EP3083907A1 - Composition lubrifiante a base de triamines grasses - Google Patents
Composition lubrifiante a base de triamines grassesInfo
- Publication number
- EP3083907A1 EP3083907A1 EP14812525.5A EP14812525A EP3083907A1 EP 3083907 A1 EP3083907 A1 EP 3083907A1 EP 14812525 A EP14812525 A EP 14812525A EP 3083907 A1 EP3083907 A1 EP 3083907A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compound
- carbon atoms
- lubricating composition
- composition according
- group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 213
- 239000000314 lubricant Substances 0.000 title claims abstract description 75
- 150000001875 compounds Chemical class 0.000 claims abstract description 142
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 100
- 239000010959 steel Substances 0.000 claims abstract description 100
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 70
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 70
- 239000002199 base oil Substances 0.000 claims abstract description 29
- 230000001050 lubricating effect Effects 0.000 claims description 120
- 125000004432 carbon atom Chemical group C* 0.000 claims description 108
- 125000000217 alkyl group Chemical group 0.000 claims description 48
- -1 molybdenum dithiocarbamate compound Chemical class 0.000 claims description 42
- 230000001603 reducing effect Effects 0.000 claims description 38
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 22
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 21
- 239000000654 additive Substances 0.000 claims description 21
- 229910052750 molybdenum Inorganic materials 0.000 claims description 20
- 239000011733 molybdenum Substances 0.000 claims description 20
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 19
- 229920006395 saturated elastomer Polymers 0.000 claims description 19
- 125000004417 unsaturated alkyl group Chemical group 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 13
- 230000000996 additive effect Effects 0.000 claims description 12
- 239000003599 detergent Substances 0.000 claims description 11
- 150000001412 amines Chemical class 0.000 claims description 9
- 150000001768 cations Chemical class 0.000 claims description 7
- 150000002148 esters Chemical class 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 5
- CJSZLPWCFGHOPN-UHFFFAOYSA-N triazanium dioxido-sulfanylidene-sulfido-lambda5-phosphane Chemical class P([O-])([O-])(=S)[S-].[NH4+].[NH4+].[NH4+] CJSZLPWCFGHOPN-UHFFFAOYSA-N 0.000 claims description 5
- 239000005069 Extreme pressure additive Substances 0.000 claims description 2
- 239000007866 anti-wear additive Substances 0.000 claims description 2
- 239000002562 thickening agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 abstract description 48
- 239000011248 coating agent Substances 0.000 abstract description 35
- 239000003981 vehicle Substances 0.000 description 62
- 150000002430 hydrocarbons Chemical group 0.000 description 41
- 238000000034 method Methods 0.000 description 25
- 239000003963 antioxidant agent Substances 0.000 description 14
- 229910052717 sulfur Inorganic materials 0.000 description 13
- 229910003460 diamond Inorganic materials 0.000 description 12
- 239000010432 diamond Substances 0.000 description 12
- 235000019198 oils Nutrition 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 125000003342 alkenyl group Chemical group 0.000 description 9
- 125000003118 aryl group Chemical group 0.000 description 9
- 238000007456 delayed laparoscopic cholecystectomy Methods 0.000 description 9
- 239000010705 motor oil Substances 0.000 description 9
- 239000003921 oil Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 8
- 235000014113 dietary fatty acids Nutrition 0.000 description 8
- 239000000194 fatty acid Substances 0.000 description 8
- 229930195729 fatty acid Natural products 0.000 description 8
- 150000004665 fatty acids Chemical class 0.000 description 8
- 239000011593 sulfur Substances 0.000 description 8
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 7
- 239000002585 base Substances 0.000 description 7
- 238000011156 evaluation Methods 0.000 description 7
- 239000002113 nanodiamond Substances 0.000 description 7
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical class O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 6
- 125000004434 sulfur atom Chemical group 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- 235000010755 mineral Nutrition 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 125000000304 alkynyl group Chemical group 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- DKVNPHBNOWQYFE-UHFFFAOYSA-M carbamodithioate Chemical group NC([S-])=S DKVNPHBNOWQYFE-UHFFFAOYSA-M 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 125000000392 cycloalkenyl group Chemical group 0.000 description 3
- 125000000753 cycloalkyl group Chemical group 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000994 depressogenic effect Effects 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 239000003446 ligand Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 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 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 229920013639 polyalphaolefin Polymers 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920000193 polymethacrylate Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 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 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 235000019484 Rapeseed oil Nutrition 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 235000019486 Sunflower oil Nutrition 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 150000001408 amides Chemical class 0.000 description 2
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 2
- 239000011609 ammonium molybdate Substances 0.000 description 2
- 229940010552 ammonium molybdate Drugs 0.000 description 2
- 235000018660 ammonium molybdate Nutrition 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 2
- 229910052787 antimony Inorganic materials 0.000 description 2
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 229940125904 compound 1 Drugs 0.000 description 2
- 229920001577 copolymer Polymers 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
- 238000005516 engineering process Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- SECPZKHBENQXJG-FPLPWBNLSA-N palmitoleic acid Chemical compound CCCCCC\C=C/CCCCCCCC(O)=O SECPZKHBENQXJG-FPLPWBNLSA-N 0.000 description 2
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
- 239000002600 sunflower oil Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000008158 vegetable oil 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
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- KUHJJSKJQLIHBS-UHFFFAOYSA-N 1,4-diaminobutan-1-ol Chemical compound NCCCC(N)O KUHJJSKJQLIHBS-UHFFFAOYSA-N 0.000 description 1
- RMSGQZDGSZOJMU-UHFFFAOYSA-N 1-butyl-2-phenylbenzene Chemical group CCCCC1=CC=CC=C1C1=CC=CC=C1 RMSGQZDGSZOJMU-UHFFFAOYSA-N 0.000 description 1
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 1
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 1
- 125000000094 2-phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- UQRONKZLYKUEMO-UHFFFAOYSA-N 4-methyl-1-(2,4,6-trimethylphenyl)pent-4-en-2-one Chemical group CC(=C)CC(=O)Cc1c(C)cc(C)cc1C UQRONKZLYKUEMO-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
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-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
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- 240000006240 Linum usitatissimum Species 0.000 description 1
- 235000004431 Linum usitatissimum Nutrition 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-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
- 235000019482 Palm oil Nutrition 0.000 description 1
- 235000021319 Palmitoleic acid Nutrition 0.000 description 1
- 235000019483 Peanut oil Nutrition 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 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
- BTHAQRDGBHUQMR-UHFFFAOYSA-N [S]P(=O)=O Chemical compound [S]P(=O)=O BTHAQRDGBHUQMR-UHFFFAOYSA-N 0.000 description 1
- 239000004480 active ingredient Substances 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
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000004450 alkenylene group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 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
- 239000002194 amorphous carbon material Substances 0.000 description 1
- 150000001449 anionic compounds Chemical class 0.000 description 1
- 229940053200 antiepileptics fatty acid derivative Drugs 0.000 description 1
- 125000001204 arachidyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- SGQLUUBYYBASTD-UHFFFAOYSA-N azanium butoxy-butylsulfanyl-oxido-sulfanylidene-lambda5-phosphane Chemical class [NH4+].CCCCOP([O-])(=S)SCCCC SGQLUUBYYBASTD-UHFFFAOYSA-N 0.000 description 1
- RNGGCNUUKRUGCI-UHFFFAOYSA-N azanium;ethoxy-ethylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical class [NH4+].CCOP([O-])(=S)SCC RNGGCNUUKRUGCI-UHFFFAOYSA-N 0.000 description 1
- ATBPGPNOOVIFLN-UHFFFAOYSA-N azanium;methoxy-methylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical class [NH4+].COP([O-])(=S)SC ATBPGPNOOVIFLN-UHFFFAOYSA-N 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
- 235000015278 beef Nutrition 0.000 description 1
- 125000002511 behenyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000003225 biodiesel Substances 0.000 description 1
- 125000000319 biphenyl-4-yl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C1=C([H])C([H])=C([*])C([H])=C1[H] 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
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- 125000005187 nonenyl group Chemical group C(=CCCCCCCC)* 0.000 description 1
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- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
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- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
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- 239000003549 soybean oil Substances 0.000 description 1
