EP0913455B1 - Schmiermittelzusammensetzung enthaltend Molybdändithiocarbamat zur Verbesserung der Kupferkorrosions - Google Patents
Schmiermittelzusammensetzung enthaltend Molybdändithiocarbamat zur Verbesserung der Kupferkorrosions Download PDFInfo
- Publication number
- EP0913455B1 EP0913455B1 EP98308848A EP98308848A EP0913455B1 EP 0913455 B1 EP0913455 B1 EP 0913455B1 EP 98308848 A EP98308848 A EP 98308848A EP 98308848 A EP98308848 A EP 98308848A EP 0913455 B1 EP0913455 B1 EP 0913455B1
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- EP
- European Patent Office
- Prior art keywords
- oil
- sulfur
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- composition
- compound
- 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.)
- Expired - Lifetime
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- 239000000203 mixture Substances 0.000 title claims description 51
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 33
- 229910052802 copper Inorganic materials 0.000 title claims description 33
- 239000010949 copper Substances 0.000 title claims description 33
- 238000005260 corrosion Methods 0.000 title claims description 23
- 230000007797 corrosion Effects 0.000 title claims description 23
- KHYKFSXXGRUKRE-UHFFFAOYSA-J molybdenum(4+) tetracarbamodithioate Chemical compound C(N)([S-])=S.[Mo+4].C(N)([S-])=S.C(N)([S-])=S.C(N)([S-])=S KHYKFSXXGRUKRE-UHFFFAOYSA-J 0.000 title claims description 18
- 230000001050 lubricating effect Effects 0.000 title claims description 16
- 239000003921 oil Substances 0.000 claims description 55
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 42
- 239000011593 sulfur Substances 0.000 claims description 41
- 229910052717 sulfur Inorganic materials 0.000 claims description 41
- 150000001875 compounds Chemical class 0.000 claims description 36
- 239000000654 additive Substances 0.000 claims description 17
- 230000000996 additive effect Effects 0.000 claims description 14
- 238000002156 mixing Methods 0.000 claims description 12
- 239000010773 plant oil Substances 0.000 claims description 12
- 235000019198 oils Nutrition 0.000 description 52
- 150000003464 sulfur compounds Chemical class 0.000 description 28
- 125000000217 alkyl group Chemical group 0.000 description 17
- 125000004432 carbon atom Chemical group C* 0.000 description 14
- 235000019486 Sunflower oil Nutrition 0.000 description 13
- -1 fatty acid ester Chemical class 0.000 description 13
- 239000010687 lubricating oil Substances 0.000 description 13
- 239000002600 sunflower oil Substances 0.000 description 13
- 239000000314 lubricant Substances 0.000 description 12
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 11
- 239000012990 dithiocarbamate Substances 0.000 description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 8
- 229910052725 zinc Inorganic materials 0.000 description 8
- 239000011701 zinc Substances 0.000 description 8
- 239000002199 base oil Substances 0.000 description 7
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 7
- 150000002978 peroxides Chemical class 0.000 description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 6
- 239000002270 dispersing agent Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 239000011733 molybdenum Substances 0.000 description 6
- CYEJMVLDXAUOPN-UHFFFAOYSA-N 2-dodecylphenol Chemical compound CCCCCCCCCCCCC1=CC=CC=C1O CYEJMVLDXAUOPN-UHFFFAOYSA-N 0.000 description 5
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 5
- 150000004659 dithiocarbamates Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 229910052796 boron Inorganic materials 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 235000021323 fish oil Nutrition 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002480 mineral oil Substances 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- 229910052698 phosphorus Inorganic materials 0.000 description 4
- 150000003839 salts Chemical class 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
- 239000010698 whale oil Substances 0.000 description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000004202 carbamide Substances 0.000 description 3
- 125000002704 decyl group Chemical group [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])* 0.000 description 3
- 125000003438 dodecyl group Chemical group [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])* 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 3
- 125000002960 margaryl 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])[H] 0.000 description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 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 description 3
- 125000002347 octyl 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])[H] 0.000 description 3
- 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 3
