JP2008510053A - 改善された性能を有する潤滑油組成物 - Google Patents
改善された性能を有する潤滑油組成物 Download PDFInfo
- Publication number
- JP2008510053A JP2008510053A JP2007526448A JP2007526448A JP2008510053A JP 2008510053 A JP2008510053 A JP 2008510053A JP 2007526448 A JP2007526448 A JP 2007526448A JP 2007526448 A JP2007526448 A JP 2007526448A JP 2008510053 A JP2008510053 A JP 2008510053A
- Authority
- JP
- Japan
- Prior art keywords
- tert
- butyl
- hydroxyhydrocinnamate
- group
- bis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 125
- 239000010687 lubricating oil Substances 0.000 title claims abstract description 28
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 49
- 239000002530 phenolic antioxidant Substances 0.000 claims abstract description 18
- 230000003647 oxidation Effects 0.000 claims abstract description 13
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 13
- -1 3,5-di-tert-butyl-4-hydroxyhydrocinnamoyloxy Chemical group 0.000 claims description 75
- 230000003078 antioxidant effect Effects 0.000 claims description 41
- 125000004432 carbon atom Chemical group C* 0.000 claims description 37
- 150000001875 compounds Chemical class 0.000 claims description 35
- 125000000217 alkyl group Chemical group 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- ICKWICRCANNIBI-UHFFFAOYSA-N 2,4-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=C(O)C(C(C)(C)C)=C1 ICKWICRCANNIBI-UHFFFAOYSA-N 0.000 claims description 16
- PXMJCECEFTYEKE-UHFFFAOYSA-N Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, methyl ester Chemical compound COC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 PXMJCECEFTYEKE-UHFFFAOYSA-N 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- WPMYUUITDBHVQZ-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoic acid Chemical compound CC(C)(C)C1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O WPMYUUITDBHVQZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 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 claims description 8
- 239000002199 base oil Substances 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 8
- 239000011368 organic material Substances 0.000 claims description 8
- YJBOLABRGWKEKR-UHFFFAOYSA-N 3,3-bis[1-carboxy-2-(3,5-ditert-butyl-4-hydroxyphenyl)ethyl]-2,6-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-4,4-dimethylheptanedioic acid Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC(CC(C)(C)C(C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(O)=O)(C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(O)=O)C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(O)=O)C(O)=O)=C1 YJBOLABRGWKEKR-UHFFFAOYSA-N 0.000 claims description 7
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 7
- PLTOWUBLEPQHQC-UHFFFAOYSA-N [2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]-3-hydroxypropyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(CO)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 PLTOWUBLEPQHQC-UHFFFAOYSA-N 0.000 claims description 7