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- PJANXHGTPQOBST-UHFFFAOYSA-N stilbene Chemical compound C=1C=CC=CC=1C=CC1=CC=CC=C1 PJANXHGTPQOBST-UHFFFAOYSA-N 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 125000005063 tetradecenyl group Chemical group C(=CCCCCCCCCCCCC)* 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 125000005425 toluyl group Chemical group 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000002221 trityl group Chemical group [H]C1=C([H])C([H])=C([H])C([H])=C1C([*])(C1=C(C(=C(C(=C1[H])[H])[H])[H])[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 125000005065 undecenyl group Chemical group C(=CCCCCCCCCC)* 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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- 125000005023 xylyl group Chemical group 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/10—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic phosphorus-containing compound
-
- 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
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/024—Well-defined aliphatic compounds unsaturated
-
- 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
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/08—Amides [having hydrocarbon substituents containing less than thirty carbon atoms]
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant Compositions
- C10M2215/08—Amides [having hydrocarbon substituents containing less than thirty carbon atoms]
- C10M2215/082—Amides [having hydrocarbon substituents containing less than thirty carbon atoms] containing hydroxyl groups; Alkoxylated derivatives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type compounds
- C10M2219/068—Thiocarbamate metal 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/045—Metal containing thio derivatives
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
-
- 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
- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/09—Complexes with metals
-
- 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
- C10N2010/12—Groups 6 or 16
-
- 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
- C10N2030/54—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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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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
- C10N2070/00—Specific manufacturing methods for lubricant compositions
- C10N2070/02—Concentrating of additives
Definitions
- the present invention is applicable to the field of lubricants, especially engine lubricants, and more particularly for motor vehicle engines. More particularly, the present invention relates to a lubricating composition comprising at least one base oil, at least one organomolybdenum compound, at least one compound comprising a dithiophosphate group and at least one fatty triamine.
- the lubricant composition according to the invention has both good friction properties for the steel / steel contacts, for the steel / carbon coating contacts as well as for the carbon / carbon coating contacts, while retaining good anti-wear properties. .
- the present invention also relates to a lubrication process using this composition.
- the present invention also relates to a method for reducing friction between two steel surfaces, in particular in an engine, and more particularly in a motor vehicle engine.
- the present invention also relates to a method for reducing friction between a steel surface and a surface covered with carbon, in particular in an engine, and more particularly in a motor vehicle engine.
- the present invention also relates to a method for reducing friction between two surfaces coated with carbon, and more particularly in a motor vehicle engine.
- the present invention also relates to a method for reducing the fuel consumption of a vehicle, and more particularly of a motor vehicle.
- the present invention also relates to the use of a fatty triamine in a lubricant composition for reducing friction between two steel surfaces, in particular in an engine, and more particularly in a motor vehicle engine.
- the present invention also relates to the use of a fatty triamine in a lubricant composition to reduce friction between a steel surface and a carbon-coated surface, especially in an engine, and more particularly in a motor vehicle engine.
- the present invention also relates to the use of a fatty triamine in a lubricant composition for reducing the friction between two surfaces covered with carbon, in particular in an engine, and more particularly in a motor vehicle engine.
- the present invention also relates to the use of a fatty triamine in a lubricant composition for reducing the fuel consumption of a vehicle, and more particularly of a motor vehicle.
- the present invention also relates to a concentrated type composition of additives comprising at least one organomolybdenum compound, at least one compound comprising a dithiophosphate group and at least one fatty triamine.
- lubricants are to reduce the phenomena of friction and wear of mechanical parts, particularly in the engines of vehicles, and more particularly of motor vehicles.
- the organomolybdenum compounds represent a family of compounds whose properties for reducing friction phenomena have been widely described, and more particularly in the contacts between two steel surfaces.
- organomolybdenum compounds in particular organomolybdenum compounds comprising a dithiocarbamate group, may cause worsening of the wear phenomena of mechanical parts.
- DLC coatings are used as coating surfaces of parts in vehicle engines, and in particular in motor vehicle engines.
- organomolybdenum compounds present in a lubricant can degrade or even peel off a carbon coating present on a surface and that this degradation can be accentuated with the increase in the content of organomolybdenum compounds in the lubricant.
- EP 2479247 discloses a lubricant comprising a compound based on a zinc phosphate compound and a sulfur compound.
- EP 1338641 discloses a lubricant comprising an amine as a friction modifier compatible with a surface having a DLC coating.
- An object of the present invention is to provide a lubricant composition overcoming all or in part the aforementioned drawbacks.
- Another object of the invention is to provide a lubricant composition whose formulation is easy to implement.
- Another object of the present invention is to provide a lubrication method for reducing friction between two steel surfaces, between a steel surface and a carbon-coated surface and between two carbon-coated surfaces.
- the invention thus relates to a lubricant composition
- a lubricant composition comprising:
- the Applicant has found that the presence of at least one organomolybdenum compound, at least one compound comprising a dithiophosphate group and at least one fatty triamine in a lubricating composition makes it possible to confer on the lubricating composition simultaneously with good friction properties for steel / steel contacts, for steel / carbon coating contacts and for carbon / carbon coating contacts.
- the present invention makes it possible to formulate lubricating compositions comprising an optimized content of organomolybdenum compounds and having good friction properties for the steel / steel contacts, for the steel / carbon coating contacts as well as for the carbon coating / carbon coating contacts.
- the lubricant compositions according to the invention have good friction properties for the steel / steel contacts, for the steel / carbon coating contacts and for the carbon / carbon coating contacts, while retaining good anti-wear properties.
- the lubricant compositions according to the invention make it possible to save fuel in all the operating phases of a combustion engine. vehicle, preferably motor vehicles, and more particularly at startup.
- the lubricant compositions according to the invention have good storage stability and a viscosity that does not vary or very little.
- the lubricant composition consists essentially of:
- the invention also relates to an engine oil comprising a lubricant composition as defined above.
- the invention also relates to the use of a lubricant composition as defined above for the lubrication of mechanical parts, especially in transmissions and / or engines of vehicles, preferably motor vehicles.
- the invention also relates to the use of a lubricant composition as defined above for reducing the friction between two steel surfaces, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a lubricant composition above for reducing the friction between a steel surface and a surface covered with carbon, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a lubricant composition as defined above for reducing the friction between two surfaces coated with carbon, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a lubricant composition as defined above for reducing the fuel consumption of vehicles, preferably of motor vehicles.
- the invention also relates to a method for lubricating mechanical parts, especially in transmissions and / or engines of vehicles, preferably motor vehicles, comprising at least one step of contacting at least one part with a lubricating composition such as as defined above.
- the invention also relates to a method for reducing the friction between two steel surfaces, in particular in a vehicle engine, preferably a motor vehicle, comprising at least one step of contacting at least one of the steel surfaces with a composition lubricant as defined above.
- the invention also relates to a method for reducing friction between a steel surface and a surface covered with carbon, in particular in a vehicle engine, preferably a motor vehicle, comprising at least one step of contacting at least one of the surfaces with a lubricating composition as defined above.
- the invention also relates to a method for reducing the friction between two surfaces covered with carbon, in particular in a vehicle engine, preferably a motor vehicle, comprising at least one step of contacting at least one of the carbon-coated surfaces with a lubricant composition as defined above.
