EP3781656A1 - Composition lubrifiante pour moteurs industriels a potentiel fe amplifie - Google Patents
Composition lubrifiante pour moteurs industriels a potentiel fe amplifieInfo
- Publication number
- EP3781656A1 EP3781656A1 EP19718380.9A EP19718380A EP3781656A1 EP 3781656 A1 EP3781656 A1 EP 3781656A1 EP 19718380 A EP19718380 A EP 19718380A EP 3781656 A1 EP3781656 A1 EP 3781656A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- viscosity
- copolymer
- composition
- use according
- additives
- 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.)
- Pending
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 234
- 239000000314 lubricant Substances 0.000 title claims abstract description 85
- 229920000642 polymer Polymers 0.000 claims abstract description 67
- 229920001577 copolymer Polymers 0.000 claims abstract description 60
- 238000010008 shearing Methods 0.000 claims abstract description 15
- 238000005461 lubrication Methods 0.000 claims abstract description 13
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 13
- 150000001993 dienes Chemical class 0.000 claims abstract description 12
- 230000001050 lubricating effect Effects 0.000 claims description 96
- 239000000654 additive Substances 0.000 claims description 45
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 41
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 35
- -1 hydrogenated aromatic diene Chemical class 0.000 claims description 30
- 239000002199 base oil Substances 0.000 claims description 25
- 230000007423 decrease Effects 0.000 claims description 25
- 239000000446 fuel Substances 0.000 claims description 19
- 150000003440 styrenes Chemical class 0.000 claims description 18
- 239000003963 antioxidant agent Substances 0.000 claims description 16
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 15
- 125000004432 carbon atom Chemical group C* 0.000 claims description 14
- 239000003599 detergent Substances 0.000 claims description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 7
- 239000001301 oxygen Substances 0.000 claims description 7
- 229920006163 vinyl copolymer Polymers 0.000 claims description 7
- 239000007866 anti-wear additive Substances 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 5
- 239000002270 dispersing agent Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 239000005069 Extreme pressure additive Substances 0.000 claims description 4
- 229920001400 block copolymer Polymers 0.000 claims description 4
- 239000002518 antifoaming agent Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 2
- 239000002562 thickening agent Substances 0.000 claims description 2
- 239000011149 active material Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 description 52
- 239000003921 oil Substances 0.000 description 15
- 230000000996 additive effect Effects 0.000 description 12
- 230000006399 behavior Effects 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 238000013112 stability test Methods 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
- 229920000193 polymethacrylate Polymers 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 5
- 239000010705 motor oil Substances 0.000 description 5
- 210000000056 organ Anatomy 0.000 description 5
- 230000035882 stress Effects 0.000 description 5
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 4
- ROGIWVXWXZRRMZ-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical class CC(=C)C=C.C=CC1=CC=CC=C1 ROGIWVXWXZRRMZ-UHFFFAOYSA-N 0.000 description 4
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 125000003118 aryl group Chemical group 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000011733 molybdenum Substances 0.000 description 4
- 150000002989 phenols Chemical class 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- BTHAQRDGBHUQMR-UHFFFAOYSA-N [S]P(=O)=O Chemical compound [S]P(=O)=O BTHAQRDGBHUQMR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 229910052500 inorganic mineral Inorganic materials 0.000 description 3
- 239000011707 mineral Substances 0.000 description 3
- 239000000178 monomer Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920000058 polyacrylate Polymers 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- CJSBUWDGPXGFGA-UHFFFAOYSA-N 4-methylpenta-1,3-diene Chemical compound CC(C)=CC=C CJSBUWDGPXGFGA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 235000019892 Stellar Nutrition 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 150000002118 epoxides Chemical class 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- PDEDQSAFHNADLV-UHFFFAOYSA-M potassium;disodium;dinitrate;nitrite Chemical compound [Na+].[Na+].[K+].[O-]N=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PDEDQSAFHNADLV-UHFFFAOYSA-M 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000004034 viscosity adjusting agent Substances 0.000 description 2
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 1
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 description 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1 -dodecene Natural products CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- IGGDKDTUCAWDAN-UHFFFAOYSA-N 1-vinylnaphthalene Chemical compound C1=CC=C2C(C=C)=CC=CC2=C1 IGGDKDTUCAWDAN-UHFFFAOYSA-N 0.000 description 1
- QTTAWIGVQMSWMV-UHFFFAOYSA-N 3,4-dimethylhexa-1,3-diene Chemical compound CCC(C)=C(C)C=C QTTAWIGVQMSWMV-UHFFFAOYSA-N 0.000 description 1
- OCTVDLUSQOJZEK-UHFFFAOYSA-N 4,5-diethylocta-1,3-diene Chemical compound CCCC(CC)C(CC)=CC=C OCTVDLUSQOJZEK-UHFFFAOYSA-N 0.000 description 1
- RREANTFLPGEWEN-MBLPBCRHSA-N 7-[4-[[(3z)-3-[4-amino-5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidin-2-yl]imino-5-fluoro-2-oxoindol-1-yl]methyl]piperazin-1-yl]-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(\N=C/3C4=CC(F)=CC=C4N(CN4CCN(CC4)C=4C(=CC=5C(=O)C(C(O)=O)=CN(C=5C=4)C4CC4)F)C\3=O)=NC=2)N)=C1 RREANTFLPGEWEN-MBLPBCRHSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-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
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XYRMLECORMNZEY-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S Chemical class [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S XYRMLECORMNZEY-UHFFFAOYSA-B 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000004450 alkenylene group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 150000001449 anionic compounds Chemical class 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- IMJGQTCMUZMLRZ-UHFFFAOYSA-N buta-1,3-dien-2-ylbenzene Chemical compound C=CC(=C)C1=CC=CC=C1 IMJGQTCMUZMLRZ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 150000002314 glycerols Chemical class 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- KHYKFSXXGRUKRE-UHFFFAOYSA-J molybdenum(4+) tetracarbamodithioate Chemical class C(N)([S-])=S.[Mo+4].C(N)([S-])=S.C(N)([S-])=S.C(N)([S-])=S KHYKFSXXGRUKRE-UHFFFAOYSA-J 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 125000005609 naphthenate group Chemical class 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 229920006112 polar polymer Polymers 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 1
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 238000005292 vacuum distillation Methods 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
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
- C10M143/12—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing conjugated diene
-
- 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
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
- C10M143/10—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aromatic monomer, e.g. styrene
-
- 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
- C10M171/02—Specified values of viscosity or viscosity index
-
- 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
-
- 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
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/04—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing aromatic monomers, e.g. styrene
-
- 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
- C10M2205/06—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing conjugated dienes
-
- 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
- C10N2020/019—Shear stability
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/04—Molecular weight; Molecular weight distribution
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/065—Saturated Compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/069—Linear chain compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/073—Star shaped polymers
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- 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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- 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
- C10N2030/54—Fuel economy
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/56—Boundary lubrication or thin film lubrication
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/68—Shear stability
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/72—Extended drain
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/252—Diesel engines
Definitions
- the present invention relates to the field of multifunctional lubricants used in the various bodies of self-propelled vehicles, in particular in the engine of a vehicle, the transmission or the hydraulic circuit. More specifically, the invention relates to the field of lubricants for industrial vehicles, such as public works machinery, typically equipped with industrial diesel engines.
