JP6895387B2 - 内燃機関用潤滑油組成物 - Google Patents
内燃機関用潤滑油組成物 Download PDFInfo
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- JP6895387B2 JP6895387B2 JP2017555065A JP2017555065A JP6895387B2 JP 6895387 B2 JP6895387 B2 JP 6895387B2 JP 2017555065 A JP2017555065 A JP 2017555065A JP 2017555065 A JP2017555065 A JP 2017555065A JP 6895387 B2 JP6895387 B2 JP 6895387B2
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- Prior art keywords
- lubricating oil
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- oil composition
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- 239000010687 lubricating oil Substances 0.000 title claims description 187
- 239000000203 mixture Substances 0.000 title claims description 145
- 238000002485 combustion reaction Methods 0.000 title claims description 31
- 239000002199 base oil Substances 0.000 claims description 91
- 238000000034 method Methods 0.000 claims description 35
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 34
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 239000003921 oil Substances 0.000 claims description 34
- 229910052717 sulfur Inorganic materials 0.000 claims description 34
- 239000011593 sulfur Substances 0.000 claims description 33
- 239000011575 calcium Substances 0.000 claims description 28
- 239000012459 cleaning agent Substances 0.000 claims description 27
- 239000011777 magnesium Substances 0.000 claims description 25
- 239000000654 additive Substances 0.000 claims description 23
- 125000003118 aryl group Chemical group 0.000 claims description 21
- 229910052750 molybdenum Inorganic materials 0.000 claims description 18
- 239000011733 molybdenum Substances 0.000 claims description 18
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 17
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 17
- 239000003963 antioxidant agent Substances 0.000 claims description 17
- 230000001050 lubricating effect Effects 0.000 claims description 17
- 229910052749 magnesium Inorganic materials 0.000 claims description 17
- 230000003078 antioxidant effect Effects 0.000 claims description 16
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 15
- 229910052791 calcium Inorganic materials 0.000 claims description 15
- 239000011701 zinc Substances 0.000 claims description 15
- 150000001412 amines Chemical class 0.000 claims description 13
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 13
- 238000007670 refining Methods 0.000 claims description 12
- 239000002994 raw material Substances 0.000 claims description 11
- 238000011282 treatment Methods 0.000 claims description 11
- 239000001993 wax Substances 0.000 claims description 11
- 239000010779 crude oil Substances 0.000 claims description 10
- 239000002904 solvent Substances 0.000 claims description 10
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 9
- 239000012188 paraffin wax Substances 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 8
