EP0642571A1 - Anti-nebel-additiv für wassermischbare und wassergemischte kühlschmierstoffe. - Google Patents
Anti-nebel-additiv für wassermischbare und wassergemischte kühlschmierstoffe.Info
- Publication number
- EP0642571A1 EP0642571A1 EP93912743A EP93912743A EP0642571A1 EP 0642571 A1 EP0642571 A1 EP 0642571A1 EP 93912743 A EP93912743 A EP 93912743A EP 93912743 A EP93912743 A EP 93912743A EP 0642571 A1 EP0642571 A1 EP 0642571A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- acid
- water
- weight
- cooling lubricants
- use according
- 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.)
- Granted
Links
Classifications
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- C10M173/00—Lubricating compositions containing more than 10% water
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- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/26—Compounds containing silicon or boron, e.g. silica, sand
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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
- C10M129/04—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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- C10M129/40—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms monocarboxylic
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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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- C—CHEMISTRY; METALLURGY
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- C10M2207/40—Fatty vegetable or animal oils
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- C—CHEMISTRY; METALLURGY
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- C10M2207/404—Fatty vegetable or animal oils obtained from genetically modified species
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- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
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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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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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
- C10M2215/12—Partial amides of polycarboxylic 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
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- C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/024—Macromolecular compounds obtained from nitrogen containing monomers 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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- 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
- 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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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
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- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/042—Metal salts thereof
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- 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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/20—Metal working
- C10N2040/22—Metal working with essential removal of material, e.g. cutting, grinding or drilling
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/01—Emulsions, colloids, or micelles
Definitions
- the invention relates to the use of clear water-soluble polymer compounds having a high molecular weight in water-miscible or water-mixed cooling lubricants to avoid the formation of mist.
- cooling lubricants is defined in detail, for example, in an information brochure from the Düsseldorf mechanical engineering and small iron industry cooperative. In the case of cooling lubricants, a distinction is made between non-water-miscible, water-miscible and water-mixed cooling lubricants.
- the group of water-miscible cooling lubricants can further be divided into emulsifiable cooling lubricants, and water-soluble cooling lubricants.
- the group of water-mixed coolants can be divided into coolant emulsions and coolant solutions.
- Water-miscible cooling lubricants ie concentrates, are mixed with water before use. Emulsifiable cooling lubricants form a discontinuous phase of an oil-in-water emulsion. Cooling lubricants which give solutions mixed with water include not only real solutions but also solutions from the association colloid, for example "solutions of soaps".
- the term water-mixed cooling lubricants encompasses water-miscible cooling lubricants in the application state. Terms such as drilling emulsion, drilling milk, coolant, grinding water, grinding oil or clearing oil are still used in business colloquial language.
- cooling lubricants are used in particular to reduce tool wear. Due to the strong turbulence during processing, cooling lubricant mist can arise, which lead to deposits in the environment, irritation of the respiratory organs when inhaled and therefore lead to undesirable working conditions.
- An analogous problem occurs with the lubrication of impact and drilling tools operated with compressed air, in particular rock drilling machines, breakers and similar devices. These usually receive the compressed air necessary for their operation from a compressor via a hose connection. The compressed air not only serves to drive the tools, but also feeds fine droplets of lubricating oil as lubricant to their moving parts. An excessively strong spray oil causes considerable difficulties, however, since the relaxed compressed air exits the device freely and carries the excess lubricating oil as a mist.
- DE-A-27 14 252 discloses processing oils for metalworking with a reduced tendency to form mists, which contain an atactic polypropylene in a quantity not exceeding 0.5% by weight.
- US Pat. No. 3,919,098 discloses abrasives which consist essentially of mineral oil and contain a small amount of an anti-fog additive selected from polyisobutene. Poly-n-butene and their mixtures, which have an average molecular weight determined by viscosity in the range from 300,000 to 10,000,000.
- DE-A-26 57 268 discloses the use of an amorphous ethylene / propylene copolymer in mineral lubricating oils from compressed air tools.
- Lubrication Engineering, Vol. 33, pp. 128-132 (1977) describes oil mists in the field at hand as well as the relationships between molecular weights of polymers and their effects on the oil mist. It is stated that the molecular weights of the anti-fog additives to be used should be as high as possible. In particular, it is recommended to use a polymethacrylate with an average molecular weight between 300,000 and 400,000.
- 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 * ⁇ . These are selected from polyalkylene oxides, polyacrylamides, 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 thrown off droplets which are distributed in the form of fine mist.
- the object of the present invention is to provide new water-soluble anti-fog additives for water-miscible, ie concentrates, or water-mixed, ie application solutions, cooling lubricants in which the formation of fog is suppressed or completely avoided.
- the above object is achieved by the use of known, clearly water-soluble polymer compounds with weight average molecular weights> 10 * 5, 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 mist.