- the invention also relates to a method for reducing the fuel consumption of a vehicle, preferably of a motor vehicle, comprising at least one step of contacting a mechanical part of the vehicle engine with a lubricating composition as defined. above.
- the invention also relates to the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group for reducing the friction between two steel surfaces, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group for reducing friction between a steel surface and a surface covered with carbon, especially in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group for reducing the friction between two carbon-coated surfaces, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group for reducing the fuel consumption of a vehicle, preferably of a motor vehicle.
- the invention also relates to a concentrate-type composition of additives comprising:
- the lubricating composition according to the invention comprises at least one organomolybdenum compound.
- organomolybdenum compound according to the invention is meant any organomolybdenum compound soluble in an oil.
- the organomolybdenum compound can be chosen from organic complexes of molybdenum such as carboxylates, esters, molybdenum amides, obtainable by reaction of molybdenum oxide or molybdates. ammonium with fatty substances, glycerides, fatty acids or fatty acid derivatives (esters, amines, amides ).
- the organomolybdenum compound is selected from sulfur and phosphorus-free molybdenum complexes, with amide ligands, mainly prepared by reaction of a molybdenum source, which may be by Molybdenum trioxide, and an amine derivative, and of fatty acids comprising, for example, from 4 to 28 carbon atoms, preferably from 8 to 18 carbon atoms, such as, for example, the fatty acids contained in the vegetable or animal oils.
- a molybdenum source which may be by Molybdenum trioxide, and an amine derivative
- fatty acids comprising, for example, from 4 to 28 carbon atoms, preferably from 8 to 18 carbon atoms, such as, for example, the fatty acids contained in the vegetable or animal oils.
- the organomolybdenum compound is chosen from organic complexes of molybdenum obtained by reaction:
- X 1 represents an oxygen atom or a nitrogen atom
- X 2 represents an oxygen atom or a nitrogen atom
- n and m represent 1 when X 1 or X 2 represent an oxygen atom
- n and m represent 2 when X 1 or X 2 represent a nitrogen atom
- the organic molybdenum complex may comprise from 2 to 8.5% by weight of molybdenum with respect to the weight of complex.
- the organic molybdenum complex consists of at least one of the compounds of formula (I) or (I), alone or as a mixture:
- X 1 represents an oxygen atom or a nitrogen atom
- X 2 represents an oxygen atom or a nitrogen atom
- N represents 1 when X 1 represents an oxygen atom and m represents 1 when X 2 represents an oxygen atom;
- N represents 2 when X 1 represents a nitrogen atom and m represents 2 when X 2 represents a nitrogen atom;
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms;
- X 1 represents an oxygen atom or a nitrogen atom
- X 2 represents an oxygen atom or a nitrogen atom
- N represents 1 when X 1 represents an oxygen atom and m represents 1 when X 2 represents an oxygen atom;
- N represents 2 when X 1 represents a nitrogen atom and m represents 2 when X 2 represents a nitrogen atom;
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms;
- R 2 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms.
- the organic molybdenum complex is prepared by reaction:
- molybdenum source selected from molybdenum trioxide or molybdates, preferably ammonium molybdate, in an amount sufficient to provide 0.1 to 20.0% molybdenum based on the weight of complex.
- the organic molybdenum complex consists of at least one compound of formula (I-a) or (II-a), alone or as a mixture:
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferentially from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms,
- R 1 represents a linear or branched, saturated or unsaturated alkyl group comprising from 3 to 30 carbon atoms, preferably from 3 to 20 carbon atoms, advantageously from 7 to 17 carbon atoms.
- the organomolybdenum compound may be selected from molybdenum dithiophosphates or molybdenum dithiocarbamates.
- the organomolybdenum compound is chosen from molybdenum dithiocarbamates.
- Mo-DTC compounds are complexes formed of a metal ring bound to one or more ligands, the ligand being a dithiocarbamate group of alkyls. These compounds are well known to those skilled in the art.
- the Mo-DTC compound may comprise from 1 to 40%, preferably from 2 to 30%, more preferably from 3 to 28%, advantageously from 4 to 15% by weight of molybdenum, relative to the total mass of Mo-DTC compound.
- the Mo-DTC compound may comprise from 1 to 40%, preferably from 2 to 30%, more preferably from 3 to 28%, advantageously from 4 to 15% by weight of sulfur. , relative to the total mass of Mo-DTC compound.
- the Mo-DTC compound may be chosen from those whose nucleus has two molybdenum atoms (also called dimeric Mo-DTC) and those whose nucleus has three molybdenum atoms (also called Trimeric Mo-DTP).
- the trimeric Mo-DTC compounds have the formula Mo 3 S k L n wherein: k represents an integer at least equal to 4, preferably ranging from 4 to 10, advantageously from 4 to 7,
- n is an integer ranging from 1 to 4, and
- L being an alkyl dithiocarbamate group comprising from 1 to 100 carbon atoms, preferably from 1 to 40 carbon atoms, advantageously from 3 to
- trimeric Mo-DTC compounds include the compounds and methods for their preparation as described in WO 98/26030 and US 2003/022954.
- the Mo-DTC compound is a dimeric Mo-DTC compound.
- dimeric Mo-DTC compounds mention may be made of the compounds and their methods of preparation as described in the documents EP 0757093, EP 0719851, EP 0743354 or EP 1013749.
- the dimeric Mo-DTC compounds generally correspond to the compounds of formula (III):
- R 3, R 4, R 5, R 6, identical or different, represent independently a hydrocarbon group selected from alkyl, alkenyl, aryl, cycloalkyl or cycloalkenyl,
- X 3 , X 4 , X 5 and X 6 which may be identical or different, independently represent an oxygen atom or a sulfur atom.
- Alkyl group in the sense of the invention means a hydrocarbon group, linear or branched, saturated or unsaturated, comprising from 1 to 24 carbon atoms.
- the alkyl group is selected from the group consisting of methyl, ethyl, propyl, isopropyl, n-butyl, iso-butyl, tert-butyl, n-pentyl, iso-pentyl, neopentyl, hexyl, heptyl, octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, isotridecyl, tetradecyl, hexadecyl, stearyl, icosyl, docosyl, tetracosyl, triacontyl, 2-ethylhexyl, 2-butyloctyl, 2-butyldecyl, 2-hexyloc
- alkenyl group means a linear or branched hydrocarbon group comprising at least one double bond and comprising from 2 to 24 carbon atoms.
- the alkenyl group may be chosen from vinyl, allyl, propenyl, butenyl, isobutenyl, pentenyl, isopentenyl, hexenyl, heptenyl, octenyl, nonenyl, decenyl, undecenyl, dodecenyl, tetradecenyl and oleic.
- Aryl group within the meaning of the present invention means a polycyclic aromatic hydrocarbon or an aromatic group, substituted or not with an alkyl group.
- the aryl group may comprise from 6 to 24 carbon atoms.
- the aryl group may be selected from the group consisting of phenyl, toluyl, xylyl, cumenyl, mesityl, benzyl, phenethyl, styryl, cinnamyl, benzhydryl, trityl, ethylphenyl, propylphenyl, butylphenyl, pentylphenyl, hexylphenyl, heptylphenyl, octylphenyl, nonylphenyl, decylphenyl, undecylphenyl, dodecylphenyl, phenylphenyl, benzylphenyl, phenylstyrene, p-cum
- the cycloalkyl groups and the cycloalkenyl groups may be chosen, in a non-limiting manner, from the group consisting of cyclopentyl, cyclohexyl, cycloheptyl, methylcyclopentyl, methylcyclohexyl, methylcycloheptyl, cyclopentenyl, cyclohexenyl, cycloheptenyl, methylcyclopentenyl, methylcyclohexenyl.
