EP2164935B1 - Schmierfettzusammensetzung - Google Patents
Schmierfettzusammensetzung Download PDFInfo
- Publication number
- EP2164935B1 EP2164935B1 EP08758645.9A EP08758645A EP2164935B1 EP 2164935 B1 EP2164935 B1 EP 2164935B1 EP 08758645 A EP08758645 A EP 08758645A EP 2164935 B1 EP2164935 B1 EP 2164935B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- grease composition
- lubricating grease
- accordance
- fat
- ethyl
- 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.)
- Active
Links
- 239000000203 mixture Substances 0.000 title claims description 83
- 239000004519 grease Substances 0.000 title claims description 78
- 230000001050 lubricating effect Effects 0.000 title claims description 23
- 239000002608 ionic liquid Substances 0.000 claims description 47
- 239000003921 oil Substances 0.000 claims description 35
- 239000000314 lubricant Substances 0.000 claims description 28
- 239000002562 thickening agent Substances 0.000 claims description 23
- 239000000654 additive Substances 0.000 claims description 18
- 150000002148 esters Chemical class 0.000 claims description 17
- 239000002199 base oil Substances 0.000 claims description 16
- 239000010702 perfluoropolyether Chemical class 0.000 claims description 16
- 239000000344 soap Substances 0.000 claims description 16
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 15
- 239000004202 carbamide Substances 0.000 claims description 15
- -1 C22 carboxylic acids Chemical class 0.000 claims description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 13
- 229910052744 lithium Inorganic materials 0.000 claims description 13
- LRESCJAINPKJTO-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;1-ethyl-3-methylimidazol-3-ium Chemical compound CCN1C=C[N+](C)=C1.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F LRESCJAINPKJTO-UHFFFAOYSA-N 0.000 claims description 12
- LTOPJNCLIAYPRS-UHFFFAOYSA-M 1-ethyl-3-methylpyridin-1-ium;1,1,2,2,3,3,4,4,4-nonafluorobutane-1-sulfonate Chemical compound CC[N+]1=CC=CC(C)=C1.[O-]S(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LTOPJNCLIAYPRS-UHFFFAOYSA-M 0.000 claims description 11
- 229920013639 polyalphaolefin Polymers 0.000 claims description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 8
- 125000001931 aliphatic group Chemical group 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 125000003118 aryl group Chemical group 0.000 claims description 5
- VRFOKYHDLYBVAL-UHFFFAOYSA-M 1-ethyl-3-methylimidazol-3-ium;ethyl sulfate Chemical compound CCOS([O-])(=O)=O.CCN1C=C[N+](C)=C1 VRFOKYHDLYBVAL-UHFFFAOYSA-M 0.000 claims description 4
- 239000004642 Polyimide Substances 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- 150000001412 amines Chemical class 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000004985 diamines Chemical class 0.000 claims description 4
- 229920001721 polyimide Polymers 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229910019142 PO4 Inorganic materials 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- HYNYWFRJHNNLJA-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;trihexyl(tetradecyl)phosphanium Chemical compound FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F.CCCCCCCCCCCCCC[P+](CCCCCC)(CCCCCC)CCCCCC HYNYWFRJHNNLJA-UHFFFAOYSA-N 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 150000003871 sulfonates Chemical class 0.000 claims description 3
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 claims description 2
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 2
- 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
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 150000005840 aryl radicals Chemical class 0.000 claims description 2
- 239000000440 bentonite Substances 0.000 claims description 2
- 229910000278 bentonite Inorganic materials 0.000 claims description 2
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 2
- 150000001555 benzenes Chemical class 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims description 2
- 150000004696 coordination complex Chemical class 0.000 claims description 2
- 125000005442 diisocyanate group Chemical group 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
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 2
- 150000003949 imides Chemical class 0.000 claims description 2
- 238000005461 lubrication Methods 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
- 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
- 150000002790 naphthalenes Chemical class 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 2
- 239000010452 phosphate Substances 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 239000010695 polyglycol Chemical class 0.000 claims description 2
- 229920000151 polyglycol Chemical class 0.000 claims description 2
