EP3099769A1 - Polymere als additive für kraft und schmierstoffe - Google Patents

Polymere als additive für kraft und schmierstoffe

Info

Publication number
EP3099769A1
EP3099769A1 EP15703038.8A EP15703038A EP3099769A1 EP 3099769 A1 EP3099769 A1 EP 3099769A1 EP 15703038 A EP15703038 A EP 15703038A EP 3099769 A1 EP3099769 A1 EP 3099769A1
Authority
EP
European Patent Office
Prior art keywords
acid
fuel
use according
groups
diesel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP15703038.8A
Other languages
German (de)
English (en)
French (fr)
Inventor
Jochen Mezger
Maxim Peretolchin
Aaron FLORES-FIGUEROA
Markus Hansch
Ludwig Völkel
Ivette Garcia Castro
Klaus MÜHLBACH
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from PCT/EP2014/076622 external-priority patent/WO2015113681A1/de
Application filed by BASF SE filed Critical BASF SE
Publication of EP3099769A1 publication Critical patent/EP3099769A1/de
Withdrawn legal-status Critical Current

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    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/14—Monomers containing five or more carbon atoms
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    • C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/04—Anhydrides, e.g. cyclic anhydrides
    • C08F222/06—Maleic anhydride
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    • 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
    • C10L1/236—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof
    • C10L1/2368—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds derivatives thereof homo- or copolymers derived from unsaturated compounds containing heterocyclic compounds containing nitrogen in the 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
    • C10L2230/00—Function and purpose of a components of a fuel or the composition as a whole
    • C10L2230/22—Function and purpose of a components of a fuel or the composition as a whole for improving fuel economy or fuel efficiency
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2270/00—Specifically adapted fuels
    • C10L2270/02—Specifically adapted fuels for internal combustion engines
    • C10L2270/023—Specifically adapted fuels for internal combustion engines for gasoline engines
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
    • C10L2270/00—Specifically adapted fuels
    • C10L2270/02—Specifically adapted fuels for internal combustion engines
    • C10L2270/026—Specifically adapted fuels for internal combustion engines for diesel engines, e.g. automobiles, stationary, marine
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/10—Carboxylix acids; Neutral salts thereof
    • C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
    • C10M2207/123—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms polycarboxylic
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/086—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type polycarboxylic, e.g. maleic acid
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/022—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/026—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrile group
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/028—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a nitrogen-containing hetero ring
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/04—Detergent property or dispersant property
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/54—Fuel economy
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/252—Diesel engines
    • C10N2040/253—Small diesel engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/25—Internal-combustion engines
    • C10N2040/255—Gasoline engines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition

Definitions

  • the present invention relates to the use of certain polymers as a fuel or lubricant additive; Process for the preparation of such additives, and additives and fuels additized therewith; in particular as a detergent additive; Use of these polymers to reduce or prevent deposits in the fuel systems, and more particularly to injection systems of direct injection diesel engines, especially in common rail injection systems, for reducing the fuel consumption of direct injection diesel engines, particularly diesel engines with common rail injection systems, and minimizing power loss (power loss) in direct injection diesel engines, especially in diesel engines with common rail injection systems; and as an additive for gasoline fuels, in particular for the operation of DISI engines.
  • direct-injection diesel engines the fuel is injected through a directly into the combustion chamber of the engine reaching multi-hole injection nozzle and finely distributed (atomized), instead of being introduced as in the classic (chamber) diesel engine in a vortex or vortex chamber.
  • the advantage of direct injection diesel engines lies in their high performance for diesel engines and yet low consumption. In addition, these engines achieve a very high torque even at low speeds.
  • the diesel fuel is pumped from a pump with pressures up to 2000 bar into a high-pressure line, the common rail.
  • spur lines run to the various injectors, which inject the fuel directly into the combustion chamber.
  • the full pressure is always applied to the common rail, which allows a multiple injection or a special injection form. In the other injection systems, however, only a smaller variation of the injection is possible.
  • Injection in the common rail is essentially subdivided into three groups: (1) pre-injection, which substantially achieves softer combustion, so that hard combustion noise ("nailing") is reduced and engine running appears quiet; (2.) main injection, which is responsible in particular for a good torque curve; and (3.) post-injection, which in particular ensures a low NO x value.
  • pre-injection which substantially achieves softer combustion, so that hard combustion noise ("nailing") is reduced and engine running appears quiet
  • main injection which is responsible in particular for a good torque curve
  • post-injection which in particular ensures a low NO x value.
  • the fuel is not burned in the rule, but evaporated by residual heat in the cylinder.
  • the resulting exhaust gas / fuel mixture is transported to the exhaust system, where the fuel in the presence of suitable catalysts acts as a reducing agent for the nitrogen oxides NO x .
  • the pollutant emissions of the engine such as the emission of nitrogen oxides (NO x ), carbon monoxide (CO) and in particular of particles (soot) can be positively influenced.
  • NO x nitrogen oxides
  • CO carbon monoxide
  • particles particles
  • deposits may form at the injector orifices under certain conditions, such as when using biodiesel-containing fuels or fuels with metal contaminants such as zinc compounds, copper compounds, lead compounds and other metal compounds Negatively affecting the injection behavior of the fuel and thereby impairing the performance of the engine, ie In particular, reduce the power, but in part also deteriorate the combustion.
  • the formation of deposits is further enhanced by structural developments of the injectors, in particular by the change in the geometry of the nozzles (narrower, conical openings with rounded outlet). For a permanently optimal functioning of engine and injectors such deposits must be prevented or reduced in the nozzle openings by suitable fuel additives.
  • I DI D internal diesel injector deposits
  • injection system is understood to mean the part of the fuel system in motor vehicles from the fuel pump through the injector outlet.
  • fuel system is understood to mean the components of motor vehicles that are in contact with the respective fuel, preferably the area from the tank up to and including the injector outlet.
  • the quaternized ammonium salts provided by the teachings have as counterion either a halide or a C 2 -C 8 hydrocarbyl carboxylate or a C 2 -C 8 hydrocarbyl sulfonate group.
  • PIBSA with low bis-malalination ⁇ 20% is also not described therein.
  • EP-A-2 033 945 which are prepared by quaternization of specific tertiary monoamines bearing at least one C 8 -C 40 -alkyl radical with a C 1 -C 4 -alkyl ester of specific carboxylic acids.
  • carboxylic acid esters are dimethyloxalate, dimethyl maleate, dimethyl phthalate and dimethyl fumarate.
  • WO 2006/135881 describes quaternized ammonium salts prepared by condensation of a hydrocarbyl-substituted acylating agent and an oxygen- or nitrogen-containing compound having a tertiary amino group, and subsequent quaternization with Hydrocarbylepoxid in combination with stoichiometric amounts of an acid, in particular acetic acid.
  • Further quaternizing agents claimed in WO 2006/135881 are dialkyl sulfates, benzyl halides and hydrocarbyl-substituted carbonates, with dimethyl sulfate, benzyl chloride and dimethyl carbonate being investigated experimentally.
