EP2311926A1 - Additif pour lubrifiant destiné à l'amélioration des propriétés tribologiques, son procédé de fabrication et d'utilisation - Google Patents
Additif pour lubrifiant destiné à l'amélioration des propriétés tribologiques, son procédé de fabrication et d'utilisation Download PDFInfo
- Publication number
- EP2311926A1 EP2311926A1 EP09172634A EP09172634A EP2311926A1 EP 2311926 A1 EP2311926 A1 EP 2311926A1 EP 09172634 A EP09172634 A EP 09172634A EP 09172634 A EP09172634 A EP 09172634A EP 2311926 A1 EP2311926 A1 EP 2311926A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- oil
- additives
- nanoparticles
- lubricant
- lubricants
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000314 lubricant Substances 0.000 title claims abstract description 50
- 239000000654 additive Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims description 11
- 230000000996 additive effect Effects 0.000 title description 4
- 239000002105 nanoparticle Substances 0.000 claims abstract description 43
- 239000012530 fluid Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 5
- 239000000919 ceramic Substances 0.000 claims abstract description 5
- 229910000505 Al2TiO5 Inorganic materials 0.000 claims abstract description 4
- 229910052580 B4C Inorganic materials 0.000 claims abstract description 4
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims abstract description 4
- 239000002734 clay mineral Substances 0.000 claims abstract description 4
- AABBHSMFGKYLKE-SNAWJCMRSA-N propan-2-yl (e)-but-2-enoate Chemical compound C\C=C\C(=O)OC(C)C AABBHSMFGKYLKE-SNAWJCMRSA-N 0.000 claims abstract description 4
- 150000003467 sulfuric acid derivatives Chemical class 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 3
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- 235000020777 polyunsaturated fatty acids Nutrition 0.000 claims description 9
- PRAKJMSDJKAYCZ-UHFFFAOYSA-N squalane Chemical compound CC(C)CCCC(C)CCCC(C)CCCCC(C)CCCC(C)CCCC(C)C PRAKJMSDJKAYCZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003879 lubricant additive Substances 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- JAZBEHYOTPTENJ-JLNKQSITSA-N all-cis-5,8,11,14,17-icosapentaenoic acid Chemical compound CC\C=C/C\C=C/C\C=C/C\C=C/C\C=C/CCCC(O)=O JAZBEHYOTPTENJ-JLNKQSITSA-N 0.000 claims description 6
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 claims description 6
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- 235000020673 eicosapentaenoic acid Nutrition 0.000 claims description 6
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- JAZBEHYOTPTENJ-UHFFFAOYSA-N eicosapentaenoic acid Natural products CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O JAZBEHYOTPTENJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 5
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- DVSZKTAMJJTWFG-SKCDLICFSA-N (2e,4e,6e,8e,10e,12e)-docosa-2,4,6,8,10,12-hexaenoic acid Chemical compound CCCCCCCCC\C=C\C=C\C=C\C=C\C=C\C=C\C(O)=O DVSZKTAMJJTWFG-SKCDLICFSA-N 0.000 claims description 3
- YYGNTYWPHWGJRM-UHFFFAOYSA-N (6E,10E,14E,18E)-2,6,10,15,19,23-hexamethyltetracosa-2,6,10,14,18,22-hexaene Chemical compound CC(C)=CCCC(C)=CCCC(C)=CCCC=C(C)CCC=C(C)CCC=C(C)C YYGNTYWPHWGJRM-UHFFFAOYSA-N 0.000 claims description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 3
- HBTAOSGHCXUEKI-UHFFFAOYSA-N 4-chloro-n,n-dimethyl-3-nitrobenzenesulfonamide Chemical compound CN(C)S(=O)(=O)C1=CC=C(Cl)C([N+]([O-])=O)=C1 HBTAOSGHCXUEKI-UHFFFAOYSA-N 0.000 claims description 3
- HIQIXEFWDLTDED-UHFFFAOYSA-N 4-hydroxy-1-piperidin-4-ylpyrrolidin-2-one Chemical compound O=C1CC(O)CN1C1CCNCC1 HIQIXEFWDLTDED-UHFFFAOYSA-N 0.000 claims description 3
- GZJLLYHBALOKEX-UHFFFAOYSA-N 6-Ketone, O18-Me-Ussuriedine Natural products CC=CCC=CCC=CCC=CCC=CCC=CCCCC(O)=O GZJLLYHBALOKEX-UHFFFAOYSA-N 0.000 claims description 3
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- 235000012137 Atriplex confertifolia Nutrition 0.000 claims description 3
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 claims description 3
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 claims description 3
- 244000180278 Copernicia prunifera Species 0.000 claims description 3
- 235000010919 Copernicia prunifera Nutrition 0.000 claims description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 3