- 229920013636 polyphenyl ether polymer Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 230000004224 protection Effects 0.000 claims description 2
- 229920002545 silicone oil Chemical class 0.000 claims description 2
- 150000000000 tetracarboxylic acids Chemical class 0.000 claims description 2
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 claims description 2
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 claims description 2
- 150000003628 tricarboxylic acids Chemical class 0.000 claims description 2
- HSLXOARVFIWOQF-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;1-butyl-1-methylpyrrolidin-1-ium Chemical compound CCCC[N+]1(C)CCCC1.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F HSLXOARVFIWOQF-UHFFFAOYSA-N 0.000 claims 3
- 239000002253 acid Substances 0.000 claims 1
- 239000000539 dimer Substances 0.000 claims 1
- NOPFSRXAKWQILS-UHFFFAOYSA-N docosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCO NOPFSRXAKWQILS-UHFFFAOYSA-N 0.000 claims 1
- 239000003381 stabilizer Substances 0.000 claims 1
- 239000003925 fat Substances 0.000 description 82
- 235000019198 oils Nutrition 0.000 description 34
- 238000005096 rolling process Methods 0.000 description 22
- 238000012360 testing method Methods 0.000 description 19
- 238000007792 addition Methods 0.000 description 13
- 239000007788 liquid Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- KIWBPDUYBMNFTB-UHFFFAOYSA-N Ethyl hydrogen sulfate Chemical compound CCOS(O)(=O)=O KIWBPDUYBMNFTB-UHFFFAOYSA-N 0.000 description 10
- 238000000926 separation method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 230000035515 penetration Effects 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 229920002396 Polyurea Polymers 0.000 description 4
- 150000001450 anions Chemical class 0.000 description 4
- XDJYSDBSJWNTQT-UHFFFAOYSA-N bis(trifluoromethylsulfonyl)azanide;1-ethyl-2,3-dimethylimidazol-3-ium Chemical compound CC[N+]=1C=CN(C)C=1C.FC(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)F XDJYSDBSJWNTQT-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- PXELHGDYRQLRQO-UHFFFAOYSA-N 1-butyl-1-methylpyrrolidin-1-ium Chemical compound CCCC[N+]1(C)CCCC1 PXELHGDYRQLRQO-UHFFFAOYSA-N 0.000 description 3
- 238000004252 FT/ICR mass spectrometry Methods 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 239000003981 vehicle Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- ZXMGHDIOOHOAAE-UHFFFAOYSA-N 1,1,1-trifluoro-n-(trifluoromethylsulfonyl)methanesulfonamide Chemical compound FC(F)(F)S(=O)(=O)NS(=O)(=O)C(F)(F)F ZXMGHDIOOHOAAE-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- 239000007983 Tris buffer Substances 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N anhydrous trimellitic acid Natural products OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 235000010446 mineral oil Nutrition 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 235000021317 phosphate Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 150000003464 sulfur compounds Chemical class 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XMKLTEGSALONPH-UHFFFAOYSA-N 1,2,4,5-tetrazinane-3,6-dione Chemical compound O=C1NNC(=O)NN1 XMKLTEGSALONPH-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000144217 Limnanthes alba Species 0.000 description 1
- 235000019482 Palm oil Nutrition 0.000 description 1
- 235000019483 Peanut oil Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 241000390166 Physaria Species 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 235000019485 Safflower oil Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000019486 Sunflower oil Nutrition 0.000 description 1
- 239000012963 UV stabilizer Substances 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001449 anionic compounds Chemical class 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical class OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000013522 chelant Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 229910001412 inorganic anion Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000000944 linseed oil Substances 0.000 description 1
- 235000021388 linseed oil Nutrition 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005007 materials handling Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 125000005525 methide group Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 150000002891 organic anions Chemical class 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical compound [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011814 protection agent Substances 0.000 description 1
- JUJWROOIHBZHMG-UHFFFAOYSA-O pyridinium Chemical compound C1=CC=[NH+]C=C1 JUJWROOIHBZHMG-UHFFFAOYSA-O 0.000 description 1
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellityc acid Natural products OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000033764 rhythmic process Effects 0.000 description 1
