EP2643441A1 - Composition lubrifiante pour moteur - Google Patents
Composition lubrifiante pour moteurInfo
- Publication number
- EP2643441A1 EP2643441A1 EP11794864.6A EP11794864A EP2643441A1 EP 2643441 A1 EP2643441 A1 EP 2643441A1 EP 11794864 A EP11794864 A EP 11794864A EP 2643441 A1 EP2643441 A1 EP 2643441A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyalkylene glycol
- composition according
- bases
- carbon atoms
- lubricating composition
- 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 155
- 239000010705 motor oil Substances 0.000 title claims abstract description 44
- 229920001515 polyalkylene glycol Polymers 0.000 claims abstract description 120
- 239000003599 detergent Substances 0.000 claims abstract description 66
- 239000000654 additive Substances 0.000 claims abstract description 59
- 239000002199 base oil Substances 0.000 claims abstract description 52
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 40
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims abstract description 32
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 22
- 230000000996 additive effect Effects 0.000 claims abstract description 20
- 239000012990 dithiocarbamate Substances 0.000 claims abstract description 18
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 17
- 239000000314 lubricant Substances 0.000 claims abstract description 16
- -1 phenates Chemical class 0.000 claims abstract description 12
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 10
- 238000007334 copolymerization reaction Methods 0.000 claims abstract description 9
- 150000004659 dithiocarbamates Chemical class 0.000 claims abstract description 8
- 150000001412 amines Chemical class 0.000 claims abstract description 7
- 150000003873 salicylate salts Chemical class 0.000 claims abstract 8
- 230000001050 lubricating effect Effects 0.000 claims description 40
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 claims description 24
- 229960001860 salicylate Drugs 0.000 claims description 15
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 claims description 14
- 239000002530 phenolic antioxidant Substances 0.000 claims description 13
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000007866 anti-wear additive Substances 0.000 claims description 8
- 230000003078 antioxidant effect Effects 0.000 claims description 8
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 claims description 8
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 8
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 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 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 239000003879 lubricant additive Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 17
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000002585 base Substances 0.000 description 113
- 150000003902 salicylic acid esters Chemical class 0.000 description 16
- 238000009472 formulation Methods 0.000 description 14
- 229910052500 inorganic mineral Inorganic materials 0.000 description 13
- 239000011707 mineral Substances 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 12
- 238000000034 method Methods 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 10
- 239000002184 metal Substances 0.000 description 10
- 125000000217 alkyl group Chemical group 0.000 description 9
- 229920013639 polyalphaolefin Polymers 0.000 description 9
- DKVNPHBNOWQYFE-UHFFFAOYSA-M carbamodithioate Chemical compound NC([S-])=S DKVNPHBNOWQYFE-UHFFFAOYSA-M 0.000 description 8
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 7
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 7
- 229910052783 alkali metal Inorganic materials 0.000 description 6
- 239000003607 modifier Substances 0.000 description 6
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 6
- 150000001340 alkali metals Chemical class 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 4
- 150000001342 alkaline earth metals Chemical class 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- 235000013824 polyphenols Nutrition 0.000 description 4
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 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 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 229910052791 calcium Inorganic materials 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 150000003335 secondary amines Chemical class 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- VBXHGXTYZGYTQG-MGCNEYSASA-N (2r,3s,4s,5s)-6-(hydroxyamino)-2-(hydroxymethyl)-2,3,4,5-tetrahydropyridine-3,4,5-triol Chemical compound OC[C@H]1N=C(NO)[C@H](O)[C@@H](O)[C@H]1O VBXHGXTYZGYTQG-MGCNEYSASA-N 0.000 description 2
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 230000001186 cumulative effect Effects 0.000 description 2
- 239000007857 degradation product Substances 0.000 description 2
- 239000003623 enhancer Substances 0.000 description 2
- 125000001033 ether group Chemical group 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 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 2
- 239000000178 monomer Substances 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229960004889 salicylic acid Drugs 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005063 solubilization Methods 0.000 description 2
- 230000007928 solubilization Effects 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 229960002317 succinimide Drugs 0.000 description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 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
- 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
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 239000005749 Copper compound Substances 0.000 description 1
- 235000007297 Gaultheria procumbens Nutrition 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
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 241000333569 Pyrola minor Species 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- 125000005595 acetylacetonate group Chemical group 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000002877 alkyl aryl group Chemical group 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 150000001449 anionic compounds Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 125000003710 aryl alkyl group Chemical group 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 150000001509 aspartic acid derivatives Chemical class 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 235000010290 biphenyl Nutrition 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 150000001734 carboxylic acid salts Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000551 dentifrice Substances 0.000 description 1
- 239000000539 dimer Substances 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 150000002306 glutamic acid derivatives Chemical class 0.000 description 1
- 159000000011 group IA salts Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002634 lipophilic molecules Chemical class 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229960001047 methyl salicylate Drugs 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- IAQRGUVFOMOMEM-ONEGZZNKSA-N trans-but-2-ene Chemical compound C\C=C\C IAQRGUVFOMOMEM-ONEGZZNKSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/22—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/24—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol, aldehyde, ketonic, ether, ketal or acetal radical
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/20—Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
- C10M107/30—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M107/32—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
- C10M107/34—Polyoxyalkylenes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/26—Overbased carboxylic acid salts
- C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
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- 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
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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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
- 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
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/74—Noack Volatility
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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
Definitions
- the present invention relates to engine lubricating compositions, in particular for automobile, gasoline or diesel engines.
