EP3409751A1 - Schmiermittelzusammensetzung - Google Patents
Schmiermittelzusammensetzung Download PDFInfo
- Publication number
- EP3409751A1 EP3409751A1 EP17744351.2A EP17744351A EP3409751A1 EP 3409751 A1 EP3409751 A1 EP 3409751A1 EP 17744351 A EP17744351 A EP 17744351A EP 3409751 A1 EP3409751 A1 EP 3409751A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lubricant composition
- base oil
- sulfur
- lubricant
- extreme pressure
- 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
- 239000000314 lubricant Substances 0.000 title claims abstract description 101
- 239000000203 mixture Substances 0.000 title claims abstract description 84
- 239000002199 base oil Substances 0.000 claims abstract description 80
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 64
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000011593 sulfur Substances 0.000 claims abstract description 59
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 52
- 229920013639 polyalphaolefin Polymers 0.000 claims description 22
- 150000001336 alkenes Chemical class 0.000 claims description 13
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract 1
- -1 polyol ester Chemical class 0.000 description 59
- KZNICNPSHKQLFF-UHFFFAOYSA-N dihydromaleimide Natural products O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 35
- 230000002378 acidificating effect Effects 0.000 description 25
- 239000002270 dispersing agent Substances 0.000 description 23
- 239000003921 oil Substances 0.000 description 20
- 235000019198 oils Nutrition 0.000 description 20
- 150000003014 phosphoric acid esters Chemical class 0.000 description 20
- 229960002317 succinimide Drugs 0.000 description 20
- 150000003580 thiophosphoric acid esters Chemical class 0.000 description 20
- 239000002480 mineral oil Substances 0.000 description 18
- 235000010446 mineral oil Nutrition 0.000 description 18
- 125000000217 alkyl group Chemical group 0.000 description 17
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 16
- 229910052698 phosphorus Inorganic materials 0.000 description 16
- 239000011574 phosphorus Substances 0.000 description 16
- 150000002148 esters Chemical class 0.000 description 14
- 230000002265 prevention Effects 0.000 description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 11
- 125000004432 carbon atom Chemical group C* 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 11
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 11
- 239000005077 polysulfide Substances 0.000 description 11
- 229920001021 polysulfide Polymers 0.000 description 11
- 150000008117 polysulfides Polymers 0.000 description 11
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 10
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- TYQTYRXEMJXFJG-UHFFFAOYSA-N phosphorothious acid Chemical class OP(O)S TYQTYRXEMJXFJG-UHFFFAOYSA-N 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 239000012208 gear oil Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 125000004434 sulfur atom Chemical group 0.000 description 8
- 239000003963 antioxidant agent Substances 0.000 description 7
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 6
- 125000003342 alkenyl group Chemical group 0.000 description 6
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 239000003925 fat Substances 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- 150000002430 hydrocarbons Chemical group 0.000 description 6
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000004711 α-olefin Substances 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000007423 decrease Effects 0.000 description 5
- 235000019197 fats Nutrition 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical compound OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000013530 defoamer Substances 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000007935 neutral effect Effects 0.000 description 4
- WRKCIHRWQZQBOL-UHFFFAOYSA-N octyl dihydrogen phosphate Chemical compound CCCCCCCCOP(O)(O)=O WRKCIHRWQZQBOL-UHFFFAOYSA-N 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 3
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 3
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 229920002367 Polyisobutene Polymers 0.000 description 3
- 125000001931 aliphatic group Chemical group 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- JTXUVYOABGUBMX-UHFFFAOYSA-N didodecyl hydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(=O)OCCCCCCCCCCCC JTXUVYOABGUBMX-UHFFFAOYSA-N 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000006078 metal deactivator Substances 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 150000004763 sulfides Chemical class 0.000 description 3
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 3
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N 2,5-dimethylhexane Chemical group CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 description 2
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 2
- ONJROLGQWMBXAP-UHFFFAOYSA-N 2-methyl-1-(2-methylpropyldisulfanyl)propane Chemical compound CC(C)CSSCC(C)C ONJROLGQWMBXAP-UHFFFAOYSA-N 0.000 description 2
- VWDPBPNAXKBMCN-UHFFFAOYSA-N CCCCCCCCCCCCCCCCC=COP(O)(O)=S Chemical compound CCCCCCCCCCCCCCCCC=COP(O)(O)=S VWDPBPNAXKBMCN-UHFFFAOYSA-N 0.000 description 2
- XGBWMJHBWDBLEQ-UHFFFAOYSA-N CCCCCCCCCCCCCCCCC=COP(O)O Chemical compound CCCCCCCCCCCCCCCCC=COP(O)O XGBWMJHBWDBLEQ-UHFFFAOYSA-N 0.000 description 2
- OIFXACZWDIOXES-UHFFFAOYSA-N CCCCCCCCCCCCCCCCC=CSP(O)O Chemical compound CCCCCCCCCCCCCCCCC=CSP(O)O OIFXACZWDIOXES-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 2
- 150000001639 boron compounds Chemical class 0.000 description 2
- CAVXVJGHUYVTRI-UHFFFAOYSA-N dihydroxy-octoxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCCCCCCCOP(O)(O)=S CAVXVJGHUYVTRI-UHFFFAOYSA-N 0.000 description 2
- HTDKEJXHILZNPP-UHFFFAOYSA-N dioctyl hydrogen phosphate Chemical compound CCCCCCCCOP(O)(=O)OCCCCCCCC HTDKEJXHILZNPP-UHFFFAOYSA-N 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- ISWBBUXCFWZBKC-UHFFFAOYSA-N dodecoxy-dihydroxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCCCCCCCCCCCOP(O)(O)=S ISWBBUXCFWZBKC-UHFFFAOYSA-N 0.000 description 2
- TVACALAUIQMRDF-UHFFFAOYSA-N dodecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCOP(O)(O)=O TVACALAUIQMRDF-UHFFFAOYSA-N 0.000 description 2
- RSNDQTNQQQNXRN-UHFFFAOYSA-N dodecyl dihydrogen phosphite Chemical compound CCCCCCCCCCCCOP(O)O RSNDQTNQQQNXRN-UHFFFAOYSA-N 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- DQCOURVTDJUHQM-UHFFFAOYSA-N hydroxy-dioctoxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCCCCCCCOP(O)(=S)OCCCCCCCC DQCOURVTDJUHQM-UHFFFAOYSA-N 0.000 description 2
- 150000002460 imidazoles Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- OMFOZENGCKJYTL-UHFFFAOYSA-N octadec-1-enyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCCCCCC=COP(O)(O)=O OMFOZENGCKJYTL-UHFFFAOYSA-N 0.000 description 2