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- BHEOSNUKNHRBNM-UHFFFAOYSA-N Tetramethylsqualene Natural products CC(=C)C(C)CCC(=C)C(C)CCC(C)=CCCC=C(C)CCC(C)C(=C)CCC(C)C(C)=C BHEOSNUKNHRBNM-UHFFFAOYSA-N 0.000 claims description 3
- 235000019498 Walnut oil Nutrition 0.000 claims description 3
- 239000008168 almond oil Substances 0.000 claims description 3
- 235000020661 alpha-linolenic acid Nutrition 0.000 claims description 3
- 239000010775 animal oil Substances 0.000 claims description 3
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- 235000005687 corn oil Nutrition 0.000 claims description 3
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- 235000020669 docosahexaenoic acid Nutrition 0.000 claims description 3
- KAUVQQXNCKESLC-UHFFFAOYSA-N docosahexaenoic acid (DHA) Natural products COC(=O)C(C)NOCC1=CC=CC=C1 KAUVQQXNCKESLC-UHFFFAOYSA-N 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims description 3
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- 229940075529 glyceryl stearate Drugs 0.000 claims description 3
- 239000010468 hazelnut oil Substances 0.000 claims description 3
- 229920006007 hydrogenated polyisobutylene Polymers 0.000 claims description 3
- KZNCGBSPOPWJOT-UHFFFAOYSA-N icosyl 2-ethylhexanoate Chemical compound CCCCCCCCCCCCCCCCCCCCOC(=O)C(CC)CCCC KZNCGBSPOPWJOT-UHFFFAOYSA-N 0.000 claims description 3
- 239000003112 inhibitor Substances 0.000 claims description 3
- 229940074928 isopropyl myristate Drugs 0.000 claims description 3
- 229940119170 jojoba wax Drugs 0.000 claims description 3
- 235000019388 lanolin Nutrition 0.000 claims description 3
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- 235000021388 linseed oil Nutrition 0.000 claims description 3
- 235000020640 mackerel Nutrition 0.000 claims description 3
- 239000003607 modifier Substances 0.000 claims description 3
- JXTPJDDICSTXJX-UHFFFAOYSA-N n-Triacontane Natural products CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC JXTPJDDICSTXJX-UHFFFAOYSA-N 0.000 claims description 3
- 229960002446 octanoic acid Drugs 0.000 claims description 3
- 235000014593 oils and fats Nutrition 0.000 claims description 3
- 239000003346 palm kernel oil Substances 0.000 claims description 3
- 235000019865 palm kernel oil Nutrition 0.000 claims description 3
- 239000002540 palm oil Substances 0.000 claims description 3
- 239000000312 peanut oil Substances 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000001944 prunus armeniaca kernel oil Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 229940119224 salmon oil Drugs 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 239000000344 soap Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 239000003549 soybean oil Substances 0.000 claims description 3
- 235000012424 soybean oil Nutrition 0.000 claims description 3
- 229940032094 squalane Drugs 0.000 claims description 3
- 229940031439 squalene Drugs 0.000 claims description 3
- TUHBEKDERLKLEC-UHFFFAOYSA-N squalene Natural products CC(=CCCC(=CCCC(=CCCC=C(/C)CCC=C(/C)CC=C(C)C)C)C)C TUHBEKDERLKLEC-UHFFFAOYSA-N 0.000 claims description 3
- 239000002600 sunflower oil Substances 0.000 claims description 3
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- 239000002023 wood Substances 0.000 claims description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 2
- 229910017083 AlN Inorganic materials 0.000 claims description 2
- 239000005069 Extreme pressure additive Substances 0.000 claims description 2
- 229910016006 MoSi Inorganic materials 0.000 claims description 2
- 235000019497 Pistachio oil Nutrition 0.000 claims description 2
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 2
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 claims description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 claims description 2
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- 235000008753 Papaver somniferum Nutrition 0.000 claims 1
- 150000004667 medium chain fatty acids Chemical class 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 6
- 239000000377 silicon dioxide Substances 0.000 abstract description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 4
- GNTDGMZSJNCJKK-UHFFFAOYSA-N divanadium pentaoxide Chemical compound O=[V](=O)O[V](=O)=O GNTDGMZSJNCJKK-UHFFFAOYSA-N 0.000 abstract 4
