JP4871504B2 - 潤滑油組成物 - Google Patents
潤滑油組成物 Download PDFInfo
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- JP4871504B2 JP4871504B2 JP2004351596A JP2004351596A JP4871504B2 JP 4871504 B2 JP4871504 B2 JP 4871504B2 JP 2004351596 A JP2004351596 A JP 2004351596A JP 2004351596 A JP2004351596 A JP 2004351596A JP 4871504 B2 JP4871504 B2 JP 4871504B2
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- Prior art keywords
- lubricating oil
- oil composition
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- molecular weight
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- Prior art date
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- 239000000203 mixture Substances 0.000 title claims description 130
- 239000010687 lubricating oil Substances 0.000 title claims description 85
- 239000002270 dispersing agent Substances 0.000 claims description 76
- -1 alkylamides Chemical class 0.000 claims description 44
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 39
- 229920001577 copolymer Polymers 0.000 claims description 32
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 24
- 150000002148 esters Chemical class 0.000 claims description 23
- 229910052757 nitrogen Inorganic materials 0.000 claims description 20
- 229910052717 sulfur Inorganic materials 0.000 claims description 20
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 19
- 239000011593 sulfur Substances 0.000 claims description 19
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 18
- 229920000768 polyamine Polymers 0.000 claims description 18
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 14
- 150000008064 anhydrides Chemical class 0.000 claims description 13
- 150000004982 aromatic amines Chemical class 0.000 claims description 13
- 239000007789 gas Substances 0.000 claims description 12
- 230000001050 lubricating effect Effects 0.000 claims description 11
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical class OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 10
- 239000000460 chlorine Substances 0.000 claims description 10
- 229920000098 polyolefin Polymers 0.000 claims description 10
- 229910052801 chlorine Inorganic materials 0.000 claims description 9
- 125000005266 diarylamine group Chemical group 0.000 claims description 9
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 8
- 238000009826 distribution Methods 0.000 claims description 8
- 229910052796 boron Inorganic materials 0.000 claims description 7
- 239000007795 chemical reaction product Substances 0.000 claims description 7
- 239000002480 mineral oil Substances 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- 235000010446 mineral oil Nutrition 0.000 claims description 6
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 claims description 6
- 229920006158 high molecular weight polymer Polymers 0.000 claims description 5
- 150000001336 alkenes Chemical class 0.000 claims description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 4
