EP0301120B1 - Cold metal forming lubricant and method for its manufacture - Google Patents
Cold metal forming lubricant and method for its manufacture Download PDFInfo
- Publication number
- EP0301120B1 EP0301120B1 EP87110995A EP87110995A EP0301120B1 EP 0301120 B1 EP0301120 B1 EP 0301120B1 EP 87110995 A EP87110995 A EP 87110995A EP 87110995 A EP87110995 A EP 87110995A EP 0301120 B1 EP0301120 B1 EP 0301120B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- polyvinyl alcohol
- lubricant
- groups
- weight
- 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
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- 239000000314 lubricant Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 229910052751 metal Inorganic materials 0.000 title description 5
- 239000002184 metal Substances 0.000 title description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 50
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims abstract description 46
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000344 soap Substances 0.000 claims abstract description 22
- 239000007800 oxidant agent Substances 0.000 claims abstract description 15
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 14
- 239000000194 fatty acid Substances 0.000 claims abstract description 14
- 229930195729 fatty acid Natural products 0.000 claims abstract description 14
- -1 fatty acid salts Chemical class 0.000 claims abstract description 14
- 239000004094 surface-active agent Substances 0.000 claims abstract description 11
- 150000001642 boronic acid derivatives Chemical class 0.000 claims abstract description 10
- 239000012141 concentrate Substances 0.000 claims abstract description 10
- 238000007496 glass forming Methods 0.000 claims abstract description 10
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical class OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 6
- 125000000468 ketone group Chemical group 0.000 claims abstract description 6
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 5
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 5
- 125000003172 aldehyde group Chemical group 0.000 claims abstract description 3
- 150000001336 alkenes Chemical group 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 10
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 8
- 235000010339 sodium tetraborate Nutrition 0.000 claims description 7
- 229910021538 borax Inorganic materials 0.000 claims description 6
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 6
- 239000008116 calcium stearate Substances 0.000 claims description 6
- 235000013539 calcium stearate Nutrition 0.000 claims description 6
- 239000004328 sodium tetraborate Substances 0.000 claims description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 5
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 5
- RYYKJJJTJZKILX-UHFFFAOYSA-M sodium octadecanoate Chemical compound [Na+].CCCCCCCCCCCCCCCCCC([O-])=O RYYKJJJTJZKILX-UHFFFAOYSA-M 0.000 claims description 5
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003513 alkali Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 3
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 claims description 3
- 150000003839 salts Chemical class 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 2
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 2
- 125000000129 anionic group Chemical group 0.000 claims description 2
- 239000003945 anionic surfactant Substances 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims description 2
- 238000012986 modification Methods 0.000 claims description 2
- 239000002736 nonionic surfactant Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 238000003756 stirring Methods 0.000 claims description 2
- 230000001590 oxidative effect Effects 0.000 claims 5
- 229910001854 alkali hydroxide Inorganic materials 0.000 claims 1
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 claims 1
- 159000000000 sodium salts Chemical class 0.000 claims 1
- 239000010687 lubricating oil Substances 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000011248 coating agent Substances 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical group CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 5
- 238000007654 immersion Methods 0.000 description 4
- 229920000058 polyacrylate Polymers 0.000 description 4
- NVIFVTYDZMXWGX-UHFFFAOYSA-N sodium metaborate Chemical compound [Na+].[O-]B=O NVIFVTYDZMXWGX-UHFFFAOYSA-N 0.000 description 4
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 239000012286 potassium permanganate Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- KVKRSMAXOZCCOG-UHFFFAOYSA-N O.[O-2].[Mn+4].[O-2] Chemical compound O.[O-2].[Mn+4].[O-2] KVKRSMAXOZCCOG-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- NTBYNMBEYCCFPS-UHFFFAOYSA-N azane boric acid Chemical class N.N.N.OB(O)O NTBYNMBEYCCFPS-UHFFFAOYSA-N 0.000 description 1
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- CDMADVZSLOHIFP-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane;decahydrate Chemical compound O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 CDMADVZSLOHIFP-UHFFFAOYSA-N 0.000 description 1
- UZUODNWWWUQRIR-UHFFFAOYSA-L disodium;3-aminonaphthalene-1,5-disulfonate Chemical compound [Na+].[Na+].C1=CC=C(S([O-])(=O)=O)C2=CC(N)=CC(S([O-])(=O)=O)=C21 UZUODNWWWUQRIR-UHFFFAOYSA-L 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000008149 soap solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012756 surface treatment agent Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- WYXIGTJNYDDFFH-UHFFFAOYSA-Q triazanium;borate Chemical compound [NH4+].[NH4+].[NH4+].[O-]B([O-])[O-] WYXIGTJNYDDFFH-UHFFFAOYSA-Q 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M173/00—Lubricating compositions containing more than 10% water
- C10M173/02—Lubricating compositions containing more than 10% water not containing mineral or fatty oils
-
- 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
- C10M129/26—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
- 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
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/56—Acids of unknown or incompletely defined constitution
-
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical
-
- 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/02—Water
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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
- 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
- C10M2201/087—Boron oxides, acids or salts
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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
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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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/102—Silicates
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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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- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/10—Compounds containing silicon
- C10M2201/105—Silica
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/129—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of thirty or more carbon atoms
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an acyloxy radical of saturated carboxylic or carbonic acid
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an acyloxy radical of saturated carboxylic or carbonic acid
- C10M2209/062—Vinyl esters of saturated carboxylic or carbonic acids, e.g. vinyl acetate
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- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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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
- C10N2010/00—Metal present as such or in compounds
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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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
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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
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
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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
- C10N2040/24—Metal working without essential removal of material, e.g. forming, gorging, drawing, pressing, stamping, rolling or extruding; Punching metal
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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
- C10N2040/241—Manufacturing joint-less pipes
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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
- C10N2040/242—Hot 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
- C10N2040/243—Cold 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
- C10N2040/244—Metal working of specific metals
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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
- C10N2040/244—Metal working of specific metals
- C10N2040/245—Soft metals, e.g. aluminum
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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
- C10N2040/244—Metal working of specific metals
- C10N2040/246—Iron or steel
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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
- C10N2040/244—Metal working of specific metals
- C10N2040/247—Stainless steel
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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 a liquid lubricant for the cold forming of metallic materials and its production, which is used, for example, in cold rolling, cold upsetting, thread rolling, drawing sheet metal parts, calibrating sintered bodies, stranding and bending, and in particular when drawing strand-like shaped material such as wire, profiles and Pipes, is advantageously applicable.