- the lubricating compositions used as motor oil conventionally comprise from 50 to 90% of base oils, which may be of mineral, synthetic or natural origin, and additives.
- additives are typically detergents, dispersants, antioxidants, viscosity index (VI) improving polymers, friction modifiers, pour point depressants, defoamers, etc.
- the synthetic bases are for example polyalphaolefins, GTL bases obtained for example by Fischer Tropsch processes, or certain esters.
- PAG polyalkylene glycols
- PAG bases in motor oils, especially for automotive engines, has a number of advantages, in particular because of their good tribological and rheological properties, but also because they are polar bases.
- PAGs are mainly known for their use as base fluids in compressor oils in refrigerant systems.
- the state of the The technique contains some examples of other uses of PAGs, for example in motor oils, for example automobile engines or marine engines.
- the application WO2009 / 134716 thus discloses a motor vehicle oil comprising at least one polyalkylene glycol base oil adapted for use in a motor vehicle, combined with an additive package comprising derivatives of aspartic acid, and optionally, antiwear additives, anticorrosion, antioxidants, friction modifiers, defoamers. No mention is made of the presence of detergent additives in said compositions.
- the application WO2009 / 134638 discloses a lubricating composition for an internal combustion engine comprising polyalkyleneglycols obtained by copolymerization of ethylene oxide and alkylene oxide having up to 12 carbon atoms, comprising between 1 and 50 oxide units alkylene, and optionally an improvement polymer of VI. No mention is made of other additives present in the compositions disclosed.
- the application F 2817874 discloses functional fluids for automobiles, especially for automotive engines, comprising polyalkylene glycol bases and a reducing agent, which may be urea. These PAGs are in particular obtained from ethylene oxide and propylene oxide. No specific mention is made of other PAG bases or other additives used in combination with PAG bases.
- US Patent 5,885,555 discloses a composition for the formulation of dentifrices comprising polyalkylene glycol and methyl salicylate, called “wintergreen". This latter compound is in no way similar to the salicylate detergents used in lubricating compositions, for example in motor oils, where the benzene nucleus of salicylic acid comprises hydrocarbon substituents with sufficiently long chains to constitute the lipophilic part of the detergent.
- EP 1 990 400 discloses lubricating compositions for transmissions in marine applications, including a base oil which may be a synthetic or natural oil.
- the synthetic oils may be polyalphaolefins (PAO), various esters of (di) carboxylic acids and alcohols or polyols, alkylbenzene bases, polysilicones, polymeric or copolymeric olefins, polyphenols, diphenyl etheralkyls, diphenylsulphidealalkyls, polyalkylene glycols, FischerTropsch bases.
- These compositions may also comprise at least one metal detergent, which may be chosen from sulphonates, phenates, sulfurized phenates and salicylates. No specific combination of PAG bases with salicylates is disclosed.
- These compositions for marine transmissions have good water emulsification properties as well as anti-wear properties.
- the application JP 2007 204451 discloses a polyalkylene glycol which is a tetraether obtained by polymerization of propylene oxide, as well as a diether, for use as a base oil in lubricating compositions, in particular for motor oils, and in the presence of certain additives, especially detergents.
- the disclosed tetraethers have a relatively low molecular weight, and a low kinematic viscosity at 100 ° C. Their use in engine oil formulations therefore requires their use in combination with other base oils; these tetraethers contain only propylene oxide units, which does not give them a high solubility in oils.
- solubilization or the suspension in these tetraether bases of additives having a lipophilic portion may pose a problem.
- the diether is when it consists of 3 long carbon chains (C6 to C14), delimited by two ether functions.
- the two oxygens of ether functions are distant from 5 carbon atoms.
- These bases are therefore not polyalkylene glycol, where, by nature, the oxygen atoms are distant from 2 carbon atoms, which corresponds to the attack of the epoxy function of the alkylene oxides during the polymerization. It is expected that their behavior, especially in terms of polarity, will not offer the same benefits as the PAG engine formula.
