JPWO2018212340A1 - 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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- JPWO2018212340A1 JPWO2018212340A1 JP2019518892A JP2019518892A JPWO2018212340A1 JP WO2018212340 A1 JPWO2018212340 A1 JP WO2018212340A1 JP 2019518892 A JP2019518892 A JP 2019518892A JP 2019518892 A JP2019518892 A JP 2019518892A JP WO2018212340 A1 JPWO2018212340 A1 JP WO2018212340A1
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- lubricating oil
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- 125000005493 quinolyl group Chemical group 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 230000001603 reducing effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
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- 229940014800 succinic anhydride Drugs 0.000 description 2
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- 238000010998 test method Methods 0.000 description 2
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 2
- ARCGXLSVLAOJQL-UHFFFAOYSA-N trimellitic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C(C(O)=O)=C1 ARCGXLSVLAOJQL-UHFFFAOYSA-N 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- UUGXDEDGRPYWHG-UHFFFAOYSA-N (dimethylamino)methyl 2-methylprop-2-enoate Chemical compound CN(C)COC(=O)C(C)=C UUGXDEDGRPYWHG-UHFFFAOYSA-N 0.000 description 1
- OBDUMNZXAIUUTH-HWKANZROSA-N (e)-tetradec-2-ene Chemical group CCCCCCCCCCC\C=C\C OBDUMNZXAIUUTH-HWKANZROSA-N 0.000 description 1
- RAADJDWNEAXLBL-UHFFFAOYSA-N 1,2-di(nonyl)naphthalene Chemical compound C1=CC=CC2=C(CCCCCCCCC)C(CCCCCCCCC)=CC=C21 RAADJDWNEAXLBL-UHFFFAOYSA-N 0.000 description 1
- MBIZXFATKUQOOA-UHFFFAOYSA-N 1,3,4-thiadiazole Chemical compound C1=NN=CS1 MBIZXFATKUQOOA-UHFFFAOYSA-N 0.000 description 1
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 1
- VRMHHVOBVLFRFB-UHFFFAOYSA-N 2-(2-cyanoethylsulfanylmethyl)benzoic acid Chemical compound OC(=O)C1=CC=CC=C1CSCCC#N VRMHHVOBVLFRFB-UHFFFAOYSA-N 0.000 description 1
- SJIXRGNQPBQWMK-UHFFFAOYSA-N 2-(diethylamino)ethyl 2-methylprop-2-enoate Chemical compound CCN(CC)CCOC(=O)C(C)=C SJIXRGNQPBQWMK-UHFFFAOYSA-N 0.000 description 1
- JKNCOURZONDCGV-UHFFFAOYSA-N 2-(dimethylamino)ethyl 2-methylprop-2-enoate Chemical compound CN(C)CCOC(=O)C(C)=C JKNCOURZONDCGV-UHFFFAOYSA-N 0.000 description 1
- CWTQBXKJKDAOSQ-UHFFFAOYSA-N 2-ethyl-2-(hydroxymethyl)propane-1,3-diol;octanoic acid Chemical compound CCC(CO)(CO)CO.CCCCCCCC(O)=O CWTQBXKJKDAOSQ-UHFFFAOYSA-N 0.000 description 1
- MNZNJOQNLFEAKG-UHFFFAOYSA-N 2-morpholin-4-ylethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCCN1CCOCC1 MNZNJOQNLFEAKG-UHFFFAOYSA-N 0.000 description 1
- XDVOLDOITVSJGL-UHFFFAOYSA-N 3,7-dihydroxy-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound O1B(O)OB2OB(O)OB1O2 XDVOLDOITVSJGL-UHFFFAOYSA-N 0.000 description 1