- 239000003813 safflower oil Substances 0.000 description 1
- 235000005713 safflower oil Nutrition 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000003549 soybean oil Substances 0.000 description 1
- 235000012424 soybean oil Nutrition 0.000 description 1
- 238000010972 statistical evaluation Methods 0.000 description 1
- 238000000629 steam reforming Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- JFZKOODUSFUFIZ-UHFFFAOYSA-N trifluoro phosphate Chemical compound FOP(=O)(OF)OF JFZKOODUSFUFIZ-UHFFFAOYSA-N 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- PHYFQTYBJUILEZ-IUPFWZBJSA-N triolein Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(OC(=O)CCCCCCC\C=C/CCCCCCCC)COC(=O)CCCCCCC\C=C/CCCCCCCC PHYFQTYBJUILEZ-IUPFWZBJSA-N 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 230000003442 weekly effect Effects 0.000 description 1
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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/40—Six-membered ring containing nitrogen and carbon only
-
- 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
- C10M119/00—Lubricating compositions characterised by the thickener being a macromolecular compound
- C10M119/24—Lubricating compositions characterised by the thickener being a macromolecular compound containing nitrogen
-
- 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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/44—Five-membered ring containing nitrogen and carbon only
-
- 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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/38—Heterocyclic nitrogen compounds
- C10M133/44—Five-membered ring containing nitrogen and carbon only
- C10M133/46—Imidazoles
-
- 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
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/08—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium containing a sulfur-to-oxygen bond
- C10M135/10—Sulfonic acids or derivatives thereof
-
- 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
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
- C10M137/04—Phosphate esters
- C10M137/08—Ammonium or amine salts
-
- 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
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/12—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having a phosphorus-to-carbon bond
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/02—Groups 1 or 11
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
-
- 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
- C10N2020/079—Liquid crystals
-
- 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
- C10N2030/02—Pour-point; Viscosity index
-
- 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
-
- 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
- C10N2030/08—Resistance to extreme temperature
-
- 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
-
- 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 invention relates to lubricating grease compositions comprising a base oil mixture based on oils having viscosities customary for industrial lubricants (ISO VG 2 to ISO VG 1500), an ionic liquid, a thickening agent, e.g. based on a polyurea compound and conventional additives which, both at common use temperatures of more than 120 ° C to 260 ° C in particular at a service temperature in the range of more than 180 ° C to 260 ° C and at low temperatures to -60 ° C can be used.
- the invention also relates to a process for the preparation of such grease compositions.
- Lubricants are used in vehicle technology, materials handling, mechanical engineering, office technology, as well as in industrial plants and machines, but also in the fields of household appliances and consumer electronics.
- lubricants ensure that between separating sliding or rolling parts a separating, load-transmitting lubricating film is built up. This ensures that the metallic surfaces do not touch and thus no wear occurs.
- the lubricants must therefore meet high requirements. These include extreme operating conditions, such as very high or very low speeds, high temperatures due to high speeds or foreign heating, very low temperatures, for example, for bearings operating in a cold environment or those used in the air and air Space travel occur.
- the modern lubricants under so-called clean room conditions should be used to avoid the pollution of the room by the abrasion or the consumption of lubricants.
- lubricants should be avoided from evaporating and "laking up", that is, they solidify after a short period of use and no longer show lubricity.
- On lubricants and special requirements in the application are made to the effect that the running surfaces of the bearings are not attacked by low friction, run the storage areas quiet, and long maturities are required without relubrication.
