EP0780460B1 - Concentré additif pour essence - Google Patents

Concentré additif pour essence Download PDF

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Publication number
EP0780460B1
EP0780460B1 EP96309357A EP96309357A EP0780460B1 EP 0780460 B1 EP0780460 B1 EP 0780460B1 EP 96309357 A EP96309357 A EP 96309357A EP 96309357 A EP96309357 A EP 96309357A EP 0780460 B1 EP0780460 B1 EP 0780460B1
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EP
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Prior art keywords
concentrate
fatty acids
alcohol
additive
amine
Prior art date
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Revoked
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EP96309357A
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German (de)
English (en)
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EP0780460A1 (fr
Inventor
Alan M. Schilowitz
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ExxonMobil Technology and Engineering Co
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ExxonMobil Research and Engineering Co
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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
    • C10L10/00—Use of additives to fuels or fires for particular purposes
    • C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
    • 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
    • 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
    • C10L1/16—Hydrocarbons
    • C10L1/1608—Well defined compounds, e.g. hexane, benzene
    • 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
    • C10L1/182—Organic compounds containing oxygen containing hydroxy groups; Salts thereof
    • C10L1/1822—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms
    • C10L1/1824—Organic compounds containing oxygen containing hydroxy groups; Salts thereof hydroxy group directly attached to (cyclo)aliphatic carbon atoms mono-hydroxy
    • 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
    • C10L1/188—Carboxylic acids; metal salts thereof
    • C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
    • 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
    • C10L1/188—Carboxylic acids; metal salts thereof
    • C10L1/1881—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom
    • C10L1/1883—Carboxylic acids; metal salts thereof carboxylic group attached to an aliphatic carbon atom polycarboxylic acid
    • 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
    • C10L1/188—Carboxylic acids; metal salts thereof
    • C10L1/1888—Carboxylic acids; metal salts thereof tall oil
    • 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
    • C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid 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
    • C10L1/18—Organic compounds containing oxygen
    • C10L1/19—Esters ester radical containing compounds; ester ethers; carbonic acid esters
    • C10L1/1905—Esters ester radical containing compounds; ester ethers; carbonic acid esters of di- or polycarboxylic acids
    • 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
    • C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
    • 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
    • C10L1/222—Organic compounds containing nitrogen containing at least one carbon-to-nitrogen single bond
    • C10L1/2222—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates
    • C10L1/2225—(cyclo)aliphatic amines; polyamines (no macromolecular substituent 30C); quaternair ammonium compounds; carbamates hydroxy containing
    • 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 a gasoline additive concentrate containing solubilizers to maintain the concentrate in the liquid state at low temperatures.
  • U.S. Patent 4,617,026 is directed to a method for reducing the fuel consumption in an automotive internal combustion engine by employing a gasoline fuel containing an effective fuel consumption reducing amount of an additive which is a hydroxyl-containing ester of a monocarboxylic acid and a glycol or trihydric alcohol, said ester additive having at least one free hydroxyl group.
  • an additive which is a hydroxyl-containing ester of a monocarboxylic acid and a glycol or trihydric alcohol, said ester additive having at least one free hydroxyl group.
  • U.S. Patent 5,279,626 is directed to a fuel additive concentrate having an enhanced shelf life, the concentrate comprising a major amount of detergent/dispersant, a minor amount of demulsifier and an amount of solvent stabilizer sufficient to enhance the shelf life of the fuel additive package.
  • the solvent stabilizer is formed from at least one aromatic hydrocarbon solvent and at least one alkyl or cyclic alkyl alcohol wherein the solvent stabilizer composition contains more than 50 wt% aromatic hydrocarbon solvent and 10 to less than 50 wt% alcohol.
  • the demulsifiers include organic sulfonates, polyoxyalkylene glycols, oxyalkylated phenolic resins and the like.
  • Corrosion inhibitors include dimers and trimer acids such as those produced from tall oil fatty acids, oleic acid, linoleic acid, and the like.
  • European Patent Publication EP 482 253 A discloses a middle distillate fuel with reduced emissions.
  • the fuel contains an ashless dispersant such as an alkenyl succinimide of an amine. It may also contain a hindered phenol antioxidant, and one or more other conventional fuel additives including demulsifying agents, metal deactivators, antifoam agents, corrosion inhibitors, lubricity additives, friction modifiers and solvents.
  • US Patent 4 565 547 describes a fuel composition containing a detergent system to remove deposits.
  • the detergent system comprises a C 18 fatty acid, an ammonia/amine mixture, and an ester of a higher fatty acid.
  • the amine is either a C 1 - C 10 alkylamine, a C 2 - C 10 alkanolamine or morpholine.
  • the fuel may also contain a solubilising auxiliary solvent such as an aliphatic alcohol.
  • UK Patent Publication 1 074 232 A describes a jet fuel containing as lubricity additive the reaction product or a mixture of a hydroxy amine or polyamine with a dialkyl ester of a dicarboxylic fatty acid.
  • WO Patent Publication 95/02654 describes a diesel fuel containing a significant proportion of alcohol. To assist the solubility of the alcohol in the fuel a fatty acid and/or an organic ester is added.
  • UK Patent Publication 2 269 824 describes a middle distillate fuel containing, as a wax anti-settling additive, the reaction product of a C 12 - C 22 fatty amine with a C 16 - C 24 carboxylic acid.
  • the additive is contained in a solvent mixture of non-polar and weakly polar solvents.
