DE69114672T2 - LUBRICANT COMPOSITION FOR METAL WORKING. - Google Patents

LUBRICANT COMPOSITION FOR METAL WORKING.

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Publication number
DE69114672T2
DE69114672T2 DE69114672T DE69114672T DE69114672T2 DE 69114672 T2 DE69114672 T2 DE 69114672T2 DE 69114672 T DE69114672 T DE 69114672T DE 69114672 T DE69114672 T DE 69114672T DE 69114672 T2 DE69114672 T2 DE 69114672T2
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DE
Germany
Prior art keywords
carbon atoms
weight
alkyl group
straight
chain
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
Application number
DE69114672T
Other languages
German (de)
Other versions
DE69114672D1 (en
Inventor
Saburo Koyama
Toshio Saito
Seiichi Shido
Yasunori Tomari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
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Publication of DE69114672D1 publication Critical patent/DE69114672D1/en
Publication of DE69114672T2 publication Critical patent/DE69114672T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • C10M127/00—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon
    • C10M127/02—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon well-defined aliphatic
    • 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
    • C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
    • C10M101/02—Petroleum fractions
    • 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
    • C10M105/02—Well-defined hydrocarbons
    • C10M105/04—Well-defined hydrocarbons aliphatic
    • 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/04—Hydroxy compounds
    • C10M129/06—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/04—Hydroxy compounds
    • C10M129/06—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/08—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least 2 hydroxy groups
    • 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/04—Hydroxy compounds
    • C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
    • 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
    • C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/04—Hydroxy compounds
    • C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
    • C10M129/14—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring containing at least 2 hydroxy groups
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    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
    • C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
    • C—CHEMISTRY; METALLURGY
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    • C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
    • C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
    • C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/04—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing propene
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    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/06—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing butene
    • C—CHEMISTRY; METALLURGY
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    • C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
    • C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/24—Polyethers
    • C10M145/26—Polyoxyalkylenes
    • C10M145/28—Polyoxyalkylenes of alkylene oxides containing 2 carbon atoms only
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    • C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/24—Polyethers
    • C10M145/26—Polyoxyalkylenes
    • C10M145/30—Polyoxyalkylenes of alkylene oxides containing 3 carbon atoms only
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    • C10M145/36—Polyoxyalkylenes etherified
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    • 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
    • C—CHEMISTRY; METALLURGY
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    • C10M173/00—Lubricating compositions containing more than 10% water
    • C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
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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
    • C10M2201/02—Water
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    • C10M2203/003—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions used as base material
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    • C10M2203/022—Well-defined aliphatic compounds saturated
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    • C10M2203/045—Well-defined cycloaliphatic compounds used as base material
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    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/245—Soft metals, e.g. aluminum
    • 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
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/246—Iron or steel
    • 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
    • C10N2040/20—Metal working
    • C10N2040/244—Metal working of specific metals
    • C10N2040/247—Stainless steel
    • 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
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/01—Emulsions, colloids, or micelles
    • 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
    • C10N2080/00—Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal

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  • Lubricants (AREA)

Description

Technisches GebietTechnical area

Die Erfindung betrifft eine Schmierölzusammensetzung für die Metallbearbeitung, insbesondere eine Schmierölzusaminensetzung, die einen spezifischen Typ eines geradkettigen Olefins, Alokohols und ähnliches umfaßt, und die hervorragende Detergenz (Entfernbarkeit) für bei der Metallbearbeitung von Aluminium und Aluminiumlegierungen produzierten Abriebstaub aufweist.The invention relates to a lubricating oil composition for metalworking, particularly to a lubricating oil composition comprising a specific type of straight-chain olefin, alcohol and the like, and which has excellent detergency (removability) for abrasion dust produced during metalworking of aluminum and aluminum alloys.

Stand der TechnikState of the art

Wenn geradkettige α-Olefine als Schmierstoff bei der Metallbearbeitung wie plastischer Bearbeitung (Walzen oder Ziehen), Schneiden und Schleifen verwendet werden, haftet Arbeitsstaub (Abriebstaub) im allgemeinen nach Beendigung der Bearbeitung an der Oberfläche des bearbeiteten Materials. Dies resultiert in einer Verschlechterung der Qualität eines bearbeiteten Produkts und hat ungünstigen Einfluß auf den nachfolgenden Arbeitsprozeß.When straight-chain α-olefins are used as a lubricant in metal processing such as plastic processing (rolling or drawing), cutting and grinding, working dust (abrasion dust) generally adheres to the surface of the processed material after the processing is completed. This results in deterioration of the quality of a processed product and has an adverse influence on the subsequent processing process.

Wenn beispielsweise eine Aluminiumplatte mit dem geradkettigen α-Olefin gewalztt wird, haftet Aluminium-Abriebstaub an einer gewalzten Platte. Falls die gewalzte Platte ohne Entfernung dieses Staubs gehärtet wird, tritt sehr häufig Härtungsunregelmäßigkeit auf. Falls eine Aluminiumfolie unter Verwendung des geradkettigen α-Olefins gewalzt wird, besteht die Gefahr, daß wegen der Anwesenheit von Abriebstaub kleine Löcher auf der Aluminiumfolie entstehen. Genauso haftet Abriebstaub bei Schneid- und Schleifprozessen an einem bearbeiteten Material und verursacht verschiedenartige Probleme.For example, when an aluminum plate is rolled using the straight-chain α-olefin, aluminum abrasion dust adheres to a rolled plate. If the rolled plate is hardened without removing this dust, hardening irregularity is very likely to occur. If an aluminum foil is rolled using the straight-chain α-olefin, there is a risk of small holes being formed on the aluminum foil due to the presence of abrasion dust. Similarly, in cutting and grinding processes, abrasion dust adheres to a processed material and causes various problems.