- 125000000623 heterocyclic group Chemical group 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 3
- 150000003973 alkyl amines Chemical class 0.000 claims 2
- 229920000642 polymer Polymers 0.000 description 58
- 239000003599 detergent Substances 0.000 description 32
- 125000004432 carbon atom Chemical group C* 0.000 description 31
- 239000003921 oil Substances 0.000 description 31
- 235000019198 oils Nutrition 0.000 description 31
- 125000000217 alkyl group Chemical group 0.000 description 28
- 239000000654 additive Substances 0.000 description 27
- 239000002585 base Substances 0.000 description 27
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 25
- 239000005977 Ethylene Substances 0.000 description 25
- 150000001875 compounds Chemical class 0.000 description 25
- 239000003446 ligand Substances 0.000 description 24
- 125000003118 aryl group Chemical group 0.000 description 22
- 150000001412 amines Chemical class 0.000 description 21
- 125000001183 hydrocarbyl group Chemical group 0.000 description 19
- 229930195733 hydrocarbon Natural products 0.000 description 18
- 150000002430 hydrocarbons Chemical class 0.000 description 18
- 239000000376 reactant Substances 0.000 description 17
- 239000005078 molybdenum compound Substances 0.000 description 15
- 150000002752 molybdenum compounds Chemical class 0.000 description 15
- 239000004034 viscosity adjusting agent Substances 0.000 description 15
- 229920002367 Polyisobutene Polymers 0.000 description 14
- 229910052799 carbon Inorganic materials 0.000 description 14
- 239000000314 lubricant Substances 0.000 description 14
- 239000000463 material Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 13
- 239000002253 acid Substances 0.000 description 13
- 239000003963 antioxidant agent Substances 0.000 description 13
- 230000007935 neutral effect Effects 0.000 description 13
- 238000012360 testing method Methods 0.000 description 13
- 239000004711 α-olefin Substances 0.000 description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 12
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 12
- 230000000996 additive effect Effects 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000004215 Carbon black (E152) Substances 0.000 description 9
- 239000004480 active ingredient Substances 0.000 description 9
- 150000001993 dienes Chemical class 0.000 description 9
- 239000000178 monomer Substances 0.000 description 9
- 125000000962 organic group Chemical group 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 150000003254 radicals Chemical class 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 150000001298 alcohols Chemical class 0.000 description 8
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 8
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- 125000001424 substituent group Chemical group 0.000 description 8
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 7
- 230000003078 antioxidant effect Effects 0.000 description 7