- lubricants must withstand the effects of force such as centrifugal force, gravity and vibration.
- a lubricating grease can stimulate vibrations in the rolling bearing during circulation participation (rolling over, rolling), which are "lubricant noises" in the frequency bands medium 300 to 1,800 Hz and high 1,800 to 10,000 Hz, compared to the bearing noise in the frequency band low at 50 to 300 Hz.
- the lubricant noise is superimposed by the noise peaks that occur during the rolling over of hard particles by the rolling elements in the form of shock pulses on the bearing ring.
- noise behavior is evaluated according to the SKF-Bequiet method, which is based on the statistical evaluation of the noise peaks and the assignment to the noise classes BQ1 to BQ4. As the noise class increases, the noise performance and life of the rolling bearing deteriorates (H. Werries, E. Paland, FVA Study on Low Noise Greases). University of Hannover 1994). Thus, 100% noise class BQ1 characterizes very good noise behavior and low percentages only in noise class BQ4 very poor noise behavior.
- Ionic liquids are so-called molten salts, which are preferably liquid at room temperature or by definition have a melting point ⁇ 100 ° C.
- Known cation / anion combinations leading to ionic liquids are e.g. Dialkylimidazolium, pyridinium, ammonium and phosphonium, etc.
- ionic liquids have an extremely low vapor pressure, are nonflammable and are often thermally stable up to more than 260 ° C. and, in addition, can be lubricated.
- the WO 2006/077082 describes a method for sealing rotating shafts using mechanical seals and the use of ionic liquids as part of the sealing fluid for mechanical seals for sealing rotating shafts.
- These barrier fluids should serve to additionally seal rotating shafts.
- the known barrier fluids are water or oils whose behavior is to be improved by the use of ionic liquids with respect to the interaction with the environment of the machines with high tightness requirements.
- the DE 10 2004 033 021 A1 describes the use of ionic liquids alls hydraulic fluids, the compressibility of liquid pressure transmission means to be reduced and thus the energy transfer efficiency of hydraulic systems to be improved.
- a process machine in which an ionic liquid is used as the operating fluid.
- This ionic liquid is also used in the scope of use as a working liquid as a lubricating liquid, barrier liquid, sealing liquid, pressure transfer liquid and the like.
- the WO 2006 109 652 describes a grease composition containing an ionic liquid as a bas oil.
- the object of the present invention is to provide a grease composition which meets the above requirements, is particularly applicable to high and low temperature conditions, has little or no vapor pressure and thus does not evaporate in use, and exhibits good noise performance, long run times and essentially causes no signs of wear of the bearing.
- the grease composition is intended to effect an oil separation suitable for the application.
- a grease composition consisting of a mixture of a base oil mixture based on oils with viscosities customary for industrial lubricants (ISO VG 2 to ISO VG 1500), an ionic liquid or a mixture of several ionic liquids, a thickening agent for example, based on a polyurea compound and conventional additives, which can be used both at service temperatures of more than 120 ° C to 260 ° C and at low temperatures to -60 ° C.
- the base oil mixture may be synthetic oil, a mineral oil and / or a native oil. These oils may be used singly or in combination depending on the use.
- the synthetic oils are selected from an ester of an aliphatic or aromatic di-, tri- or tetracarboxylic acid with one or mixed C 7 - to C 22 -alcohols, from a polyphenyl ether or alkylated diphenyl ether, from an ester of trimethylolpropane, pentaerythritol or dipentaerythritol with aliphatic C 7 to C 22 - carboxylic acids, from C 18 -Dimerklaestern with C 7 - to C 22 alcohols, from complex esters, as individual components or in any mixture.
- the synthetic oil may be selected from poly- ⁇ -olefins, alkylated naphthalenes, alkylated benzenes, polyglycols, silicone oils, perfluoropolyethers.
- the mineral oils can be selected from paraffinic, naphthenic, aromatic hydrocracking oils; Gas to Liqud (GTL) fluids.