Offenbarung der ErfindungDisclosure of the invention

Im Hinblick auf das oben Erwähnte haben die Erfinder Studien durchgeführt, um ein Schmieröl für die Metallbearbeitung zu entwickeln, das hervorragende Entfernbarkeit (Detergenz) für Abriebstaub besitzt, der bei der Metallbearbeitung, wie plastischer Bearbeitung, Schneiden und Schleifen auftritt, welche bei verschiedenen Arten von Metall wie Aluminium, Stahl und Messing und Legierungen davon ausgeführt werden, das hervorragende Bearbeitbarkeit aufweist und in der Lage ist, die Oberfläche eines bearbeiteten Materials mit einem Finish in ausgezeichnetem Zustand zu versehen.In view of the above, the inventors have conducted studies to develop a lubricating oil for metalworking which has excellent removability (detergency) for abrasion dust occurring in metalworking such as plastic working, cutting and grinding, which are carried out on various kinds of metal such as aluminum, steel and brass and alloys thereof, which has excellent machinability and is capable of providing the surface of a worked material with a finish in excellent condition.

Als Ergebnis wurde festgestellt, daß das oben erwähnte Ziel erreicht wird mit einer Schmierölzusammensetzung für die Metallbearbeitung, bestehend im wesentlichen aus (a), (b) und (c); wobei (a), (b) und (c) wie folgt definiert sind:As a result, it was found that the above-mentioned object is achieved by a lubricating oil composition for metalworking consisting essentially of (a), (b) and (c); wherein (a), (b) and (c) are defined as follows:

(a) ein Basisöl, das als Hauptbestandteil mindestens 3 Gew.- % eines geradkettigen Olefins mit 6 bis 40 Kohlenstoffatomen im Gemisch mit mindestens 97 % eines Mineralöls und/oder eines synthetischen Öls enthält; wobei die Gewichtsprozent auf das Gewicht des Basisöls bezogen sind;(a) a base oil containing as a major component at least 3% by weight of a straight-chain olefin having 6 to 40 carbon atoms in a mixture with at least 97% of a mineral oil and/or a synthetic oil; the weight percentages being based on the weight of the base oil;

(b) mindestens eine Komponente, ausgewählt aus 0,05 bis 50 Gew.-% eines verzweigtkettigen gesättigten oder ungesättigten aliphatischen Alkohols mit 6 bis 40 Kohlenstoffatomen oder eines geradkettigen gesättigten oder ungesättigten aliphatischen Alkohols mit 6 bis 20 Kohlenstoffatomen und 0,05 bis 1,0 Gew.-% einer geradkettigen/verzweigtketti-gen gesättigten/ungesättigten Fettsäure mit 6 bis 40 Kohlenstoffatomen, bezogen auf die Gesamtmenge der Zusammensetzung; und(b) at least one component selected from 0.05 to 50% by weight of a branched-chain saturated or unsaturated aliphatic alcohol having 6 to 40 carbon atoms or a straight-chain saturated or unsaturated aliphatic alcohol having 6 to 20 carbon atoms and 0.05 to 1.0% by weight of a straight-chain/branched-chain saturated/unsaturated fatty acid having 6 to 40 carbon atoms, based on the total amount of the composition; and

(c) nicht weniger als 0,1 Gew.-%, bezogen auf die Gesamtmenge der Zusammensetzung, mindestens einer Verbindung, ausgewählt aus der Gruppe, die aus einer durch die folgende allgemeine Formel (II) oder (III) dargestellten phenolischen Verbindung: (c) not less than 0.1% by weight, based on the total amount of the composition, of at least one compound selected from the group consisting of a compound defined by the following phenolic compound represented by general formula (II) or (III):

wobei R&sup4; und R&sup5; jeweils eine Alkylgruppe mit 1 bis 8 Kohlenstoffatomen bezeichnet und R&sup6; und R&sup7; jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 6 Kohlenstoffatomen bezeichnet, und einer Aminverbindung besteht, dargestellt durch die folgende allgemeine Formel (IV) oder (V): wherein R⁴ and R⁵ each represents an alkyl group having 1 to 8 carbon atoms, and R⁴ and R⁵ each represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and an amine compound represented by the following general formula (IV) or (V):

wobei R&sup8; und R¹¹ jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 10 Kohlenstoffatomen darstellt, R&sup9; und R¹&sup0; jeweils eine Alkylgruppe mit 1 bis 20 Kohlenstoffatomen und R¹² bis R¹&sup4; jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 20 Kohlenstoffatomen bezeichnet; wobei Wasser ausgeschlossen ist.wherein R⁸ and R¹¹ each represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, R⁹9 and R¹⁰ each represents an alkyl group having 1 to 20 carbon atoms and R¹² to R¹⁴ each represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; water is excluded.