- 239000002199 base oil Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 7
- 125000000524 functional group Chemical group 0.000 description 7
- 229910052750 molybdenum Inorganic materials 0.000 description 7
- 239000011733 molybdenum Substances 0.000 description 7
- 150000002989 phenols Chemical class 0.000 description 7
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 7
- 239000004071 soot Substances 0.000 description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 6
- 150000001721 carbon Chemical group 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 6
- 239000000779 smoke Substances 0.000 description 6
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 6
- 239000011575 calcium Substances 0.000 description 5
- 229910052791 calcium Inorganic materials 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000003999 initiator Substances 0.000 description 5
- 150000002736 metal compounds Chemical class 0.000 description 5
- 239000003607 modifier Substances 0.000 description 5
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 5
- 229960001860 salicylate Drugs 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
- OJOWICOBYCXEKR-APPZFPTMSA-N (1S,4R)-5-ethylidenebicyclo[2.2.1]hept-2-ene Chemical compound CC=C1C[C@@H]2C[C@@H]1C=C2 OJOWICOBYCXEKR-APPZFPTMSA-N 0.000 description 4
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 4
- 125000003545 alkoxy group Chemical group 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 125000003368 amide group Chemical group 0.000 description 4
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 4
- 150000005690 diesters Chemical class 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 4
- 229920001519 homopolymer Polymers 0.000 description 4
- 150000004679 hydroxides Chemical class 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- KHYKFSXXGRUKRE-UHFFFAOYSA-J molybdenum(4+) tetracarbamodithioate Chemical compound C(N)([S-])=S.[Mo+4].C(N)([S-])=S.C(N)([S-])=S.C(N)([S-])=S KHYKFSXXGRUKRE-UHFFFAOYSA-J 0.000 description 4
- 230000000269 nucleophilic effect Effects 0.000 description 4
- 229910052760 oxygen Chemical group 0.000 description 4
- 239000001301 oxygen Chemical group 0.000 description 4
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 4
- 229960004889 salicylic acid Drugs 0.000 description 4
- 229940014800 succinic anhydride Drugs 0.000 description 4
- 150000005846 sugar alcohols Polymers 0.000 description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 4
- 125000001273 sulfonato group Chemical class [O-]S(*)(=O)=O 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 3
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 125000002723 alicyclic group Chemical group 0.000 description 3
- 230000029936 alkylation Effects 0.000 description 3
- 238000005804 alkylation reaction Methods 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 3
- 150000007942 carboxylates Chemical class 0.000 description 3