- 229910052582 BN Inorganic materials 0.000 abstract 2
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 abstract 2
- 229910052581 Si3N4 Inorganic materials 0.000 abstract 2
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 abstract 2
- 229910007948 ZrB2 Inorganic materials 0.000 abstract 2
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 abstract 2
- VWZIXVXBCBBRGP-UHFFFAOYSA-N boron;zirconium Chemical compound B#[Zr]#B VWZIXVXBCBBRGP-UHFFFAOYSA-N 0.000 abstract 2
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- 229910000422 cerium(IV) oxide Inorganic materials 0.000 abstract 2
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- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Inorganic materials O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 2
- URLJKFSTXLNXLG-UHFFFAOYSA-N niobium(5+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Nb+5].[Nb+5] URLJKFSTXLNXLG-UHFFFAOYSA-N 0.000 abstract 2
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- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
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Images
Classifications
-
- 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
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/06—Particles of special shape or size
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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- C10N2050/10—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy
Definitions
- the present invention relates to new additives for lubricants for improving the tribological properties, a process for their preparation and their use.
- Lubricants are native oils, such as castor oil or rapeseed oil, mineral oils, e.g. naphthenic mineral oils, and / or synthetic oils, e.g. Polyalphaolefins or ester oils. These serve to reduce friction, which causes noise and especially material wear. In addition, the use of lubricants also allows the heat dissipation. Depending on the intended use, the lubricants are subjected to a wide variety of additives.
- the thermal stability, the viscosity index, the pour point, also the tribological properties are of crucial importance.
- the load carrying capacity is a measure of the ability to prevent the welding of materials.
- Zinc dithiophosphate Zinc dithiophosphate (ZnDTP), zinc 4-methylpentyl-2-dithiophosphate and zinc dialkyl dithiophosphate are used as synthetic lubricant additives for wear protection. Their tribological effect comes about through intensive chemical reaction with metals on the sliding surface. This forms reaction layers that protect the surface from wear and welding under extreme pressure.
- a disadvantage of these lubricant compositions is that they can only be effective at temperatures higher than room temperature. Furthermore, the lubricant compositions known in the art do not have sufficient high temperature stability and the "depot effect" is very rapidly consumed due to the high rate of decomposition at higher temperatures. In addition, these additives are not sufficiently effective at too low temperatures due to the low decomposition rates.
- the object of the present invention to find additives for lubricants to improve the tribological properties, which have a tribological operation over a wide temperature range, especially at low temperatures, and can be provided inexpensively.
- a composition should be found which is particularly useful for very low temperatures, e.g. prevail in starting processes in the automobile, but also at high temperatures, where standard additives are thermally completely decomposed and thus ineffective, an effect.
- the additives for lubricants exhibit a pronounced mechanical and thermal resistance and thus can be used at high temperatures of preferably up to 1000 ° C, where conventional previously known lubricant additives usually fail.
- the tribological action of the additives should preferably be carried out in a purely mechanical manner and without chemical reactions.
- compositions of conventional zinc dithiophosphate based lubricant additives and of ashless lubricant additives should at least be equal in performance and performance gaps not covered by conventional AW additives and / or extreme pressure (EP) additives , shut down.
