DE4217859A1 - Anti-fog additive for water-miscible and water-mixed cooling lubricants - Google Patents

Anti-fog additive for water-miscible and water-mixed cooling lubricants

Info

Publication number
DE4217859A1
DE4217859A1 DE4217859A DE4217859A DE4217859A1 DE 4217859 A1 DE4217859 A1 DE 4217859A1 DE 4217859 A DE4217859 A DE 4217859A DE 4217859 A DE4217859 A DE 4217859A DE 4217859 A1 DE4217859 A1 DE 4217859A1
Authority
DE
Germany
Prior art keywords
acid
water
weight
cooling lubricants
esters
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.)
Withdrawn
Application number
DE4217859A
Other languages
German (de)
Inventor
Ulrich Dr Eicken
Herbert Dr Lingmann
Raimund Dr Browarzik
Susanne Noelke
Wolfgang Roehricht
Manfred Gorzinski
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.)
Henkel AG and Co KGaA
Original Assignee
Henkel AG and Co KGaA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Henkel AG and Co KGaA filed Critical Henkel AG and Co KGaA
Priority to DE4217859A priority Critical patent/DE4217859A1/en
Priority to EP93912743A priority patent/EP0642571B1/en
Priority to AT93912743T priority patent/ATE140024T1/en
Priority to PCT/EP1993/001269 priority patent/WO1993024601A1/en
Priority to DE59303150T priority patent/DE59303150D1/en
Publication of DE4217859A1 publication Critical patent/DE4217859A1/en
Withdrawn legal-status Critical Current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
    • C10M173/00—Lubricating compositions containing more than 10% water
    • 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
    • C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
    • C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
    • 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
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    • 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
    • C10M129/26—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
    • C10M133/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M133/08—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups
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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
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    • C10M145/18—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M145/24—Polyethers
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    • C10M149/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M149/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amido or imido group
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
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    • C10M2201/082—Inorganic acids or salts thereof containing nitrogen
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    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/084—Inorganic acids or salts thereof containing sulfur, selenium or tellurium
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    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/085—Phosphorus oxides, acids or salts
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    • C10M2201/087—Boron oxides, acids or salts
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Abstract

Clear water-soluble polymer compounds having a mean molecular weight higher than 10<6> and selected among the polyalkylene oxides, polyacryl amides, polymethacryl amides and the copolymers of acryl amide and/or methacryl amide with unsaturated organic carboxylic acids having 3 to 5 C-atoms are used in water-miscible and water mixed cooling lubricants to reduce mist formation.

Description

Die Erfindung betrifft die Verwendung von klarwasserlöslichen Po­ lymerverbindungen mit hohem Molekulargewicht in wassermischbaren oder wassergemischten Kühlschmierstoffen zur Vermeidung der Nebel­ bildung.The invention relates to the use of clear water-soluble Po high molecular weight polymer compounds in water miscible or water-mixed coolants to avoid fog education.

Der Begriff der Kühlschmierstoffe ist beispielsweise in einer In­ formationsbroschüre der Maschinenbau- und Kleineisenindustrie-Be­ rufsgenossenschaft Düsseldorf in ausführlicher Weise definiert. Bei Kühlschmierstoffen unterscheidet man zwischen nicht wassermisch­ baren, wassermischbaren und wassergemischten Kühlschmierstoffen.The concept of cooling lubricants is, for example, in an In formation brochure of the mechanical engineering and small iron industry rufsgenossenschaft Düsseldorf defined in detail. At A distinction is made between cooling lubricants and non-water mix clear, water-miscible and water-mixed cooling lubricants.

Die Gruppe der wassermischbaren Kühlschmierstoffe läßt sich wei­ terhin unterteilen in emulgierbare Kühlschmierstoffe, und wasser­ lösliche Kühlschmierstoffe. Die Gruppe der wassergemischten Kühl­ schmierstoffe läßt sich unterteilen in Kühlschmieremulsionen und Kühlschmierlösungen.The group of water-miscible coolants can be white further divide into emulsifiable cooling lubricants, and water soluble cooling lubricants. The group of water-mixed cooling Lubricants can be divided into cooling lubricant emulsions and Cooling lubrication solutions.

