EP3692120A1 - Hybridfett mit niedrigen reibwerten und hohem verschleissschutz - Google Patents
Hybridfett mit niedrigen reibwerten und hohem verschleissschutzInfo
- Publication number
- EP3692120A1 EP3692120A1 EP19742289.2A EP19742289A EP3692120A1 EP 3692120 A1 EP3692120 A1 EP 3692120A1 EP 19742289 A EP19742289 A EP 19742289A EP 3692120 A1 EP3692120 A1 EP 3692120A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- hybrid
- oil
- fat
- grease
- 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
- 239000004519 grease Substances 0.000 title claims abstract description 20
- 239000003921 oil Substances 0.000 claims abstract description 36
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 25
- 150000002430 hydrocarbons Chemical class 0.000 claims abstract description 25
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 20
- 239000010695 polyglycol Substances 0.000 claims abstract description 12
- 229920000151 polyglycol Polymers 0.000 claims abstract description 12
- 239000002480 mineral oil Substances 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- 239000003925 fat Substances 0.000 claims description 28
- 239000002562 thickening agent Substances 0.000 claims description 24
- 229920002545 silicone oil Polymers 0.000 claims description 20
- 239000000654 additive Substances 0.000 claims description 18
- 239000002199 base oil Substances 0.000 claims description 18
- 239000000203 mixture Substances 0.000 claims description 18
- 239000000314 lubricant Substances 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 10
- 229920001296 polysiloxane Polymers 0.000 claims description 10
- -1 polydimethylsiloxane Polymers 0.000 claims description 9
- 235000010446 mineral oil Nutrition 0.000 claims description 8
- 239000003981 vehicle Substances 0.000 claims description 5
- 239000004205 dimethyl polysiloxane Substances 0.000 claims description 4
- 238000000265 homogenisation Methods 0.000 claims description 4
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 3
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 2
- 229920002367 Polyisobutene Polymers 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 229920013639 polyalphaolefin Polymers 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000996 additive effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000344 soap Substances 0.000 description 5
- 229930040373 Paraformaldehyde Natural products 0.000 description 4
- 229920006324 polyoxymethylene Polymers 0.000 description 4
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 235000021355 Stearic acid Nutrition 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009396 hybridization Methods 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000013877 carbamide Nutrition 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- FPLIHVCWSXLMPX-UHFFFAOYSA-M lithium 12-hydroxystearate Chemical compound [Li+].CCCCCCC(O)CCCCCCCCCCC([O-])=O FPLIHVCWSXLMPX-UHFFFAOYSA-M 0.000 description 1
- HGPXWXLYXNVULB-UHFFFAOYSA-M lithium stearate Chemical compound [Li+].CCCCCCCCCCCCCCCCCC([O-])=O HGPXWXLYXNVULB-UHFFFAOYSA-M 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/02—Mixtures of base-materials and thickeners
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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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
- C10M107/08—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation containing butene
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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
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/50—Lubricating compositions characterised by the base-material being a macromolecular compound containing silicon
-
- 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
- C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
- C10M111/04—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M117/00—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof
- C10M117/02—Lubricating compositions characterised by the thickener being a non-macromolecular carboxylic acid or salt thereof having only one carboxyl group bound to an acyclic carbon atom, cycloaliphatic carbon atom or hydrogen
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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
- C10M2201/041—Carbon; Graphite; Carbon black
- C10M2201/0413—Carbon; Graphite; Carbon black 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
- C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
- C10M2201/06—Metal compounds
- C10M2201/065—Sulfides; Selenides; Tellurides
- C10M2201/066—Molybdenum sulfide
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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
- C10M2201/1006—Compounds containing silicon 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/003—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions 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
- 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
- C10M2205/026—Butene
- C10M2205/0265—Butene used as base material
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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
- 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
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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
- C10M2207/10—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
- C10M2207/1265—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 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
- C10M2207/10—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
- C10M2207/128—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 containing hydroxy groups; Ethers thereof
- C10M2207/1285—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 containing hydroxy groups; Ethers thereof used as thickening agents
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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
- C10M2209/10—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
- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
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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
- C10M2213/00—Organic macromolecular compounds containing halogen as ingredients in lubricant compositions
- C10M2213/06—Perfluoro polymers
- C10M2213/062—Polytetrafluoroethylene [PTFE]
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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
- C10M2215/10—Amides of carbonic or haloformic acids
- C10M2215/102—Ureas; Semicarbazides; Allophanates
- C10M2215/1026—Ureas; Semicarbazides; Allophanates used as thickening material
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/045—Polyureas; Polyurethanes
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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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
- C10M2229/0415—Siloxanes with specific structure containing aliphatic substituents used as base material
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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
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/042—Siloxanes with specific structure containing aromatic substituents
- C10M2229/0425—Siloxanes with specific structure containing aromatic substituents used as base material
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- 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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- 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
- C10N2030/02—Pour-point; Viscosity index
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- 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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- 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
- C10N2030/08—Resistance to extreme temperature
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- 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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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/06—Instruments or other precision apparatus, e.g. damping fluids
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/10—Running-in-oil ; Grinding
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- 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
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2070/00—Specific manufacturing methods for lubricant compositions
Definitions
- the present invention relates to the provision of a new hybrid grease with low coefficients of friction and high wear protection, which can be used in a wide temperature range.