  • the additive also acts to prevent the formation of an emulsion of the distillate fuel and water.
  • US Patent 4 797 134 describes a gasoline with improved combustion and hence reduced emissions, containing an additive composition comprising (a) an organic peroxide, (b) a detergent, for example a mixture of an amine and a carboxylic acid, and (c) a suitable hydrocarbon solvent such as fuel oil.
  • US Patent 4 451 265 describes a hybrid fuel which is a microemulsion of diesel fuel and water.
  • the fuel additionally contains alcohol and a surfactant system which is the reaction product of N,N-dimethylethanolamine and a C 9 - C 22 fatty acid.
  • WO Patent Publication 95/03377 describes an additive combination for improving the cold flow properties of a middle distillate fuel.
  • the additive combination comprises a copolymeric ethylene flow improver and one or more co-additives selected from an acylated amine ashless dispersant/ detergent, a fatty acid ester lubricity additive, an oil-soluble nitrate or peroxy cetane improver, and a silicon-based or acylated polyamine anti-foam agent.
  • gasolines are additized by injecting a homogeneous, low viscosity and liquid additive concentrate into the gasoline while it is being loaded into trucks at the terminal rack.
  • additives are diluted in an aromatic solvent (e.g., xylene, aromatic 100, heavy aromatic naphtha) to produce a homogeneous, low viscosity fluid which is suitable for rack injection.
  • aromatic solvent e.g., xylene, aromatic 100, heavy aromatic naphtha
  • additive solution must be fluid, homogenous and low viscosity under all atmospheric conditions encountered at such outdoor truck loading facilities.
  • additives such as Tolad 9103 (a mixture of polymerized fatty acids, non-polymerized fatty acids and heavy aromatic naphtha, commercially available from Petrolite Corp.) is not suitable for additization under low temperature. It turns solid by 0°F within one day.
  • fatty acids, dimers and trimers of such acids and the esters of such acids useful as anti friction and wear reducing additives in gasoline and diesel fuels are formulated into an additive concentrate which remains liquid at low temperatures of about -18°C (0°F) and lower by the additional presence in the concentrate of an alcohol, an amine or a mixture of alcohol and amine.
  • the fatty acids and their esters are typically derived from naturally occurring fats and oils and includes those known as tall oil acids and their esters.
  • the present invention provides an additive concentrate for gasoline comprising a lubricity additive selected from saturated and unsaturated fatty acids, dimerized or trimerized saturated and unsaturated fatty acids, esters of such fatty acid and dimerized or trimerized fatty acids and mixtures thereof in an aromatic solvent, said lubricity additive being present in the solvent in an amount of 85wt% or less and containing a compatibilizer which remains liquid to a temperature of at least about 0°C (32°F) and which comprises a mixture of a C 2 to C 10 alcohol and a C 12 to C 75 amine having at least one nitrogen atom wherein the compatibilizer is present in a total amount of from 10 to 50wt% based on the weight of lubricity additive and the weight ratio of alcohol to amine is from 2:10 to 10:1.
  • a compatibilizer which remains liquid to a temperature of at least about 0°C (32°F) and which comprises a mixture of a C 2 to C 10 alcohol and a C 12 to C 75 amine having at least
  • the present invention provides the use of a C 2 -C 10 alcohol or a C 12 - C 75 amine having at least one nitrogen atom, or a mixture thereof which remains liquid to at least 0°C (32°F) as a compatibilizing agent in an additive concentrate for gasoline which concentrate comprises a lubricity additive selected from saturated and unsaturated fatty acids, dimerized or trimerized saturated and unsaturated fatty acids, esters of such fatty acid and dimerized or trimerized fatty acids and mixtures thereof in an aromatic solvent, said lubricity additive being present in the solvent in an amount of 85wt% or less, the said compatibilising agent maintaining the additive concentrate in the liquid state at a low temperature of -18°C (0°F) or lower.
  • a lubricity additive selected from saturated and unsaturated fatty acids, dimerized or trimerized saturated and unsaturated fatty acids, esters of such fatty acid and dimerized or trimerized fatty acids and mixtures thereof in an aromatic solvent, said lubricity additive being present
  • the concentrate comprises fatty acids, dimers or trimers of fatty acids, their esters and mixtures thereof in an aromatic solvent diluent and further a C 2 to C 10 alcohol, preferably a C 2 to C 8 alcohol, most preferably ethanol, which remains liquid at temperatures of at least as low as 0°C (32°F), a C 12 to C 75 amine having at least one nitrogen, preferably a C 12 to C 18 amine and which has a glass transition temperature or is liquid at temperatures of at least as low as 0°C (32°F), and mixtures of such alcohols and amines.
  • a C 2 to C 10 alcohol preferably a C 2 to C 8 alcohol, most preferably ethanol, which remains liquid at temperatures of at least as low as 0°C (32°F)
  • a C 12 to C 75 amine having at least one nitrogen, preferably a C 12 to C 18 amine and which has a glass transition temperature or is liquid at temperatures of at least as low as 0°C (32°F)
  • the concentrate comprises a lubricity additive selected from the group consisting of saturated or unsaturated fatty acids, dimerized and trimerized saturated or unsaturated fatty acids, their esters and mixtures thereof, preferably the acid(s), in an aromatic solvent, preferably an aromatic solvent of 8 to 14 carbons, the acid(s), ester(s) or mixture thereof being present in the solvent in an amount of about 85 wt% or less, preferably about 50 wt% or less, more preferably 30 wt% or less, and a compatibilizer selected from the group consisting of an alcohol, an amine or a mixture thereof wherein, the alcohol or amine, preferably alcohol, used individually is present in an amount of at least about 30 wt% preferably about 35 wt%, more preferably about 40 wt% most preferably about 50 wt% based on the acid(s), ester(s) or mixture thereof, preferably when the lubricity additive component concentration in the diluent is about 50 wt% or less, preferably about
  • the concentration of amine plus alcohol compatibilizer should be about 3 parts or more compatibilizer to 25 parts lubricity additive.
  • the additive concentrate may, of course, contain other typical components such as detergents, carrier fluids, octane boosters, antioxidants, metal corrosion inhibitor (especially copper corrosion inhibitors), and the like.

