EP3794162A1 - Schmierstoffe mit in-situ-bildung von dlc-schichten - Google Patents
Schmierstoffe mit in-situ-bildung von dlc-schichtenInfo
- Publication number
- EP3794162A1 EP3794162A1 EP19749182.2A EP19749182A EP3794162A1 EP 3794162 A1 EP3794162 A1 EP 3794162A1 EP 19749182 A EP19749182 A EP 19749182A EP 3794162 A1 EP3794162 A1 EP 3794162A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mass
- lubricant composition
- composition according
- lubricant
- group
- 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
- 239000000314 lubricant Substances 0.000 title claims abstract description 37
- 238000010952 in-situ formation Methods 0.000 title claims abstract description 5
- 239000004519 grease Substances 0.000 claims abstract description 13
- 239000006078 metal deactivator Substances 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 6
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims description 22
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 14
- -1 ferrous metals Chemical class 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 8
- 150000001735 carboxylic acids Chemical class 0.000 claims description 7
- 229910052742 iron Inorganic materials 0.000 claims description 7
- 229910052748 manganese Inorganic materials 0.000 claims description 7
- 229910052762 osmium Inorganic materials 0.000 claims description 7
- 150000002916 oxazoles Chemical class 0.000 claims description 7
- 229920013639 polyalphaolefin Polymers 0.000 claims description 7
- 229910052702 rhenium Inorganic materials 0.000 claims description 7
- 239000000344 soap Substances 0.000 claims description 7
- 229910052723 transition metal Inorganic materials 0.000 claims description 7
- 150000003624 transition metals Chemical class 0.000 claims description 7
- 150000003918 triazines Chemical class 0.000 claims description 7
- 150000003852 triazoles Chemical class 0.000 claims description 7
- 239000002562 thickening agent Substances 0.000 claims description 5
- 239000010439 graphite Substances 0.000 claims description 4
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 229910052582 BN Inorganic materials 0.000 claims description 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 2
- 229910019142 PO4 Inorganic materials 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 239000002253 acid Substances 0.000 claims description 2
- 150000007513 acids Chemical class 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical class OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 claims description 2
- 150000004696 coordination complex Chemical class 0.000 claims description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical class C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 150000002390 heteroarenes Chemical class 0.000 claims description 2
- 150000002460 imidazoles Chemical class 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 239000002480 mineral oil Substances 0.000 claims description 2
- 235000010446 mineral oil Nutrition 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 2
- 239000010702 perfluoropolyether Substances 0.000 claims description 2
- 235000021317 phosphate Nutrition 0.000 claims description 2
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 2
- 239000010695 polyglycol Substances 0.000 claims description 2
- 229920000151 polyglycol Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 229920002545 silicone oil Polymers 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 150000003871 sulfonates Chemical class 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 235000021313 oleic acid Nutrition 0.000 claims 1
- 150000002889 oleic acids Chemical class 0.000 claims 1
- 239000002923 metal particle Substances 0.000 abstract description 3
- 239000010949 copper Substances 0.000 description 14
- 229910052802 copper Inorganic materials 0.000 description 13
- 239000003112 inhibitor Substances 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 239000010687 lubricating oil Substances 0.000 description 7
- 239000002105 nanoparticle Substances 0.000 description 5
- 150000003557 thiazoles Chemical class 0.000 description 5
- 229910052727 yttrium Inorganic materials 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000012208 gear oil Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002530 phenolic antioxidant Substances 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 150000005690 diesters Chemical class 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 150000002641 lithium Chemical class 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910015617 MoNx Inorganic materials 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229940124639 Selective inhibitor Drugs 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- NCXUIEDQTCQZRK-UHFFFAOYSA-L disodium;decanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CCCCCCCCC([O-])=O NCXUIEDQTCQZRK-UHFFFAOYSA-L 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002114 nanocomposite Substances 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000003443 succinic acid derivatives Chemical class 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000005019 vapor deposition process Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
-
- 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
- C10M125/04—Metals; Alloys
-
- 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
- C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
- C10M157/10—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential at least one of them being a compound containing atoms of elements not provided for in groups C10M157/02 - C10M157/08
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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
- C10M2201/04—Elements
- C10M2201/05—Metals; Alloys
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/121—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms
- C10M2207/124—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms containing hydroxy groups; Ethers thereof
- C10M2207/1245—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of seven or less carbon atoms containing hydroxy groups; Ethers thereof used as thickening agent
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/2805—Esters used as base material
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
- C10M2215/222—Triazines
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/30—Heterocyclic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/055—Particles related characteristics
- C10N2020/06—Particles of special shape or size
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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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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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
- C10N2040/02—Bearings
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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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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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
- C10N2050/015—Dispersions of solid lubricants
- C10N2050/02—Dispersions of solid lubricants dissolved or suspended in a carrier which subsequently evaporates to leave a lubricant coating
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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
- C10N2050/023—Multi-layer lubricant coatings
- C10N2050/025—Multi-layer lubricant coatings in the form of films or sheets
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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
- C10N2050/10—Semi-solids; greasy
Definitions
- the present invention relates to the use of novel lubricants for the formation of in-situ diamond-like-carbon (DLC) layers.