- Cycloalkyl groups and cycloalkenyl groups may comprise from 3 to 24 carbon atoms.
- R 3 , R 4 , R 5 and R 6 which are identical or different, independently represent an alkyl group comprising from 4 to 18 carbon atoms or an alkenyl group comprising from 2 to 24 carbon atoms.
- X 3 , X 4 , X 5 and X 6 may be the same and may be a sulfur atom.
- X 3 , X 4 , X 5 and X 6 may be the same and may be an oxygen atom.
- X 3 and X 4 may represent a sulfur atom and X 5 and X 6 may represent an oxygen atom.
- X 3 and X 4 may represent an oxygen atom and X 5 and X 6 may represent a sulfur atom.
- the ratio of the number of sulfur atoms to the number of oxygen (S / O) atoms of the Mo-DTC compound may vary from (1/3) to (3/1).
- the Mo-DTC compound of formula (A) may be chosen from a symmetrical Mo-DTC compound, an asymmetric Mo-DTC compound and their combination.
- symmetric Mo-DTC compound according to the invention is meant a Mo-DTC compound of formula (III) in which the groups R 3 , R 4 , R 5 and R 6 are identical.
- asymmetric Mo-DTC compound according to the invention is meant a Mo-DTC compound of formula (III) in which the groups R 3 and R 4 are identical, the groups R 5 and R 6 are identical and the groups R 3 and R 4 are different from the groups R 5 and R 6 .
- the Mo-DTC compound is a mixture of at least one symmetrical Mo-DTC compound and at least one asymmetric Mo-DTC compound.
- R 3 and R 4 which are identical, represent an alkyl group comprising from 5 to 15 carbon atoms and R 5 and R 6 , which are identical and different from R 3 and R 4 , represent a grouping. alkyl comprising from 5 to 15 carbon atoms.
- R 3 and R 4 which are identical, represent an alkyl group comprising from 6 to 10 carbon atoms and R 5 and R 6 represent an alkyl group comprising from 10 to 15 carbon atoms.
- R 3 and R 4 which are identical, represent an alkyl group comprising from 10 to 15 carbon atoms and R 5 and R 6 represent an alkyl group comprising from 6 to 10 carbon atoms. .
- R 3 , R 4 , R 5 and R 6 which are identical, represent an alkyl group comprising from 5 to 15 carbon atoms, preferably from 8 to 13 carbon atoms.
- the compound Mo-DTC is chosen from the compounds of formula (III) in which:
- X 3 and X 4 represent an oxygen atom
- X 5 and X 6 represent a sulfur atom
- R 3 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms
- R 4 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms
- R 5 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms
- R 6 represents an alkyl group comprising 8 carbon atoms or an alkyl group comprising 13 carbon atoms.
- the compound Mo-DTC is chosen from compounds of formula (III-a)
- the compound Mo-DTC is a mixture:
- Mo-DTC compounds examples include the products Molyvan L, Molyvan 807 or Molyvan 822 marketed by the company RT Vanderbilt Compagny or the Sakura-lube 200, Sakura-lube 165, Sakura-lube 525 or Sakura-lube 600 products. marketed by the company Adeka.
- the content by weight of organomolybdenum compound ranges from 0.05 to 3%, preferably from 0.1 to 2%, advantageously from 0.1 to 1% relative to the total weight of the lubricating composition.
- the lubricating composition according to the invention comprises at least one compound comprising a dithiophosphate group.
- dithiophosphate the compound comprising a dithiophosphate group
- dithiophosphate the compound comprising a dithiophosphate group
- the dithiophosphate may be chosen from ammonium dithiophosphates, amine dithiophosphates, ester dithiophosphates and metal dithiophosphates, taken alone or as a mixture.
- the dithiophosphate is chosen from the ammonium dithiophosphates of formula (IV): in which R 7 and R 8 represent, independently of each other, an optionally substituted hydrocarbon group comprising from 1 to 30 carbon atoms.
- R 7 and R 8 represent, independently of each other, an optionally substituted hydrocarbon group, comprising from 2 to 24 carbon atoms, more preferably from 3 to 18 carbon atoms, preferably from 5 to 12 carbon atoms.
- R 7 and R 8 represent, independently of one another, an unsubstituted hydrocarbon group, said hydrocarbon group possibly being an alkyl, alkenyl, alkynyl, phenyl or benzyl group.
- R 7 and R 8 represent, independently of one another, a linear or branched alkyl hydrocarbon group, more preferably a linear alkyl hydrocarbon group.
- R 7 and R 8 represent, independently of one another, a hydrocarbon-based group optionally substituted with at least one oxygen, nitrogen, sulfur and / or phosphorus, preferably by at least one oxygen atom.
- ammonium dithiophosphate examples include ammonium dimethyl dithiophosphates, ammonium diethyl dithiophosphates and ammonium dibutyl dithiophosphates.
- the dithiophosphate is chosen from amine dithiophosphates of the general formula V):
- R 9 and R 10 represent, independently of each other, an optionally substituted hydrocarbon group comprising from 1 to 30 carbon atoms,
- R 9 and R 10 represent, independently of one another, an optionally substituted hydrocarbon group comprising from 2 to 24 carbon atoms, more preferably from 3 to 18 carbon atoms. , advantageously from 5 to 12 carbon atoms.
- R 9 and R 10 represent, independently of one another, an unsubstituted hydrocarbon group, said hydrocarbon group possibly being an alkyl, alkenyl, alkynyl, phenyl or benzyl group.
- R 9 and R 10 independently of one another represent a linear or branched alkyl hydrocarbon group, more preferably a linear alkyl hydrocarbon group.
- R 9 and R 10 represent, independently of one another, a hydrocarbon group optionally substituted with at least one oxygen, nitrogen, sulfur and / or phosphorus, preferably by at least one oxygen atom.
- Ru, R 12 and R 13 represent, independently of one another, a hydrocarbon group comprising from 2 to 24 carbon atoms, more preferably from 3 to 18 carbon atoms, advantageously from 5 to 12 carbon atoms.
- the dithiophosphate is chosen from ester dithiophosphates of general formula (VI):
- : - R-14 and R 15 represent, independently of one another, an optionally substituted hydrocarbon group comprising from 1 to 30 carbon atoms,
- R-16 and R 17 represent independently of one another a hydrocarbon group comprising 1 to 18 carbon atoms.
- R 14 and R 15 independently of one another represent an optionally substituted hydrocarbon group comprising from 2 to 24 carbon atoms, more preferably from 3 to 18 carbon atoms. , advantageously from 5 to 12 carbon atoms.
- R 14 and R 15 represent, independently of one another, an unsubstituted hydrocarbon group, said hydrocarbon group possibly being an alkyl, alkenyl, alkynyl, phenyl or benzyl group.
- R 14 and R 15 represent, independently of one another, a linear or branched alkyl hydrocarbon group, more preferably a linear alkyl hydrocarbon group.
- R 14 and R 15 represent, independently of one another, a hydrocarbon group optionally substituted with at least one oxygen, nitrogen, sulfur and / or phosphorus, preferably by at least one oxygen atom.
- R 14 and R 15 represent, independently of one another, a hydrocarbon group comprising from 2 to 6 carbon atoms.
- R 16 and R 17 represent, independently of one another, a hydrocarbon group comprising from 2 to 6 carbon atoms.
- the dithiophosphate is chosen from the metal dithiophosphates of general formula (VII):
- Ris and R represent, independently of each other, an optionally substituted hydrocarbon group comprising from 1 to 30 carbon atoms,
- M represents a metal cation
- n is the valence of this metal cation.