- a lubricant When pulling wires, profiles, pipes, etc. a lubricant must be applied to the drawing material before the drawing tool, which is to prevent direct contact between the working surfaces of the drawing tool and the surface of the drawing material.
- the use of solid, semi-solid or liquid lubricants at room temperature is common.
- the liquid lubricants used include Oils, chlorinated paraffins, soap solutions and reactive fatty acid soaps are used in conjunction with a basic chemical coating.
- Liquid lubricants are also known which consist of solid lubricants dispersed in water. In one of these lubricants, alkaline earth metal soaps are used as solid lubricants.
- the lubricant also contains 2% by mass of polyvinyl alcohol as a dispersant for the solid lubricant, a corrosion inhibitor and surface-active substances. The lubricant is applied to the material to be formed, for example in the immersion process, and then dried, a solid lubricant film being produced for the subsequent forming process.
- a disadvantage of this lubricant is that the dried solid lubricant film experiences a significant reduction in quality due to the thermal degradation of the polyvinyl alcohol that occurs during the shaping process, in particular with regard to its dynamic viscosity, its temperature resistance and its adhesiveness. Due to this reduction in quality, large cross-sectional reductions per train or only small total cross-sectional decreases per lubricant application are possible. In addition, this lubricant allows only low drawing speeds due to thermal degradation, and the forming of difficult-to-form materials is also critical.
- these lubricants may also contain inorganic water-soluble salts, such as fatty acid salts, alkali phosphates, alkali borates and ammonium salts.
- inorganic water-soluble salts such as fatty acid salts, alkali phosphates, alkali borates and ammonium salts.
- the lignin compounds contained serve as dispersants and solubilizers for the present metal soaps.
- the modified polyvinyl alcohols are, for example, phosphatically esterified or carboxy-modified polyvinyl alcohols, for example the ammonium salts of corresponding phosphate esters or corresponding carboxylates.
- the alkaline earth metal soap is used as an aqueous dispersion which is prepared by dispersing the soap in water using at least one anion-active compound and / or nonionic surface-active compound.
- the invention is based on the object of specifying a liquid lubricant which gives high-performance liquid or solid lubricating coatings on metal material to be formed, and a method for its production.
- the object is achieved according to claims 1 and 7.
- the dependent claims relate to advantageous embodiments.
- both types of polyvinyl alcohols E and F preferably have a degree of polymerization in the range from 100 to 1500, the total content of polyvinyl alcohols E and F being ⁇ 3% by mass if both types are present.
- water-insoluble fatty acid salts A are preferred Alkaline earth metal soaps and preferably technical calcium stearate are present in an amount of 3 to 8% by mass.
- the water-soluble alkali metal soaps B advantageously contain sodium soaps, preferably technical sodium stearate.
- Suitable glass-forming borate C are e.g. Alkali borates and preferably borax.
- Suitable surfactants D are in particular anionic and nonionic surfactants and in particular polyethylene oxide adducts, preferably nonylphenol-polyethylene oxide adducts.
- hydrogen peroxide oxygen, ozone, peroxides, peroxo salts, hypochlorites, chlorates, dichromates and / or permanganate
- the preferred oxidizing agent is hydrogen peroxide.
- the oxidizing agent is reacted with an acidic polyvinyl alcohol solution, preferably with a pH of 1.5 to 4.
- the oxidizing agent can also be reacted with an alkaline polyvinyl alcohol solution, preferably with a pH of 8 to 12.5.
- the oxidizing agent is first reacted with an acidic polyvinyl alcohol solution, whereupon the pH is shifted to the alkaline range during the reaction by adding alkali metal hydroxides, preferably sodium hydroxide.
- the lubricant according to the invention has a low to high viscosity and guarantees a high coating mass and a homogeneous and thermally stable lubricant layer on the material to be formed. This enables high individual degrees of forming and forming speeds to be achieved, and the forming of difficult-to-form materials is also possible. In addition, intermediate coatings between individual forming stages can be largely avoided. If the lubricant contains structure-modified polyvinyl alcohol, there is no or only a slight tendency to form skin or gel, which has a particularly favorable effect on the coating and drying effort.
- aqueous polyvinyl alcohol solution which contains a polyvinyl alcohol which is 2% esterified with acetate groups and which has a pH of 2.2 and a temperature of 93 ° C.
- Hydrogen peroxide added as an oxidizing agent.
- the solution is made alkaline with sodium hydroxide, the oxidation reaction is continued for a further 10 minutes while maintaining the specified temperature, and then an aqueous calcium soap dispersion which contains an alkylphenol-polyethylene oxide adduct as a dispersant is mixed in to prepare a lubricant concentrate.
