JP2013040342A - 相乗効果のある有機タングステン酸塩成分を用いた潤滑性酸化防止組成物 - Google Patents
相乗効果のある有機タングステン酸塩成分を用いた潤滑性酸化防止組成物 Download PDFInfo
- Publication number
- JP2013040342A JP2013040342A JP2012227917A JP2012227917A JP2013040342A JP 2013040342 A JP2013040342 A JP 2013040342A JP 2012227917 A JP2012227917 A JP 2012227917A JP 2012227917 A JP2012227917 A JP 2012227917A JP 2013040342 A JP2013040342 A JP 2013040342A
- Authority
- JP
- Japan
- Prior art keywords
- lubricating composition
- tungsten
- secondary diarylamine
- carbon atoms
- tungstate
- 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 42
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 21
- 239000003963 antioxidant agent Substances 0.000 title abstract description 24
- 230000003078 antioxidant effect Effects 0.000 title abstract description 24
- 150000003839 salts Chemical class 0.000 title 1
- 230000002195 synergetic effect Effects 0.000 title 1
- 125000005266 diarylamine group Chemical group 0.000 claims abstract description 32
- 150000001875 compounds Chemical class 0.000 claims abstract description 11
- 239000000654 additive Substances 0.000 claims abstract description 7
- 239000010687 lubricating oil Substances 0.000 claims abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 55
- 229910052721 tungsten Inorganic materials 0.000 claims description 24
- 239000010937 tungsten Substances 0.000 claims description 24
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical group O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 claims description 18
- -1 bis-substituted succinimide Chemical class 0.000 claims description 17
- PBYZMCDFOULPGH-UHFFFAOYSA-N tungstate Chemical compound [O-][W]([O-])(=O)=O PBYZMCDFOULPGH-UHFFFAOYSA-N 0.000 claims description 15
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 8
- ZNOKGRXACCSDPY-UHFFFAOYSA-N tungsten trioxide Chemical compound O=[W](=O)=O ZNOKGRXACCSDPY-UHFFFAOYSA-N 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 6
- QWMFKVNJIYNWII-UHFFFAOYSA-N 5-bromo-2-(2,5-dimethylpyrrol-1-yl)pyridine Chemical compound CC1=CC=C(C)N1C1=CC=C(Br)C=N1 QWMFKVNJIYNWII-UHFFFAOYSA-N 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 2
- 229920002873 Polyethylenimine Polymers 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 2
- 125000002947 alkylene group Chemical group 0.000 claims description 2
- 125000006294 amino alkylene group Chemical group 0.000 claims description 2
- 125000003710 aryl alkyl group Chemical group 0.000 claims description 2
- 125000003118 aryl group Chemical group 0.000 claims description 2
- 239000011575 calcium Substances 0.000 claims description 2
- 229910052791 calcium Inorganic materials 0.000 claims description 2
- XAYGUHUYDMLJJV-UHFFFAOYSA-Z decaazanium;dioxido(dioxo)tungsten;hydron;trioxotungsten Chemical compound [H+].[H+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].[NH4+].O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O.[O-][W]([O-])(=O)=O XAYGUHUYDMLJJV-UHFFFAOYSA-Z 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- 125000001400 nonyl 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])[H] 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000005461 lubrication Methods 0.000 claims 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- 239000000314 lubricant Substances 0.000 abstract description 6