- 150000001735 carboxylic acids Chemical class 0.000 description 3
- 238000005660 chlorination reaction Methods 0.000 description 3
- 239000007859 condensation product Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 150000001991 dicarboxylic acids Chemical class 0.000 description 3
- 239000002283 diesel fuel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 3
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 3
- 229920001002 functional polymer Polymers 0.000 description 3
- 238000007306 functionalization reaction Methods 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- 239000011572 manganese Substances 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 150000003752 zinc compounds Chemical class 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical class COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Chemical class OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 125000003504 2-oxazolinyl group Chemical class O1C(=NCC1)* 0.000 description 2
- FUDNBFMOXDUIIE-UHFFFAOYSA-N 3,7-dimethylocta-1,6-diene Chemical compound C=CC(C)CCC=C(C)C FUDNBFMOXDUIIE-UHFFFAOYSA-N 0.000 description 2
- WTQBISBWKRKLIJ-UHFFFAOYSA-N 5-methylidenebicyclo[2.2.1]hept-2-ene Chemical compound C1C2C(=C)CC1C=C2 WTQBISBWKRKLIJ-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- OFHCOWSQAMBJIW-AVJTYSNKSA-N alfacalcidol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C OFHCOWSQAMBJIW-AVJTYSNKSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- XXROGKLTLUQVRX-UHFFFAOYSA-N allyl alcohol Chemical compound OCC=C XXROGKLTLUQVRX-UHFFFAOYSA-N 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 125000003710 aryl alkyl group Chemical group 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 238000010538 cationic polymerization reaction Methods 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 125000000392 cycloalkenyl group Chemical group 0.000 description 2
- 125000000753 cycloalkyl group Chemical group 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- NAGJZTKCGNOGPW-UHFFFAOYSA-N dithiophosphoric acid Chemical compound OP(O)(S)=S NAGJZTKCGNOGPW-UHFFFAOYSA-N 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000010688 mineral lubricating oil Substances 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 150000002763 monocarboxylic acids Chemical class 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 125000005702 oxyalkylene group Chemical group 0.000 description 2
- 150000002978 peroxides Chemical class 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 150000003003 phosphines Chemical class 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920001281 polyalkylene Polymers 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 description 2