Beste Ausführungsform der ErfindungBest mode for carrying out the invention

In der erfindungsgemäßen Zusammensetzung hat das das Basisöl der Komponente (a) darstellende geradkettige Olefin 6 bis 40 Kohlenstoffatome wie oben beschrieben. Das geradkettige Olefin mit weniger als 6 Kohlenstoffatomen ist nicht wünschenswert wegen eines niedrigen Flammpunkts. Falls die Anzahl der Kohlenstoffatome mehr als 40 beträgt, wird die praktische Verwendung wegen des festen Zustands problematisch. Darüber hinaus entstehen Schwierigkeiten bei der Mischung und Lösung in Mineralöl, synthetischem Öl und anderen Additiven. Darüber hinaus ist ein geradkettiges Olef in mit mehr als 40 Kohlenstoffatomen nicht gebräuchlich und schwierig erhältlich. Unter vielen Arten des geradkettigen Olefins ist die Zusammensetzung mit einer Doppelbindung in einem Molekül und 6 bis 30 Kohlenstoffatomen bevorzugt. Insbesondere sind α- Olefine (nämlich n-α-Olefine) mit 12 bis 30 Kohlenstoffatomen am meisten bevorzugt.In the composition of the present invention, the straight-chain olefin constituting the base oil of the component (a) has 6 to 40 carbon atoms as described above. The straight-chain olefin having less than 6 carbon atoms is undesirable because of a low flash point. If the number of carbon atoms is more than 40, practical use becomes problematic because of the solid state. Moreover, difficulties arise in mixing and dissolving in mineral oil, synthetic oil and other additives. Moreover, a straight-chain olefin having more than 40 carbon atoms is not common and difficult to obtain. Among many kinds of the straight-chain olefin, the composition having a double bond in a molecule and 6 to 30 carbon atoms is preferred. In particular, α-olefins (namely, n-α-olefins) having 12 to 30 carbon atoms are most preferred.

Insbesondere können Beispiele für das geradkettige Olefin 1- Octen, 1-Decen, 1-Dodecen, 1-Tetradecen, 1-Hexadecen, 1- Octadecen, 1-Eicocen oder Mischungen davon einschließen. Das geradkettige Olefin kann durch verschiedene Verfahren hergestellt werden. Beispielsweise kann ein durch Polymerisation von Ethylen auf übliche Weise erhaltenes Ethylen-Oligomer verwendet werden.Specifically, examples of the straight-chain olefin may include 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene, 1-eicocene, or mixtures thereof. The straight-chain olefin can be prepared by various methods. For example, an ethylene oligomer obtained by polymerizing ethylene in a conventional manner can be used.

Erfindungsgemäß wird Mineralöl und/oder synthetisches Öl gemeinsam mit dem geradkettigen Olefin verwendet. Wasser wird ausgeschlossen. Zuzusetzendes Mineralöl und synthetisches Öl haben üblicherweise eine kinematische Viskosität von 0,5 bis 500 cSt bei einer Temperatur von 40ºC, bevorzugt 0,5 bis 30 cSt. Es können verschiedene Arten Mineralöl verwendet werden, beispielsweise durch atmosphärische Destillation von paraffinischem Rohöl erhaltenes Destillatöl, Zwischenprodukt-Rohöl oder Naphtha-Rohöl oder durch Vakuumdestillation von Rückstandsöl der atmosphärischen Destillation erhaltenes Öl. Als Alternative können raffinierte Öle verwendet werden, erhalten durch Raffinieren des Destillatöls auf übliche Weise, wie Lösungsraffinieren, Hydrierungsraffinieren, Entwachsungsbehandlung und Tonbehandlung. Wenn solches Mineralöl mit dem oben erwähnten geradkettigen Olefin gemischt wird, hat das resultierende Schmieröl eine verbesserte Oxidationsstabilität.According to the invention, mineral oil and/or synthetic oil is used together with the straight-chain olefin. Water is excluded. Mineral oil and synthetic oil to be added usually have a kinematic viscosity of 0.5 to 500 cSt at a temperature of 40ºC, preferably 0.5 to 30 cSt. Various types of mineral oil can be used, for example by atmospheric distillation of distillate oil obtained from paraffinic crude oil, intermediate crude oil or naphtha crude oil, or oil obtained by vacuum distillation of residual oil of atmospheric distillation. Alternatively, refined oils obtained by refining the distillate oil in conventional ways such as solution refining, hydrogenation refining, dewaxing treatment and clay treatment may be used. When such mineral oil is blended with the above-mentioned straight-chain olefin, the resulting lubricating oil has improved oxidation stability.

Als synthetisches Öl können außer dem oben erwähnten geradkettigen Olefin verschiedene Typen α-Olefin verwendet werden, (beispielsweise verzweigtkettige Olefine, wie Polybuten und Polypropylen) und hydrierte Produkte solcher Olefine. Insbesondere sind Polybuten mit niedrigem Molekulargewicht, Polypropylen mit niedrigem Molekulargewicht und α-Olefin-Oligomer mit 8 bis 14 Kohlenstoffatomen bevorzugt. Wenn solches synthetisches Öl mit dem oben erwähnten geradkettigen Olefin gemischt wird, verbreitet das resultierende Schmieröl weniger Geruch während der Verwendung unter Verbesserung der Arbeitsumgebung. Darüber hinaus wird die Entfettungsfähigkeit auf der Oberfläche eines bearbeiteten Produkts verbessert.As the synthetic oil, other than the above-mentioned straight-chain olefin, various types of α-olefin (for example, branched-chain olefins such as polybutene and polypropylene) and hydrogenated products of such olefins can be used. In particular, low-molecular-weight polybutene, low-molecular-weight polypropylene and α-olefin oligomer having 8 to 14 carbon atoms are preferred. When such synthetic oil is blended with the above-mentioned straight-chain olefin, the resulting lubricating oil spreads less odor during use to improve the working environment. In addition, the degreasing ability on the surface of a processed product is improved.

