EP0951527B1 - Funktionsflüssigkeit für lebensdauergeschmierte verbrennungsmotoren - Google Patents
Funktionsflüssigkeit für lebensdauergeschmierte verbrennungsmotoren Download PDFInfo
- Publication number
- EP0951527B1 EP0951527B1 EP97909299A EP97909299A EP0951527B1 EP 0951527 B1 EP0951527 B1 EP 0951527B1 EP 97909299 A EP97909299 A EP 97909299A EP 97909299 A EP97909299 A EP 97909299A EP 0951527 B1 EP0951527 B1 EP 0951527B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- functional fluid
- fluid according
- additive mixture
- carbon atoms
- contained
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 125000000217 alkyl group Chemical group 0.000 claims abstract description 8
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Classifications
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- 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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
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- C10M107/32—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
- C10M107/34—Polyoxyalkylenes
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- C10M129/76—Esters containing free hydroxy or carboxyl groups
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- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/44—Five-membered ring containing nitrogen and carbon only
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
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- C10M137/10—Thio derivatives
- C10M137/105—Thio derivatives not containing metal
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- C10M137/16—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having a phosphorus-to-nitrogen bond
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- 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
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M2207/288—Partial esters containing free carboxyl groups
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- 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
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- C10M2209/1045—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only used as base material
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- 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
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- C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only
- C10M2209/1065—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only used as base material
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- 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
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- C—CHEMISTRY; METALLURGY
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- 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
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/107—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
- C10M2209/1075—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106 used as base material
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- C10M2209/108—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified
- C10M2209/1085—Polyethers, i.e. containing di- or higher polyoxyalkylene groups etherified used as base material
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/109—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified
- C10M2209/1095—Polyethers, i.e. containing di- or higher polyoxyalkylene groups esterified used as base material
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
- C10M2215/226—Morpholines
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/24—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions having hydrocarbon substituents containing thirty or more carbon atoms, e.g. nitrogen derivatives of substituted succinic acid
- C10M2215/30—Heterocyclic compounds
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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/042—Metal salts thereof
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
- C10M2223/061—Metal salts
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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/08—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-nitrogen bonds
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- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
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- 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
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- 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
- C10N2040/251—Alcohol-fuelled engines
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- 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
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- 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
- C10N2040/28—Rotary engines
Definitions
- the invention relates to a functional fluid for Lifetime lubricated internal combustion engines, which the Properties of a lubricant and a coolant united in itself and due to their novel composition has significant advantages over known motor oils. It finds its application in internal combustion engines that are made from conventional metallic materials are made but also in engines made of ceramic parts consist.
- the classic internal combustion engines consist of one Variety of main components such as pistons, piston rings, Piston pins, connecting rods, connecting rod bearings, liners, crankshafts, Crankshaft bearings, camshafts, valves, valve guides and valve train elements that deal with relatively high Moving speed against each other while doing significant Cover wear paths.
- main components such as pistons, piston rings, Piston pins, connecting rods, connecting rod bearings, liners, crankshafts, Crankshaft bearings, camshafts, valves, valve guides and valve train elements that deal with relatively high Moving speed against each other while doing significant Cover wear paths.
- these are Components made of metallic materials such as cast iron, steel, Made of aluminum, brass and bronze alloys and are therefore subject to typical system wear.
- Lubricants which are usually made of hydrocarbons, Mineral oils or synthetic oils consists.
- Lubricants which are usually made of hydrocarbons, Mineral oils or synthetic oils consists.
- the tribologically strong, of temperature and Impurities but rather slightly loaded valve train is supplied from the same oil supply as the thermally highly stressed, with combustion residues loaded crank mechanism. Oil life and change intervals are determined by the latter.
- Motor oils additives are added which cover the performance range of engine oil and which ones - each for yourself or in combination - to perform very specific tasks to have. A significant proportion of these additives are used the metallic materials sliding on each other To protect wear, corrosion or welding (seizure).
- Newer materials such as hard metals, monolithic and layered ceramics, Sintered ceramics, carbon and tribological Coatings enable today in connection with constructive Measures new solutions for lubricating the Internal combustion engine with far lower lubricant consumption, than conventional conventional internal combustion engines metallic materials occurs.