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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)
  • Liquid Carbonaceous Fuels (AREA)
  • Lubricants (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Claims (10)

  1. Concentré additif pour essence comprenant un additif de lubrification choisi parmi les acides gras saturés et insaturés, les acides gras dimérisés ou trimérisés saturés et insaturés, les esters de ces acides gras et de ces acides gras dimérisés ou trimérisés et leurs mélanges dans un solvant aromatique, ledit additif de lubrification étant présent dans le solvant en quantité de 85% en poids ou moins et contenant un agent compatibilisant qui reste liquide jusqu'à une température d'au moins 0°C (32°F) et qui comprend un mélange d'un alcool en C2 à C10 et d'une amine en C12 à C75 ayant au moins un atome d'azote, dans lequel l'agent compatibilisant est présent en quantité totale de 10 à 50% en poids par rapport au poids de l'additif de lubrification et le rapport pondéral de l'alcool à l'amine est de 2:10 à 10:1.
  2. Concentré selon la revendication 1, dans lequel l'alcool est un alcool en C2 à C8.
  3. Concentré selon la revendication 1, dans lequel l'alcool est l'éthanol.
  4. Concentré selon la revendication 1, 2 ou 3, dans lequel l'amine est une amine en C12 à C18.
  5. Concentré selon l'une quelconque des revendications précédentes, dans lequel la quantité d'agent compatibilisant est de 10 à 20% en poids par rapport au poids d'additif de lubrification.
  6. Concentré selon l'une quelconque des revendications précédentes, dans lequel le rapport pondéral de l'alcool à l'amine est d'environ 3:10 à 10:5.
  7. Concentré selon l'une quelconque des revendications précédentes, dans lequel la quantité d'additif de lubrification est d'au moins 30% en poids par rapport au poids de solvant aromatique.
  8. Concentré selon l'une quelconque des revendications précédentes, dans lequel l'additif de lubrification est choisi parmi les acides gras saturés et insaturés, les acides gras dimérisés et trimérisés saturés et insaturés et leurs mélanges.
  9. Concentré selon l'une quelconque des revendications 1 à 7, dans lequel l'additif de lubrification est choisi parmi les esters d'acides gras saturés et insaturés, les esters d'acides gras dimérisés et trimérisés saturés et insaturés et leurs mélanges.
  10. Utilisation d'un alcool en C2-C10 ou d'une amine en C12-C75 ayant au moins un atome d'azote, ou un mélange de ceux-ci qui reste liquide à au moins 0°C (32°F) comme agent compatibilisant dans un concentré additif pour essence qui comprend un additif de lubrification choisi parmi les acides gras saturés et insaturés, les acides gras dimérisés ou trimérisés saturés et insaturés, les esters de ces acides gras et de ces acides gras dimérisés ou trimérisés et de leurs mélanges dans un solvant aromatique, ledit additif de lubrification étant présent dans le solvant en quantité de 85% en poids ou moins, ledit agent compatibilisant maintenant le concentré additif à l'état liquide à une basse température de -18°C (0°F) ou moins.
EP96309357A 1995-12-22 1996-12-20 Concentré additif pour essence Revoked EP0780460B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US57765895A 1995-12-22 1995-12-22
US577658 1995-12-22