Das Mineralöl oder das synthetische Öl wird zur Herstellung des Basisöls der Komponente (a) mit dem oben erwähnten geradkettigen Olefin gemischt, wobei die Menge des geradkettigen Olefins mindestens 3 Gew.-%, bevorzugt 5 bis 60 Gew.-% beträgt, während die Menge des Mineralöls und/oder des synthetischen Öls höchstens 97 Gew.-%, bevorzugt 95 bis 40 Gew.-% beträgt.The mineral oil or the synthetic oil is mixed with the above-mentioned straight-chain olefin to prepare the base oil of component (a), the amount of the straight-chain olefin being at least 3% by weight, preferably 5 to 60% by weight, while the amount of the mineral oil and/or the synthetic oil is at most 97% by weight, preferably 95 to 40% by weight.

Als die Komponente (b) in der erfindungsgemäßen Zusammensetzung wird eine aus der aus Alkohol und Fettsäure oder einer Kombination von beiden bestehenden Gruppe ausgewählte Verbindung verwendet.As the component (b) in the composition according to the invention, a selected from the group consisting of alcohol and fatty acid or a combination of both existing group selected connection is used.

Als Alkohol können verschiedene Alkohole verwendet werden, wobei unter diesen aliphatischer Alkohol bevorzugt ist. Verzweigtkettige gesättigte oder ungesättigte aliphatische Alkohole mit 6 bis 40 Kohlenstoffatomen (insbesondere 8 bis 30 Kohlenstoffatomen) oder geradkettige gesättigte oder ungesättigte Alkohole mit 6 bis 20 Kohlenstoffatomen (insbesondere 8 bis 18 Kohlenstoffatome) sind bevorzugter. Der Alkohol mit mehr als 6 Kohlenstoffatomen wird wegen Verdampfung oder Verspritzen während der Verwendung schnell verbraucht und ist daher in ökonomischem Sinn nachteilig. Verzweigtkettige Alkohole mit mehr als 40 Kohlenstoffatomen oder geradkettige Alkohole mit mehr als 20 Kohlenstoffatomen sind manchmal ungeeignet, weil sie im Basisöl der Komponente (a) unlöslich sein können.As the alcohol, various alcohols can be used, among which aliphatic alcohol is preferred. Branched-chain saturated or unsaturated aliphatic alcohols having 6 to 40 carbon atoms (particularly 8 to 30 carbon atoms) or straight-chain saturated or unsaturated alcohols having 6 to 20 carbon atoms (particularly 8 to 18 carbon atoms) are more preferred. The alcohol having more than 6 carbon atoms is quickly consumed due to evaporation or splashing during use and is therefore disadvantageous in an economical sense. Branched-chain alcohols having more than 40 carbon atoms or straight-chain alcohols having more than 20 carbon atoms are sometimes unsuitable because they may be insoluble in the base oil of component (a).

Beispiele für solche Alkohole schließen Octyl (2-Ethylhexyl)alkohol, Decylalkohol, Laurylalkohol, Myristylalkohol, Cetylalkohol, Stearylalkohol, Eicosylalkohol, Oleylalkohol, Isostearylalkohol, Oxoalkohol und ähnliches ein. Die Menge des Alkohols ist nicht beschränkt, geeigneterweise werden jedoch 0,05 bis 50 Gew.-%, bevorzugt 0,1 bis 20 Gew.-%, bezogen auf die Gesamtmenge der Zusammensetzung verwendet.Examples of such alcohols include octyl (2-ethylhexyl) alcohol, decyl alcohol, lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, eicosyl alcohol, oleyl alcohol, isostearyl alcohol, oxo alcohol and the like. The amount of the alcohol is not limited, but 0.05 to 50% by weight, preferably 0.1 to 20% by weight, based on the total amount of the composition is suitably used.

Als Fettsäure werden geradkettige/verzweigtkettige gesättigte/ungesättigte Fettsäuren mit 6 bis 40 Kohlenstoffatomen (bevorzugt 8 bis 20 Kohlenstoffatomen) verwendet. Es besteht das Risiko, daß Fettsäure mit weniger als 6 Kohlenstoffatomen wegen Verdampfen oder Spritzen während der Verwendung schnell verbraucht werden, während Fettsäure mit mehr als 40 Kohlenstoffatomen manchmal unlöslich im Basisöl der Komponente (a) sind. Beispiele für solche Fettsäuren können Caprylsäure, Caprinsäure, Laurinsäure, Myristinsäure, Palmitinsäure, Stearinsäure, Arachinsäure, Behensäure, Isostearinsäure, Undecylensäure, Ölsäure, Linolsäure, Linolensäure, Arachidonsäure und ähnliches einschließen. Die Menge an Fettsäure beträgt 0,05 bis 1,0 Gew.-%, bezogen auf die Gesamtmenge der Zusammensetzung. Falls die Menge an Fettsäure 1,0 Gew.-% übersteigt, wird die Wirkung gegen Flecken beim Härten ungünstig verschlechtert.As the fatty acid, straight-chain/branched-chain saturated/unsaturated fatty acids having 6 to 40 carbon atoms (preferably 8 to 20 carbon atoms) are used. There is a risk that fatty acids having less than 6 carbon atoms are rapidly consumed due to evaporation or splashing during use, while fatty acids having more than 40 carbon atoms are sometimes insoluble in the base oil of component (a). Examples of such fatty acids may include caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, isostearic acid, undecylenic acid, oleic acid, linoleic acid, linolenic acid, arachidonic acid and the like. The amount of fatty acid is 0.05 to 1.0 wt% based on the total amount of the composition. If the amount of fatty acid exceeds 1.0 wt%, the anti-stain effect upon curing is adversely deteriorated.