- 229920000193 polymethacrylate Polymers 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- PDEDQSAFHNADLV-UHFFFAOYSA-M potassium;disodium;dinitrate;nitrite Chemical compound [Na+].[Na+].[K+].[O-]N=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PDEDQSAFHNADLV-UHFFFAOYSA-M 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical compound NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 150000003902 salicylic acid esters Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 239000003760 tallow Substances 0.000 description 2
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Classifications
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- C10M169/04—Mixtures of base-materials and additives
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
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- 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
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- C10M2203/1025—Aliphatic fractions used as base material
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- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
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- C10M2207/028—Overbased salts thereof
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- C10M2207/289—Partial esters containing free hydroxy groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
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- 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
- C10M2223/045—Metal containing thio derivatives
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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
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- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
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- C10N2030/44—Boron free or low content boron compositions
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Description
本発明の第一の態様により、潤滑油組成物であって、多量の(major amount)、少なくとも一つの群I、群II及び/又は群IIIの潤滑粘性鉱油;アルキル又はアリールアミン又はアミド基、窒素含有複素環基又はエステル結合を含むオレフィンコポリマーを含む、一つ以上の、少量の(minor amount)高分子量ポリマー;少量の(minor amount)以下の分散剤であって、ポリアルケニル-置換モノ‐又はジカルボン酸、無水物又はエステルとポリアミンの反応生成物であり、数平均分子量が少なくとも約1800のポリアルケニル基及び、ポリアルケニル基当たり1.3〜1.7のモノ-又はジカルボン酸生成基を有する、少なくとも一つの窒素含有分散剤を、潤滑油組成物に少なくとも0.08質量%の窒素を与える量で含む上記潤滑油組成物を提供する。
本発明の第三の態様により、潤滑油組成物中のジアリールアミン成分の全量が約0.5〜5 mmol/kgであり、上記ジアリールアミン成分の50%より多くが、5000より高い分子量の分子により導入される、第一又は第二の態様に記載の潤滑油組成物を提供する。
本発明の第四の態様により、潤滑油組成物が、最終潤滑油のキログラム当たり、約6〜約50mmolのフェナート界面活性剤をさらに含む、第一、第二又は第三の態様に記載の潤滑油組成物を提供する。
本発明の第五の態様により、分散剤が、ポリアルケニル基当たり約1.3〜約1.6のモノ-又はジ-カルボン酸生成基を含み、そのホウ素含量が約20ppm未満である、第一、第二、第三又は第四の態様に記載の潤滑油組成物を提供する。
本発明の第六の態様により、サルフェート灰分が約0.5質量%未満である、第一から第五の態様のいずれかに記載の潤滑油組成物を提供する。
本発明の第九の態様により、硫黄含量が約0.3質量%未満であり、サルフェート灰分が約0.5質量%未満であり、塩素含量が約50ppm未満である、第七又は第八の態様に記載の潤滑油組成物を提供する。
本発明の第十一の態様により、排出ガス再循環系を装備するディーゼルエンジンの作動方法であって、第一から第十の態様のいずれかに記載の潤滑油組成物で上記エンジンを潤滑にすること含む、上記方法を提供する。
発明の詳細な説明
本発明の実施に有用な潤滑粘性油は、軽質蒸留鉱油から重質潤滑油、例えばガソリンエンジンオイル、鉱物潤滑油及びヘビーデューティーディーゼルオイルの粘度範囲であってもよい。一般的に、油の粘度は、100℃で測定した場合、約2mm2/sec(センチストークス)〜約40mm2/sec、具体的には、約3mm2/sec〜約20mm2/sec、最も好ましくは約4mm2/sec〜約10mm2/secの範囲である。
天然油としては、動物油及び植物油(例えばヒマシ油、ラード油);液体石油及びパラフィン、ナフテン及びパラフィン-ナフテン混合型の水素化精製された(hydrorefined)、溶媒処理又は酸処理された鉱油が挙げられる。石炭又は頁岩から誘導された潤滑粘性油は、有用なベース油としても使用される。