- KCRLWVVFAVLSAP-UHFFFAOYSA-N octyl dihydrogen phosphite Chemical compound CCCCCCCCOP(O)O KCRLWVVFAVLSAP-UHFFFAOYSA-N 0.000 description 2
- DSKNRIRUAYEWCO-UHFFFAOYSA-N octylsulfanylphosphonous acid Chemical compound CCCCCCCCSP(O)O DSKNRIRUAYEWCO-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 229940014800 succinic anhydride Drugs 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- QWUWMCYKGHVNAV-UHFFFAOYSA-N 1,2-dihydrostilbene Chemical group C=1C=CC=CC=1CCC1=CC=CC=C1 QWUWMCYKGHVNAV-UHFFFAOYSA-N 0.000 description 1
- YEVQZPWSVWZAOB-UHFFFAOYSA-N 2-(bromomethyl)-1-iodo-4-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=CC=C(I)C(CBr)=C1 YEVQZPWSVWZAOB-UHFFFAOYSA-N 0.000 description 1
- CMGDVUCDZOBDNL-UHFFFAOYSA-N 4-methyl-2h-benzotriazole Chemical compound CC1=CC=CC2=NNN=C12 CMGDVUCDZOBDNL-UHFFFAOYSA-N 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 235000019482 Palm oil Nutrition 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 150000005215 alkyl ethers Chemical class 0.000 description 1
- 125000005037 alkyl phenyl group Chemical group 0.000 description 1
- 229940045714 alkyl sulfonate alkylating agent Drugs 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 125000005265 dialkylamine group Chemical group 0.000 description 1
- QBCOASQOMILNBN-UHFFFAOYSA-N didodecoxy(oxo)phosphanium Chemical compound CCCCCCCCCCCCO[P+](=O)OCCCCCCCCCCCC QBCOASQOMILNBN-UHFFFAOYSA-N 0.000 description 1
- BEAIULUXYSRQHO-UHFFFAOYSA-N didodecoxy-hydroxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCCCCCCCCCCCOP(O)(=S)OCCCCCCCCCCCC BEAIULUXYSRQHO-UHFFFAOYSA-N 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- XMQYIPNJVLNWOE-UHFFFAOYSA-N dioctyl hydrogen phosphite Chemical compound CCCCCCCCOP(O)OCCCCCCCC XMQYIPNJVLNWOE-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical group CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- VOBCOZODXKKZJQ-UHFFFAOYSA-N dodecoxy(dodecylsulfanyl)phosphinous acid Chemical compound CCCCCCCCCCCCOP(O)SCCCCCCCCCCCC VOBCOZODXKKZJQ-UHFFFAOYSA-N 0.000 description 1
- 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 1
- FQERTQNSHXPBQS-UHFFFAOYSA-N dodecylsulfanylphosphonous acid Chemical compound CCCCCCCCCCCCSP(O)O FQERTQNSHXPBQS-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 125000001841 imino group Chemical group [H]N=* 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 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 1
- GJDHSQDAXKCRTL-UHFFFAOYSA-N octoxy(octylsulfanyl)phosphinous acid Chemical compound CCCCCCCCOP(O)SCCCCCCCC GJDHSQDAXKCRTL-UHFFFAOYSA-N 0.000 description 1
- CBFCDTFDPHXCNY-UHFFFAOYSA-N octyldodecane Natural products CCCCCCCCCCCCCCCCCCCC CBFCDTFDPHXCNY-UHFFFAOYSA-N 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 125000001117 oleyl 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])=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 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 239000002540 palm oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920001522 polyglycol ester Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 125000004368 propenyl group Chemical group C(=CC)* 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003216 pyrazines Chemical class 0.000 description 1
- 150000003217 pyrazoles Chemical class 0.000 description 1
- 150000004892 pyridazines Chemical class 0.000 description 1
- 150000003230 pyrimidines Chemical class 0.000 description 1
- 150000003233 pyrroles Chemical class 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 150000004671 saturated fatty acids Chemical class 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 235000001508 sulfur Nutrition 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 150000003505 terpenes Chemical class 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
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 150000004867 thiadiazoles Chemical class 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- UKXMFHBVJMXVCP-UHFFFAOYSA-N tridodecoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound CCCCCCCCCCCCOP(=S)(OCCCCCCCCCCCC)OCCCCCCCCCCCC UKXMFHBVJMXVCP-UHFFFAOYSA-N 0.000 description 1
- OHRVKCZTBPSUIK-UHFFFAOYSA-N tridodecyl phosphate Chemical compound CCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCC)OCCCCCCCCCCCC OHRVKCZTBPSUIK-UHFFFAOYSA-N 0.000 description 1
- YVFHKLYMBACKFA-UHFFFAOYSA-N trioctoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound CCCCCCCCOP(=S)(OCCCCCCCC)OCCCCCCCC YVFHKLYMBACKFA-UHFFFAOYSA-N 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 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
- 239000010698 whale oil Substances 0.000 description 1
- 239000008096 xylene Substances 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
- 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
- C10M107/02—Hydrocarbon polymers; Hydrocarbon polymers modified by oxidation
-
- 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
- C10M135/02—Sulfurised compounds
-
- 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
- C10M135/02—Sulfurised compounds
- C10M135/04—Hydrocarbons
-
- 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
- C10M151/00—Lubricating compositions characterised by the additive being a macromolecular compound containing sulfur, selenium or tellurium
- C10M151/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/17—Fisher Tropsch reaction products
- C10M2205/173—Fisher Tropsch reaction products used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/023—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/28—Amides; Imides
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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
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
-
- 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
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
-
- 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
- C10M2221/00—Organic macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2221/04—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2221/041—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds involving sulfurisation of macromolecular compounds, e.g. polyolefins
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/043—Ammonium or amine salts 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/04—Molecular weight; Molecular weight distribution
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- 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
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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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
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
Definitions
- the present invention relates to a lubricant composition.