  • WO 201 1/146289 discloses nitrogen-free additives of a substituted hydrocarbon having at least two carboxyl groups in free or anhydride form for improving detergency in fuel systems.
  • hydrocarbyl substituted succinic anhydrides and hydrolyzed forms thereof are disclosed, inter alia.
  • the present invention has for its object to provide a new class of polymer-based additives for use in modern diesel and gasoline fuels. Summary of the invention:
  • the polymers according to the present invention may be homopolymers or copolymers, preferably copolymers.
  • the polymers can be obtained by any desired method, preferably by polyaddition or polycondensation, preferably by polyaddition.
  • the polyaddition can preferably be free-radical or ionic, preferably free-radical.
  • polymers are characterized in particular by the fact that they act against a variety of deposits that affect the performance of modern diesel engines.
  • the compounds according to the invention have an effect, for example, against loss of power, both caused by zinc input and also due to sodium introduction into the diesel fuel. In this case, deposits in the spray channels and the injector tip are essentially eliminated or avoided.
  • the compounds according to the invention also act against internal diesel injector deposits (IDID), caused by Na, Ca and / or K ions (so-called Na, Ca or K soaps IDID) and / or polymers deposits.
  • IDID internal diesel injector deposits
  • Na, Ca or K soaps IDID are deposits containing the respective metal ions contain any counterions.
  • the polymeric deposits are free of metal ions and due to high molecular weight and in the fuel little or insoluble organic material.
  • FIG. 1 shows the sequence of a one-hour engine test cycle according to CEC F-098-08.
  • a fuel or lubricant additive in particular diesel fuel additive.
  • K, Zn, Ca and / or Na powerloss Use according to one of the embodiments as an additive for minimizing the power loss due to K, Zn, Ca and / or Na ions (so-called K, Zn, Ca or Na powerloss).
  • injection systems such as in particular the Internal Diesel Injector Deposits (IDID) and / or valve sticking in direct injection diesel engines, especially in common rail injection systems.
  • IDID Internal Diesel Injector Deposits
  • the fuel is selected from diesel fuels, biodiesel fuels, gasoline fuels, and alkanol-containing gasolines.
  • Additive concentrate containing in combination with other diesel or petrol additives or lubricant additives at least one polymer, on a statistical average
  • the polymers for use according to the invention are regular, random or block polymers which are available on a statistical average
  • the polymers according to the invention preferably have a solubility in toluene at 20 ° C. of at least 5 g / 100 ml, more preferably of at least 7.5 g / 100 ml and most preferably of at least 10 g / 100 ml.
  • the polymers have more than four, preferably more than five, more preferably more than eight and very particularly preferably more than ten repeat units of the basic monomers, in the case of copolymers more than two repeat units of each parent monomer, preferably more as three, more preferably more than four and most preferably more than five.
  • the acid groups are, for example, carboxyl groups, sulfonic acid groups or phosphonic acid groups, preferably carboxyl groups.
  • the number of acid groups per polymer chain is on statistical average preferably at least 5, particularly preferably at least 6, very particularly preferably at least 7 and in particular at least 8 acid groups per polymer chain.
  • the upper limit of the number of acid groups per polymer chain is on statistical average preferably 50, more preferably 40, most preferably 30 and especially 26 acid groups per polymer chain.
  • the polymer may have further functional groups, for example oxygen-containing functional groups, preferably carbonate groups, ether groups or ester groups, or nitrogen-containing functional groups, preferably urea groups, urethane groups, amino groups or amide groups.
  • oxygen-containing functional groups preferably carbonate groups, ether groups or ester groups
  • nitrogen-containing functional groups preferably urea groups, urethane groups, amino groups or amide groups.
  • Oxygen-containing functional groups are understood as meaning those functional groups which contain no heteroatoms other than oxygen atoms.
  • the term "nitrogen-containing functional groups” refers to those functional groups which contain no heteroatoms other than nitrogen atoms and optionally oxygen atoms.
  • the polymers preferably contain not more than 5, more preferably not more than 4, very preferably not more than 3, in particular not more than 2 and especially not more than one functional group other than oxygen-containing functional groups and nitrogen-containing functional groups per polymer chain.
  • the polymers preferably contain not more than 5, more preferably not more than 4, very preferably not more than 3, in particular not more than 2 and especially not more than one other nitrogen-containing functional group per polymer chain than amino groups, urea, urethane or amide groups.
  • the polymers contain not more than 2, more preferably not more than 1 and in particular no amino groups per polymer chain.
  • the polymers contain not more than 10, more preferably not more than 8, in particular not more than 6 and especially not more than four urea, urethane or amide groups per polymer chain.
  • the polymers preferably contain not more than 4, more preferably not more than 3, very preferably not more than 2, in particular not more than 1 and especially no other oxygen-containing functional group per polymer chain as carbonate groups, ether groups or ester groups.
  • the number of carbonate, ether and / or ester groups per polymer chain, especially of the ester groups per polymer chain, is less relevant according to the invention as long as the required ratio of carbon atoms per acid group is maintained at the same time.
  • the polymers contain not more than 20, more preferably not more than 15, most preferably not more than 10 and in particular not more than 5 ether groups per polymer chain.
  • the polymers contain not more than 50, more preferably not more than 40, most preferably not more than 30 and in particular not more than 26 carbonate or ester groups per polymer chain. In a further equally preferred embodiment, the polymers contain not more than 4, more preferably not more than 3, very preferably not more than 2, in particular not more than 1 and especially no ester groups per polymer chain.
  • the ratio of carbon atoms in the polymer per acid group is defined as the total number of carbon atoms per polymer chain divided by the acid groups per polymer chain on a statistical average. Both quantities can be determined from the monomers used and the molecular weight determined by gel permeation chromatography (with tetrahydrofuran and polystyrene as standard) and from the monomers used in the polymerization.
  • the lower limit of the ratio of carbon atoms in the polymer per acid group is preferably at least 8, particularly preferably at least 9, very particularly preferably at least 10, in particular at least 1 and especially at least 12.
  • the upper limit of the ratio of carbon atoms in the polymer per acid group is preferably up to 33, particularly preferably up to 31, very particularly preferably up to 29, in particular up to 27 and especially up to 25.
  • the stated ratio of carbon atoms in the polymer per acid group causes on the one hand a good solubility in fuels.
  • the polymers additionally have an acid number of from 80 to 320, preferably from 90 to 300, particularly preferably from 95 to 290 mg KOH / g, determined by potentiographic titration with 0.5 molar aqueous hydrochloric acid after heating in 0.5 for 3 hours molar ethanolic potassium hydroxide solution.
  • the polymers furthermore preferably have a solubility in toluene at 20 ° C. of preferably at least 5 g / 100 ml, more preferably at least 7.5 g / 100 ml and most preferably at least 10 g / 100 ml.
  • the polymer generally has a weight-average molecular weight Mw of from 0.5 to 20 kDa, preferably from 0.6 to 15, more preferably from 0.7 to 7, very particularly preferably from 1 to 7 and in particular from 1.5 to 5 kDa ( determined by gel permeation chromatography with tetrahydrofuran and polystyrene as standard).
