EP0639632B1 - Verwendung eines Additivs für unverbleite Ottokraftstoffe zur Verhinderung von Ventilsitzverschleiss. - Google Patents
Verwendung eines Additivs für unverbleite Ottokraftstoffe zur Verhinderung von Ventilsitzverschleiss. Download PDFInfo
- Publication number
- EP0639632B1 EP0639632B1 EP94890107A EP94890107A EP0639632B1 EP 0639632 B1 EP0639632 B1 EP 0639632B1 EP 94890107 A EP94890107 A EP 94890107A EP 94890107 A EP94890107 A EP 94890107A EP 0639632 B1 EP0639632 B1 EP 0639632B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mentioned
- formula
- ash
- combined
- sulphosuccinic acid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/143—Organic compounds mixtures of organic macromolecular compounds with organic non-macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/24—Organic compounds containing sulfur, selenium and/or tellurium
- C10L1/2431—Organic compounds containing sulfur, selenium and/or tellurium sulfur bond to oxygen, e.g. sulfones, sulfoxides
- C10L1/2437—Sulfonic acids; Derivatives thereof, e.g. sulfonamides, sulfosuccinic acid esters
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/02—Use of additives to fuels or fires for particular purposes for reducing smoke development
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
- C10L10/08—Use of additives to fuels or fires for particular purposes for improving lubricity; for reducing wear
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L1/00—Liquid carbonaceous fuels
- C10L1/10—Liquid carbonaceous fuels containing additives
- C10L1/14—Organic compounds
- C10L1/22—Organic compounds containing nitrogen
- C10L1/234—Macromolecular compounds
- C10L1/238—Macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C10L1/2383—Polyamines or polyimines, or derivatives thereof (poly)amines and imines; derivatives thereof (substituted by a macromolecular group containing 30C)
Definitions
- the invention relates to the use of an additive for unleaded Gasoline fuels to prevent or reduce Valve seat wear, which is essentially at least one Alkali metal or alkaline earth metal salt of an organic Sulfonic acid and at least one ashless detergent as well optionally contains other known additives.
- U.S. Patent 3,955,938 describes (Exxon) Compositions based on inorganic and organic sodium salts that work together with ashless Dispersants as additives in unleaded fuels to protect the valve seats.
- EP 0 288 296 (BP Chemicals) uses as an additive a fine-particle metal salt dispersion against valve seat wear, especially a dispersion of potassium borate, Sodium borate, potassium carbonate and potassium bicarbonate.
- the fuels contain to prevent or reduce wear and tear on the valves and for simultaneous reduction of corrosion phenomena alkali metal or alkaline earth metal salts of monoamides of dicarboxylic acids with 2 up to 4 carbon atoms between the carboxyl groups or of amides of tri- or tetracarboxylic acids, the amino nitrogen at least one hydrocarbon group, optionally is oxygen or amine substituted.
- these additives are said to work simultaneously through their detergent action also keep the motors clean.
- EP-A1-0 307 815 (BASF) relates to fuels, in which small amounts of copolymers of olefins and / or cycloolefins with maleic anhydride and / or copolymers of alkyl vinyl ethers and / or cycloalkyl vinyl ethers with maleic anhydride and / or copolymers of alkyl vinyl ethers and / or cycloalkyl vinyl ethers and olefins and / or contain cycloolefins with maleic anhydride are, the carboxyl groups entirely or partially under Formation of alkali metal or alkaline earth metal salts and the Rest of the carboxyl groups with alcohols and / or amines corresponding ester and / or amide groups and / or ammonium groups are implemented.
- EP 0 342 497 also describes Purpose of preventing wear and tear on the wearer Valves and the simultaneous reduction of corrosion the addition of copolymers Alkyl (meth) acrylates and / or vinyl esters from optionally monoethylenically unsaturated carboxylic acids, the All or part of the carboxyl groups of the copolymers Alkali are implemented to form the alkali metal salts and the rest of the acid groups with ammonia and / or amines to the corresponding amide groups and / or ammonium salts is implemented.
- EP-A1-0 207 560 (Shell) alkali metal and alkaline earth metal salts of hydrocarbon-substituted Succinic acid as wear protection additives described.
- hydrocarbon-substituted succinic acid derivatives are the subject of an extensive older and newer patent literature. Also the imide derivatives of these substances are used alone or in because of their dispersing action Combination with other additives used.
- EP-A-233 250 (Lubrizol) is used as an additive against the valve seat wear a combination of alkaline or compositions containing alkaline earth metals and ashless dispersants proposed.