- the present invention relates to an automobile lubricant composition having a decreased viscosity, which can be applied to differential gears.
- Lubricant compositions are used in a wide range of applications such as automobile and machinery applications. In recent years, there is a demand to decrease viscosity levels of automobile lubricant compositions in view of fuel cost saving. Meanwhile, decreasing viscosity of a lubricant composition may affect oil film formation ability. Decreasing viscosity of a lubricant may cause the occurrence of wear in a bearing or the like or the occurrence of scoring on a gear tooth surface or the like especially in the field of automobile gear oils and further especially in the field of lubricants used for differential gears, which makes it difficult to deal with the issue of decreasing viscosity. Therefore, the development of an automobile gear oil composition and especially a differential gear oil composition, which can suppress wear in a bearing or the like under conditions that make it difficult to form an oil film at high temperatures even for low viscosity oils, has been awaited.
- the present inventors previously found that it is possible to decrease viscosity of a lubricant using a low viscosity base oil and a high viscosity base oil in combination, thereby simultaneously achieving bearing fatigue life characteristics and fuel cost saving, which are particularly influenced by oil film formation ability.
- the lubricant composition disclosed in Japanese Unexamined Patent Publication (Kokai) No. 2007-039480 is insufficient in terms of ability to prevent wear in a bearing or the like and scoring characteristics on a gear tooth surface or the like.
- Japanese Unexamined Patent Publication (Kokai) No. 2014-012855 discloses a lubricant composition comprising a specific acidic phosphoric acid alkyl ester, a dialkyl amine, and/or a trialkyl amine, a specific sulfur compound lacking a polysulfide bond of -S-S-S- or more sulfur atoms, and if needed, a specific thiophosphoric acid trihydrocarbyl ester.
- the lubricant composition disclosed in Japanese Unexamined Patent Publication (Kokai) No. 2014-012855 relates to a speed-up gear oil composition for wind-power generation, which needs to have resistance to baking and fatigue resistance, and thus, it is not described in terms of scoring.
- the present inventors have an objective to provide a lubricant composition, which can suppress wear in a bearing or the like and scoring on a gear tooth surface or the like even having a decreased viscosity.
- the present inventors found that the above-described objective can be achieved by blending an extreme pressure agent containing a specific amount of active sulfur with a lubricant composition. This has led to the completion of the present invention.
- a lubricant composition comprising a lubricant base oil and a sulfur-based extreme pressure agent, wherein the amount of active sulfur in the extreme pressure agent is from 5% to 30% by weight, and the content of the extreme pressure agent in the composition is from 5% to 15% by weight based on the total weight of the lubricant composition, is provided according to the present invention.
- a preferred embodiment of the present invention further has at least one of the following features (1) to (7).
- the lubricant composition of the present invention can suppress wear in a bearing or the like and scoring on a gear tooth surface or the like even when having a decreased viscosity.
- the lubricant composition of the present invention can be suitably used as an automobile lubricant and further suitable for a transmission gear oil and a differential gear oil.
- a lubricant base oil in the present invention is not particularly limited and a conventionally known lubricant base oil can be used.
- a lubricant base oil include mineral oil-based base oils, synthetic base oils, and mixed base oils thereof.
- a method of producing a mineral oil-based base oil is not limited.
- a mineral oil-based base oil is preferably a highly refined paraffinic mineral oil (mineral oil-based lubricant base oil having a high viscosity index) prepared by treating a hydrorefined oil, a catalytically isomerized oil, or the like through solvent dewaxing, hydrodewaxing, or the like.
- examples of a mineral oil-based base oil other than the above include raffinate obtained by treating a lubricant raw material through solvent purification using an aromatic extraction solvent such as phenol or furfural and hydrotreated oils obtained by hydrotreatment using hydrotreatment catalysts such as cobalt and molybdenum with silica-alumina carriers.
- 100 neutral oil, 150 neutral oil, and 500 neutral oil can be exemplified.