- the present invention aims in particular to provide the use of specific viscosity index improvers polymers for the development of lubricating compositions demonstrating a "potential FE" ("Fuel Economy” in English terminology) amplified during time or CIFE ("Continuously Increasing Fuel Economy” in English terminology), as explained below.
- Lubricating compositions also called “lubricants” are commonly used in engines for the main purpose of reducing the friction forces between the various moving metal parts in the engines, the transmission and the hydraulic circuit. They are also effective to prevent premature wear or damage to these parts, especially their surface.
- a lubricant composition is conventionally composed of a base oil to which are generally associated several additives dedicated to boosting the lubricating performance of the base oil, such as viscosity index improving polymers and modifying additives. friction.
- a single lubricating composition is used directly in several types of application, in particular in the various components of self-propelled vehicles such as engines, transmission devices (gearboxes and transfer gearboxes), hydraulic circuits and other secondary organs without modification; in other words, the composition of this fluid is directly adapted for the different types of uses in question.
- a multifunctional lubricant composition must immediately meet particular viscosity constraints related to the fact that the operations of the different organs generate particular viscosities of said lubricant composition over time of reuse. In other words, these constraints make it necessary to aim for compromises in terms of viscosity and corollary in the choice of polymers impacting the viscosity index.
- Lubricating compositions known as "Fuel-Eco” (FE) (for "fuel economy” in English terminology), are known that use polymers with a high index of viscosity (IV or “VI” in English terminology) and little Shearable, especially developed for the lubrication of industrial equipment, for example used in Public Works or Mines and Quarries. These compositions make it possible to obtain a gain in fuel consumption.
- FE Fluel-Eco
- IV or VI index of viscosity
- the lubricants of the prior art typically see their viscosity increase, which has a negative impact on the FE character of the lubricants.
- GB 1575449 discloses a copolymer of conjugated diene and aromatic vinyl which can be used as a viscosity index improver, in particular because it improves the oxidation stability of lubricating compositions.
- WO2013 / 066915 discloses a lubricating oil composition comprising a lubricating viscosity base oil, a low shear stability index viscosity modifier, and a high shear stability index viscosity modifier.
- Such lubricating compositions may thus be described as lubricating compositions having continuously increasing FE properties or CIFE ("Continuously Increasing Fuel Economy" in English terminology).
- FE properties are also referred to as FE potential or fuel economy potential.
- the invention aims at the use of at least one viscosity index improving polymer chosen from hydrogenated aromatic diene and vinyl vinyl copolymers in a lubricant composition to improve the fuel economy potential of the a lubricant composition as it is used during the lubrication of the various components of an industrial vehicle, in particular an industrial vehicle with a diesel engine, such as the engine, the gearbox and the hydraulic circuit.
- the aim of the invention is precisely to propose the use of at least one viscosity index improving polymer chosen from hydrogenated aromatic diene and vinyl vinyl copolymers with a view to preparing a lubricating composition intended to lubricate the various components of a vehicle.
- industrial including an industrial vehicle diesel engine, such as the engine, the gearbox and the hydraulic circuit, characterized in that the measured viscosity of said lubricant composition decreases as and when its use to lubricate said vehicle .
- the invention also aims to propose the use of at least one viscosity index improving polymer chosen from hydrogenated aromatic diene and vinyl vinyl copolymers in a lubricating composition for reducing the viscosity of said lubricant composition as and when the use of said lubricating composition during the lubrication of the various components of an industrial vehicle, in particular of an industrial vehicle with a diesel engine, such as the engine, the gearbox and the hydraulic circuit, the said lubricant composition being subjected to less thermal shear during its use.
- the lubricating composition thus obtained can be used to lubricate the various components of an industrial vehicle and in particular the engine of an industrial vehicle, in particular an industrial vehicle with a diesel engine, such as the machines used in public works or in mining and quarrying.
- Said lubricant composition therefore has a viscosity profile adapted to the conditions of use required in each target member, namely the engine, the gearbox and the hydraulic circuit.
- An industrial vehicle within the meaning of the present invention is to be distinguished from a motor vehicle.
- the conditions of use impose mechanical stresses, such as mechanical shear as well as thermal shears in the long term.
- thermal shear is understood to mean thermal stresses or thermal shear stresses.
- This thermal shear typically occurs on exposure to at least 70 ° C, in particular at least 90 ° C, more particularly at least 100 ° C, even more particularly from 70 to 300 ° C, for example from 90 to 250 ° C. ° C, or for example from 100 to 200 ° C.
- the inventors have discovered that the polymer defined in the present invention in a lubricating composition makes it possible to reduce the viscosity of said lubricating composition during its use, even when the lubricating composition undergoes at least thermal shear during its use, and more particularly thermal shear and mechanical shear.
- the lubrication in the use condition comprising at least the thermal shear lasts at least 24 hours, for example at least 30 hours, or even at least 40 hours, 80 hours or 120 hours.