Wassermischbare Kühlschmierstoffe, d. h. Konzentrate, werden vor der Anwendung mit Wasser gemischt. Emulgierbare Kühlschmierstoffe bil­ den eine diskontinuierliche Phase einer Emulsion Öl-in-Wasser. Kühl­ schmierstoffe, die mit Wasser gemischt Lösungen ergeben, umfassen neben echten Lösungen auch Lösungen der Assoziationskolloide, z. B. "Lösungen von Seifen". Der Begriff wassergemischte Kühlschmier­ stoffe umfaßt wassermischbare Kühlschmierstoffe im Anwendungszu­ stand. Water-miscible coolants, d. H. Concentrates are made before Application mixed with water. Emulsifiable cooling lubricants bil the discontinuous phase of an oil-in-water emulsion. Cool lubricants that give solutions mixed with water in addition to real solutions also solutions of association colloids, e.g. B. "Soap solutions". The term water-mixed cooling lubricant substances includes water-miscible cooling lubricants in use was standing.  

Begriffe wie Bohremulsion, Bohrmilch, Kühlmittel, Schleifwasser, Schleiföl oder Räumöl werden auch heute noch in der betrieblichen Umgangssprache verwendet.Terms such as drilling emulsion, drilling milk, coolant, grinding water, Grinding oil or clearing oil are still used today in the company Colloquial used.

Bei der Metallbearbeitung, insbesondere solchen Vorgängen wie Schneiden mit hoher Geschwindigkeit, Schleifen oder Verformen, werden insbesondere wassermischbare Kühlschmiermittel verwendet, um die Abnutzung des Werkzeuges zu vermindern. Durch die starke Ver­ wirbelung bei der Bearbeitung können Kühlschmierstoff-Nebel ent­ stehen, die in der Umgebung zu Ablagerungen führen, beim Einatmen zu Reizungen der Atemorgane und daher zu wenig erwünschten Arbeits­ bedingungen führen. Ein analoges Problem tritt bei der Schmierung von mit Preßluft betriebenen Schlag- und Bohrwerkzeugen auf, ins­ besondere Gesteinsbohrmaschinen, Abbauhämmern und ähnlichen Ge­ räten. Diese erhalten gewöhnlich die zu ihrem Betrieb notwendige Druckluft über eine Schlauchverbindung von einem Verdichter. Die Druckluft dient nicht nur zum Antrieb der Werkzeuge, sondern führt ihren bewegten Teilen zugleich feine Schmieröltröpfchen als Schmiermittel zu. Eine übermäßig starke Sprühölung verursacht je­ doch erhebliche Schwierigkeiten, da die entspannte Druckluft am Gerät frei austritt und das überflüssige Schmieröl als Nebel mit­ führt.In metalworking, especially such operations as Cutting at high speed, grinding or deforming, In particular, water-miscible cooling lubricants are used to reduce tool wear. Due to the strong ver Whirling during machining can cause cooling lubricant mist standing, which lead to deposits in the area when inhaled to irritation of the respiratory organs and therefore too little desired work lead conditions. An analogous problem occurs with lubrication of impact and drilling tools operated with compressed air, ins special rock drilling machines, hammers and similar Ge advise. These usually receive what is necessary for their operation Compressed air via a hose connection from a compressor. The Compressed air not only serves to drive the tools, it also leads their moving parts at the same time fine droplets of lubricating oil as Lubricant too. Excessive oil spray will cause but considerable difficulties, since the relaxed compressed air on Device emerges freely and the excess lubricating oil as a mist leads.

Aus der DE-A-27 14 252 sind Bearbeitungsöle für die Metallbearbei­ tung mit verringerter Neigung zur Nebelbildung bekannt, die ein ataktisches Polypropylen in einer 0,5 Gew.-% nicht übersteigenden Menge enthalten.DE-A-27 14 252 discloses processing oils for metalworking tion known with a reduced tendency to fog, the one atactic polypropylene in a weight not exceeding 0.5% by weight Amount included.