- MFSAJLWSXLIOHZ-UHFFFAOYSA-N [2-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]-3-hydroxy-2-(hydroxymethyl)propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(CO)(CO)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MFSAJLWSXLIOHZ-UHFFFAOYSA-N 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 7
- NBPOOCGXISZKSX-UHFFFAOYSA-N 6-methylheptyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)CCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NBPOOCGXISZKSX-UHFFFAOYSA-N 0.000 claims description 6
- 239000007983 Tris buffer Substances 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 6
- DXCHWXWXYPEZKM-UHFFFAOYSA-N 2,4-ditert-butyl-6-[1-(3,5-ditert-butyl-2-hydroxyphenyl)ethyl]phenol Chemical compound C=1C(C(C)(C)C)=CC(C(C)(C)C)=C(O)C=1C(C)C1=CC(C(C)(C)C)=CC(C(C)(C)C)=C1O DXCHWXWXYPEZKM-UHFFFAOYSA-N 0.000 claims description 5
- PRWJPWSKLXYEPD-UHFFFAOYSA-N 4-[4,4-bis(5-tert-butyl-4-hydroxy-2-methylphenyl)butan-2-yl]-2-tert-butyl-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(C)CC(C=1C(=CC(O)=C(C=1)C(C)(C)C)C)C1=CC(C(C)(C)C)=C(O)C=C1C PRWJPWSKLXYEPD-UHFFFAOYSA-N 0.000 claims description 5
- OKOBUGCCXMIKDM-UHFFFAOYSA-N Irganox 1098 Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NCCCCCCNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OKOBUGCCXMIKDM-UHFFFAOYSA-N 0.000 claims description 5
- 125000002947 alkylene group Chemical group 0.000 claims description 5
- 230000015556 catabolic process Effects 0.000 claims description 5
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 239000000314 lubricant Substances 0.000 claims description 5
- LRYDMYPWXGPTAU-UHFFFAOYSA-N 2,5-bis[1,1-bis(3-tert-butyl-4-hydroxyphenyl)ethyl]hexanedioic acid Chemical compound C1=C(O)C(C(C)(C)C)=CC(C(C)(C(CCC(C(O)=O)C(C)(C=2C=C(C(O)=CC=2)C(C)(C)C)C=2C=C(C(O)=CC=2)C(C)(C)C)C(O)=O)C=2C=C(C(O)=CC=2)C(C)(C)C)=C1 LRYDMYPWXGPTAU-UHFFFAOYSA-N 0.000 claims description 4
- ZVVFVKJZNVSANF-UHFFFAOYSA-N 6-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]hexyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCCCCCCOC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 ZVVFVKJZNVSANF-UHFFFAOYSA-N 0.000 claims description 4
- 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 claims description 4
- 239000005069 Extreme pressure additive Substances 0.000 claims description 4
- 235000010354 butylated hydroxytoluene Nutrition 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 239000002270 dispersing agent Substances 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 4
- 239000003607 modifier Substances 0.000 claims description 4
- VNQNXQYZMPJLQX-UHFFFAOYSA-N 1,3,5-tris[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CN2C(N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C(=O)N(CC=3C=C(C(O)=C(C=3)C(C)(C)C)C(C)(C)C)C2=O)=O)=C1 VNQNXQYZMPJLQX-UHFFFAOYSA-N 0.000 claims description 3
- FLZYQMOKBVFXJS-UHFFFAOYSA-N 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoic acid Chemical compound CC1=CC(CCC(O)=O)=CC(C(C)(C)C)=C1O FLZYQMOKBVFXJS-UHFFFAOYSA-N 0.000 claims description 3