- the Noack volatility measured according to CEC standard L 40-93, is typically less than 15%, preferably less than 13%.
- E l l e is typically between 8 and 15%, or between 10 and 13%.
- the present invention therefore relates to lubricating compositions comprising these specific combinations of PAG bases and additives, as well as to their use as motor oil, especially motor vehicles.
- the present invention also relates to the use of these additives, or packages of additives containing them, in engine oil formulations comprising PAG bases.
- the present invention also relates to the use of these additives, or packages of additives containing them, to reduce the Noack volatility of PAG bases measured according to CEC standard L 40-93. Summary of the invention
- An object of the invention is a lubricating composition comprising
- polyalkylene glycol base oils obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms, of which at least one butylene oxide,
- the polyalkylene glycol base oil (s) (a) are copolymers of butylene oxide and propylene oxide.
- the polyalkylene glycol base oil (s) (a) is obtained by reacting at least one alcohol comprising from 8 to 20 carbon atoms and a mixture of butylene oxide. and propylene oxide, said mixture having a mass ratio of butylene oxide to propylene oxide of between 3: 1 and 1: 3, preferably between 3: 1 and 1: 1.
- the polyalkylene glycol base oil (s) is (are) such that the alcohol (s) making it possible to obtain them comprise from 8 to 12 carbon atoms.
- the polyalkylene glycol base oil (s) (a) are such that the alcohol (s) making it possible to obtain them are chosen from monoalcohols, preferentially from 2-ethylhexanol and / or decanol, preferentially decanol.
- the polyalkyleneglycol base oil (s) (a) have a carbon to oxygen mass ratio of at least 3: 1, preferably between 3: 1 and 6: 1.
- the Noack volatility of the composition according to the invention measured according to the standard CEC L 40-93 is less than 15%, preferably less than 13%.
- the base or bases (a) have a molar mass measured according to the ASTM D2502 standard of between 300 and 1000, preferably between 350 and 600 grams per mole.
- the kinematic viscosity of the polyalkylene glycol bases at 100 ° C. is between 1 and 12 cSt, preferentially between 3 and 7, preferentially between 3, 5 and 6, 5 cSt.
- the polyalkylene glycol base oil (s) (a) is the major component.
- the composition comprises from 20 to 90%, preferably from 25 to 85% of polyalkylene glycol base oil (s) (a). According to one embodiment of the invention, the composition comprises at least one salicylate as detergent (b).
- the composition is free of sulfonate detergent.
- the composition is free of anti-wear additive of the dithiophosphate type, in particular zinc dithiophosphate.
- the composition further comprises an amino antioxidant and / or a phenolic antioxidant.
- Another subject of the invention relates to the use of a lubricating composition as defined above as engine oil, preferably as an engine oil for motor vehicles, gasoline or diesel.
- Still another object of the invention is the use of an additive package comprising:
- At least one anti-wear of the dithiocarbamate type is provided.
- At least one amino or phenolic antioxidant At least one amino or phenolic antioxidant
- an engine lubricant additive package comprising polyalkylene glycol bases obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms, preferably of which at least one butylene oxide.
- the polyalkylene glycol bases are the polyalkylene glycol bases (a) as defined above.
- the additive package is free of anti-wear additives of the dithiophosphate type, in particular zinc dithiophosphate.
- the additive package it is free of sulfonate detergents.
- the engine lubricant generally comprises the above-mentioned glyco (a) such as those previously mentioned.
- the engine lubricant exclusively comprises the polyalkylene glycol bases (a) as defined previously as base oils.
- the engine lubricant comprises from 20 to 90%, preferably from 25 to 85% of polyalkylene glycol base oil (s) as defined above.
- Another subject of the invention also relates to the use of at least one additive chosen from salicylates, phenates, dithiocarbamates, aminated or phenolic antioxidants, preferably from salicylates or phenates, to reduce the Noack volatility measured according to CEC standard L 40-93, base oils of polyalkylene glycol type, obtained from alkylene oxides comprising from 3 to 8 carbon atoms, of which at least one butylene oxide, preferably polyalkylene glycol bases; (a) as defined above.
- Another object of the invention relates to a method of lubricating an engine comprising the use of the lubricant composition as defined above.
- the engine is an engine for motor vehicles, preferably gasoline or diesel.
- Another subject of the invention relates to a package of additives for use in polyalkylene glycol bases obtained by polymerization or copolymerization of alkylene oxides comprising from 3 to 8 carbon atoms, preferably of which at least one butylene oxide , said package of additives comprising
- At least one anti-wear of the dithiocarbamate type is provided.
- At least one amino or phenolic antioxidant At least one amino or phenolic antioxidant. Another subject of the invention relates to a method for reducing volatility.