Aus der US-A-3 919 098 sind Schleifmittel bekannt, die im wesent­ lichen aus Mineralöl bestehen, die eine geringe Menge eines Anti- Nebel-Additivs enthalten, das ausgewählt ist aus Polyisobuten, Poly-n-buten und deren Mischungen, die ein durch Viskosität be­ stimmtes mittleres Molekulargewicht im Bereich von 300 000 bis 10 000 000 aufweisen.From US-A-3 919 098 abrasives are known which essentially made from mineral oil containing a small amount of an anti Contain fog additive selected from polyisobutene,  Poly-n-butene and mixtures thereof, which are characterized by viscosity true average molecular weight in the range of 300,000 to Have 10,000,000.

Aus der DE-A-26 57 268 ist die Verwendung eines amorphen Ethylen/ Propylen-Mischpolymerisats in Mineralschmierölen von Preßluftwerk­ zeugen bekannt.DE-A-26 57 268 describes the use of an amorphous ethylene / Propylene copolymers in mineral lubricating oils from compressed air testify known.

In Lubrication Engineering, Vol. 33, S. 128-132 (1977) werden Öl­ nebel auf dem hier vorliegenden Gebiet sowie die Zusammenhänge von Molekulargewichten von Polymeren und deren Auswirkungen auf den Ölnebel eingehend beschrieben. Es wird angegeben, daß die Moleku­ largewichte der einzusetzenden Anti-Nebel-Additive so hoch wie mög­ lich sein sollten. Insbesondere wird empfohlen, ein Polymethacrylat mit einem mittleren Molekulargewicht zwischen 300 000 und 400 000 einzusetzen.In Lubrication Engineering, Vol. 33, pp. 128-132 (1977), oil fog in the field here and the relationships between Molecular weights of polymers and their effects on the Oil mist described in detail. It is stated that the molecule Lar weights of the anti-fog additives to be used as high as possible should be. In particular, a polymethacrylate is recommended with an average molecular weight between 300,000 and 400,000 to use.

Aus der DE-A-40 00 304 sind Spinnpräparationen in Form wäßriger Emulsionen oder wäßriger Lösungen bekannt, die wasserlösliche Po­ lymerverbindungen mit Gewichtsmitteln der Molekulargewichte <106 enthalten. Diese sind ausgewählt aus Polyalkylenoxiden, Polyacryl­ amiden, Polymethacrylamiden und Copolymeren aus Acrylamid und/oder Methacrylamid und ungesättigten Carbonsäuren mit 3 bis 5 C-Atomen. Die Aufgabe der wasserlöslichen Polymerverbindungen besteht in ei­ ner Verminderung des Abschleuderns von textilen Gleitmitteln, ins­ besondere von Spinnpräparationen von faseroberflächen. Dieses Ab­ spritzen bringt eine Beeinträchtigung der Sicherheit mit sich, bei­ spielsweise schlüpfrige Fußböden in der unmittelbaren Umgebung der Maschinen sowie Atmungsbehinderungen und Hautreizungen, hervorge­ rufen durch abgeschleuderte Tröpfchen, die sich in Form feiner Ne­ bel verteilen.DE-A-40 00 304 discloses spin finishes in the form of aqueous emulsions or aqueous solutions which contain water-soluble polymer compounds with weight average molecular weights <10 6 . These are selected from polyalkylene oxides, polyacrylic amides, polymethacrylamides and copolymers of acrylamide and / or methacrylamide and unsaturated carboxylic acids with 3 to 5 carbon atoms. The task of the water-soluble polymer compounds is to reduce the spin-off of textile lubricants, in particular of spin finishes on fiber surfaces. This spraying brings with it an impairment of safety, for example slippery floors in the immediate vicinity of the machines, as well as breathing difficulties and skin irritation, caused by droplets that are thrown out and distributed in the form of fine fog.

Die Aufgabe der vorliegenden Erfindung besteht demgegenüber darin, neue wasserlösliche Anti-Nebel-Additive für wassermischbare, d. h. Konzentrate, oder wassergemischte, d. h. Anwendungslösungen, Kühl­ schmierstoffe zur Verfügung zu stellen, bei denen die Nebelbildung unterdrückt bzw. gänzlich vermieden wird.In contrast, the object of the present invention is new water-soluble anti-fog additives for water-miscible, d. H. Concentrates, or water-mixed, d. H. Application solutions, cooling to provide lubricants where fog formation is suppressed or completely avoided.