- 239000002270 dispersing agent Substances 0.000 description 33
- 229920000768 polyamine Polymers 0.000 description 20
- 239000003921 oil Substances 0.000 description 19
- 229960002317 succinimide Drugs 0.000 description 18
- 229920002367 Polyisobutene Polymers 0.000 description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 13
- 238000007254 oxidation reaction Methods 0.000 description 13
- 238000002360 preparation method Methods 0.000 description 13
- 239000010734 process oil Substances 0.000 description 12
- 230000003647 oxidation Effects 0.000 description 11
- 239000002199 base oil Substances 0.000 description 10
- 230000001590 oxidative effect Effects 0.000 description 10
- 239000011541 reaction mixture Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 238000004821 distillation Methods 0.000 description 8
- 239000010705 motor oil Substances 0.000 description 8
- 238000003756 stirring Methods 0.000 description 8
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 8
- 239000005909 Kieselgur Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000002253 acid Substances 0.000 description 7
- 150000001412 amines Chemical class 0.000 description 7
- 150000001735 carboxylic acids Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 125000001183 hydrocarbyl group Chemical group 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 3
- 150000001408 amides Chemical class 0.000 description 3
- 239000007866 anti-wear additive Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003209 petroleum derivative Substances 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 3
- 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 2
- UJOBWOGCFQCDNV-UHFFFAOYSA-N 9H-carbazole Chemical compound C1=CC=C2C3=CC=CC=C3NC2=C1 UJOBWOGCFQCDNV-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- DZBUGLKDJFMEHC-UHFFFAOYSA-N acridine Chemical compound C1=CC=CC2=CC3=CC=CC=C3N=C21 DZBUGLKDJFMEHC-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003607 modifier Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- PDEDQSAFHNADLV-UHFFFAOYSA-M potassium;disodium;dinitrate;nitrite Chemical group [Na+].[Na+].[K+].[O-]N=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PDEDQSAFHNADLV-UHFFFAOYSA-M 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000007655 standard test method Methods 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical class OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 238000004448 titration Methods 0.000 description 2
- 238000005292 vacuum distillation Methods 0.000 description 2
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 description 1