- VSAWBBYYMBQKIK-UHFFFAOYSA-N 4-[[3,5-bis[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-2,4,6-trimethylphenyl]methyl]-2,6-ditert-butylphenol Chemical compound CC1=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(C)=C1CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VSAWBBYYMBQKIK-UHFFFAOYSA-N 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- XYXJKPCGSGVSBO-UHFFFAOYSA-N 1,3,5-tris[(4-tert-butyl-3-hydroxy-2,6-dimethylphenyl)methyl]-1,3,5-triazinane-2,4,6-trione Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C)=C1CN1C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C(=O)N(CC=2C(=C(O)C(=CC=2C)C(C)(C)C)C)C1=O XYXJKPCGSGVSBO-UHFFFAOYSA-N 0.000 claims description 2
- SAJFQHPVIYPPEY-UHFFFAOYSA-N 2,6-ditert-butyl-4-(dioctadecoxyphosphorylmethyl)phenol Chemical compound CCCCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCCCC)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SAJFQHPVIYPPEY-UHFFFAOYSA-N 0.000 claims description 2
- BUZQSUSEQHVGCB-UHFFFAOYSA-N 2,6-ditert-butyl-4-[[5-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]-4-hydroxy-1,3,5-trimethylcyclohex-2-en-1-yl]methyl]phenol Chemical compound C1C(C)(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)C(O)C(C)=CC1(C)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BUZQSUSEQHVGCB-UHFFFAOYSA-N 0.000 claims description 2
- OXWDLAHVJDUQJM-UHFFFAOYSA-N 2-[[2-[2-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]ethylamino]-2-oxoacetyl]amino]ethyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCCNC(=O)C(=O)NCCOC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 OXWDLAHVJDUQJM-UHFFFAOYSA-N 0.000 claims description 2
- BXULGGYCPFDQON-UHFFFAOYSA-N 4-[[3,5-bis(octylsulfanyl)-1,3,5-triazinan-1-yl]amino]-2,6-ditert-butylphenol Chemical compound C1N(SCCCCCCCC)CN(SCCCCCCCC)CN1NC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BXULGGYCPFDQON-UHFFFAOYSA-N 0.000 claims description 2
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 2
- 230000002411 adverse Effects 0.000 claims description 2
- SJEZDMHBMZPMME-UHFFFAOYSA-L calcium;(3,5-ditert-butyl-4-hydroxyphenyl)methyl-ethoxyphosphinate Chemical compound [Ca+2].CCOP([O-])(=O)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1.CCOP([O-])(=O)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SJEZDMHBMZPMME-UHFFFAOYSA-L 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 230000007797 corrosion Effects 0.000 claims description 2
- 239000003599 detergent Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 2
- 125000004434 sulfur atom Chemical group 0.000 claims description 2
- 239000003760 tallow Substances 0.000 claims description 2
- 239000004088 foaming agent Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 235000019198 oils Nutrition 0.000 description 48
- 239000003921 oil Substances 0.000 description 47
- 235000006708 antioxidants Nutrition 0.000 description 41
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
- 239000000654 additive Substances 0.000 description 17