- ALKCLFLTXBBMMP-UHFFFAOYSA-N 3,7-dimethylocta-1,6-dien-3-yl hexanoate Chemical compound CCCCCC(=O)OC(C)(C=C)CCC=C(C)C ALKCLFLTXBBMMP-UHFFFAOYSA-N 0.000 description 1
- PYSRRFNXTXNWCD-UHFFFAOYSA-N 3-(2-phenylethenyl)furan-2,5-dione Chemical compound O=C1OC(=O)C(C=CC=2C=CC=CC=2)=C1 PYSRRFNXTXNWCD-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
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- 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 1
- DJBVDAUKGXUPLO-QEMDMZNVSA-N C(C)C(C(=O)O)CCCC.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O Chemical compound C(C)C(C(=O)O)CCCC.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O.C([C@H](O)[C@H](O)CO)O DJBVDAUKGXUPLO-QEMDMZNVSA-N 0.000 description 1
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
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- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 238000006683 Mannich reaction Methods 0.000 description 1
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- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 229920000147 Styrene maleic anhydride Polymers 0.000 description 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical class OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 description 1
- XYRMLECORMNZEY-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S Chemical compound [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S XYRMLECORMNZEY-UHFFFAOYSA-B 0.000 description 1
- QCJQWJKKTGJDCM-UHFFFAOYSA-N [P].[S] Chemical compound [P].[S] QCJQWJKKTGJDCM-UHFFFAOYSA-N 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
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- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000008052 alkyl sulfonates Chemical class 0.000 description 1
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- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 125000003785 benzimidazolyl group Chemical class N1=C(NC2=C1C=CC=C2)* 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- SAOKZLXYCUGLFA-UHFFFAOYSA-N bis(2-ethylhexyl) adipate Chemical compound CCCCC(CC)COC(=O)CCCCC(=O)OCC(CC)CCCC SAOKZLXYCUGLFA-UHFFFAOYSA-N 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- ZMRQTIAUOLVKOX-UHFFFAOYSA-L calcium;diphenoxide Chemical compound [Ca+2].[O-]C1=CC=CC=C1.[O-]C1=CC=CC=C1 ZMRQTIAUOLVKOX-UHFFFAOYSA-L 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
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- WDNQRCVBPNOTNV-UHFFFAOYSA-N dinonylnaphthylsulfonic acid Chemical compound C1=CC=C2C(S(O)(=O)=O)=C(CCCCCCCCC)C(CCCCCCCCC)=CC2=C1 WDNQRCVBPNOTNV-UHFFFAOYSA-N 0.000 description 1
- VJHINFRRDQUWOJ-UHFFFAOYSA-N dioctyl sebacate Chemical compound CCCCC(CC)COC(=O)CCCCCCCCC(=O)OCC(CC)CCCC VJHINFRRDQUWOJ-UHFFFAOYSA-N 0.000 description 1