- TZMSYXZUNZXBOL-UHFFFAOYSA-N 10H-phenoxazine Chemical compound C1=CC=C2NC3=CC=CC=C3OC2=C1 TZMSYXZUNZXBOL-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 125000002015 acyclic group Chemical group 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- XYOVOXDWRFGKEX-UHFFFAOYSA-N azepine Chemical compound N1C=CC=CC=C1 XYOVOXDWRFGKEX-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 150000001923 cyclic compounds Chemical class 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 238000000113 differential scanning calorimetry Methods 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 150000004659 dithiocarbamates Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- PZFYOFFTIYJCEW-UHFFFAOYSA-N n-tridecyltridecan-1-amine Chemical compound CCCCCCCCCCCCCNCCCCCCCCCCCCC PZFYOFFTIYJCEW-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002895 organic esters Chemical class 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 238000006864 oxidative decomposition reaction Methods 0.000 description 1
- VVRQVWSVLMGPRN-UHFFFAOYSA-N oxotungsten Chemical compound [W]=O VVRQVWSVLMGPRN-UHFFFAOYSA-N 0.000 description 1
- 239000010690 paraffinic oil Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003918 potentiometric titration Methods 0.000 description 1
- 150000003141 primary amines Chemical class 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000011885 synergistic combination Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- SXYOAESUCSYJNZ-UHFFFAOYSA-L zinc;bis(6-methylheptoxy)-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].CC(C)CCCCCOP([S-])(=S)OCCCCCC(C)C.CC(C)CCCCCOP([S-])(=S)OCCCCCC(C)C SXYOAESUCSYJNZ-UHFFFAOYSA-L 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
- C10M141/12—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 compound containing atoms of elements not provided for in groups C10M141/02 - C10M141/10
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- 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
- C10M141/06—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 nitrogen-containing compound
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
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- 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
-
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- 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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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/043—Mannich bases
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- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
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- 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
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/108—Phenothiazine
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- 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
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- 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
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- 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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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Abstract
【解決手段】潤滑性組成物が大部分量の潤滑性オイルおよび0.1〜5.0質量%の添加剤をベースとしており、その添加剤が第二ジアリールアミアミンおよび有機タングステン酸アンモニウムを含む添加剤に関する。
【選択図】なし
Description
特に好ましいものは、800〜2,500g/モルの範囲の分子量を有するポリイソブテニルや、トリエチレンテトラミン、テトラエチレンペンタミンおよびその混合物などのポリエチレンアミンから誘導されるスクシンイミド分散剤である。モノ置換スクシンイミド分散剤の具体的な市販品の例は、Chevron ORONITE(登録商標)OLOA371およびOLOA11,000、OLOA371の濃縮体である。ビス置換スクシンイミド分散剤の具体的な例は、Afton Chemicalから供給されているHiTEC(登録商標)644である。