- the lubricant additives have a relatively high thermal conductivity and thus can very well dissipate heat from the lubrication gap in which they are used.
- the lubricants produced therefrom should have an improved load carrying capacity.
- the lubricants are native oils, e.g. Castor oil or rapeseed oil, mineral, e.g. naphthenic mineral oils, and / or synthetic oils, e.g. Polyalphaolefin or ester oils.
- the term lubricant includes all common and commercially available lubricating oils.
- soybean oil, palm oil, palm kernel oil, sunflower oil, corn oil, linseed oil, rapeseed oil, thistle oil, wheat germ oil, rice oil, coconut oil, almond oil, apricot kernel oil, avocado oil, jojoba oil, hazelnut oil, walnut oil, peanut oil, pistachio oil, triglycerides of medium-chain vegetable fatty acids (so-called MCT oils) and PUFA oils (PUFA polyunsaturated fatty acids such as eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA) and ⁇ -linolenic acid; semisynthetic triglycerides such as caprylic acid / capric acid tricycerides such as Miglyol types; oleostearin, paraffin oil, glyceryl stearate, isopropyl myristate, diisopropyl adipate, 2-ethylhe
- the present invention therefore relates to additives for lubricants containing nanoparticles, which are substantially spherical.
- the additives according to the invention for lubricants have a tribological effect at temperatures of from 20 to 1000 ° C., preferably from room temperature to 400 ° C., more preferably up to 250 ° C.
- Nanoparticles within the meaning of the invention are preferably ceramic nanoparticles. These are particularly preferably selected from the group Al 2 O 3 , AlN, SiO 2 , TiO 2 , ZrO 2 , Y 2 O 3 , WO 3 , Ta 2 O 5 , V 2 O 5 , Nb 2 O 5 , CeO 2 , Boron carbide, aluminum titanate, BN, MoSi 2 , SiC, Si 3 N 4 , TiC, TiN, ZrB 2 , clay minerals (eg montmorillonite) and / or mixtures thereof and thermally stable carbonates and / or sulfates such as zinc carbonate and / or zinc sulfate.
- ceramic nanoparticles are particularly preferably selected from the group Al 2 O 3 , AlN, SiO 2 , TiO 2 , ZrO 2 , Y 2 O 3 , WO 3 , Ta 2 O 5 , V 2 O 5 , Nb 2 O 5 , CeO 2 , Bor
- the spherical nanoparticles according to the invention preferably have a particle size of 1 to 5000 nm, preferably 10 to 500 nm, very particularly preferably 50 to 300 nm, measured as primary particles.
- the nanoparticles have no surface modification, e.g. by chemically bound siloxanes and / or silanes.
- the nanoparticles have a thermal conductivity of 1 to 100 W / mK, more preferably 20 to 80 W / mK, particularly preferably 40 to 60 W / mK.
- the nanoparticles have a thermal stability of from room temperature to 1000 ° C., more preferably from RT to 400, particularly preferably from RT to 250.
- the content of nanoparticles in the lubricant is preferably 0.05 to 95% by weight, more preferably 0.1 to 50% by weight, particularly preferably 0.5 to 5% by weight, based on the lubricant.
- the nanoparticles are dispersed in a base fluid.
- the base fluid may correspond to the later intended lubricant (oils).
- MCT oils medium-chain vegetable fatty acids
- PUFA polyunsaturated fatty acids such as eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA)
- nanoparticles are chemically inert, not microbiologically degradable and non-oxidizable.
- additives in addition to the additives according to the invention, it is additionally possible to use further constituents selected from the group consisting of viscosity index improvers, detergents, dispersants, defoamers, EP additives, pour point depressants, corrosion protection additives, non-ferrous metal inhibitors, Friction modifiers, lubrication improvers, antioxidants, tackiness agents, demulsifiers, emulsifiers, deaerators, wetting agents, water in the form of emulsions, solid lubricants, thickeners, such as soap thickeners; Polyureas, bentonites, polymorphic silicas, solubilizers, flame retardants, thixotropic agents, dilating agents, anti-wear additives (AW) additives, dyes, pigments, tracers and / or fragrances, are used in the lubricant.