  • the number average molecular weight Mn is usually from 0.5 to 10 kDa, preferably from 0.6 to 5, particularly preferably from 0.7 to 4, very particularly preferably from 0.8 to 3 and in particular from 1 to 2 kDa (determined by gel permeation chromatography with tetrahydrofuran and polystyrene as standard).
  • the polymers contain a high proportion of adjacent carboxylic acid groups as determined by an adjuvant measurement.
  • a sample of the polymer is tempered for 30 minutes at a temperature of 290 ° C. between two Teflon films and a FTIR spectrum is recorded at a bubble-free location. From the spectra obtained, the IR spectrum of Teflon is subtracted, determines the layer thickness and determines the content of cyclic anhydride.
  • the adjacency is at least 10%, preferably at least 15%, particularly preferably at least 20%, very particularly preferably at least 25% and in particular at least 30%.
  • the fuel additized with the polymer according to the invention is a gasoline fuel or, in particular, a middle distillate fuel, especially a diesel fuel.
  • the fuel may contain other conventional additives to improve the effectiveness and / or wear suppression.
  • the polymers described are used in the form of fuel additive mixtures, together with customary additives:
  • these are primarily conventional detergent additives, carrier oils, cold flow improvers, lubricity improvers, corrosion inhibitors other than the described polymers, demulsifiers, dehazers, defoamers, cetane improvers, combustion improvers, antioxidants or stabilizers, antistatic agents, metal - Locene, metal deactivators, dyes and / or solvents.
  • Another object of the invention is the use of polymers, on a statistical average
  • additive packages containing at least one additive selected from the group consisting of detergent additives, carrier oils, cold flow improvers, lubricity improvers, corrosion inhibitors other than the described polymers, demulsifiers, dehazers, antifoaming agents, cetane improvers, combustion improvers, antioxidants, stabilizers, antistatic agents, Metallocenes, metal deactivators, dyes and solvents, for reducing the fuel consumption of direct injection diesel engines, in particular diesel engines with common rail injection systems and / or for minimizing powerloss in direct injection diesel engines, especially in diesel engines with common rail injection systems , In the case of gasoline fuels, these are primarily lubricity modifiers (friction modifiers), corrosion inhibitors other than the polymers described, demulsifiers, dehazers, Antifoaming agents, combustion improvers, antioxidants or stabilizers, antistatic agents, metallocenes, metal deactivators, dyes and / or solvents.
  • additives selected from the group consisting of detergent additives,
  • Another object of the invention is the use of polymers, on a statistical average
  • additive packages containing at least one additive selected from the group consisting of friction modifiers, corrosion inhibitors other than the polymers described, demulsifiers, dehazers, antifoams, combustion improvers, antioxidants, stabilizers, antistatic agents, metallocenes, metal deactivators, dyes and solvents, for reducing deposits in the intake system of a gasoline engine, in particular DISI and PFI (Port Fuel Injector) engines.
  • DISI and PFI Port Fuel Injector
  • the usual detergent additives are preferably amphiphilic substances which have at least one hydrophobic hydrocarbon radical having a number-average molecular weight (M n ) of from 85 to 20 000 and at least one polar group selected from:
  • the hydrophobic hydrocarbon radical in the above detergent additives which provides sufficient solubility in the fuel has a number average molecular weight (M n ) of from 85 to 20,000, preferably from 13 to 10,000, more preferably from 300 to 5,000, more preferred from 300 to 3,000, more preferably from 500 to 2,500 and in particular from 700 to 2,500, especially from 800 to 1,500.
  • M n number average molecular weight
  • a typical hydrophobic hydrocarbon radical in particular in conjunction with the polar in particular polypropenyl, polybutenyl and polyisobutenyl radicals having a number average Molecular weight M n of preferably in each case 300 to 5,000, particularly preferably 300 to 3,000, more preferably 500 to 2,500, even more preferably 700 to 2,500 and in particular 800 to 1,500.
  • Such additives based on highly reactive polyisobutene which may contain from the polyisobutene, which may contain up to 20% by weight of n-butene units, by hydroformylation and reductive amination with ammonia, monoamines or polyamines, such as dimethylaminopropylamine, ethylenediamine, diethylenetriamine, triethylenetetramine or tetraethylenepentamine, are known in particular from EP-A 244 616.
  • Further special monoamino (Da) -containing additives are the compounds obtained from polyisobutene epoxides by reaction with amines and subsequent dehydration and reduction of the amino alcohols, as described in particular in DE-A 196 20 262.
  • these reaction products are mixtures of pure nitropolyisobutenes (for example ⁇ , ⁇ -dinitropolyisobutene) and mixed hydroxynitropolyisobutenes (for example ⁇ -nitro- ⁇ -hydroxy polyisobutene).
  • Carboxyl groups or their alkali metal or alkaline earth metal salts (Dd) containing additives are preferably copolymers of C2 to C4o-olefins with maleic anhydride having a total molecular weight of 500 to 20,000, their carboxyl groups wholly or partly to the alkali metal or alkaline earth metal salts and a remaining Rest of the carboxyl groups are reacted with alcohols or amines.
  • Such additives are known in particular from EP-A 307 815.
  • Such additives are mainly used to prevent valve seat wear and, as described in WO-A 87/01 126, can be advantageously used in combination with conventional fuel detergents such as poly (iso) -butene amines or polyetheramines.
  • Additives containing sulfonic acid groups or their alkali metal or alkaline earth metal salts are preferably alkali metal or alkaline earth metal salts of a sulfosuccinic acid alkyl ester, as described in particular in EP-A 639 632.
  • Such additives are primarily for preventing valve seat wear and can be used to advantage in combination with conventional fuel detergents such as poly (iso) buteneamines or polyetheramines.
  • Polyoxy-C2-C4-alkylene (Df) containing additives are preferably polyether or polyetheramines, which by reaction of C2 to C6o-alkanols, C6 to C30 alkanediols, mono- or D1-C2 to C3o-alkylamines, Cr to C3o-alkylcyclo-hexanols or C1- to C3o-alkylphenols with 1 to 30 mol of ethylene oxide and / or propylene oxide and / or butylene oxide per hydroxyl group or amino group and, in the case of polyetheramines, by subsequent reductive amination with ammonia, monoamines or polyamines are available.
  • Such products are described in particular in EP-A 310 875, EP-A 356 725, EP-A 700 985 and US-A 4,877,416.
  • polyethers such products also fulfill carrier oil properties. shadow.
  • Typical examples thereof are tridecanol or isotridecanol butoxylates, isononylphenol butoxylates and also polyisobutenol butoxylates and propoxylates, and the corresponding reaction products with ammonia.
  • Carboxyl ester groups (Dg) -containing additives are preferably esters of mono-, di- or tricarboxylic acids with long-chain alkanols or polyols, especially those having a minimum viscosity of 2 mm 2 / s at 100 ° C, as described in particular in DE-A 38 38 918 are described.
  • mono-, di- or tricarboxylic acids it is possible to use aliphatic or aromatic acids, especially suitable ester alcohols or polyols are long-chain representatives of, for example, 6 to 24 carbon atoms.