Die vorstehende Aufgabe wird gelöst durch die Verwendung an von an sich bekannten klarwasserlöslichen Polymerverbindungen mit Ge­ wichtsmitteln der Molekulargewichte <106, die ausgewählt sind aus Polyalkylenoxiden, Polyacrylamiden, Polymethacrylamiden und Copoly­ meren von Acrylamid und/oder Methacrylamid und ungesättigten orga­ nischen Carbonsäuren mit 3 bis 5 C-Atomen, in wassermischbaren oder wassergemischten Kühlschmierstoffen zur Vermeidung der Nebelbil­ dung.The above object is achieved by the use of known clear water-soluble polymer compounds with Ge weight averages of molecular weights <10 6 , which are selected from polyalkylene oxides, polyacrylamides, polymethacrylamides and copolymers of acrylamide and / or methacrylamide and unsaturated organic carboxylic acids with 3 to 5 carbon atoms, in water-miscible or water-mixed cooling lubricants to avoid the formation of fog.

Überraschenderweise wurde gefunden, daß der Zusatz der genannten hochmolekulargewichtigen Polymerverbindungen in den genannten Kühl­ schmierstoffen geeignet ist, die Nebelbildung zu unterdrücken. Die erfindungsgemäß modifizierten Kühlschmierstoffe umfassen somit was­ sermischbare und wassergemischte Kühlschmierstoffe.Surprisingly, it was found that the addition of the above high molecular weight polymer compounds in the mentioned cooling lubricants is suitable to suppress the formation of fog. The Cooling lubricants modified according to the invention thus comprise what miscible and water-mixed cooling lubricants.

Besonders bevorzugt im Sinne der vorliegenden Erfindung sind Poly­ ethylenoxide als Polymerverbindung. Polyethylenoxide mit Gewichts­ mitteln der Molekulargewichte <106 werden beispielsweise von Union Carbide als Pulver unter dem Namen Polyox® WSR 301 (Molekularge­ wicht oberhalb 106) und Polyox® Coagulant (Molekulargewicht 5 000 000) und Polyacrylamide mit Gewichtsmitteln der Molekulargewichte <106, beispielsweise von Henkel KGaA unter der Bezeichnung ferro­ cryl® oder von Stockhausen unter der Bezeichnung Praestol® angebo­ ten. Copolymere aus Acrylamid und ungesättigten Carbonsäuren mit 3 bis 5 C-Atomen, beispielsweise Copolymere aus Acrylamid und Acryl­ säure mit Gewichtsmitteln der Molekulargewichte <106 sind beispielsweise unter dem Namen Superfloc® (Hersteller: Cyanamid) erhältlich.For the purposes of the present invention, particular preference is given to polyethylene oxides as polymer compounds. Polyethylene oxides with weight average molecular weights <10 6 are, for example, from Union Carbide as powder under the name Polyox® WSR 301 (molecular weight above 10 6 ) and Polyox® Coagulant (molecular weight 5,000,000) and polyacrylamides with weight average molecular weights <10 6 , For example, offered by Henkel KGaA under the name ferro cryl® or from Stockhausen under the name Praestol®. Copolymers of acrylamide and unsaturated carboxylic acids with 3 to 5 carbon atoms, for example copolymers of acrylamide and acrylic acid with weight average molecular weights <10 6 for example available under the name Superfloc® (manufacturer: cyanamid).

In einer bevorzugten Ausführungsform der vorliegenden Erfindung werden die klarwasserlöslichen Polymerverbindungen in einer Menge von 0,00001 Gew.-% bis 0,1 Gew.-%, insbesondere 0,001 Gew.-% bis 0,01 Gew.-%, bezogen auf die wäßrige Emulsion oder wäßrige Lösung von Kühlschmierstoffen verwendet.In a preferred embodiment of the present invention the clear water-soluble polymer compounds in an amount from 0.00001% by weight to 0.1% by weight, in particular 0.001% by weight to 0.01 wt .-%, based on the aqueous emulsion or aqueous solution of cooling lubricants used.