- 125000002958 pentadecyl 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])[H] 0.000 description 3
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 3
- 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 3
- 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 3
- 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 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 229920002367 Polyisobutene Polymers 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- GVPWHKZIJBODOX-UHFFFAOYSA-N dibenzyl disulfide Chemical compound C=1C=CC=CC=1CSSCC1=CC=CC=C1 GVPWHKZIJBODOX-UHFFFAOYSA-N 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 229960004889 salicylic acid Drugs 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- MBBWTVUFIXOUBE-UHFFFAOYSA-L zinc;dicarbamodithioate Chemical compound [Zn+2].NC([S-])=S.NC([S-])=S MBBWTVUFIXOUBE-UHFFFAOYSA-L 0.000 description 2
- STMRWVUTGPZZER-UHFFFAOYSA-N 2,3-bis(2-methylpropyl)phenol Chemical compound CC(C)CC1=CC=CC(O)=C1CC(C)C STMRWVUTGPZZER-UHFFFAOYSA-N 0.000 description 1
- 239000004808 2-ethylhexylester Substances 0.000 description 1
- CUDSBWGCGSUXDB-UHFFFAOYSA-N Dibutyl disulfide Chemical compound CCCCSSCCCC CUDSBWGCGSUXDB-UHFFFAOYSA-N 0.000 description 1
- 239000005069 Extreme pressure additive Substances 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-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 compound [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
- 150000001408 amides Chemical class 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001638 boron Chemical class 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- ZMRQTIAUOLVKOX-UHFFFAOYSA-L calcium;diphenoxide Chemical compound [Ca+2].[O-]C1=CC=CC=C1.[O-]C1=CC=CC=C1 ZMRQTIAUOLVKOX-UHFFFAOYSA-L 0.000 description 1
- 150000004657 carbamic acid derivatives Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 125000005982 diphenylmethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])(*)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 125000006178 methyl benzyl group Chemical group 0.000 description 1
- 238000004452 microanalysis Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000005078 molybdenum compound Substances 0.000 description 1
- 150000002752 molybdenum compounds Chemical class 0.000 description 1
- BCBHLWYLGWJAJF-UHFFFAOYSA-J molybdenum(4+) sulfur monoxide tetracarbamodithioate Chemical compound [Mo+4].S=O.NC([S-])=S.NC([S-])=S.NC([S-])=S.NC([S-])=S BCBHLWYLGWJAJF-UHFFFAOYSA-J 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010525 oxidative degradation reaction Methods 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 229960002317 succinimide Drugs 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000010689 synthetic lubricating oil Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
Images
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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/12—Thio-acids; Thiocyanates; Derivatives thereof
- C10M135/14—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond
- C10M135/18—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/20—Thiols; Sulfides; Polysulfides
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/20—Thiols; Sulfides; Polysulfides
- C10M135/22—Thiols; Sulfides; Polysulfides containing sulfur atoms 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
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/20—Thiols; Sulfides; Polysulfides
- C10M135/28—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring
- C10M135/30—Thiols; Sulfides; Polysulfides containing sulfur atoms bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/02—Natural products
- C10M159/08—Fatty oils
-
- 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
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
- C10M159/20—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products
- C10M159/22—Reaction mixtures having an excess of neutralising base, e.g. so-called overbasic or highly basic products containing phenol radicals
-
- 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
- C10M163/00—Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
-
- 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
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Definitions
- the present invention relates to novel lubricating compositions containing molybdenum which exhibit reduced copper corrosion activity.
- the compositions comprise organomolybdenum compounds and a sulfur donor compound which has been treated with a plant oil to remove active sulfur.
- the molybdenum compounds used are dithiocarbamates in various forms.
- organomolybdenum compounds in lubricating oil compositions to decrease friction between moving parts.
- oils used to lubricate internal combustion engines lowering of friction between moving parts increases fuel efficiency.