  • esters are adipates, phthalates, isophthalates, terephthalates and trimellitates of iso-octanol, iso-nonanol, iso-decanol and of isotridecanol. Such products also meet carrier oil properties.
  • the groups having hydroxyl and / or amino and / or amido and / or imido groups are, for example, carboxylic acid groups, acid amides of monoamines, acid amides of diamines or polyamines which, in addition to the amide function, still have free amine groups, succinic acid derivatives with an acid and an amide function, carboximides with monoamines, carboximides with di- or polyamines which, in addition to the imide function, still have free amine groups, or diimides which are formed by reacting di- or polyamines with two succinic acid derivatives.
  • Such fuel additives are well known and described, for example, in documents (1) and (2).
  • reaction products of alkyl- or alkenyl-substituted succinic acids or derivatives thereof with amines and particularly preferably to the reaction products of polyisobutenyl-substituted succinic acids or derivatives thereof with amines.
  • reaction products with aliphatic polyamines polyalkyleneimines
  • ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine and hexaethyleneheptamine which have an imide structure.
  • the compounds according to the invention can be combined with quaternized compounds, as described in WO 2012/004300, there preferably page 5, line 18 to page 33, line 5, particularly preferably of preparation example 1, which hereby expressly by reference in each case part of present disclosure.
  • the compounds according to the invention can be combined with quaternized compounds as described in unpublished International Application with the file reference PCT / EP2014 / 061834 and the filing date 6 June 2014, there preferably page 5, line 21 to page 47, line 34, more preferably Preparation Examples 1 to 17.
  • the compounds according to the invention can be combined with quaternized compounds as described in WO 1 1/95819 A1, there preferably page 4, line 5 to page 13, line 26, particularly preferably preparation example 2.
  • the compounds according to the invention can be combined with quaternized compounds as described in WO 1 1/1 10860 A1, there preferably page 4, line 7 to page 16, line 26, particularly preferably the preparation examples 8, 9, 1 1 and 13.
  • the compounds according to the invention can be combined with quaternized compounds as described in WO 06/135881 A2, there preferably page 5, line 14 to page 12, line 14, particularly preferably examples 1 to 4.
  • the compounds according to the invention can be combined with quaternized compounds as described in WO 10/132259 A1, there preferably page 3, line 29 to page 10, line 21, particularly preferably example 3.
  • the compounds according to the invention can be combined with quaternized compounds as described in WO 08/060888 A2, there preferably page 6, line 15 to page 14, line 29, particularly preferably examples 1 to 4.
  • the compounds according to the invention can be combined with quaternized compounds as described in GB 2496514 A, there preferably paragraphs [00012] to [00039], particularly preferably examples 1 to 3.
  • the compounds according to the invention can be combined with quaternized compounds as described in WO 2013 070503 A1, there preferably paragraphs [0001 1] to [00039], particularly preferably examples 1 to 5.
  • Mannich reaction of substituted phenols with aldehydes and mono- or polyamines generated moieties containing (di) additives are preferably implementation pro compounds of polyisobutene-substituted phenols with formaldehyde and mono- or polyamines such as ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine or dimethylaminopropylamine.
  • One or more of said detergent additives may be added to the fuel in such an amount that the metering rate of these detergent additives is preferably from 25 to 2500 ppm by weight, in particular from 75 to 1500 ppm by weight, especially from 150 to 1000% by weight . ppm.
  • Co-used carrier oils may be mineral or synthetic.
  • Suitable mineral carrier oils are fractions obtained in petroleum processing, such as bright stock or base oils with viscosities such as from class SN 500 to 2000, but also aromatic hydrocarbons, paraffinic hydrocarbons and alkoxyalkanols. It is also useful as a "hydrocrack oil” known and obtained in the refining of mineral oil fraction (Vakuumdestillatites with a boiling range of about 360 to 500 ° C, available from high pressure catalytically hydrogenated and isomerized and dewaxed natural mineral oil). Also suitable are mixtures of the abovementioned mineral carrier oils.
  • suitable synthetic carrier oils are polyolefins (polyalphaolefins or polyternal olefins), (poly) esters, poly) alkoxylates, polyethers, aliphatic polyetheramines, alkylphenol-initiated polyethers, alkylphenol-initiated polyetheramines and carboxylic acid esters of long-chain alkanols.
  • suitable polyethers or polyetheramines are preferably compounds containing polyoxy-C 2 - to C 4 -alkylene groups which are prepared by reacting C 2 - to C 60 -alkanols, C 6 - to C 3 -alkanediols, mono- or C 1 - to C 20 -alkylamines, C 1 to C 30 -alkylcyclohexanols or C 1 to C 30 -alkylphenols with 1 to 30 mol of ethylene oxide and / or propylene oxide and / or butylene oxide per hydroxyl group or amino group and, in the case of polyetheramines, by subsequent reductive amination with ammonia, monoamines or polyamines are available.
  • P0IV-C2 to C6 alkylene oxide amines or functional derivatives thereof may be used as the polyether amines.
  • Typical examples thereof are tridecanol or isotridecanol butoxylates, isononylphenol butoxylates and also polyisobutenol butoxylates and propoxylates, and the corresponding reaction products with ammonia.
  • carboxylic acid esters of long-chain alkanols are, in particular, esters of mono-, di- or tricarboxylic acids with long-chain alkanols or polyols, as described in particular in DE-A 38 38 918.
  • mono-, di- or tricarboxylic acids it is possible to use aliphatic or aromatic acids, especially suitable ester alcohols or polyols are long-chain representatives having, for example, 6 to 24 carbon atoms.
  • suitable representatives of the esters are adipates, phthalates, isophthalates, terephthalates and trimellitates of isooctanol, isononanol, isodecanol and of isotridecanol, eg. B. di- (n- or isotridecyl) phthalate.
  • particularly suitable synthetic carrier oils are alcohol-started polyethers having about 5 to 35, preferably about 5 to 30, particularly preferably 10 to 30 and in particular 15 to 30 C3 to C6 alkylene oxide units, for.
  • suitable starter alcohols are long-chain alkanols or long-chain alkyl-substituted phenols, where the long-chain alkyl radical is in particular a straight-chain or branched C 6 - to C 18 -alkyl radical.
  • Specific examples include tridecanol and nonylphenol.
  • Particularly preferred alcohol-started polyethers are the reaction products (polyetherification products) of monohydric C6- to Cis-aliphatic alcohols with C3- to C6-alkylene oxides.
  • monohydric C6-C8 aliphatic alcohols are hexanol, heptanol, octanol, 2-ethylhexanol, nonyl alcohol, decanol, 3-propylheptanol, undecanol, dodecanol, tridecanol, tetradecanol, pentadecanol, hexadecanol, octadecanol and their constitution and position isomers.
  • the alcohols can be used both in the form of pure isomers and in the form of technical mixtures.
  • a particularly preferred alcohol is tridecanol.
  • C3 to C6 alkylene oxides are propylene oxide, such as 1, 2-propylene oxide, butylene oxide, such as 1, 2-butylene oxide, 2,3-butylene oxide, isobutylene oxide or tetrahydrofuran, pentylene oxide and hexylene oxide.