- a polyalkylene glycol base oil obtained from alkylene oxides comprising from 3 to 8 carbon atoms, at least one butylene oxide, preferably wherein the polyalkylene glycol (a) bases are as defined above, wherein at least one additive is added to said polyalkylene glycol base oil, said additive being selected from salicylates, phenates, dithiocarbamates, antioxidants amino or phenolic, more preferably from salicylates or phenates.
- the polyalkylene glycol bases (a) compositions according to the invention have properties suitable for use in a motor oil. These are polymers or copolymers (statistics or blocks) of alkylene oxides, for example prepared according to the known methods described in application WO 2009/134716, page 2 line 26 to page 4 line 12, for example by etching. an alcohol initiator on the epoxy bond of an alkylene oxide and propagation of the reaction.
- polyalkylene glycol (PAG) bases of the compositions according to the invention correspond to the general formula (A):
- Y 1 and Y 2 are, independently of each other, hydrogen, or a hydrocarbon group, for example an alkyl or alkylphenyl group, having 1 to 30 carbon atoms, n is a whole equal to 2, preferably greater than 60, preferably between 5 and 30, preferably between 7 and 15, x represents one or more integers between 1 and n, the groupings R 2x 1 and R 2x are independently of each other, hydrogen or hydrocarbon radicals, com Prena nt between 1 and 6 carbon ca rbone, the preferential ly al kyl and R 2x is preferably hydrogen, the sum of the numbers of carbon atoms of R 2x -i and R 2x is between 1 and 6.
- the sum of the carbon number of R 2x _i and R 2x is equal to 4.
- the alkylene oxides used for the PAG bases of the compositions according to the invention contain between 3 and 8 carbon atoms, of which at least one butylene oxide, the said butylene oxide being 1,2-butylene oxide or 2, Butylene 3-oxide, preferably 1,2-butylene oxide.
- the PAG obtained (in part) from ethylene oxide do not have a sufficient lipophilic character to be used in engine oil formulations.
- they can not be used in combination with other mineral, synthetic or natural base oils.
- Neutral or overbased detergents which are essential for the formulation of lubricants which guarantee engine cleanliness, can not be solubilized or suspended in these PAG bases obtained (partly) from ethylene oxide.
- alkylene oxides comprising more than 8 carbon atoms is also not desired because, to produce bases having the molar mass and therefore the targeted viscosimetric grade for the motor applications, then there will be a number of reduced monomers (n low in formula (A) above), with long R2x-1 and R2x side chains. This adversely affects the overall linear character of the PAG molecule and leads to viscosity indices (VI) that are too low for engine oil application.
- compositions according to the invention are obtained from alkylene oxides comprising at least one butylene oxide.
- copolymers of butylene oxide (BO) and propylene oxide (PO) are particularly preferred because they have both the good tribological and rheological properties of PAG containing ethylene oxide units and and / or polypropylene, and good solubility in conventional mineral, synthetic, and natural bases, and other oily compounds.
- bases are prepared conventionally, by reaction of one or more alcohols with a mixture of butylene oxide and propylene oxide.
- the PAG bases prepared with a mixture where this ratio is between 3: 1 and 1: 1 are particularly well miscible and soluble in the alkaline, alkaline, and alkaline salts.
- the PAG bases of the compositions according to the invention are prepared from alcohol containing from 8 to 12 carbon atoms. 2-ethylhexanol and dodecanol, alone or in a mixture, and in particular dodecanol, are particularly preferred since the PAG bases prepared from these alcohols have very low traction coefficients.
- the PAG bases of the compositions according to the invention are such that their molar carbon to oxygen ratio is greater than 3: 1, preferably between 3: 1 and 6: 1. This gives said PAG bases polarity and viscosity index properties particularly suitable for use in motor oil.
- the molar mass, measured according to the ASTM D2502 standard, of the PAG bases of the compositions according to the invention is preferably between 300 and 1000 grams per mole (g / mol), preferably between 350 and 600 g / mol (that is why they contain a limited number of alkylene oxide units n as described above in formula (A)).
- KV100 of the compositions is measured according to ASTM D445.
- the PAG bases are preferably used as the basic bases in the motor vehicle lubricating compositions according to the invention, where they are preferably combined with VI viscosity index improving polymers and / or other heavier bases.
- light PAG (a) bases (KV100 approximately between 2 and 6.5 cSt) is preferably chosen in the compositions according to the invention, in order to be able to more easily formulate cold-grade multi-grade oils 5W or 0W according to the classification.
- SAEJ300 because the heavier PAG (a) bases have cold properties (high CCS) which do not easily reach these grades.