好ましくは、NOACK試験(ASTM D5880)により測定した場合、油又は油混合物の揮発度は、30%以下、好ましくは25%以下、より好ましくは20%以下、最も好ましくは16%以下である。好ましくは、油又は油混合物の粘度指数(VI)は、少なくとも85、好ましくは少なくとも100、最も好ましくは約105〜140である。
a)群Iのベースストックは、表1に明記した試験方法を使用した場合、飽和物含量が90%未満であり、及び/又は硫黄含量が0.03%より高く、粘度指数が80以上120未満である。
b)群IIのベースストックは、表1に明記した試験方法を使用した場合、飽和物含量が90%以上であり、硫黄含量が0.03%以下であり、粘度指数が80以上120未満である。
c)群IIIのベースストックは、表1に明記した試験方法を使用した場合、飽和物含量が90%以上であり、硫黄含量が0.03%以下であり、粘度指数が120以上である。
d)群IVのベースストックは、ポリアルファオレフィン(PAO)である。
e)群Vのベースストックは、群I、II、III又はIVに含まれない他のすべてのベースストックを包含する。
b.分岐鎖脂環式ジエン、例えば、5-メチル-1,4-ヘキサジエン;3,7-ジメチル-1,6-オクタジエン;3,7-ジメチル-1,7-オクタジエン及びジヒドロ-マイセン(dihydro-mycene)及びジヒドロオシネン(dihydroocinene)の混合異性体;
c.単環式脂環式ジエン、例えば、1,4-シクロヘキサジエン;1,5-シクロオクタジエン;及び1,5-シクロドデカジエン;及び
d.多環式脂環式縮合及び架橋環(bridged ring)ジエン、例えば:テトラヒドロインデン;メチルテトラヒドロインデン;ジシクロペンタジエン;ビシクロ-(2,2,1)-ヘプタ-2,5-ジエン;アルケニル、アルキリデン(alkylidene)、シクロアルケニル及びシクロアルキリデンノルボルネン、例えば5-メチレン-2-ノルボルネン(MNB)、5-エチリデン(ethylidene)-2-ノルボルネン(ENB)、5-プロピレン-2-ノルボルネン、5-イソプロピリデン-2-ノルボルネン、5-(4-シクロペンチエニル(cyclopentyenyl))-2-ノルボルネン;5-シクロヘキシリデン-2-ノルボルネン。
F = (SAP x Mn)/((112,200 x A.I.) - (SAP x 98)) (1)
{式中、SAPはケン価(即ち、ASTM D94により測定した場合、コハク酸含有反応生成物1グラム中の酸基の完全な中和において消費されるKOHのミリグラム数)であり; Mn は、出発オレフィンポリマーの数平均分子量であり; A.I.は、コハク酸含有反応生成物の活性成分の百分率である(残部は、未反応オレフィンポリマー、無水コハク酸及び希釈剤である)}。
本発明の分散剤のポリアルケニル基の数平均分子量は、少なくとも1800、好ましくは1800〜3000、例えば2000〜2800、より好ましくは約2100〜2500、最も好ましくは約2200〜約2400である。分散剤の分子量は、一般的に、多くのパラメータ、例えば、分散剤を誘導するために使用されるポリマーのタイプ、官能基の数及び使用される求核基のタイプにより、分散剤の正確な分子量範囲として、ポリアルケニル基の分子量により表される。
本発明の分散剤組成物に使用される分散剤を形成するのに好適なポリアルケニル基は、分子量分布 (MWD)が狭いのが好ましく、それは多分散性とも呼ばれ、量平均分子量(Mw)の数平均分子量(Mn)に対する比により決定される。Mw/Mn が2.2未満、好ましくは2.0未満のポリマーが最も好ましい。好適なポリマーの多分散性は、約1.5〜2.0、好ましくは約1.6〜約1.8である。
炭化水素又はポリマー主鎖は、いずれの配列においても、例えば、ポリマー又は炭化水素鎖上の炭素-炭素不飽和部位で選択的に、又は上記3つの工程のいずれか又はそれらの組み合わせを使用して無作為に鎖に沿って、カルボン酸生成基(好ましくは酸又は無水物基)で官能化できる。
塩素化は通常、出発オレフィンポリマーのモノ不飽和官能性反応体との反応性の増加を助けるが、本発明に使用しようとする幾つかのポリマー又は炭化水素、特に末端結合の含量及び反応性が高い好ましいポリマー又は炭化水素には必要ない。潤滑油組成物の塩素含量を可能な限り低い量に低減することが好都合である。好ましくは、本発明の潤滑油組成物の塩素含量は50ppm未満である。従って、好ましくは、分散剤を形成するために使用される主鎖及びモノ不飽和官能性反応体、例えばカルボキシル反応体を、初期の熱「エン」反応を生じる高温で接触させる。エン反応は公知である。
分散剤は、潤滑油組成物に、窒素を少なくとも0.08質量%、好ましくは約0.10〜約0.18質量%、より好ましくは約0.115〜約0.16質量%、最も好ましくは約0.12〜約0.14質量% 与えるのに十分な量において存在してもよい。
フェノール及び硫化フェノールの金属塩を、好適な金属化合物、例えば酸化物又は水酸化物の反応により製造してもよく、中性又は過塩基性生成物は当技術分野に公知の方法により得てもよい。硫化フェノールは、フェノールと硫黄又は硫黄含有化合物、例えば硫化水素、一ハロゲン化硫黄(sulphur monohalide)又はニハロゲン化硫黄(sulphur dihalide)を反応させて製造してもよく、一般的に二つ以上のフェノールが硫黄含有ブリッジにより架橋された化合物の混合物である生成物を形成する。
油溶性サリチル酸における好ましい置換基は、アルキル基である。アルキル置換サリチル酸において、アルキル基の炭素数は、5〜100、好ましくは9〜30、特に14〜20であることが好都合である。一つより多いアルキル基がある場合、好適な油溶性を確保するため、すべてのアルキル基中の平均炭素数は少なくとも9であるのが好ましい。
好ましいジヒドロカルビルジチオリン酸亜鉛は、ジヒドロカルビルジチオリン酸の油溶性塩であり、以下の一般式により表すことができる:
最終的な油の他の成分と相性のよい摩擦改質剤及び燃料経済性薬剤を含んでいてもよい。そのような材料の例としては、高級脂肪酸のグリセリルモノエステル、例えば、グリセリルモノオレエート;長鎖ポリカルボン酸とジオールのエステル、例えば、二量化不飽和脂肪酸のブタンジオールエステル;オキサゾリン化合物;及びアルコキシル化アルキル置換モノアミン、ジアミン及びアルキルエーテルアミン、例えばエトキシル化獣脂アミン及びエトキシル化獣脂エーテルアミンが挙げられる。好ましい潤滑油組成物は、本発明の分散剤組成物、ベース油及び窒素含有摩擦改質剤を含む。
Mo(ROCS2)4 及び
Mo(RSCS2)4