Die Zusammensetzung der wassermischbaren oder wassergemischten Kühl­ schmierstoffe kann sehr unterschiedlich sein. So enthalten Emul­ sionen im Sinne der vorliegenden Erfindung häufig natürliche, pa­ raffinische, naphthenische, paraffinisch-naphthenische Mineralöle neben weiteren Zusätzen. Ferner können solche Kühlschmierstoff-Emul­ sionen beispielsweise aufgebaut sein aus Esterölen, fettöl-Deri­ vaten, synthetischen Kohlenwasserstoffen, Poly-α-olefinen, wie Polyisobutylen oder Polybutenen, Polypropylenglykol, Trimethylol­ propanester, Neopentyl-pentaerythritester, Di-(2-ethylhexyl)seba­ cat, Di-(2-ethylhexyl)adipat, Dibutylphthalat und/oder Estern von Phosphor enthaltenden Säuren.The composition of the water-miscible or water-mixed cooling Lubricants can be very different. So contain emul sions within the meaning of the present invention often natural, pa refined, naphthenic, paraffinic-naphthenic mineral oils among other additives. Furthermore, such cooling lubricant emuls ions, for example, be built up from ester oils, fatty oil derivatives vaten, synthetic hydrocarbons, poly-α-olefins, such as Polyisobutylene or polybutenes, polypropylene glycol, trimethylol propane ester, neopentyl pentaerythritol ester, di (2-ethylhexyl) seba cat, di (2-ethylhexyl) adipate, dibutyl phthalate and / or esters of Acids containing phosphorus.

Eine weitere Ausführungsform der Kühlschmierstoffe sind wäßrige Lösungen von anorganischen Salzen, wie Phosphaten, Boraten, Carbo­ naten, und organischen Rostschutzmitteln, wie Aminen, Alkanolaminen und substituierten Alkanolaminen, sowie ihren Umsetzungsprodukten mit anorganischen und organischen Säuren. Solche Säuren umfassen beispielsweise natürliche oder synthetische Carbonsäuren wie Capryl­ säure, Ethylhexansäure, Caprinsäure, 2,2,4-Trimethylhexansäure, Benzoesäure, substitutierte Benzoesäuren, Dicarbonsäuren mit 6-22 C-Atomen, Phosphorsäureester, Dicarbonsäure-Halbester oder Dicar­ bonsäure-Halbamide, Zitronensäure, Gluconsäure, Kohlensäure, Phos­ phorsäure, Polyphosphorsäure und Borsäure. Weiterhin enthalten Kühlschmierstoff-Lösungen häufig wasserlösliche Schmierstoffe wie Glykole und Polyglykole sowie Ether oder Ester von Polyglykolen und weitere Zusätze zur Einstellung der erwünschten technischen Eigen­ schaften.Another embodiment of the cooling lubricants are aqueous Solutions of inorganic salts such as phosphates, borates, carbo naten, and organic rust inhibitors, such as amines, alkanolamines and substituted alkanolamines, as well as their reaction products with inorganic and organic acids. Such acids include for example natural or synthetic carboxylic acids such as capryl acid, ethylhexanoic acid, capric acid, 2,2,4-trimethylhexanoic acid, Benzoic acid, substituted benzoic acids, dicarboxylic acids with 6-22 C atoms, phosphoric acid esters, dicarboxylic acid half esters or Dicar bonic acid half-amides, citric acid, gluconic acid, carbonic acid, phos phosphoric acid, polyphosphoric acid and boric acid. Also included  Cooling lubricant solutions often like water-soluble lubricants Glycols and polyglycols as well as ethers or esters of polyglycols and further additions for setting the desired technical properties create.

Zu dem Grundmaterial, das einen überwiegenden Anteil eines oder mehrerer der oben genannten Kühlschmierstoffe umfaßt, können wei­ tere funktionelle Zusatzstoffe, wie Schmierfähigkeitsmittel, Anti­ verschleißmittel, Korrosionsinhibitoren, Antioxidantien, anionische oder nichtionische Emulgatoren, Lösungsvermittler, Antischaummit­ tel, Biozide und/oder Tenside zugesetzt werden. Diese sind an sich im Stand der Technik bekannt.To the basic material that a predominant part of a includes several of the cooling lubricants mentioned above, white tere functional additives, such as lubricants, anti wear agents, corrosion inhibitors, antioxidants, anionic or nonionic emulsifiers, solubilizers, antifoam tel, biocides and / or surfactants are added. These are in themselves known in the art.