Wie beschrieben, umfaßt die erfindungsgemäße Zusammensetzung die oben erwähnten Komponenten (a) und (b). Anstelle der Komponente (b) oder alternativ zusätzlich zu den Komponenten (a) und (b) ist es möglich, die Komponente (c) zuzumischen, die mindestens eine aus der aus phenolischen Verbindungen und Aminverbindungen bestehenden Gruppe ausgewählte Verbindung umfaßt.As described, the composition of the invention comprises the above-mentioned components (a) and (b). Instead of the component (b) or alternatively in addition to the components (a) and (b), it is possible to blend the component (c) which comprises at least one compound selected from the group consisting of phenolic compounds and amine compounds.

Es können verschiedene Arten phenolischer Verbindungen verwendet werden. Im allgemeinen wird die durch die folgende allgemeine Formel (II) oder (III) dargestellte phenolische Verbindung eingesetzt, Various types of phenolic compounds can be used. Generally, the phenolic compound represented by the following general formula (II) or (III) is used,

(In der Formel bezeichnet R&sup4; und R&sup5; jeweils eine Alkylgruppe mit 1 bis 8 Kohlenstoffatomen, und R&sup6; und R&sup7; bezeichnet jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 6 Kohlenstoffatomen.) Insbesondere sind 2,6-Di-tert.-butyl-4- methylphenol (DBPC), 2,6-Di-tert.-butyl-4-ethylphenol, 2,2'- Methylenbis-(4-methyl-6-tert.-butylphenol), 2,2'-Methylenbis(4-ethyl-6-tert.-butylphenol) und ähnliches bevorzugt.(In the formula, R⁴ and R⁵ each represents an alkyl group having 1 to 8 carbon atoms, and R⁵ and R⁵ each represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.) In particular, 2,6-di-tert-butyl-4-methylphenol (DBPC), 2,6-di-tert-butyl-4-ethylphenol, 2,2'-methylenebis(4-methyl-6-tert-butylphenol), 2,2'-methylenebis(4-ethyl-6-tert-butylphenol) and the like are preferred.

Als Aminverbindungen können geeigneterweise die durch die folgende allgemeine Formel (IV) oder (V) dargestellten Verbindungen eingesetzt werden: As amine compounds, the compounds represented by the following general formula (IV) or (V) can be suitably used:

(In der Formel bezeichnet R&sup8; und R¹¹ jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 10 Kohlenstoffatomen, R&sup9; und R¹&sup0; bezeichnet jeweils eine Alkylgruppe mit 1 bis 20 Kohlenstoffatomen und R¹² bis R¹&sup4; bezeichnet jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 20 Kohlenstoffatomen.)(In the formula, R⁸ and R¹¹ each represents a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, R⁹9 and R¹⁰ each represents an alkyl group having 1 to 20 carbon atoms, and R¹² to R¹⁴ each represents a hydrogen atom or an alkyl group having 1 to 20 carbon atoms.)

Insbesondere sind Di-p-octyldiphenylamin, Di-p-Butyldiphenylamin, Di-p-nonyldiphenylamin, Phenyl-α-naphthylamin, Phenyl-β-naphthylamin und ähnliches bevorzugt.In particular, di-p-octyldiphenylamine, di-p-butyldiphenylamine, di-p-nonyldiphenylamine, phenyl-α-naphthylamine, phenyl-β-naphthylamine and the like are preferred.

Die Menge der Komponente (c) beträgt bevorzugt nicht weniger als 0,1 Gew.-%, bevorzugter 0,1 bis 2,0 Gew.-%, bezogen auf die Gesamtmenge der Zusammensetzung.The amount of component (c) is preferably not less than 0.1% by weight, more preferably 0.1 to 2.0% by weight, based on the total amount of the composition.

Falls gewünscht, kann eine geeignete Menge eines Schmierfähigkeitsmittels, eines Fxtremdruckmittels, eines Rostinhibitors, eines Korrosionsinhibitors, eines Entschäumers oder ähnliches mit der erfindungsgemäßen Zusammensetzung vermischt werden.If desired, an appropriate amount of a lubricant, a pressure reducing agent, a rust inhibitor, a corrosion inhibitor, a defoamer or the like may be mixed with the composition of the present invention.

BeispieleExamples

Im folgenden wird eine detailliertere Beschreibung im Hinblick auf die Erfindung unter Bezug auf Beispiele und Vergleichsbeispiele gegeben.In the following, a more detailed description will be given regarding the invention with reference to examples and comparative examples.