- organomolybdenum compounds may also be used in functional fluids such as manual and automatic transmission fluids, wet brakes fluids, hydraulic fluids and other comparable fluids.
- organomolybdenum compounds used in lubricating compositions are molybdenum containing alkyl and dialkyl dithiocarbamates and their oxyo and/or sulfurized analogs. Examples of such organomolybdenum compounds are disclosed in the following patent publications, all of which are incorporated herein by reference.
- Japanese Patent Laid-Open Application No. 56202/1973 teaches a compound having the general formula [R 2 N-CS 2 ] 2 -Mo 2 S 4 wherein R is an alkyl group, which compound is useful as an additive for lubricants. But that compound has a corrosive action on copper-containing materials, so the use of that compound has been limited.
- Japanese Patent Laid-Open No. 62-81396 proposes a molybdenum-containing lubricant additive with an excellent oxidation preventive function, wear proofing function, friction mitigating function and metal corrosion inhibiting function, and further is highly soluble in a base oil such as mineral oil.
- Japanese Patent Laid-Open No. 48-56202 proposes an extreme pressure lubricant containing MoDTC blended thereto.
- Japanese Patent Laid-Open No. 5-279686 proposes a lubricating oil composition for an internal combustion engine prepared by blending (a) sulfurized oxymolybdenum dithiocarbamate and/or sulfurized oxymolybdenum organophosphorodithioate, (b) fatty acid ester and/or organoamide compound, (c) at least one compound selected from the group consisting of calcium sulfonate, magnesium sulfonate, calcium phenate and magnesium phenate, (d) at least one compound selected from the group consisting of benzylamine and boron derivatives of benzylamine, and (e) zinc dithiophosphate and/or zinc dithiocarbamate, in a base oil for a lubricating oil.
- Japanese Patent Laid-Open No. 5-230485 proposes a lubricating oil composition for an engine oil containing, as essential components in a base oil using a mineral oil and/or a synthetic lubricating oil, (a) an alkaline earth metal salt of alkyl-salicylic acid, (b) a bis-type alkenylsuccinic acid imide having a polybutenyl group and/or its derivative, and (c) sulfurized oxymolybdenum organophosphorodithioate and/or molybdenum dithiocarbamate.
- Japanese Patent Laid-Open No. 5-186787 proposes a lubricating oil composition prepared by blending (a) sulfurized oxymolybdenum dithiocarbamate and/or sulfurized oxymolybdenum organophosphorodithioate and (b) zinc dithiophosphate and/or zinc dithiocarbamate into a mineral oil, and further proposes a lubricating oil composition prepared by adding (c) an organic amide compound to the above.
- Japanese Patent Laid-Open No. 5-163497 proposes an engine oil composition
- a base oil consisting of a mineral oil and/or a synthetic oil
- B a boron compound derivative of alkenylsuccinic acid amide
- C an alkaline earth metal salt of salicylic acid
- D molybdenum dithiophosphate and/or molybdenum dithiocarbamate
- a molybdenum dihydrocarbyldithiocarbamate compound useful as an additive for lubricants is disclosed in US-A- 4,098,705 of Sakurai et aL Novel sulfur and phosphorus containing molybdenum compositions which are useful for improving fuel economy for internal combustion engines are disclosed in US-A-4,289,635 to Schroeck.
- U.S. Patent of NTN Corporation of Japan recites a grease composition for constant velocity joints comprising a urea grease including a lubricating oil and a urea base thickener and containing (A) 1-5% by weight of molybdenum sulfide dialkyldithiocarbamate, (B) 0.2-1% by weight of molybdenum disulfide, (C) 0.5-3% by weight of an extreme pressure additive of zinc dithiophosphate and (D) 0.5-5% by weight of an oiliness agent composed of at least one of vegetable oils and fats as an essential component, provided that a weight ratio of the component (B) to the component (A) is 0.04-0.5.
- the instant invention does not contain a urea base thickener or molybdenum disulfide.