- the metal is selected from the group consisting of zinc, aluminum, copper, iron, mercury, silver, cadmium, tin, lead, antimony, bismuth, thallium, chromium, molybdenum, cobalt, nickel, tungsten, sodium, calcium, magnesium, manganese and arsenic.
- the preferred metals are zinc, molybdenum, antimony, preferably zinc and molybdenum.
- the metal is zinc.
- R 18 and R 19 represent, independently of each other, an optionally substituted hydrocarbon group comprising from 2 to 24 carbon atoms, more preferably from 3 to 18 carbon atoms. , advantageously from 5 to 12 carbon atoms.
- R 18 and R 19 represent, independently of one another, an unsubstituted hydrocarbon group, said hydrocarbon group possibly being an alkyl, alkenyl, alkynyl, phenyl or benzyl group.
- R 18 and R 19 represent, independently of one another, a linear or branched alkyl hydrocarbon group, more preferably a linear alkyl hydrocarbon group.
- R 18 and R 19 independently of one another represent a hydrocarbon group optionally substituted with at least one oxygen, nitrogen, sulfur and / or phosphorus, preferably by at least one oxygen atom.
- the dithiophosphate according to the invention is a zinc dithiophosphate of formula (VII-a) or of formula (VIII-b):
- R 8 and R 19 are as defined above.
- As dithiophosphate metal according to the invention include eg Additin ® RC 3038, the Additin ® RC 3045, the Additin ® RC 3048, the Additin ® RC 3058, the Additin ® RC 3080 Additin ® RC 3180, Additin ® RC 3212, Additin ® RC 3580, Kikulube ® Z1 12, Lubrizol ® 1371, Lubrizol ® 1375, Lubrizol ® 1395, Lubrizol ® 5179, Oloa ® 260, Oloa ® 267.
- the content by weight of dithiophosphate ranges from 0.1 to 5%, preferably from 0.1 to 3%, advantageously from 0.5 to 2% relative to the total weight of the dithiophosphate.
- lubricating composition Fatty triamine
- the lubricating composition according to the invention comprises at least one fatty triamine.
- Fatty triamines are mainly obtained from carboxylic acids.
- the starting fatty acids for obtaining fatty triamines according to the invention may be chosen from myristic, pentadecyl, palmitic, margaric, stearic, nonadecylic, arachidic, henicosanoic, behenic, tricosanoic, lignoceric, pentacosanoic, cerotic, heptacosanoic and montanic acids.
- nonacosanoic melissic, hentriacontanoic, laceroic or unsaturated fatty acids such as palmitoleic acid, oleic, erucic, nervonic, linoleic, a-linolenic, gamma-linolenic, di-homo-gamma-linolenic, arachidonic, eicosapentaenoic, docosahexaenoic.
- unsaturated fatty acids such as palmitoleic acid, oleic, erucic, nervonic, linoleic, a-linolenic, gamma-linolenic, di-homo-gamma-linolenic, arachidonic, eicosapentaenoic, docosahexaenoic.
- the preferred fatty acids may be derived from the hydrolysis of triglycerides present in vegetable and animal oils, such as coconut oil, palm oil, olive oil, peanut oil, rapeseed oil, sunflower oil, soybean oil, cotton, flax, beef tallow, .... Natural oils may have been genetically modified to enrich their content in certain fatty acids.
- vegetable and animal oils such as coconut oil, palm oil, olive oil, peanut oil, rapeseed oil, sunflower oil, soybean oil, cotton, flax, beef tallow, ....
- Natural oils may have been genetically modified to enrich their content in certain fatty acids.
- rapeseed oil or oleic sunflower oil By way of example, mention may be made of rapeseed oil or oleic sunflower oil.
- fatty triamines can be obtained from natural, plant or animal resources.
- the fatty triamine is chosen from the compounds of formula (VIII):
- R 20 represents a linear or branched, saturated or unsaturated alkyl group comprising at least 10 carbon atoms, preferentially from 10 to 22 carbon atoms, more preferably from 14 to 22 carbon atoms, advantageously from 16 to 20 carbon atoms.
- R 20 represents a mixture of at least one saturated alkyl group comprising from 16 to 18 carbon atoms and a mono-unsaturated alkyl group comprising from 16 to 18 carbon atoms.
- the fatty triamine is chosen from compounds of formula (IX):
- R 2 i represents a linear or branched, saturated or unsaturated alkyl group comprising at least 10 carbon atoms, preferentially from 10 to 22 carbon atoms, more preferably from 14 to 22 carbon atoms, advantageously from 16 to 20 carbon atoms. carbon.
- the content by weight of fatty triamine ranges from 0.1 to 5%, preferably from 0.1 to 3%, advantageously from 0.5 to 2% relative to the total weight of the composition.
- the lubricating composition comprises a mass ratio (organomolybdenum compound / fatty triamine) ranging from 1/10 to 1, preferably from 1/5 to 4/5.
- the lubricating composition comprises a mass ratio (organomolybdenum compound / compound comprising a dithiophosphate / fatty triamine group) ranging from 1/10/10 to 1/1/1, preferably from 1 / 5/5 to 4/5/5.
- Base oil may contain any type of mineral lubricating base oil, synthetic or natural, animal or vegetable adapted (s) to their use.
- the base oil or oils used in the lubricant compositions according to the present invention may be oils of mineral or synthetic origin of groups I to V according to the classes defined in the API classification (or their equivalents according to the ATI EL classification) such that summarized below, alone or as a mixture.
- Table I oils of mineral or synthetic origin of groups I to V according to the classes defined in the API classification (or their equivalents according to the ATI EL classification) such that summarized below, alone or as a mixture.
- the mineral base oils according to the invention include all types of bases obtained by atmospheric distillation and vacuum of crude oil, followed by refining operations such as solvent extraction, desalphating, solvent dewaxing, hydrotreatment, hydrocracking and hydroisomerization, hydrofinishing.
- the base oils of the lubricating compositions according to the invention may also be synthetic oils, such as certain carboxylic acid esters and alcohols, or polyalphaolefins.
- the polyalphaolefins used as base oils are, for example, obtained from monomers having from 4 to 32 carbon atoms (for example octene, decene), and a viscosity at 100 ° C. of between 1.5 and 15 cSt according to the standard. ASTM D445. Their weight average molecular weight is typically between 250 and 3000 according to ASTM D5296. Mixtures of synthetic and mineral oils can also be used.
- a particular lubricating base for producing the lubricating compositions according to the invention must have properties, in particular viscosity, viscosity index, sulfur, oxidation resistance, adapted for use in a vehicle engine, preferably motor vehicles.
- the lubricating bases represent at least 50% by weight, with respect to the total mass of the lubricating composition, preferably at least 60%, or at least 70%. Typically, they represent between 75 and 99.9% by weight, relative to the total mass of the lubricating compositions according to the invention.
- the lubricating compositions comprise Group I and / or III mineral bases, or Group IV synthetic bases according to the API classification.
- the lubricating compositions have a kinematic viscosity at 100 ° C. measured according to ASTM D445 ranging from 4 to 25 cSt, preferably from 5 to 22 cSt, advantageously from 5 to 13 cSt. .
- the lubricating compositions have a viscosity index (VI) greater than or equal to 140, preferably greater than or equal to 150, measured according to ASTM 2270.
- VI viscosity index
- the lubricant compositions according to the invention may also contain at least one additive chosen from detergents, anti-wear additives other than a dithiophosphate, extreme pressure additives, dispersants, pour point improvers, anti-wear agents and anti-wear agents. foam, thickeners and mixtures thereof.
- the lubricating composition may further comprise at least one antioxidant additive.
- the antioxidant additives retard the degradation of the lubricating compositions in service, in particular engine oils in service, which degradation can notably result in the formation of deposits, the presence of sludge, or an increase in the viscosity of the lubricant composition, especially the engine oil.