Beispiele 1 bis 5 und Vergleichsbeispiele 1 bis 10Examples 1 to 5 and Comparative Examples 1 to 10

Die folgenden Walztests wurden durchgeführt unter Verwendung eines Walzschinieröl, das die in Tabelle 1 gezeigte Zusammensetzung hat.The following rolling tests were carried out using a rolling oil having the composition shown in Table 1.

Walztest (Aluminiumplattenwalzen)Rolling test (aluminium plate rolling)

Eine JIS A 5052 Aluminiumplatte (aufgewalzte Platte mit einer Dicke von 1,2 mm und einer Breite von 60 mm) wurde als zu walzendes Material hergestellt. Mit jedem Schmieröl für das Walzen wurde die Platte in einer vierstufigen Walzmühle mit einem Arbeitswalzendurchmesser von 135 mm bei einer Walzgeschwindigkeit von 100 in/min unter Vorwärtszug von 170 kgf und 400 kgf gewalzt. Der Walzprozeß wurde so durchgeführt, daß die Reduktion stufenweise pro 20 in Länge während eines Durchgangs erhöht wurde von 50,0 54,2 58,3 60,8 63,3 65,8 68,3 (%). Bei der Platte mit einer Dicke von 0,38 mm (Verstreckung von 68,3 %) nach dem Walzprozeß (nach 7 Durchgängen) wurde die Walzlast gemessen. Die Detergenz für Abriebstaub und die Wirksamkeit gegen Flecken wurden nach den folgenden Methoden beurteilt.A JIS A 5052 aluminum plate (rolled plate with a thickness of 1.2 mm and a width of 60 mm) was prepared as a material to be rolled. With each lubricating oil for rolling, the plate was rolled in a four-stage rolling mill with a work roll diameter of 135 mm at a rolling speed of 100 in/min under forward tension of 170 kgf and 400 kgf. The rolling process was carried out so that the reduction was gradually increased per 20 in length during one pass from 50.0 54.2 58.3 60.8 63.3 65.8 68.3 (%). For the plate with a thickness of 0.38 mm (stretch of 68.3%) after the rolling process (after 7 passes), the rolling load was measured. The detergency for abrasion dust and the effectiveness against stains were evaluated by the following methods.

(a) Beurteilungsmethode für die Detergenz für Abriebstaub (Tape-Testmethode)(a) Assessment method for detergent for abrasion dust (Tape test method)

Ein Cellophan-Tape wurde nach dem Walzen auf der Oberfläche der Aluminiumplatte befestigt, um den darauf haftenden Abriebstaub abzulösen. Dann wurde das Tape auf ein weißes Papierblatt aufgebracht, um visuell den Kontaminationsgrad durch Abriebstaub zu bestimmen. So wurde die Detergenz für auf der Oberfläche der Aluminiumplatte haftenden Abriebstaub beurteilt. Die so erhaltenen Ergebnisse sind in Tabelle 1 dargestellt.A cellophane tape was attached to the surface of the aluminum plate after rolling to remove the abrasion dust adhering to it. Then the tape was applied to a white paper sheet to visually determine the degree of contamination by abrasion dust. In this way, the detergent for abrasion dust adhering to the surface of the aluminum plate. The results obtained are shown in Table 1.

(b) Beurteilungsmethode für die Wirksamkeit gegen Flecken beim Härten(b) Assessment method for anti-staining effectiveness during curing

Die Aluminiumplatte wurde nach dem Walzen in Stücke mit einer kurzen Länge von 10 cm geschnitten. Ein Stapel von einigen zehn der geschnittenen Stücke wurde durch eine dicke Stahlplatte fixiert und in einem kleinen Härteofen gehärtet.The aluminum plate was cut into pieces with a short length of 10 cm after rolling. A stack of several tens of the cut pieces was fixed by a thick steel plate and hardened in a small hardening furnace.

Der Erwärmungsprozeß im Härteofen umfaßt die Stufen: Erhitzen in einer Luftatmosphäre mit einer Temperaturanstiegsgeschwindigkeit von 5ºC/min bis zum Erreichen der Temperatur von 330ºC; Halten während 30 Minuten; und Abkühlen. Nach Vervollständigung des Erwärmungsprozesses wurde der Grad des Auftretens von Härtungsflecken auf der gehärteten Platte visuell bestimmt. So wurde die Wirksamkeit gegen Flecken bestimmt. Die Ergebnisse sind in Tabelle 1 dargestellt. Tabelle 1 Beispiele Vergleichsbeispiele Zusammensetzung (Gew.-%) n-α-olefin *1 Mineralöl *2 Polybuten *3 Decylalkohol Laurylalkohol Oleylalkohol Oxoalkohol Laurinsäure Ölsäure 2,6-di-t-Butyl-4-4methylphenol Dioctyldiphenylamin Methyllaurat Deterg-enz für Abriebstaub *4 Wirksamkeit gegen Flecken *5 Walzlast (Tonnen) The heating process in the curing oven includes the steps of heating in an air atmosphere at a temperature rise rate of 5ºC/min until the temperature reaches 330ºC; holding for 30 minutes; and cooling. After completion of the heating process, the degree of occurrence of curing spots on the cured plate was visually determined. Thus, the anti-staining effectiveness was determined. The results are shown in Table 1. Table 1 Examples Comparative examples Composition (wt%) n-α-olefin *1 Mineral oil *2 Polybutene *3 Decyl alcohol Lauryl alcohol Oleyl alcohol Oxo alcohol Lauric acid Oleic acid 2,6-di-t-butyl-4-methylphenol Dioctyldiphenylamine Methyl laurate Detergent for abrasion dust *4 Effectiveness against stains *5 Rolling load (tons)