- This concentrate is diluted with water before use for cold forming and sodium stearate is added at a temperature of 80 ° C.
- the ready-to-use lubricant is made from the following composition: (Dimensions-%) Structure modified polyvinyl alcohol 1.8 Calcium soap 6 Alkylphenol polyethylene oxide adduct 0.3 Sodium stearate 1 borax 5 water Rest.
- This lubricant is used to coat 6.5 mm thick Mn 6 wire rod in a coil immersion process at 80 ° C. After drying the lubricant, which takes place in a very short time due to the inherent heat of the wire, the wire is removed in 7 steps with a pulling speed of 10 m / s on the 7th block without intermediate coating drawn to a final diameter of 2.0 mm.
- This lubricant is used to coat 8.0 mm thick wire rod of 20 Mn B 4 Q quality in a coil immersion process at 75 ° C. After the lubricant has dried, which occurs quickly due to the inherent heat of the wire, the wire is pulled to 7.05 mm in one go. After drawing, the wire has a residual lubricant film that is sufficiently thick for further processing, for example by cold upsetting.
- the finished lubricant is made from the following composition: (Dimensions-%) Structure modified polyvinyl alcohol 1.4 Calcium soap 6 Alkylphenol polyethylene oxide adduct 0.3 Sodium metaborate 4th Manganese dioxide hydrate 0.02 water Rest.
- This lubricant is used to coat 5.5 mm thick wire rod of quality 10 Mn Si 6 in a coil immersion process at 85 ° C and to dry it in air. Then the coated wire is drawn in 5 steps without intermediate coating to a final diameter of 2.5 mm.
- a lubricant is made from the following composition: (Dimensions-%) Calcium stearate 5 Sodium tetraborate decahydrate 5 Polyvinyl alcohol 1.5 water Rest.
- the polyvinyl alcohol used is esterified to 12% with acetate groups.
- This lubricant is used to coat 6.5 mm thick wire rod of quality C15 in a continuous process.
- the lubricant layer is then dried and then the wire is drawn to 3.6 mm in 6 steps at a pulling speed of 7 m / s.
- a lubricant is made from the following composition: (Dimensions-%) Calcium stearate 4th Sodium metaborate 6 Polyvinyl alcohol 1 water Rest.
- the lubricant film is dried and the wire is pulled at a pulling speed of 6 m / s in one go to 2.0 mm in diameter.
- a lubricant is made from the following composition: (Dimensions-%) Calcium stearate 4th Sodium metaborate 2.5 Polyvinyl alcohol 1 water Rest.
- the polyvinyl alcohol used is 2% esterified with acetate groups.
- a steel wire of quality C 15 Q with an initial diameter of 3.35 mm is drawn to 3.0 mm in one single step in a wet pass.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein flüssiges Schmiermittel zur Kaltumformung metallischer Werkstoffe und seiner Herstellung, das beispielsweise beim Kaltwalzen, Kaltstauchen, Gewindewalzen, Ziehen von Blechteilen, Kalibrieren von Sinterkörpern, Verseilen und beim Biegen sowie insbesondere beim Ziehen von strangförmigem Umformgut, wie Draht, Profilen und Rohren, vorteilhaft anwendbar ist.The invention relates to a liquid lubricant for the cold forming of metallic materials and its production, which is used, for example, in cold rolling, cold upsetting, thread rolling, drawing sheet metal parts, calibrating sintered bodies, stranding and bending, and in particular when drawing strand-like shaped material such as wire, profiles and Pipes, is advantageously applicable.
Beim Ziehen von Drähten, Profilen, Rohren u.ä. muß vor dem Ziehwerkzeug ein Schmiermittel auf das Ziehgut aufgetragen werden, das den unmittelbaren Kontakt zwischen den Arbeitsflächen des Ziehwerkzeugs und der Oberfläche des Ziehguts verhindern soll. Dabei ist die Verwendung von bei Raumtemperatur festen, halbfesten oder flüssigen Schmiermitteln üblich.When pulling wires, profiles, pipes, etc. a lubricant must be applied to the drawing material before the drawing tool, which is to prevent direct contact between the working surfaces of the drawing tool and the surface of the drawing material. The use of solid, semi-solid or liquid lubricants at room temperature is common.
Als flüssige Schmiermittel werden u.a. Öle, Chlorparaffine, Seifenlösungen und reaktive Fettsäureseifen in Verbindung mit einem chemischen Grundüberzug benutzt. Es sind auch bereits flüssige Schmiermittel bekannt, die aus in Wasser dispergierten Festschmierstoffen bestehen. Bei einem dieser Schmiermittel werden Erdalkalimetallseifen als Festschmierstoffe verwendet. Das Schmiermittel enthält außerdem noch 2 Masse-% Polyvinylalkohol als Dispergiermittel für den Festschmierstoff, einen Korrosionsinhibitor und grenzflächenaktive Stoffe. Das Schmiermittel wird beispielsweise im Tauchverfahren auf das Umformgut aufgebracht und anschließend getrocknet, wobei ein Festschmierstoffilm für den nachfolgenden Umformvorgang entsteht.The liquid lubricants used include Oils, chlorinated paraffins, soap solutions and reactive fatty acid soaps are used in conjunction with a basic chemical coating. Liquid lubricants are also known which consist of solid lubricants dispersed in water. In one of these lubricants, alkaline earth metal soaps are used as solid lubricants. The lubricant also contains 2% by mass of polyvinyl alcohol as a dispersant for the solid lubricant, a corrosion inhibitor and surface-active substances. The lubricant is applied to the material to be formed, for example in the immersion process, and then dried, a solid lubricant film being produced for the subsequent forming process.