- alkali metals Concretely, only the compositions Salts of organic alkyl aryl sulfonic acids; both Dispersants are those already mentioned, known alkenyl succinimides, which are usually at least contain about 30 aliphatic carbon atoms.
- the PCT application WO 91/07477 deals deal with the improvement of the ignition behavior of fuels and as an addition to this discloses alkali metal and alkaline earth metal salts of mono- or diesters of Sulfosuccinic acid.
- These compounds are succinic acid derivatives are in which the carboxylic acid group (s) with Hydrocarbon residues are esterified and an alpha carbon atom of succinic acid through a sulfonic acid group is substituted.
- These sulfosuccinic acid esters are in Form of alkali metal or alkaline earth metal salts.
- the aim of the present invention was now to Inexpensive wear protection additive for unleaded petrol to provide the valve seat wear on the engine output side Completely prevented and at the same time for keeping the engine clean worries.
- a neutral alkali metal and / or alkaline earth metal salt of a mono- or diester of sulfosuccinic acid of the general formula I is thus used in which R 1 and R 2 independently of one another are hydrogen or an aliphatic hydrocarbon group, with the proviso that at most one of the radicals R 1 or R 2 is hydrogen, M is an alkali metal or alkaline earth metal ion and n corresponds to the valence of M. , used in combination with an ash-free detergent as a wear protection additive to reduce or prevent valve seat closures.
- the aliphatic groups can be saturated or be unsaturated groups, optionally also substituents can wear.
- substituents are: Hydroxy, ether, ketone, phenyl or ester groups in Question that's the same on the two hydrocarbon groups or can be different.
- Mono- or diesters of sulfosuccinic acid can be used, it being possible for the carboxyl group in the ⁇ -position to the SO 3 group, the ⁇ -position carboxyl group or both carboxyl groups to be esterified with the same or different radicals.
- the salts of the diesters of sulfosuccinic acid are preferred. They have proven to be soluble in gasoline to an extent which allows the desired amount of the alkali metal or alkaline earth metal additive to be adjusted without difficulty.
- the chain length of the aliphatic hydrocarbon group in the ester radical is preferably 4 to 20 carbon atoms. Hydrocarbon radicals with a chain length of 6 to 13 carbon atoms, in particular with a chain length of about 8 carbon atoms, are particularly preferred.
- alkali metal salts of the sulfosuccinic acid esters are preferred, being for the purpose of protecting the Exhaust valves the potassium salts proved to be particularly cheap to have.
- the salts of the sulfosuccinic acid esters also work as a surfactant, what the formulation of additive packages for high demands on engine cleanliness.
- They are all different ash-free detergents, such as long-chain amide-imide compounds, long chain amines, polyethers or polyether amines suitable.
- the polybutenamines have been particularly advantageous in combination with the salts of sulfosuccinic acid esters proven.
- the detergents preferably have one average molecular weight from 2000 to 3000.
- the additives used according to the invention can also contain other known additives. Frequently e.g. Corrosion protection is desirable or necessary.
- carrier oils are also used. These either exist from mineral oil fractions or they are synthetic products, such as. Poly alpha olefins. Usually it's the detergents which are formulated as a solution in a carrier oil and therefore bring this component into the additive package. In addition, the alkali metal component can also be added a carrier oil to be easier to handle.
- Aromatic are preferred Kerosene can be used for this purpose.
- Such diluents can have viscosity limits of about 800 cP at -20 ° C are observed for European Ratios are favorable.
- the proportions of alkali metal component for detergents are preferably in the range of 1: (8-15), these details refer to detergents, which if necessary contain a carrier oil.
- additive 15 % By mass to 40% by mass, preferably 30% by mass to 40 % By mass, of an aromatic kerosene as a diluent contain.
- a fuel for gasoline engines the one according to the invention contains used additive, corresponds to the put to it Requirements if it is 0.01 milligram atom (mVal) to 2.5 milligram atom (mVal) of alkali metal per kg of fuel contains.
- the preferred range is between 0.02 mVal and 1.0 mVal, in particular between 0.07 mVal and 0.25 mVal Alkali metal per kg of fuel.
- the ranges 1 mg to 30 mg are preferred, in particular 3 mg to 10 mg of potassium per kg of fuel.
- the alkali metal component consists of a Potassium sulfosuccinic acid dioctyl ester. If this component is present without carrier oil, it contains about 8.5% by mass Potassium.