- Examples of a synthetic base oil include a base oil (i.e., Fischer-Tropsch-derived base oil) obtained by hydrocracking and hydroisomerization of a raw material of wax or the like obtained via Fischer-Tropsch synthesis from a natural gas such as methane, poly- ⁇ -olefin base oil (PAO), polybutene, alkylbenzene, polyol ester, polyglycol ester, dibasic acid ester, phosphoric acid ester, and silicone oil.
- a Fischer-Tropsch-derived base oil and a poly- ⁇ -olefin (PAO) base oil are preferable.
- One type of lubricant base oil may be used singly or two or more types of lubricant base oils may be used in combination as long as lubricant oils are selected from mineral oil-based base oils and synthetic base oils described above or any combination thereof.
- a combination of mineral oil-based base oils, a combination of synthetic base oils, or a combination of a mineral oil-based base oil and a synthetic base oil may be used. Embodiments of such combination are not limited. A combination of a mineral oil-based base oil and a synthetic base oil is particularly preferable.
- a synthetic base oil at least one selected from a Fischer-Tropsch-derived base oil and a poly- ⁇ -olefin (PAO) base oil.
- Suitable embodiments of the combination include:
- a combination of a mineral oil-based base oil, a Fischer-Tropsch-derived base oil, and a poly- ⁇ -olefin (PAO) base oil is particularly preferable.
- a mineral oil-based base oil is not limited to one produced by the above-described production method. However, it has a kinetic viscosity of preferably 2 to 35 mm 2 /s, more preferably 2 to 20 mm 2 /s, and still more preferably 3 to 10 mm 2 /s at 100°C.
- a Fischer-Tropsch-derived base oil has a kinetic viscosity of preferably, but not limited to, 2 to 40 mm 2 /s, more preferably 2 to 20 mm 2 /s, still more preferably 2 to 10 mm 2 /s at 100°C.
- Examples of a poly- ⁇ -olefin (PAO) base oil include, but is not limited to. 1-octene oligomer, 1-decene oligomer, ethylene- ⁇ -olefin oligomer, ethylene-propylene oligomer, isobutene oligomer, and hydrogenated products thereof.
- a poly- ⁇ -olefin (PAO) base oil has a kinetic viscosity of preferably 2 to 100 mm 2 /s, more preferably 2 to 50 mm 2 /s, and still more preferably 10 to 50 mm 2 /s at 100°C.
- Kinetic viscosity of a lubricant base oil is not limited unless subject matter of the present invention is impaired.
- a lubricant base oil as a whole has a kinetic viscosity at 100°C of preferably 3 to 40 mm 2 /s, more preferably 4 to 20 mm 2 /s, still more preferably 5 to 15 mm 2 /s, and particularly preferably 8 to 15 mm 2 /s.
- kinetic viscosity at 100°C of a lubricant base oil is above the upper limit, it makes it difficult to decrease viscosity of a lubricant composition, which may be an obstacle to achievement of fuel cost saving.
- the kinetic viscosity at 100°C is below the lower limit, it might make it difficult to ensure wear prevention performance or scoring prevention performance, although fuel cost saving could be achieved.
- the lubricant composition of the present invention comprises a sulfur-based extreme pressure agent as an essential component.
- a sulfur-based extreme pressure agent used in the present invention needs to have an amount of active sulfur of 5% to 30% by weight, which is preferably 5% to 20% by weight, more preferably 5% to 18% by weight, still more preferably 5% to 15% by weight, and particularly preferably 8% to 12% by weight.
- the amount of active sulfur is above the upper limit, it may cause metallic corrosion and make it difficult to ensure wear prevention performance or scoring prevention performance.
- the lower limit of the amount of active sulfur is not particularly limited, the above-described lower limit is preferable for ensuring extreme pressure performance.
- the amount of active sulfur is measured by the method stipulated by ASTM D1662. More specifically, the amount of active sulfur in accordance with ASTM D1662 can be measured by the following procedures.
- a sulfur-based extreme pressure agent in the present invention needs to have a specific amount of active sulfur as described above. It can be selected from known sulfur-based extreme pressure agents. It is preferably at least one selected from sulfide compounds represented by sulfurized olefin and sulfurized esters represented by sulfurized oil and fat and particularly preferably sulfurized olefin.
- a sulfur-based extreme pressure agent used in the present invention is expressed by, for example, following formula (1).
- R 1 and R 2 are each independently a monovalent substituent and contain at least one element selected from carbon, hydrogen, oxygen, and sulfur.
- R 1 and R 2 may be, for example, a saturated or unsaturated hydrocarbon group having a linear or branched structure containing 1 to 40 carbon atoms, which may be an aliphatic, aromatic, or aromatic aliphatic hydrocarbon group. In addition, such group may contain an oxygen and/or sulfur atom.
- R 1 and R 2 may be bound to each other. When they form a single bond, they are expressed by, for example, following formula (2).
- x is an integer of 1 or more and preferably an integer of 1 to 12.
- x is preferably an integer of 1 to 10, more preferably an integer of 1 to 8, and particularly preferably an integer of 2 to 5.
- x is not a single substance but a mixture of substances having different numbers of sulfur atoms, and a compound having a specific number of sulfur atoms selected therefrom can function as active sulfur.
- Sulfurized olefins are obtained by sulfurizing olefins. They are collectively referred to as sulfide compounds including those obtained by sulfurizing hydrocarbon materials other than olefins.
- Sulfurized olefins may be obtained by, for example, sulfurizing olefins such as polyisobutylenes and terpenes with sulfur or other sulfurizing agents.