(式中、Rは、アルキル、アリール、アラルキル及びアルコキシアルキルからなる群より選ばれる有機基であり、一般的に炭素数1〜30、好ましくは炭素数2〜12であり、最も好ましくは炭素数2〜12のアルキルである。特に好ましくはモリブデンのジアルキルジチオカルバメートである。
リガンドは、以下の群より独立して選ばれるもの及びそれらの混合物である;
1.炭化水素置換基、即ち脂肪族(例えばアルキル又はアルケニル)、脂環式(例えばシク
ロアルキル又はシクロアルケニル)置換基、芳香族-、脂肪族-及び脂環式-置換芳香族核等、並びに環式置換基であって、環がリガンドの他の部分を通して完全なものとなるもの(即ち、示される二つのいずれかの置換基が一緒になって脂環式基を形成してもよい)。
性を変えない、非炭化水素基を含有するもの。当業者は、好適な基を認識していると思われる(例えば、ハロ、具体的にはクロロ及びフルオロ、アミノ、アルコキシル、メルカプト、アルキルメルカプト、ニトロ、ニトロソ、スルホキシ等)。
3.ヘテロ置換基、即ち、主に、本発明の内容に合う性質の炭化水素であるが、炭素原子から構成される以外に、鎖又は環に存在する炭素以外の原子を含む。
ここに使用される用語「油溶性」又は「分散性」は、化合物又は添加剤が、全ての比率において油に可溶性、溶解性、混和性又は懸濁可能性を示す必要はない。しかし、これらは、例えば、油が使用される環境において、それらが目的とする効果を発揮するのに十分な範囲まで、油に可溶性又は安定して分散性であることを意味する。さらに、他の添加剤のさらなる導入は、所望により、より多い量の特定の添加剤の導入を可能にするかも知れない。
流動点降下剤(PPD)、又は潤滑油流動性向上剤(LOFI)として公知のものは、その温度を低下させる。VMと比較して、LOFIは、一般的に数平均分子量が低い。そのような添加剤は公知である。液体の低温流動性を向上させる一般的な添加剤は、炭素数8〜18のジアルキルフマレート/ビニルアセテートコポリマー、及びポリメタクリレートである。VM、LOFIは、グラフト化材料、例えば無水マレイン酸とグラフト化することができ、グラフト化した材料は、例えばアミン、アミド、窒素含有複素環化合物又はアルコールと反応し、多機能性添加剤を形成することができる。
上記添加剤の幾つかは、多様な効果を提供することが可能であり;従って、例えば単一の添加剤を分散剤-酸化防止剤として作用させてもよい。このアプローチはよく知られており、ここでさらに詳述する必要はない。
潤滑剤組成物が一つ以上の上記添加剤を含む場合、各添加剤は、一般的に、その所望の機能をその添加剤に提供できる量においてベースオイルに混合される。クランク質潤滑剤に使用される場合のそのような添加剤の代表的な有効量を以下の表に示した。表の全ての値は、有効成分の質量パーセントとして示した。
添加剤を含有する一つ以上の添加剤濃縮物(添加剤パッケージと時に呼ばれる濃縮物)であって、それにより、潤滑油組成物を形成するために油に同時に幾つかの添加剤を添加できるものを製造することは必須ではないが、望ましいかも知れない。
最終的な組成物は、濃縮物5〜25質量%、好ましくは5〜18質量%、一般的に10〜15質量%を使用してもよく、残部は潤滑粘性油である。
以下の実施例では、特に規定しない限り、すべての部が質量部で表され、本発明の好ましい態様を含んでおり、本発明は、以下の実施例により、より理解されるであろう。
本発明の利点を示すため、群IIベース油、ベースDI(清浄剤-阻害剤)パッケージ及びそれらの変更バージョンで配合された潤滑油組成物のT-11性能間で比較を行った。
上記方法を使用して、ボレート分散剤を含有するサンプルを、その後、非ボレート分散剤を含有する他の同様のサンプルと比較した。全ての分散剤は、ポリマーの数平均分子量が約2200であり官能性が1.4のPIBSA-PAM-型分散剤であった。HR-PIB (MWD 1.8)と従来のPIB (MWD 2.1)の両方をベースとした分散剤を試験した。結果を表3に示した。
Claims (21)
- 多量の、少なくとも一つの群I、群II及び/又は群IIIの潤滑粘性鉱油又はそれらの混合物;アルキルアミン、アルキルアミド、アリールアミン又はアリールアミド基、窒素含有複素環基又はエステル結合から選ばれる少なくとも一つの基を含有するオレフィンコポリマーを含み、数平均分子量が2,000以上12,000,000以下の、一つ以上の0.10質量%以上2質量%以下の、高分子量ポリマー;及びポリアルケニル-置換モノ‐又はジカルボン酸、無水物又はエステルとポリアミンの反応生成物である一つ以上の窒素含有分散剤であって、数平均分子量が少なくとも1800のポリアルケニル基及びポリアルケニル基当たり1.3〜1.7のモノ-又はジカルボン酸生成基を有する少なくとも一つの窒素含有分散剤を含有し、且つ、潤滑油組成物に少なくとも0.08質量%の窒素を与える分散剤、を含む潤滑油組成物。
- 上記ポリアルケニル基の数平均分子量が、1800〜3000である、請求項1に記載の潤滑油組成物。
- 高分子量オレフィンコポリマーが、無水マレイン酸でグラフト化され、アリールアミンで誘導体化されたエチレン-プロピレンコポリマーを含む、請求項1に記載の潤滑油組成物。
- 潤滑油組成物中のジアリールアミン成分の全量が0.5〜5 mmol/kgであり、上記ジアリールアミン成分の50%より多くが、5000より高い数平均分子量の分子から誘導される、請求項2に記載の潤滑油組成物。
- 最終潤滑油のキログラム当たり、6〜50mmolのフェナート界面活性剤をさらに含む、請求項1に記載の潤滑油組成物。
- 分散剤が、ポリアルケニル基当たり1.3〜1.6のモノ-又はジ-カルボン酸生成基を含み、そのホウ素含量が20ppm未満である、請求項5に記載の潤滑油組成物。
- サルフェート灰分が0.5質量%未満である、請求項1に記載の潤滑油組成物。
- 潤滑油組成物であって、多量の、少なくとも一つの群I、群II及び/又は群IIIの潤滑粘性鉱油又はそれらの混合物;アルキルアミン、アルキルアミド、アリールアミン又はアリールアミド基、窒素含有複素環基又はエステル結合から選ばれる少なくとも一つの基を含有するオレフィンコポリマーを含み、数平均分子量が2,000以上12,000,000以下の、一つ以上の、0.10質量%以上2質量%以下の、高分子量ポリマー;ポリアルケニル置換-モノ又はジカルボン酸、無水物又はエステルとポリアミンの反応生成物である一つ以上の窒素含有分散剤であって、数平均分子量が少なくとも1800のポリアルケニル基を有し、分子量分布(Mw/Mn)が1.5〜2であるポリアルケン基から誘導された少なくとも一つの窒素含有分散剤を含む分散剤を、潤滑油組成物に、少なくとも0.08質量%の窒素を与える量で含み、該分散剤が塩素非含有である、潤滑油組成物。
- 上記ポリアルケニル基の数平均分子量が、1800〜3000である、請求項8に記載の潤滑油組成物。