- BWDBEAQIHAEVLV-UHFFFAOYSA-N 6-methylheptan-1-ol Chemical compound CC(C)CCCCCO BWDBEAQIHAEVLV-UHFFFAOYSA-N 0.000 description 16
- 238000004821 distillation Methods 0.000 description 16
- 150000002148 esters Chemical class 0.000 description 15
- 230000000996 additive effect Effects 0.000 description 11
- 229920001577 copolymer Polymers 0.000 description 11
- 239000000446 fuel Substances 0.000 description 11
- 239000001993 wax Substances 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- 238000009472 formulation Methods 0.000 description 9
- 238000004817 gas chromatography Methods 0.000 description 9
- 239000004215 Carbon black (E152) Substances 0.000 description 8
- 125000003118 aryl group Chemical group 0.000 description 8
- 229930195733 hydrocarbon Natural products 0.000 description 8
- 150000002430 hydrocarbons Chemical class 0.000 description 8
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 7
- SMZOGRDCAXLAAR-UHFFFAOYSA-N aluminium isopropoxide Chemical compound [Al+3].CC(C)[O-].CC(C)[O-].CC(C)[O-] SMZOGRDCAXLAAR-UHFFFAOYSA-N 0.000 description 7
- 230000001915 proofreading effect Effects 0.000 description 7
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 6
- 150000001412 amines Chemical class 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
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- 229920000642 polymer Polymers 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 229910019142 PO4 Inorganic materials 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 230000001050 lubricating effect Effects 0.000 description 5
- 239000002480 mineral oil Substances 0.000 description 5
- 235000021317 phosphate Nutrition 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- 239000002904 solvent Substances 0.000 description 5
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- 229910052725 zinc Inorganic materials 0.000 description 5
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- 125000002015 acyclic group Chemical group 0.000 description 4
- 150000001298 alcohols Chemical class 0.000 description 4
- 125000002723 alicyclic group Chemical group 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- YXIWHUQXZSMYRE-UHFFFAOYSA-N 1,3-benzothiazole-2-thiol Chemical compound C1=CC=C2SC(S)=NC2=C1 YXIWHUQXZSMYRE-UHFFFAOYSA-N 0.000 description 3
- XUQNLOIVFHUMTR-UHFFFAOYSA-N 2-[[2-hydroxy-5-nonyl-3-(1-phenylethyl)phenyl]methyl]-4-nonyl-6-(1-phenylethyl)phenol Chemical compound OC=1C(C(C)C=2C=CC=CC=2)=CC(CCCCCCCCC)=CC=1CC(C=1O)=CC(CCCCCCCCC)=CC=1C(C)C1=CC=CC=C1 XUQNLOIVFHUMTR-UHFFFAOYSA-N 0.000 description 3
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- 229940126062 Compound A Drugs 0.000 description 3
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- 229910052717 sulfur Inorganic materials 0.000 description 3
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- GVJHHUAWPYXKBD-IEOSBIPESA-N (R)-alpha-Tocopherol Natural products OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C GVJHHUAWPYXKBD-IEOSBIPESA-N 0.000 description 2