  • Particularly preferred among these are C3 to C4 alkylene oxides, i.
  • Propylene oxide such as 1, 2-propylene oxide and butylene oxide such as 1, 2-butylene oxide, 2,3-butylene oxide and isobutylene oxide.
  • butylene oxide is used.
  • suitable synthetic carrier oils are alkoxylated alkylphenols, as described in DE-A 10 102 913.
  • Particular carrier oils are synthetic carrier oils, the alcohol-initiated polyethers described above being particularly preferred.
  • the carrier oil or the mixture of different carrier oils is added to the fuel in an amount of preferably from 1 to 1000 ppm by weight, more preferably from 10 to 500 ppm by weight and in particular from 20 to 100 ppm by weight.
  • cold flow improvers are in principle all organic compounds which are able to improve the flow behavior of middle distillate fuels or diesel fuels in the cold. Conveniently, they must have sufficient oil solubility.
  • middle distillates of fossil origin ie for conventional mineral diesel fuels
  • used cold flow improvers (“middle distillate flow improvers", "MDFI") come into consideration.
  • MDFI middle distillate flow improvers
  • WASA wax anti-settling additive
  • WASA wax anti-settling additive
  • the cold flow improver is selected from:
  • Suitable C 2 - to C 4 -olefin monomers for the copolymers of class (K1) are, for example, those having 2 to 20, in particular 2 to 10 carbon atoms and having 1 to 3, preferably 1 or 2, in particular a carbon-carbon double pelitati. In the latter case, the carbon-carbon double bond can be arranged both terminally ( ⁇ -olefins) and internally.
  • ⁇ -olefins particularly preferably olefins having 2 to 6 carbon atoms, for example propene, 1-butene, 1-pentene, 1-hexene and, above all, ethylene.
  • the at least one further ethylenically unsaturated monomer is preferably selected from carboxylic alkenyl esters, (meth) acrylic esters and further olefins.
  • further olefins are polymerized in, these are preferably higher molecular weight than the abovementioned C 2 - to C 4 -olefin base monomers. If, for example, ethylene or propene is used as the olefin base monomer, suitable further olefins are, in particular, C 10 - to C 40 -alpha-olefins. Other olefins are polymerized in most cases only when monomers with carboxylic acid ester functions are used.
  • Suitable (meth) acrylic esters are, for example, esters of (meth) acrylic acid with C 1 - to C 20 -alkanols, in particular C 1 -C 10 -alkanols, especially with methanol, ethanol, propanol, isopropanol, n-butanol, sec-butanol, isobutanol , tert-butanol, pentanol, hexanol, heptanol, octanol, 2-ethylhexanol, nonanol and decanol, and structural isomers thereof.
  • Suitable carboxylic acid alkenyl esters are, for example, C2 to C-u-alkenyl esters, e.g. the vinyl and propenyl esters of carboxylic acids having from 2 to 21 carbon atoms, the hydrocarbon radical of which may be linear or branched. Preferred among these are the vinyl esters.
  • carboxylic acids having a branched hydrocarbon radical preference is given to those whose branching is in the ⁇ -position relative to the carboxyl group, the ⁇ -carbon atom being particularly preferably tertiary, ie. H. the carboxylic acid is a so-called neocarboxylic acid.
  • the hydrocarbon radical of the carboxylic acid is linear.
  • alkenyl carboxylic acid esters examples include vinyl acetate, vinyl propionate, vinyl butyrate, vinyl 2-ethylhexanoate, vinyl neopentanoate, vinyl hexanoate, vinyl neononanoate, vinyl neodecanoate and the corresponding propenyl esters, the vinyl esters being preferred.
  • a particularly preferred carboxylic acid alkenyl ester is vinyl acetate; typical resulting copolymers of group (K1) are the most commonly used ethylene-vinyl acetate copolymers ("EVA").
  • Suitable copolymers of class (K1) are also those which contain two or more mutually different carboxylic acid alkenyl esters in copolymerized form, these differing in the alkenyl function and / or in the carboxylic acid group. Also suitable are copolymers which, in addition to the carboxylic acid alkenyl ester (s), contain at least one olefin and / or at least one (meth) acrylic acid ester in copolymerized form.
  • terpolymers of a C2 to C4o- ⁇ -olefin, a C to C2o-alkyl ester of an ethylenically unsaturated monocarboxylic acid having 3 to 15 carbon atoms and a C2 to C14 alkenyl ester of a saturated monocarboxylic acid having 2 to 21 carbon atoms are copolymers of the Class (K1) suitable.
  • Such terpolymers are described in WO 2005/054314.
  • a typical such terpolymer is composed of ethylene, 2-ethylhexyl acrylate and vinyl acetate.
  • the at least one or the other ethylenically unsaturated monomers are present in the copolymers of class (K1) in an amount of preferably from 1 to 50% by weight, in particular from 10 to 45% by weight and especially from 20 to 40% by weight .-%, based on the total copolymer, copolymerized.
  • the majority by weight of the monomer units in the copolymers of class (K1) thus usually comes from the C2 to C4o-based olefins.
  • the copolymers of class (K1) preferably have a number average molecular weight M n of from 1000 to 20,000, particularly preferably from 1000 to 10,000 and in particular from 1000 to 8000.
  • Typical comb polymers of component (K2) are, for example, by the copolymerization of maleic anhydride or fumaric acid with another ethylenically unsaturated monomer, for example with an ⁇ -olefin or an unsaturated ester such as vinyl acetate, and subsequent esterification of the anhydride or acid function with an alcohol having at least 10 carbon atoms available.
  • Other suitable comb polymers are copolymers of olefins and esterified comonomers, for example esterified copolymers of styrene and maleic anhydride or esterified copolymers of styrene and fumaric acid.
  • Suitable comb polymers may also be polyfumarates or polymaleinates.
  • homopolymers and copolymers of vinyl ethers are suitable comb polymers.
  • Comb polymers suitable as a component of class (K2) are, for example, those described in WO 2004/035715 and in "Comb-Like Polymers, Structure and Properties", NA Plate and VP Shibaev, J. Poly. Be. Macromolecular Revs. 8, pages 1 17 to 253 (1974). "Mixtures of comb polymers are also suitable.
  • Polyoxyalkylenes suitable as a component of class (K3) are, for example, polyalkylene esters, polyoxyalkylene ethers, mixed polyoxyalkylene ester ethers and mixtures thereof. These polyoxyalkylene compounds preferably contain at least one, preferably at least two, linear alkyl groups each having from 10 to 30 carbon atoms and a polyoxyalkylene group having a number average molecular weight of up to 5,000. Such polyoxyalkylene compounds are described, for example, in EP-A 061 895 and in US Pat. No. 4,491,455 described. Particular polyoxyalkylene compounds are based on polyethylene glycols and polypropylene glycols having a number average molecular weight of 100 to 5000.
  • Polar nitrogen compounds suitable as a component of class (K4) may be of both ionic and nonionic nature, and preferably have at least one, especially at least two, tertiary nitrogen substituent of the general formula> NR 7 , wherein R 7 is Cs to C 40 Hydrocarbon residue stands.