- the invention of WO-A-96/06904 is a lubricant composition
- a lubricant composition comprising a major amount of a lubricant base oil having added thereto a minor amount of additives comprising (A) oxymolybdenum dithiocarbamate sulfide having alkyl groups with 8 to 18 carbon atoms, (B) zinc dialkyldithiophosphate having primary alkyl groups with 1 to 18 carbon atoms, (C) one or more additional peroxide decomposing sulfur compounds, (D) an ashless dispersant, and (E) a boron containing additive in an amount sufficient to provide at from 0.005 to 0.06% by weight boron to the finished lubricant wherein to the total weight of the composition, the molybdenum content from oxymolybdenum dithiocarbamate sulfide is at 200 to 2,000 ppm (ratio by weight); the phosphorus content from zinc dialkyldithiophosphate is
- the additional peroxide decomposing sulfur compound is selected from the group consisting of zinc dialkyldithiocarbamate, copper dialkyldithiocarbamate or nickel dialkyldithiocarbamate wherein the dialkyldithiocabamate has alkyl groups with 2 to 18 carbon atoms, bis(dialkyldithiocarbanoyl)disulfide having an alkyl group with 2 to 18 carbon atoms, disulfide having an alkyl group with 2 to 18 carbon atoms, disulfide having an allyl group, an alkylallyl group or an allylalkyl group with 6 to 18 carbon atoms, olefin sulfide, fish oil sulfide, whale oil sulfide and mixtures of any of the foregoing.
- WO-A-96/06904 describes in detail the use of additional sulfur compounds in the compositions described.
- the additional sulfur compound required by WO-A- 96/06904 is selected from any of the sulfur compounds that efficiently decompose peroxides.
- the extended fuel economy performance of the present invention may be attributable to suppressed consumption of the oxymolybdenum dithiocarbamate sulfide and the zinc dialkyldithiophosphate because the sulfur compounds efficiently decompose peroxides.
- dialkyldithiocarbamate salt to be blended in the lubricant composition of the invention, use is made of a compound represented by the general formula (3) wherein M represents zinc, copper or nickel; R 9 , R 10 , R 11 and R 12 may be the same or different, each representing an alkyl group with 2 to 18 carbon atoms.
- Metal salts of dialkyldithiocarbamic acid are well known and readily available. Processes for their synthesis are described in US-A-4,623,473 and US-A-4,740,322 .
- the alkyl group of 2-18 carbon atoms represented by R 9 , R 10 , R 11 and R 12 in the general formula (3) may be linear or branched, including for example, an ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group and octadecyl group.
- the bis(dialkyldithiocarbamoyl)disulfide to be blended in the lubricant composition of the present invention use may be made of a compound represented by the general formula (4): wherein R 13 , R 14 , R 15 and R 16 may be the same or different, each representing an alkyl group with 2 to 18 carbon atoms.
- the alkyl group of 2-8 carbon atoms represented by R 13 , R 14 , R 15 and R 16 in the general formula (4) may be linear or branched, including for example an ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group and octadecyl group.
- R 17 -S-S-R 18 (5) As the disulfide to be blended in the lubricant composition of the invention, use is made of a compound represented by the general formula (5): R 17 -S-S-R 18 (5) wherein R 17 and R 18 may be the same or different, each representing an alkyl group with 2 to 18 carbon atoms or an allyl group, an alkylallyl group or an allylalkyl group, with 6 to 18 carbon atoms.
- the alkyl group of 2-8 carbon atoms represented by R 17 and R 18 in the general formula (5) may be linear or branched, including for example an ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group, tridecyl group, tetradecyl group, pentadecyl group, hexadecyl group, heptadecyl group and octadecyl group;
- the allyl group, the alkylallyl group or the allylalkyl group, having 6 to 18 carbon atoms and being represented by R 17 and R 18 includes for example a phenyl group, benzyl group, phenetyl group, methylbenzyl group, diphenylmethyl group and the like.