- AW anti-wear additives
- the content of further constituents in the lubricant is preferably 0.001 to 50.00 wt .-%, more preferably 0.50 to 20 wt .-%, particularly preferably 1.00 to 5.00 wt .-%, each based on the Lubricant.
- mechanical action mentioned under (b) is carried out by means of rolling, ultraturrax, ultrasound, spray drying, electrostatic methods, pH change, use of dispersing aids, stirrers and mills, in particular ball mills, for (wet) grinding.
- Another object of the present invention are the additives obtainable by this process mentioned above for lubricants.
- Another object of the invention are lubricants containing nanoparticles which are substantially spherical. It applies to the nanoparticles, the above definitions and embodiments and the Fig.1 ,
- the lubricants additionally comprise further constituents selected from the group consisting of viscosity index improvers, detergents, dispersants, defoamers, E P additives, pour point depressants, corrosion protection additives, non-ferrous metal inhibitors, friction additives.
- modifiers lubricating improvers, antioxidants, tackiness agents, demulsifiers, emulsifiers, deaerators, wetting agents, water in the form of emulsions, solid lubricants, thickeners, such as soap thickeners; Polyureas, bentonites, polymorphic silicas, solubilizers, flame retardants, thixotropic agents, dilating agents, anti-wear additives, dyes, pigments, tracers and / or fragrances.
- the content of further constituents from 0.001 to 50.00 wt .-%, more preferably 0.50 to 20 wt .-%, particularly preferably 1.00 to 5.00 wt .-%, each based on the Lubricant is.
- the invention also relates to the use of the additives according to the invention for lubricants for improving the tribological properties and the load carrying capacity. It primarily includes the reduction of friction, wear, an improvement of the lubricating effect, including a heat-dissipating function.
- the load carrying capacity is a measure of the ability to prevent the welding of materials.
- the lubricants according to the invention can be used in a variety of ways by the additives according to the invention. Particular applications to be mentioned are high temperature applications in lubricating pastes, e.g. for pressing in plain bearing bushings and roller bearing rings, for pressing on toothed and sprocket wheels, for lubricating guides, joints and threads and as an assembly aid; for use in engine oils and in gear oils, in fats and release agents and in heat transfer fluids as well as in hydraulic fluids (power transmission fluids) for flame retardancy.
- these can be used as metal-working fluids to reduce the high forces that can occur in metalworking and metal forming and as a cooling lubricant.
- nanoparticles according to the invention can be used for FDA applications, ie food-safe applications, since it can be assumed for a large proportion of nanoparticles according to the invention that These are harmless to health and therefore may be used as ingredients for food.
- Lubricants which contain the additives according to the invention can also obtain the eco-label, since the additives have neither an aquatoxicity nor a warm-blooded toxicity.