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- ZQMPWXFHAUDENN-UHFFFAOYSA-N 1,2-bis[(2-methylphenyl)amino]ethane Natural products CC1=CC=CC=C1NCCNC1=CC=CC=C1C ZQMPWXFHAUDENN-UHFFFAOYSA-N 0.000 description 2
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical compound S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 description 2
- IFHBKEZIVARJME-UHFFFAOYSA-N 1-octyl-10h-phenothiazine Chemical group S1C2=CC=CC=C2NC2=C1C=CC=C2CCCCCCCC IFHBKEZIVARJME-UHFFFAOYSA-N 0.000 description 2
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 2
- KGRVJHAUYBGFFP-UHFFFAOYSA-N 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) Chemical compound CC(C)(C)C1=CC(C)=CC(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=C1O KGRVJHAUYBGFFP-UHFFFAOYSA-N 0.000 description 2
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- 229930003799 tocopherol Natural products 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 235000019149 tocopherols Nutrition 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- SMVBWTKCDCPTQG-UHFFFAOYSA-N tris[2-(7-methyloctyl)phenoxy]-sulfanylidene-$l^{5}-phosphane Chemical compound CC(C)CCCCCCC1=CC=CC=C1OP(=S)(OC=1C(=CC=CC=1)CCCCCCC(C)C)OC1=CC=CC=C1CCCCCCC(C)C SMVBWTKCDCPTQG-UHFFFAOYSA-N 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000002076 α-tocopherol Substances 0.000 description 1
- 235000004835 α-tocopherol Nutrition 0.000 description 1
- 239000011590 β-tocopherol Substances 0.000 description 1
- 235000007680 β-tocopherol Nutrition 0.000 description 1
- 239000002478 γ-tocopherol Substances 0.000 description 1
- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical class OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 description 1
- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 1
- 239000002446 δ-tocopherol Substances 0.000 description 1
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Abstract
【解決手段】改善された酸化性能を有する安定化された潤滑油組成物を開示する。これらの潤滑油組成物は、該改善された性能を付与する、特定のフェノール系抗酸化剤と他の抗酸化剤の組み合わせを含む。
【選択図】なし
Description
a)式(I)
R1は、1ないし4個の炭素原子を有するアルキル基を表わし;
nは、1ないし4の整数を表わし;
R2は、Hを表わすか又はR3の意味を有し;
R3は、−(CH2)x−COOR4(式中、xは1ないし10を表わし;
R4は、1ないし24個の炭素原子を有する直鎖又は枝分かれ鎖のアルキル基又は部分式Eで表わされる基を表わす。)を表わし;
nが1を表わす場合、Eは1ないし24個の炭素原子を有する直鎖又は枝分かれ鎖のアルキル基を表わし;
nが2を表わす場合、Eは2ないし12個の炭素原子を有する直鎖又は枝分かれ鎖のアルキレン基又は1ないし5個のO原子又はS原子によって中断された前記アルキレン基を表わし;
nが3を表わす場合、Eは3ないし6個の炭素原子を有する直鎖又は枝分かれ鎖のアルカントリイル基を表わし;
nが4を表わす場合、Eはペンタエリトリチル基を表わす。]で表わされる少なくとも
1種のヒンダードフェノール系抗酸化剤化合物;
b)少なくとも1種の更なる抗酸化剤化合物;及び、
c)基油
を含む。
ジメチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート、
ジイソオクチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート、及び
モノメチル−モノイソオクチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート、
からなる群から選択される式(I)で表わされるヒンダードフェノール系抗酸化剤化合物を含む。
本発明の組成物における好ましい成分b)のフェノール系抗酸化剤は、
n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
イソオクチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ネオペンタンテトライルテトラキス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
1,3,5−トリス(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)イソシアヌレート、
チオジエチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