- the polymer is used in order to reduce the viscosity of the lubricant composition at the end of the dynamic road cycle, in particular over a period of at least 80 hours, in particular at least 180 hours, and even more particularly at least 250 hours, such as for example that described for step 2 of the motor test of Example 3 of the experimental part.
- the inventors have discovered that the lubricant composition according to the invention obtained, after prolonged use in an industrial vehicle, has a viscosity lower than that of a fresh lubricating composition, and this in usual conditions of use.
- Such conditions of customary use are for example understood as being conducive to shear stresses, and more particularly without the provision of external oxygen, that is to say other than the oxygen of the ambient air.
- the intended use in the present invention is to distinguish from a use to improve the oxidation stability.
- the present invention aims at providing the use of at least one viscosity index improving polymer chosen from hydrogenated aromatic diene and vinyl vinyl copolymers in a lubricating composition for reducing the viscosity of said lubricant composition as and when as the lubricating composition is used during the lubrication of the various components of an industrial vehicle, in particular an industrial vehicle with a diesel engine, such as the engine, the gearbox and the hydraulic circuit, the said lubricant composition undergoing at least thermal shear during its use, without external oxygen supply.
- a diesel engine such as the engine, the gearbox and the hydraulic circuit
- compositions obtained with the use of the viscosity improving copolymers according to the present invention have in particular demonstrated that the compositions obtained with the use of the viscosity improving copolymers according to the present invention.
- the hydrogenated aromatic diene and vinyl aromatic copolymers are the only viscosity index improving polymers having this characteristic of progressively decreasing the viscosity of said composition. lubricant during use in an industrial vehicle diesel engine and thus obtain lubricating compositions to make the CIFE.
- the present invention also relates to the use of a composition comprising at least one base oil and at least one viscosity index improving polymer chosen from hydrogenated aromatic diene and vinyl vinyl copolymers for lubricating the various components of a vehicle.
- a composition comprising at least one base oil and at least one viscosity index improving polymer chosen from hydrogenated aromatic diene and vinyl vinyl copolymers for lubricating the various components of a vehicle.
- industrial and in particular of an industrial vehicle with a diesel engine, such as the engine, the gearbox and the hydraulic circuit, in particular the engine of an industrial vehicle, in particular of an industrial motor vehicle characterized in that the measured viscosity of said lubricating composition decreases as it is used to lubricate said vehicle.
- the polymer is used in order to reduce the viscosity of the lubricating composition by at least 4%, preferably by at least 8%, more preferably by at least 10%, preferably at least 12% after conditioning the lubricating composition at 150 ° C for 504 hours.
- the polymer is used in order to reduce the viscosity of the lubricating composition by at least 5%, preferably by at least 10%, more preferably by at least 12%, preferentially at least 15% at the end of the dynamic road cycle, such as for example that described for step 2 of the motor test of Example 3 of the experimental part.
- the invention also relates to a method of lubricating the various components of an industrial vehicle, and in particular of an industrial vehicle with a diesel engine, such as the engine, the gearbox and the hydraulic circuit, in particular the engine of a industrial vehicle, in particular a diesel industrial vehicle, comprising contacting said members with a lubricating composition comprising at least one base oil and at least one viscosity index improving polymer chosen from diene and carbon copolymers.
- hydrogenated aromatic vinyl characterized in that the measured viscosity of said lubricating composition decreases as and when lubrication of said members, said lubricating composition undergoing at least one thermal shear during lubrication, more particularly undergoing at least one thermal shear and at least one mechanical shear, in particular without of oxygen outside.
- the lubrication during the process comprising at least the thermal shear lasts at least 24 hours, for example at least 30 hours, or even at least 40 hours, 80 hours or 120 hours.
- the polymer makes it possible to reduce the viscosity of the lubricant composition at the end of the dynamic road cycle, especially over a period of at least 80 hours, in particular from 'at least 180 hours, and even more particularly at least 250 hours, such as for example that described for step 2 of the motor test of Example 3 of the experimental part.
- FIG. 1 illustrates the behavior of the viscosity of compositions compliant and not in accordance with the invention at 100 ° C. after 90-cycle Bosch tests (example 2).
- Figures 2 and 3 illustrate the CIFE behavior of the compositions according to the invention during the endurance test performed on diesel industrial engine and refer to Example 3 (viscosity measurement curves).
- the lubricating compositions in question are of classification grade SAEJ300, defined by the formula (X) W (Y), in which X represents 5, 10 or 15 and Y represents 30 or 40.
- This SAEJ300 classification defines the viscosity grades of new engine oils, in particular by measuring their kinematic viscosities at 100 ° C.
- the grade qualifies a selection of lubricant compositions specifically intended for an industrial vehicle application and which satisfy, in particular, quantified specificities with respect to various parameters such as the multifunctionality with respect to the various members, the cold viscosity at start-up. , cold pumpability, low shear kinematic viscosity and high shear rate dynamic viscosity.
- Engine oil is grade 30 according to SAE J 300 if its kinematic viscosity at 100 ° C is between 9.3 and 12.5 cSt.
- a motor oil is grade 40 according to SAE J 300 if its kinematic viscosity at 100 ° C is between 12.5 and 16.3 cSt.
- the ACEA standards define in detail a certain number of additional specifications for engine oils, and in particular require the maintenance of a certain level of viscosity for the oils in operation subjected to shear in the engine.
- the kinematic viscosity of the 30 and 40 grade motor oils measured at 100 ° C., after the Bosch-90 cycle test, must be greater than 9.3 and 12.5 cSt, respectively.
- These lubricating compositions in accordance with the present invention have a kinematic viscosity at 100 ° C of greater than 9.3 cSt, preferably in the range of 9.3 to 12.5 cSt after the Bosch-90 cycle test according to the CEC standard. L-14-A-93 for an oil starting from grade 30.
- lubricant compositions according to the present invention have a kinematic viscosity at 100 ° C of greater than 13.0 cSt, preferably in the range of 13.0 to 15.0 cSt after the Bosch-90 cycle test according to the CEC-standard. L-14-A-93 for an oil from grade 40.
- the CEC-L-14-A-93 (or ASTM D6278) standard defines tests representative of the shear conditions in the engine, referred to as the Bosch-90 cycle test.