- 238000004517 catalytic hydrocracking Methods 0.000 claims description 8
- 238000004821 distillation Methods 0.000 claims description 8
- 239000002480 mineral oil Substances 0.000 claims description 8
- 235000010446 mineral oil Nutrition 0.000 claims description 8
- 229910052725 zinc Inorganic materials 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 7
- 239000004927 clay Substances 0.000 claims description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 5
- 229910052796 boron Inorganic materials 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000012990 dithiocarbamate Substances 0.000 claims description 4
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 4
- 239000001095 magnesium carbonate Substances 0.000 claims description 4
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 4
- CCBXBMKHVFTUMN-UHFFFAOYSA-L C(N)([S-])=S.[Mo+2]=S.C(N)([S-])=S Chemical compound C(N)([S-])=S.[Mo+2]=S.C(N)([S-])=S CCBXBMKHVFTUMN-UHFFFAOYSA-L 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 238000005292 vacuum distillation Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims description 2
- 238000005406 washing Methods 0.000 claims description 2
- -1 isoparaffin Chemical class 0.000 description 56
- 125000000217 alkyl group Chemical group 0.000 description 54
- 239000000178 monomer Substances 0.000 description 38
- 125000004432 carbon atom Chemical group C* 0.000 description 34
- 239000000446 fuel Substances 0.000 description 33
- 229910052799 carbon Inorganic materials 0.000 description 29
- 150000001875 compounds Chemical class 0.000 description 25
- 125000003342 alkenyl group Chemical group 0.000 description 23
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 22
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 22
- 239000003607 modifier Substances 0.000 description 19
- 230000000996 additive effect Effects 0.000 description 17
- 150000002430 hydrocarbons Chemical group 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 16
- 239000005078 molybdenum compound Substances 0.000 description 15
- 150000002752 molybdenum compounds Chemical class 0.000 description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- 239000002253 acid Substances 0.000 description 13
- 229920006395 saturated elastomer Polymers 0.000 description 13
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 12
- 239000012298 atmosphere Substances 0.000 description 12
- 238000005984 hydrogenation reaction Methods 0.000 description 12
- 229960001860 salicylate Drugs 0.000 description 12
- 229960002317 succinimide Drugs 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 230000003749 cleanliness Effects 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 10
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- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 229920001577 copolymer Polymers 0.000 description 9
- 239000010705 motor oil Substances 0.000 description 9