- ceramic motors Since the component surfaces sliding on each other from internal combustion engines manufactured in newer materials, which in hereinafter simply referred to as "ceramic motors" are no longer just of a metallic nature, they can there is no need for any additives that protect them from corrosion today or contact with materials of the surfaces sliding on each other under all circumstances should prevent. The much better wear resistance of the newer materials mentioned (tend to eat some not at all) allows a much larger one Share of mixed friction than this with conventional ones Motors made of metallic materials is possible.
- Ceramic materials are characterized by high degrees of hardness, high melting points, low density, low thermal expansion, reduced corrosion and high resistance to thermal and chemical stresses. For this reason, molded parts made of ceramic materials are increasingly being used where metallic materials no longer meet the mechanical, thermal or chemical stresses. Especially aluminum oxide (Al 2 O 3 ), zirconium oxide (ZrO 2 ), silicon nitride (Si 3 N 4 ), silicon carbide (SiC), cubic boron nitride (BN), aluminum nitride (AlN) and boron carbide (B 4 C) are considered as materials , which will be suitable materials and coatings for the production of components for internal combustion engines in the future.
- the surfaces should be more ceramic Molded parts with different materials such as Metal films, solid lubricants or polymer films coated to increase the sliding properties of the surfaces.
- Such surface coatings are used in mechanical, thermal or chemical stress on the ceramic parts but rubbed off after a short time, as their wear reserve is low, so that they are only temporarily effective.
- soluble anti-friction additives to a liquid lubricant, e.g. a mineral oil that was previously used for Reduction of the friction between metal surfaces was used.
- a liquid lubricant e.g. a mineral oil that was previously used for Reduction of the friction between metal surfaces was used.
- these funds are based on one specific reaction with the metal surface, its atoms are bound ionically or covalently, and can therefore at ceramic materials not used promisingly as the additives are not from the ceramic surface be adsorbed or react chemically with it.
- Solid lubricants such as Graphite or molybdenum disulfide, dispersed in oils and then apply them to ceramic surfaces.
- Such Solids lead to clogging of filters and Also need to be applied in large amounts to be effective to be.
- Solid lubricants can also be present in the presence of a Liquid does not form a solid film on a surface, so this proposal also satisfies the problem Reduction of the friction loss of ceramic motors too achieve, not solve.
- an easily degradable medium should be used in such a minimal amount that it does not have to be changed or supplemented during vehicle life. Then it will no longer be noticed by the vehicle user, just as he no longer takes notice of the filling media for the transmission and air conditioning.
- the liquid medium both the tasks a lubricant as well as a coolant, is referred to below as "functional fluid”.
- functional fluid suitable for life according to the invention it is that these are not tribological contains relevant and effective additives, which change intervals participate. Rather, it exists tribologically relevant mode of action in that the base oil of the invention Functional fluid with e.g. ceramic Material surface a tribologically chemical Response. Because the base oil compared to the Additives in any amount are consumed not yourself.
- Such a functional fluid combines several advantages in itself.
- the strong friction and wear reducing Effect of polyalkylene glycols makes them an ideal one Engine lubricant. This is surprising because Polyalkylene glycols so far in the field of engine lubrication have practically not been used.
- Motor oils for Internal combustion engines are predominant today Part made of mineral oil and mixtures of synthetic mineral oils and esters.
- polyalkylene glycols are better have thermal properties as mineral oils and therefore also the task of a coolant to absorb the process heat and for component cooling of an internal combustion engine can take over.
- polyalkylene glycols are physiologically harmless and have a high biological Show degradability when it comes to using polyalkylene glycols low molecular weights. Products with molecular weights from 4,000 g / mol are broken down up to 80% in 28 days. Each the lower the molar masses, the higher the biological Degradability.
- the disposal of the invention Functional fluid is also facilitated in that they are free from the wear protection and heavy metals added to high pressure additives and can be burned without smoke and soot in the internal combustion engine.
- composition of the functional fluid according to the invention great value was placed on long-term stability. Tests have shown that they work under practical conditions up to 2,000 operating hours and more for a sufficient tribological effect and cooling of the engine ensures that a single filling for the entire life of the engine is sufficient.
- reaction product of diphenylamine and 2.4.4-trimethylpentene where the molar ratio of diphenylamine to 2,4.4-trimethylpentene is preferably between 1: 1.1 and 1: 2.5.
- reaction products are part of liquid Stabilizer mixtures for polyols already in EP-A-574 651 described.