*1 Eine äquivalente Mischung von 1-Hexadecen und 1-Octadecen*1 An equivalent mixture of 1-hexadecene and 1-octadecene

*2 Ein paraffinisches Mineralöl mit einer kinematischen Viskosität von 4 cSt bei 40ºC*2 A paraffinic mineral oil with a kinematic viscosity of 4 cSt at 40ºC

*3 Das mit einer kinematischen Viskosität von 6 cst bei 40ºC*3 The product with a kinematic viscosity of 6 cst at 40ºC

*4 o, , X bedeuten jeweils wenig Kontamination, einige Kontamination und viel Kontamination*4 o, , X mean little contamination, some contamination and a lot of contamination respectively

*5 o, , X bedeuten jeweils wenig Flecken, einige Flecken und viele Flecken Tabelle 1 - Fortsetzung Vergl.-Beispiele Zusammensetzung (Gew.-%) n-α-olefin *1 Mineralöl *2 Polybuten *3 Decylalkohol Laurylalkohol Oleylalkohol Oxoalkohol Laurinsäure Ölsäure 2,6-di-t-Butyl-4-4methylphenol Dioctyldiphenylamin Methyllaurat Deterg-enz für Abriebstaub *4 Wirksamkeit gegen Flecken *5 Walzlast (Tonnen) *5 o, , X mean few spots, some spots and many spots respectively Table 1 - Comparative examples continued Composition (wt.%) n-α-olefin *1 Mineral oil *2 Polybutene *3 Decyl alcohol Lauryl alcohol Oleyl alcohol Oxo alcohol Lauric acid Oleic acid 2,6-di-t-butyl-4-methylphenol Dioctyldiphenylamine Methyl laurate Detergent for abrasion dust *4 Effectiveness against stains *5 Rolling load (tons)

*1 Eine äquivalente Mischung von 1-Hexadecen und 1-Octadecen*1 An equivalent mixture of 1-hexadecene and 1-octadecene

*2 Ein paraffinisches Mineralöl mit einer kinematischen Viskosität von 4 cSt bei 40ºC*2 A paraffinic mineral oil with a kinematic viscosity of 4 cSt at 40ºC

*3 Das mit einer kinematischen Viskosität von 6 cst bei 40ºC*3 The product with a kinematic viscosity of 6 cst at 40ºC

*4 o, , X bedeuten jeweils wenig Kontamination, einige Kontamination und viel Kontamination*4 o, , X mean little contamination, some contamination and a lot of contamination respectively

*5 o, , X bedeuten jeweils wenig Flecken, einige Flecken und viele Flecken*5 o, , X mean few spots, some spots and many spots respectively

Vergleichsbeispiele 11 bis 14Comparative examples 11 to 14

Die folgenden Schneidtests wurden unter Verwendung des Schmieröls zum Schneiden mit der in Tabelle 2 dargestellten Zusammensetzung durchgeführt.The following cutting tests were conducted using the cutting lubricating oil having the composition shown in Table 2.

Schneidtest (Schneiden der Endfläche eines Zylinders)Cutting test (cutting the end face of a cylinder)

Ein zylindrisches Aluminiumlegierungsmaterial (AC-4A-T6) mit einem Durchmesser von 80 mm wurde als zu schneidendes Material hergestellt. Das Aluininiumlegierungsmaterial wurde zur Bildung einer Endfläche unter Verwendung eines Schneidwerkzeugs (zementiertes Karbid P20) unter den Schneidbedingungen geschnitten, daß die Schneidtiefe (t) 1 mm beträgt und die Nachschubrate (f) 0,1 mm/Uindrehung beträgt.A cylindrical aluminum alloy material (AC-4A-T6) with a diameter of 80 mm was prepared as a material to be cut. The aluminum alloy material was cut to form an end face using a cutting tool (cemented carbide P20) under the cutting conditions that the cutting depth (t) is 1 mm and the feed rate (f) is 0.1 mm/rev.

Nach dem Schneiden wurde die Oberflächenrauheit (Rmax) der geschnittenen Endfläche gemessen, während die Fläche beobachtet wurde. Die Ergebnisse sind in Tabelle 2 dargestellt. Tabelle 2 Vergleichsbeispiel n-α-olefin *1 (Gew.%) Mineralöl *2 (Gew.%) Laurylalkohol (Gew.%) Rauheit (Rmax) (um) nur Nachschubspuren (theoretische Rauheit) Störung der Nachschubspuren von der gebildeten Kante abgelöste Fragmente haften an *1, *2 siehe Tabelle 1After cutting, the surface roughness (Rmax) of the cut end face was measured while observing the face. The results are shown in Table 2. Table 2 Comparative example n-α-olefin *1 (wt.%) Mineral oil *2 (wt.%) Lauryl alcohol (wt.%) Roughness (Rmax) (um) only replenishment traces (theoretical roughness) Disturbance of the replenishment traces Fragments detached from the formed edge adhere to *1, *2 see Table 1

Gewerbliche AnwendbarkeitCommercial applicability

Wie oben beschrieben, wird durch die Verwendung einer erfindungsgemäßen Schmierölzusammensetzung die Detergenz für Abriebstaub verbessert. Bei der Metallbearbeitung (plastische Bearbeitung wie Walzen, Ziehen, Schneiden, Kaltschmieden; Fräsen; und Schleifen) für verschiedene Arten von Metallen und Legierungen davon, während die Wirksamkeit gegen Flecken beim Härten eines bearbeiteten Materials verbessert wird.As described above, by using a lubricating oil composition of the present invention, detergency for abrasion dust is improved in metal working (plastic working such as rolling, drawing, cutting, cold forging; milling; and grinding) for various kinds of metals and alloys thereof, while anti-staining effectiveness is improved in hardening a worked material.