- sulfide compounds other than sulfurized olefins include diisobutyl disulfide, dioctyl polysulfide, di-tert-butyl polysulfide, diisobutyl polysulfide, dihexyl polysulfide, di-tert-nonyl polysulfide, didecyl polysulfide, didodecyl polysulfide, di-isobutylene polysulfide, dioctenyl polysulfide, and dibenzyl polysulfide.
- Sulfurized oil or fat is a reaction product of oil or fat and sulfur. It can be obtained by a sulfurization reaction with the use of animal or vegetable oil or fat such as lard, beef tallow, whale oil, palm oil, coconut oil, or rapeseed oil.
- the reaction product is not of a single species but a mixture of various substances, and the chemical structure itself is not always clear.
- sulfurized esters may be obtained by sulfurizing ester compounds obtained through reaction between various organic acids (e.g., saturated fatty acid, unsaturated fatty acid, dicarboxylic acid, and aromatic carboxylic acid) and various alcohols with sulfur and other sulfurizing agents.
- organic acids e.g., saturated fatty acid, unsaturated fatty acid, dicarboxylic acid, and aromatic carboxylic acid
- sulfurized esters may be obtained by sulfurizing ester compounds obtained through reaction between various organic acids (e.g., saturated fatty acid, unsaturated fatty acid, dicarboxylic acid, and aromatic carboxylic acid) and various alcohols with sulfur and other sulfurizing agents.
- organic acids e.g., saturated fatty acid, unsaturated fatty acid, dicarboxylic acid, and aromatic carboxylic acid
- the content of the above-described sulfur-based extreme pressure agent in the lubricant composition of the present invention is from 5% by weight to 15% by weight and preferably from 6% by weight to 12% by weight based on the total weight of the lubricant composition.
- the present invention is also characterized in that the content of a sulfur-based extreme pressure agent is greater when compared with conventional lubricant compositions.
- the content is above the upper limit, it tends to cause reduction of thermal oxidation stability and generation of sludge, and further tends to cause metallic corrosion, which is not preferable.
- scoring prevention performance declines, which is not preferable.
- the lubricant composition of the present invention may further contain, as an optional component, a phosphorus-based extreme pressure agent and/or a sulfur-containing phosphorus-based extreme pressure agent.
- a sulfur element contained in the sulfur-containing phosphorus-based extreme pressure agent specified herein is not sulfur measured in accordance with ASTM D1662 (active sulfur), and therefore, the extreme pressure agent is distinguished from the above-mentioned sulfur-based extreme pressure agent.
- a phosphorus-based extreme pressure agent and a sulfur-containing phosphorus-based extreme pressure agent are not particularly limited, and thus, they may be conventionally known products.
- they are each preferably at least one selected from phosphoric acid esters, acidic phosphoric acid esters, phosphorous acid esters, acidic phosphorous acid esters, thiophosphoric acid esters, acidic thiophosphoric acid esters, thiophosphorous acid esters, acidic thiophosphorous acid esters, amine salts of acidic phosphoric acid esters, amine salts of acidic phosphorous acid esters, amine salts of acidic thiophosphoric acid esters, amine salts of acidic thiophosphorous acid esters, phosphoric acid, and phosphorous acid.
- a is 0, 1, 2, or 3.
- R 1 is independently a monovalent hydrocarbon group having 4 to 30 carbon atoms.
- a 0, it means phosphoric acid
- b is 0, 1, or 2.
- R 2 is independently a monovalent hydrocarbon group having 4 to 30 carbon atoms.
- b 0, it means phosphorous acid
- b 1, it means an acidic phosphorous acid ester.
- R 3 , R 4 , and R 5 are hydrogen atoms or monovalent hydrocarbon groups having 4 to 30 carbon atoms.
- X 1 , X 2 , X 3 , and X 4 are each independently an oxygen atom or a sulfur atom. Note that at least one of X 1 , X 2 , X 3 , and X 4 is a sulfur atom.
- R 6 and R 7 are each independently a hydrogen atom or a monovalent hydrocarbon group having 4 to 30 carbon atoms.
- X 5 , X 6 , and X 7 are each independently an oxygen atom or a sulfur atom. Note that at least one of X 5 , X 6 , and X 7 is a sulfur atom.
- Phosphoric acid esters and acidic phosphoric acid esters are, but are not limited to, preferably phosphoric acid monoalkyl esters, phosphoric acid dialkyl esters, and phosphoric acid trialkyl esters.
- Phosphorous acid esters and acidic phosphorous acid esters are preferably, but not limited to, phosphorous acid monoalkyl esters and phosphorous acid dialkyl esters.
- Thiophosphoric acid esters and acidic thiophosphoric acid esters are preferably, but not limited to, thiophosphoric acid monoalkyl esters, thiophosphoric acid dialkyl esters, and thiophosphoric acid trialkyl esters.
- Thiophosphorous acid esters are preferably, but not limited to, thiophosphorous acid monoalkyl esters and thiophosphorous acid dialkyl esters.
- examples of phosphoric acid esters, phosphorous acid esters, thiophosphoric acid esters, and thiophosphorous acid esters include, but are not limited to, monooctyl phosphate, dioctyl phosphate, trioctyl phosphate, monooctyl phosphite, dioctyl phosphite, monooctyl thiophosphate, dioctyl thiophosphate, trioctyl thiophosphate, monooctyl thiophosphite, dioctyl thiophosphite, monododecyl phosphate, didodecyl phosphate, tridodecyl phosphate, monododecyl phosphite, didodecyl phosphite, monododecyl thiophosphate, tridodecyl phosphate, monododecyl pho
- alkylamine salts and alkenyl amine salts of those selected from the above compounds which are partially esterified may also be suitably used.