- Another component of the additive mixture is a phosphoric acid amide, which is characterized by particularly valuable properties distinguished if it is from mono- or dihexylphosphoric acid derives. Manufactured from this are preferred Phosphoric acid alkylamides in which the alkyl group 10 to 15 Includes carbon atoms.
- the additive mixture used according to the invention also contain one or more triazoles.
- the aminomethylated tolutriazole stabilizes the invention
- Functional fluid is particularly good when it comes with a or two branched hydrocarbon groups each with 5 to 10 carbon atoms on the pendant nitrogen is alkylated.
- the basic liquid with a molecular weight of 460 mg / mol was on its possible inhibitory effect on the growth of Land plants tested according to OECD Guideline 208.
- the basic liquid examined was 89% organic degraded, measured based on oxygen consumption.
- the dissolved organic carbon was 100% after 28 days consumed.
- the toxicity control showed no significant toxic effects on the im Microorganisms contained in sludge.
- the one for positive control approach used with aniline reached after 28 days among the same test conditions a biodegradation of 87%. This shows that the inoculum and the test conditions are suitable were.
- the acute toxicity of the base fluid with the molecular weight 460 g / mol in water was affected by the Algae strain Scenedesmus subspicatus determined.
- the study corresponded to the OECD Guideline for Testing of Chemicals Number 201 and to Method C.3 of Commission Directive 92/69 / EEC and was carried out under GLP conditions.
- S. subspicatus cells were grown over a period of 72 Hours in six parallel samples of an aqueous nutrient solution (100 ml), each 100 mg / l of the base liquid contained. Another three parallel samples were in the tests included as blank samples and contained no base liquid. The incubation was done in a laboratory shaker 24 ⁇ 1 ° C with constant exposure (7,000 lux). Samples of the algal suspensions were made after 0, 24, 48 and 72 Taken hours and the number of cells using one Spectrophotometer determined at 665 nm. As a growth parameter the area under the growth curve was determined.
- the acute toxicity of the base fluid with the molecular weight 460 g / mol on rainbow trout was based on the method of the OECD Guidelines for Testing of Chemicals (1992) number No. 203 referred to as method C.1 Commission Directive 92/69 / EEC carried out under GLP conditions.
- Another group of ten fish was under control same conditions, but without adding the base liquid, tested.
- the fish were in aquariums, the 20 liters of the test medium contained.
- the temperature, pH and the oxygen concentration of the test solutions were during of the study recorded daily. Fish mortality and other effects were seen after 3, 6, 24, 48, 72 and 96 hours observed.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Lubricants (AREA)
Abstract
Description
Claims (10)
- Funktionsflüssigkeit für einen lebensdauergeschmierten Motor, dadurch gekennzeichnet, daß sie als Grundflüssigkeit ein aus Ethylenoxid und Propylenoxid hergestelltes Polyalkylenglykol enthält, dem eine Additivmischung zugesetzt ist, bestehend ausa) 0,01 - 1,0 Gew.-% eines Reaktionsproduktes aus Diphenylamin und 2.4.4-Trimethylpenten;b) 0,01 - 1,0 Gew.-% eines teilweise oder vollständig mit einer alkylsubstituierten p-Hydroxyphenylpropionsäure veresterten Pentaerythrits;c) 0,01 - 1,0 Gew.-% eines Mono- oder Di-(C4-C8)alkylphosphorsäure-(C10-C15)alkylamids;d) 0,01 - 1,0 Gew.-% des Triphenylthiophosphats;e) 0,01 - 0,1 Gew.-% eines aminomethylierten Tolutriazols, welches mit einer geradkettigen oder verzweigten Alkylgruppe mit 2 - 10 Kohlenstoffatomen am seitenständigen Stickstoff alkyliert ist und/oderf) 0,01 - 0,1 Gew.-% des 1H-Benzotriazols.
- Funktionsflüssigkeit nach Anspruch 1, dadurch gekennzeichnet, daß das als Grundflüssigkeit eingesetzte Polyalkylenglykol ein Molekulargewicht von 300 - 700 g/mol aufweist und aus Ethylenoxid und Propylenoxid im Gewichtsverhältnis von 30:70 bis 70:30 besteht.
- Funktionsflüssigkeit nach Anspruch 2, dadurch gekennzeichnet, daß das als Grundflüssigkeit eingesetzte Polyalkylenglykol ein Molekulargewicht von 400 - 600 g/mol aufweist.