- 229920000768 polyamine Polymers 0.000 description 9
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- 230000003647 oxidation Effects 0.000 description 8
- 238000007254 oxidation reaction Methods 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 229920000193 polymethacrylate Polymers 0.000 description 8
- 230000001629 suppression Effects 0.000 description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 7
- 239000003054 catalyst Substances 0.000 description 7
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 7
- 150000003839 salts Chemical class 0.000 description 7
- 150000001342 alkaline earth metals Chemical class 0.000 description 6
- 239000002585 base Substances 0.000 description 6
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 6
- 150000004678 hydrides Chemical class 0.000 description 6
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 5
- 230000000415 inactivating effect Effects 0.000 description 5
- 239000003112 inhibitor Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 150000002751 molybdenum Chemical class 0.000 description 5
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 5
- 230000001603 reducing effect Effects 0.000 description 5
- 239000004711 α-olefin Substances 0.000 description 5
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 150000004996 alkyl benzenes Chemical class 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 235000014113 dietary fatty acids Nutrition 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000000194 fatty acid Substances 0.000 description 4
- 229930195729 fatty acid Natural products 0.000 description 4
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000006317 isomerization reaction Methods 0.000 description 4
- 239000000314 lubricant Substances 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 4
- 229920013639 polyalphaolefin Polymers 0.000 description 4
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 150000001447 alkali salts Chemical class 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 125000003277 amino group Chemical group 0.000 description 3
- 239000002518 antifoaming agent Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
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- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 description 3
- 125000001841 imino group Chemical group [H]N=* 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 3
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- NAWXUBYGYWOOIX-SFHVURJKSA-N (2s)-2-[[4-[2-(2,4-diaminoquinazolin-6-yl)ethyl]benzoyl]amino]-4-methylidenepentanedioic acid Chemical compound C1=CC2=NC(N)=NC(N)=C2C=C1CCC1=CC=C(C(=O)N[C@@H](CC(=C)C(O)=O)C(O)=O)C=C1 NAWXUBYGYWOOIX-SFHVURJKSA-N 0.000 description 2
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 2
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 2