- Olefin sulfide, fish oil sulfide and whale oil sulfide, to be blended with the lubricant composition of the invention should be olefin sulfide (polysulfide) being produced by sulfide processing of polymers such as isobutylene and having a sulfur content of 25 to 40% by weight, fish oil sulfide and whale oil sulfide produced by processing individually fish oil and whale oil in the same manner.
- polysulfide polysulfide
- European Patent Application EP 0725130A2 of the Tonen Corporation describes a lubricating oil composition containing a majority of an oil of lubricating viscosity, a molybdenum dithiocarbamate, an organozinc compound, and a phenol based antioxidant.
- EP-A-0107282 describes a lubricating composition comprising a hidrofined lubricating oil, an aliphatic olefin and a sulfurization product of an olefinic hydrocarbon.
- organomolybdenum compounds to reduce frictional properties of lubricant oils and to use sulfur compounds as sulfur donors, as well as phenolic antioxidants, to suppress oxidative degradation of the organomolybdenum compounds.
- compositions and methods are provided for reducing copper corrosion problems of lubricating oils containing organomolybdenum compounds together with a sulfur containing compound.
- the sulfur containing compounds include those listed above in WO-A-96/06904 , diaryl sulfides, and sulfurized phenates as described in US-A-5,328,620 .
- the sulfurized phenates may be prepared from a phenol, elemental sulfur and a metal. Also included in the definition of sulfur compounds are carbamates as described in US-A-4,758,362 .
- sulfur containing compounds are metal disulfides of formula M-S-S-M where M is a metal.
- sulfur compounds While the addition of sulfur compounds to oils reduces degradation of the organomolybdenum compounds, said sulfur compounds cause increased copper corrosion properties of such oils.
- the copper corrosion results from unbound or active sulfur contained with said sulfur compounds.
- the sulfur compounds in order to reduce copper corrosion properties of such oils, the sulfur compounds must be treated with compounds to reduce the active or non-bound sulfur of said sulfur compounds.
- copper corrosiveness of sulfur compounds for use in additive packages containing molybdenum dithiocarbamates and oxyo and sulfurized derivatives thereof are mixed with sunflower oil or other plant oil and heated prior to adding to said additive package, the copper corrosiveness of oils containing said additive packages is reduced.
- the reduced copper corrosiveness is reduced because the unbound or active sulfur associated with said sulfur compounds is removed by reaction with the double bonds of the plant oils.
- the instant invention comprises an additive package for use in oils of lubricating viscosity to provide said oils containing said packages with improved frictional and reduced copper corrosion properties.
- the additive package comprises a composition formed by mixing together:
- the additive package described above when mixed with an oil of lubricating viscosity provides for a lubricating composition having improved frictional properties and reduced copper corrosion activity.
- the lubricating oil composition comprises a lubricating composition formed by mixing:
- the instant invention also provides a method for reducing copper corrosion in internal combustion engines.
- the method comprises adding to and operating said engine a lubricating oil composition comprising a mixture formed by mixing:
- the term "majority” is generally intended to mean that the lubricating oil compositions contain a major amount of the oil of lubricating viscosity, that is the oil generally comprises the constituent present in the largest amount in the composition and is usually present in an amount more than 50% of the composition by weight.
- the molybdenum dithiocarbamate for use in this invention includes those labeled "Background of the Invention".
- molybdenum dithiocarbamate compounds in addition to those described above include those disclosed in WO-A-96/23856 , WO-A-96/06904 and EP-A-0725130 .
- the molybdenum dithiocarbamates are alkyl and dialkyl dithiocarbamates and are available as Akeda S-100 from Asaki Denka Kogyo K.K., Tokyo 103 Japan and as various MOLYVAN® compositions from R.T. Vanderbilt Company of Norwalk, Connecticut, U.S.A..
- Vanderbilt organomolybdenum dithiocarbamate compounds are MOLYVAN® A, a molybdenum oxysulfide dithiocarbamate of the formula: and MOLYVAN® 822 described by Vanderbilt as an organomolybdenum dithiocarbamate.