1,3,5−トリメチル−2,4,6−トリス(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)ベンゼン、
3,6−ジオキサオクタメチレンビス(3−メチル−5−第三ブチル−4−ヒドロキシヒドロシンナメート)、
2,6−ジ−第三ブチル−p−クレゾール、
2,2’−エチリデン−ビス(4,6−ジ−第三ブチルフェノール)、
1,3,5−トリス(2,6−ジメチル−4−第三ブチル−3−ヒドロキシベンジル)イソシアヌレート、
1,1,3−トリス(2−メチル−4−ヒドロキシ−5−第三ブチルフェニル)ブタン、
1,3,5−トリス[2−(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイルオキシ)エチル]イソシアヌレート、
3,5−ジ−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)メシトール、
ヘキサメチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
1−(3,5−ジ−第三ブチル−4−ヒドロキシアニリノ)−3,5−ジ(オクチルチオ)−s−トリアジン、
N,N’−ヘキサメチレン−ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナムアミド)、
カルシウムビス(エチル3,5−ジ−第三ブチル−4−ヒドロキシベンジル−ホスホネート)、
エチレンビス[3,3−ジ(3−第三ブチル−4−ヒドロキシフェニル)ブチレート]、
オクチル3,5−ジ−第三ブチル−4−ヒドロキシベンジルメルカプトアセテート、
ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイル)ヒドラジド、
N,N’−ビス[2−(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイルオキシ)−エチル]オキサミド、
2,6−ジ−第三ブチルフェノール、
2,4−ジ−第三ブチルフェノール、
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ペンタエリトリトールトリス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
ペンタエリトリトールジ(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
トリス(2,4−ジ−第三ブチルフェニル)ホスフィット、
ジ−n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシベンジルホスホネート、
N,N−ジ−(炭素原子数14ないし24のアルキル)−N−メチルアミンオキシド、
N,N−ジアルキルヒドロキシルアミン及び
N,N−ジ(水素化牛脂)ヒドロキシルアミン、
からなる群から選択される。
n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
イソオクチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ネオペンタンテトライルテトラキス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
チオジエチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
2,2’−エチリデン−ビス(4,6−ジ−第三ブチルフェノール)、
1,1,3−トリス(2−メチル−4−ヒドロキシ−5−第三ブチルフェニル)ブタン、
ヘキサメチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
N,N’−ヘキサメチレン−ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナムアミド)、
エチレンビス[3,3−ジ(3−第三ブチル−4−ヒドロキシフェニル)ブチレート]、
ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイル)ヒドラジド、
2,6−ジ−第三ブチルフェノール、
2,4−ジ−第三ブチルフェノール、
メチル 3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ペンタエリトリトールトリス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナ
メート)、
ペンタエリトリトールジ(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、及び
トリス(2,4−ジ−第三ブチルフェニル)ホスフィット、
からなる群から選択される。
n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
イソオクチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ネオペンタンテトライルテトラキス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
チオジエチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
2,6−ジ−第三ブチルフェノール、
2,4−ジ−第三ブチルフェノール、
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ペンタエリトリトールトリス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
ペンタエリトリトールジ(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、及び
トリス(2,4−ジ−第三ブチルフェニル)ホスフィット、
からなる群から選択される。
エタノール、ジエチルエーテル、メチルエチルエーテル、ニトロメタン)等の非炭化水素系材料からなる液状燃料組成物も、トウモロコシ、アルファルファ、頁岩及び石炭等の植物又は鉱物源から誘導される液状燃料であるので、本発明の範囲内である。1種以上の炭化水素系燃料と1種以上の非炭化水素系材料の混合物である燃料も考慮される。このような混合物の例は、ガソリンとエタノールの組み合わせ及びディーゼル燃料とエーテルの組み合わせである。
a)式中、R1、R2、R3、R4及びEが上記で定義した通りである式(I)で表わされる少なくとも1種のヒンダードフェノール系抗酸化剤化合物;及び、
b)少なくとも1種の更なる抗酸化剤化合物
の混合物を含む抗酸化剤組成物も開示する。
する。
b)上記で定義した成分b)に従った少なくとも1種の抗酸化剤化合物;及び、
c)基油