- GTL means gas-to-liquid process and describes a process for the production of fuel from natural gas. Natural gas is converted by steam reforming to synthesis gas, which is then converted by Fischer-Tropsch synthesis into fuels by means of catalysts. The catalysts and process condition control the fuel type, so whether gasoline, kerosene, diesel or oils are produced.
- coal can be used as a raw material according to the Coal-to-Liquid process (CTL) and biomass as a raw material in the Biomass-to-Liquid (BTL) process.
- CTL Coal-to-Liquid
- BTL Biomass-to-Liquid
- animal / plant source triglycerides may be used which have been refined by known methods such as hydrogenation.
- the most preferred triglyceride oils are genetically modified high oleic acid triglyceride oils.
- Typical and genetically modified high oleic vegetable oils used herein are safflower oil, corn oil, rapeseed oil, sunflower oil, soybean oil, linseed oil, peanut oil, Lesquerella oil, Meadowfoam oil, and palm oil.
- the appropriate desired properties of the lubricant composition are achieved by suitable choice of cations and anions, such as increasing the service life and lubricating effect of the lubricant, adjusting the viscosity to improve temperature suitability, adjusting the electrical conductivity for broadening of the field of application.
- the thickener is either a reaction product of a diisocyanate, preferably 2,4-diisocyanatotoluene, 2,6-diisocyanatotoluene, 4,4'-diisocyanatodiphenylmethane, 2,4'-dissiocyantodiphenylmethane, 4,4'-diisocyanatodiphenyl, 4,4'-diisocyanato-3 , 3'-dimethyldiphenyl, 4,4'-diisocyanato-3,3'-dimethylphenylmethane, which may be used singly or in combination with an amine of general formula R ' 2 NR, or a diamine of general formula R' 2 NRN R ' 2 , wherein R is an aryl, alkyl or alkylene radical having 2 to 22 carbon atoms and R' is identical or different hydrogen, an alkyl, alkylene or aryl radical, or with mixtures of
- the grease compositions according to the invention contain conventional additives against corrosion, oxidation and protection against metal influences present as chelate compounds, radical scavengers, UV stabilizers, reaction layer formers, and inorganic or organic solid lubricants such as polyimides, polytetrafluoroethylene (PTFE), graphite, metal oxides , Boron nitride, molybdenum disulfide and phosphate.
- additives in the form of phosphorus and sulfur compounds e.g.
- Zinkdialkyldithiophosphat used as antiwear / extreme compressors, aromatic amino, phenols, sulfur compounds used as antioxidants, metal salts, esters, nitrogen-containing compounds, heterocyclic compounds used as corrosion inhibitors, glycerol mono- or di-ester as friction inhibitors and polyisobutylene, polymethacrylate as a viscosity improver used.
- the grease compositions of the invention contain from 5 to 95% by weight of base oil blend, from 1 to 30% by weight of ionic liquid, from 3 to 50% by weight of thickener, from 0.1 to 10% by weight of additives.
- the viscosity of the base oil is in the range of 1.98 to 1650 mm 2 / s and that of the ionic liquid in the range of 1.98 to 1650 mm 2 / s.
- the grease compositions drip points according to DIN ISO 2176 of> 180 ° C and are according to DIN 51825 for service temperatures up to -60 ° C suitable.
- the grease compositions are suitable for applications for upper service temperatures of more than 120 ° C up to 260 ° C and for low service temperatures of -60 ° C according to DIN 51285. They can also be used at upper service temperatures of more than 180 ° C and for low service temperatures up to -60 ° C according to DIN 51825.
- a lubricant composition which has a longer service life by delaying the viscosity increase and thus delaying the laking / hardening of the lubricant as a result of the hardly existing evaporation of the ionic liquid.
