EP0704519B1 - Mélange d'amines, polymères d'hydrocarbures et solvants huileux, convenant comme additif pour combustibles et lubrifiants - Google Patents

Mélange d'amines, polymères d'hydrocarbures et solvants huileux, convenant comme additif pour combustibles et lubrifiants Download PDF

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Publication number
EP0704519B1
EP0704519B1 EP95114693A EP95114693A EP0704519B1 EP 0704519 B1 EP0704519 B1 EP 0704519B1 EP 95114693 A EP95114693 A EP 95114693A EP 95114693 A EP95114693 A EP 95114693A EP 0704519 B1 EP0704519 B1 EP 0704519B1
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Prior art keywords
mixture
component
fuel
additive
weight
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EP95114693A
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German (de)
English (en)
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EP0704519A1 (fr
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Jürgen Dr. Thomas
Harald Dr. Schwahn
Peter Dr. Schreyer
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BASF SE
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BASF SE
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    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10M149/12—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
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    • C10M2205/026—Butene
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    • C10M2209/107—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
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    • C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
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    • C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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    • C10M2215/22—Heterocyclic nitrogen compounds
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    • C10M2215/221—Six-membered rings containing nitrogen and carbon only
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    • C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
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    • C10M2215/226—Morpholines
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    • C10M2215/26—Amines
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    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/041—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds involving a condensation reaction
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    • C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/046—Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
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    • C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
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    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives

Definitions

  • the invention further relates to the use of the mixture as Fuel and lubricant additives and fuels for gasoline engines and lubricant compositions which the blend in effective Amounts included.
  • Carburetor and intake system of gasoline engines but also injection systems for fuel metering in petrol and diesel engines are increasingly contaminated by impurities that through dust particles from the air, unburned hydrocarbon residues out of the combustion chamber and into the carburetor Vent gases are caused from the crankcase.
  • the residues adsorb fuel and shift the air-fuel ratio at idle and in the lower part-load range, so that the mixture fatter, the combustion incomplete and again the proportions of unburned or partially burned hydrocarbons increase in exhaust gas and gasoline consumption increases.
  • the document (1) further teaches that in fuel additives about 50% by weight of the active substance, i.e. the polyisobutylamine, can be replaced by polyisobutene without loss of effectiveness can; such a replacement is primarily for cost reasons. To improve the effectiveness of certain amounts of polyisobutene no indication is given.
  • carrier oils Another important additive component for fuels are so-called carrier oils. These carrier oils are usually high-boiling, thermostable liquids.
  • EP-B 356 726 (2) discloses esters of aromatic polycarboxylic acids with long-chain alcohols as carrier oils.
  • EP-A 374 461 (3) describes combinations of polyethers based on propylene oxide and / or butylene oxide with a molecular weight of at least 500 with esters of mono- or polycarboxylic acids and alkanols of the polyols, these esters having a minimum viscosity of 2 mm 2 / s at 100 ° C, described, which increase the efficiency of the detergent via synergistic mechanisms of action.
  • US Pat. No. 5,006,130 (4) discloses mixtures of aliphatic alkylene polyamines with at least one oil-soluble synthetic or mineral carrier oil.
  • WO-A 91/03529 (5) teaches the combination of detergents which carry certain amino groups, with polyether alcohols as carrier oils. This combination is particularly less than its individual components to increase the octane requirement (ORI, Octane Requirement Increase) caused by deposits of fuel or the additives originate from engine parts. A new engine only reaches its final octane requirement after a considerable period of time, which can then be considerably higher than at the beginning. In general, additives should at least not increase this effect.
  • the object of the present invention was therefore to force and Lubricant additives with improved effectiveness as detergents to provide.
  • the mixture defined at the outset was found, which characterized in that a component oil mixture as component C. from (b) polyethers based on propylene oxide and / or butylene oxide and (d) esters of mono- or polycarboxylic acids and alkanols or polyols is used.
  • Component A is primarily used as a detergent in fuels effective. As component A such amines come into question, which one Hydrocarbon residue with an average molecular weight of 500 to 10,000, preferably from 600 to 2500 and particularly preferred from 700 to 1500.
  • the hydrocarbon residue is usually branched.
  • such a residue is obtainable by polymerizing olefins.
  • olefins are preferably C 2 -C 6 -olefins, such as ethylene, propylene, 1-butene, 1-pentene, but particularly preferably isobutene. Both homopolymers and copolymers are possible, for example polymers of 70 to 100% by weight of isobutene and 0 to 30% by weight of 1-butene. Due to their manufacturing process, these polyolefins generally consist of a mixture of compounds of different molecular weights.
  • these polyolefins after chlorination be implemented with amines.
  • hydroformylation is preferred of the polyolefin and amination of the resultant Aldehyde and alcohol mixture under hydrogenating conditions, such as described for example in (1), since this route to chlorine-free Products.
  • the amine group of detergent A conducts of known amines such as ammonia, primary amines such as methylamine, ethylamine, butylamine, hexylamine, octylamine, secondary amines such as dimethylamine, diethylamine, dibutylamine, Dioctylamine or heterocycles such as piperazine, pyrrolidine, Morpholine, optionally further inert substituents can wear from. Ammonia is particularly preferred.
  • a very particularly preferred embodiment for the component A is a medium molecular weight polyisobutylamine from 700 to 1500, with up to 20% by weight of the isobutene units can be replaced by 1-butene units.
  • hydrocarbon polymer B are particularly suitable olefin polymers described as a precursor to component A.
  • Such olefin polymers have a medium as component B. Molecular weight of preferably 400 to 1750, in particular from 500 to 1500.
  • the hydrocarbon polymer B can still contain olefinic double bonds due to production; such However, double bonds can also have been hydrogenated.
  • the Component B can either be added separately or by suitable reaction control in the production of component A from an excess of the olefin polymers described in the mixture according to the invention can be introduced.
  • a very particularly preferred embodiment for the component B is a medium molecular weight polyisobutene from 500 to 1500, with up to 20% by weight of the isobutene units can be replaced by 1-butene units.
  • Both component A and component B can each Mixtures of different individual compounds.
  • the component is used C is a carrier oil mixture of polyethers (b) and esters (d) a, wherein (b) and (d) preferably in a weight ratio of 20:80 to 80:20, especially 35:65 to 65:35.
  • Component C is usually in the mixture according to the invention in a weight ratio to the sum of amine A and Hydrocarbon polymer B from 5:95 to 85:15, in particular 20:80 until 70:30, before.
  • the mixture according to the invention can contain further components D wherein the amounts of D 0 to 40 wt .-%, preferably 0 to 10% by weight, based on the total weight of components A to C, be. These components D affect the properties of the mixtures according to the invention with regard to their use in Fuels only to a small extent.
  • Component D comprises additives known per se for mixtures, the fuels and lubricants are added. Among them are especially corrosion inhibitors, demulsifiers, detergents or dispersants such as amides and imides of polyisobutyl succinic anhydride to understand.
  • the present invention also relates to the use of described mixture of components A to C as a force and Lubricant additives.
  • the gasoline can also use other components as hydrocarbons, e.g. Alcohols such as methanol, ethanol, tert-butanol and ethers such as methyl tert-butyl ether.
  • hydrocarbons e.g. Alcohols such as methanol, ethanol, tert-butanol and ethers such as methyl tert-butyl ether.
  • the fuels according to the invention contain the mixtures of components A to C generally in amounts of each 10 to 5000 ppm, based on the total mass, preferably 50 to 1000 ppm.
  • the fuels according to the invention can be in addition to the above Component D described also antioxidants, e.g. N, N'-di-sec-butyl-para-phenylenediamine, and stabilizers, e.g. N, N'-disalicylidene-1,2-diaminopropane.
  • Components A to C can be made into clear, homogeneous solutions mix. Fuels additized with this point opposite the pure fuels significantly lower valve deposits. Furthermore, the additives do not contribute to an increase in the octane requirement (ORI) at.
  • ORI octane requirement
  • the present invention further relates to lubricant compositions what effective amounts of the invention Mix included. Effective amounts are usually here 0.1 to 6 wt .-%, in particular 0.5 to 5 wt .-%, based on the Weight of the lubricant composition.

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  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Lubricants (AREA)

Claims (9)

