DE1112600B - Schmier- und Hydraulikoele - Google Patents
Schmier- und HydraulikoeleInfo
- Publication number
- DE1112600B DE1112600B DER24969A DER0024969A DE1112600B DE 1112600 B DE1112600 B DE 1112600B DE R24969 A DER24969 A DE R24969A DE R0024969 A DER0024969 A DE R0024969A DE 1112600 B DE1112600 B DE 1112600B
- Authority
- DE
- Germany
- Prior art keywords
- lubricating
- hydraulic oils
- esters
- hydrogenated
- carbon atoms
- 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.)
- Pending
Links
- 239000010720 hydraulic oil Substances 0.000 title claims description 8
- 239000010687 lubricating oil Substances 0.000 title claims description 7
- 230000001050 lubricating effect Effects 0.000 title claims description 6
- 150000002148 esters Chemical class 0.000 claims description 12
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 239000000314 lubricant Substances 0.000 claims description 6
- 150000001298 alcohols Chemical class 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 125000004185 ester group Chemical group 0.000 claims description 4
- 150000007513 acids Chemical class 0.000 claims description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 2
- 125000001931 aliphatic group Chemical group 0.000 claims description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 2
- -1 tricarboxylic acid esters Chemical class 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 4
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 150000002825 nitriles Chemical class 0.000 description 3
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000007278 cyanoethylation reaction Methods 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000006384 oligomerization reaction Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 235000011037 adipic acid Nutrition 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
- 238000006136 alcoholysis reaction Methods 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000004702 methyl esters Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000007127 saponification reaction Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/36—Esters of polycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/027—Neutral salts thereof
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/281—Esters of (cyclo)aliphatic monocarboxylic acids
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
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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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- C10M2207/28—Esters
- C10M2207/286—Esters of polymerised unsaturated acids
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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
- C10M2209/02—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
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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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- 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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- 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
- C10M2215/224—Imidazoles
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- 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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- 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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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/30—Heterocyclic compounds
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- 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
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- 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
- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/08—Thiols; Sulfides; Polysulfides; Mercaptals
- C10M2219/082—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms
- C10M2219/085—Thiols; Sulfides; Polysulfides; Mercaptals containing sulfur atoms bound to acyclic or cycloaliphatic carbon atoms containing carboxyl groups; Derivatives thereof
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/108—Phenothiazine
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- C10M2221/02—Macromolecular compounds obtained by reactions of monomers involving only carbon-to-carbon unsaturated bonds
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2221/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- 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
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- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/041—Triaryl phosphates
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- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/049—Phosphite
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- 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
- C10N2030/08—Resistance to extreme temperature
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/12—Gas-turbines
- C10N2040/13—Aircraft turbines
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Lubricants (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Es ist bekannt, Dialkylester von Dicarbonsäuren, wie Adipinsäure und Sebacinsäure, als Schmiermittel
zu verwenden. Dabei sind von besonderem Vorteil Ester, deren Alkoholkomponenten verzweigtkettig
sind und 6 bis 14 Kohlenstoffatome enthalten. Auch Tricarbonsäureester, bei denen die Estergruppen an
ganz oder zum Teil benachbarten Kohlenstoffatomen sitzen, sind für Spezialfälle als Schmiermittel geeignet.
Weiterhin wurde die Verwendung von Tricarbonsäureestern, die die drei Estergruppen an jeweils
untereinander nicht benachbarten Kohlenstoffatomen gebunden enthalten und deren Alkoholkomponenten
6 bis 14 Kohlenstoffatome besitzen, als Schmiermittel vorgeschlagen.
Es wurde auch schon empfohlen, polymere Ester polymerisierbarer Monocarbonsäuren mit Alkylenglykolmonoäthern
als Zusatz zu hydraulischen Flüssigkeiten zu verwenden.
Es wurde weiterhin bereits vorgeschlagen, solche Produkte als Schmier- und Hydrauliköle zu verwenden,
die bei der Cyanäthylierung ein- oder mehrwertiger Alkohole mit Oligomerisierungsprodukten ungesättigter
Nitrile und anschließender Verseifung und Veresterung der entstehenden gesättigten Nitrile mit
höheren Alkoholen entstehen. Ester dieser Art weisen in der Hauptkette Äthersauerstoff auf und unterscheiden
sich unter anderem darin von den im nachstehenden beschriebenen und erfindungsgemäß zu
verwendenden Produkten.
Gemäß einem älteren, nicht vorveröffentlichten Vorschlag können Schmier- und Hydrauliköle auf Esterölbasis
derart hergestellt werden, daß Aldehyd- oder Alkylenoxydcyanhydrine mit Nitrilen von Äthylencarbonsäuren
in an sich bekannter Weise umgesetzt, die erhaltenen Cyanäthylierungsprodukte verseift und
mit ein- oder mehrwertigen Alkoholen verestert werden. Auch diese Produkte weisen in der Hauptkette
einen Äthersauerstoff auf.
Gegenstand der Erfindung ist die Verwendung von hydrierten Estern von Oligocarbonsäuren einer Acrylsäure
(4 bis 10 COOH-Gruppen) mit gesättigten aliphatischen einwertigen C4- bis C12-Alkoholen, wobei
sich die Estergruppen an jeweils untereinander nicht benachbarten C-Atomen befinden, als Schmier- und
Hydrauliköle.
Als im Sinne der Erfindung zu verwendende Produkte kommen z. B. in Frage die Ester der Methacrylsäure,
tetrameren, pentameren und hexameren Methacrylsäure. Besonders günstige Eigenschaften
weisen die oligomeren Ester auf, deren Alkoholkomponenten zum überwiegenden Teil geradkettig
sind.
Schmier- und Hydrauliköle
Anmelder:.