- cooling lubricants modified according to the invention thus comprise water-miscible and water-mixed cooling lubricants.
- polyethylene oxides as the polymer compound.
- Polyethylene oxides with weight average molecular weights> 10 * 5 are, for example, from Union Carbide as powder under the name Polyox R WSR 301 (molecular weight above 10-5) and Polyox R coagulant (molecular weight 5,000,000) and polyacrylamides with weight average molecular weights > 10-5, for example from Henkel KGaA under the name Ferrocryl R or from Stockhausen under the name Praestol R.
- 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 ⁇ available, for example, under the name Superfloc R (manufacturer: cyanamid).
- the clear water-soluble polymer compounds in an amount of 0.00001 wt .-% to 0.1 wt .-%, in particular 0.001 wt .-% to 0.01 wt .-%, based on the aqueous Emulsion or aqueous solution of cooling lubricants used.
- composition of the water-miscible or water-mixed cooling lubricants can be very different.
- emulsions frequently contain natural, paraffinic, naphthenic, paraffinic-naphthenic mineral oils in addition to other additives.
- cooling lubricant emulsions can be built up, for example, from ester oils, fatty oil derivatives, synthetic hydrocarbons, poly- ⁇ -olefins, such as polyisobutylene or polybutenes, polypropylene glycol, triethylol propane ester, neopentyl pentaerythritol ester, di- (2-ethylhexyl) sebacat, di- (2-ethylhexyl) adipate, dibutyl phthalate and / or esters of acids containing phosphorus.
- ester oils such as polyisobutylene or polybutenes
- polypropylene glycol such as polyisobutylene or polybutenes
- triethylol propane ester such as polyisobutylene or polybutenes
- neopentyl pentaerythritol ester di- (2-ethylhexyl) sebac
- cooling lubricants are aqueous solutions of inorganic salts, such as phosphates, borates, carbonates, and organic rust inhibitors, such as amines, alkanolamines and substituted alkanolamines, and their reaction products with inorganic and organic acids.
- inorganic salts such as phosphates, borates, carbonates, and organic rust inhibitors, such as amines, alkanolamines and substituted alkanolamines, and their reaction products with inorganic and organic acids.
- Such acids include, for example, natural or synthetic carboxylic acids such as caprylic 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 dicarboxylic acid half-amides, citric acid , Gluconic acid, carbonic acid, phosphoric acid, polyphosphoric acid and Boric acid.
- cooling lubricant solutions often contain water-soluble lubricants such as glycols and polyglycols and ethers or esters of polyglycols and other additives for setting the desired technical properties.
- lubricants such as lubricants, antiwear agents, corrosion inhibitors, antioxidants, anionic or nonionic emulsifiers, solubilizers, antifoam agents, biocides and / / and / / can be added to the base material, which comprises a predominant proportion of one or more of the cooling lubricants mentioned above. or surfactants can be added. These are known per se in the prior art.
- the cooling lubricant concentrates are diluted with water.
- the aqueous emulsions or aqueous solutions preferably contain the cooling lubricants mentioned above in an amount of 1 to 10% by weight, in particular in an amount of 2 to 5
- the polymer compounds to be used as anti-fog additive are packaged in tablet form, since this form permits easier and more precise metering of the anti-fog additives according to the invention.
- the clear water-soluble polymer compounds are preferably mixed in a weight ratio of 1: 1 with 1,2-propanediol and compressed either in the temperature range from room temperature to 150 ° C. using pressure, for example in the range from 10 to 100 bar, or without pressure at tempera ⁇ structures in the range of 50 to 150 ° C, especially 80 to 100 ° C, sintered together.
- pressure for example in the range from 10 to 100 bar, or without pressure at tempera ⁇ structures in the range of 50 to 150 ° C, especially 80 to 100 ° C, sintered together.
- Such anti-fog additive tablets are added to the aqueous cooling lubricant emulsions or solutions in the desired dosage for use.
- Aqueous emulsions or solutions of cooling lubricants in the sense of the present invention are preferably used for grinding metal surfaces.
- a 1% by weight aqueous solution of Polyox R Coagulant (polyethylene oxide with a molecular weight of 5,000,000) was prepared as an anti-fog additive for aqueous cooling lubricants.
- the effectiveness was tested on a commercially available grinding water which consisted of 10% by weight of isononanoic acid, 30% by weight of triethanolamine, 1% by weight of corrosion inhibitor and 5% by weight of sodium metaborate in water.
- a different amount of the anti-fog additive is added.
- the values relate to the percentage addition of the 1% by weight solution of Polyox R Coagulant to the grinding water mentioned.
- Table 1 below shows the visual assessment of the fog formation of the examples and the comparative example.