- the new hybrid grease is based on a combination of a grease based on a silicone oil in combination with a grease based on synthetic hydrocarbon oils, mineral oils or polyglycols.
- the new hybrid grease can be used to lubricate joints in vehicle parts based on plastic-steel combinations, and also for use in actuators that are increasingly used in vehicles, such as in brakes, brake boosters, steering assistance (EPS) and window regulators ,
- Particularly low coefficients of friction which can also be maintained very consistently over a wide temperature range, are achieved with a lubricant based on silicone oil.
- a high base oil viscosity is required to further improve the coefficient of friction and stick-slip behavior.
- Silicone greases especially those based on polydimethysiloxane, have a very high viscosity index and a low pour point. This enables the properties described above to be achieved.
- the grease compositions based on silicone oils show weaknesses in wear protection, especially in highly stressed applications, such as, for example, highly tensioned chassis joints.
- a high level of wear protection is achieved with greases based on mineral oils, synthetic hydrocarbons such as PAO, esters, polyglycol or PFPE.
- Lubricant compositions are known from WO 2104/028632 A1 which contain a silicone oil-free oil and a silicone oil as base oil, the silicone oil being an oil-soluble oil and being selected from ethyl silicone, octyl silicone. Lithium soaps are also mentioned as thickeners.
- EP 0 657 524 B1 also describes the mixture of PFPE oils with another PFPE-insoluble oil component.
- WO 2013/010851 A1 discloses a lubricant composition which has two components, a low-viscosity component together with a high-viscosity component which can be separated from the low-viscosity component at low temperatures and becomes uniform at high temperatures.
- the known hybrid greases refer to the mixing of PFPE greases or oils with others in PFPE-free greases as well as to immiscible compositions.
- the present invention therefore aims to provide a lubricant composition which meets the above requirements, in particular can be used in a further temperature range from -50 ° C. to + 160 ° C. and which has low coefficients of friction and long running times and essentially no signs of wear the components.
- a hybrid fat consisting of a mixture of a fat based on a silicone oil with a fat or oil based on a synthetic hydrocarbon oil, mineral oil or polyglycol oil and a thickener and conventional additives is provided. It is crucial that the two base oils or oil phases cannot be mixed.
- silicone oil can be mixed that are based on immiscible base oils, such as silicone oil Polydimethysiloxane and as a synthetic hydrocarbon, for example PAO. These can be mixed so that a homogeneous lubricant is created. It is also possible to prepare a batch with silicone oil as the base oil and thickener and to add the synthetic hydrocarbon oil as a mixing component analogously to an additive. It is also possible to prepare a batch with synthetic hydrocarbon oil as the base oil and thickener and to add only the silicone oil as a mixing component analogous to an additive.
- base oils such as silicone oil Polydimethysiloxane and as a synthetic hydrocarbon, for example PAO.
- the mixture can be produced with agitators as they correspond to the state of the art in the production of greases.
- a subsequent homogenization process step can take place, for example by means of a grinder (colloid mill), rolling mill or high-pressure homogenizer.
- the lubricant thus produced shows all the properties required and desired above.
- the silicone oil is selected from the group consisting of polydimethylsiloxane, polyphenylmethylsiloxane or mixtures of both oils.
- the synthetic hydrocarbon oil is selected from the group consisting of PAO, blends of PAO and olefin copolymers, blends of PAO and polyisobutylene.
- the thickener is selected from the group of non-soap thickeners such as ureas and soap thickeners such as complex and single soap thickeners, particularly preferred are lithium 12-hydroxystearate and lithium stearate.
- conventional additives such as antioxidants, anti-corrosion agents and a solid lubricant can be contained in the hybrid grease according to the invention.
- Hydrocarbon oil mineral oil or polyglycol containing 50 to 90% by weight
- Base oil selected from synthetic hydrocarbon oil, PAO, mineral oil or polyglycol, 10 to 25% by weight thickener, 0 to 10% by weight additives with
- Component (A) can optionally contain 0 to 50% by weight of solid lubricant.