を含む潤滑油組成物における酸化性能を改善するための方法であって、該方法は、前記潤滑油組成物中に上記で定義した式(I)で表わされる成分a)の化合物を少なくとも1種配合することからなる方法に関する。
抗酸化剤の例は、以下に示すものである:
1)アルキル化モノフェノール、例えば、2,6−ジ−第三ブチル−4−メチルフェノール、2−ブチル−4,6−ジメチルフェノール、2,6−ジ−第三ブチル−4−エチルフェノール、2,6−ジ−第三ブチル−4−n−ブチルフェノール、2,6−ジ−第三ブチル−4−イソブチルフェノール、2,6−ジシクロペンチル−4−メチルフェノール、2−(α−メチルシクロヘキシル)−4,6−ジメチルフェノール、2,6−ジオクタデシル−4−メチルフェノール、2,4,6−トリシクロヘキシルフェノール、2,6−ジ−第三ブチル−4−メトキシメチルフェノール、線状又は側鎖において枝分かれしたしたノニルフェノール、例えば、2,6−ジ−ノニル−4−メチルフェノール、2,4−ジメチル−6−(1’−メチルウンデシ−1’−イル)フェノール、2,4−ジメチル−6−(1’−メチルヘプタデシ−1’−イル)フェノール、2,4−ジメチル−6−(1’−メチルトリデシ−1’−イル)フェノール又はそれらの混合物。
2,5−ジ−第三アミルヒドロキノン、2,6−ジフェニル−4−オクタデシルオキシフェノール、2,6−ジ−第三ブチルヒドロキノン、2,5−ジ−第三ブチル−4−ヒドロキシアニソール、3,5−ジ−第三ブチル−4−ヒドロキシアニソール、3,5−ジ−第三ブチル−4−ヒドロキシフェニルステアレート又はビス(3,5−ジ−第三ブチル−4−ヒドロキシフェニル)アジペート。
2,2’−エチリデンビス(4,6−ジ−第三ブチルフェノール)、2,2’−エチリデンビス(6−第三ブチル−4−イソブチルフェノール)、2,2’−メチレンビス[6−(α−メチルベンジル)−4−ノニルフェノール]、2,2’−メチレンビス[6−(α,α−ジメチルベンジル)−4−ノニルフェノール]、4,4’−メチレンビス(2,6−ジ−第三ブチルフェノール)、4,4’−メチレンビス(6−第三ブチル−2−メチルフェノール)、1,1−ビス(5−第三ブチル−4−ヒドロキシ−2−メチルフェニル)ブタン、2,6−ビス(3−第三ブチル−5−メチル−2−ヒドロキシベンジル)−4−メチルフェノール、1,1,3−トリス(5−第三ブチル−4−ヒドロキシ−2−メチルフェニル)ブタン、1,1−ビス(5−第三ブチル−4−ヒドロキシ−2−メチルフェニル)−3−n−ドデシルメルカプトブタン、エチレングリコールビス[3,3−ビス(3’−第三ブチル−4’−ヒドロキシフェニル)ブチレート]、ビス(3−第三ブチル−4−ヒドロキシ−5−メチルフェニル)ジシクロペンタジエン、ビス[2−(3’−第三ブチル−2’−ヒドロキシ−5’−メチルベンジル)−6−第三ブチル−4−メチルフェニル]テレフタレート、1,1−ビス(3,5−ジメチル−2−ヒドロキシフェニル)ブタン、2,2−ビス(3,5−ジ−第三ブチル−4−ヒドロキシフェニル)プロパン、2,2−ビス(5−第三ブチル−4−ヒドロキシ−2−メチルフェニル)−4−n−ドデシルメルカプトブタン又は1,1,5,5−テトラ(5−第三ブチル−4−ヒドロキシ−2−メチルフェニル)ペンタン。
第三ブチル−4−ヒドロキシフェニルプロピオニル)ヒドラジン。
1)ベンゾトリアゾール及びそれらの誘導体、例えば4−又は5−アルキルベンゾトリアゾール(例えば、トルトリアゾール)及びその誘導体、4,5,6,7−テトラヒドロ
ベンゾトリアゾール、5,5’−メチレンビスベンゾトリアゾール;ベンゾトリアゾール又はトルトリアゾールの、例えば1−[ジ(2−エチルヘキシル)アミノメチル]トルトリアゾール及び 1−[ジ(2−エチルヘキシル)アミノメチル]−ベンゾトリアゾールのマンニッヒ塩基;アルコキシアルキルベンゾトリアゾール、例えば1−(ノニルオキシメチル)−ベンゾトリアゾール、1−(1−ブトキシエチル)−ベンゾトリアゾール及び1−(1−シクロヘキシルオキシブチル)−トルトリアゾール。
1)有機酸、それらのエステル、金属塩、アミン塩及び無水物、例えば、アルキル−及びアルケニル琥珀酸及びアルコール、ジオール又はヒドロキシカルボン酸とのその部分エステル、アルキル−及びアルケニル琥珀酸の部分アミド、4−ノニルフェノキシ酢酸、アルコキシ−及びアルコキシエトキシカルボン酸、例えばドデシルオキシ酢酸、ドデシルオキシ(エトキシ)酢酸及びそれらのアミン塩、及びまた、N−オレオイルサルコシン、ソルビタンモノオレエート、ナフテン酸鉛、アルケニル無水琥珀酸、例えば、ドデセニル無水琥珀酸、2−(2−カルボキシエチル)−1−ドデシル−3−メチルグリセロール及びその塩、特にナトリウム及びトリエタノールアミン塩。
i)第一級、第二級又は第三級脂肪族又は脂環式アミン及び有機酸及び無機酸のアミン塩、例えば油溶性アルキルアンモニウムカルボキシレート、及びまた、1−[N,N−ビス(2−ヒドロキシエチル)アミノ]−3−(4−ノニルフェノキシ)プロパノ−2−オール。
ii)複素環式化合物、例えば置換イミダゾリン及びオキサゾリン、2−ヘプタデセニル−1−(2−ヒドロキシエチル)−イミダゾリン。
エトキシカルボニル5−オクチルジチオカルバメートである。
R27は、水素原子、未置換の又は少なくとも1個の炭素原子数1ないし6のアルコキシ基によって置換された炭素原子数1ないし25の直鎖又は枝分かれ鎖のアルキル基、飽和した非環式又は脂環式基、又はアリール基を表わし;
R28は、未置換の又は少なくとも1個の炭素原子数1ないし6のアルコキシ基によって置換された炭素原子数1ないし25の直鎖又は枝分かれ鎖のアルキル基、飽和非環式基又は脂環式基、又はアリール基を表わし;
R29は、水素原子、炭素原子数1ないし25の直鎖又は枝分かれ鎖のアルキル基、飽和又は不飽和非環式基又は脂環式基又はアリール基を表わし;水素原子又は炭素原子数1ないし12の直鎖又は枝分かれ鎖のアルキル基を表わし;
R30及びR31は、各々互いに独立して、炭素原子数1ないし25の直鎖又は枝分かれ鎖のアルキル基、飽和又は不飽和非環式基又は脂環式基又はアリール基を表わし、
好ましくは、R27及びR28は、直鎖の又は枝分かれした炭素原子数1ないし12のアルキル基を表わし、R29、R30及びR31は、直鎖の又は枝分かれした炭素原子数1ないし18のアルキル基を表わす。)を有するモノ−及びジ−酸ホスフェートアミンである。
ルズ)は、特に、厳しい米軍性能規格を満たすように基油の磨耗性能を強化するため、非常に有用であることが発見された。イルガルベ 349は、式
実施例1:オクチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート。
実施例2−13:抗酸化剤組成物。