- Bosch-90 cycles refer to this standard.
- the Applicant has defined the shear conditions representative of the engine.
- the diene may be a conjugated diene comprising from 4 to 20 carbon atoms, preferably from 2 to 12 carbon atoms.
- the diene may be a conjugated diene comprising from 2 to 20 carbon atoms, preferably from 4 to 12 carbon atoms.
- the diene may be chosen from butadiene, isoprene, piperylene, 4-methylpenta-1,3-diene, 2-phenyl-1,3-butadiene, 3,4-dimethyl-1, 3-hexadiene and 4,5-diethyl-1,3-octadiene.
- the diene may be an isoprene or a butadiene.
- the aromatic vinyl may comprise from 8 to 16 carbon atoms.
- the aromatic vinyl may be selected from styrene, alkoxy styrene, vinyl naphthalene and alkyl vinyl naphthalene.
- the alkoxy and alkyl groups comprise from 1 to 6 carbon atoms.
- the aromatic vinyl is styrene.
- the polymer according to the invention may be chosen from a copolymer of isoprene and hydrogenated styrene (PISH), a copolymer of isoprene, butadiene and hydrogenated styrene, a copolymer of butadiene and hydrogenated styrene (SBH) and one of their mixtures.
- PISH isoprene and hydrogenated styrene
- SBH hydrogenated styrene
- the polymer according to the invention may be chosen from a copolymer of isoprene and hydrogenated styrene (PISH), a copolymer of butadiene and hydrogenated styrene (SBH) and a mixture thereof.
- PISH isoprene and hydrogenated styrene
- SBH hydrogenated styrene
- the copolymer used in the present invention is not a copolymer of isoprene, butadiene and styrene. Still according to this preferred embodiment, the copolymer used in the present invention is not a terpolymer.
- copolymers of isoprene and hydrogenated styrene and the copolymers of hydrogenated isoprene, butadiene and styrene in the meaning of the invention are described in patent application EP 2 363 454 and the structures and definitions of these polymers. as described in EP 2 363 454 are incorporated in the description of the present application.
- the hydrogenated styrene-diene copolymer can be a block copolymer or a starred copolymer.
- the polymers according to the present invention may have a number average molecular weight of about 10,000 to 700,000, preferably about 30,000 to 500,000.
- number average molecular weight refers to the number average weight measured by gel permeation chromatography ("GPC") with a polymer standard after hydrogenation.
- the PISH and SBH copolymers do not comprise monomer additional to the monomers respectively of isoprene and hydrogenated styrene and of butadiene and hydrogenated styrene.
- the polymer is a copolymer of isoprene and hydrogenated styrene (PISH).
- R 1, R 2, R 3 and R 4 isoprene / styrene / isoprene (hydrogenated) copolymers, 1, m, n and o are independently of each other whole numbers greater than or equal to zero such that the number average molar mass the copolymer ranges from 10,000 to 700,000.
- copolymers of formula (II) are called star type (English star copolymers), obtained by reaction of block copolymers isoprene / styrene / isoprene with divinylbenzene followed by hydrogenation, according to techniques known to those skilled in the art.
- copolymer of isoprene and hydrogenated styrene (PISH) or of isoprene, butadiene and hydrogenated styrene copolymer those sold under the name SV154 linear, SV300 with a star ( pure or diluted in SV301 form), star SV260 (pure or diluted in SV 261 form) by Infinfeum and Lz 7306 by Lubrizol.
- the polymer is a copolymer of butadiene and hydrogenated styrene (SBH).
- SBH copolymers suitable for the present invention include copolymers having the following formula (G) or (IG):
- R1 ', R2', R3 'and R4' butadiene / styrene / butadiene (hydrogenated) copolymers
- 1, m, n and o are, independently of one another, integers greater than or equal to zero such that the mass
- the molar number average of the copolymer ranges from 10,000 to 700,000.
- These copolymers of formula (IG) are called star type (English star copolymers), obtained by reaction of butadiene / styrene / butadiene block copolymers with divinylbenzene followed by hydrogenation.
- SBH copolymer examples are those sold under the name Lz 7408 (pure or diluted in the Lz 7418A form) by the company Lubrizol or Hitec 6005 by the company Afton Chemicals.
- the isoprene-hydrogenated styrene copolymer (PISH) and the hydrogenated styrene-butadiene copolymer (SBH) is of the star type.
- the content of viscosity index improving polymer (s) in the lubricating composition according to the invention is from 0.1% to 10% by weight, relative to the total weight of the lubricating composition, preferably from 0.1% to 8%, more preferably 0.1% to 5%, still more preferably 0.1% to 2%.
- This amount refers to the amount of active polymer material.
- the polymer used in the context of the present invention may be in the form of a dispersion in a mineral or synthetic or pure oil.
- a composition used according to the invention may comprise from 1 to 25% by weight, preferably from 2 to 20% by weight, more preferably from 4 to 20% by weight of polymer (s) improving the index viscosity diluted in a base oil, relative to the total weight of the composition.
- the present invention also relates to the use of a composition comprising at least one base oil and a viscosity index improving polymer chosen from a copolymer of isoprene and hydrogenated styrene (PISH ) and a copolymer of butadiene and hydrogenated styrene (SBH), for lubricating the various components of an industrial vehicle, and in particular of a vehicle industrial diesel engine, such as the engine, the gearbox and the hydraulic circuit, in particular the engine of an industrial vehicle, especially a diesel industrial vehicle, characterized in that the measured viscosity of said lubricating composition decreases as and when it is used to lubricate said vehicle, said lubricant composition undergoing at least thermal shear during its use, more particularly undergoing at least one thermal shear and at least one mechanical shear, in particular without oxygen supply outside.
- a viscosity index improving polymer chosen from a copolymer of isoprene and hydrogenated styrene (PISH ) and
- copolymers defined above may be mixed with one or more base oils, in particular as defined below, to form a ready-to-use lubricant composition. Alternatively, they may be added alone, or in admixture with one or more other additives, as defined below, as additives to be added to a base oil mixture to improve the properties of the lubricating composition. .
- the use according to the present invention is characterized in that the lubricating composition comprises a base oil of groups I to V, more particularly II or III, and optionally a package of additives. and optionally a pour point improver.