- a lubricating grease composition can be obtained which is low in flammability, stable against oxidative and thermal influences, which can be used in a wide range in liquid form, which has a negligible vapor pressure and whose viscosity is appropriate can be adjusted.
- urea fats are often used in bearings where high temperatures prevail and long run times are reached, it is necessary to adjust the fats for such applications, as urea fats tend to harden at high temperatures. This may result in insufficient supply of oil to roller bearings or ball bearings with inner ring diameters of 100 mm or larger. Also, the described hardening can lead to lines for relubrication are impassable and thus no supply of fresh fat is possible or the hardened fat is no longer mixed with fresh fat. It is desired that urea grease with higher oil separation and less tendency to harden at high temperatures can be used. Such improved products can, for example, in rolling bearings in the Corrugated board industry, the woodworking industry and in wheel bearings of commercial vehicles application.
- a lubricating grease composition containing the urea as a thickening agent and for lubricating roller bearings or ball bearings having inner rings of at least 100 mm in diameter while avoiding the drawbacks of the known urea-based lubricating grease compositions.
- Such lubricating grease compositions can be used for relubrication of roller bearings or ball bearings with inner rings with diameters of at least 100 mm.
- Lubricating grease compositions according to claim 1 consisting of 79% by weight of poly- ⁇ -olefin as base oil, 17% by weight of lithium as a thickener, 4% by weight of additives and 1 to 30% by weight of butylmethylpyrrolidinium bis (trifluoromethylsulfonyl) imide as ionic liquid ,
- a grease composition consisting of 73.5% by weight of polyalphaolefin, 4.5% by weight of urea thickener and 15% by weight of lithium complex soap thickener, 3% by weight of additives and 4% by weight of solid lubricants, into which additionally 1 to 5% by weight % Ionic liquids are incorporated, wherein the ionic liquid is selected from trihexyl (tetradecyl) phosphonium bis (trifluoromethylsulfonyl) imide or N-ethyl-3-methylpyridinium nonafluorobutanesulfonate.
- grease compositions consisting of 85% by weight of ester mixture, 7.5% by weight of urea thickener, 5% by weight of additive mixture and 2.5 to 10% by weight of 1-ethyl-3-methylimidazolium bis (trifluoromethylsulfonyl) imide advantageous in the application according to the present invention.
- grease compositions consisting of 84% by weight of synthetic esters, 14% by weight of urea thickener, 2% by weight of additives and 1 to 3% by weight of 1-ethyl-3-methylimidazolium ethylsulfate can be used according to the invention.
- a grease composition which may consist of 76% by weight of a mixture of synthetic esters and poly- ⁇ -olefins, 15% by weight of urea thickener, 9% by weight of additives and additionally 1 to 10% by weight of butylmethylpyrrolidinium bis (trifluoromethylsulfonyl) imide Application come.
- the lubricant compositions of the invention are obtained either by mixing the di- and / or polyurea-thickened base oil with the ionic liquid and then homogenizing via a high-pressure homogenizer and / or three-roll mill, or by mixing the base oil with the ionic liquid and mixing this mixture is thickened in situ by synthesis of the polyurea or diurea compound and then homogenized by means of a high-pressure homogenizer and / or three-roll mill.
- the percentages are% by weight. By adding the ionic liquid, the percentage of the remaining base oil, unless otherwise stated, correspondingly reduced.
- a grease composition 77% by weight of a mixture of trimellitic / pyromellitic acid ester as base oil, 10% by weight of MPBimide as ionic liquid, 8% by weight of polyurea or diurea as thickener, and 5% by weight of anticorrosion agent, antioxidant and Wear protection agents mixed as additives.
- the ionic liquids are mixed into base oil and homogenized by means of high-pressure homogenizers, three-roll mill or other suitable methods.
- a grease composition consisting of 79% by weight of a mixture of poly- ⁇ -olefins as a base oil, 17% by weight of a lithium soap as thickening agent, 4% by weight of additives additionally 10 or 30% by weight of MPBimid Ionian Liquid added.