- the detergent is based on Polybutenamine.
- Carrier oil including the potassium sulfosuccinate with carrier oil can be formulated.
- the product contains an aromatic for dilution Kerosene.
- This additive is added in an amount of 1100 ml 1000 liters of fuel added, so that per kg of fuel about 4 mg of potassium are included.
- Test fuel Deposits: Gasoline (Eurosuper) without additives 350 to 700 mg / valve Gasoline (Eurosuper) + addition less than 100 mg / valve (1 g / 1000 g petrol)
Description
Testkraftstoff: | Ablagerungen: |
Benzin (Eurosuper) unadditiviert | 350 bis 700 mg/Ventil |
Benzin (Eurosuper)+Zusatz | weniger als 100 mg/Ventil |
(1 g/1000 g Benzin) |
Claims (13)
- Verwendung eines neutralen Alkalimetall- und/oder Erdalkalimetallsalzes eines Mono- oder Diesters der Sulfobernsteinsäure der allgemeinen Formel [I] worin R1 und R2 unabhängig voneinander für Wasserstoff oder eine aliphatische Kohlenwasserstoffgruppe stehen, mit der Maßgabe, daß höchstens einer der Reste R1 bzw. R2 Wasserstoff bedeutet, M für ein Alkalimetall- oder Erdalkalimetallion steht und n der Wertigkeit von M entspricht, in Kombination mit mindestens einem aschefreien Detergens sowie gegebenenfalls anderen bekannten Zusätzen als Additiv für unverbleite Ottokraftstoffe zur Verhinderung bzw. Herabsetzung von Ventilsitzverschleiß.
- Verwendung eines Salzes eines Sulfobernsteinsäure-Diesters der in Anspruch 1 genannten Formel I in Kombination mit einem aschefreien Detergens für den in Anspruch 1 genannten Zweck.
- Verwendung eines Salzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I, bei dem die Estergruppen aus Kohlenwasserstoffresten mit 4 bis 20 Kohlenstoffatomen bestehen, in Kombination mit einem aschefreien Detergens für den in Anspruch 1 genannten Zweck.
- Verwendung eines Salzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I, bei dem die Estergruppen aus Kohlenwasserstoffresten mit 6 bis 13 Kohlenstoffatomen bestehen, in Kombination mit einem aschefreien Detergens für den in Anspruch 1 genannten Zweck.
- Verwendung eines Salzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I, bei dem die Estergruppen aus Kohlenwasserstoffresten mit 8 Kohlenstoffatomen bestehen, in Kombination mit einem aschefreien Detergens für den in Anspruch 1 genannten Zweck.
- Verwendung eines Alkalimetallsalzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I in Kombination mit einem aschefreien Detergens für den in Anspruch 1 genannten Zweck.
- Verwendung eines Kaliumsalzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I in Kombination mit einem aschefreien Detergens für den in Anspruch 1 genannten Zweck.
- Verwendung eines Alkalimetall- und/oder Erdalkalimetallsalzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I in Kombination mit einem Detergens auf der Basis von Polybutenamin für den in Anspruch 1 genannten Zweck.
- Verwendung eines Alkalimetall- und/oder Erdalkalimetallsalzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I in Kombination mit einem Detergens auf der Basis von Polyetheramin für den in Anspruch 1 genannten Zweck.
- Verwendung eines Alkalimetall- und/oder Erdalkalimetallsalzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I in Kombination mit einem aschefreien Detergens mit einem Molekulargewicht von 2000 bis 3000 für den in Anspruch 1 genannten Zweck.
- Verwendung eines Kaliumsalzes eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I in Kombination mit einem aschefreien Detergens in einem Masseverhältnis von 1:(8-15) für den in Anspruch 1 genannten Zweck.
- Verwendung einer Mischung aus 4 Masse-% bis 9 Masse-% Alkalimetallsalz eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I und 60 Masse-% bis 80 Masse-% aschefreies Detergens mit Trägeröl und/oder Verdünnungsmittel als Ergänzung auf 100 Masse-% für den in Anspruch 1 genannten Zweck.