- the base oils used in the formulation of lubricants according to the present invention are oils, of mineral origin, synthetic or natural, used alone or as a mixture, belonging to groups I to V according to the API classification (Table A), or their equivalents according to the ATIEL classification, or mixtures thereof, one of the characteristics of which is to be insensitive to shear, that is to say that their viscosity is not modified under shear.
- Mineral base oils include all types of bases obtained by atmospheric and vacuum distillation of crude oil, followed by refining operations such as solvent extraction, desalphating, solvent dewaxing, hydrotreating, hydrocracking, hydroisomerization and hydrofining.
- the synthetic base oils may be esters of carboxylic acids and alcohols or polyalphaolefins or polyalkylenes glycols.
- the polyalphaoleils used as base oils are, for example, obtained from monomers comprising from 4 to 32 carbon atoms, for example from decene, octene or dodecene, and whose viscosity at 100 ° C. is between 1.5 and 15 mm 2 . s 1 according to ASTM D445. Their average molecular weight is generally between 250 and 3000 according to ASTM D5296.
- the polyalkylene glycols are obtained by polymerization or copolymerization of alkylene oxides comprising from 2 to 8 carbon atoms, in particular from 2 to 4 carbon atoms.
- Mixtures of synthetic and mineral oils can also be used.
- lubricating bases there is generally no limitation on the use of different lubricating bases to make the lubricating compositions according to the invention, except that they must have properties, in particular viscosity, viscosity index, sulfur content. , resistance to oxidation, adapted to use for the various components of an industrial vehicle, such as the engine, the gearbox and the hydraulic circuit, in particular for industrial vehicle engines. Of course, they must also not affect the properties provided by the oil or with which they are combined.
- the lubricant composition according to the present invention implements a Group II base oil.
- lubricant compositions represent in the lubricant composition according to the invention at least 50% by weight, based on the total weight of the composition, in particular at least 60% by weight, and more particularly between 60 and 90% by weight.
- composition according to the present invention may further comprise additives, or "package of additives" according to the terminology conventionally used in the context of multifunctional lubricating compositions.
- the additive packages used in the lubricant formulations in accordance with the invention are conventional and also known to those skilled in the art and meet performance levels defined inter alia by the ACEA (Association of European Automobile Manufacturers) and or API (American Petroleum Institute).
- a lubricating composition according to the invention may thus comprise one or more additives chosen from friction modifying additives, antiwear additives, extreme pressure additives, detergent additives, antioxidant additives, viscosity index improvers (VI ) different from hydrogenated aromatic diene and vinyl aromatic copolymers, pour point depressant (PPD) additives, dispersants, defoamers, thickeners, and mixtures thereof.
- additives chosen from friction modifying additives, antiwear additives, extreme pressure additives, detergent additives, antioxidant additives, viscosity index improvers (VI ) different from hydrogenated aromatic diene and vinyl aromatic copolymers, pour point depressant (PPD) additives, dispersants, defoamers, thickeners, and mixtures thereof.
- the friction modifying additives may be chosen from compounds providing metal elements and compounds free of ash.
- transition metal complexes such as Mo, Sb. Sn, Fe, Cu, Zn whose ligands can be hydrocarbon compounds comprising oxygen, nitrogen, sulfur or phosphorus atoms.
- the ashless friction modifier additives are generally of organic origin and may be selected from monoesters of fatty acids and polyols, alkoxylated amines, alkoxylated fatty amines, fatty epoxides, borate fatty epoxides, amines oily fatty acid esters or glycerol esters.
- the fatty compounds comprise at least one hydrocarbon group comprising from 10 to 24 carbon atoms.
- a lubricant composition according to the invention comprises at least one friction-modifying additive, in particular based on molybdenum.
- the molybdenum-based compounds may be chosen from molybdenum dithiocarbamates (Mo-DTC), molybdenum dithiophosphates (Mo-DTP), and mixtures thereof.
- a lubricant composition according to the invention comprises at least one Mo-DTC compound and at least one Mo-DTP compound.
- a lubricating composition may in particular comprise a molybdenum content of between 1000 and 2500 ppm.
- such a composition allows for additional fuel savings.
- a lubricant composition according to the invention may comprise from 0.01 to 5% by weight, preferably from 0.01 to 5% by weight, more particularly from 0.1 to 2% by weight, or even more particularly from 0.1 to 1.5% by weight, based on the total weight of the lubricant composition, of friction modifying additives, advantageously including at least one molybdenum-based friction modifying additive.
- anti-wear additives and the extreme pressure additives are more particularly dedicated to protecting the friction surfaces by forming a protective film adsorbed on these surfaces.
- anti-wear additives There is a wide variety of anti-wear additives.
- the lubricant compositions according to the invention are particularly suitable for anti-wear additives chosen from polysulfide additives and olefin additives.
- sulfur or phospho-sulfur-containing additives such as metal alkylthiophosphates, in particular zinc alkylthiophosphates, and more specifically zinc dialkyldithiophosphates or ZnDTPs.
- the preferred compounds have the formula Zn ((SP (S) (OR) (OR ')) 2, in which R and R', which may be identical or different, independently represent an alkyl group, preferably containing from 1 to 18 carbon atoms.
- a lubricant composition according to the invention may comprise from 0.01 to 6% by weight, preferably from 0.05 to 4% by weight, more preferably from 0.1 to 2% by weight, relative to the weight total composition, anti-wear additives and extreme pressure additives.
- antioxidant additives they are essentially dedicated to delaying the degradation of the lubricating composition in service. This degradation can notably result in the formation of deposits, the presence of sludge or an increase in the viscosity of the lubricant composition. They act in particular as radical inhibitors or destroyers of hydroperoxides.
- antioxidant additives commonly used mention may be made of phenolic type antioxidants, amine antioxidant additives and phosphosulfur antioxidant additives. Some of these antioxidant additives, for example phosphosulfur antioxidant additives, can be ash generators. Phenolic antioxidant additives may be ash-free or may be in the form of neutral or basic metal salts.