- the PAG (a) bases in particular those with KV100 values between 3.5 and 4.5 cSt, of the order of 4 cSt, have Noack volatilities according to the CEC standard L 40-93 of the order of 35 to 40%, which is very high, and can not be caught up in the formula with improving polymers of viscosity index VI or other less volatile bases.
- the lubricant compositions according to the invention preferentially have a Noack volatility, measured according to the CEC L 40-93 standard, of less than 15%, preferably less than 13%. It is typically between 8 and 15%, or between 10 and 13%.
- the base (s) PAG (a) is the majority base (s).
- the weight percentage of the base PAG (a), or the mass percentage of the cumulative PAG (a) bases is greater than the mass percentage of each of the other bases present in the compositions according to the invention; the percentages by weight being expressed relative to the total weight of lubricating composition.
- the base (s) PAG (a) is the (the) component (s) majority (s).
- the weight percentage of the base PAG (a), or the mass percentage of the cumulative PAG (a) bases is greater than the mass percentage of each of the other components present in the compositions. according to the invention; the percentages by weight being expressed relative to the total weight of lubricating composition.
- the base or bases PAG (a) represent between 20% and 90% by weight, preferably between 25% and 85% by weight, preferably between 30 and 80% by weight. or between 50 and 75% by weight of the lubricating compositions according to the invention.
- the detergents used in the lubricant compositions according to the present invention are well known to those skilled in the art.
- the detergents commonly used in the formulation of lubricating compositions are typically anionic compounds having a long lipophilic hydrocarbon chain (typically comprising at least 9, preferably at least 12 carbon atoms) and a hydrophilic head.
- the associated cation is typically a metal cation of an alkali metal, preferably lithium, sodium or potassium.
- the detergents (b) of the compositions according to the invention are chosen from alkali metal or alkaline-earth metal salts of the salicylate and phenate type.
- These metal salts may contain the metal in an approximately stoichiometric amount.
- neutral detergents we speak of non-overbased or "neutral” detergents, although they also bring some basicity.
- These "neutral" detergents are typically a BN, measured according to ASTM D2896, less than 150 mg KOH / g, or less than 100, or even less than 80 mg KOH / g.
- BN is high, greater than 150 mg KOH / g, typically between 200 and 700 mg KOH / g, generally between 250 and 450 mg KOH / g.
- the excess metal providing the overbased detergent character is in the form of oil insoluble metal salts, for example carbonate, hydroxide, oxalate, acetate, glutamate, preferably carbonate.
- the overbased detergents are thus in the form of micelles composed of insoluble metal salts maintained in suspension in the lubricating composition by the detergents in the form of oil-soluble metal salts.
- the lubricating compositions according to the invention contain at least one salicylate detergent or at least one alkali or alkaline earth metal phenate detergent, neutral or overbased with the above-mentioned oil-insoluble metal salts. According to one embodiment, they contain at least one salicylate detergent and at least one phenate detergent.
- the amounts of detergents included in the lubricating compositions according to the invention are adjusted so that the BN of said compositions, measured according to the ASTM D2896 standard, is between 3 and 12 mg of KOH per gram of lubricant, preferentially understood. between 5 and 10, preferably between 6 and 9 mg of KOH per gram of lubricant.
- the amount of phenate and / or salicylate detergents included in the lubricating compositions according to the invention is between 0.2 and 1.5%, preferably between 0.5 and 2% by weight.
- the salicylates and phenates used as detergents (b) in the lubricating compositions according to the invention are prepared from salicylic acid and phenol derivatives corresponding respectively to formulas (I) and (II) below:
- X 1 , X 2 , X 3 , X 4 , X 5 are either hydrogen or hydrocarbon radicals, preferentially alkyl, or alkylaryl, or arylalkyl, and at least one of the groups X x , X 2 , X 3 , X 4 , X 5 is a hydrocarbon radical having sufficient carbon atoms (typically at least about 9 carbon atoms, preferably at least 12 carbon atoms), to give the salicylate an oil-soluble character, and M is an alkali metal.
- One of the groups X 1 to X 5 may for example be an alkyl group, linear or branched comprising at least 9 carbon atoms, preferably between 10 and 160, preferably between 12 and 40, preferably between 14 and 28 carbon atoms.
- at least one of the groups X 1 to X 5 is a linear alkyl comprising at least 9 carbon atoms, preferably between 10 and 160, preferably between 12 and 40, preferentially between 14 and 28 atoms or between 18 and 24 carbon atoms.
- These detergents may be neutral or overbased with oil-insoluble alkali metal salts such as carbonates, hydroxides, oxalates, acetates, glutamates.
- oil-insoluble alkali metal salts such as carbonates, hydroxides, oxalates, acetates, glutamates.