- Solid lubricants can be, for example, PTFE, graphite, molybdenum disulfide, melamine cyanurate and mixtures thereof.
- (B) 80 to 90% by weight of a silicone fat containing 70 to 80% by weight of polydimethylsiloxane, up to 30% by weight of thickener and 1 to 10% by weight of additives.
- a hybrid fat is particularly preferred, in which PAO, mPAO, ethylene, LAO copolymers are used as synthetic hydrocarbons.
- Figure 1 shows the structure of a device for determining the coefficients of friction based on a torque test in a ball joint.
- Figure 2 shows an example of the time course of the measurement of the device in Figure 1.
- Figure 3 shows the device for determining wear protection based on a wear protection test in a ball joint.
- the invention is illustrated by the following examples.
- the base oil or part of the base oil or oil mixture is placed in a suitable heatable container with an agitator, as used in the prior art for the production of lubricating greases.
- the thickener is produced, such as the neutralization of stearic acid or 12-OH stearic acid with lithium hydroxide and subsequent heating phase to remove the water and to form the thickener structure. Peak temperatures of up to 210 ° C can be reached in order to melt the soap thickener completely and then adjust the morphology of the thickener by targeted cooling. In the subsequent cooling phase, the additives are added and distributed homogeneously. It is also possible to prepare a batch with silicone oil as the base oil and thickener and to add the synthetic hydrocarbon oil as a mixing component analogously to an additive.
- the mixture of the two greases can be produced with agitators as they correspond to the state of the art in the production of lubricating greases. It is also possible to produce a batch with silicone oil as the base oil and thickener and the synthetic hydrocarbon oil as a mixing component analogous to an additive admit. It is also possible to prepare a batch with synthetic hydrocarbon oil as the base oil and thickener and to add only the silicone oil as a mixing component analogous to an additive. After the mixing, a subsequent homogenization process step can take place, for example, using a grinding mill (colloid mill), rolling mill or high-pressure homogenizer.
- the hybrid fats according to the invention were produced from components (A) and (B), which are shown in Table 2. All figures are in% by weight.
- the test method described below was used to determine the coefficients of friction based on a torque test in a ball joint.
- the structure of the test system is shown in Figure 1.
- Ball joints were used, as are standard in the chassis of vehicles.
- the balls are made of steel with a diameter of 23 mm.
- the steel ball is enclosed in a plastic shell made of POM (polyoxymethylene).
- the lubricant is introduced between the plastic shell and the steel ball.
- the POM shell with the ball is inserted in a form-fitting manner.
- the housing is pressed in such a way that a certain force is exerted on the shell and ball system.
- the surface pressure is approx. 1 N / mm 2 .
- Table 3 shows the results of the determination of the friction values using a torque test.
- the loosening and running moments could be positively influenced by hybridization.
- the low loosening torques and running torques of the silicone grease over the entire temperature range could be achieved particularly advantageously with the hybrid greases B and C and in some cases even exceeded, ie reduced.
- the wear test was carried out in a ball joint.
- the described ball joint is loaded by a device with a load of 3240N.
- the device is movably supported so that the ball can be tilted in the POM shell.
- the tilting movement is carried out with a deflection of 3 ° and a frequency of 15 Hz.
- the movement is stopped at regular intervals and the play caused by wear and tear is determined by relieving and reversing the load.
- the wear values could be positively influenced by hybridization.
- the hybrid greases B in particular, a very good level of wear could be achieved.