Zur Anwendung werden die Kühlschmierstoff-Konzentrate mit Wasser verdünnt. Die wäßrigen Emulsionen oder wäßrigen Lösungen enthalten die oben genannten Kühlschmierstoffe vorzugsweise in einer Menge von 1 bis 10 Gew.-%, insbesondere in einer Menge von 2 bis 5 Gew.-%.The cooling lubricant concentrates with water are used diluted. Contain the aqueous emulsions or aqueous solutions the cooling lubricants mentioned above preferably in an amount from 1 to 10% by weight, in particular in an amount from 2 to 5 % By weight.

Wäßrige Emulsionen oder Lösungen von Kühlschmierstoffen im Sinne der vorliegenden Erfindung werden bevorzugt zum Schleifen von Me­ talloberflächen eingesetzt.Aqueous emulsions or solutions of cooling lubricants in the sense of the present invention are preferred for grinding Me tall surfaces used.

BeispieleExamples

Als Anti-Nebel-Additiv für wäßrige Kühlschmierstoffe wurde eine 1 Gew.-%ige wäßrige Lösung von Polyox® Coagulant (Polyethylenoxid mit einem Molekulargewicht von 5 000 000) hergestellt.As a anti-fog additive for aqueous cooling lubricants, a 1 % By weight aqueous solution of Polyox® Coagulant (polyethylene oxide with a molecular weight of 5,000,000).

Die Wirksamkeit wurde an einem handelsüblichen Schleifwasser ge­ prüft, das aus 10 Gew.-% Isononansäure, 30 Gew.-% Triethanolamin, 1 Gew. -% Korrosionsinhibitor sowie 5 Gew. -% Natriummetaborat in Was­ ser bestand.The effectiveness was determined using a commercially available grinding water tests that from 10 wt .-% isononanoic acid, 30 wt .-% triethanolamine, 1 % By weight corrosion inhibitor and 5% by weight sodium metaborate in What it existed.

Zur Beurteilung der Nebelbildung wurden 50 ml der oben genannten Schleifwässer in einen 250 ml Meßzylinder mit Stopfen gegeben und geschüttelt. Dabei bildete sich ein Schaum, der nach Beendigung des Schüttelns rasch zerfiel. Durch das Zerplatzen der Schaumblasen bildete sich ein feiner Nebel. Die sich dabei bildende Nebelmenge wurde visuell beurteilt.50 ml of the above were used to assess the formation of fog Put grinding water in a 250 ml measuring cylinder with stopper and shaken. This formed a foam that after the end of the Shaking quickly fell apart. By bursting the foam bubbles a fine mist formed. The amount of fog that forms was assessed visually.

In den Beispielen und dem Vergleichsbeispiel wird jeweils eine un­ terschiedliche Menge des Anti-Nebel-Additivs zugegeben. Die Werte beziehen sich jeweils auf den prozentualen Zusatz der 1 Gew.-%igen Lösung von Polyox® Coagulant zu dem genannten Schleifwasser.In the examples and the comparative example, an un Different amounts of the anti-fog additive added. The values each relate to the percentage addition of 1% by weight Solution of Polyox® Coagulant to the mentioned grinding water.

Die nachfolgende Tabelle 1 gibt die visuelle Beurteilung der Ne­ belbildung der Beispiele und des Vergleichsbeispiels wieder. Table 1 below gives the visual assessment of the Ne Belbildung the examples and the comparative example again.  

Tabelle 1 Table 1

Claims (8)

