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DE19856045A1 - Use of microceramic lubricating compound as a friction reducer, anti-wear agent, catalyst and high temperature solid lubricant - Google Patents

Use of microceramic lubricating compound as a friction reducer, anti-wear agent, catalyst and high temperature solid lubricant

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Publication number
DE19856045A1
DE19856045A1 DE19856045A DE19856045A DE19856045A1 DE 19856045 A1 DE19856045 A1 DE 19856045A1 DE 19856045 A DE19856045 A DE 19856045A DE 19856045 A DE19856045 A DE 19856045A DE 19856045 A1 DE19856045 A1 DE 19856045A1
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Germany
Prior art keywords
micro
sliding compound
ceramic
ceramic sliding
synthetic
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DE19856045A
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German (de)
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DE19856045C2 (en
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Werner Meisel
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Individual
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Priority to DE19856045A priority Critical patent/DE19856045C2/en
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Publication of DE19856045C2 publication Critical patent/DE19856045C2/en
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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
    • C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
    • C10M103/06—Metal compounds
    • 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
    • C10M103/00—Lubricating compositions characterised by the base-material being an inorganic material
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/02—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a non-macromolecular organic compound
    • 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
    • C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/061—Carbides; Hydrides; Nitrides
    • C—CHEMISTRY; METALLURGY
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    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/061—Carbides; Hydrides; Nitrides
    • C10M2201/0613—Carbides; Hydrides; Nitrides used as base material
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
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    • C10M2201/0653—Sulfides; Selenides; Tellurides used as base material
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/065—Sulfides; Selenides; Tellurides
    • C10M2201/066—Molybdenum sulfide
    • C10M2201/0663—Molybdenum sulfide used as base material
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/081—Inorganic acids or salts thereof containing halogen
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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    • C10M2201/0873—Boron oxides, acids or salts used as base material
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/0215—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms used as base material
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C10M2207/0225—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups used as base material
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    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04—Ethers; Acetals; Ortho-esters; Ortho-carbonates
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/08—Groups 4 or 14
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    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/055—Particles related characteristics
    • C10N2020/06—Particles of special shape or size
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    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/08—Solids
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    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy
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    • C10N2070/00—Specific manufacturing methods for lubricant compositions

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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)
  • Lubricants (AREA)

Abstract

Microceramic lubricating compound is used as a friction reducer, anti-wear agent, catalyst and high temperature solid lubricant. Independent claims are also included for: (a) a stabilizer containing an activator selected from methanol/H2O, ethanol/H2O, propylene carbonate, propylene carbonate/H2O, or acetone/H2O; and (b) process for the production of a rheological thixotropic stabilizer comprising dispersing the microceramic compound in a natural or synthetic oil, dispersing a macropolymer natural or synthetic gelling agent until a homogeneous mixture is obtained and then stirring in the activator.

Description

Die Entwicklung von Werkstoffen als Tribo-Komponenten ist von zunehmendem technischen Interesse. Die Auto- u. Fahrzeugindustrie, Raumfahrtindustrie, Flugzeugindustrie und verarbei­ tende Industrie forschen seit geraumer Zeit, um neue Schmierstoffkomponenten zu entwickeln, die unter Normal- u. Extrembedingungen eine optimale Schmierung garantieren.The development of materials as tribo components is of increasing technical Interest. The auto u. Automotive industry, aerospace industry, aircraft industry and processing Industry has been researching for some time to develop new lubricant components the under normal u. Guarantee optimal lubrication under extreme conditions.

Die Industrie- u. Fahrzeugkonstrukteure setzen bereits heute in großer Anzahl keramische Bauteile ein, da Ihnen die hervorragenden Eigenschaften dieses Materials, wie außerge­ wöhnliche Schmier- u. Gleiteigenschaften, äußerst geringer Reibungskoeffizient und physio­ logische Unbedenklichkeit, bestens bekannt sind. Aus Kostengründen jedoch wird z. B. der keramische Motorenbau, mit all seinen Vorteilen, noch lange auf sich warten. Teillösungen, wie Keramik-Ventile, sind bereits im Einsatz.The industrial and Vehicle designers are already using ceramic in large numbers Components because you can enjoy the excellent properties of this material, such as ordinary lubricating u. Sliding properties, extremely low coefficient of friction and physio logical safety, are well known. For cost reasons, however, z. B. the Ceramic engine construction, with all its advantages, is still a long time coming. Partial solutions, like ceramic valves, are already in use.