- Verwendung einer Mischung, die ein Kaliumsalz eines Sulfobernsteinsäureesters der in Anspruch 1 genannten Formel I und ein aschefreies Detergens enthält, wobei Kalium in einer Menge von 0,2 Masse-% bis 0,7 Masse-% vorliegt, für den in Anspruch 1 genannten Zweck.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT1636/93 | 1993-08-17 | ||
AT0163693A AT400149B (de) | 1993-08-17 | 1993-08-17 | Additiv für unverbleite ottokraftstoffe sowie dieses enthaltender kraftstoff |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0639632A1 EP0639632A1 (de) | 1995-02-22 |
EP0639632B1 true EP0639632B1 (de) | 1998-04-22 |
Family
ID=3517698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94890107A Expired - Lifetime EP0639632B1 (de) | 1993-08-17 | 1994-06-21 | Verwendung eines Additivs für unverbleite Ottokraftstoffe zur Verhinderung von Ventilsitzverschleiss. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0639632B1 (de) |
AT (2) | AT400149B (de) |
CZ (1) | CZ285397B6 (de) |
DE (1) | DE59405767D1 (de) |
DK (1) | DK0639632T3 (de) |
HU (1) | HU214907B (de) |
SI (1) | SI0639632T1 (de) |
SK (1) | SK280988B6 (de) |
Cited By (1)
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---|---|---|---|---|
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EP3940043B1 (de) | 2020-07-14 | 2023-08-09 | Basf Se | Korrosionsinhibitoren für kraft- und schmierstoffe |
DE102022131356A1 (de) | 2022-11-28 | 2023-01-12 | Basf Se | Formamidine als Kraftstoffadditive |
DE102022131890A1 (de) | 2022-12-01 | 2023-01-26 | Basf Se | Guanidinderivate als Kraftstoffadditive |
DE102022132342A1 (de) | 2022-12-06 | 2023-01-26 | Basf Se | Guanidiniumsalze als Kraftstoffadditive |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898055A (en) * | 1971-06-07 | 1975-08-05 | Bray Oil Co | Gasoline engine fuel |
AT337333B (de) * | 1973-11-21 | 1977-06-27 | Mohnhaupt Dietrich | Flussiger treibstoff fur verbrennungsmotoren und zusatzmittel hiefur |
US3955398A (en) * | 1975-05-08 | 1976-05-11 | Westinghouse Air Brake Company | Calibration and adjustment arrangement for deceleration switch |
FR2421958A1 (fr) * | 1978-04-04 | 1979-11-02 | Raffinage Cie Francaise | Nouveaux agents anti-salissures et application desdits agents |
US4690687A (en) * | 1985-08-16 | 1987-09-01 | The Lubrizol Corporation | Fuel products comprising a lead scavenger |
GB8925535D0 (en) * | 1989-11-11 | 1990-01-04 | Rechem Ag | Gasoline composition |
-
1993
- 1993-08-17 AT AT0163693A patent/AT400149B/de not_active IP Right Cessation
-
1994
- 1994-06-21 EP EP94890107A patent/EP0639632B1/de not_active Expired - Lifetime
- 1994-06-21 DE DE59405767T patent/DE59405767D1/de not_active Expired - Fee Related
- 1994-06-21 DK DK94890107T patent/DK0639632T3/da active
- 1994-06-21 SI SI9430135T patent/SI0639632T1/xx not_active IP Right Cessation
- 1994-06-21 AT AT94890107T patent/ATE165389T1/de not_active IP Right Cessation
- 1994-08-15 SK SK970-94A patent/SK280988B6/sk not_active IP Right Cessation
- 1994-08-16 HU HU9402368A patent/HU214907B/hu unknown
- 1994-08-17 CZ CZ941985A patent/CZ285397B6/cs not_active IP Right Cessation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7850744B2 (en) | 2004-08-05 | 2010-12-14 | Basf Aktiengesellschaft | Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion |
US8814957B2 (en) | 2004-08-05 | 2014-08-26 | Basf Aktiengesellschaft | Heterocyclic compounds containing nitrogen as a fuel additive in order to reduce abrasion |
Also Published As
Publication number | Publication date |
---|---|
EP0639632A1 (de) | 1995-02-22 |
AT400149B (de) | 1995-10-25 |
HU214907B (hu) | 1998-07-28 |
ATA163693A (de) | 1995-02-15 |
HU9402368D0 (en) | 1994-11-28 |
SK280988B6 (sk) | 2000-10-09 |
CZ198594A3 (en) | 1995-03-15 |
DK0639632T3 (da) | 1999-02-15 |
DE59405767D1 (de) | 1998-05-28 |
SI0639632T1 (en) | 1998-08-31 |
HUT69325A (en) | 1995-09-28 |
SK97094A3 (en) | 1995-03-08 |
ATE165389T1 (de) | 1998-05-15 |
CZ285397B6 (cs) | 1999-08-11 |
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