  • the nitrogen substituents may also be quaternized, ie in cationic form.
  • nitrogen compounds are ammonium salts and / or amides obtainable by reacting at least one amine substituted with at least one hydrocarbon radical with a carboxylic acid having 1 to 4 carboxyl groups or with a suitable derivative thereof.
  • the amines contain at least one linear Cs to C4o-alkyl radical.
  • suitable primary amines for the preparation of said polar nitrogen compounds are octylamine, nonylamine, decylamine, undecylamine, dodecylamine, tetradecylamine and the higher linear homologues
  • suitable secondary amines for this purpose are, for example, dioctadecylamine and methylbehenylamine.
  • amine mixtures in particular industrially available amine mixtures, such as fatty amines or hydrogenated tallamines, as they are known.
  • Suitable acids for the reaction are, for example, cyclohexane-1,2-dicarboxylic acid, cyclohexene-1,2-dicarboxylic acid, cyclopentane-1,2-dicarboxylic acid, naphthalenedicarboxylic acid, phthalic acid, isophthalic acid, terephthalic acid and succinic acids substituted by long-chain hydrocarbon radicals.
  • the component of class (K4) is an oil-soluble reaction product of at least one tertiary amino group-containing poly (C 2 - to C 20 -carboxylic acids) with primary or secondary amines.
  • the poly (C 2 - to C 20 -carboxylic acids) which have at least one tertiary amino group and are based on this reaction product preferably contain at least 3 carboxyl groups, in particular 3 to 12, especially 3 to 5, carboxyl groups.
  • the carboxylic acid units in the polycarboxylic acids preferably have 2 to 10 carbon atoms, in particular they are acetic acid units.
  • the carboxylic acid units are suitably linked to the polycarboxylic acids, usually via one or more carbon and / or nitrogen atoms. Preferably, they are attached to tertiary nitrogen atoms, which are connected in the case of several nitrogen atoms via hydrocarbon chains.
  • the component of the class (K4) is preferably an oil-soluble reaction product based on poly (C 2 - to C 20 -carboxylic acids) having the general formula IIa or IIb and having at least one tertiary amino group
  • variable A is a straight-chain or branched C 2 - to C 6 -alkylene group or the grouping of the formula III
  • CH 2 -CH 2 - and the variable B denotes a C to Cig-alkylene group.
  • the compounds of the general formula IIa and IIb have in particular the properties of a WASA.
  • the preferred oil-soluble reaction product of component (K4) in particular that of general formula IIa or IIb, is an amide, an amide ammonium salt or an ammonium salt in which no, one or more carboxylic acid groups are converted into amide groups.
  • Straight-chain or branched C 2 - to C 6 -alkylene groups of the variable A are, for example, 1, 1-ethylene, 1, 2-propylene, 1, 3-propylene, 1, 2-butylene, 1, 3-butylene, 1, 4-butylene ethylene, 2-methyl-1,3-propylene, 1,5-pentylene, 2-methyl-1,4-butylene, 2,2-dimethyl-1,3-propylene, 1,6-hexylene (hexa-1-propylene), methylene) and in particular 1, 2-ethylene.
  • the variable A preferably comprises 2 to 4, in particular 2 or 3, carbon atoms.
  • Cr to Ci9-alkylene groups of the variable B are, for example, 1, 2-ethylene, 1, 3-propylene, 1, 4-butylene, hexamethylene, octamethylene, decamethylene, dodecamethylene, Tetradecamethyl- en, hexadecamethylene, octadecamethylene, Nonadecamethylen and especially methylene.
  • the variable B comprises 1 to 10, in particular 1 to 4, carbon atoms.
  • the primary and secondary amines as reaction partners for the polycarboxylic acids to form the component (K4) are usually monoamines, in particular aliphatic monoamines. These primary and secondary amines may be selected from a variety of amines carrying hydrocarbon radicals, optionally linked together.
  • amines which are the oil-soluble reaction products of component (K4) are secondary amines and have the general formula HN (R 8 ) 2 in which the two variables R 8 independently of one another each represent straight-chain or branched C 10 - to C 30 -alkyl radicals, in particular C 14 - to C24-alkyl radicals mean.
  • These longer-chain alkyl radicals are preferably straight-chain or only slightly branched.
  • the abovementioned secondary amines are derived, with regard to their longer-chain alkyl radicals, from naturally occurring fatty acids or from their derivatives.
  • the two radicals R 8 are the same.
  • the abovementioned secondary amines can be bound to the polycarboxylic acids by means of amide structures or in the form of the ammonium salts, and only one part can be present as amide structures and another part as ammonium salts. Preferably, only a few or no free acid groups are present. Preferably, the oil-soluble reaction products of component (K4) are completely in the form of the amide structures.
  • Typical examples of such components (K4) are reaction products of nitrilotriacetic acid, ethylenediaminetetraacetic acid or propylene-1,2-diaminetetraacetic acid with in each case 0.5 to 1.5 mol per carboxyl group, in particular 0.8 to 1.2 mol per carboxyl group, dioleylamine, dipalmitinamine, dicoco fatty amine, distearylamine, dibehenylamine or especially ditallow fatty amine.
  • a particularly preferred component (K4) is the reaction product of 1 mole of ethylenediaminetetraacetic acid and 4 moles of hydrogenated ditallow fatty amine.
  • component (K4) are the N, N-dialkylammonium salts of 2-N ', N'-dialkylamidobenzoates, for example the reaction product of 1 mol of phthalic anhydride and 2 mol of ditallow fatty amine, the latter hydrogenated or unhydrogenated and the reaction product of 1 mole of an alkenyl spiro-bis-lactone with 2 moles of a dialkylamine, while For example, Ditalgfettamin and / or tallow fatty amine, the latter two may be hydrogenated or not hydrogenated, called.
  • component of the class (K4) are cyclic compounds with tertiary amino groups or condensates of long-chain primary or secondary amines with carboxylic acid-containing polymers, as described in WO 93/181 15.
  • Sulfocarboxylic acids, sulfonic acids or their derivatives which are suitable as cold flow improvers of the component of class (K5) are, for example, the oil-soluble carboxamides and carboxylic acid esters of ortho-sulfobenzoic acid in which the sulfonic acid function is present as sulfonate with alkyl-substituted ammonium cations, as described in EP-A 261 957 are described.
  • suitable poly (meth) acrylic acid esters are both homo- and copolymers of acrylic and methacrylic acid esters.
  • Preferred are copolymers of at least two mutually different (meth) acrylic acid esters, which differ with respect to the fused alcohol.
  • the copolymer contains a further, different of which olefinically unsaturated monomer copolymerized.
  • the weight-average molecular weight of the polymer is preferably 50,000 to 500,000.
  • a particularly preferred polymer is a copolymer of methacrylic acid and methacrylic acid esters of saturated C14 and Cis alcohols wherein the acid groups are neutralized with hydrogenated talla- min.
  • Suitable poly (meth) acrylic esters are described, for example, in WO 00/44857.