- the invention relates to a lubricant in the form of an oil or grease based on hydrocarbons, which contains non-ferrous metal particles and at the same time a non-ferrous metal deactivator.
- DLC layers are usually produced in a vacuum by deposition of the carbon layers using chemical (CVD) or physical (PVD) vapor deposition processes.
- CVD chemical
- PVD physical
- US Pat. No. 9,951,291 B2 describes the surface of a tribosystem to be provided with a nanocomposite layer consisting of MoNx or VN2 and copper by plasma treatment. Hydrocarbon-based lubricants react under tribological stress on this layer to form a DLC coating, which is attributed to the catalytic effect of the copper.
- a disadvantage of this method is that it is difficult to apply the layers under comparable conditions which are required for the application of a DLC layer.
- the copper contained in the layer can have negative influences on the lubricant at those points which are not exposed to the tribological load, such as, for example, the increase in viscosity or the sludge or paste of the lubricant.
- the object of the present invention was therefore to provide a lubricant for the formation of in-situ diamond-like-carbon (DLC) layers which meets the above-mentioned requirements, in particular low coefficient of friction, long running times and reduced signs of wear on the components ,
- DLC diamond-like-carbon
- a lubricant composition consisting of an oil or fat based on hydrocarbons, non-ferrous metal particles and a non-ferrous metal deactivator as well as conventional additives is provided.
- This lubricant can be in the form of greases, pastes or oils.
- the underlying lubricating oil contains synthetic hydrocarbons such as PAOs or mPAOs, mineral oil, native oils and derivatives of native oils, esters, polyglycols, phenyl ethers, silicone oils or perfluoropolyethers.
- Organic or inorganic substances can be used as thickeners, in particular PTFE, graphite, metal oxides, boron nitride, molybdenum disulfide, phosphates, silicates, Sulfonates, polyimides, metal soaps, metal complex soaps, ureas and their mixtures, solid lubricants such as graphite or M0S2.
- the non-ferrous metals are selected from the group consisting of metals of the first (Sc - Zn), second (Y - Cd) and third (La - Hg) period of the transition metals, Mn, Fe, Co, Cu Y, Re, Os are particularly preferred , Cu is particularly preferably used. Alloys of the non-ferrous metals mentioned can also be used.
- the bundle metal deactivators or the inhibitors are substances which protect the metallic surface of the nanoparticles against a corrosive attack, for example of oxygen with the formation of oxides, or can at least slow down this attack.
- the inhibitor is selected such that the inhibitor interacts preferentially with the surface of the nanoparticle and not with the surface of the component (selective inhibitor).
- heteroaromatic compounds are oxazoles, imidazoles, triazoles, and triazines, which can have a wide variety of substituents.
- reactive substances are acids, especially carboxylic acids and hydroxycarboxylic acids, for example oleic acid.
- the non-ferrous metal deactivator inhibits the copper particles in the lubricant composition and protects them from aging. Under tribological loading, the copper particles release free copper surfaces and thus catalyze the polymerization or the formation of a DLC Layer. If the tribological load is removed, the free copper surfaces are inhibited again by the excess of non-ferrous metal deactivator.
- the copper also in its inhibited form, has a positive influence on WEC (white etching cracks) and has a wear-protecting effect.
- the lubricant composition according to the invention contains
- a lubricant composition which contains 0.01 to 5% by mass of non-ferrous metals is particularly preferred.
- the particle size of the non-ferrous metals ranges from 1 to 5000 nm, preferably 1 to 500 nm, particularly preferably 1 to 50 nm.
- the amount of inhibitors (based on the content of nanoparticles) can be used up to the same mass content, preferably half the mass fraction, particularly preferably one tenth of the mass fraction compared to the nanoparticles.