- Funktionsflüssigkeit nach Anspruch 1, dadurch gekennzeichnet, daß in dem in der Additivmischung enthaltenen Reaktionsprodukt aus Diphenylamin und 2.4.4-Trimethylpenten das molare Verhältnis von Diphenylamin zu 2.4.4-Trimethylpenten zwischen 1:1.1 und 1:2.5 liegt.
- Funktionsflüssigkeit nach Anspruch 1, dadurch gekennzeichnet, daß der in der Additivmischung enthaltene Pentaerythritester an allen vier Hydroxylgruppen mit einer (C2-C10)-alkylsubstituierten p-Hydroxyphenylpropionsäure verestert ist.
- Funktionsflüssigkeit nach Anspruch 5, dadurch gekennzeichnet, daß die zur Veresterung des Pentaerythrits eingesetzte p-Hydroxyphenylpropionsäure in 3- und/oder 5-Stellung mit einer verzweigten Alkylgruppe von 3 - 5 Kohlenstoffatomen substituiert ist.
- Funktionsflüssigkeit nach Anspruch 1, dadurch gekennzeichnet, daß das in der Additivmischung enthaltene Phosphorsäureamid ein Mono- oder Dihexylphosphorsäure-alkylamid ist, wobei die Alkylamidgruppe 10 - 15 Kohlenstoffatome umfaßt.
- Funktionsflüssigkeit nach Anspruch 1, dadurch gekennzeichnet, daß das in der Additivmischung enthaltene aminomethylierte Tolutriazol mit einer oder zwei verzweigten Kohlenwasserstoffgruppen mit je 5 - 10 Kohlenstoffatomen am seitenständigen Stickstoff alkyliert ist.
- Verwendung der Funktionsflüssigkeit nach den Ansprüchen 1 bis 8, dadurch gekennzeichnet, daß sie sowohl im Schmiermittelkreislauf als auch im Kühlmittelkreislauf des Motors eingesetzt wird.
- Verwendung der Funktionsflüssigkeit nach den Ansprüchen 1 bis 8, dadurch gekennzeichnet, daß sie in einem Motor eingesetzt wird, der in den reibungsbelasteten Bereichen keramifizierte oder keramische Oberflächen aufweist.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19647554A DE19647554A1 (de) | 1996-11-16 | 1996-11-16 | Funktionsflüssigkeit für lebensdauergeschmierte Verbrennungsmotoren |
| DE19647554 | 1996-11-16 | ||
| PCT/EP1997/005166 WO1998022559A1 (de) | 1996-11-16 | 1997-09-20 | Funktionsflüssigkeit für lebensdauergeschmierte verbrennungsmotoren |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0951527A1 EP0951527A1 (de) | 1999-10-27 |
| EP0951527B1 true EP0951527B1 (de) | 2001-12-12 |
Family
ID=7811938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP97909299A Expired - Lifetime EP0951527B1 (de) | 1996-11-16 | 1997-09-20 | Funktionsflüssigkeit für lebensdauergeschmierte verbrennungsmotoren |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6194359B1 (de) |
| EP (1) | EP0951527B1 (de) |
| JP (1) | JP2002505693A (de) |
| KR (1) | KR100304292B1 (de) |
| DE (3) | DE19647554A1 (de) |
| WO (1) | WO1998022559A1 (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19820883A1 (de) * | 1998-05-09 | 1999-11-18 | Daimler Chrysler Ag | Verwendung einer Funktionsflüssigkeit auf Basis von Polyalkylenglykol |
| FR2792326B1 (fr) * | 1999-04-19 | 2007-08-24 | Renault | Fluides fonctionnels non toxiques et biodegradables a base de copolymeres d'oxyde d'ethylene et d'oxyde de propylene pour vehicules automobiles |
| DE10049175A1 (de) | 2000-09-22 | 2002-04-25 | Tea Gmbh | Biologisch abbaubare Funktionsflüssigkeit für mechanische Antriebe |
| US7790660B2 (en) | 2004-02-13 | 2010-09-07 | Exxonmobil Research And Engineering Company | High efficiency polyalkylene glycol lubricants for use in worm gears |
| JP4800731B2 (ja) * | 2005-10-13 | 2011-10-26 | Jx日鉱日石エネルギー株式会社 | アルミ部材エンジン用潤滑油 |
| MX324478B (es) | 2008-04-28 | 2014-10-14 | Dow Global Technologies Inc | Composicion lubricante de polialquilenglicol. |