- the antioxidant additives may especially be chosen from sterically hindered phenols, sterically hindered phenol esters and sterically hindered phenols comprising a thioether bridge, diphenylamines, diphenylamines substituted by at least one C 1 -C 12 alkyl group, and N, N'-dialkyl-aryl diamines and mixtures thereof
- the sterically hindered phenols are chosen from compounds comprising a phenol group in which at least one vicinal carbon of the carbon bearing the alcohol function is substituted by at least one C 1 -C 10 alkyl group, preferably a C 1 -C 4 alkyl group. , preferably a C 4 alkyl group, preferably by the ter-butyl group.
- Amino compounds are another class of antioxidant additives that can be used, optionally in combination with phenolic antioxidant additives.
- aromatic amines for example aromatic amines of formula NR 5 R 6 R 7 in which R 5 represents an optionally substituted aliphatic or aromatic group, R 6 represents an optionally substituted aromatic group, R 7 represents a hydrogen atom, an alkyl group, an aryl group or a group of formula R 8 S (O) z R 9 in which R 8 represents an alkylene group or an alkenylene group, R 9 represents an alkyl group, a group alkenyl or an aryl group and z represents 0, 1 or 2.
- Sulfurized alkyl phenols or their alkali and alkaline earth metal salts can also be used as antioxidant additives.
- the lubricant composition according to the invention may contain all types of antioxidant additives known to those skilled in the art.
- the lubricating composition comprises at least one ash-free antioxidant additive.
- a lubricating composition according to the invention may comprise from 0.1 to 2% by weight, relative to the total weight of the composition, of at least one antioxidant additive.
- detergent additives they generally make it possible to reduce the formation of deposits on the surface of the metal parts by dissolving the secondary products of oxidation and combustion.
- the detergent additives that can be used in a lubricant composition according to the invention are generally known to those skilled in the art.
- the detergent additives may be anionic compounds comprising a long lipophilic hydrocarbon chain and a hydrophilic head.
- the associated cation may be a metal cation of an alkali metal or alkaline earth metal.
- the detergent additives are preferably chosen from alkali metal or alkaline-earth metal salts of carboxylic acids, sulphonates, salicylates, naphthenates, as well as salts of phenates.
- the alkaline and alkaline-earth metals are preferably calcium, magnesium, sodium or barium. These metal salts generally comprise the metal in stoichiometric amount or in excess, therefore in an amount greater than the stoichiometric amount.
- the excess metal bringing the overbased character to the detergent additive is then generally in the form of a metal salt insoluble in the base oil, for example a carbonate, a hydroxide, an oxalate, an acetate, a glutamate, preferably a carbonate.
- a lubricating composition according to the invention may comprise from 0.5 to 8%, preferably from 0.5 to 4% by weight, relative to the total weight of the lubricant composition, of detergent additive.
- a lubricating composition according to the invention may comprise less than 4% by weight of detergent additive (s), in particular less than 2% by weight, in particular less than 1% by weight, or even be free of detergent additive.
- pour point depressant additives also called “PPD” agents for “Pour Point Depressant” in English
- PPD Point Depressant
- pour point reducing agents there may be mentioned alkyl polymethacrylates, polyacrylates, polyarylamides, polyalkylphenols, polyalkylnaphthalenes and alkylated polystyrenes.
- the dispersing agents ensure the suspension and evacuation of the insoluble solid contaminants constituted by the secondary oxidation products that form when the lubricant composition is in use.
- They can be chosen from Mannich bases, succinimides and their derivatives.
- a lubricant composition according to the invention may comprise from 0.2 to 10% by weight of dispersing agent (s), relative to the total weight of the composition.
- Additional viscosity index (VI) improvers may also be present in a lubricant composition according to the present invention. These improvers of the viscosity index (VI) may be present in a composition according to the present invention in contents which do not disturb the desired effect in the context of the present invention, namely the CIFE effect. These additional viscosity index (VI) improvers, particularly the additional viscosity index improving polymers, make it possible to guarantee a good resistance to cold and a minimum viscosity at high temperature.
- examples of viscosity index improver polymers include polymeric esters, homopolymers or copolymers of olefin, such as ethylene or propylene, polyacrylates and polymethacrylates (PMA).
- a lubricating composition according to the invention may comprise from 1 to 15% by weight of additive (s) improving the viscosity index, relative to the total weight of the lubricating composition.
- the anti-foam additives may be chosen from polar polymers such as polymethylsiloxanes or polyacrylates.
- a lubricant composition according to the invention may comprise from 0.01 to 3% by weight of anti-foam additive (s), relative to the total weight of the lubricant composition.
- Packages of additives ready to be incorporated in a lubricating composition comprise between 20% and 30% by weight of a diluent consisting of base oil.
- the weight percentage of additive package relative to the weight of the lubricant composition according to the invention is at least 5%, the diluent being included in this percentage.
- the lubricant composition according to the invention comprises from 10 to 25% by weight, relative to the weight of the composition, of a package of additives, in particular from 10 to 20% by weight, and more particularly from 13 to 18% by weight.
- a composition according to the present invention has a kinematic viscosity at 100 ° C of between 9.3 and 16.3 cSt measured by ASTM D445 (SAE grade 30 and 40).
- the grade according to the SAEJ300 classification of a lubricant composition according to the invention is chosen from 5W30, 10W30, 10W40, 15W40.
- a composition according to the present invention has a viscosity index VI of between 140 and 165.
- the viscosity number is measured according to the ASTM D2270-93 standard, as is the case in Example 1 below.
- the use which is the subject of the invention is further characterized in that the measured kinematic viscosity of said lubricating composition decreases by at least 0.5 mm 2 / s, preferably at least 0.6 mm 2 / s, and even more preferably at least 0.8 mm 2 / s, and for example at least 1 mm%, when said lubricating composition is implemented in the test described below, with respect to the initial kinematic viscosity before implementation of said lubricant composition in said test:
- 150 g of lubricating composition is placed in a ventilated oven heated at 150 ° C. for 504 hours. At the end of this test, a sample of the lubricating composition is taken and the kinematic viscosity at 100 ° C. according to ASTM D445-97 (mm 2 / s) of this composition is measured.