- amine salts of acidic phosphoric acid esters, amine salts of acidic phosphorous acid esters, amine salts of acidic thiophosphoric acid esters, and amine salts of acidic thiophosphorous acid esters can be used while the present invention is not limited thereto.
- examples thereof include amine salts of monooctyl phosphate, amine salts of dioctyl phosphate, amine salts of monooctyl phosphite, amine salts of monooctyl thiophosphate, amine salts of dioctyl thiophosphate, amine salts of monooctyl thiophosphite, amine salts of monododecyl phosphate, amine salts of didodecyl phosphate, amine salts of monododecyl phosphite, amine salts of monododecyl thiophosphate, amine salts of didodecyl phosphate, amine salts of monooctadecenyl phosphate, amine salts of dioctadecenyl phosphate, amine salts of monooctadecenyl phosphite, amine salts of mono
- amine in an amine salt is represented by R 8 R 9 R 10 N.
- R 8 , R 9 , and R 10 are each independently hydrogen or a saturated or unsaturated aliphatic hydrocarbon group having a linear or branched structure containing 1 to 20 carbon atoms. More specifically, examples thereof include a methyl group, an ethyl group, a propyl group, a butyl group, a nonyl group, a dodecyl group, a propenyl group, a butenyl group, and an oleyl group.
- phosphorus-based extreme pressure agents and sulfur-containing phosphorus-based extreme pressure agents can be used singly or two or more thereof can be used in combination. When they are used in combination, they can be used in, for example, the following embodiments but are not limited thereto.
- the amounts of the above-described phosphorus-based extreme pressure agents and sulfur-containing phosphorus-based extreme pressure agents to be added are not limited and can be appropriately adjusted.
- the amount of such extreme pressure agent is preferably 10% by weight or less, more preferably from 1% to 8% by weight, and still more preferably from 2% to 6% by weight based on the total weight of the lubricant composition.
- the content is above the upper limit, it may exacerbate scoring prevention performance on a tooth surface or the like, which is not preferable.
- the content is not less than the lower limit based on the total weight of the lubricant composition, it further contributes to wear prevention performance.
- the lubricant composition of the present invention may further comprise an ashless dispersant.
- ashless dispersants can be used without particular limitations. Examples thereof include a nitrogen-containing compound which has in its molecule at least one alkyl group or alkenyl group having a linear or branched structure containing 40-400 carbon atoms, and derivatives thereof, and a modified alkenyl succinimide.
- One type of ashless dispersant may be used singly or two or more types of ashless dispersants may be used in combination.
- a boronated ashless dispersant are obtained by boronating any ashless dispersant used in lubricants. In general, boronation is carried out by allowing boric acid to act on an imide compound, thereby neutralizing a part or all of remaining amino and/or imino groups remain.
- the above-described alkyl group or alkenyl group has preferably 40 to 400 carbon atoms and more preferably 60 to 350 carbon atoms.
- the numbers of carbon atoms of alkyl and alkenyl groups are below the lower limit, solubility of the compound in a lubricant base oil tends to decline.
- the numbers of carbon atoms of alkyl and alkenyl groups are above the upper limit, low-temperature fluidity of the lubricant composition tends to deteriorate.
- the alkyl and alkenyl groups each may have a linear or branched structure.
- Preferable examples thereof include a branched alkyl or alkenyl group derived from oligomer of olefin such as propylene, 1-butene, or isobutylene, and cooligomer of ethylene and propylene.
- alkenyl succinimide is so-called mono-type succinimide which is a reaction product of one end of polyamine and succinic anhydride and another type of alkenyl succinimide is a so-called bis-type succinimide which is a reaction product of both ends of polyamine and succinic anhydride.
- the lubricant composition of the present invention may comprise either or both of mono-type and bis-type succinimides.
- modified alkenyl succinimide is obtained by, for example, modifying alkenyl succinimide with a boron compound (hereinafter sometimes referred to as "boronated succinimide").
- Modifying with a boron compound means boronation.
- Boronated succinimide may be used singly or in combination of two or more thereof. In the case of combination use, two or more types of boronated succinimide may be used in combination. In addition, both of mono-type and bis-type succinimides may be contained. Mono-type or bis-type succinimides may be used in combination. Alternatively, boronated succinimide and non-boronated succinimide may be used in combination.
- Examples of a method of producing boronated succinimide include methods disclosed in Japanese Examined Patent Publication (Kokoku) Nos. S42-8013 and S42-8014 , and Japanese Unexamined Patent Publication (Kokai) Nos. S51-52381 and S51-130408 .
- boronated succinimide by, for example, mixing polyamine, polyalkenyl succinic acid (anhydride), and a boronated compound such as boric acid, boric acid ester, or borate with an organic solvent such as alcohol, hexane, or xylene, a light lubricant base oil, and the like, and heat-treating the mixture under appropriate conditions.
- the boron content in boronated succinimide obtained in such manner can be usually set to 0.1% to 4% by weight.
- a boron-modified compound of alkenyl succinimide (boronated succinimide) is particularly preferable because it is excellent in terms of heat resistance, oxidation resistance, and wear prevention performance.
- the content of boron in a boronated ashless dispersant is usually, but not limited to, from 0.1% to 3% by weight based on the weight of the ashless dispersant.
- the content of boron in the ashless dispersant is preferably not less than 0.2% by weight, more preferably not less than 0.4% by weight, while it is preferably not more than 2.5% by weight, more preferably not more than 2.3% by weight, and still more preferably not more than 2.0% by weight.