- 1,2-propanediol Part by weight of 1,2-propanediol at a) 50 ° C, normal pressure, 24 hours and b) 80 ° C, normal pressure, annealed for 2 hours.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
- Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4217859A DE4217859A1 (de) | 1992-05-29 | 1992-05-29 | Anti-Nebel-Additiv für wassermischbare und wassergemischte Kühlschmierstoffe |
DE4217859 | 1992-05-29 | ||
PCT/EP1993/001269 WO1993024601A1 (de) | 1992-05-29 | 1993-05-21 | Anti-nebel-additiv für wassermischbare und wassergemischte kühlschmierstoffe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0642571A1 true EP0642571A1 (de) | 1995-03-15 |
EP0642571B1 EP0642571B1 (de) | 1996-07-03 |
Family
ID=6460036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93912743A Expired - Lifetime EP0642571B1 (de) | 1992-05-29 | 1993-05-21 | Anti-nebel-additiv für wassermischbare und wassergemischte kühlschmierstoffe |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0642571B1 (de) |
AT (1) | ATE140024T1 (de) |
DE (2) | DE4217859A1 (de) |
WO (1) | WO1993024601A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6313076B1 (en) | 1999-07-06 | 2001-11-06 | Clariant Gmbh | Use of polymers as antimisting additives in water-based cooling lubricants |
US6414075B1 (en) | 1999-07-06 | 2002-07-02 | Clariant Gmbh | Use of polymers as antimisting additives in water-based cooling lubricants |
US6462000B1 (en) | 1999-07-06 | 2002-10-08 | Clariant Gmbh | Use of polymers as antimisting additives in water-based cooling lubricants |
US6475408B1 (en) | 2000-09-28 | 2002-11-05 | The Lubrizol Corporation | Shear-stable mist-suppressing compositions |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1036527C (zh) * | 1994-08-26 | 1997-11-26 | 巢剑崙 | 一种煤矿液压支架用浓缩传动液 |
CA2204717C (en) * | 1996-05-13 | 2005-01-04 | Sanjay Kalhan | 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 |
KR102101531B1 (ko) | 2013-03-26 | 2020-04-16 | 스미토모 세이카 가부시키가이샤 | 수용성 금속 가공 유제 |
CN106675754A (zh) * | 2016-12-26 | 2017-05-17 | 广东山之风环保科技有限公司 | 水基切削液抑雾剂及水基切削液 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US3227652A (en) * | 1963-11-18 | 1966-01-04 | Anderson Oil And Chemical Comp | Lubricating compositions |
US3833502A (en) * | 1973-04-30 | 1974-09-03 | Nalco Chemical Co | Method for improving the adherence of metalworking coolants to metal surfaces |
US4432881A (en) * | 1981-02-06 | 1984-02-21 | The Dow Chemical Company | Water-dispersible hydrophobic thickening agent |
US4493777A (en) * | 1982-12-20 | 1985-01-15 | The Dow Chemical Company | Water-based hydraulic fluids |
US4853140A (en) * | 1987-08-21 | 1989-08-01 | Nalco Chemical Company | Lubricating fluids for slicing silicon ingots |
US4853447A (en) * | 1987-12-21 | 1989-08-01 | Exxon Research And Engineering Company | Polymerization of cationic N,N-dimethylalkylamine type monomers |
GB2252103A (en) * | 1990-10-11 | 1992-07-29 | Exxon Chemical Patents Inc | Emulsified water-based functional fluids thickened with water-soluble polymers containing hydrophobic groups |
-
1992
- 1992-05-29 DE DE4217859A patent/DE4217859A1/de not_active Withdrawn
-
1993
- 1993-05-21 DE DE59303150T patent/DE59303150D1/de not_active Expired - Fee Related
- 1993-05-21 AT AT93912743T patent/ATE140024T1/de not_active IP Right Cessation
- 1993-05-21 WO PCT/EP1993/001269 patent/WO1993024601A1/de active IP Right Grant
- 1993-05-21 EP EP93912743A patent/EP0642571B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
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See references of WO9324601A1 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6313076B1 (en) | 1999-07-06 | 2001-11-06 | Clariant Gmbh | Use of polymers as antimisting additives in water-based cooling lubricants |
US6414075B1 (en) | 1999-07-06 | 2002-07-02 | Clariant Gmbh | Use of polymers as antimisting additives in water-based cooling lubricants |
US6462000B1 (en) | 1999-07-06 | 2002-10-08 | Clariant Gmbh | Use of polymers as antimisting additives in water-based cooling lubricants |
US6475408B1 (en) | 2000-09-28 | 2002-11-05 | The Lubrizol Corporation | Shear-stable mist-suppressing compositions |
Also Published As
Publication number | Publication date |
---|---|
EP0642571B1 (de) | 1996-07-03 |
DE4217859A1 (de) | 1993-12-02 |
DE59303150D1 (de) | 1996-08-08 |
WO1993024601A1 (de) | 1993-12-09 |
ATE140024T1 (de) | 1996-07-15 |
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