- VFNGKCDDZUSWLR-UHFFFAOYSA-L disulfate(2-) Chemical compound [O-]S(=O)(=O)OS([O-])(=O)=O VFNGKCDDZUSWLR-UHFFFAOYSA-L 0.000 description 1
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- NAGJZTKCGNOGPW-UHFFFAOYSA-N dithiophosphoric acid Chemical compound OP(O)(S)=S NAGJZTKCGNOGPW-UHFFFAOYSA-N 0.000 description 1
- LZJUZSYHFSVIGJ-UHFFFAOYSA-N ditridecyl hexanedioate Chemical compound CCCCCCCCCCCCCOC(=O)CCCCC(=O)OCCCCCCCCCCCCC LZJUZSYHFSVIGJ-UHFFFAOYSA-N 0.000 description 1
- FVBSDVQDRFRKRF-UHFFFAOYSA-N ditridecyl pentanedioate Chemical compound CCCCCCCCCCCCCOC(=O)CCCC(=O)OCCCCCCCCCCCCC FVBSDVQDRFRKRF-UHFFFAOYSA-N 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- ZOOODBUHSVUZEM-UHFFFAOYSA-N ethoxymethanedithioic acid Chemical compound CCOC(S)=S ZOOODBUHSVUZEM-UHFFFAOYSA-N 0.000 description 1
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- MTNDZQHUAFNZQY-UHFFFAOYSA-N imidazoline Chemical compound C1CN=CN1 MTNDZQHUAFNZQY-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229940072082 magnesium salicylate Drugs 0.000 description 1
- 159000000003 magnesium salts Chemical class 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 1
- 239000004200 microcrystalline wax Substances 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 229910000476 molybdenum oxide Inorganic materials 0.000 description 1
- TVWWSIKTCILRBF-UHFFFAOYSA-N molybdenum trisulfide Chemical compound S=[Mo](=S)=S TVWWSIKTCILRBF-UHFFFAOYSA-N 0.000 description 1
- PDKHNCYLMVRIFV-UHFFFAOYSA-H molybdenum;hexachloride Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Mo] PDKHNCYLMVRIFV-UHFFFAOYSA-H 0.000 description 1
- BRESEFMHKFGSDY-UHFFFAOYSA-N molybdenum;pyrrolidine-2,5-dione Chemical class [Mo].O=C1CCC(=O)N1 BRESEFMHKFGSDY-UHFFFAOYSA-N 0.000 description 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 description 1
- RZRFZEDWURIJRY-UHFFFAOYSA-N morpholin-4-ylmethyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OCN1CCOCC1 RZRFZEDWURIJRY-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- VGTPKLINSHNZRD-UHFFFAOYSA-N oxoborinic acid Chemical compound OB=O VGTPKLINSHNZRD-UHFFFAOYSA-N 0.000 description 1
- PQQKPALAQIIWST-UHFFFAOYSA-N oxomolybdenum Chemical compound [Mo]=O PQQKPALAQIIWST-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- CYQAYERJWZKYML-UHFFFAOYSA-N phosphorus pentasulfide Chemical compound S1P(S2)(=S)SP3(=S)SP1(=S)SP2(=S)S3 CYQAYERJWZKYML-UHFFFAOYSA-N 0.000 description 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 150000003222 pyridines Chemical class 0.000 description 1
- 229940083082 pyrimidine derivative acting on arteriolar smooth muscle Drugs 0.000 description 1
- 150000003230 pyrimidines Chemical class 0.000 description 1
- 150000003248 quinolines Chemical class 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 150000003902 salicylic acid esters Chemical class 0.000 description 1