1. Verwendung von klarwasserlöslichen Polymerverbindungen mit Ge­ wichtsmitteln der Molekulargewichte <106, ausgewählt aus Polyal­ kylenoxiden, Polyacrylamiden, Polymethacrylamiden und Copolymeren von Acrylamid und/oder Methacrylamid und ungesättigten organischen Carbonsäuren mit 3 bis 5 C-Atomen, in wassermischbaren oder wasser­ gemischten Kühlschmierstoffen zur Verminderung der Nebelbildung.1. Use of clear water-soluble polymer compounds with Ge weight averages of molecular weights <10 6 , selected from polyalkylene oxides, polyacrylamides, polymethacrylamides and copolymers of acrylamide and / or methacrylamide and unsaturated organic carboxylic acids with 3 to 5 carbon atoms, in water-miscible or water-mixed cooling lubricants Reduction of fog formation. 2. Verwendung von Polyethylenoxiden als Polymerverbindungen nach Anspruch 1.2. Use of polyethylene oxides as polymer compounds after Claim 1. 3. Verwendung von klarwasserlöslichen Polymerverbindungen nach Anspruch 1 oder 2 in einer Menge von 0,00001 Gew.-% bis 0,1 Gew.-%, insbesondere 0,001 Gew. -% bis 0,01 Gew.-%, bezogen auf die wäßrige Emulsion oder wäßrige Lösung von Kühlschmierstoffen.3. Use of clear water-soluble polymer compounds after Claim 1 or 2 in an amount of 0.00001% by weight to 0.1% by weight, in particular 0.001% by weight to 0.01% by weight, based on the aqueous Emulsion or aqueous solution of cooling lubricants. 4. Verwendung nach einem oder mehreren der Ansprüche 1 bis 3, da­ durch gekennzeichnet, daß die Kühlschmierstoff-Emulsionen aufgebaut sind auf natürlichen, paraffinischen, naphthenischen, paraffinisch­ naphthenischen Mineralölen, Esterölen, fettöl-Derivaten, synthe­ tischen Kohlenwasserstoffen, Poly-α-olefinen, wie Polyisobutylenen oder Polybutenen, Polypropylenglykol, Trimethylolpropanestern, Neo­ pentyl-pentaerythritestern, Di-(2-ethylhexyl)sebacat, Di-(2-ethyl­ hexyl)adipat, Dibutylphthalat, Estern von Phosphor enthaltenden Säuren und weiteren Zusätzen.4. Use according to one or more of claims 1 to 3, because characterized in that the cooling lubricant emulsions built up are natural, paraffinic, naphthenic, paraffinic naphthenic mineral oils, ester oils, fatty oil derivatives, synthe table hydrocarbons, poly-α-olefins, such as polyisobutylenes or polybutenes, polypropylene glycol, trimethylolpropane esters, Neo pentyl-pentaerythritol esters, di- (2-ethylhexyl) sebacate, di- (2-ethyl hexyl) adipate, dibutyl phthalate, esters of phosphorus-containing Acids and other additives. 5. Verwendung nach einem oder mehreren der Ansprüche 1 bis 3, da­ durch gekennzeichnet, daß die Kühlschmierstoff-Lösungen aufgebaut sind auf wäßrigen Lösungen von anorganischen Salzen, insbesondere Phosphaten, Boraten und/oder Carbonaten, und organischen Rost­ schutzmitteln, insbesondere Aminen, Alkanolaminen, substituierten Alkanolaminen und deren Umsetzungsprodukten mit anorganischen und/oder organischen Säuren, insbesondere natürlichen oder synthe­ tischen Carbonsäuren, insbesondere Caprylsäure, Ethylhexansäure, Caprinsäure, 2,2,4-Trimethylhexansäure, Benzoesäure, substituierte Benzoesäuren, Dicarbonsäuren mit 6-22 C-Atomen, Phosphorsäure­ estern, Dicarbonsäure-Halbestern oder Dicarbonsäure-Halbamiden, Zitronensäure, Gluconsäure, Kohlensäure, Phosphorsäure, Polyphos­ phorsäure, Borsäure und weiteren Zusätzen.5. Use according to one or more of claims 1 to 3, since characterized in that the cooling lubricant solutions built up are on aqueous solutions of inorganic salts, in particular  Phosphates, borates and / or carbonates, and organic rust preservatives, especially amines, alkanolamines, substituted Alkanolamines and their reaction products with inorganic and / or organic acids, especially natural or synthetic tables carboxylic acids, especially caprylic acid, ethylhexanoic acid, Capric acid, 2,2,4-trimethylhexanoic acid, benzoic acid Benzoic acids, dicarboxylic acids with 6-22 carbon atoms, phosphoric acid esters, dicarboxylic acid half-esters or dicarboxylic acid half-amides, Citric acid, gluconic acid, carbonic acid, phosphoric acid, polyphos phosphoric acid, boric acid and other additives. 6. Verwendung nach einem oder mehreren der Ansprüche 1 bis 5, da­ durch gekennzeichnet, daß die wäßrigen Emulsionen oder wäßrigen Lösungen funktionelle Zusatzstoffe, insbesondere Schmierfähig­ keitsmittel, Antiverschleißmittel, Korrosionsinhibitoren, Anti­ oxidantien, anionische oder nichtionische Emulgatoren, Lösungsver­ mittler, Antischaummittel, Biozide und/oder Tenside enthalten.6. Use according to one or more of claims 1 to 5, because characterized in that the aqueous emulsions or aqueous Solutions functional additives, especially lubricious agents, anti-wear agents, corrosion inhibitors, anti oxidants, anionic or nonionic emulsifiers, dissolver medium, contain anti-foaming agents, biocides and / or surfactants. 7. Verwendung nach einem oder mehreren der Ansprüche 1 bis 6, da­ durch gekennzeichnet, daß die wäßrigen Emulsionen oder wäßrigen Lösungen die Kühlschmierstoffe in einer Menge von 1 bis 10 Gew.-%, insbesondere von 2 bis 5 Gew.-%, enthalten.7. Use according to one or more of claims 1 to 6, since characterized in that the aqueous emulsions or aqueous Solutions of cooling lubricants in an amount of 1 to 10% by weight, in particular from 2 to 5% by weight. 8. Verwendung nach einem oder mehreren der Ansprüche 1 bis 7 zum Schleifen von Metalloberflächen.8. Use according to one or more of claims 1 to 7 for Grinding metal surfaces.
DE4217859A 1992-05-29 1992-05-29 Anti-fog additive for water-miscible and water-mixed cooling lubricants Withdrawn DE4217859A1 (en)