Röhm & Haas G. m. b. H.,
Darmstadt, Mainzer Str. 42
Darmstadt, Mainzer Str. 42
Walter Ludwig, Bensheim-Auerbach,
Dr. Ernst Koch, Traisa über Darmstadt,
und Dr. Fritz Kollinsky, Darmstadt-Eberstadt,
sind als Erfinder genannt worden
Die oligomeren Ester können durch Hydrierung des oligomeren Methylesters und nachfolgende Alkoholyse
mit einem oder mehreren höheren unverzweigten dieser Alkohole erhalten werden. Die oligomeren
Säuren ihrerseits können gemäß den in den deutschen Patentschriften 903 932 und 855 554 beschriebenen
Verfahren erhalten werden. Die Herstellung kann auch durch Veresterung der freien
Säure mit den entsprechenden Alkoholen oder durch Oligomerisierung eines monomeren Methacrylsäureesters
mit einer Alkoholkomponente mit 4 bis 12 Kohlenstoffatomen und anschließende Hydrierung
erfolgen. Unter Hydrierung soll keine katalytische Reduktion, sondern eine Anlagerung von Wasserstoff
an die in den Oligomeren noch vorhandene Doppelbindung verstanden werden.
Der umseitigen Tabelle sind die Daten der im Sinne der Erfindung zu verwendenden Ester zu entnehmen.
Gegenüber den bekannten Schmierölen zeichnen sich die erfindungsgemäßen Produkte durch einen
höheren Flammpunkt und eine höhere Viskositätslage aus, was für verschiedene Anwendungsgebiete, z. B.
für die Schmierung unter extrem hohen Temperaturbedingungen, gefordert wird. Wegen ihrer hohen Viskositätslage
sind die Produkte z. B. als Bestandteil zu Syntheseölen mit niedrigerer Viskositätslage gut geeignet.
109 677/192
Die einzelnen oligomeren Ester können jeweils für Verhalten verbessernden Produkten erwiesen. Auf
sich allein oder im Gemisch miteinander oder mit diese Weise läßt sich noch eine weitere Verbesserang
anderen Schmierstoffen undSchmierstoffzusätzenver- der in der vorstehenden Tabelle angeführten Daten
wendet werden. Als vorteilhaft hat sich der Zusatz und- somit eine Vergrößerung des Anwendungsbe-
von an sich bekannten, das Temperatur-Viskositäts- 5 reiches der Schmier- und Hydrauliköle erzielen.
Ester
Hydrierter tetramerer Methacrylsäuretetra-n-butylester
Hydrierter tetramerer Methacrylsäuretetra-n-hexylester
Hydrierter tetramerer Methacrylsäuretri-n-decyl-isononylester
Hydrierter tetramerer Methacrylsäuretetra-n-decylester
Hydrierter tetramerer Methacrylsäuretetra-n-octylester
Hydrierter tetramerer Methacrylsäurepenta-n-octylester
Viskosität (cSt.) 37,8° C I 98,9° C |
6,4 | VJ. | m-Wert | Stockpunkt 0C |
Flammpunkt 0C |
40,7 | 6,6 | 108 | 3,62 | -46 | 243 |
44,1 | 8,9 | 111 | 3,58 | .... -50 | 257 |
64,3 | 8,7 | 119 | 3,40 | -53 | 281 |
60,8 | 7,3 | 121 | 3,38 | -48 | 278 |
50,6 | 9,6 | 113 | 3,53 | -48 | 264 |
77,4 | 110 | 3,65 | -45 | 284 |
Claims (1)
- PATENTANSPRUCH:Verwendung von Estern von hydrierten Oligocarbonsäuren einer Acrylsäure (4 bis 10 COOH-Gruppen) mit gesättigten aliphatischen einwertigen C4- bis C12-Alkoholen, wobei sich die Estergruppen an jeweils untereinander nicht benachbarten C-Atomen befinden, allein oder in Verbindung mit bekannten Schmier- und Hydraulikölen als Schmier- und Hydrauliköle.In Betracht gezogene Druckschriften: Industrial and Engineering Chemistry (1953), S. 1766 bis 1775.In Betracht gezogene ältere Patente: Deutsche Patente Nr. 1 074 796, 1078 723, 1085 632.© 109 677/192 8. 61
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER24969A DE1112600B (de) | 1959-02-17 | 1959-02-17 | Schmier- und Hydraulikoele |
GB5652/60A GB917001A (en) | 1959-02-17 | 1960-02-17 | Improvements in or relating to lubricating and hydraulic compositions |
FR818724A FR1248805A (fr) | 1959-02-17 | 1960-02-17 | Huiles lubrifiantes et hydrauliques |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DER24969A DE1112600B (de) | 1959-02-17 | 1959-02-17 | Schmier- und Hydraulikoele |
Publications (1)
Publication Number | Publication Date |
---|---|
DE1112600B true DE1112600B (de) | 1961-08-10 |
Family
ID=7401797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DER24969A Pending DE1112600B (de) | 1959-02-17 | 1959-02-17 | Schmier- und Hydraulikoele |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1112600B (de) |
FR (1) | FR1248805A (de) |
GB (1) | GB917001A (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3278434A (en) * | 1963-07-30 | 1966-10-11 | Exxon Research Engineering Co | Lubricant compositions containing thiodicarboxylic acid esters |
-
1959
- 1959-02-17 DE DER24969A patent/DE1112600B/de active Pending
-
1960
- 1960-02-17 FR FR818724A patent/FR1248805A/fr not_active Expired
- 1960-02-17 GB GB5652/60A patent/GB917001A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR1248805A (fr) | 1960-12-23 |
GB917001A (en) | 1963-01-30 |
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