- Such boronated ashless dispersant is preferably boronated succinimide and particularly preferably boronated bis-succinimide.
- the boronated ashless dispersant has a boron/nitrogen weight ratio (B/N ratio) of not less than 0.1 and preferably not less than 0.2 while it is preferably less than 1.0 and more preferably not more than 0.8.
- the content of the ashless dispersant in the composition may be appropriately adjusted. For example, it is preferably from 0.01% to 20% by weight and more preferably from 0.1% to 10% by weight based on the total weight of the lubricant composition.
- the content of the ashless dispersant is below the lower limit, sludge dispersibility may become insufficient.
- the content is above the upper limit, it may cause deterioration of a specific rubber material or low-temperature fluidity.
- the lubricant composition of the present invention may comprise, as additives other than above components (A) to (D), a viscosity index improver, an antioxidant, a metallic cleaner, a friction modifier, a corrosion inhibitor, a rust inhibitor, a demulsifier, a metal deactivator, a defoamer, and a pour point depressant.
- a viscosity index improver an antioxidant, a metallic cleaner, a friction modifier, a corrosion inhibitor, a rust inhibitor, a demulsifier, a metal deactivator, a defoamer, and a pour point depressant.
- a viscosity index improver examples include a so-called non-dispersant viscosity index improver such as a polymer or copolymer of one type or two or more types of monomers selected from various methacrylic acid esters or a hydrogenated product thereof, a so-called dispersant viscosity index improver obtained by copolymerizing various methacrylic acid esters containing nitrogen compounds, a non-dispersant or dispersant ethylene- ⁇ -olefin copolymer (e.g., propylene, 1-butene, or 1-pentene as ⁇ -olefin) or a hydrogenated product thereof, polyisobutylene or a hydrogenated product thereof, a hydrogenated product of a styrene-diene copolymer, a styrene-maleic anhydride ester copolymer, and polyalkyl styrene.
- a so-called non-dispersant viscosity index improver such as
- the molecular weight of a viscosity index improver needs to be selected in consideration of shear stability of the lubricant composition.
- the weight-average molecular weight of a viscosity index improver that can be used is usually from 5,000 to 1,000,000 and preferably from 100,000 to 900,000 for dispersant or non-dispersant polymethacrylate, it is usually from 800 to 5,000 and preferably from 1,000 to 4,000 for polyisobutylene or a hydrogenated product thereof, it is usually from 800 to 500,000 and preferably from 3,000 to 200,000 for an ethylene- ⁇ -olefin copolymer or a hydrogenated product thereof.
- a lubricant composition which has particularly excellent shear stability can be obtained.
- One type or two or more types of compounds selected from the above-described viscosity index improvers in arbitrary amounts can be mixed.
- the content of a viscosity index improver in the lubricant composition is from 0.01% to 20% by weight, preferably from 0.02% to 10% by weight, and more preferably from 0.05% to 5% by weight based on the total amount of the composition.
- Antioxidants may be those usually used in lubricants, which are, for example, ashless antioxidants such as phenolic antioxidants and amine antioxidants and organometallic antioxidants. It is possible to increase oxidation stability of the lubricant composition with the addition of an antioxidant.
- Examples of a metallic cleaner include those containing compounds selected from sulfonate, phenate, salicylate, or carboxylate of calcium, magnesium, barium, or the like. It is possible to arbitrarily select and use overbased salts, basic salts, neutral salts, and the like having different base values.
- the content of a metallic cleaner blended in the lubricant composition is usually from 0.01% to 1% by weight in terms of an amount of metal.
- Examples of a friction modifier include organomolybdenum compounds, fatty acids, fatty acid esters, fats and oils, alcohols, amines, and amides.
- a friction modifier is usually blended in an amount of 0.01% to 5% by weight in the lubricant composition.
- Examples of a corrosion inhibitor include benzotriazole, tolyltriazole, thiadiazole and imidazole compounds.
- An antioxidant is usually blended in an amount of 0.1% to 5% by weight in the lubricant composition.
- a rust inhibitor examples include petroleum sulfonates, alkyl sulfonates, fatty acids, fatty acid soaps, fatty acid amines, alkyl polyoxyalkylenes, alkenyl succinic acid esters, and polyhydric alcohol fatty acid esters.
- a rust inhibitor is usually blended in an amount of 0.01% to 5% by weight in the lubricant composition.
- demulsifier examples include polyalkylene glycol-based nonionic surfactants such as polyoxyethylene alkyl ethers, polyoxyethylene alkyl phenyl ethers, and polyoxyethylene alkyl naphthyl ethers.
- a demulsifier is usually blended in an amount of 0.01% to 5% by weight in the lubricant composition.
- Examples of a metal deactivator include pyrroles, imidazoles, pyrazoles, pyrazines, pyrimidines, pyridazines, triazines, triazoles, thiazoles, and thiadiazoles.
- a metal deactivator is usually blended in an amount of 0.01% to 3% by weight in the lubricant composition.
- Examples of a defoamer include dimethyl polysiloxanes and fluorinated derivatives thereof, polyacrylates and fluorinated derivatives thereof, and perfluoropolyethers.
- a defoamer is usually blended in an amount of 0.001% to 1% by weight in the lubricant composition.
- a pour point depressant for example, a polymethacrylate-based polymer or the like, which is suitable for a lubricant base oil to be used, can be used.
- a pour point depressant is usually blended in an amount of 0.01% to 3% by weight in the lubricant composition.