- 150000003870 salicylic acids Chemical class 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Inorganic materials O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 1
- HIFJUMGIHIZEPX-UHFFFAOYSA-N sulfuric acid;sulfur trioxide Chemical compound O=S(=O)=O.OS(O)(=O)=O HIFJUMGIHIZEPX-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- JJJPTTANZGDADF-UHFFFAOYSA-N thiadiazole-4-thiol Chemical compound SC1=CSN=N1 JJJPTTANZGDADF-UHFFFAOYSA-N 0.000 description 1
- NFMWFGXCDDYTEG-UHFFFAOYSA-N trimagnesium;diborate Chemical compound [Mg+2].[Mg+2].[Mg+2].[O-]B([O-])[O-].[O-]B([O-])[O-] NFMWFGXCDDYTEG-UHFFFAOYSA-N 0.000 description 1
- 125000004417 unsaturated alkyl group Chemical group 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000012991 xanthate Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- MBBWTVUFIXOUBE-UHFFFAOYSA-L zinc;dicarbamodithioate Chemical class [Zn+2].NC([S-])=S.NC([S-])=S MBBWTVUFIXOUBE-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
- C10M169/042—Mixtures of base-materials and additives the additives being compounds of unknown or incompletely defined constitution only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/12—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic compound containing atoms of elements not provided for in groups C10M141/02 - C10M141/10
-
- 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
- C10M101/02—Petroleum fractions
-
- 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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Abstract
Description
また省燃費性を高めるためには、上記したように基油の粘度を下げることが有効である。しかし低粘度の基油は蒸発しやすいため、低粘度の基油を用いた省燃費型の潤滑油組成物においては、オイルの消費量が増える傾向にある。
[1] 1種以上の鉱油系基油もしくは1種以上の合成系基油またはそれらの組み合わせからなり、100℃における動粘度が4.0〜4.5mm2/sであり、250℃におけるNOACK蒸発量が15質量%以下である潤滑油基油と、(A)ホウ酸カルシウムを含有する金属系清浄剤を、組成物全量基準でカルシウム量として1000質量ppm以上2000質量ppm未満とを含有し、(C)粘度指数向上剤を、組成物全量基準で1.0質量%未満含有するか、又は含有しないことを特徴とする、内燃機関用潤滑油組成物。
[2] (B)マグネシウムを含有する金属系清浄剤を更に含有する、[1]に記載の内燃機関用潤滑油組成物。
[3] 上記(C)成分として、(C1)重量平均分子量が100,000以上であるポリ(メタ)アクリレート系粘度指数向上剤を含有し、該(C1)成分の含有量が、上記(C)成分の全含有量の95質量%以上である、[1]又は[2]に記載の内燃機関用潤滑油組成物。
[4] 上記(C)成分を含有しない、[1]〜[3]のいずれかに記載の内燃機関用潤滑油組成物。
[5] (D)摩擦調整剤を更に含み、該(D)成分として、モリブデン系摩擦調整剤を含有する、[1]〜[4]のいずれかに記載の内燃機関用潤滑油組成物。
[6] 上記潤滑油基油は1種以上の合成系基油である、[1]〜[5]のいずれかに記載の内燃機関用潤滑油組成物。
[7] 150℃におけるHTHS粘度が1.7〜2.0mPa・sである、[1]〜[6]のいずれかに記載の内燃機関用潤滑油組成物。
[8] 100℃におけるHTHS粘度が3.5〜4.4mPa・sである、[1]〜[7]のいずれかに記載の内燃機関用潤滑油組成物。
[9] 250℃におけるNOACK蒸発量が15質量%以下である、[1]〜[8]のいずれかに記載の内燃機関用潤滑油組成物。
潤滑油基油としては、1種以上の鉱油系基油もしくは1種以上の合成系基油またはそれらの組み合わせからなり、100℃における動粘度が4.0〜4.5mm2/sであり、250℃におけるNOACK蒸発量が15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。鉱油系基油としては、1種以上のAPIグループII基油もしくは1種以上のAPIグループIII基油またはそれらの組み合わせを好ましく用いることができ、合成系基油としては、1種以上のAPIグループIV基油を好ましく用いることができる。