- Antioxidant additives act in particular as radical inhibitors or destroyers of hydroperoxides.
- antioxidants commonly used, mention may be made of antioxidants of phenolic or amine type, phosphosulfur antioxidants. Some of these antioxidants, for example phosphosulfides, can be ash generators. Phenolic antioxidants may be ashless, or may be in the form of neutral or basic metal salts.
- the antioxidant agents may especially be chosen from sterically hindered phenols, sterically hindered phenol esters and sterically hindered phenols comprising a thioether bridge, diphenylamines, diphenylamines substituted with at least one C 1 -C 12 alkyl group, and the ⁇ , ⁇ dialkyl aryl diamines and combinations thereof.
- sterically hindered phenol in the sense of the present invention a compound comprising a phenol group in which at least one carbon of the carbon carrying the alcohol function is substituted with at least one C 1 -C 10 alkyl group, preferably a C 1 -C 6 alkyl group, preferably a C 4 alkyl group, preferably by the ter-butyl group.
- Amino compounds are another class of antioxidants that can be used, optionally in combination with phenolic antioxidants.
- Typical examples are aromatic amines of the formula R22R23R24N, wherein R22 represents an aliphatic group or an optionally substituted aromatic group, R23 represents an optionally substituted aromatic group, R 24 represents a hydrogen atom, an alkyl group, an aryl group or a group of the formula R25S (0) Z R 2 6, wherein R25 represents an alkylene group or an alkenylene group, R 2 6 represents an alkyl group, an alkenyl group or an aryl group and z represents an integer equal to 0, 1 or 2.
- Sulfurized alkyl phenols or their alkali and alkaline earth metal salts can also be used as antioxidants.
- antioxidants are copper compounds, for example copper thio- or dithiophosphates, copper and carboxylic acid salts, dithiocarbamates, sulphonates, phenates, copper acetylacetonates. Copper salts I and II, succinic acid or anhydride may also be used.
- the lubricant composition according to the invention may contain any type of antioxidant additives known to those skilled in the art.
- the ashless antioxidants are used.
- the lubricant composition according to the invention may comprise from 0.5 to 2% of at least one antioxidant additive by weight relative to the total weight of the lubricant composition.
- the lubricating composition according to the invention may further comprise a detergent additive.
- the detergent additives reduce in particular the formation of deposits on the surface of the metal parts by dissolving the secondary products of oxidation and combustion.
- the detergents that can be used in the lubricant composition according to the invention are well known to those skilled in the art.
- the detergents commonly used in the formulation of lubricating compositions may be anionic compounds having a long lipophilic hydrocarbon chain and a hydrophilic head.
- the associated cation is typically a metal cation of an alkali or alkaline earth metal.
- the detergents are preferably chosen from the alkali metal or alkaline earth metal salts of carboxylic acids, sulphonates, salicylates and naphthenates, and than the salts of phenates.
- the alkali and alkaline earth metals are preferably calcium, magnesium, sodium or barium.
- These metal salts may contain the metal in an approximately stoichiometric amount or in excess (in excess of the stoichiometric amount). In the latter case, these detergents are called overbased detergents.
- the excess metal bringing the overbased character to the detergent, is in the form of metal salts insoluble in the oil, for example carbonate, hydroxide, oxalate, acetate, glutamate, preferably carbonate.
- the lubricating composition according to the invention may comprise from 2 to 4% by weight of detergent, relative to the total mass of the lubricating composition.
- the lubricant composition according to the invention may further comprise at least one pour point depressant additive.
- the pour point depressant additives notably improve the cold behavior of the lubricating compositions, by slowing down the formation of paraffin crystals.
- the lubricant composition according to the invention may comprise, in addition, at least one dispersant.
- the dispersants may be selected from groups formed by Mannich bases or bases.
- the lubricating composition according to the invention may comprise from 0.2 to 10% by weight of dispersants relative to the total mass of the lubricant composition.
- the lubricating composition may further comprise at least one viscosity index improving polymer.
- these polymers mention may be made of polymeric esters, copolymers of ethylene and propylene, homopolymers or copolymers of styrene, butadiene or isoprene, hydrogenated or otherwise, polymethacrylates (PMA).
- the lubricant composition according to the invention may comprise from 1 to 15% by weight of viscosity index improving polymers, relative to the total weight of the lubricating composition.
- the lubricating composition comprises: from 75 to 99.75% of at least one base oil,
- the lubricant composition comprises:
- the lubricant composition consists essentially of:
- the lubricant composition consists essentially of:
- the set of characteristics and preferences presented for the base oil, the organomolybdenum compound, the compound comprising a group dithiophosphate, fatty triamine and the additional additive also applies to the above lubricating compositions.
- the lubricating composition is not an emulsion.
- the lubricant composition is anhydrous.
- the invention also relates to an engine oil comprising a lubricant composition according to the invention.
- the engine oil can be grade OW-20 and 5W-30 according to classification SAEJ300, characterized by a kinematic viscosity at 100 ° C (KV100) ranging from 5.6 to 12, 5 cSt measured according to ASTM D445 international standard.
- KV100 kinematic viscosity at 100 ° C
- the engine oil may be characterized by a viscosity index, calculated according to the international standard ASTM D2230, greater than or equal to 130, preferably greater than or equal to 150.
- base oils having a sulfur content of less than 0.3%, for example Group III mineral oils, and sulfur-free, preferably Group IV, synthetic bases, or mixtures thereof.
- the invention also relates to the use of a lubricant composition as defined above for the lubrication of mechanical parts, in particular in transmissions and / or engines of vehicles, preferably motor vehicles.
- the invention also relates to the use of a lubricant composition as defined above for reducing friction between two steel surfaces, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a lubricant composition above to reduce friction between a steel surface and a carbon-coated surface, especially in a vehicle engine, preferably a motor vehicle.
- the subject of the invention is also the use of a lubricant composition as defined above for reducing the friction between two surfaces covered with carbon, in particular in a vehicle engine, preferably a motor vehicle.
- carbon coating according to the invention is meant any coating comprising carbon.
- These carbon coatings may be chosen from diamond coatings, and more particularly nanodiamond coatings.
- Such coatings can in particular be in the form of at least one layer of nanocrystalline diamond having a purity ranging from 70 to 99%.
- the carbon coatings are chosen from nanodiamond coatings in the form of at least one nanocrystalline diamond layer having a purity ranging from 70 to 99%, preferably ranging from 70 to 97%, advantageously of 75% and a thickness ranging from 0.1 to 3 ⁇ , preferably ranging from 0.5 to 2 ⁇ , advantageously from 1.5 ⁇ .
- These carbon coatings can also be chosen from DLC (Diamond Like Carbon) type coatings.
- DLC coating Any type of DLC coating can be used as a carbon coating according to the invention.
- DLCs are a collection of families of amorphous materials containing mostly carbon.
- hydrogenated DLCs especially hydrogenated DLC called a-C: H and non-hydrogenated DLC, especially non-hydrogenated DLC called a-C or non-hydrogenated DLC called ta-C.
- DLCs have properties that vary depending on their content of sp3 hybridized carbons and their hydrogen content. Some DLC variants may be doped with metal elements, such as iron, chromium or tungsten. Compared to diamond coatings, DLC coatings are generally less mechanically and thermally resistant because they are amorphous materials. On the other hand, they are generally less rough and above all can be deposited at low temperature on most substrates.
- the DLCs are chosen from hydrogenated DLCs, especially the hydrogenated DLCs designated a-C: H.
- the DLCs are chosen from hydrogenated DLCs, especially hydrogenated DLCs designated a-C: H containing from 10 to 40% of hydrogen.