Ein Nachteil dieses Schmiermittels besteht darin, daß der getrocknete Festschmierstoffilm aufgrund des eintretenden thermischen Abbaus des Polyvinylalkohols während des Umformvorgangs eine wesentliche Qualitätsminderung erfährt, insbesondere hinsichtlich seiner dynamischen Viskosität, seiner Temperaturbeständigkeit und seines Haft-Vermögens. Aufgrund dieser Qualitätsminderung sind keine großen Querschnittsabnahmen pro Zug bzw. nur geringe Gesamtquerschnittsabnahmen pro Schmiermittelauftrag möglich. Außerdem erlaubt dieses Schmiermittel infolge des thermischen Abbaus nur kleine Ziehgeschwindigkeiten, ferner ist die Umformung schwerumformbarer Werkstoffe kritisch.A disadvantage of this lubricant is that the dried solid lubricant film experiences a significant reduction in quality due to the thermal degradation of the polyvinyl alcohol that occurs during the shaping process, in particular with regard to its dynamic viscosity, its temperature resistance and its adhesiveness. Due to this reduction in quality, large cross-sectional reductions per train or only small total cross-sectional decreases per lubricant application are possible. In addition, this lubricant allows only low drawing speeds due to thermal degradation, and the forming of difficult-to-form materials is also critical.
Aus FR-A-2 102 283 sind Schmiermittel für die Kaltumformung metallischer Werkstoffe bekannt, die prinzipiell folgende Komponenten enthalten:
- 0,05 - 10 %
- Metallseifen, wie Natriumstearat, Bariumstearat und Calciumstearat,
- 0,05 - 3 %
- grenzflächenaktive Mittel/Tenside,
- 0,1 - 30 %
- Ligninverbindungen, z.B. Thiolignin, Natriumthioligninsulfonat, Calcium-thioligninsulfonat und entsprechende Ammoniumsalze,
und gegebenenfalls - 0,1 - 7 %
- wasserlösliche Polymere oder Polymeremulsionen, z.B. Polyvinylharze, wie beispielsweise Polyvinylacetat oder Polyacrylate.
- 0.05 - 10%
- Metal soaps, such as sodium stearate, barium stearate and calcium stearate,
- 0.05 - 3%
- surfactants / surfactants,
- 0.1 - 30%
- Lignin compounds, for example thiolignin, sodium thiolignin sulfonate, calcium thiolignin sulfonate and corresponding ammonium salts,
and if necessary - 0.1 - 7%
- water-soluble polymers or polymer emulsions, for example polyvinyl resins, such as polyvinyl acetate or polyacrylates.
Außerdem können in diesen Schmiermitteln noch anorganische wasserlösliche Salze, wie Fettsäuresalze, Alkaliphosphate, Alkaliborate und Ammoniumsalze, enthalten sein. Die enthaltenen Ligninverbindungen dienen als Dispergiermittel und Solubilisierungsmittel für die vorliegenden Metallseifen.In addition, these lubricants may also contain inorganic water-soluble salts, such as fatty acid salts, alkali phosphates, alkali borates and ammonium salts. The lignin compounds contained serve as dispersants and solubilizers for the present metal soaps.
DE-A-24 37 877 ist ferner ein insbesondere für das Tiefziehen von Metallblechen vorgesehenes Oberflächenbehandlungsmittel zu entnehmen, das folgende Grundzusammensetzung aufweist:
- 10 - 50
- Masseteile eines wasserlöslichen thermoplastischen Kunstharzes, z.B. Polyvinylalkohol, modifizierte Polyvinylalkohole oder Polyacrylate,
- 40 - 180
- Masseteile einer wäßrigen Dispersion einer Erdalkalimetallseife einer Seifenkonzentration von 40 bis 60 %, z.B. von C₈₋₂₂-Fettsäuren,
sowie gegebenenfalls - 0,5 - 12
- Masseteile Korrosionsinhibitoren, z.B. Ammoniumborate,
- 10 - 50
- Parts by weight of a water-soluble thermoplastic synthetic resin, for example polyvinyl alcohol, modified polyvinyl alcohols or polyacrylates,
- 40-180
- Parts by weight of an aqueous dispersion of an alkaline earth metal soap with a soap concentration of 40 to 60%, for example of C₈₋₂₂ fatty acids,
and if necessary - 0.5 - 12
- Parts by weight of corrosion inhibitors, for example ammonium borates,
Bei den modifizierten Polyvinylalkoholen handelt es sich z.B. um phosphatisch veresterte bzw. carboxymodifizierte Polyvinylalkohole, beispielsweise um die Ammoniumsalze entsprechender Phosphatester bzw. entsprechende Carboxylate. Die Erdalkalimetallseife wird als wässerige Dispersion eingesetzt, die durch Dispergieren der Seife in Wasser unter Verwendung wenigstens einer anionaktiven Verbindung und/oder nichtionogenen grenzflächenaktiven Verbindung hergestellt ist.The modified polyvinyl alcohols are, for example, phosphatically esterified or carboxy-modified polyvinyl alcohols, for example the ammonium salts of corresponding phosphate esters or corresponding carboxylates. The alkaline earth metal soap is used as an aqueous dispersion which is prepared by dispersing the soap in water using at least one anion-active compound and / or nonionic surface-active compound.