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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)
- Lubricants (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018005835.3A DE102018005835A1 (de) | 2018-07-24 | 2018-07-24 | Hybridfett mit niedrigen Reibwerten und hohem Verschleißschutz |
PCT/EP2019/000215 WO2020020476A1 (de) | 2018-07-24 | 2019-07-12 | Hybridfett mit niedrigen reibwerten und hohem verschleissschutz |
Publications (2)
Publication Number | Publication Date |
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EP3692120A1 true EP3692120A1 (de) | 2020-08-12 |
EP3692120B1 EP3692120B1 (de) | 2024-01-10 |
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EP19742289.2A Active EP3692120B1 (de) | 2018-07-24 | 2019-07-12 | Hybridfett mit niedrigen reibwerten und hohem verschleissschutz |
Country Status (8)
Country | Link |
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US (1) | US11274263B2 (de) |
EP (1) | EP3692120B1 (de) |
JP (1) | JP7090711B2 (de) |
KR (1) | KR102370955B1 (de) |
CN (1) | CN111770979B (de) |
BR (1) | BR112020011943A2 (de) |
DE (1) | DE102018005835A1 (de) |
WO (1) | WO2020020476A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3130837A1 (fr) * | 2021-12-21 | 2023-06-23 | Nyco | Nouvelles huiles de base polyalkoxysiloxanes pour applications lubrifiantes |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4251431A (en) | 1979-01-16 | 1981-02-17 | Shell Oil Company | Lubricating greases |
JPH06240274A (ja) * | 1993-02-16 | 1994-08-30 | Kyodo Yushi Kk | ボールジョイント用潤滑剤組成物 |
ATE178348T1 (de) | 1993-12-01 | 1999-04-15 | Ausimont Spa | Schmierfette auf basis von wasserstoffenthaltenden mineral- oder syntheseölen mit verbesserten eigenschaften |
DE19817055A1 (de) * | 1997-06-20 | 1998-12-24 | Fuchs Mineraloelwerke | Schmierstoff für wartungsfreie Gelenkwellen |
JP2002180077A (ja) * | 2000-12-08 | 2002-06-26 | Ntn Corp | 潤滑剤組成物および軸受 |
JP2003176489A (ja) | 2001-10-04 | 2003-06-24 | Nsk Ltd | トラクショングリース組成物 |
FR2906257A1 (fr) * | 2006-09-25 | 2008-03-28 | Rhodia Recherches & Tech | Graisse silicone a forte cohesion a froid |
JP5388486B2 (ja) | 2008-06-18 | 2014-01-15 | トピー工業株式会社 | グリース状潤滑剤 |
CN101870905B (zh) | 2009-04-24 | 2013-01-02 | 东莞太平洋博高润滑油有限公司 | 一种有机硅润滑脂及其制备方法 |
JP5731306B2 (ja) | 2011-07-21 | 2015-06-10 | 昭和シェル石油株式会社 | 二相潤滑油組成物 |
JP5689088B2 (ja) * | 2012-03-23 | 2015-03-25 | 新日鐵住金株式会社 | 冷間ピルガ圧延用潤滑剤組成物 |
EP2885383A1 (de) | 2012-08-14 | 2015-06-24 | Dow Corning Corporation | Schmiermittelzusammensetzungen |
GB2506974A (en) * | 2012-08-14 | 2014-04-16 | Dow Corning | Lubricant compositions |
JP6072532B2 (ja) | 2012-12-21 | 2017-02-01 | 昭和シェル石油株式会社 | グリース組成物 |
CN105907446B (zh) | 2016-04-20 | 2019-02-22 | 埃优诺特种新材料科技(山东)有限公司 | 润滑脂组合物及其制备方法 |
JP6902233B2 (ja) | 2016-12-06 | 2021-07-14 | 株式会社ニッペコ | グリース組成物及び可動継手 |
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2018
- 2018-07-24 DE DE102018005835.3A patent/DE102018005835A1/de active Pending
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2019
- 2019-07-12 JP JP2020535172A patent/JP7090711B2/ja active Active
- 2019-07-12 WO PCT/EP2019/000215 patent/WO2020020476A1/de unknown
- 2019-07-12 US US16/770,280 patent/US11274263B2/en active Active
- 2019-07-12 CN CN201980006975.6A patent/CN111770979B/zh active Active
- 2019-07-12 KR KR1020207014970A patent/KR102370955B1/ko active IP Right Grant
- 2019-07-12 EP EP19742289.2A patent/EP3692120B1/de active Active
- 2019-07-12 BR BR112020011943-1A patent/BR112020011943A2/pt active Search and Examination
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3130837A1 (fr) * | 2021-12-21 | 2023-06-23 | Nyco | Nouvelles huiles de base polyalkoxysiloxanes pour applications lubrifiantes |
WO2023118190A1 (fr) * | 2021-12-21 | 2023-06-29 | Nyco | Utilisation d'une huile de base polyalcoxysiloxanes en tant qu'agent lubrifiant |
Also Published As
Publication number | Publication date |
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EP3692120B1 (de) | 2024-01-10 |
CN111770979A (zh) | 2020-10-13 |
BR112020011943A2 (pt) | 2021-03-02 |
JP7090711B2 (ja) | 2022-06-24 |
WO2020020476A1 (de) | 2020-01-30 |
JP2021508750A (ja) | 2021-03-11 |
KR20200079512A (ko) | 2020-07-03 |
CN111770979B (zh) | 2023-04-07 |
DE102018005835A1 (de) | 2020-01-30 |
KR102370955B1 (ko) | 2022-03-08 |
US11274263B2 (en) | 2022-03-15 |
US20210171856A1 (en) | 2021-06-10 |
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