- Example 2 Examples of this reduction in the kinematic viscosity observed for the compositions according to the present invention after thermal stability test are given in Example 2.
- the lubricant compositions according to the invention find a particularly advantageous application as lubricants for the various components of an industrial vehicle, such as engines, transmission systems (gearbox and transfer), hydraulic circuits and other secondary organs, and especially the engine of an industrial vehicle, in particular diesel engine.
- an industrial vehicle such as engines, transmission systems (gearbox and transfer), hydraulic circuits and other secondary organs, and especially the engine of an industrial vehicle, in particular diesel engine.
- a lubricant composition according to the invention may be prepared according to conventional methods known to those skilled in the art.
- Table 1 shows the details of the lubricant compositions according to the invention (CL) and comparative compositions (CC) for which the contents are expressed as a percentage by weight, as well as their physicochemical characteristics.
- the lubricating compositions are obtained by simply mixing at room temperature, the following components:
- a conventional additive package comprising at least a dispersant, detergents, anti-wear, antioxidants, friction modifiers
- a pour point depressant additive which is a conventional polymer of polymethacrylate commercially available from Evonik under the trade name "Viscoplex®",
- Polymer 1 (outside the invention) is a polyisobutylene polymer commercially available from Ineos under the trade name "Indopole® H300", (6) Polymer 2 is a hydrogenated styrene-butadiene polymer commercially available from Lubrizol under the trade name “Lz® 7418”,
- Polymer 3 is a hydrogenated styrene-butadiene polymer commercially available from Afton under the trademark "Hitec® 6005",
- Polymer 4 is a stellar hydrogenated isoprene-styrene polymer commercially available from Infneum under the trade name "SV® 301",
- Polymer 5 is a stellar hydrogenated isoprene-styrene polymer commercially available from the company Infneum under the trade name "SV® 261",
- Polymer 6 is a linear hydrogenated isoprene-styrene polymer commercially available from the company Infneum under the trade name "SV® 154”
- Polymer 7 is a hydrogenated isoprene-styrene polymer commercially available from Lubrizol under the name trade name "Lz® 7306”
- Polymer 8 is a polymethacrylate polymer commercially available from Evonik under the trade name "Viscoplex® 6-950",
- Polymer 9 is a polymethacrylate polymer commercially available from Evonik under the trade name "Viscoplex® 6-850".
- Polymer 10 is a polymethacrylate polymer commercially available from Sanyo Chemical under the trade name "AClub® VI 0-70".
- 150 g of lubricating composition is placed in a ventilated oven heated at 150 ° C. for 504 hours. At the end of this test, a sample of the lubricating composition is taken and the kinematic viscosity at 100 ° C. according to ASTM D445-97 (mm 2 / s) of this composition is measured.
- compositions according to the invention exhibit a kinematic viscosity at 100 ° C., measured according to the ASTM D445-97 standard, after the thermal stability test, which decreases over time with respect to their kinematic viscosities measured before the test. stability.
- the comparative compositions exhibit a kinematic viscosity at 100 ° C. measured according to the ASTM D445-97 standard after the thermal stability tests, which increases over time with respect to their kinematic viscosities measured before the stability tests. .
- the polymers according to the invention make it possible to obtain compositions whose viscosity decreases during thermal shearing, unlike the polymers outside the invention which, when they are included in a lubricating composition, do not make it possible to reduce the viscosity of that in the case of thermal shear, on the contrary, the viscosity of the latter increases.
- Example 1 The compositions described in Example 1 were subjected to mechanical shear (Bosch 90 cycle injector test).
- Figure 1 illustrates the phenomenon of decreasing the viscosity of the compositions as a function of the number of Bosch cycles.
- compositions according to the invention respond to the properties of CIFE.
- the higher the viscosity of a composition the more the various lubricated parts of the engine consume energy and therefore fuel.
- the engine tests are carried out on a Volvo Dl engine l € 5 (440hp), the thermal management of the lubricant is voluntarily set at 1 l8 ° C temperature in oil bowl, to be representative of hot operating conditions and thus promote the shearing of lubricating compositions by thermal effect.
- Step 1 new oil, measure fuel consumption on the WHSC (World Harmonized Stationary Cycle) standardized cycle.
- WHSC World Harmonized Stationary Cycle
- Step 2 Aging of the lubricant composition on an endurance cycle, which consists in reproducing on the engine test bench a dynamic road cycle representative of a field use, which has been recorded under real conditions by an OEM heavy weights.
- the test has a duration of 300 hours.
- the dynamism of the test road cycle is favorable to shearing by mechanical effect of the lubricating compositions tested.
- Fuel consumption is monitored dynamically throughout the endurance test for guidance. Samples of intermediate oils are made during the study for perform various measurements (kinematic viscosity at 100 ° C. in particular, represented in FIGS. 2 and 3).
- Step 3 after the endurance test, the lubricant composition present in the test engine is remeasured according to the WHSC standardized cycle in order to characterize the fuel consumption after the endurance test.
- the fuel consumption results for each of the 13 measurement points (speed / load) are compared with the results from step 1, in order to evaluate the CIFE performance of the lubricating composition tested.
- step 3 It is therefore the result from step 3 that will characterize the CIFE potential of the lubricant composition tested with respect to a reference lubricant tested under the same conditions (steps 1,2,3). Fuel consumption gains are established over the entire engine field.
- FIG. 2 represents the curve for measuring the viscosity at 100 ° C. of this composition CL2 during the engine test.
- a gain of 0.87% in fuel consumption was measured on the sheared oil that performed the endurance test against the oil before endurance test. This gain is significant compared to the discrimination threshold between two products of the method (0.34%).
- a comparative lubricating composition CC5 was then evaluated according to the same criteria.
- the present examples have been carried out in order to demonstrate the selection made among the viscosity index improving polymers, making it possible to prepare lubricating compositions having CIFE properties when they are used in the gearbox and in the hydraulic circuit. .
- lubricating composition 150 g is placed in a ventilated oven heated at 80 ° C. for 1008 hours. At the end of this test, a sample of the lubricating composition is taken and the kinematic viscosity at 100 ° C. according to ASTM D445-97 (mm 2 / s) of this composition is measured.