Der Erfindung liegt die Aufgabe zugrunde, ein flüssiges Schmiermittel, das hochleistungsfähige flüssige oder feste schmierende Überzüge auf metallischem Umformgut ergibt, und ein Verfahren zu seiner Herstellung anzugeben. Die Aufgabe wird gemäß den Patentansprüchen 1 und 7 gelöst. Die abhängigen Patentansprüche betreffen vorteilhafte Ausführungsformen.The invention is based on the object of specifying a liquid lubricant which gives high-performance liquid or solid lubricating coatings on metal material to be formed, and a method for its production. The object is achieved according to claims 1 and 7. The dependent claims relate to advantageous embodiments.
Das erfindungsgemäße Schmiermittel enthält in Wasser
- (A) wasserunlösliche Fettsäuresalze,
- (B) 0 bis 1,5 Masse-% wasserlösliche Alkalimetallseifen,
- (c) glasbildende Borate
und - (D) 0 bis 1 Masse-% eines oder mehrerer Tenside;
es ist
gekennzeichnet durch - (E) 0,2 bis 1,8 Masse-% eines oder mehrerer Polyvinylalkohole
und/oder - (F) 0,2 bis 3 Masse-% eines mit einem Oxidationsmittel strukturmodifizierten Polyvinylalkohols, der neben den strukturbestimmenden Hydroxylgruppen Ketogruppen, Carboxylgruppen und/oder Carboxylationengruppen enthält und ggfs. Aldehydgruppen und/oder mit Ketogruppen konjugierte Olefingruppe aufweist,
und - (G) 1 bis 6 Masse-% Borsäureester der Polyvinylalkohole E und/oder F,
- 1 bis 45 Masse-% der wasserunlöslichen Fettsäuresalze A, von denen ≧ 65 % eine Kettenlänge von ≧ 16 C-Atomen aufweisen,
und - 1 bis 6 Masse-% der glasbildenden Borate C.
- (A) water-insoluble fatty acid salts,
- (B) 0 to 1.5% by mass of water-soluble alkali metal soaps,
- (c) glass-forming borates
and - (D) 0 to 1% by mass of one or more surfactants;
it is
marked by - (E) 0.2 to 1.8 mass% of one or more polyvinyl alcohols
and or - (F) 0.2 to 3% by mass of a polyvinyl alcohol which has been modified with an oxidizing agent and which, in addition to the structure-determining hydroxyl groups, contains keto groups, carboxyl groups and / or Contains carboxylate ion groups and optionally has aldehyde groups and / or olefin groups conjugated with keto groups,
and - (G) 1 to 6% by mass of boric acid esters of polyvinyl alcohols E and / or F,
- 1 to 45% by mass of the water-insoluble fatty acid salts A, of which ≧ 65% have a chain length of ≧ 16 carbon atoms,
and - 1 to 6% by mass of the glass-forming borates C.
Erfindungsgemäß weisen beide Polyvinylalkoholarten E und F vorzugsweise einen Polymerisationsgrad im Bereich von 100 bis 1500 auf, wobei im Falle des Vorhandenseins beider Arten der Gesamtgehalt an Polyvinylalkoholen E und F ≦ 3 Masse-% beträgt.According to the invention, both types of polyvinyl alcohols E and F preferably have a degree of polymerization in the range from 100 to 1500, the total content of polyvinyl alcohols E and F being ≦ 3% by mass if both types are present.
Als wasserunlösliche Fettsäuresalze A sind vorzugsweise Erdalkalimetallseifen und bevorzugt technisches Calciumstearat in einer Menge von 3 bis 8 Masse-% vorhanden, als wasserlösliche Alkalimetallseifen B sind vorteilhaft Natriumseifen, vorzugsweise technisches Natriumstearat, enthalten.As water-insoluble fatty acid salts A are preferred Alkaline earth metal soaps and preferably technical calcium stearate are present in an amount of 3 to 8% by mass. The water-soluble alkali metal soaps B advantageously contain sodium soaps, preferably technical sodium stearate.
Als glastildendes Borat C eignen sich z.B. Alkaliborate und vorzugsweise Borax.Suitable glass-forming borate C are e.g. Alkali borates and preferably borax.
Geeignete Tenside D sind insbesondere anionische und nichtionische Tenside und insbesondere Polyethylenoxid-Addukte, vorzugsweise Nonylphenol-Polyethylenoxid-Addukte.Suitable surfactants D are in particular anionic and nonionic surfactants and in particular polyethylene oxide adducts, preferably nonylphenol-polyethylene oxide adducts.
Das erfindungsgemäße Verfahren zur Herstellung dieses Schmiermittels ist gekennzeichnet durch folgende wesentlichen Schritte:
- (I) Herstellung eines Konzentrats aus Polyvinylalkohol und Wasser und zumindest teilweise Strukturmodifizierung des Polyvinylalkohols mit einem Oxidationsmittel,
- (II) Einbringen des Konzentrats aus Schritt I sowie der Fettsäuresalze A und B und ggfs. der Tenside D unter Rühren in Wasser
und - (III) Zugabe der glasbildenden Borate C bzw. der Borsäureester G.
- (I) production of a concentrate from polyvinyl alcohol and water and at least partial structural modification of the polyvinyl alcohol with an oxidizing agent,
- (II) Introducing the concentrate from step I and the fatty acid salts A and B and possibly the surfactants D with stirring in water
and - (III) addition of glass-forming borates C or boric acid esters G.