- the above use also makes it possible not to aggravate or reduce wear between two steel surfaces, especially in a vehicle engine, preferably a motor vehicle.
- the above use also makes it possible not to aggravate or even reduce wear between a steel surface and a surface covered with carbon, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a lubricant composition as defined above for reducing the fuel consumption of vehicles, preferably of a motor vehicle.
- the invention also relates to a method for lubricating mechanical parts, especially in transmissions and / or engines of vehicles, preferably motor vehicles, comprising at least one step of contacting at least one part with a lubricating composition such as as defined above.
- the invention also relates to a method for reducing friction between two steel surfaces, in particular in a vehicle engine, preferably a motor vehicle, comprising at least one step of contacting at least one of the steel surfaces with a lubricant composition as defined above.
- the subject of the invention is also a method for reducing friction between a steel surface and a surface covered with carbon, in particular in a vehicle engine, preferably a motor vehicle, comprising at least one contacting step of at least one one of the surfaces with a lubricating composition as defined above.
- the subject of the invention is also a method for reducing friction between two surfaces covered with carbon, in particular in a vehicle engine, preferably a motor vehicle, comprising at least one step of contacting at least one of the surfaces covered with carbon. carbon with a lubricating composition as defined above.
- the above method also makes it possible not to aggravate or reduce wear between two steel surfaces, especially in a vehicle engine, preferably a motor vehicle.
- the above method also makes it possible not to aggravate or reduce wear between a steel surface and a surface covered with carbon, especially in a vehicle engine, preferably a motor vehicle.
- the above method also makes it possible not to aggravate or reduce wear between two carbon-coated surfaces, especially in a vehicle engine, preferably a motor vehicle.
- the invention also relates to a method for reducing the fuel consumption of a vehicle, preferably a motor vehicle, comprising at least one step of contacting a mechanical part of the engine of the vehicle with a lubricant composition such as as defined above.
- a lubricant composition such as as defined above.
- the vehicles may include a two or four stroke internal combustion engine.
- the engines may be gasoline engines or diesel engines intended to be powered by gasoline or conventional diesel.
- conventional gasoline or "conventional diesel” means engines which are powered by a fuel obtained after refining an oil of mineral origin (such as oil for example).
- the engines may also be gasoline engines or diesel engines modified to be powered by a fuel based on oils derived from renewable materials such as alcohol-based fuels or biodiesel fuel.
- the vehicles may be light vehicles such as automobiles and motorcycles. Vehicles can also be heavy trucks, construction machinery, ships.
- the invention also relates to the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group for reducing the friction between two steel surfaces.
- a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group for reducing the friction between two steel surfaces.
- a vehicle engine preferably a motor vehicle.
- the invention also relates to the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group to reduce the friction between a steel surface. and a surface covered with carbon, in particular in a vehicle engine, preferably a motor vehicle.
- the invention also relates to the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group to reduce the friction between two surfaces covered with carbon, especially in a vehicle engine, preferably a motor vehicle.
- the subject of the invention is also the use of a fatty triamine in a lubricating composition comprising at least one base oil, at least one organomolybdenum compound and at least one compound comprising a dithiophosphate group for reducing the fuel consumption of a compound.
- vehicle preferably a motor vehicle.
- the invention also relates to a concentrate-type composition of additives comprising:
- the additive concentrate type composition further comprises at least one additional additive.
- the additional additive may be selected from the additives mentioned above.
- at least one base oil can be added to the additive concentrate composition according to the invention to obtain a lubricating composition according to the invention.
- Lubricating compositions Nos. 1 to 6 were prepared from the following compounds:
- an organomolybdenum compound 1 an organomolybdenum complex of formula (I-a) in which R 1 represents a hydrocarbon group comprising 11 carbon atoms (Molyvan 855 sold by the company Vanderbilt),
- organomolybdenum 2 molybdenum dithiocarbamate compound (Sakura-lube 525 sold by the company Adeka),
- hydrocarbon group comprising from 16 to 18 carbon atoms (Triameen YT sold by Akzo).
- Lubricating compositions Nos. 1 to 6 are described in Table II; the percentages given are percentages by mass. Table II
- Test 1 Evaluation of the friction properties of lubricating compositions on a steel / steel contact
- a difference of at least 0.01 between two coefficient of friction values is considered significant to show the influence on said coefficient of friction.
- Table III shows the coefficient of friction of the lubricating compositions No. 1, No. 2 and No. 4.
- composition No. 4 has improved friction properties for the steel / steel contacts, with respect to a lubricating composition comprising an organomolybdenum compound according to the invention and a compound comprising a dithiophosphate group according to the invention. invention but not comprising fatty triamine according to the invention (composition No. 2).
- Test 2 Evaluation of the friction properties of lubricating compositions on a DLC / steel contact
- the aim is to evaluate the friction properties of the lubricant compositions Nos. 1, 2, 4 and 6 on the DLC / steel contacts by measuring the coefficient of friction.
- Table IV shows the coefficient of friction of the lubricant compositions No. 1, No. 2, No. 4 and No. 6.
- the lubricating composition according to the invention No. 4 has improved friction properties on DLC / steel contacts, compared to a lubricating composition comprising an organomolybdenum compound according to the invention and a compound comprising a dithiophosphate group according to the invention.
- composition No. 2 a lubricating composition comprising a fatty triamine according to the invention but not comprising an organomolybdenum compound according to the invention nor a compound comprising a dithiophosphate group according to the invention.
- the aim is to evaluate the friction properties of lubricant compositions Nos. 1, 2 and 4 on the DLC / steel contacts by measuring the coefficient of friction.
- the coefficient of friction is evaluated using a HFFR DLC ballast / steel plane tribometer under the following conditions:
- a difference of at least 0.01 between two coefficient of friction values is considered significant to show the influence on said coefficient of friction.
- Table V shows the coefficient of friction of the lubricating compositions No. 1, No. 2 and No. 4.
- the aim is to evaluate the friction properties of the lubricant compositions Nos. 1, 3 and 5 on the DLC / steel contacts by measuring the coefficient of friction.
- the coefficient of friction is evaluated according to the method described in test 3.
- a difference of at least 0.01 between two coefficient of friction values is considered significant to show the influence on said coefficient of friction.
- Table VI shows the coefficient of friction of the lubricating compositions No. 1, No. 3 and No. 5.
- Lubricating compositions Nos. 7 to 10 were prepared from the following compounds:
- an organomolybdenum compound 1 an organomolybdenum complex of formula (I-a) in which R 1 represents a hydrocarbon group comprising 11 carbon atoms (Molyvan 855 sold by the company Vanderbilt),
- hydrocarbon group comprising from 16 to 18 carbon atoms (Triameen YT sold by Akzo).
- Lubricating compositions No. 7 to No. 10 are described in Table VII; the percentages given are percentages by mass. Table VII
- Test 5 Evaluation of the friction properties of lubricating compositions on a steel / steel contact
- a difference of at least 0.01 between two coefficient of friction values is considered significant to show the influence on said coefficient of friction.
- Table VIII shows the coefficient of friction of the lubricating compositions No. 7, No. 8, No. 9 and No. 10.
- the lubricant composition according to the invention No. 9 has improved friction properties on steel / steel contacts, in comparison with a lubricating composition comprising an organomolybdenum compound according to the invention and a compound comprising a dithiophosphate group according to the invention but not comprising a fatty triamine according to the invention (composition No. 8), as well as compared to a lubricating composition comprising a fatty triamine according to the invention but not comprising an organomolybdenum compound according to the invention or a compound comprising a dithiophosphate group according to the invention (composition No. 10).