- SRV Vibration Rubbing
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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)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09172634A EP2311926A1 (fr) | 2009-10-09 | 2009-10-09 | Additif pour lubrifiant destiné à l'amélioration des propriétés tribologiques, son procédé de fabrication et d'utilisation |
| BRPI1004026-9A BRPI1004026A2 (pt) | 2009-10-09 | 2010-10-06 | aditivos para lubificantes para melhoria das caracterÍsticas tribolàgicas, novos lubrificantes, processo para sua fabricaÇço e seu uso |
| US12/898,819 US20110118156A1 (en) | 2009-10-09 | 2010-10-06 | Lubricant additives for improving the tribological properties, novel lubricants, process for the preparation thereof and the use thereof |
| CA2717212A CA2717212A1 (fr) | 2009-10-09 | 2010-10-07 | Additifs lubrifiants ameliorant les proprietes tribologiques, lubrifiants inedits, procede de preparation et utilisation connexes |
| JP2010228556A JP2011080065A (ja) | 2009-10-09 | 2010-10-08 | トライボロジー特性を改善するための潤滑油用添加剤、新規潤滑油、それらの製造方法、およびそれらの使用 |
| KR1020100098056A KR20110039197A (ko) | 2009-10-09 | 2010-10-08 | 트라이볼러지 특성을 개선하기 위한 윤활제 첨가제, 신규 윤활제, 이의 제조 방법 및 이의 용도 |
| RU2010141357/04A RU2010141357A (ru) | 2009-10-09 | 2010-10-08 | Смазочное средство, способ его изготовления и его применение, а также способ оптимизации трибологических свойств и противозадирного действия при его использовании в высокотемпературных пластичных смазках |
| CN201010503107XA CN102041136A (zh) | 2009-10-09 | 2010-10-09 | 用于改进摩擦学特性的润滑剂添加剂、新颖的润滑剂、其制备方法及其用途 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP09172634A EP2311926A1 (fr) | 2009-10-09 | 2009-10-09 | Additif pour lubrifiant destiné à l'amélioration des propriétés tribologiques, son procédé de fabrication et d'utilisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP2311926A1 true EP2311926A1 (fr) | 2011-04-20 |
Family
ID=42115777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09172634A Withdrawn EP2311926A1 (fr) | 2009-10-09 | 2009-10-09 | Additif pour lubrifiant destiné à l'amélioration des propriétés tribologiques, son procédé de fabrication et d'utilisation |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20110118156A1 (fr) |
| EP (1) | EP2311926A1 (fr) |
| JP (1) | JP2011080065A (fr) |
| KR (1) | KR20110039197A (fr) |
| CN (1) | CN102041136A (fr) |
| BR (1) | BRPI1004026A2 (fr) |
| CA (1) | CA2717212A1 (fr) |
| RU (1) | RU2010141357A (fr) |
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| WO2012156980A1 (fr) * | 2011-05-18 | 2012-11-22 | Tata Steel Limited | Procédé pour la détermination de la composition lubrifiante dans un système de réfrigération par compression de vapeur pour augmenter le coefficient de performance |
| CN102527612A (zh) * | 2011-12-30 | 2012-07-04 | 上海市轴承技术研究所 | 关节轴承表面改性处理方法 |
| CN102527612B (zh) * | 2011-12-30 | 2014-11-12 | 上海市轴承技术研究所 | 关节轴承表面改性处理方法 |
| RU2491323C1 (ru) * | 2012-04-24 | 2013-08-27 | Федеральное государственное бюджетное учреждение науки Институт химии нефти Сибирского отделения Российской академии наук (ИХН СО РАН) | Деэмульгатор для разрушения водонефтяных эмульсий |
| WO2021019366A1 (fr) * | 2019-08-01 | 2021-02-04 | King Abdullah University Of Science And Technology | Nanoparticules à enveloppe de polyphénol, composition lubrifiante les contenant et leur procédé de synthèse |
| CN110747046A (zh) * | 2019-10-25 | 2020-02-04 | 李家宝 | 一种环保脱模剂及其制备方法 |
| CN110747046B (zh) * | 2019-10-25 | 2022-09-23 | 泉州凯平肯拓化工有限公司 | 一种环保脱模剂及其制备方法 |
| CN114672361A (zh) * | 2022-03-24 | 2022-06-28 | 中国石油化工股份有限公司 | 多功能传动系用油组合物、多功能传动系用油及其制备方法和应用 |
| CN114672361B (zh) * | 2022-03-24 | 2023-04-11 | 中国石油化工股份有限公司 | 多功能传动系用油组合物、多功能传动系用油及其制备方法和应用 |
| DE102024103809B3 (de) | 2024-02-12 | 2024-08-14 | Christoph Fuchs | Wassermischbarer Kühlschmierstoff und anwendungsfertige Emulsion |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20110039197A (ko) | 2011-04-15 |
| CN102041136A (zh) | 2011-05-04 |
| JP2011080065A (ja) | 2011-04-21 |
| BRPI1004026A2 (pt) | 2013-02-13 |
| RU2010141357A (ru) | 2012-04-20 |
| CA2717212A1 (fr) | 2011-04-09 |
| US20110118156A1 (en) | 2011-05-19 |
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