Als Oxidationsmittel können erfindungsgemäß Wasserstoffperoxid, Sauerstoff, Ozon, Peroxide, Peroxosalze, Hypochlorite, Chlorate, Dichromate und/oder Permanganat verwendet werden. Bevorzugtes Oxidationsmittel ist Wasserstoffperoxid.According to the invention, hydrogen peroxide, oxygen, ozone, peroxides, peroxo salts, hypochlorites, chlorates, dichromates and / or permanganate can be used as the oxidizing agent. The preferred oxidizing agent is hydrogen peroxide.
Nach einer zweckmäßigen Ausgestaltung des Verfahrens wird das Oxidationsmittel mit einer sauer eingestellten Polyvinylalkohollösung, vorzugsweise mit einem pH-Wert von 1,5 bis 4, zur Reaktion gebracht. Das Oxidationsmittel kann auch mit einer alkalisch eingestellten Polyvinylalkohollösung, vorzugsweise mit einem pH-Wert von 8 bis 12,5, zur Reaktion gebracht werden. Nach einer weiteren zweckmäßigen Ausgestaltung der Erfindung wird das Oxidationsmittel zunächst mit einer sauer eingestellten Polyvinylalkohollösung zur Reaktion gebracht, worauf während der Reaktion durch Zugabe von Alkalihydroxiden, vorzugsweise von Natriumhydroxid, der pH-Wert in den alkalischen Bereich verlagert wird.According to an expedient embodiment of the method, the oxidizing agent is reacted with an acidic polyvinyl alcohol solution, preferably with a pH of 1.5 to 4. The oxidizing agent can also be reacted with an alkaline polyvinyl alcohol solution, preferably with a pH of 8 to 12.5. According to a further expedient embodiment of the invention, the oxidizing agent is first reacted with an acidic polyvinyl alcohol solution, whereupon the pH is shifted to the alkaline range during the reaction by adding alkali metal hydroxides, preferably sodium hydroxide.
Das erfindungsgemäße Schmiermittel besitzt je nach Zusammensetzung und Anwendungstemperatur im flüssigen Zustand eine niedrige bis hohe Viskosität und garantiert eine hohe Beschichtungsmasse sowie eine homogene und thermisch stabile Schmierstoffschicht auf dem Umformgut. Dadurch lassen sich hohe Einzelumformgrade und Umformgeschwindigkeiten erzielen, auch ist die Umformung von schwerumformbaren Werkstoffen möglich. Ferner können Zwischenbeschichtungen zwischen einzelnen Umformstufen weitestgehend eingespart werden. Wenn das Schmiermittel strukturmodifizierten Polyvinylalkohol enthält, besteht keine oder nur eine geringe Neigung zur Haut- oder Gelbildung, was sich besonders günstig auf den Beschichtungs- und Trocknungsaufwand auswirkt.Depending on the composition and application temperature in the liquid state, the lubricant according to the invention has a low to high viscosity and guarantees a high coating mass and a homogeneous and thermally stable lubricant layer on the material to be formed. This enables high individual degrees of forming and forming speeds to be achieved, and the forming of difficult-to-form materials is also possible. In addition, intermediate coatings between individual forming stages can be largely avoided. If the lubricant contains structure-modified polyvinyl alcohol, there is no or only a slight tendency to form skin or gel, which has a particularly favorable effect on the coating and drying effort.
Die Erfindung wird im folgenden anhand von Ausführungsbeispielen näher erläutert.The invention is explained in more detail below on the basis of exemplary embodiments.
Zu einer 10 %-igen wässerigen Polyvinylalkohollösung, die einen Polyvinylalkohol enthält, der zu 2 % mit Acetatgruppen verestert ist, und die einen pH-Wert von 2,2 und eine Temperatur von 93 °C besitzt, werden in einem Rührgefäß 0,03 % Wasserstoffperoxid als Oxidationsmittel zugegeben. Nach einer Reaktionszeit von 15 min wird die Lösung mit Natriumhydroxid alkalisch gemacht, die Oxidationsreaktion unter Beibehaltung der angegebenen Temperatur noch 10 min fortgesetzt und dann zur Herstellung eines Schmiermittelkonzentrats eine wässerige Calciumseifendispersion, die ein Alkylphenol-Polyethylenoxid-Addukt als Dispergiermittel enthält, zugemischt. Dieses Konzentrat wird vor dem Einsatz zur Kaltumformung mit Wasser verdünnt und bei einer Temperatur von 80 °C mit Natriumstearat versetzt. Abschließend wird Borax zugemischt. Das gebrauchsfertige Schmiermittel wird aus folgender Zusammensetzung hergestellt:
Mit diesem Schmiermittel wird 6,5 mm dicker Walzdraht der Qualität Mn 6 im Bundtauchverfahren bei 80 °C beschichtet. Nach dem Trocknen des Schmiermittels, das infolge der Eigenwärme des Drahts in sehr kurzer Zeit erfolgt, wird der Draht in 7 Stufen mit einer Ziehgeschwindigkeit von 10 m/s am 7. Block ohne Zwischenbeschichtung auf einen Enddurchmesser von 2,0 mm gezogen.This lubricant is used to coat 6.5 mm thick Mn 6 wire rod in a coil immersion process at 80 ° C. After drying the lubricant, which takes place in a very short time due to the inherent heat of the wire, the wire is removed in 7 steps with a pulling speed of 10 m / s on the 7th block without intermediate coating drawn to a final diameter of 2.0 mm.