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- MQHWFIOJQSCFNM-UHFFFAOYSA-L Magnesium salicylate Chemical compound [Mg+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O MQHWFIOJQSCFNM-UHFFFAOYSA-L 0.000 description 2
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- 229910019142 PO4 Inorganic materials 0.000 description 2
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- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 description 2
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- 230000002159 abnormal effect Effects 0.000 description 2
- 125000000738 acetamido group Chemical group [H]C([H])([H])C(=O)N([H])[*] 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 2
- MWPLVEDNUUSJAV-UHFFFAOYSA-N anthracene Chemical compound C1=CC=CC2=CC3=CC=CC=C3C=C21 MWPLVEDNUUSJAV-UHFFFAOYSA-N 0.000 description 2
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- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
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- AVVIDTZRJBSXML-UHFFFAOYSA-L calcium;2-carboxyphenolate;dihydrate Chemical compound O.O.[Ca+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O AVVIDTZRJBSXML-UHFFFAOYSA-L 0.000 description 2
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- 125000004915 dibutylamino group Chemical group C(CCC)N(CCCC)* 0.000 description 2
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- 238000000113 differential scanning calorimetry Methods 0.000 description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 2
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- 125000004573 morpholin-4-yl group Chemical group N1(CCOCC1)* 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
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- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
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- 125000004076 pyridyl group Chemical group 0.000 description 2
- CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 2
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 2
- 125000004929 pyrrolidonyl group Chemical group N1(C(CCC1)=O)* 0.000 description 2
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Classifications
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- C—CHEMISTRY; METALLURGY
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- 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
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
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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
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
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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
- C10M125/00—Lubricating compositions characterised by the additive being an inorganic material
- C10M125/22—Compounds containing sulfur, selenium or tellurium
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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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