タングステン酸ナトリウム二水和物(132.0g)を250.0gの水の中に溶解し、次いで138.7gの26.8%硫酸溶液で徐々に酸性化する。次いで、150gヘプタン中のジ(C11〜C14分枝鎖および直鎖アルキル)アミン(97.7%;157.9g)の溶液を、濁った淡黄色タングステン溶液に激しく攪拌しながら一括してチャージする。次いで反応混合物を30分間還流加熱し、続いて水相を分離し、有機相をロータリーエバポレーターに移し、そこで溶媒を除去する。残留固形物をろ取する。次いで生成物を透明な黄色の粘性オイルとして得る。タングステン含量は29.5質量%と測定された。
タングステン酸ナトリウム二水和物(33.0g)を75.0gの水の中に溶解し、次いで、35.3gの28%硫酸溶液で徐々に酸性化する。105.8gのモノ−スクシンイミド分散剤(OLOA(登録商標)371;プロセスオイル中に46.7%有効分;TBN=53.0)と65.0gのプロセスオイルの溶液を50℃に加温し、濁った淡黄色のタングステン溶液に、激しく攪拌しながら4滴のAntiformB(登録商標)と一緒に一括してチャージする。次いで、水の約75%が留去するまで反応混合物を還流加熱する。次いで徐々に真空をかけ、温度を125〜130℃に上げ、30分間保持する。次いで反応混合物を、珪藻土を通して熱時ろ過して透明な粘性の暗琥珀色のオイルを得る。タングステン含量は9.67質量%と測定された。
46.9gの分散剤(OLOA(登録商標)11000;プロセスオイル中に71.2%有効分;TBN=76.3)と64.5gのプロセスオイルの溶液に、16.0gのタングステン酸と16.0gの水をチャージする。次いで攪拌溶液を100℃で10分間加熱し、留出液を集めながら、1時間で徐々に160℃に加熱する。蒸留が停まったら、系に真空をかけ、攪拌しながら、反応混合物が褐色になるまで160℃で反応を続行する。次いで珪藻土を通して熱時ろ過する。タングステン含量は5.31%と測定された。
50.2gの分散剤(プロセスオイル中に60%有効分;PIBMW=2100;TBN=87.8)と50.1gのプロセスオイルの溶液に、7.6gのタングステン酸と7.6gの水をチャージする。次いで攪拌スラリーを120℃に加熱し、水の蒸留を開始させる。次いで温度を160℃へ徐々に上げ、蒸留の進行にしたがって、反応液は緑色に変化し始める。蒸留が停まったら、系に真空をかけ、攪拌しながら反応混合物が褐色になるまで160℃で反応を続行する。次いで珪藻土を通して熱時ろ過する。タングステン含量は2.6質量%と測定された。
46.5gのモノ−スクシンイミド分散剤(プロセスオイル中に60%有効分;PIBMW=2100;TBN=44.30)と46.5gのプロセスオイルの溶液に、9.0gのタングステン酸と10.6gの水をチャージする。次いで攪拌スラリーを還流下で160℃に徐々に加熱する。160℃で留出液を集めると、黄色がかった緑色に色が変化する。蒸留が停まったら、系に真空をかけ、攪拌しながら、反応混合物が褐色になるまで160℃で反応を続行する。次いで珪藻土を通して熱時ろ過する。タングステン含量は4.4質量%と測定された。
49.8gのモノ−スクシンイミド分散剤(プロセスオイル中に60%有効分;PIBMW=1000;TBN=33.52)と49.9gのプロセスオイルの溶液に、19.6gのタングステン酸と15.1gの水をチャージする。次いで攪拌スラリーを160℃に徐々に加熱し、混合物として集めた留出液は暗緑色になる。蒸留が停まったら、系に真空をかけ、攪拌しながら、反応混合物が褐色になるまで160℃で反応を続行する。次いで珪藻土を通して熱時ろ過する。タングステン含量は8.72質量%と測定された。
67.42gのビス−スクシンイミド分散剤(HiTEC(登録商標)644プロセスオイル中に約75%有効分;TBN=47.20)と16.8gのプロセスオイルの溶液に、14.24gのタングステン酸と9.35gの水をチャージする。次いで攪拌スラリーを99〜101℃で1.5時間加熱する。次いで2.5時間で徐々に160℃に加熱し、160℃で1.5時間保持する。その間、留出液を収集し、その混合物は緑色に変わる。蒸留が停まったら、系に真空をかけ、攪拌しながら、反応混合物が褐色になるまで160℃で反応を続行する。次いで珪藻土を通して熱時ろ過する。タングステン含量は4.52質量%と測定された。
50.5gのモノ−スクシンイミド分散剤(プロセスオイル中に60%有効分;PIBMW=2100;TBN=44.30)と50.5gのプロセスオイルの溶液に、5.01gのタングステン酸と4.22gの水をチャージする。次いで攪拌スラリーを160℃に徐々に加熱し、その時点で留出液を収集する。その間混合物は暗緑色に変わる。蒸留が停まったら、系に真空をかけ、攪拌しながら、反応混合物が褐色になるまで160℃で反応を続行する。次いで珪藻土を通して熱時ろ過する。タングステン含量は1.9質量%と測定された。
酸化安定性は、ASTM D6186に記載されている加圧型示差走査熱量測定(PDSC)によって測定した。PDSCは、潤滑性組成物の酸化防止能力が消耗され、ベースオイルが自動酸化として知られている酸化的連鎖反応へと進む際の発熱的な熱の放出を検出することによって酸化安定性を測定する。実験の開始から自動酸化までの時間は酸化誘導時間(OIT)として知られている。したがって、より長いOITは、より高い酸化安定性および酸化防止能力を示している。
Claims (8)
- 大部分量の潤滑性オイルおよび添加剤を含む潤滑性組成物であって、
前記添加剤が、潤滑性組成物全体の0.5〜2.0質量%で存在する第二ジアリールアミンおよび前記潤滑性組成物に対して50〜3,000ppmのタングステンを提供する量で存在する有機タングステン酸アンモニウムを含み、
前記有機タングステン酸アンモニウムが、(a)タングステン源と、(b)モノまたはビス置換スクシンイミドとの反応生成物であり、
前記モノまたはビス置換スクシンイミドが次式
の化合物である潤滑性組成物。 - 第二ジアリールアミンとタングステンの質量比が75:1〜1:3である、請求項1に記載の潤滑性組成物。
- 第二ジアリールアミンとタングステンの質量比が35:1〜1:3である、請求項2に記載の潤滑性組成物。
- 第二ジアリールアミンとタングステンの質量比が16:1〜2:1である、請求項3に記載の潤滑性組成物。
- R1、R2、R3およびR4の少なくとも1つが、それぞれ独立に、水素、2−メチルプロペニル、2,4,4−トリメチルペンテニル、スチレニルおよびノニルから選択される、請求項5に記載の潤滑性組成物。
- 前記第二ジアリールアミンが、オクチル化/ブチル化第二ジアリールアミン、p,p’−ジオクチル化第二ジアリールアミンおよびオクチル化/スチレン化第二ジアリールアミンから選択される、請求項5に記載の潤滑性組成物。
- 前記タングステン源が、タングステン酸、三酸化タングステン、タングステン酸アンモニウム、パラタングステン酸アンモニウム、タングステン酸ナトリウム二水和物、タングステン酸カルシウムおよびメタタングステン酸アンモニウムから選択される、請求項1に記載の潤滑性組成物。
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