- the sulfur compounds for use in the invention's compositions are those described hereinabove.
- the sulfur compounds act as sulfur donors and contribute to copper corrosion due to their unbound or active sulfur component.
- the sulfur compounds are dibenzyl disulfide, sulfurized phenols and phenates as described in US-A-5,328,620 ;- 3,372,116 and - 3,410,798 and dithiocarbamate compounds described in US-A-4,758,362 .
- Preferred sulfur compounds are sulfur coupled dodecylphenol and its calcium overbased salt.
- the ratio of sunflower oil (SFO) to sulfur compound depends on the activity of the sulfur in the sulfur compound. Usually a weight ratio of 5 : 1 to 1 : 1 for the weight ratio of SFO to sulfur compound is preferred but ratios of less than 1 : 1 and down to 0.5 : 1 by weight may also be used.
- the SFO and sulfur compound Prior to mixing with other components to form an additive package or containing said additive package the SFO and sulfur compound are mixed and heated under parameters by which the unbound or active sulfur of the sulfur compound reacts with unsaturated sights in the SFO.
- a preferred range of reaction time and temperature is about 3 hours at 90°C but other suitable parameters can easily be decided upon.
- the percents given are weight percent on an oil free basis for the weight of components based on the total weight of the oil composition except for the Akeda S-100 molybdenum dithiocarbamate compound which is used as purchased.
- Tonen base oil A majority of a Tonen base oil and added thereto:
- the range of weight percents of components in the total oil composition range from 1-10 weight percent polyisobutylene/polyamine dispersant and/or its borated derivative; 0.1-5 weight percent of a dihydrocarbon dithiophosphate where hydrocarbon is given an expansive reading; 0.1-7 weight percent of a sulfur coupled alkyl phenol and/or its calcium overbased salt, 0.1-5 weight percent of a molybdenum dithiocarbamate and 0.1-10 weight percent of an antioxidant.
- FIGURE 3 shows that at a given area of corrosion on the corroded copper plate that the copper content is greatly diminished compared to a non-corroded area.
- the Figure demonstrates that in areas of diminished copper content (corroded areas) the concentration of phosphorus, zinc and sulfur are very high. This result demonstrates the corrosive effects of zinc and phosphorus as well as sulfur.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Claims (8)
- Schmierende Zusammensetzung, die organische Molybdänverbindungen enthält und die reduzierte Kupferkorrosionseigenschaften aufweist, wobei die Zusammensetzung umfaßt:Ein Gemisch, das gebildet wird durch das Vermischen vonmiteinander, wobei (C) und (D) vor der Zugabe zu diesem Gemisch miteinander vermischt werden und mit Zeit- und Temperaturparametern erwärmt werden, die ausreichend sind, um den aktiven Schwefel der Schwelfel enthaltenden Verbindung mit dem Pflanzenöl umzusetzen.(A) einer großen Menge eines Öls mit schmierender Viskosität,(B) einem Molybdändithiocarbamat,(C) einer Schwefel enthaltenden Verbindung, die aktiven Schwefel enthält, und(D) einem Pflanzenöl mit C=C-Ungesättigtheit
- Zusammensetzung nach Anspruch 1, wobei (C) und (D) gemeinsam für etwa 3 Stunden bei etwa 90 C° vor dem Vermischen mit (A) und (B) erwärmt werden.
- Zusammensetzung nach Anspruch 1 oder 2, wobei das Gewichtsverhältnis von (D) zu (C) 5:1 bis 1:1 beträgt.
- Zusammensetzung nach Anspruch 1 oder 2, wobei das Gewichtsverhältnis von (D) zu (C) weniger als 1:1 herunter bis zu etwa 0,5:1 beträgt.