  • the middle distillate fuel or diesel fuel is the cold flow improver or the mixture of various cold flow improvers in a total amount of preferably 10 to 5000 ppm by weight, more preferably from 20 to 2000 ppm by weight, more preferably from 50 to 1000 ppm by weight and in particular from 100 to 700 ppm by weight, for example from 200 to 500 ppm by weight, added.
  • Suitable lubricity improvers are usually based on fatty acids or fatty acid esters. Typical examples are tall oil fatty acid, as described for example in WO 98/004656, and glycerol monooleate.
  • the reaction products of natural or synthetic oils, for example triglycerides, and alkanolamines described in US Pat. No. 6,743,266 B2 are also suitable as such lubricity improvers. B5) Other corrosion inhibitors than the described polymer
  • Suitable corrosion inhibitors are, for example, succinic esters, especially with polyols, fatty acid derivatives, for example oleic acid esters, oligomerized fatty acids, substituted ethanolamines and pro- products sold under the trade name RC 4801 (Rhein Chemie Mannheim, Germany), Irgora® L12 (BASF SE) or HiTEC 536 (Ethyl Corporation).
  • succinic esters especially with polyols, fatty acid derivatives, for example oleic acid esters, oligomerized fatty acids, substituted ethanolamines and pro- products sold under the trade name RC 4801 (Rhein Chemie Mannheim, Germany), Irgora® L12 (BASF SE) or HiTEC 536 (Ethyl Corporation).
  • Suitable demulsifiers are e.g. the alkali or alkaline earth salts of alkyl-substituted phenol and naphthalene sulfonates and the alkali or alkaline earth salts of fatty acids, as well as neutral compounds such as alcohol alkoxylates, e.g. Alcohol ethoxylates, phenol alkoxylates, e.g. tert-butylphenolethoxylate or tert-pentylphenolethoxylate, fatty acids, alkylphenols, condensation products of ethylene oxide (EO) and propylene oxide (PO), e.g. also in the form of E07PO block copolymers, polyethyleneimines or polysiloxanes.
  • EO ethylene oxide
  • PO propylene oxide
  • Dehazers Suitable dehazers are e.g. alkoxylated phenol-formaldehyde condensates such as the NALCO 7D07 (Nalco) and TOLAD 2683 (Petrolite) products available under the tradename.
  • Suitable antifoams are e.g. Polyether-modified polysiloxanes such as the TEGOPREN 5851 (Goldschmidt), Q 25907 (Dow Corning) and RHODOSIL (Rhone Poulenc) products available under the tradename. B9) Cetane number improver
  • Suitable cetane number improvers are e.g. aliphatic nitrates such as 2-ethylhexyl nitrate and cyclohexyl nitrate, and peroxides such as di-tert-butyl peroxide.
  • aliphatic nitrates such as 2-ethylhexyl nitrate and cyclohexyl nitrate
  • peroxides such as di-tert-butyl peroxide.
  • Suitable antioxidants are e.g. substituted phenols such as 2,6-di-tert-butylphenol and 6-di-tert-butyl-3-methylphenol and phenylenediamines such as N, N'-di-sec-butyl-p-phenylenediamine.
  • B1 Metal deactivators
  • Suitable metal deactivators are e.g. Salicylic acid derivatives such as N, N'-disalicylidene-1,2-propanediamine.
  • Suitable are, for example, nonpolar organic solvents such as aromatic and aliphatic hydrocarbons, for example toluene, xylenes, "white spirit" and products which are sold under the trade name SHELLSOL (Royal Dutch / Shell Group) and EXXSOL (ExxonMobil) are sold as well as polar organic solvents, for example alcohols such as 2-ethylhexanol, decanol and isotridecanol.
  • solvents usually enter the diesel fuel together with the abovementioned additives and co-additives, which they are intended to dissolve or dilute for better handling.
  • the additive of the invention is outstandingly suitable as a fuel additive and can be used in principle in any fuels. It has a number of beneficial effects on the operation of internal combustion engines with fuels.
  • the quaternized additive according to the invention is preferably used in middle distillate fuels, in particular diesel fuels.
  • the present invention therefore also fuels, especially middle distillate fuels, with an effective as an additive to achieve beneficial effects in the operation of internal combustion engines, such as diesel engines, especially direct injection diesel engines, especially of diesel engines with common rail injection systems, effective content on the quaternized additive according to the invention.
  • This effective content is generally from 10 to 5000 ppm by weight, preferably from 20 to 1500 ppm by weight, in particular from 25 to 1000 ppm by weight, especially from 30 to 750 ppm by weight, each based on the total amount of fuel.
  • Middle distillate fuels such as diesel fuels or fuel oils
  • mineral middle distillate fuels or diesel fuels obtainable by refining, those which are obtained by coal gasification or gas liquefaction [GTL] or by biomass liquefaction [BTL], Fuels] are available, suitable. Also suitable are mixtures of the abovementioned middle distillate fuels or diesel fuels with regenerative fuels, such as biodiesel or bioethanol.
  • regenerative fuels such as biodiesel or bioethanol.
  • the qualities of fuel oils and diesel fuels are specified in greater detail in, for example, DIN 51603 and EN 590 (cf., also, Ullmann's Encyclopedia of Industrial Chemistry, 5th Edition, Volume A12, page 617 et seq.).
  • the quaternized additive according to the invention can also be used in mixtures of such middle distillates with biofuel oils (biodiesel).
  • biofuel oils biodiesel
  • such mixtures are also encompassed by the term "middle distillate fuel”. They are commercially available and usually contain the biofuel oils in minor amounts, typically in amounts of 1 to 30 wt .-%, in particular from 3 to 10 wt .-%, based on the total amount of middle distillate of fossil, vegetable or animal origin and biofuel.
  • Biofuel oils are generally based on fatty acid esters, preferably substantially on alkyl esters of fatty acids derived from vegetable and / or animal oils and / or fats.
  • Alkyl esters are usually lower alkyl esters, especially C 1 to C 4 alkyl esters, understood by transesterification of occurring in vegetable and / or animal oils and / or fats glycerides, especially triglycerides, by means of lower alcohols, for example ethanol or especially methanol (“FAME ”) are available.
  • Typical lower alkyl esters based on vegetable and / or animal oils and / or fats which are used as biofuel oil or components thereof include, for example, sunflower methyl ester, palm oil methyl ester (“PME”), soybean oil methyl ester (“SME”) and especially rapeseed oil methyl ester ("RME ").
  • the middle distillate fuels or diesel fuels are particularly preferably those with a low sulfur content, ie with a sulfur content of less than 0.05% by weight, preferably less than 0.02% by weight, in particular less as 0.005 wt .-% and especially less than 0.001 wt .-% sulfur.
  • gasoline fuels are all commercially available gasoline fuel compositions into consideration.
  • a typical representative here is the market-standard basic fuel of Eurosuper according to EN 228.
  • gasoline compositions of the specification according to WO 00/47698 are also possible fields of use for the present invention.
  • the quaternized additive of the invention is particularly suitable as a fuel additive in fuel compositions, especially in diesel fuels, to overcome the gangs described problems in direct-injection diesel engines, especially in those with common-rail injection systems.
  • test methods mentioned below are part of the general disclosure of the application and are not limited to the specific exemplary embodiments.
