pour carburants moteurs et les carburants moteurs les contenant |
FR2646434B2 (fr) * | 1988-06-29 | 1991-08-30 | Inst Francais Du Petrole | Formulation d'additifs pour carburants comprenant au moins une composition obtenue a partir d'une hydroxymidazoline et d'une polyamine et son utilisation comme additif pour carburants |
DE3838918A1 (de) * | 1988-11-17 | 1990-05-23 | Basf Ag | Kraftstoffe fuer verbrennungsmaschinen |
US4968321A (en) * | 1989-02-06 | 1990-11-06 | Texaco Inc. | ORI-inhibited motor fuel composition |
-
1991
- 1991-08-30 FR FR919110851A patent/FR2680796B1/fr not_active Expired - Fee Related
-
1992
- 1992-08-24 AT AT92402335T patent/ATE153369T1/de active
- 1992-08-24 DE DE69219835T patent/DE69219835T2/de not_active Expired - Fee Related
- 1992-08-24 DK DK92402335.1T patent/DK0530094T3/da active
- 1992-08-24 ES ES92402335T patent/ES2103910T3/es not_active Expired - Lifetime
- 1992-08-24 EP EP92402335A patent/EP0530094B1/de not_active Expired - Lifetime
- 1992-08-28 CA CA002077148A patent/CA2077148A1/fr not_active Abandoned
- 1992-08-28 MY MYPI92001552A patent/MY108084A/en unknown
- 1992-08-28 JP JP4230336A patent/JPH05194965A/ja not_active Withdrawn
- 1992-08-28 NO NO92923388A patent/NO923388L/no unknown
- 1992-08-31 US US07/936,410 patent/US5433755A/en not_active Expired - Fee Related
- 1992-09-09 TW TW081107133A patent/TW233329B/zh active
-
1997
- 1997-06-17 GR GR970401424T patent/GR3023785T3/el unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0491439A1 (de) * | 1990-12-18 | 1992-06-24 | Shell Internationale Researchmaatschappij B.V. | Benzinzusammensetzung |
Also Published As
Publication number | Publication date |
---|---|
GR3023785T3 (en) | 1997-09-30 |
FR2680796B1 (fr) | 1994-10-21 |
ATE153369T1 (de) | 1997-06-15 |
DK0530094T3 (da) | 1997-07-21 |
MY108084A (en) | 1996-08-15 |
TW233329B (de) | 1994-11-01 |
US5433755A (en) | 1995-07-18 |
DE69219835D1 (de) | 1997-06-26 |
ES2103910T3 (es) | 1997-10-01 |
NO923388D0 (no) | 1992-08-28 |
NO923388L (no) | 1993-03-01 |
DE69219835T2 (de) | 1997-09-11 |
JPH05194965A (ja) | 1993-08-03 |
CA2077148A1 (fr) | 1993-03-01 |
EP0530094A1 (de) | 1993-03-03 |
FR2680796A1 (fr) | 1993-03-05 |
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