- the ionic liquid is cold after the in situ production of the lithium soap grease added to the base oil, stirred and rolled homogeneously.
- Table 2 shows the significant reduction in oil separation by the addition of the ionic liquid while preserving the other parameters tested.
- the separated oil (FTMS standard) was identified as base oil, i. it does not separate any ionic liquid.
- a standard grease containing 10% MBPimide added to a rolling bearing grease consisting of a synthetic hydrocarbon, a synthetic ester, an aromatic diisocyanate, aliphatic monoamines is prepared in a ROF rolling bearing grease testing machine.
- This test determines the life of the grease composition under study and determines the upper service temperatures of greases in rolling bearings at high speeds and, by default, low axial and radial loads.
- the test bearing used was a 6204-2Z-C3 / VM104 deep groove ball bearing subjected to a load of 100 N in the axial load and 200 N in the radial load, a speed of 180001 / min, a temperature of 160 ° C, and a capacity of 1.5 cm 3 was loaded. It was found that the grease composition without IL had an L 50 value of 186 hours and the grease composition had an L 50 value of 717 hours. This shows the significant improvement in the life of an ionic liquid grease composition.
- the VKA welding force is determined according to DIN 51350.
- a rolling bearing grease consisting of synthetic ester, perfluoropolyether (PFPE), aromatic diisocyanate and a mixture of aliphatic and aromatic amines was used.
- PFPE perfluoropolyether
- aromatic diisocyanate a mixture of aliphatic and aromatic amines was used.
- the following grease compositions were then subjected to the VKA Welding Test.
- the greases were also subjected to a FE 9 rolling bearing grease test, which determines the service life of the greases tested and determines the upper service temperature of greases in rolling bearings at medium speeds and medium axial loads.
- the bearing used was a FAG special bearing 529689 H 109 (equivalent to a 7206 B angular contact ball bearing with steel cage), with a JP2 cage at a speed of 6000 1 / min, an axial load of 1500 N at a temperature of 200 ° C and a capacity of 2 cm 3 used.
- the greases tested and the results of the L10 and L50 values are shown in Table 6.
- the table shows that by the addition of ionic liquids, the fats have longer run times, as can be seen from the comparison with the values determined for fat 1 with perfluoropolyether without ionic liquids.
- the VKA welding force is determined according to DIN 51350.
- a rolling bearing grease consisting of synthetic ester, aromatic diisocyanate and aliphatic amines was used as the standard composition.
- the following grease compositions were then subjected to the VKA Welding Test.
- Table 7 shows that the welding force is improved, better VKA values are obtained with use of IL in the grease.
- Table 8 ⁇ / b> grease Bequiet + MCA Gutkraft / Sch performancekraft / Kalotten thoroughly messr Fat 1 GN4 ⁇ 1200 N Fat 3 GN4 3800 N / 4000 N / 3.5 mm
- the apparent dynamic viscosity is at 300s -1 ; 25 ° C measured.
- This example examines the improvement of wheel bearing fats when adding ionic liquids.
- wheel bearing greases for trucks are subject to high demands both thermally and in terms of the load.
- a particularly high thermal load is created when the vehicles have to be braked constantly during downhill, for example, mountain passes.
- FE 8 rolling bearing tests are performed, which are characterized by a periodic temperature change.
- the fat added with 5% HDPimide showed higher oil separation.
- the apparent viscosity can be measured; the standard fat appears to be dryer in appearance than the fat with IL.
- the pattern with IL has a viscosity drop and is softer than the pattern without IL, which gets harder.
- the patterns with IL have increased oil deposits.
- the amount of oil separation can be adjusted by the type and amount of the ionic liquid used.