Zu einer 10 %-igen Polyvinylalkohollösung, die einen Polyvinylalkohol enthält, der zu 12 % mit Acetatgruppen verestert ist, und die einen pH-Wert von 11 ,8 besitzt, werden in einem Rührgefäß 0,67 % Wasserstoffperoxid bei 75 °C gegeben. Nach einer Reaktionszeit von 15 min wird 0,002 % Kaliumpermanganat als Katalysator zugemischt und die Oxidationsreaktion noch weitere 30 min bei 75 °C fortgesetzt. Anschließend wird eine Zinkseifendispersion mit Natriumdodecylbenzolsulfonat als Dispergiermittel zugemischt und danach mit Wasser verdünnt. Als letzte Komponente wird Borax bei 75 °C zugegeben. Das gebrauchsfertige Schmiermittel wird aus folgender Zusammensetzung hergestellt:
Mit diesem Schmiermittel wird 8,0 mm dicker Walzdraht der Qualität 20 Mn B 4 Q im Bundtauchverfahren bei 75 °C beschichtet. Nach dem Trocknen des Schmiermittels, das infolge der Eigenwärme des Drahtes schnell erfolgt, wird der Draht in einem Zug auf 7,05 mm gezogen. Nach dem Ziehen weist der Draht einen für die Weiterverarbeitung z.B. durch Kaltstauchen ausreichend dicken Schmiermittel-Restfilm auf.This lubricant is used to coat 8.0 mm thick wire rod of 20 Mn B 4 Q quality in a coil immersion process at 75 ° C. After the lubricant has dried, which occurs quickly due to the inherent heat of the wire, the wire is pulled to 7.05 mm in one go. After drawing, the wire has a residual lubricant film that is sufficiently thick for further processing, for example by cold upsetting.
Zu einer 8 %-igen Polyvinylalkohollösung, die einen Polyvinylalkohol enthält, der zu 3 % mit Acetatgruppen verestert ist, und die einen pH-Wert von 10,5 besitzt, werden bei 85 °C in einem Rührgefäß 0,2 % Kaliumpermanganat in Form einer 4 %-igen Lösung zugegeben. Nach einer Reaktionszeit von 20 min wird zur Herstellung eines Schmiermittelkonzentrats eine wässerige Calciumseifendispersion, die ein Alkylphenol-Polyethylenoxid-Addukt als Dispergiermittel enthält, zugemischt. Dieses Konzentrat wird vor dem Einsatz zur Beschichtung von Drahtbunden mit Wasser verdünnt, und bei einer Temperatur von 85 °C wird als letzte Komponente Natriummetaborat zugegeben. Das fertige Schmiermittel wird aus folgender Zusammensetzung hergestellt:
Mit diesem Schmiermittel wird 5,5 mm dicker Walzdraht der Qualität 10 Mn Si 6 im Bundtauchverfahren bei 85 °C beschichtet und an Luft getrocknet. Danach wird der beschichtete Draht in 5 Stufen ohne Zwischenbeschichtung auf einen Enddurchmesser von 2,5 mm gezogen.This lubricant is used to coat 5.5 mm thick wire rod of quality 10 Mn Si 6 in a coil immersion process at 85 ° C and to dry it in air. Then the coated wire is drawn in 5 steps without intermediate coating to a final diameter of 2.5 mm.
Es wird ein Schmiermittel aus folgender Zusammensetzung hergestellt:
Der eingesetzte Polyvinylalkohol ist zu 12 % mit Acetatgruppen verestert.The polyvinyl alcohol used is esterified to 12% with acetate groups.
Mit diesem Schmiermittel wird 6,5 mm dicker Walzdraht der Qualität C15 im Durchlaufverfahren beschichtet. Die Schmiermittelschicht wird anschließend getrocknet, und danach wird der Draht mit einer Ziehgeschwindigkeit von 7 m/s in 6 Stufen auf 3,6 mm gezogen.This lubricant is used to coat 6.5 mm thick wire rod of quality C15 in a continuous process. The lubricant layer is then dried and then the wire is drawn to 3.6 mm in 6 steps at a pulling speed of 7 m / s.
Es wird ein Schmiermittel aus folgender Zusammensetzung hergestellt:
2,5 mm dicker patentierter Stahldraht der Qualität D 45 wird dann mit dem Schmiermittel beschichtet.2.5 mm thick patented steel wire of quality D 45 is then coated with the lubricant.
Nach dem Beschichten wird der Schmiermittelfilm getrocknet und der Draht mit einer Ziehgeschwindigkeit von 6 m/s in einem Zug auf 2,0 mm Durchmesser gezogen.After coating, the lubricant film is dried and the wire is pulled at a pulling speed of 6 m / s in one go to 2.0 mm in diameter.
Es wird ein Schmiermittel aus folgender Zusammensetzung hergestellt:
Der eingesetzte Polyvinylalkohol ist zu 2 % mit Acetatgruppen verestert.The polyvinyl alcohol used is 2% esterified with acetate groups.
Ein Stahldraht der Qualität C 15 Q mit einem Ausgangsdurchmesser von 3,35 mm wird einstufig in einem Naßzug auf 3,0 mm gezogen.A steel wire of quality C 15 Q with an initial diameter of 3.35 mm is drawn to 3.0 mm in one single step in a wet pass.