-
- 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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/48—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring
- C10M129/54—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
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- C—CHEMISTRY; METALLURGY
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Description
本発明の潤滑油組成物においては、基油として、100℃における動粘度が2〜8mm2/sであり、かつ芳香族含有量が10質量%以下である潤滑油基油(以下において「本実施形態に係る潤滑油基油」ということがある。)が用いられる。
(1)パラフィン基系原油および/または混合基系原油の常圧蒸留による留出油
(2)パラフィン基系原油および/または混合基系原油の常圧蒸留残渣油の減圧蒸留による留出油(WVGO)
(3)潤滑油脱ろう工程により得られるワックス(スラックワックス等)および/またはガストゥリキッド(GTL)プロセス等により得られる合成ワックス(フィッシャートロプシュワックス、GTLワックス等)
(4)基油(1)〜(3)から選ばれる1種または2種以上の混合油および/または当該混合油のマイルドハイドロクラッキング処理油
(5)基油(1)〜(4)から選ばれる2種以上の混合油
(6)基油(1)、(2)、(3)、(4)または(5)の脱れき油(DAO)
(7)基油(6)のマイルドハイドロクラッキング処理油(MHC)
(8)基油(1)〜(7)から選ばれる2種以上の混合油。
(9)上記基油(1)〜(8)から選ばれる基油または当該基油から回収された潤滑油留分を水素化分解し、その生成物またはその生成物から蒸留等により回収される潤滑油留分について溶剤脱ろうや接触脱ろうなどの脱ろう処理を行い、または当該脱ろう処理をした後に蒸留することによって得られる水素化分解基油
(10)上記基油(1)〜(8)から選ばれる基油または当該基油から回収された潤滑油留分を水素化異性化し、その生成物またはその生成物から蒸留等により回収される潤滑油留分について溶剤脱ろうや接触脱ろうなどの脱ろう処理を行い、または、当該脱ろう処理をしたあとに蒸留することによって得られる水素化異性化基油。脱ろう工程としては接触脱ろう工程を経て製造された基油が好ましい。
本発明の潤滑油組成物は、(B)金属系清浄剤(以下において「(B)成分」ということがある。)として、(B1)炭酸カルシウムで過塩基化された金属系清浄剤(以下において「(B1)成分」ということがある。)と、(B2)炭酸マグネシウムで過塩基化された金属系清浄剤(以下において「(B2)成分」ということがある。)とを含有する。(B)成分としては例えば、フェネート系清浄剤、スルホネート系清浄剤、サリシレート系清浄剤を挙げることができる。また、これら金属系清浄剤は単独で又は2種以上を組み合わせて用いることができる。
アルカリ土類金属としては、例えば、マグネシウム、バリウム、カルシウムが挙げられ、マグネシウム又はカルシウムが好ましい。アルキル芳香族スルホン酸としては、例えば、いわゆる石油スルホン酸や合成スルホン酸が挙げられる。ここでいう石油スルホン酸としては、鉱油の潤滑油留分のアルキル芳香族化合物をスルホン化したものや、ホワイトオイル製造時に副生する、いわゆるマホガニー酸等が挙げられる。また、合成スルホン酸の一例としては、洗剤の原料となるアルキルベンゼン製造プラントにおける副生成物を回収すること、もしくは、ベンゼンをポリオレフィンでアルキル化することにより得られる、直鎖状または分枝状のアルキル基を有するアルキルベンゼンをスルホン化したものを挙げることができる。合成スルホン酸の他の一例としては、ジノニルナフタレン等のアルキルナフタレンをスルホン化したものを挙げることができる。また、これらアルキル芳香族化合物をスルホン化する際のスルホン化剤としては、特に制限はなく、例えば発煙硫酸や無水硫酸を用いることができる。
(B)成分の金属比=(B)成分における金属元素の価数×(B)成分の金属含有量(mol)/(B)成分のせっけん基含有量(mol)
潤滑油組成物中の(B2)成分の含有量は、潤滑油組成物中のマグネシウム含有量が、潤滑油組成物全量基準で300質量ppm以上、好ましくは350〜600質量ppmとなる量である。マグネシウム含有量が上記下限値以上であることにより、LSPIを抑制しながらもエンジン清浄性を高めることができる。またマグネシウム含有量が上記上限値以下であることにより、摩擦係数の上昇を抑制できる。
本発明の潤滑油組成物は、(C)モリブデン系摩擦調整剤として、硫化モリブデンジチオカーバメート又は硫化オキシモリブデンジチオカーバメート(以下において「(C)成分」ということがある。)を含有する。(C)成分としては、例えば次の式(3)で表される化合物を用いることができる。
本発明の潤滑油組成物は、(D)酸化防止剤として、アミン系酸化防止剤および/またはフェノール系酸化防止剤(以下において「(D)成分」ということがある。)を含有することが好ましい。アミン系酸化防止剤としては例えば、アルキル化ジフェニルアミン、アルキル化フェニル−α−ナフチルアミン、フェニル−α−ナフチルアミン、フェニル−β−ナフチルアミン等の公知のアミン系酸化防止剤を特に制限なく用いることができる。またフェノール系酸化防止剤としては例えば、2,6−ジ−tert−ブチル−4−メチルフェノール(DBPC)、4,4'−メチレンビス(2,6−ジ−tert−ブチルフェノール)等の公知のフェノール系酸化防止剤を特に制限なく用いることができる。本発明の潤滑油組成物に酸化防止剤を含有させる場合、その含有量は、潤滑油組成物全量基準で、通常0.1〜5質量%である。
本発明の潤滑油組成物は、(E)ジアルキルジチオリン酸亜鉛(ZnDTP;以下において「(E)成分」ということがある。)を含有することが好ましい。(E)成分としては、例えば次の式(4)で表される化合物を用いることができる。