| WO2012177549A1 (en) * | 2011-06-21 | 2012-12-27 | The Lubrizol Corporation | Lubricating composition containing a dispersant |
| FR3058156B1 (fr) | 2016-10-27 | 2022-09-16 | Total Marketing Services | Composition pour vehicule electrique |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2250049A (en) * | 1938-12-19 | 1941-07-22 | Dow Chemical Co | Mixed triaryl thiophosphates |
| US3254027A (en) * | 1962-04-05 | 1966-05-31 | Sinclair Research Inc | Lubricating oil compositions |
| GB1180390A (en) * | 1967-03-20 | 1970-02-04 | British Petroleum Co | Synthetic Lubricants for Aero Gas Turbines |
| US3697427A (en) * | 1971-04-30 | 1972-10-10 | British Petroleum Co | Lubricants having improved anti-wear and anti-corrosion properties |
| US3833502A (en) * | 1973-04-30 | 1974-09-03 | Nalco Chemical Co | Method for improving the adherence of metalworking coolants to metal surfaces |
| US3931022A (en) * | 1974-09-16 | 1976-01-06 | Texaco Inc. | Turbine lubricant and method |
| US4101431A (en) * | 1977-05-12 | 1978-07-18 | Texaco Inc. | Turbine lubricant |
| US4110126A (en) * | 1977-08-31 | 1978-08-29 | International Business Machines Corporation | NPN/PNP Fabrication process with improved alignment |
| DE2806133C2 (de) * | 1978-02-14 | 1987-03-26 | Hoechst Ag, 6230 Frankfurt | Verwendung von Polyoxyalkylenglykoldiethern für die Bereitung von Getriebeölen |
| DE3343816C2 (de) * | 1983-12-03 | 1986-12-04 | UK Mineralölwerke Wenzel & Weidmann GmbH, 5180 Eschweiler | Schmiermittel |
| GB2152073B (en) * | 1983-12-23 | 1986-10-22 | Ciba Geigy | Lubricant stabilizer additives |
| US4654155A (en) * | 1985-03-29 | 1987-03-31 | Reynolds Metals Company | Microemulsion lubricant |
| ES2055156T3 (es) | 1988-11-08 | 1994-08-16 | Ciba Geigy Ag | Composiciones lubricantes. |
| EP0460317B1 (de) * | 1990-06-08 | 1993-10-20 | Ethyl Petroleum Additives Limited | Polyalkylenglycolschmiermittelzusammensetzungen |
| DE4217961A1 (de) * | 1992-05-30 | 1993-12-02 | Fuchs Petrolub Ag Oel & Chemie | Umweltverträgliche und biologisch schnell aubbaubare Betriebsstoffe zur Umlaufschmierung von Motoren und sonstigen Aggregaten in Fahrzeugen und Arbeitsmaschinen |
| GB9221841D0 (en) | 1992-10-17 | 1992-12-02 | Castrol Ltd | Industrial oils |
| DE4404804A1 (de) * | 1994-02-16 | 1995-08-17 | Hoechst Ag | Verwendung von Polyoxalkylenglykolen in NH¶3¶-Kälteanlagen |
-
1996
- 1996-11-16 DE DE19647554A patent/DE19647554A1/de not_active Withdrawn
-
1997
- 1997-05-15 DE DE29708653U patent/DE29708653U1/de not_active Expired - Lifetime
- 1997-09-20 WO PCT/EP1997/005166 patent/WO1998022559A1/de not_active Ceased
- 1997-09-20 JP JP52310498A patent/JP2002505693A/ja active Pending
- 1997-09-20 DE DE59705820T patent/DE59705820D1/de not_active Expired - Lifetime
- 1997-09-20 US US09/308,159 patent/US6194359B1/en not_active Expired - Fee Related
- 1997-09-20 EP EP97909299A patent/EP0951527B1/de not_active Expired - Lifetime
-
1999
- 1999-04-15 KR KR1019997003284A patent/KR100304292B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0951527A1 (de) | 1999-10-27 |
| KR20000049187A (ko) | 2000-07-25 |
| WO1998022559A1 (de) | 1998-05-28 |
| KR100304292B1 (ko) | 2001-09-13 |
| DE29708653U1 (de) | 1997-08-21 |
| DE19647554A1 (de) | 1998-05-28 |
| US6194359B1 (en) | 2001-02-27 |
| JP2002505693A (ja) | 2002-02-19 |
| DE59705820D1 (de) | 2002-01-24 |
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