Claims (10)
- A lubricant for the cold forming of metallic materials that contains(A) water-insoluble fatty acid salts,(B) 0 to 1.5 weight % water-soluble alkali metal soaps,(C) glass-forming borates
and(D) 0 to 1 weight % of one or several surfactants,
characterized by(E) 0.2 to 1.8 weight % of one or several polyvinyl alcohols
and/or(F) 0.2 to 3 weight % of a polyvinyl alcohol structurally modified by an oxidant and containing keto groups, carboxyl groups and/or carboxylate ion groups in addition to the structure-determining hydroxyl groups, and optionally having aldehyde groups and/or olefin groups that are conjugated with keto groups,
and(G) 1 to 6 weight % boric acid esters of the polyvinyl alcohols E and/or F,- 1 to 45 weight % of the water-insoluble fatty acid salts A, of which ≧ 65 % have a chain length of ≧ 16 C atoms,
and- 1 to 6 weight % of the glass-forming borates C. - A lubricant according to claim 1, characterized in that the polyvinyl alcohols E and/or F have a degree of polymerization of 100 to 1500.
- A lubricant according to Claim 1 or 2, characterized in that if both polyvinyl alcohols E and F are present their total amount is ≦ 3 weight %.
- A lubricant according to one of Claims 1 to 3,
characterized by
3 to 8 weight % of one or several alkaline earth metal soaps, preferably calcium stearate, as water-insoluble fatty acid salts A
and
one or several sodium salts, preferably sodium stearate, as water-soluble alkali metal soaps B. - A lubricant according to one of Claims 1 to 4, characterized by an alkali borate, preferably borax, as glass-forming borate C.
- A lubricant according to one of Claims 1 to 5, characterized by anionic or non-ionic surfactants, especially a polyethylene oxide adduct and preferably a nonylphenol-polyethylene oxide adduct as surfactants D.
- A process for production of the lubricant according to one of Claims 1 to 6,
characterized by(I) production of a concentrate from polyvinyl alcohol and water and at least partial structural modification of the polyvinyl alcohol with an oxidant,(II) introduction to water with stirring of the concentrate from step (I) as well as the fatty acid salts A and B and optionally the surfactants D
and(III) addition of the glass-forming borates C or of the boric acid esters G. - A process according to Claim 7, characterized by the use of hydrogen peroxide, oxygen, ozone, peroxides, peroxo salts, hypochlorite, chlorate, dichromate and/or permanganate as oxidant in step I.
- A process according to Claim 7 or 8, characterized in that the oxidant is reacted in step I with an acidified polyvinyl alcohol solution, preferably with a pH value of 1.5 to 4, or with an alkalized polyvinyl alcohol solution, preferably with a pH value of 8 to 12.5.
- A process according to one of Claims 7 to 9, characterized in that the oxidant is reacted in step I with an acidified polyvinyl alcohol solution and the pH is shifted into the alkaline range during the reaction by addition of alkali hydroxides, preferably of sodium hydroxide.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP87110995A EP0301120B1 (en) | 1987-07-29 | 1987-07-29 | Cold metal forming lubricant and method for its manufacture |
AT87110995T ATE81528T1 (en) | 1987-07-29 | 1987-07-29 | LUBRICANT FOR COLD FORMING OF METALLIC MATERIALS AND ITS PRODUCTION PROCESS. |
DE8787110995T DE3782252D1 (en) | 1987-07-29 | 1987-07-29 | LUBRICANTS FOR THE COLD FORMING OF METAL MATERIALS AND METHOD FOR THE PRODUCTION THEREOF. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP87110995A EP0301120B1 (en) | 1987-07-29 | 1987-07-29 | Cold metal forming lubricant and method for its manufacture |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0301120A1 EP0301120A1 (en) | 1989-02-01 |
EP0301120B1 true EP0301120B1 (en) | 1992-10-14 |
Family
ID=8197166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87110995A Expired - Lifetime EP0301120B1 (en) | 1987-07-29 | 1987-07-29 | Cold metal forming lubricant and method for its manufacture |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0301120B1 (en) |
AT (1) | ATE81528T1 (en) |
DE (1) | DE3782252D1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19508247C1 (en) * | 1995-03-08 | 1996-11-14 | Nordpol Seifenfabrik Inh Ria T | Cooling lubricant used in wire drawing |
ATE415504T1 (en) | 2005-12-22 | 2008-12-15 | Arcelormittal France | TREATMENT PROCESS OF METAL SURFACES BY CARBOXILATION, USE OF THIS PROCESS FOR TEMPORARY CORROSION PROTECTION AND PROCESS FOR PRODUCING A SHAPED CARBOXYLATED SHEET |
CN107446660A (en) * | 2017-07-24 | 2017-12-08 | 浙江宝晟铁路新材料科技有限公司 | A kind of Pioloform, polyvinyl acetal base kollag and preparation method thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3052662A (en) * | 1959-06-30 | 1962-09-04 | Kurashiki Rayon Co | Polyvinyl alcohol product and process for making the same |
FR1266125A (en) * | 1960-08-25 | 1961-07-07 | Aluminum Res Corp | New lubricants for cold deformation of metals and process for their application |
GB1059569A (en) * | 1962-12-07 | 1967-02-22 | Canning & Co Ltd W | Improvements in cadmium electroplating and in polyvinyl alcohol derivatives for use therein |
JPS494108B1 (en) * | 1970-08-15 | 1974-01-30 | ||
JPS5038672A (en) * | 1973-08-09 | 1975-04-10 |
-
1987
- 1987-07-29 AT AT87110995T patent/ATE81528T1/en not_active IP Right Cessation
- 1987-07-29 EP EP87110995A patent/EP0301120B1/en not_active Expired - Lifetime
- 1987-07-29 DE DE8787110995T patent/DE3782252D1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE81528T1 (en) | 1992-10-15 |
DE3782252D1 (en) | 1992-11-19 |
EP0301120A1 (en) | 1989-02-01 |
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