Publications (2)

Publication Number Publication Date
EP0780460A1 EP0780460A1 (fr) 1997-06-25
EP0780460B1 true EP0780460B1 (fr) 2001-06-27

Family

ID=24309630

Family Applications (1)

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EP96309357A Revoked EP0780460B1 (fr) 1995-12-22 1996-12-20 Concentré additif pour essence

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EP (1) EP0780460B1 (fr)
AT (1) ATE202595T1 (fr)
DE (1) DE69613549T2 (fr)
NO (1) NO315126B1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US7850744B2 (en) 2004-08-05 2010-12-14 Basf Aktiengesellschaft Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion

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EP0869163A1 (fr) * 1997-04-03 1998-10-07 Mobil Oil Corporation Méthode de réduction du frottement du moteur
US6129772A (en) * 1998-01-13 2000-10-10 Baker Hughes Incorporated Composition and method to improve lubricity in fuels
US6203584B1 (en) 1998-03-31 2001-03-20 Chevron Chemical Company Llc Fuel composition containing an amine compound and an ester
KR20020070286A (ko) * 1999-11-23 2002-09-05 더 어소시에이티드 악텔 컴퍼니 리미티드 조성물
GB2358192A (en) * 2000-01-14 2001-07-18 Exxonmobil Res & Eng Co Fatty acids or derivatives thereof as lubricity enhancers in low sulphur fuels
DE10058359B4 (de) * 2000-11-24 2005-12-22 Clariant Gmbh Brennstofföle mit verbesserter Schmierwirkung, enthaltend Mischungen aus Fettsäuren mit Paraffindispergatoren, sowie ein schmierverbesserndes Additiv
WO2002055636A1 (fr) * 2001-01-12 2002-07-18 Exxonmobil Research And Engineering Company Composition d'essence
WO2010136437A1 (fr) 2009-05-25 2010-12-02 Shell Internationale Research Maatschappij B.V. Compositions d'essence
EP2435541B1 (fr) * 2009-05-25 2017-10-04 Shell Internationale Research Maatschappij B.V. Compositions d'essence
CN102712864B (zh) 2009-11-30 2016-01-06 路博润公司 含有摩擦改进剂的稳定混合物
WO2017144378A1 (fr) 2016-02-23 2017-08-31 Basf Se Acides polycarboxyliques hydrophobes utilisés comme additifs réducteurs d'usure par frottement dans des carburants

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US4451265A (en) * 1981-04-21 1984-05-29 The United States Of America As Represented By The Secretary Of Agriculture Diesel fuel-aqueous alcohol microemulsions
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CA2167294C (fr) * 1993-07-16 2001-04-10 Robert William Killick Melanges d'essence
GB9315205D0 (en) * 1993-07-22 1993-09-08 Exxon Chemical Patents Inc Additives and fuel compositions

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US7850744B2 (en) 2004-08-05 2010-12-14 Basf Aktiengesellschaft Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion
US8814957B2 (en) 2004-08-05 2014-08-26 Basf Aktiengesellschaft Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion

Also Published As

Publication number Publication date
DE69613549D1 (de) 2001-08-02
NO970968D0 (no) 1997-03-03
EP0780460A1 (fr) 1997-06-25
NO315126B1 (no) 2003-07-14
NO970968L (no) 1998-09-04
DE69613549T2 (de) 2001-10-25
ATE202595T1 (de) 2001-07-15

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