- Test 6 evaluation of the friction properties of lubricating compositions on a steel / diamond contact
- nanocrystalline diamond layer comprising about 75% sp 3 hybridized carbon atoms (purity of about 75%), of thickness equal to 1.5 ⁇ m, with a surface roughness equal to 14 nm, hardness around 74GPa and having a Young's modulus equal to 620GPa,
- Table IX shows the coefficient of friction of the lubricating compositions No. 7, No. 8 and No. 9.
- composition No. 9 has improved friction properties for the steel / diamond contacts, with respect to a lubricating composition comprising an organomolybdenum compound according to the invention and a compound comprising a dithiophosphate group according to the invention. invention but not comprising fatty triamine according to the invention (composition No. 8).
- Test 7 Evaluation of the friction properties of lubricating compositions on a DLC / steel contact
- the coefficient of friction is evaluated according to the method described in test 2.
- a difference of at least 0.01 between two coefficient of friction values is considered significant to show the influence on said coefficient of friction.
- Table X shows the coefficient of friction of the lubricating compositions No. 7, No. 8 and No. 9.
- composition No. 9 has improved friction properties for the DLC / steel contacts, with respect to a lubricating composition comprising an organomolybdenum compound according to the invention and a compound comprising a dithiophosphate group according to the invention. invention but not comprising fatty triamine according to the invention (composition No. 8).
- the set of examples and tests above demonstrate that the presence of a combination of an organomolybdenum compound according to the invention, a compound comprising a dithiophosphate group according to the invention and a fatty triamine according to the invention.
- invention in a lubricating composition makes it possible to give this composition equivalent or even improved friction properties on both steel / steel contacts and on steel / carbon coating contacts, and in particular on steel / nanodiamond contacts but also contacts steel / DLC.
- the presence of such a combination in a lubricating composition also allows the lubricant composition to retain good anti-wear properties, both on steel / steel contacts and on steel / carbon coating contacts, and especially on steel / nanodiamond contacts. but also steel / DLC contacts.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
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- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1362843A FR3014898B1 (fr) | 2013-12-17 | 2013-12-17 | Composition lubrifiante a base de triamines grasses |
| PCT/EP2014/077942 WO2015091466A1 (fr) | 2013-12-17 | 2014-12-16 | Composition lubrifiante a base de triamines grasses |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3083907A1 true EP3083907A1 (fr) | 2016-10-26 |
| EP3083907B1 EP3083907B1 (fr) | 2020-07-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14812525.5A Active EP3083907B1 (fr) | 2013-12-17 | 2014-12-16 | Composition lubrifiante a base de triamines grasses |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20160312144A1 (fr) |
| EP (1) | EP3083907B1 (fr) |
| JP (1) | JP6698020B2 (fr) |
| KR (1) | KR20160099652A (fr) |
| CN (1) | CN105899649B (fr) |
| CA (1) | CA2932957A1 (fr) |
| FR (1) | FR3014898B1 (fr) |
| MA (1) | MA39091B1 (fr) |
| WO (1) | WO2015091466A1 (fr) |
| ZA (1) | ZA201603922B (fr) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016216653A (ja) * | 2015-05-22 | 2016-12-22 | Jxエネルギー株式会社 | 潤滑油組成物及びこれを用いたシステム |
| FR3039165B1 (fr) | 2015-07-23 | 2018-11-30 | Total Marketing Services | Composition lubrifiante a fuel eco longue duree |
| FR3039836B1 (fr) * | 2015-08-06 | 2017-09-15 | Total Marketing Services | Compositions lubrifiantes pour prevenir ou diminuer le pre-allumage dans un moteur |
| FR3048433B1 (fr) * | 2016-03-03 | 2020-03-13 | Total Marketing Services | Composition lubrifiante a base d'amines neutralisees et de molybdene |
| KR102313968B1 (ko) * | 2016-04-08 | 2021-10-15 | 크로다 인터내셔날 피엘씨 | Dlc 표면을 포함하는 윤활 시스템 |
| WO2018139403A1 (fr) * | 2017-01-24 | 2018-08-02 | 株式会社Adeka | Composition d'huile moteur |
| FR3063727B1 (fr) * | 2017-03-10 | 2019-04-19 | Total Marketing Services | Composition lubrifiante pour engrenage |
| FR3065008B1 (fr) * | 2017-04-11 | 2020-04-17 | Total Marketing Services | Procede de lubrification de pieces mecaniques |
| FR3065007B1 (fr) * | 2017-04-11 | 2019-07-05 | Total Marketing Services | Composition lubrifiante notamment pour limiter le frottement |
| US20190270946A1 (en) * | 2018-03-02 | 2019-09-05 | Chevron Oronite Technology B.V. | Lubricating oil composition providing wear protection at low viscosity |
| FR3091874B1 (fr) * | 2019-01-22 | 2024-10-18 | Total Marketing Services | Complexe dinucléaire de molybdène et son utilisation dans des compositions lubrifiantes |
| FR3118630B1 (fr) | 2021-01-06 | 2024-04-19 | Total Marketing Services | Composition lubrifiante ayant une stabilité à froid et des propriétés fuel eco améliorées |
| FR3126711A1 (fr) | 2021-09-03 | 2023-03-10 | Totalenergies Marketing Services | Composition lubrifiante présentant des propriétés d’épaississement à froid améliorées |
| JP7666399B2 (ja) * | 2022-05-16 | 2025-04-22 | 株式会社豊田中央研究所 | 潤滑剤、潤滑組成物および摺動機械 |
| CN120677221A (zh) | 2023-02-09 | 2025-09-19 | 法国特种经营公司 | 组合物作为用于没有离合器的发动机和变速器的油基润滑组合物中的摩擦系数降低剂的用途以及新的增效组合物 |
| EP4559995A1 (fr) * | 2023-11-24 | 2025-05-28 | TotalEnergies OneTech | Composés amines comme agents anti-usure |
| WO2025203365A1 (fr) * | 2024-03-27 | 2025-10-02 | 出光興産株式会社 | Composition d'huile lubrifiante |
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-
2013
- 2013-12-17 FR FR1362843A patent/FR3014898B1/fr not_active Expired - Fee Related
-
2014
- 2014-12-16 WO PCT/EP2014/077942 patent/WO2015091466A1/fr not_active Ceased
- 2014-12-16 JP JP2016540645A patent/JP6698020B2/ja not_active Expired - Fee Related
- 2014-12-16 MA MA39091A patent/MA39091B1/fr unknown
- 2014-12-16 KR KR1020167019009A patent/KR20160099652A/ko not_active Ceased
- 2014-12-16 CN CN201480068656.5A patent/CN105899649B/zh not_active Expired - Fee Related
- 2014-12-16 EP EP14812525.5A patent/EP3083907B1/fr active Active
- 2014-12-16 US US15/105,413 patent/US20160312144A1/en not_active Abandoned
- 2014-12-16 CA CA2932957A patent/CA2932957A1/fr not_active Abandoned
-
2016
- 2016-06-09 ZA ZA2016/03922A patent/ZA201603922B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN105899649A (zh) | 2016-08-24 |
| ZA201603922B (en) | 2017-09-27 |
| WO2015091466A1 (fr) | 2015-06-25 |
| CN105899649B (zh) | 2019-07-12 |
| EP3083907B1 (fr) | 2020-07-01 |
| JP6698020B2 (ja) | 2020-05-27 |
| CA2932957A1 (fr) | 2015-06-25 |
| US20160312144A1 (en) | 2016-10-27 |
| JP2016540867A (ja) | 2016-12-28 |
| FR3014898A1 (fr) | 2015-06-19 |
| KR20160099652A (ko) | 2016-08-22 |
| MA39091A1 (fr) | 2017-09-29 |
| MA39091B1 (fr) | 2018-09-28 |
| FR3014898B1 (fr) | 2016-01-29 |
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