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DE4217859A DE4217859A1 (en) 1992-05-29 1992-05-29 Anti-fog additive for water-miscible and water-mixed cooling lubricants
EP93912743A EP0642571B1 (en) 1992-05-29 1993-05-21 Anti-misting additive for water-miscible and water mixed cooling lubricants
AT93912743T ATE140024T1 (en) 1992-05-29 1993-05-21 ANTI-MIST ADDITIVE FOR WATER-MIXABLE AND WATER-MIXED COOLANTS
PCT/EP1993/001269 WO1993024601A1 (en) 1992-05-29 1993-05-21 Anti-misting additive for water-miscible and water mixed cooling lubricants
DE59303150T DE59303150D1 (en) 1992-05-29 1993-05-21 ANTI-FOG ADDITIVE FOR WATER-MIXABLE AND WATER-MIXED COOLING LUBRICANTS

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CN1036527C (en) * 1994-08-26 1997-11-26 巢剑崙 Concentrated transmission liquid for coal mine hydraulic supporting
SG50827A1 (en) * 1996-05-13 1998-07-20 Lubrizol Corp Sulfonate containing copolymers as mist suppressants in soluble oil (water-based) metal working fluids
US5783529A (en) * 1997-10-24 1998-07-21 The Lubrizol Corporation Rhamsan gum as mist suppressant in metal working fluids
US6020291A (en) * 1997-11-21 2000-02-01 The Lubrizol Corporation Branched sulfonate containing copolymers as mist suppressants in soluble oil (water-based) metal working fluids
DE19931218B4 (en) 1999-07-06 2005-06-02 Clariant Gmbh Use of polymers as anti-fog additive in water-based cooling lubricants
DE19931220B4 (en) 1999-07-06 2005-03-10 Clariant Gmbh Use of polymers as anti-fog additive in water-based cooling lubricants
DE19931219C2 (en) 1999-07-06 2001-06-07 Clariant Gmbh Use of polymers as an anti-fog additive in water-based cooling lubricants
US6475408B1 (en) 2000-09-28 2002-11-05 The Lubrizol Corporation Shear-stable mist-suppressing compositions
KR102101531B1 (en) 2013-03-26 2020-04-16 스미토모 세이카 가부시키가이샤 Water-soluble metal working oil agent
CN106675754A (en) * 2016-12-26 2017-05-17 广东山之风环保科技有限公司 Water-based cutting fluid fog inhibitor and water-based cutting fluid

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US4493777A (en) * 1982-12-20 1985-01-15 The Dow Chemical Company Water-based hydraulic fluids
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US4853447A (en) * 1987-12-21 1989-08-01 Exxon Research And Engineering Company Polymerization of cationic N,N-dimethylalkylamine type monomers
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