- Additivzusammensetzung zur Verwendung in einer großen Menge eines Öls mit schmierender Viskosität, wobei die Zusammensetzung umfaßt:(A) ein Molybdändithiocarbamat,(B) eine Verbindung, die aktiven Schwefel enthält, und(C) ein Pflanzenöl mit C=C-Ungesättigtheit,wobei (B) und (C) vor dem Vermischen mit der organischen Molybdänverbindung (A) miteinander vermischt werden und mit Zeit- und Temperaturparametern erwärmt werden, die ausreichend sind, um den aktiven Schwefel der Schwefel enthaltenden Verbindung mit dem Pflanzenöl umzusetzen, wobei das Öl, das diese Zusammensetzung enthält, reduzierte Kupferkorrosionseigenschaften aufweist.
- Zusammensetzung nach Anspruch 5, wobei (B) und (C) vor dem Vermischen mit (A) gemeinsam für etwa 3 Stunden bei etwa 90 C° erwärmt werden.
- Zusammensetzung nach Anspruch 5 oder 6, wobei das Gewichtsverhältnis von (C) zu (B) 5:1 bis 1:1 beträgt.
- Zusammensetzung nach Anspruch 5 oder 6, wobei das Gewichtsverhältnis von (C) zu (B) weniger als 1:1 herunter bis zu 0,5:1 beträgt.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29894097 | 1997-10-30 | ||
| JP29894097A JP4641567B2 (ja) | 1997-10-30 | 1997-10-30 | ひまわり油を添加することによる、ジチオカルバミン酸モリブデンおよび活性イオウの銅腐食性能を改良する方法 |
| JP298940/97 | 1997-10-30 | ||
| US09/030,381 US6281174B1 (en) | 1997-10-30 | 1998-02-25 | Method to improve Cu corrosion performance of Mo-DTC and active sulfur by adding sunflower oil |
| US30381 | 1998-02-25 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0913455A2 EP0913455A2 (de) | 1999-05-06 |
| EP0913455A3 EP0913455A3 (de) | 2000-05-17 |
| EP0913455B1 true EP0913455B1 (de) | 2007-08-15 |
Family
ID=26561719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP98308848A Expired - Lifetime EP0913455B1 (de) | 1997-10-30 | 1998-10-29 | Schmiermittelzusammensetzung enthaltend Molybdändithiocarbamat zur Verbesserung der Kupferkorrosions |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0913455B1 (de) |
| CA (1) | CA2251418C (de) |
| DE (1) | DE69838239T2 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20022322A1 (it) * | 2002-10-31 | 2004-05-01 | Agip Petroli | Olio lubrificante per motori atto a ridurre il consumo di carburante |
| KR102707883B1 (ko) * | 2019-10-30 | 2024-09-24 | 게케엔 드리펠린 인터나쇼날 게엠베하 | 이황화몰리브덴 및/또는 이황화텅스텐과 함께 황화아연 및 황화구리를 포함하는 등속 조인트용 그리스 조성물 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4228022A (en) * | 1979-06-28 | 1980-10-14 | Chevron Research Company | Sulfurized alkylphenol-olefin reaction product lubricating oil additive |
| CA1228847A (en) * | 1982-10-28 | 1987-11-03 | James N. Vinci | Sulfur containing lubricating compositions |
| GB9415623D0 (en) * | 1994-08-01 | 1994-09-21 | Exxon Chemical Patents Inc | Improvements in oleaginous compositions |
| CA2195475A1 (en) * | 1994-09-01 | 1996-03-07 | Michiya Yamada | Lubricants with sustained fuel economy performance |
-
1998
- 1998-10-23 CA CA002251418A patent/CA2251418C/en not_active Expired - Fee Related
- 1998-10-29 EP EP98308848A patent/EP0913455B1/de not_active Expired - Lifetime
- 1998-10-29 DE DE69838239T patent/DE69838239T2/de not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| CA2251418C (en) | 2007-08-14 |
| EP0913455A3 (de) | 2000-05-17 |
| DE69838239T2 (de) | 2008-03-06 |
| DE69838239D1 (de) | 2007-09-27 |
| CA2251418A1 (en) | 1999-04-30 |
| EP0913455A2 (de) | 1999-05-06 |
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