本発明の潤滑油組成物は、(F)腐食防止剤または金属不活性化剤(以下において「(F)成分」ということがある。)を含むことが好ましい。(F)成分としては、例えば、ベンゾトリアゾール系、トリルトリアゾール系、チアジアゾール系、及びイミダゾール系化合物等の公知の腐食防止剤や、イミダゾリン、ピリミジン誘導体、アルキルチアジアゾール、メルカプトベンゾチアゾール、ベンゾトリアゾール及びその誘導体、1,3,4−チアジアゾールポリスルフィド、1,3,4−チアジアゾリル−2,5−ビスジアルキルジチオカーバメート、2−(アルキルジチオ)ベンゾイミダゾール、並びにβ−(o−カルボキシベンジルチオ)プロピオンニトリル等の公知の金属不活性化剤を特に制限なく用いることができる。本発明の潤滑油組成物に(F)成分を含有させる場合、その含有量は、組成物全量基準で、通常0.005〜5質量%である。
本発明の潤滑油組成物は、(G)窒素含有無灰分散剤(以下において「(G)成分」ということがある。)を含有してもよい。
(G)成分としては、例えば、以下の(G−1)〜(G−3)から選ばれる1種以上の化合物を用いることができる。
(G−1)アルキル基もしくはアルケニル基を分子中に少なくとも1個有するコハク酸イミドまたはその誘導体(以下において「成分(G−1)」ということがある。)、
(G−2)アルキル基もしくはアルケニル基を分子中に少なくとも1個有するベンジルアミンまたはその誘導体(以下において「成分(G−2)」ということがある。)、
(G−3)アルキル基もしくはアルケニル基を分子中に少なくとも1個有するポリアミンまたはその誘導体(以下において「成分(G−3)」ということがある。)。
成分(G−1)のうち、アルキル基もしくはアルケニル基を分子中に少なくとも1個有するコハク酸イミドとしては、下記式(5)または式(6)で表される化合物を例示できる。
式(5)及び式(6)におけるアルキル基またはアルケニル基(R11〜R13)の好適な数平均分子量は800〜3500である。
本発明の潤滑油組成物は、(H)粘度指数向上剤(以下において「(H)成分」ということがある。)を含有することが好ましい。(H)成分の例としては、非分散型もしくは分散型ポリ(メタ)アクリレート系粘度指数向上剤、(メタ)アクリレート−オレフィン共重合体、非分散型もしくは分散型エチレン−α−オレフィン共重合体又はその水素化物、ポリイソブチレン又はその水素化物、スチレン−ジエン水素化共重合体、スチレン−無水マレイン酸エステル共重合体、及びポリアルキルスチレン等を挙げることができる。
本発明の潤滑油組成物には、さらにその性能を向上させるために、その目的に応じて潤滑油に一般的に使用されている他の添加剤を含有させることができる。そのような添加剤としては、例えば、(C)成分以外の摩擦調整剤、摩耗防止剤(または極圧剤)、防錆剤、抗乳化剤、消泡剤等の添加剤等を挙げることができる。
本発明の潤滑油組成物の100℃における動粘度は、4.0〜12mm2/sであることが好ましく、より好ましくは9.3mm2/s以下、さらに好ましくは8.2mm2/s以下、特に好ましくは7.1mm2/s以下、最も好ましくは6.8mm2/s以下である。また、より好ましくは5.0mm2/s以上、さらに好ましくは5.5mm2/s以上、特に好ましくは6.1mm2/s以上、最も好ましくは6.3mm2/s以上である。潤滑油組成物の100℃における動粘度が4.0mm2/s未満の場合には、潤滑性不足を来たすおそれがあり、12mm2/sを超える場合には必要な低温粘度および十分な省燃費性能が得られないおそれがある。
rS=([S]+[Mo]+[Zn])/([Mg]+2×[Ca]) …(1)
(数式(1)中、[S]は添加剤由来の硫黄分(単位:質量ppm)を表し、[Mo]は潤滑油組成物中のモリブデン含有量(単位:質量ppm)を表し、[Zn]は潤滑油組成物中の亜鉛含有量(単位:質量ppm)を表し、[Mg]は潤滑油組成物中のマグネシウム含有量(単位:質量ppm)を表し、[Ca]は潤滑油組成物中のカルシウム含有量(単位:質量ppm)を表す。)
パラメタrSの値が上記範囲内であることにより、省燃費性、エンジン清浄性、LSPI抑制性の全ての性能をバランス良く満たすことが可能となる。
rS’=([S]’+[Mo]+[Zn])/([Mg]+2×[Ca]) …(2)
(数式(2)中、[S]’はスルホネート系清浄剤以外の添加剤に由来する硫黄分(単位:質量ppm)を表し、[Mo]は潤滑油組成物中のモリブデン含有量(単位:質量ppm)を表し、[Zn]は潤滑油組成物中の亜鉛含有量(単位:質量ppm)を表し、[Mg]は潤滑油組成物中のマグネシウム含有量(単位:質量ppm)を表し、[Ca]は潤滑油組成物中のカルシウム含有量(単位:質量ppm)を表す。)
パラメタrS’の値が上記範囲内であることにより、省燃費性、エンジン清浄性、LSPI抑制性の全ての性能をバランス良く満たすことが可能となる。
本発明の第2の態様に係る内燃機関のLSPI抑制方法は、上記説明した本発明の第1の態様に係る潤滑油組成物を用いて内燃機関のシリンダを潤滑しながら、該内燃機関を運転する工程を有する。本発明のLSPI抑制方法においては、本発明の潤滑油組成物が少なくともシリンダの潤滑に用いられ、内燃機関のシリンダ以外の部位がシリンダとともに本発明の潤滑油組成物によって潤滑されてもよい。上記説明した潤滑油組成物を用いて内燃機関のシリンダを潤滑するにあたっては、公知の潤滑油供給機構を特に制限なく採用することができる。内燃機関のシリンダが本発明の潤滑油組成物で潤滑されることにより、該内燃機関におけるLSPIが効果的に抑制される。
以下に示す基油および添加剤を用いて、本発明の潤滑油組成物(参考例1〜2、7〜8、実施例3〜6)及び比較用の潤滑油組成物(比較例1〜5)をそれぞれ調製した。表中、「inmass%」は基油全量を基準とする質量%を表し、「mass%」は組成物全量を基準とする質量%を表し、「mass ppm」は組成物全量を基準とする質量ppmを表す。
O−1:Group III 基油、動粘度(100℃)4.15mm2/s、芳香族含有量0.2質量%
B1−1:CaCO3過塩基化Caサリシレート、Ca含有量8.0質量%、金属比3.0、塩基価(過塩素酸法)225mgKOH/g、硫黄含有量0.0質量%
B1−2:CaCO3過塩基化Caスルホネート、Ca含有量12.75質量%、塩基価(過塩素酸法)325mgKOH/g、硫黄含有量2.0質量%
B2−1:MgCO3過塩基化Mgスルホネート、Mg含有量9.3質量%、塩基価(過塩素酸法)400mgKOH/g、硫黄含有量2.0質量%
C−1:硫化(オキシ)モリブデンジチオカーバメート、アルキル基:炭素数8と13の組み合わせ、Mo含有量10.0質量%、硫黄含有量10.8質量%
D−1:アミン系酸化防止剤、窒素含有量3.6質量%
D−2:フェノール系酸化防止剤