  • the tests are based on the CEC test procedure F-098-08 Issue 5.
  • the same test setup and motor type (PEUGEOT DW10) are used as in the CEC procedure.
  • the formation of deposits inside the injector was characterized by the deviations of cylinder exhaust temperatures at the cylinder exit during cold start of the DW10 engine.
  • 1 mg / L Na of an organic acid salt, 20 mg / L dodecenylsuccinic acid and 10 mg / L of water were added to the fuel.
  • the dodecenylsuccinic acid used was obtained by hydrolysis of dodecenylsuccinic anhydride, isomeric mixture from Aldrich, CAS no. 26544-38-7. The test is performed as a dirty-up clean-up test (DU-CU).
  • DU-CU is based on the CEC Test Procedure F-098-08 Issue 5.
  • the DU - CU test consists of two separate tests that are run one behind the other.
  • the first test is for deposit formation (DU), the second for deposit removal (CU).
  • DU deposit formation
  • CU deposit removal
  • a cold start of the engine is carried out after a shutdown phase of at least eight hours followed by a 10-minute idle period.
  • the CU fuel is used to start the CU without removing and cleaning the injectors.
  • the engine will be cold-started followed by a 10-minute idle period.
  • the evaluation is done by comparing the temperature curves for the individual cylinders after a cold start of the du and the CU run.
  • the IDID test indicates internal deposit formation in the injector.
  • the characteristic used in this test is the exhaust gas temperature of the individual cylinders. With an injector system without IDID, the exhaust gas temperatures of the cylinders increase evenly. If the IDID is available, the exhaust gas temperatures of the individual cylinders do not increase uniformly and deviate from one another.
  • the temperature sensors are located behind the cylinder head outlet in the exhaust manifold. Significant deviations of individual cylinder temperatures (e.g.,> 20 ° C) indicate the presence of internal injector deposits (IDID).
  • the tests (DU and CU) are carried out with 8h running time. The one-hour test cycle from CEC F-098-08 (see FIG. 1) is passed through 8 times in each case. In the case of deviations of the individual cylinder temperatures from greater than 45 ° C to the mean value of all 4 cylinders, the test is terminated prematurely. Change and special features: Cleaned injectors were installed before each start of the DU test. The cleaning time in the ultrasonic bath at 60 ° C water + 10% Superdecontamine was 4h.
  • the copolymer had a ratio of carbon atoms per acid group of 13, the acid number was 210.8 mg KOH / g.
  • the copolymer had a ratio of carbon atoms per acid group of 13, the acid number was 210.8 mg KOH / g.
  • the copolymer had a ratio of carbon atoms per acid group of 13, the acid number was 210.8 mg KOH / g.
  • the copolymer had a ratio of carbon atoms per acid group of 13, the acid number was 210.8 mg KOH / g.
  • the compounds described in this invention are effective against the formation of deposits in direct injection engines, such as Ford DW10, when tested to CEC F-98-08, and are capable of removing the deposits formed earlier.
  • Application example 2 DW10 Na soap IDID test (clean-up)
  • the I DI D engine test was determined as a further test method, in which the exhaust gas temperatures of the cylinders at the cylinder output were determined during the cold start of the DW10 engine.
  • a direct-injection diesel engine with common rail system from the manufacturer Peugeot was used in accordance with test methods CEC F-098-08.
  • the fuel used was a commercial B7 diesel fuel according to EN 590 from Aral. To this was added in each case 1 wt ppm of sodium naphthenate and 20 wt ppm of dodecenylsuccinic acid to artificially induce the formation of deposits.
  • the test was carried out without the addition of compounds according to this invention.
  • the test was shortened to 8 hours, the CEC F-98 -08 method was performed without addition of Zn. If significant deviations from exhaust gas temperatures were observed, the test was stopped before reaching the 8 hour mark to avoid engine damage. After the dirty up run, the engine was allowed to cool and then started again and idle for 5 minutes. During these 5 minutes the engine was warmed up. The exhaust temperature of each cylinder was recorded. The smaller the differences between the detected exhaust gas temperatures, the lower the amount of IDID formed.
  • the compounds of this invention are thus very effective against IDID formation in direct injection engines such as Peugeot DW10 in a test similar to CEC F-98-08 procedure.
  • the compounds of this invention are effective against deposits caused by metals other than Zn in direct injection engines, as shown in the above Na Power loss test.
  • the compounds effectively prevent power loss and can also be used to remove scale.
  • IP 387/97 tests were performed to determine the tendency of the fuel to block a filter, determining the amount of agglomerate and small insoluble particles in the fuel.
  • fuel is conveyed through a specific glass fiber filter medium at a constant flow rate of 20 ml / min.
  • the pressure difference across the filter is tracked and the volume of fuel delivered through the filter is measured until a certain pressure difference is reached.
  • the test is terminated when either 300 ml of fuel has been filtered or the pressure difference exceeds 105 kPa. A lower pressure difference after filtration of 300 ml of fuel indicates a low tendency to block filters.
  • a fuel according to EN 590 without performance additives was used as the basic fuel.
  • the fuel was mixed with 3 mg / L sodium ions (by addition of sodium naphthenate) and 20 mg / L dodecenylsuccinic acid.
  • the base fuel, mixed with 3 mg / l sodium and 20 mg / l dodecenylsuccinic acid gave a pressure difference of 105 kPa after filtering 240 ml of fuel.
  • JFTOT Test Test for Determination of Deposition of Deposits in Fuels at Elevated Temperature
  • a fuel according to EN 590 without performance additives was used as the basic fuel.
  • the test was performed according to ASTM D3241 without prefilter. A temperature in the heating tube of 260 ° C was set, the fuel flow was 3 ml / min, the total duration was 150 min.
  • the test was terminated as soon as the pressure drop exceeded 250 mm Hg.
  • the back pressure at the end of the test or the time to reach the pressure drop of 25 mm Hg was used to determine the formation rate of deposits.
  • a low pressure drop at the end of the test or a long time to reach the value of 25 mm Hg in the test show a low tendency to form deposits.
  • the I DI D engine test was determined as a further test method, in which the exhaust gas temperature of the cylinders at the cylinder output was determined during the cold start of the DW10 engine.
  • a direct-injection diesel engine with common rail system from the manufacturer Ford was used according to test methods CEC F-098-008.
  • the fuel used was fuel DF-79-07 BATCH 7 from Garrmann.
  • the test was carried out without addition of compounds according to this invention and shortened to 8 hours, the CEC F-98-08 method was performed without the addition of zinc.
  • the engine was cooled and restarted and idled for 5 minutes. During these 5 minutes the engine was warmed up. The exhaust temperature of each cylinder was recorded. The smaller the differences between the detected exhaust gas temperatures, the lower the amount of IDID formed.

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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)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Liquid Carbonaceous Fuels (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
  • Lubricants (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Fuel-Injection Apparatus (AREA)
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PCT/EP2014/076622 WO2015113681A1 (de) 2014-01-29 2014-12-04 Polycarbonsäure-basierte additive für kraft und schmierstoffe
EP14198266 2014-12-16
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