(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うこと、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うこと、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、金属系清浄剤として、(A)ホウ酸カルシウムを含有する金属系清浄剤(以下において「(A)成分」ということがある。)を含有する。一の好ましい実施形態において、潤滑油組成物は、金属系清浄剤として、(A)成分に加えて、(B)マグネシウムを含有する金属系清浄剤(以下において「(B)成分」ということがある。)を含有し得る。金属系清浄剤としては例えば、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、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。
アルカリ土類金属ホウ酸塩で過塩基化された金属系清浄剤を得る方法は特に限定されるものではないが、ホウ酸および任意的にホウ酸塩の存在下で、金属系清浄剤(例えばアルカリ土類金属フェネート、アルカリ土類金属スルホネート、アルカリ土類金属サリシレート等。)の中性塩をアルカリ土類金属の塩基(例えばアルカリ土類金属の水酸化物、酸化物等。)と反応させることにより得ることができる。ホウ酸はオルトホウ酸であってもよく、縮合ホウ酸(例えば二ホウ酸、三ホウ酸、四ホウ酸、メタホウ酸等。)であってもよい。ホウ酸塩としては、これらのホウ酸のカルシウム塩((A)成分を得る場合)またはマグネシウム塩((B)成分を得る場合)を好ましく用いることができる。ホウ酸塩は中性塩であってもよく、酸性塩であってもよい。ホウ酸および/またはホウ酸塩は1種を単独で用いてもよく、2種以上を組み合わせて用いてもよい。
本発明の潤滑油組成物は、(C)粘度指数向上剤(以下において「(C)成分」ということがある。)を、潤滑油組成物全量基準で1質量%未満含有するか、又は含有しないことが好ましい。すなわち、潤滑油組成物中の粘度指数向上剤の含有量は、組成物全量基準で0質量%以上1質量%未満であることが好ましい。(C)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。潤滑油組成物中の(C)成分の含有量が1質量%未満であることにより、潤滑油組成物の清浄化性能を高めることが可能になる。(C)成分の含有量はより好ましくは0.9質量%以下、特に好ましくは0.8質量%以下である。
一の実施形態において、R4は炭素数1〜5の炭化水素基、もしくは炭素数6〜18の炭化水素基、またはそれらの組み合わせである。
一の実施形態において、R6は炭素数1〜5の炭化水素基、もしくは炭素数6〜18の炭化水素基、又はそれらの組み合わせである。
本発明の潤滑油組成物は、(D)モリブデン系摩擦調整剤(油溶性有機モリブデン化合物;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。
本発明の潤滑油組成物は、(E)窒素含有無灰分散剤(以下において「(E)成分」ということがある。)を含有してもよい。
(E)成分としては、例えば、以下の(E−1)〜(E−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。
(E−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(E−1)」ということがある。)、
(E−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(E−2)」ということがある。)、
(E−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(E−3)」ということがある。)。
成分(E−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、下記一般式(9)または(10)で表される化合物を例示できる。
式(9)及び式(10)におけるアルキル基またはアルケニル基(R16〜R18)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、ジアルキルジチオリン酸亜鉛、酸化防止剤、摩耗防止剤または極圧剤、無灰摩擦調整剤、腐食防止剤、防錆剤、金属不活性化剤、抗乳化剤、消泡剤等の添加剤等を挙げることができる。
潤滑油組成物が酸化防止剤を含有する場合、その含有量は、潤滑油組成物全量基準で、通常5.0質量%以下であり、好ましくは3.0質量%以下であり、また好ましくは0.1質量%以上であり、より好ましくは0.5質量%以上である。
潤滑油組成物が摩耗防止剤または極圧剤を含有する場合、その含有量は、潤滑油組成物全量基準で、0.01〜10質量%であることが好ましい。
潤滑油組成物が無灰摩擦調整剤を含有する場合、その含有量は、潤滑油組成物全量を基準として、通常1000〜10000質量ppmであり、好ましくは3000質量ppm以上であり、また好ましくは8000質量ppm以下である。無灰摩擦調整剤の含有量が上記下限値以上であることにより、その添加による十分な摩擦低減効果を得ることが可能になる。また無灰摩擦調整剤の含有量が上記上限値以下であることにより、耐摩耗性添加剤などの効果が阻害される事態を抑制することが容易になるほか、添加剤の溶解性を高めることが容易になる。
潤滑油組成物の100℃における動粘度は、4.0〜6.1mm2/sであることが好ましく、より好ましくは5.5mm2/s以下であり、またより好ましくは4.5mm2/s以上である。潤滑油組成物の100℃における動粘度が上記上限値以下であることにより、省燃費性をさらに高めることが可能になる。また潤滑油組成物の100℃における動粘度が上記下限値以上であることにより、潤滑性を高めることが容易になる。