- 高分子量オレフィンコポリマーが、無水マレイン酸でグラフト化され、アリールアミンで誘導体化されたエチレン-プロピレンコポリマーを含む、請求項8に記載の潤滑油組成物。
- 潤滑油組成物中のジアリールアミン成分の全量が0.5〜5 mmol/kgであり、上記ジアリールアミン成分の50%より多くが、5000より高い数平均分子量の分子から誘導される、請求項10に記載の潤滑油組成物。
- 最終潤滑油のキログラム当たり、6〜50mmolのフェナート界面活性剤をさらに含む、請求項8に記載の潤滑油組成物。
- 分散剤が、ポリアルケニル基当たり1.3〜1.6のモノ-又はジ-カルボン酸生成基を含み、そのホウ素含量が20ppm未満である、請求項8に記載の潤滑油組成物。
- サルフェート灰分が0.5質量%未満である、請求項8に記載の潤滑油組成物。
- 硫黄含量が0.3質量%未満であり、サルフェート灰分が0.5質量%未満であり、塩素含量が50ppm未満である、請求項8に記載の潤滑油組成物。
- 官能化された高分子量オレフィン分子が、非晶質エチレン-プロピレンコポリマー、又はSSIが5〜30の非晶質と半結晶性エチレン-プロピレンコポリマーの混合物から誘導され、高分子量エチレン-プロピレンコポリマーを、押出し機中、無水マレイン酸と、同時に剪断し官能化することにより製造される、請求項8に記載の潤滑油組成物。
- 上記半結晶性エチレン-プロピレンコポリマーが、テーパード構造を有し、管型反応装置中で製造される、請求項16に記載の潤滑油組成物。
- ディーゼルエンジンを請求項1に記載の潤滑油組成物で潤滑にする工程を含む、上記エンジンの作動方法。
- 上記ディーゼルエンジンが、排出ガス再循環系を装備する、請求項18に記載の方法。
- ディーゼルエンジンを請求項8に記載の潤滑油組成物で潤滑にする工程を含む、上記エンジンの作動方法。
- 上記ディーゼルエンジンが、排出ガス再循環系を装備する、請求項20に記載の方法。
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US10/727,941 US20050124509A1 (en) | 2003-12-04 | 2003-12-04 | Lubricating oil compositions |
US10/727941 | 2003-12-04 |
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EP (1) | EP1538193B1 (ja) |
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US20070049504A1 (en) * | 2005-09-01 | 2007-03-01 | Culley Scott A | Fluid additive composition |
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WO2007145924A1 (en) * | 2006-06-06 | 2007-12-21 | Exxonmobil Research And Engineering Company | High viscosity metallocene catalyst pao novel base stock lubricant blends |
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US8535514B2 (en) * | 2006-06-06 | 2013-09-17 | Exxonmobil Research And Engineering Company | High viscosity metallocene catalyst PAO novel base stock lubricant blends |
US20070289897A1 (en) * | 2006-06-06 | 2007-12-20 | Carey James T | Novel base stock lubricant blends |
US20080015127A1 (en) * | 2006-07-14 | 2008-01-17 | Loper John T | Boundary friction reducing lubricating composition |
BRPI0622181A2 (pt) * | 2006-10-07 | 2011-12-27 | Gkn Driveline Int Gmbh | composiÇço de graxa para uso em juntas de velocidade constante |
WO2008040381A1 (en) * | 2006-10-07 | 2008-04-10 | Gkn Driveline International Gmbh | Grease composition for use in constant velocity joints comprising at least one tri-nuclear molybdenum compound |
US20080125337A1 (en) * | 2006-11-29 | 2008-05-29 | Guinther Gregory H | Lubricant formulations and methods |
CA2676290C (en) | 2007-01-30 | 2015-03-10 | The Lubrizol Corporation | Dispersant combination for improved transmission fluids |
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US8728999B2 (en) * | 2010-02-01 | 2014-05-20 | Exxonmobil Research And Engineering Company | Method for improving the fuel efficiency of engine oil compositions for large low and medium speed engines by reducing the traction coefficient |
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CN100532517C (zh) | 2009-08-26 |
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