Dementsprechend wird eine erfindungsgemäße Schinierölzusammensetzung verbreitet und wirksam als Metallbearbeitungsöl bei der plastischen Bearbeitung, Schneiden oder Schleifen verschiedener Arten von Metallen und Legierungen wie Aluminium, Aluminiumlegierung und Aluminiumblech verwendet.Accordingly, a grinding oil composition of the present invention is widely and effectively used as a metalworking oil in plastic working, cutting or grinding of various kinds of metals and alloys such as aluminum, aluminum alloy and aluminum sheet.

Claims (2)

1. Eine Schmierölzusammensetzung für die Metallbearbeitung, im wesentlichen bestehend aus1. A lubricating oil composition for metalworking, consisting essentially of (a) einem Basisöl, das als wesentliche Komponente mindestens 3 Gew.-% eines geradkettigen Olefins mit 6 bis 40 Kohlenstoffatomen im Gemisch mit mindestens 97 Gew.-% eines Mineralöls und/oder eines synthetischen Cin enthält; die Gewichtsprozent sind bezogen auf das Gewicht des Basisöls;(a) a base oil containing as an essential component at least 3% by weight of a straight-chain olefin having 6 to 40 carbon atoms in a mixture with at least 97% by weight of a mineral oil and/or a synthetic cinna; the weight percentages are based on the weight of the base oil; (b) mindestens einer Komponente, ausgewählt aus 0,05 bis 50 Gew.-% eines verzweigtkettigen gesättigten oder ungesättigten aliphatischen Alkohols mit 6 bis 40 Kohlenstoffatomen oder eines geradkettigen gesättigten oder ungesättigten aliphatischen Alkohols mit 6 bis 20 Kohlenstoffatomen und 0,05 bis 1,0 Gew.-% einer geradkettigen/verzweigtkettigen gesättigten/ungesättigten Fettsäure mit 6 bis 40 Kohlenstoffatomen, bezogen auf die Gesamtmenge der Zusammensetzung; und(b) at least one component selected from 0.05 to 50% by weight of a branched-chain saturated or unsaturated aliphatic alcohol having 6 to 40 carbon atoms or a straight-chain saturated or unsaturated aliphatic alcohol having 6 to 20 carbon atoms and 0.05 to 1.0% by weight of a straight-chain/branched-chain saturated/unsaturated fatty acid having 6 to 40 carbon atoms, based on the total amount of the composition; and (c) nicht weniger als 0,1 Gew.-%, bezogen auf die Gesamtmenge der Zusammensetzung, mindestens einer Verbindung, ausgewählt aus der Gruppe, bestehend aus einer durch die folgende allgemeine Formel (II) oder (III) dargestellten phenolischen Verbindung: (c) not less than 0.1% by weight, based on the total amount of the composition, of at least one compound selected from the group consisting of a phenolic compound represented by the following general formula (II) or (III): wobei R&sup4; und R&sup5; jeweils eine Alkylgruppe mit 1 bis 8 Kohlenstoffatomen und R&sup6; und R&sup7; jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 6 Kohlenstoffatomen bezeichnet und einer Aminverbindung, dargestellt durch die folgende allgemeine Formel (IV) oder (V) wherein R⁴ and R⁵ each represents an alkyl group having 1 to 8 carbon atoms and R⁵ and R⁵ each represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms and an amine compound represented by the following general formula (IV) or (V) wobei jeweils R&sup8; und R¹¹ ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 10 Kohlenstoffatomen bezeichnet und R&sup9; und R¹&sup0; jeweils eine Alkylgruppe mit 1 bis 20 Kohlenstoffatomen bezeichnet, und R¹² bis R¹&sup4; jeweils ein Wasserstoffatom oder eine Alkylgruppe mit 1 bis 20 Kohlenstoffatomen bezeichnet; wobei Wasser ausgeschlossen ist.wherein R⁸ and R¹¹ each denote a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, and R⁹9; and R¹⁰ each denote an alkyl group having 1 to 20 carbon atoms, and R¹² to R¹⁴ each denote a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; wherein water is excluded. 2. Eine Schmierölzusammensetzung für die Metallbearbeitung entsprechend Anspruch 1, die weiter (d) mindestens eine aus der aus Schmierfähigkeitsmittel, Extremdruckmittel, Rostinhibitor, Korrosionsinhibitor und Entschäumer bestehenden Gruppe ausgewählte Verbindung enthält.2. A metalworking lubricating oil composition according to claim 1, further comprising (d) at least one compound selected from the group consisting of lubricity agent, extreme pressure agent, rust inhibitor, corrosion inhibitor and defoamer.
DE69114672T 1990-05-14 1991-04-23 LUBRICANT COMPOSITION FOR METAL WORKING. Expired - Lifetime DE69114672T2 (en)

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