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(実施例1〜6)及び比較用の潤滑油組成物(比較例1〜4)をそれぞれ調製した。各組成物の組成を表1、表2に示す。表1、表2中、基油について「mass%」は基油全量を基準とする質量%を表し、基油以外の成分について「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: APIグループII基油(水素化分解鉱油系基油、SKルブリカンツ社製Yubase(登録商標)3)、動粘度(100℃)3.05mm2/s、動粘度(40℃)12.3mm2/s、粘度指数105、NOACK蒸発量(250℃、1h)40質量%、%CP 72.6%、%CN 27.4%、%CA 0%、飽和分99.6質量%、芳香族分0.3質量%、樹脂分0.1質量%
O−2: APIグループIII基油(水素化分解鉱油系基油、SKルブリカンツ社製Yubase(登録商標)4)、動粘度(100℃)4.24mm2/s、動粘度(40℃)19.3mm2/s、粘度指数127、NOACK蒸発量(250℃、1h)14.7質量%、%CP 80.7%、%CN 19.3%、%CA 0%、飽和分99.7質量%、芳香族分0.2質量%、樹脂分0.1質量%
O−3: APIグループIII基油(水素化分解鉱油系基油、SKルブリカンツ社製Yubase(登録商標)4 PLUS)、動粘度(100℃)4.15mm2/s、動粘度(40℃)18.7mm2/s、粘度指数135、NOACK蒸発量(250℃、1h)13.5質量%、%CP 87.3%、%CN 12.7%、%CA 0%、飽和分99.6質量%、芳香族分0.2質量%、樹脂分0.2質量%
O−4: APIグループIV基油(ポリα−オレフィン、ExxonMobil Chemical社製SpectraSyn(登録商標)2)、動粘度(100℃)1.69mm2/s、動粘度(40℃)5.06mm2/s、NOACK蒸発量(250℃、1h)100質量%
O−5: APIグループIV基油(ポリα−オレフィン、ExxonMobil Chemical社製SpectraSyn(登録商標)4)、動粘度(100℃)4.07mm2/s、動粘度(40℃)18.2mm2/s、粘度指数125、NOACK蒸発量(250℃、1h)12.7質量%
A−1:ホウ酸カルシウム過塩基化カルシウムサリシレート、Ca含有量6.8質量%、B含有量2.7質量%、塩基価(過塩素酸法)190mgKOH/g
B−1:炭酸マグネシウム過塩基化マグネシウムスルホネート、Mg含有量9.1質量%、塩基価(過塩素酸法)405mgKOH/g
A*−2:炭酸カルシウム過塩基化カルシウムサリシレート、Ca含有量8.0質量%、塩基価(過塩素酸法)225mgKOH/g((A)成分に該当しないカルシウム系清浄剤である。)
C−1:非分散型ポリメタクリレート系粘度指数向上剤、重量平均分子量400,000
D−1:硫化(オキシ)モリブデンジチオカーバメート(モリブデン系摩擦調整剤)、Mo含有量10質量%
E−1:ポリブテニルコハク酸イミド、窒素含有量1.6質量%、ホウ素含有量0質量%
酸化防止剤F−1:アミン系酸化防止剤(ジフェニルアミン)
酸化防止剤F−2:ヒンダードフェノール系酸化防止剤
ZnDTP:ジアルキルジチオリン酸亜鉛、P含有量:7.2質量%、S含有量:14.4質量%、Zn含有量:7.85質量%
各潤滑油組成物について、パネルコーキング試験により清浄化性能を評価した。Federal 791試験法のTentative Standard Method 3462-Tに準拠し、パネル温度300℃、油温100℃で、はねかけ棒を15秒間作動させた後45秒間停止させることを試験時間3時間にわたって繰り返した後、試験後のパネルへの付着物重量を測定した。結果を表1、表2に示している。本試験においてパネルコーキング量が80mg以下であれば、清浄化性能が良好であるといえる。
非特許文献1には、潤滑油組成物を内燃機関の潤滑に用いたときのLSPIの発生頻度は、該潤滑油組成物のCa含有量と正の相関を有し、該潤滑油組成物のP含有量およびMo含有量と負の相関を有することが報告されている。より具体的には、潤滑油組成物中の各元素の含有量に基づいて、LSPI頻度の指標を次の回帰式で推定できることが報告されている。
LSPI頻度指標=6.59×Ca−26.6×P−5.12×Mo+1.69 (14)
(式(14)中、Caは組成物中のカルシウム含有量(質量%)を表し、Pは組成物中のリン含有量(質量%)を表し、Moは組成物中のモリブデン含有量(質量%)を表す。)
上記の結果から、本発明の内燃機関用潤滑油組成物によれば、省燃費性、LSPI抑制能、オイル消費抑制能、及び清浄化性能をバランスよく向上させることが可能であることがわかる。
Claims (9)
- 1種以上の鉱油系基油もしくは1種以上の合成系基油またはそれらの組み合わせからなり、100℃における動粘度が4.0〜4.5mm2/sであり、250℃におけるNOACK蒸発量が15質量%以下である潤滑油基油と、
(A)ホウ酸カルシウムを含有する金属系清浄剤を、組成物全量基準でカルシウム量として1000質量ppm以上2000質量ppm未満と
を含有し、
(C)粘度指数向上剤を、組成物全量基準で1.0質量%未満含有するか、又は含有しないことを特徴とする、内燃機関用潤滑油組成物。 - (B)マグネシウムを含有する金属系清浄剤を更に含有する、請求項1に記載の内燃機関用潤滑油組成物。
- 前記(C)成分として、(C1)重量平均分子量が100,000以上であるポリ(メタ)アクリレート系粘度指数向上剤を含有し、
前記(C1)成分の含有量が、前記(C)成分の全含有量の95質量%以上である、請求項1又は2に記載の内燃機関用潤滑油組成物。 - 前記(C)成分を含有しない、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。
- (D)摩擦調整剤を更に含み、
前記(D)成分として、モリブデン系摩擦調整剤を含有する、請求項1〜4のいずれかに記載の内燃機関用潤滑油組成物。 - 前記潤滑油基油は1種以上の合成系基油である、請求項1〜5のいずれかに記載の内燃機関用潤滑油組成物。
- 150℃におけるHTHS粘度が1.7〜2.0mPa・sである、請求項1〜6のいずれかに記載の内燃機関用潤滑油組成物。
- 100℃におけるHTHS粘度が3.5〜4.4mPa・sである、請求項1〜7のいずれかに記載の内燃機関用潤滑油組成物。
- 250℃におけるNOACK蒸発量が15質量%以下である、請求項1〜8のいずれかに記載の内燃機関用潤滑油組成物。
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