- lubricating composition 150 g is placed in a ventilated oven heated at 100 ° C. for 1008 hours. At the end of this test, a sample of the lubricating composition is taken and the kinematic viscosity at 100 ° C. according to ASTM D445-97 (mm 2 / s) of this composition is measured.
- compositions according to the invention exhibit a kinematic viscosity at 100 ° C., measured according to the ASTM D445-97 standard, after the thermal stability test, which decreases over time with respect to their kinematic viscosities measured before the test. stability.
- the comparative composition has a kinematic viscosity at 100 ° C. measured according to the ASTM D445-97 standard after the thermal stability tests, which remains constant over time with respect to its kinematic viscosity measured before the tests. stability.
- the polymers according to the invention make it possible to obtain compositions whose viscosity decreases during thermal shearing, unlike the polymers outside the invention which, when they are included in a lubricating composition, do not make it possible to reduce the viscosity of this one during a thermal shear.
- compositions according to the invention respond to the properties of CIFE when the composition is implemented in the gearbox and in the hydraulic circuit. Indeed, the higher the viscosity of a composition increases, the more the lubricated parts of the gearbox and the hydraulic circuit, are energy-consuming, and therefore fuel.
- compositions according to the invention CL1 and CL2 were subjected to a KRL shear test of 3 hours and 20 hours according to the CEC-L-45-A-99 standard. This test is representative of the shear conditions of the gearboxes when it is carried out over a period of 20 hours and the conditions of the hydraulic circuit when it is conducted over 3 hours.
- the viscosities before the test and after the test were measured at 100 ° C. and 40 ° C. (ASTM standard D445-97), and are summarized in Table 5 below, where the viscosities are given in mm 2 / s.
- compositions according to the invention exhibit a kinematic viscosity at 100 ° C. measured according to ASTM D445-97 after the KRL shear test, which decreases over time with respect to their kinematic viscosities measured before the test. shearing.
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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 |
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FR1853494A FR3080383B1 (fr) | 2018-04-20 | 2018-04-20 | Composition lubrifiante pour moteurs industriels a potentiel fe amplifie |
PCT/EP2019/060237 WO2019202150A1 (fr) | 2018-04-20 | 2019-04-19 | Composition lubrifiante pour moteurs industriels a potentiel fe amplifie |
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EP3781656A1 true EP3781656A1 (fr) | 2021-02-24 |
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EP19718380.9A Pending EP3781656A1 (fr) | 2018-04-20 | 2019-04-19 | Composition lubrifiante pour moteurs industriels a potentiel fe amplifie |
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Country | Link |
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US (1) | US20210171854A1 (fr) |
EP (1) | EP3781656A1 (fr) |
CN (1) | CN112154199B (fr) |
CA (1) | CA3097251A1 (fr) |
FR (1) | FR3080383B1 (fr) |
WO (1) | WO2019202150A1 (fr) |
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FR3108620B1 (fr) * | 2020-03-25 | 2022-09-09 | Total Marketing Services | Utilisation de polymère styrène diène hydrogéné pour réduire les émissions de particules |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1575507A (en) * | 1976-02-10 | 1980-09-24 | Shell Int Research | Hydrogenated star-shaped polymers and oil compositions thereof |
US4156673A (en) * | 1976-02-10 | 1979-05-29 | Shell Oil Company | Hydrogenated star-shaped polymer |
GB1575449A (en) * | 1976-04-02 | 1980-09-24 | Exxon Research Engineering Co | Hydrogenated tapered-block copolymers of conjegated dienes and vinyl aromatic are useful as oil additives |
US5070131A (en) * | 1990-09-28 | 1991-12-03 | Shell Oil Company | Gear oil viscosity index improvers |
US5458791A (en) * | 1994-07-01 | 1995-10-17 | Shell Oil Company | Star polymer viscosity index improver for oil compositions |
EP2380952A1 (fr) * | 2006-10-24 | 2011-10-26 | Total Raffinage Marketing | Fluide lubrifiant multifonctionnel |
WO2009125075A1 (fr) * | 2008-04-11 | 2009-10-15 | Total Raffinage Marketing | Fluide lubrifiant multifonctionnel |
WO2011077811A1 (fr) * | 2009-12-24 | 2011-06-30 | Jx日鉱日石エネルギー株式会社 | Composition d'huile lubrifiante pour systèmes pour moteur diesel de type à crosse |
EP2363454B1 (fr) | 2010-02-23 | 2018-09-26 | Infineum International Limited | Utilisation d'une composition d'huile lubrifiante |
WO2013066915A1 (fr) * | 2011-11-01 | 2013-05-10 | Exxonmobil Research And Engineering Company | Lubrifiants présentant une économie améliorée de carburant basse température |
US9133413B2 (en) * | 2011-12-21 | 2015-09-15 | Infineum International Limited | Viscosity index improvers for lubricating oil compositions |
KR101755889B1 (ko) * | 2015-11-19 | 2017-07-19 | 현대자동차주식회사 | 연비 및 내구성이 향상된 디젤 엔진오일 조성물 |
CN106398831B (zh) * | 2016-08-31 | 2020-07-10 | 龙蟠润滑新材料(天津)有限公司 | 一种抗磨节能型柴油机油组合物 |
-
2018
- 2018-04-20 FR FR1853494A patent/FR3080383B1/fr active Active
-
2019
- 2019-04-19 CA CA3097251A patent/CA3097251A1/fr active Pending
- 2019-04-19 US US17/048,012 patent/US20210171854A1/en not_active Abandoned
- 2019-04-19 WO PCT/EP2019/060237 patent/WO2019202150A1/fr active Application Filing
- 2019-04-19 EP EP19718380.9A patent/EP3781656A1/fr active Pending
- 2019-04-19 CN CN201980034118.7A patent/CN112154199B/zh active Active
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FR3080383B1 (fr) | 2020-11-20 |
FR3080383A1 (fr) | 2019-10-25 |
US20210171854A1 (en) | 2021-06-10 |
WO2019202150A1 (fr) | 2019-10-24 |
CA3097251A1 (fr) | 2019-10-24 |
CN112154199A (zh) | 2020-12-29 |
CN112154199B (zh) | 2023-03-03 |
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