EigenentwicklungIn-house development

Keramische Werkstoffe besitzen wegen ihrer hohen Festigkeit, ihrer im Vergleich zu Metallen geringen Dichte, ihrer relativ hohen chemischen Inertheit, tiefer und hoher Temperaturbestän­ digkeit, Reibungs- und Verschleißverhalten und physiologische Unbedenklichkeit, sehr interes­ sante Voraussetzungen für den Einsatz in der Praxis. Es sind jedoch feste Körper.Ceramic materials have because of their high strength compared to metals low density, their relatively high chemical inertness, low and high temperature resistance durability, friction and wear behavior and physiological harmlessness, very interesting sante requirements for use in practice. However, they are solid bodies.

Der Grundgedanke war deshalb: Keramische Werkstoffe, in irgendeiner Art, wegen ihrer technischen interessanten Eigenschaften, in eine flüssige Phase zu bringen und in dieser Form einzusetzen.The basic idea was therefore: Ceramic materials, in some way, because of their technical interesting properties to bring in and in a liquid phase Insert form.

Auf Grund von langjährigen Untersuchungen und Versuchen wurden aus der großen Familie der keramischen Werkstoffe einzelne Komponenten ausgewählt, die die Fähigkeit aufwiesen, durch synergistische Zusammenwirkung, Dispergierung in Öl und Aktivierung, ihre optimalen tribologischen Eigenschaften an den Reibstellen zu zeigen.Due to many years of research and trials, the large family was of the ceramic materials selected individual components that had the ability through synergistic interaction, dispersion in oil and activation, their optimal To show tribological properties at the friction points.

Das Microkeramische Gleitcompound war entwickelt und kann damit für sich allein oder über die Einmischung in feste, flüssige und pasteuse Schmiermittelsysteme, ohne nenneswerte Beeinflussung der Fremdrezeptur, seine Schmierkraft als Reibwertminderer, Verschleißredu­ zierer, HT-Festschmierstoff und Katalysator beweisen.The micro-ceramic sliding compound was developed and can be used on its own or by mixing in solid, liquid and pasteuse lubricant systems, without any noteworthy Influencing the external formulation, its lubricating power as a coefficient of friction reduction, wear reduction Ornaments, HT solid lubricants and catalysts prove it.

Die Auswahl der keramischen Komponenten, das Verfahren zur Eindispergierung in ölartige Flüssigkeiten und die Aktivierung der Struktur lassen dem Microkeramischen Gleitcompound in seiner Eigenständigkeit wertvolle Entwicklungsstufen frei, bis hin zum Nano-Bereich. The selection of ceramic components, the process of dispersing in oil-like Liquids and the activation of the structure leave the micro-ceramic sliding compound in its independence, there are valuable development stages, right down to the nano range.  

Bezeichnung der Erfindung (6)Title of the invention (6)

Microkeramisches Gleitcompound als Zusatz rheologischer Stabilisatoren, Reibwertminderer, Verschleißreduzierer und HT-Festschmierstoff, Verfahren zur Herstellung eines solchen Microkeramischen Gleitcompounds und Verfahrenseinsatz von Microkeramischen Gleitcompound.Micro-ceramic sliding compound as an additive for rheological stabilizers, Coefficient of friction, wear reducer and HT solid lubricant, process for the production of such a micro-ceramic sliding compound and Process use of micro-ceramic sliding compound.

Claims (12)