- Kinetic viscosity at 40°C of the lubricant composition of the present invention is preferably from 20 to 120 mm 2 /s, more preferably from 40 to 100 mm 2 /s, and still more preferably from 50 to 80 mm 2 /s.
- Kinetic viscosity at 100°C of the lubricant composition of the present invention is preferably from 3 to 40 mm 2 /s, more preferably from 4 to 20 mm 2 /s, still more preferably from 5 to 15 mm 2 /s, and particularly preferably from 8 to 15 mm 2 /s.
- Components used in the Examples and Comparative Examples are as follows. Components described below are mixed with the compositions listed in Table 1 to prepare lubricant compositions.
- KV40 represents kinetic viscosity at 40°C
- KV100 represents kinetic viscosity at 100°C
- VI represents viscosity index.
- the lubricant composition of the present invention has excellent wear prevention performance, scoring prevention performance, and oxidation stability.
- the lubricant composition of the present invention can suppress wear in a bearing or the like and scoring on a gear tooth surface or the like even when having a decreased viscosity.
- the lubricant composition of the present invention can be preferably used for automobile lubricants and particularly preferable for transmission gear oil and differential gear oils.
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016013271A JP2017132875A (ja) | 2016-01-27 | 2016-01-27 | 潤滑油組成物 |
| PCT/JP2017/002825 WO2017131121A1 (ja) | 2016-01-27 | 2017-01-26 | 潤滑油組成物 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP3409751A1 true EP3409751A1 (de) | 2018-12-05 |
| EP3409751A4 EP3409751A4 (de) | 2019-07-24 |
| EP3409751B1 EP3409751B1 (de) | 2021-12-15 |
Family
ID=59398775
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| Application Number | Title | Priority Date | Filing Date |
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| EP17744351.2A Revoked EP3409751B1 (de) | 2016-01-27 | 2017-01-26 | Schmiermittelzusammensetzung |
Country Status (5)
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| US (1) | US20190048284A1 (de) |
| EP (1) | EP3409751B1 (de) |
| JP (1) | JP2017132875A (de) |
| SG (1) | SG11201806375XA (de) |
| WO (1) | WO2017131121A1 (de) |
Families Citing this family (10)
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|---|---|---|---|---|
| JP6730122B2 (ja) * | 2016-07-28 | 2020-07-29 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| BR112020002916A2 (pt) * | 2017-08-29 | 2020-07-28 | Basf Se | composição lubrificante, método de lubrificar uma superfície no sincronizador de uma transmissão, transmissão, caixa de engrenagens, e, veículo. |
| JP2019123818A (ja) * | 2018-01-18 | 2019-07-25 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| JP2019123855A (ja) * | 2018-01-18 | 2019-07-25 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| JP2019151804A (ja) * | 2018-03-06 | 2019-09-12 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| JP2020026488A (ja) * | 2018-08-13 | 2020-02-20 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| JP2020070404A (ja) * | 2018-11-02 | 2020-05-07 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| JP2020090557A (ja) * | 2018-12-03 | 2020-06-11 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| JP2020090558A (ja) * | 2018-12-03 | 2020-06-11 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
| JP7261528B2 (ja) * | 2019-02-15 | 2023-04-20 | エクソンモービル・テクノロジー・アンド・エンジニアリング・カンパニー | 潤滑油組成物 |
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| IT1054641B (it) | 1974-08-05 | 1981-11-30 | Mobil Oil Corp | Prodotti di reazione costituiti da aminoalcoli e composizioni che li contengono |
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| US4873006A (en) * | 1988-09-01 | 1989-10-10 | The Lubrizol Corporation | Compositions containing active sulfur |
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| US5840672A (en) * | 1997-07-17 | 1998-11-24 | Ethyl Corporation | Antioxidant system for lubrication base oils |
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| EP3034492B1 (de) * | 2013-09-24 | 2020-11-25 | DIC Corporation | Verfahren zur herstellung von dialkylpolysulfid, dialkylpolysulfid, extremdruckadditiv und schmierflüssigkeitszusammensetzung |
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| WO2015129022A1 (ja) | 2014-02-28 | 2015-09-03 | コスモ石油ルブリカンツ株式会社 | エンジン油組成物 |
| CA2957073C (en) | 2014-08-06 | 2023-08-29 | The Lubrizol Corporation | Industrial gear lubricant additive package with biodegradable sulfur component |
| JP6533666B2 (ja) | 2015-02-10 | 2019-06-19 | 日本電子材料株式会社 | プローブユニット |
| CN108431189A (zh) * | 2015-11-06 | 2018-08-21 | 路博润公司 | 低粘度齿轮润滑剂 |
| JP6730122B2 (ja) * | 2016-07-28 | 2020-07-29 | Ｅｍｇルブリカンツ合同会社 | 潤滑油組成物 |
-
2016
- 2016-01-27 JP JP2016013271A patent/JP2017132875A/ja active Pending
-
2017
- 2017-01-26 US US16/073,213 patent/US20190048284A1/en not_active Abandoned
- 2017-01-26 WO PCT/JP2017/002825 patent/WO2017131121A1/ja active Application Filing
- 2017-01-26 EP EP17744351.2A patent/EP3409751B1/de not_active Revoked
- 2017-01-26 SG SG11201806375XA patent/SG11201806375XA/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SG11201806375XA (en) | 2018-08-30 |
| JP2017132875A (ja) | 2017-08-03 |
| EP3409751B1 (de) | 2021-12-15 |
| WO2017131121A1 (ja) | 2017-08-03 |
| EP3409751A4 (de) | 2019-07-24 |
| US20190048284A1 (en) | 2019-02-14 |
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