- Phenolic and amine antioxidants are used as additives.
- Succinic acid derivatives in particular amidized succinic acid semiesters or alkaline earth oxides, preferably calcium oxide and / or magnesium oxide and calcium, magnesium and / or sodium sulfonates or salts of dicarboxylic acids having 8 to 20 carbon atoms, preferably disodium sebacate, can also be used as corrosion protection additives.
- EP / AW additives are used, which can contain sulfur and / or phosphorus as a constituent.
- the gear oils can also contain standard gear oil packages, polymer-based defoamers, and silicone-containing and silicone-free compounds. The invention is explained in more detail with reference to the following examples.
- Lubricating oil for medium-loaded gears e.g. for the automotive sector
- transition metals selected from Cu, Mn, Fe, Co, Y, Re, Os with particle sizes from 500 to 3000 nm and
- Triazoles, oxazoles, thiazoles, triazines or carboxylic acids Triazoles, oxazoles, thiazoles, triazines or carboxylic acids
- Lubricating oil for heavily loaded gears e.g. for open drives in mills or rotary kilns as well as for industrial gears
- transition metals selected from Cu, Mn, Fe, Co, Y, Re, Os with particle sizes from 500 to 3000 nm and 0.09 mass% to 2.9 mass% non-ferrous metal inhibitors selected from
- Triazoles, oxazoles, thiazoles, triazines or carboxylic acids Triazoles, oxazoles, thiazoles, triazines or carboxylic acids
- PAO PAO with a viscosity of 45 cst, 12.0 to 20.0% by mass of a thickener selected from the class of lithium complex soaps, 1.0 to 4.0% by mass of amine and phenolic Antioxidants and 0.2 to 3.0% by mass of EP / AW additives based on S / P chemistry,
- transition metals selected from Cu, Mn, Fe, Co, Y, Re, Os with particle sizes from 500 to 3000 nm and
- Triazoles, oxazoles, thiazoles, triazines or carboxylic acids Triazoles, oxazoles, thiazoles, triazines or carboxylic acids
- Non-ferrous metal inhibitors selected from triazoles, oxazoles, thiazoles, triazines or carboxylic acids.
- PAO PAO with a viscosity of 45 cst
- a thickener selected from the class of single lithium soaps, 1.0 to 4.0% by mass of amine and phenolic Antioxidants and 0.2 to 6.0 mass% EP / AW additives based on S / P chemistry
- transition metals selected from Cu, Mn, Fe, Co, Y, Re, Os with particle sizes from 500 to 3000 nm and
- non-ferrous metal inhibitors selected from triazoles, oxazoles, thiazoles, triazines or carboxylic acids.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018005905 | 2018-07-26 | ||
DE102019004865.2A DE102019004865A1 (de) | 2018-07-26 | 2019-07-11 | Schmierstoffe mit in-situ-Bildung von DLC-Schichten |
PCT/EP2019/000222 WO2020020477A1 (de) | 2018-07-26 | 2019-07-18 | Schmierstoffe mit in-situ-bildung von dlc-schichten |
Publications (2)
Publication Number | Publication Date |
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EP3794162A1 true EP3794162A1 (de) | 2021-03-24 |
EP3794162B1 EP3794162B1 (de) | 2023-06-07 |
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EP19749182.2A Active EP3794162B1 (de) | 2018-07-26 | 2019-07-18 | Schmierstoffe mit in-situ-bildung von dlc-schichten |
Country Status (3)
Country | Link |
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EP (1) | EP3794162B1 (de) |
DE (1) | DE102019004865A1 (de) |
WO (1) | WO2020020477A1 (de) |
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Publication number | Priority date | Publication date | Assignee | Title |
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WO2016065175A1 (en) * | 2014-10-23 | 2016-04-28 | Northwestern University | Lubricant additives, lubricant compositions, and applications of same |
US9951291B2 (en) | 2015-05-22 | 2018-04-24 | Uchicago Argonne, Llc | Producing carbon-based boundary films from catalytically active lubricant additives |
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2019
- 2019-07-11 DE DE102019004865.2A patent/DE102019004865A1/de active Pending
- 2019-07-18 WO PCT/EP2019/000222 patent/WO2020020477A1/de unknown
- 2019-07-18 EP EP19749182.2A patent/EP3794162B1/de active Active
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DE102019004865A1 (de) | 2020-01-30 |
EP3794162B1 (de) | 2023-06-07 |
WO2020020477A1 (de) | 2020-01-30 |
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