  1. Mélange convenant en tant qu'additif pour carburants et lubrifiants à base, pour l'essentiel,
    (A) d'au moins une amine portant un reste hydrocarboné ayant un poids moléculaire moyen de 500 à 10000,
    (B) d'au moins un polymère d'hydrocarbure ayant un poids moléculaire moyen de 300 à 10000, pouvant se trouver sous forme hydrogénée ou non hydrogénée, et
    (C) des huiles supports,
    avec un rapport en poids du composant A au composant B de 80 : 20 à 60 : 40, caractérisé en ce que l'on utilise en tant que composant C un mélange d'huiles supports constitué de (b) polyéthers à base d'oxyde de propylène et/ou d'oxyde de butylène et (d) d'esters formés à partir d'acides mono- ou polycarboxyliques et d'alcanols ou de polyols.
  2. Mélange convenant en tant qu'additif pour carburants et lubrifiants selon la revendication 1, caractérisé par un rapport en poids du composant A au composant B de 77 : 23 à 65 : 35.
  3. Mélange convenant en tant qu'additif pour carburants et lubrifiants selon la revendication 1 ou 2, dans lequel on utilise en tant que composant A une polyisobutylamine ayant une masse moléculaire moyenne de 700 à 1500, où les motifs isobutène peuvent être remplacés jusqu'à 20% en poids par des motifs 1-butène.
  4. Mélange convenant en tant qu'additif pour carburants et lubrifiants selon l'une quelconque des revendications 1 à 3, dans lequel on utilise en tant que composant B un polyisobutène ayant une masse moléculaire moyenne de 500 à 1500, où les motifs isobutène peuvent être remplacés jusqu'à 20% en poids par des motifs 1-butène.
  5. Utilisation du mélange selon l'une quelconque des revendications 1 à 4, en tant qu'additifs pour carburants et lubrifiants.
  6. Carburants pour véhicules à moteur, contenant une quantité efficace d'un mélange selon les revendications 1 à 4.
  7. Carburants pour véhicules à moteur, contenant 10 à 5000 ppm d'un mélange selon les revendications 1 à 4.
  8. Composition de lubrifiant, contenant une quantité efficace d'un mélange selon l'une quelconque des revendications 1 à 4.
  9. Composition de lubrifiant, contenant 0,1 à 6% en poids d'un mélange selon l'une quelconque des revendications 1 à 4.
EP95114693A 1994-09-28 1995-09-19 Mélange d'amines, polymères d'hydrocarbures et solvants huileux, convenant comme additif pour combustibles et lubrifiants Expired - Lifetime EP0704519B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4434603 1994-09-28
DE4434603A DE4434603A1 (de) 1994-09-28 1994-09-28 Als Kraft- und Schmierstoffadditiv geeignete Mischung aus Aminen, Kohlenwasserstoffpolymeren und Trägerölen

Publications (2)

Publication Number Publication Date
EP0704519A1 EP0704519A1 (fr) 1996-04-03
EP0704519B1 true EP0704519B1 (fr) 1999-05-06

Family

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EP95114693A Expired - Lifetime EP0704519B1 (fr) 1994-09-28 1995-09-19 Mélange d'amines, polymères d'hydrocarbures et solvants huileux, convenant comme additif pour combustibles et lubrifiants

Country Status (4)

Country Link
US (1) US6579329B1 (fr)
EP (1) EP0704519B1 (fr)
DE (2) DE4434603A1 (fr)
ES (1) ES2131243T3 (fr)

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US7204863B2 (en) 2001-12-11 2007-04-17 Exxonmobil Research And Engineering Company Gasoline additives for reducing the amount of internal combustion engine intake valve deposits and combustion chamber deposits
US7226489B2 (en) 2001-12-12 2007-06-05 Exxonmobil Research And Engineering Company Gasoline additives for reducing the amount of internal combustion engine intake valve deposits and combustion chamber deposits

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US6498129B1 (en) 1998-09-08 2002-12-24 Exxon Chemical Patents Inc. Two-cycle lubricating oil containing polyisobutylene amine
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DE19953850A1 (de) * 1999-11-09 2001-05-10 Basf Ag Verfahren zur Oxalkylierung von Alkanolen mit Alkylenoxiden
DE10021936A1 (de) * 2000-05-05 2001-11-08 Basf Ag Kraftstoffadditivpakete für Ottokraftstoffe mit verbesserten Viskositätseigenschaften und guter IVD Performance
GB0022473D0 (en) * 2000-09-13 2000-11-01 Ass Octel Composition
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DE10209830A1 (de) 2002-03-06 2003-09-18 Basf Ag Kraftstoffadditivgemische für Ottokraftstoffe mit synergistischer IVD-Performance
US20050160662A1 (en) * 2002-06-11 2005-07-28 Oryxe Energy International, Inc. Method and composition for using stabilized beta-carotene as cetane improver in hydrocarbonaceous diesel fuels
US7727291B2 (en) * 2005-04-27 2010-06-01 Himmelsbach Holdings, Llc Low molecular weight fuel additive
EP2978828B1 (fr) * 2013-05-23 2018-09-26 Dow Global Technologies LLC Polyalkylène glycols utilisables comme additifs pour lubrifiants dans des huiles de base hydrocarbonées

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US7226489B2 (en) 2001-12-12 2007-06-05 Exxonmobil Research And Engineering Company Gasoline additives for reducing the amount of internal combustion engine intake valve deposits and combustion chamber deposits

Also Published As

Publication number Publication date
DE59505828D1 (de) 1999-06-10
ES2131243T3 (es) 1999-07-16
EP0704519A1 (fr) 1996-04-03
US6579329B1 (en) 2003-06-17
DE4434603A1 (de) 1996-04-04

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