- the detergents (b) of the compositions according to the invention may be salicylates, neutral or overbased, corresponding to the formulas (III), (IV), (V), below, where X x , X 2 , X 3 , X 4 , X 5 are as defined above, and X 6 and X 7 also have the same meaning, Mi is an alkali metal, preferably selected from sodium, potassium, lithium, and M 2 is an alkaline earth metal, preferably selected from calcium or magnesium.
- the detergents of formula (III) and the methods for producing them are described, for example, in patent application EP 1 548 089.
- the detergents of formula (IV) and (V) and the methods for producing them are described, for example, in US applications. 6, 348, 438, and WO 2004/041767, and EP 0786 448.
- the application WO 2004/009747 also describes alkaline earth metal salicylate detergents usable as detergent (b) in the compositions according to the invention.
- compositions of the invention may be phenates, neutral or overbased, of the formulas (VI), (VII), (VIII), below, wherein X x, X 2, X 3, X 4 , X 5 , X 6 , X 7 are as defined above, and X 8 and X 9 also have the same meaning, Mi is an alkali metal, preferably selected from sodium, potassium, lithium, and M 2 is an alkaline earth metal, preferably selected from calcium or magnesium.
- Sulfurized derivatives of the salicylates and phenates described above can also be used as detergents (b). These sulfurized derivatives and methods for producing them are described, for example, in applications EP 2 055 761 and EP 0786 448. This latter application also describes mixed detergents phenates salicylates. sulfurized compounds, corresponding to formula (IX), which can also be used as detergents (b) in the compositions according to the invention.
- M 2 and M 3 are alkaline earth metals, preferably selected from calcium or magnesium.
- salicylate and phenate detergents (b) may be used alone or as a mixture. They may be present in combination with other detergents known to those skilled in the art, such as for example other carboxylates.
- other detergents known to those skilled in the art, such as for example other carboxylates.
- compositions according to the invention are free of sulfonate detergents.
- the lubricant compositions according to the invention may contain one or more dithiocarbamate additives (c).
- Dithiocarbamates are well known to those skilled in the art as multifunctional additives for lubricants, providing in particular antiwear properties, but also antioxidant, extreme pressure and friction modifier.
- Ditiocarbamates used in the compositions according to the invention are for example described in applications EP 1730107, WO 2005/007786, US Pat.
- compositions according to the invention may also contain molybdenum dithiocarbamates, friction modifier additives for motor oils well known to those skilled in the art.
- These organometallic friction modifiers molybdenum dithiocarbamate can for example satisfy the formula (XI):
- X11, X12, X13, X14 are alkyl chains, preferably having 8 to 13 carbon atoms.
- dithiocarbamates (c) may be used alone or as a mixture. They may be present in combination with other antiwear, extreme pressure or friction modifier additives known to those skilled in the art. It is however preferable to avoid the presence of anti-wear additives of the dithiophosphate type, in particular zinc dithiophosphates, which are difficult to solubilize in the PAG bases, in particular when the PAG base (s) constitute the (the) only oils. of the composition, or the majority base oil (s), or when the PAG base (s) constitute at least 20% by weight of the lubricating composition.
- anti-wear additives of the dithiophosphate type in particular zinc dithiophosphates, which are difficult to solubilize in the PAG bases, in particular when the PAG base (s) constitute the (the) only oils. of the composition, or the majority base oil (s), or when the PAG base (s) constitute at least 20% by weight of the lubricating composition.
- compositions according to the invention are free from anti-wear of the dithiophosphate type, in particular zinc dithiophosphates.
- the lubricant compositions according to the invention may optionally comprise amine or phenolic antioxidants, alone or as a mixture.
- the phenolic antioxidants of the compositions according to the invention are phenols substituted on at least one of their ortho positions, preferably both, with alkyl groups comprising from 1 to 10 carbon atoms, for example methyl, isopropyl or tert-butyl groups, preferentially from 1 to 3 carbon atoms. They can also be used in the form of dimers.
- the aminated antioxidants of the compositions according to the invention are secondary amines in which the nitrogen atom is connected to at least one aryl group.
- they are secondary amines of formula 8-NH-9, where R8 and R9 are, independently of one another: A phenyl group, optionally substituted, preferably para to the amine function, with alkyl or alkenyl groups containing from 1 to 10 carbon atoms, preferably from 1 to 3 carbon atoms,
- a naphthyl group optionally substituted, with alkyl or alkenyl groups containing from 1 to 10 carbon atoms, preferably from 1 to 3 carbon atoms.
- R9 forms with the nitrogen atom of the amino function and the R8 ring a C6 heterocycle, optionally substituted with alkyl groups.
- the lubricating compositions according to the present invention may comprise, in combination with the PAG bases (a) described above, one or more other base oils, which may be oils of mineral or synthetic origin groups I to V according to classes defined in the API classification (or their equivalents according to the ATIEL classification) as summarized below, alone or in mixture.