E−1:ジアルキルジチオリン酸亜鉛(アルキル基:第2級C6、Zn含有量9.25質量%、リン含有量8.5質量%、硫黄含有量17.6質量%)
G−1:ポリブテニルコハク酸イミド、ビスタイプ、ポリブテニル基の数平均分子量:1300、窒素含有量1.75質量%
G−2:ホウ酸変性ポリブテニルコハク酸イミド、ビスタイプ、ポリブテニル基の数平均分子量:1300、窒素含有量1.5質量%、ホウ素含有量0.78質量%
H−1:ポリメタクリレート系粘度指数向上剤、重量平均分子量500,000、PSSI:5
I−1:アルキルジチオチアジアゾール、硫黄含有量36.0質量%
I−2:硫化オレフィン、硫黄含有量46.0質量%
参考例1〜2、実施例3〜6および比較例1〜4の各潤滑油組成物について、ホットチューブ試験におけるデポジット量(HTT290デポジット)の測定、及びSRV摩擦試験機を用いた摩擦係数(SRV摩擦係数)の測定を行った。実施例3〜6の潤滑油組成物についてはさらに、100℃及び150℃におけるHTHS粘度、100℃及び40℃における動粘度、および粘度指数の測定を行った。結果を表1〜2に示している。また参考例1、7〜8、及び比較例4〜5の潤滑油組成物については、DSC(10atm酸素雰囲気)自己着火点の測定を行った。結果を表3に示している。測定方法は次の通りである。
(1)HTT290デポジット:JPI−5S−55−99に準拠して290℃においてホットチューブ試験を行い、所定の内径および長さを有するチューブ内壁面に付着した堆積物の重量(単位:mg)を測定した。堆積物が少ないほど、エンジン清浄性が高いことを意味する。
(2)SRV摩擦係数:SRV往復動摩擦摩耗試験機(Optimol Instruments社製)を用いて、温度100℃、荷重400N、振幅1.5mm、振動数50Hzでシリンダーオンディスク試験を行い、摩擦係数を測定した。
(3)HTHS粘度:ASTM D−4683に準拠して測定した。
(4)動粘度:ASTM D−445に準拠して測定した。
(5)粘度指数:JIS K 2283−1993に準拠して測定した。
(6)DSC自己着火点:圧力示差走査熱量計(TA Instruments社製)を用いて、圧力10atm、酸素雰囲気下、昇温速度10℃/分にて示差走査熱量測定を行い、ピーク立ち上がり温度を自己着火点とした。自己着火点が高いほど、LSPI発生頻度が低いことを意味する。
Claims (7)
- (A)100℃の動粘度が2〜8mm2/sであり、かつ芳香族含有量が10質量%以下である基油と、
(B)(B1)炭酸カルシウムで過塩基化された金属系清浄剤および(B2)炭酸マグネシウムで過塩基化された金属系清浄剤を含む、金属系清浄剤と、
(C)硫化モリブデンジチオカーバメート又は硫化オキシモリブデンジチオカーバメートと
を含有し、
潤滑油組成物全量基準で、
カルシウム含有量が1400〜1500質量ppmであり、
マグネシウム含有量が350〜600質量ppmであり、
モリブデン含有量が600質量ppm以上であり、
ホウ素含有量が0〜300質量ppmであり、
150℃におけるHTHS粘度が2.7mPa・s以下であり、
100℃におけるHTHS粘度(X100)の、150℃におけるHTHS粘度(X150)に対する比(X100/X150)が1.8〜2.0であり、
前記(A)基油は、
(A1)原油を常圧蒸留および/もしくは減圧蒸留して得られた潤滑油留分を、溶剤脱れき、溶剤抽出、水素化分解、溶剤脱ろう、接触脱ろう、水素化精製、硫酸洗浄、及び白土処理から選ばれる1種以上の精製処理を含むプロセスにより精製することにより得られる、パラフィン系鉱油系基油、ノルマルパラフィン系鉱油系基油、及びイソパラフィン系鉱油系基油、並びにそれらの混合物、から選ばれる1種以上の鉱油系基油、若しくは、
(A2)(i)下記原料油(1)〜(8):
(1)パラフィン基系原油および/もしくは混合基系原油の常圧蒸留による留出油、
(2)パラフィン基系原油および/もしくは混合基系原油の常圧蒸留残渣油の減圧蒸留による留出油、
(3)潤滑油脱ろう工程から得られるワックス、フィッシャートロプシュワックス、及び/若しくはガストゥリキッドワックス、
(4)前記(1)〜(3)から選ばれる2種以上の混合油および/もしくは該混合油のマイルドハイドロクラッキング処理油、
(5)前記(1)〜(4)から選ばれる2種以上の混合油、
(6)前記(1)、(2)、(3)、(4)もしくは(5)の脱れき油、
(7)前記(6)のマイルドハイドロクラッキング処理油、及び
(8)前記(1)〜(7)から選ばれる2種以上の混合油、
から選ばれる1種以上の原料油および/もしくは該原料油から回収される潤滑油留分を精製することと、(ii)前記(i)の生成物から潤滑油留分を回収することと、を含むプロセスにより得られる鉱油系基油であって、前記(i)における精製は、溶剤精製、水素化分解、水素化異性化、水素化精製、水素化仕上げ処理、脱ろう、白土精製、及び薬品洗浄から選ばれる1種以上の精製処理を含む、1種以上の鉱油系基油、
又はそれらの組み合わせであり、
下記数式(2)で表されるパラメタrs’の値が、1.15〜1.50であることを特徴とする、内燃機関用潤滑油組成物:
rS’=([S]’+[Mo]+[Zn])/([Mg]+2×[Ca]) …(2)
(数式(2)中、[S]’はスルホネート系清浄剤以外の添加剤に由来する硫黄分(単位:質量ppm)を表し、[Mo]は潤滑油組成物中のモリブデン含有量(単位:質量ppm)を表し、[Zn]は潤滑油組成物中の亜鉛含有量(単位:質量ppm)を表し、[Mg]は潤滑油組成物中のマグネシウム含有量(単位:質量ppm)を表し、[Ca]は潤滑油組成物中のカルシウム含有量(単位:質量ppm)を表す。)。 - 前記(A)基油の100℃における動粘度が2〜5mm 2 /sである、請求項1に記載の内燃機関用潤滑油組成物。
- (D)アミン系酸化防止剤および/またはフェノール系酸化防止剤を含有する、
請求項1又は2に記載の内燃機関用潤滑油組成物。 - (D)アミン系酸化防止剤を含有する、
請求項1〜3のいずれかに記載の内燃機関用潤滑油組成物。 - 潤滑油組成物全量基準で、
モリブデン含有量が700〜800質量ppmである、
請求項4に記載の内燃機関用潤滑油組成物。 - (E)ジアルキルジチオリン酸亜鉛を含有し、
硫黄含有量が、潤滑油組成物全量基準で0.20〜0.30質量%である、
請求項4又は5に記載の内燃機関用潤滑油組成物。 - 請求項1〜6のいずれかに記載の潤滑油組成物を用いて内燃機関のシリンダを潤滑しながら該内燃機関を運転する工程
を有することを特徴とする、内燃機関のLSPI抑制方法。