- Table 13 ⁇ / b> Viscosity measurements, load at 160 ° C; Values are given in mPas: fresh 1 week 2 weeks 3 weeks Fat 1 9956 7379 8561 14920 Fat 3 9468 6974 4532 7276 Fat 4 9477 6283 5768 6991 Fat 5 9424 6784 4294 6240 Fat 6 10206 6852 5304 7109 Fat 7 9784 6832 6588 7566 Fat 8 9637 6601 6734 7639
- the example shows that the performance of a wheel bearing grease for trucks can be significantly increased by ionic liquids.
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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)
- Rolling Contact Bearings (AREA)
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| PL08758645T PL2164935T3 (pl) | 2007-06-20 | 2008-05-20 | Kompozycja smaru |
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| Application Number | Priority Date | Filing Date | Title |
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| DE102007028425 | 2007-06-20 | ||
| PCT/EP2008/004035 WO2008154997A1 (de) | 2007-06-20 | 2008-05-20 | Schmierfettzusammensetzung |
| DE102008024284A DE102008024284A1 (de) | 2007-06-20 | 2008-05-20 | Schmierfettzusammensetzung |
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| US (1) | US8258088B2 (ko) |
| EP (1) | EP2164935B1 (ko) |
| JP (1) | JP5496087B2 (ko) |
| KR (2) | KR101216353B1 (ko) |
| CN (1) | CN101679899B (ko) |
| BR (1) | BRPI0811885B1 (ko) |
| CA (1) | CA2687149C (ko) |
| DE (1) | DE102008024284A1 (ko) |
| ES (1) | ES2563407T3 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4239039A1 (de) | 2022-07-21 | 2023-09-06 | Klüber Lubrication München SE & Co. KG | Schmierstoffzusammensetzung enthaltend eine ionische flüssigkeit |
| EP4310163A1 (de) | 2022-07-21 | 2024-01-24 | Klüber Lubrication München SE & Co. KG | Schmierfettzusammensetzung enthaltend eine ionische flüssigkeit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4239039A1 (de) | 2022-07-21 | 2023-09-06 | Klüber Lubrication München SE & Co. KG | Schmierstoffzusammensetzung enthaltend eine ionische flüssigkeit |
| EP4310163A1 (de) | 2022-07-21 | 2024-01-24 | Klüber Lubrication München SE & Co. KG | Schmierfettzusammensetzung enthaltend eine ionische flüssigkeit |
| WO2024017518A1 (de) | 2022-07-21 | 2024-01-25 | Klueber Lubrication Muenchen Se & Co. Kg | Schmierfettzusammensetzung enthaltend eine ionische flüssigkeit |
| WO2024017517A1 (de) | 2022-07-21 | 2024-01-25 | Klueber Lubrication Muenchen Se & Co. Kg | Schmierstoffzusammensetzung enthaltend eine ionische flüssigkeit |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5496087B2 (ja) | 2014-05-21 |
| KR20120049385A (ko) | 2012-05-16 |
| CA2687149C (en) | 2016-01-12 |
| EP2164935A1 (de) | 2010-03-24 |
| CN101679899B (zh) | 2013-06-12 |
| CN101679899A (zh) | 2010-03-24 |
| US8258088B2 (en) | 2012-09-04 |
| MX2009013879A (es) | 2010-01-27 |
| CA2687149A1 (en) | 2008-12-24 |
| ES2563407T3 (es) | 2016-03-15 |
| DE102008024284A1 (de) | 2009-01-22 |
| US20100105586A1 (en) | 2010-04-29 |
| BRPI0811885A2 (pt) | 2014-11-18 |
| WO2008154997A1 (de) | 2008-12-24 |
| JP2010530446A (ja) | 2010-09-09 |
| PL2164935T3 (pl) | 2016-06-30 |
| KR101216353B1 (ko) | 2012-12-28 |
| RU2010101286A (ru) | 2011-07-27 |
| KR20090130247A (ko) | 2009-12-21 |
| BRPI0811885B1 (pt) | 2017-01-17 |
| RU2480516C2 (ru) | 2013-04-27 |
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