- oils may be oils of vegetable, animal or mineral origin.
- the mineral base oils of the compositions according to the invention include all types of bases obtained by atmospheric and vacuum distillation of crude oil, followed by refining operations such as solvent extraction, desalphating, solvent dewaxing, hydrotreatment, hydrocracking and hydroisomerization, hydrofinishing.
- the other base oils of the compositions according to the present invention can also be synthetic oils, such as certain esters of carboxylic acids and alcohols, GTL bases which can be obtained by hydroisomerization of a Fisher-Tropsch wax, or polyalphaolefins.
- the polyalphaolefins used as base oils for example, are obtained from monomers having from 4 to 32 carbon atoms (for example octene, decene), and have a viscosity at 100 ° C of between 1.5 and 15 cSt. Their weight average molecular weight is typically between 250 and 3000.
- the lubricant compositions according to the present invention have a kinematic viscosity at 100 ° C.
- compositions according to the present invention are grade 5W or 0W multigrade oils according to the SAEJ300 classification.
- compositions according to the present invention also preferably have a VI viscosity index greater than 130, preferably greater than 150, preferably greater than 160.
- the lubricant compositions according to the invention may also contain any type of additive adapted to their use, in particular as motor oil, preferably a motor vehicle engine.
- additives can be added individually, or in the form of additive packages, guaranteeing a certain level of performance to the lubricating compositions, as required, for example by the ACEA (Association of European Automobile Manufacturers). limitatively:
- dispersants for example succinimides, PIB (polyisobutene) succinimides, Mannich bases. They ensure the suspension and evacuation of insoluble solid contaminants consisting of secondary oxidation products that form when the engine oil is in use;
- antioxidants which retard the degradation of hu iles in service, which can result in the formation of deposits, the presence of sludge, or an increase in the viscosity of the oil. They act as free radical inhibitors or destroyers of hydroperoxides.
- the antioxidants are the antioxidants of the above-mentioned type, which are usually not co-b ate.
- One of the key antioxidants is that of oil-soluble copper compounds, for example copper thio- or dithiophosphates, copper and carboxylic acid salts, dithiocarbamates, sulphonates, phenates, acetylacetonates, and the like. copper.
- the copper salts I and II, succinic acid or anhydride are used.
- anti-wear additives which protect the suffaces in friction by forming a protective film adsorbed on these surfaces.
- This category includes various phosphorus, sulfur, nitrogen, chlorine and boron compounds. and also antifoam, viscosity index VI improving polymers, pour point droppers, corrosion inhibitors, etc.
- Table 1 relates to PAG and mineral base oils, alone or as a mixture.
- A is a polyalkylene glycol base (PAG), obtained from alkylene oxides, in particular butylene oxide, in particular butylene oxide (BO) and propylene oxide (PO), with a mass ratio 50/50 BO / PO, molar mass 388 g / mol according to ASTM D2502, kinematic viscosity at 100 ° C (KV100) of 3,982 mm 2 / s according to ASTM D445, viscosity number ( VI) of 118. Its Noack volatility is very high (39.4%), compared to that of a mixture of mineral bases of group III (cf table 1, Al, Noack of 11.2%).
- a base mixture PAG A with mineral bases group II I makes it possible to obtain an intermediate Noack volatility (see table 1, A2, Noack of 22%).
- Table 2 relates to compositions comprising PAG bases alone or in the presence of additives.
- compositions B1 and B3 are compositions according to the invention containing an additive package which comprises a salicylate detergent, a dithiocarbamate anti-wear agent, an amino antioxidant and a phenolic antioxidant.
- Their Noack volatility is of the order of magnitude of that of known engine oils.
- composition B1 comprises a mixture of PAG bases and of group III mineral bases comparable to the mixture of A2 bases.
- Composition B2 also comprises a mixture of PAG bases and Group III mineral bases comparable to the A2 base mixture.
- B2 does not include salicylate or phenate additives, and is not according to the invention.
- B2 on the other hand, comprises a viscosity VI improving polymer.
- Compositions C to K contain PAG base A combined with various additives.
- compositions F and G are compositions according to the invention. Their volatility
- Noack is of the order of magnitude of those of light base oils conventionally used in the formulation of motor oils.
- the samples H, J, K also have a Noack volatility strongly lower compared to the base A, thanks to the respective presence of dithiocarbamate, antioxidant amine, phenolic antioxidant, and confirm the possibility of using these additives according to the invention to lower the Noack volatility of a PAG base comprising at least one butylene oxide unit.