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JP6913704B2 (ja) | 2019-03-29 | 2021-08-04 | 出光興産株式会社 | 潤滑油組成物 |
WO2021132518A1 (ja) * | 2019-12-27 | 2021-07-01 | 出光興産株式会社 | 潤滑油組成物 |
US11987766B2 (en) * | 2020-08-31 | 2024-05-21 | Eneos Corporation | Lubricating oil composition for internal combustion engine |
JP2023539763A (ja) | 2020-09-01 | 2023-09-19 | シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ | エンジン油組成物 |
US11680223B2 (en) * | 2020-12-07 | 2023-06-20 | Eneos Corporation | Lubricating oil composition |
JP2022180774A (ja) * | 2021-05-25 | 2022-12-07 | Eneos株式会社 | 内燃機関用潤滑油組成物 |
JP2023004315A (ja) * | 2021-06-25 | 2023-01-17 | Eneos株式会社 | 内燃機関用潤滑油組成物 |
CN113583740A (zh) * | 2021-07-13 | 2021-11-02 | 赵艳闯 | 一种润滑油、润滑油制备方法及其润滑油混合装置 |
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CA1337294C (en) * | 1987-11-20 | 1995-10-10 | Dale Robert Carroll | Lubricant compositions for enhanced fuel economy |
JPH07316577A (ja) | 1994-05-20 | 1995-12-05 | Tonen Corp | 潤滑油組成物 |
GB2423524A (en) * | 2005-02-28 | 2006-08-30 | Infineum Int Ltd | Crankcase lubricating oil |
US7981846B2 (en) * | 2005-11-30 | 2011-07-19 | Chevron Oronite Company Llc | Lubricating oil composition with improved emission compatibility |
CN101821368A (zh) * | 2007-10-16 | 2010-09-01 | 出光兴产株式会社 | 润滑油组合物 |
US8703677B2 (en) * | 2007-12-21 | 2014-04-22 | Chevron Japan Ltd | Lubricating oil compositions for internal combustion engines |
US9321981B2 (en) * | 2008-02-20 | 2016-04-26 | Idemitsu Kosan Co., Ltd. | Lubricating oil composition for internal combustion engine |
EP2457984B1 (en) * | 2010-11-30 | 2017-03-08 | Infineum International Limited | A lubricating oil composition |
CN102690711B (zh) * | 2011-03-24 | 2013-12-25 | 中国石油化工股份有限公司 | 一种汽油发动机润滑油组合物 |
JP5744771B2 (ja) * | 2012-02-21 | 2015-07-08 | Jx日鉱日石エネルギー株式会社 | 潤滑油組成物 |
CN104471041A (zh) * | 2012-06-06 | 2015-03-25 | 范德比尔特化学品有限责任公司 | 节油润滑油 |
JP2014152301A (ja) | 2013-02-13 | 2014-08-25 | Idemitsu Kosan Co Ltd | 直噴ターボ機構搭載エンジン用潤滑油組成物 |
JP6375117B2 (ja) | 2014-01-27 | 2018-08-15 | 出光興産株式会社 | 内燃機関用潤滑油組成物 |
JP6300686B2 (ja) * | 2014-01-31 | 2018-03-28 | Emgルブリカンツ合同会社 | 潤滑油組成物 |
JP5952846B2 (ja) | 2014-01-31 | 2016-07-13 | 出光興産株式会社 | 潤滑油組成物 |
JP6572581B2 (ja) | 2015-03-24 | 2019-09-11 | 出光興産株式会社 | 火花点火式内燃機関用潤滑油組成物、該潤滑油組成物の製造方法、該潤滑油組成物を用いた火花点火式内燃機関、及び該内燃機関の潤滑方法 |
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- 2016-12-06 JP JP2017555065A patent/JP6895387B2/ja active Active
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- 2016-12-06 US US15/777,033 patent/US20180334636A1/en not_active Abandoned
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DE112016005592B4 (de) | 2022-07-21 |
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DE112016005592T5 (de) | 2018-09-13 |
US20180334636A1 (en) | 2018-11-22 |
CN108473905B (zh) | 2021-03-09 |
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CN108473905A (zh) | 2018-08-31 |
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