1. Microkeramisches Gleitcompound als Reibwertminderer, Verschleißreduzierer, Katalysator und HT-Festschmierstoff.1. Micro-ceramic sliding compound as a friction reducer, wear reducer, catalyst and HT solid lubricant. 2. Microkeramisches Gleitcompound nach Anspruch 1, dadurch gekennzeichnet, daß es ein synergistisch wirkendes Gemisch aus:
  • a) einem flüssigen zwei-, oder dreiwertigen Alkohol oder di-, tri- oder tetrameren Oligomeren davon;
  • b) in dem Alkohol a) dispergierbare Keramikwerkstoffe; und
  • c) Aktivator
umfaßt.2. Micro-ceramic sliding compound according to claim 1, characterized in that it is a synergistic mixture of:
  • a) a liquid di- or trihydric alcohol or di-, tri- or tetrameric oligomers thereof;
  • b) ceramic materials dispersible in the alcohol a); and
  • c) activator
includes. 3. Microkeramisches Gleitcompound nach einem der Ansprüche a) bis c), dadurch gekennzeichnet, daß es unabhängig vom pH-Wert ist.3. Micro-ceramic sliding compound according to one of claims a) to c), thereby characterized that it is independent of the pH. 4. Microkeramisches Gleitcompound nach Anspruch 2, dadurch gekennzeichnet, daß der Alkohol a) ein Diol der allgemeinen Formel HO-(CH(R)-CH2-O)n-H ist, worin R Wasserstoff oder C1-2-Alkyl bedeutet und n eine ganze Anzahl von 1 bis 5 ist.4. Micro-ceramic sliding compound according to claim 2, characterized in that that the alcohol a) is a diol of the general formula HO- (CH (R) -CH2-O) n-H, in which R represents hydrogen or C1-2-alkyl and n is an integer from 1 to 5. 5. Microkeramisches Gleitcompound nach Anspruch 2, dadurch gekennzeichnet, daß die Keramikwerkstoffe b), binäre, ternäre Mischung von Metallcarboxylaten und refraktäres, nichtoxidisches keramisches Material ist. 5. Micro-ceramic sliding compound according to claim 2, characterized in that that the ceramic materials b), binary, ternary mixture of metal carboxylates and is refractory, non-oxide ceramic material.   6. Stabilisator nach Anspruch c), dadurch gekennzeichnet, daß der Aktivator ausgewählt wird, aus Methanol/H2O, Ethanol/H2O, Propylencarbonat, Propylencarbonat/H2O, Aceton/H2O oder den Gemischen davon.6. Stabilizer according to claim c), characterized in that the activator is selected from methanol / H2O, ethanol / H2O, propylene carbonate, Propylene carbonate / H2O, acetone / H2O or the mixtures thereof. 7. Stabilisator nach Anspruch d), dadurch gekennzeichnet, daß das Microkeramische Gleitcompound ausgewählt wird, aus Wolframdisulfid, Zinkdisulfid, Bleiseife, Siliziumcarbid, Titandiborid, Lithiumfluorid, Ytriumoxid, Zirkonkarbid, Bornitrid, Aluminiumnitrid, Siliconcarbid, Ammoniumperrhenat, Aluminiumborid, Aluminiumcarbid Calciumfluorid, Bariumfluorid, Lanthanhexaborid, Borcarbid, Siliciumnitrid, Titancarbid und ihren Gemischen.7. Stabilizer according to claim d), characterized in that the Micro-ceramic sliding compound is selected from tungsten disulfide, zinc disulfide, Lead soap, silicon carbide, titanium diboride, lithium fluoride, ytrium oxide, zirconium carbide, boron nitride, Aluminum nitride, silicon carbide, ammonium perrhenate, aluminum boride, aluminum carbide Calcium fluoride, barium fluoride, lanthanum hexaboride, boron carbide, silicon nitride, titanium carbide and their mixtures. 8. Stabilisator nach Anspruch 7, dadurch gekennzeichnet, daß das Mikrokeramische Gleitcompound eine Teilchengröße von 0,05 bis 6 µm, bevorzugt etwa 0,2 bis 3 µm, hat.8. Stabilizer according to claim 7, characterized in that the micro-ceramic Sliding compound has a particle size of 0.05 to 6 microns, preferably about 0.2 to 3 microns. 9. Stabilisator nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß er 10 bis 95 Gew.-% des Naturöl, Syntheseöl a), 2 bis 30 Gew.-% des Makropolymer, Naturgeliermittel, synthetisches Geliermittel b), 0 bis 12 Gew.-% Aktivator c) und 0 bis 2 Gew.-% Microkeramisches Gleitcompound d)umfaßt und daß er bevorzugt etwa 50 bis 80 Gew.-% des Naturöl, Syntheseöl a), 5 bis 15 Gew.-% des Makropolymer, Naturgeliermittel, synthetische Geliermittel b), 1 bis 5 Gew.-% Aktivator c) und 0 bis 1,5 Gew.-% Microkeramisches Gleitcompound umfaßt.9. Stabilizer according to one of claims 1 to 8, characterized in that it 10 to 95% by weight of the natural oil, synthetic oil a), 2 to 30% by weight of the macropolymer, Natural gelling agent, synthetic gelling agent b), 0 to 12% by weight of activator c) and 0 to 2 wt .-% micro-ceramic sliding compound d) and that it preferably about 50 to 80% by weight of the natural oil, synthetic oil a), 5 to 15% by weight of the macropolymer, Natural gelling agents, synthetic gelling agents b), 1 to 5% by weight of activator c) and 0 to 1.5 wt .-% micro-ceramic sliding compound. 10. Verfahren zur Herstellung eines rheologisch thixotropen Stabilisators nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß
  • A) das Naturöl, Syntheseöl a) vorgelegt wird;
  • B) das Microkeramische Gleitcompound d) eindispergiert wird;
  • C) das Makropolymer, Naturgeliermittel, synthetische Geliermittel b) eindispergiert wird, bis ein homogenes Gemisch erhalten wird;
  • D) der Aktivator in das Gemisch eingerührt wird.
10. A method for producing a rheologically thixotropic stabilizer according to one of claims 1 to 9, characterized in that
  • A) the natural oil, synthetic oil a) is submitted;
  • B) the micro-ceramic sliding compound d) is dispersed;
  • C) the macropolymer, natural gelling agent, synthetic gelling agent b) is dispersed in until a homogeneous mixture is obtained;
  • D) the activator is stirred into the mixture.
11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß das Makropolymer, Naturgeliermittel, synthetische Geliermittel b) durch Einwirkung von Scherkräften und Wärme über einen bestimmten Zeitraum zur Aufspaltung der Agglomerate und zum Quellen der Substanz im Lösemittel führt, die gequollenen Teilchen in Primär­ teilchen aufgeteilt werden, die voll dispergierten und aktivierten Teilchen eine dreidimensionale Netzstruktur mit Wasserstoffbrückenbildung zwischen Hydroxyl­ gruppen bilden, die organischen Ketten sich durch Solvatisierung aufrichten. 11. The method according to claim 10, characterized in that the macropolymer, Natural gelling agents, synthetic gelling agents b) by the action of shear forces and heat over a period of time to split the agglomerates and swelling of the substance in the solvent leads to the swollen particles in primary be divided into particles, the fully dispersed and activated particles three-dimensional network structure with hydrogen bonding between hydroxyl form groups, the organic chains erect through solvation.   12. Verfahren zum Stabilisieren von Umreifungen und Hohlräder, bestehend aus Metall, Gummi, Synthesekautschuk, Holz, Glas, Kunststoff und Textil, für Maschinen und Fahrzeuge, dadurch gekennzeichnet, daß auf die Innenfläche einer Umreifung oder Hohlrades, mittels einer Dosierpumpe oder Zahnspachtels, ein rheologischer thixotroper Stabilisator nach einem der Ansprüche 1 bis 9 eingesetzt wird, die Umreifung oder das Hohlrad an einer Maschine oder einem Fahrzeug angebracht wird, damit ein weicherer und ruhigerer Lauf, geringerer Verschleiß, bessere Traktion, gleichmäßiger Anlauf, kontenuierliche Stabilisierung ohne Nachstabilisierung, bei umweltfreundlichem Einsatz, erbracht wird, wobei der Stabilisator in einer Menge zwischen 50 bis 800 g, bevorzugt 200 bis 600 g, eingesetzt wird.12. Method for stabilizing strapping and ring gears consisting of metal, Rubber, synthetic rubber, wood, glass, plastic and textile, for machines and Vehicles, characterized in that on the inner surface of a strapping or ring gear, using a metering pump or toothed spatula, a rheological thixotropic stabilizer according to one of claims 1 to 9 is used, the strapping or the ring gear on a machine or Vehicle is attached so that a smoother and quieter run, less Wear, better traction, smooth start-up, continuous stabilization without post-stabilization, with environmentally friendly use, is provided, whereby the stabilizer in an amount between 50 to 800 g, preferably 200 to 600 g, is used.
DE19856045A 1998-12-04 1998-12-04 Micro-ceramic sliding compound Revoked DE19856045C2 (en)

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DE102013219741A1 (en) * 2013-09-30 2015-04-02 Deere & Co. Clamp and clamping device with such and frame construction with such a clamping device

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Publication number Priority date Publication date Assignee Title
WO1992008775A1 (en) * 1990-11-09 1992-05-29 Alvin Ronlan Tyre balancing composition

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Publication number Priority date Publication date Assignee Title
WO2001069760A1 (en) * 2000-03-14 2001-09-20 Api Portescap Brush holder comprising brushes with contact tabs, spring and damping element

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