- L is a polyalkylene glycol (PAG) base, obtained from ethylene oxide and propylene oxide, with a molar mass of 388 g / mol, a KV 100 of 3,981 mm 2 / s, and a viscosity index of VI 119. Its volatility Noack is very high (37.4%).
- PAG polyalkylene glycol
- composition M which contains the base L and a phenolic antioxidant, has its volatility greatly reduced, at a level of the order of magnitude of those of light base oils conventionally used in the formulation of motor oils.
- Sample N demonstrates that base L does not solubilize salicylate detergents.
- O is a polyalkylene glycol base (PAG), obtained from propylene oxides
- Composition P contains base O and 1% phenate detergent.
- Sample P demonstrates that the base O which does not contain butylene oxide units, does not solubilize detergents, especially phenates, unlike the base A in sample F.
- Composition B5 comprises base O in a motor oil formulation. Again, this sample, B5 shows that the base O does not solubilize the packets of additives traditionally used and / or that the base O is not compatible with the base oils traditionally used.
- composition B4 which comprises the base L da ns engine oil formulation.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1059815A FR2968011B1 (fr) | 2010-11-26 | 2010-11-26 | Composition lubrifiante pour moteur |
PCT/IB2011/055269 WO2012070007A1 (fr) | 2010-11-26 | 2011-11-24 | Composition lubrifiante pour moteur |
Publications (2)
Publication Number | Publication Date |
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EP2643441A1 true EP2643441A1 (fr) | 2013-10-02 |
EP2643441B1 EP2643441B1 (fr) | 2018-02-21 |
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EP11794864.6A Active EP2643441B1 (fr) | 2010-11-26 | 2011-11-24 | Composition lubrifiante pour moteur |
Country Status (12)
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---|---|
US (1) | US9546335B2 (fr) |
EP (1) | EP2643441B1 (fr) |
JP (1) | JP5992915B2 (fr) |
KR (1) | KR101839940B1 (fr) |
CN (1) | CN103249821B (fr) |
AR (1) | AR084010A1 (fr) |
BR (1) | BR112013012777A2 (fr) |
CA (1) | CA2819326A1 (fr) |
FR (1) | FR2968011B1 (fr) |
MX (1) | MX344099B (fr) |
RU (1) | RU2604722C2 (fr) |
WO (1) | WO2012070007A1 (fr) |
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FR3005474B1 (fr) | 2013-05-07 | 2016-09-09 | Total Raffinage Marketing | Lubrifiant pour moteur marin |
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-
2011
- 2011-11-24 US US13/988,902 patent/US9546335B2/en active Active
- 2011-11-24 MX MX2013005838A patent/MX344099B/es active IP Right Grant
- 2011-11-24 KR KR1020137013366A patent/KR101839940B1/ko active IP Right Grant
- 2011-11-24 EP EP11794864.6A patent/EP2643441B1/fr active Active
- 2011-11-24 JP JP2013540471A patent/JP5992915B2/ja not_active Expired - Fee Related
- 2011-11-24 WO PCT/IB2011/055269 patent/WO2012070007A1/fr active Application Filing
- 2011-11-24 CN CN201180056789.7A patent/CN103249821B/zh active Active
- 2011-11-24 CA CA2819326A patent/CA2819326A1/fr not_active Abandoned
- 2011-11-24 BR BR112013012777A patent/BR112013012777A2/pt not_active IP Right Cessation
- 2011-11-24 RU RU2013122958/04A patent/RU2604722C2/ru not_active IP Right Cessation
- 2011-11-25 AR ARP110104414A patent/AR084010A1/es not_active Application Discontinuation
Non-Patent Citations (1)
Title |
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See references of WO2012070007A1 * |
Also Published As
Publication number | Publication date |
---|---|
US9546335B2 (en) | 2017-01-17 |
FR2968011A1 (fr) | 2012-06-01 |
AR084010A1 (es) | 2013-04-17 |
RU2604722C2 (ru) | 2016-12-10 |
JP2013543924A (ja) | 2013-12-09 |
RU2013122958A (ru) | 2015-01-10 |
CN103249821B (zh) | 2015-04-08 |
JP5992915B2 (ja) | 2016-09-14 |
KR20140017498A (ko) | 2014-02-11 |
KR101839940B1 (ko) | 2018-05-04 |
MX344099B (es) | 2016-12-05 |
US20130244917A1 (en) | 2013-09-19 |
WO2012070007A1 (fr) | 2012-05-31 |
MX2013005838A (es) | 2014-03-05 |
CA2819326A1 (fr) | 2012-05-31 |
FR2968011B1 (fr) | 2014-02-21 |
EP2643441B1 (fr) | 2018-02-21 |
CN103249821A (zh) | 2013-08-14 |
BR112013012777A2 (pt) | 2016-09-13 |
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