実施例14−18:適用例。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート(256.0g、0.88mol)及びイソオクタノール(133.0g、0.91mol)を必要な補助装置を備えた研究室用反応器に添加した。混合物を0.04バールの減圧下で85℃まで加熱した。15分後、減圧を解除し、アルミニウムイソプロポキシド(1.77g、0.0087mol、ローヌ−プーラン(Rhone−Poulenc)、マナロックス 130(登録商標:Manalox))を添加した。反応塊を、0.1バールの減圧下で130℃まで加熱した。2時間後、反応塊を、0.04バールの減圧下で165℃まで1時間加熱した。過剰なイソオクタノールを、165℃において減圧蒸留により除去した。校正ガスクロマトグラフィーにより測定された純度が97%であるところの表題の化合物(331.0g、収率97%)を、淡黄色オイルとして得た。
フェノール系抗酸化剤及びホスフィットを有機溶媒、例えばメタノール及びイソプロパノールから結晶化した。これらの溶媒流を一緒にブレンドし、該溶媒を蒸留により回収した。溶媒蒸留後に残る残渣は、2,6−ジ−第三ブチルフェノール:5.4質量%;2,4−ジ−第三ブチルフェノール:0.35質量%;メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート:21.2質量%;化合物A:29.0質量%;チオジエチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート):3.7質量%;ネオペンタンテトライルテトラキス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート):2.2質量%;ペンタエリトリトールトリス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート):5.9質量%;ペンタエリトリトールジ(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート):4.3質量%;n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート:4.2質量%;及びトリス(2,4−ジ−第三ブチルフェニル)ホスフィット:0.3質量%を含む(校正ガスクロマトグラフィーにより分析。)。
化合物Aは、
フェノール系抗酸化剤を、それらの製造中、蒸留によって精製した。残った蒸留残渣は、2,6−ジ−第三ブチルフェノール:42.3質量%;2,4−ジ−第三ブチルフェノール:0.85質量%;メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート:29.0質量%;及び、化合物A(実施例2の構造式で表わされる。):27.9質量%を含む(校正ガスクロマトグラフィーにより分析。)。
実施例1に従って得られた組成物(80.0g、0.21mol)、実施例2に従って得られた組成物(20.0g)及びメタノール(2.8g、0.088mol)をフラスコに入れ、均一になるまで攪拌した。その後、溶液を減圧下で加熱し、水分及びメタノールを除去した。恒量となるまで蒸留を続けた。抗酸化剤組成物を淡い琥珀色のオイルとし
て得た(99.0g)。
実施例1に従った組成物(90.0g、0.23mol)、実施例2に従った組成物(10.0g)及びメタノール(1.4g、0.044mol)をフラスコに入れ、均一になるまで攪拌した。その後、溶液を減圧下で加熱し、水分及びメタノールを除去した。恒量となるまで蒸留を続けた。表題の抗酸化剤組成物を淡い琥珀色のオイルとして得た(98.0g)。
実施例1に従った組成物(95.0g、0.24mol)、実施例2に従った組成物(5.0g)及びメタノール(0.7g、0.022mol)をフラスコに入れ、均一になるまで攪拌した。溶液を減圧下で加熱し、水分及びメタノールを除去した。恒量となるまで蒸留を続けた。抗酸化剤組成物を淡い琥珀色のオイルとして得た(99.0g)。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート(254.0g、0.87mol)、イソオクタノール(142.5g、1.09mol、エクソン社製エクザル 8(Exxal 8))及び実施例2に従った組成物(51.0g)を反応フラスコに入れ、減圧下で85℃まで加熱した。減圧を解除し、アルミニウムイソプロポキシド(5.0g、0.025mol、ローヌ−プーラン、マナロックス 130)を少しずつ添加した。減圧下で130℃まで加熱した。7時間後、温度を165℃まで3時間で上げた。過剰なイソオクタノールを減圧下で蒸留により除去した。(混合物として)イソオクチルエステルを87.6質量%含む(校正ガスクロマトグラフィーにより分析。)抗酸化剤組成物を淡い琥珀色のオイルとして得た(380.2g)。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート(125.0g、0.43mol)、イソオクタノール(75.0g、0.58mol、エクソン社製エクザル 8(Exxal 8))及び実施例3に従った組成物(30.3g)を反応フラスコに入れ、減圧下で87℃まで加熱した。減圧を解除し、アルミニウムイソプロポキシド(0.78g、0.004mol、ローヌ−プーラン、マナロックス 130)を添加した。0.13バールの減圧下で150℃まで加熱した。2時間半後、過剰なイソオクタノールを減圧下で蒸留により除去した。(混合物として)イソオクチルエステルを88.2質量%含む(校正ガスクロマトグラフィーにより分析。)抗酸化剤組成物を淡い琥珀色のオイルとして得た(187.3g)。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート(10.224g、34.97mol)、イソオクタノール(6002.0g、46.1mol、エクソン社製エクザル 8(Exxal 8))及び実施例3に従った組成物(1139.0g)を反応フラスコに入れ、減圧下で100℃まで加熱した。減圧を解除し、アルミニウムイソプロポキシド(244.2g、1.25mol、ローヌ−プーラン、マナロックス 130)を添加した。減圧下で150℃まで加熱した。1時間後、温度を165℃まで3時間で上げた。過剰なイソオクタノールを減圧下で蒸留により除去した。(混合物として)イソオクチルエステルを90.8質量%含む(校正ガスクロマトグラフィーにより分析。)抗酸化剤組成物を淡い琥珀色のオイルとして得た(15.164g)。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート(8640g、2
9.5mol)、イソオクタノール(5339.0g、41mol、エクソン社製エクザル 8(Exxal 8))及び実施例2に従った組成物(2229.0g)を反応フラスコに入れ、減圧下で100℃まで加熱した。減圧を解除し、アルミニウムイソプロポキシド(120.0g、0.62mol、ローヌ−プーラン、マナロックス 130)を添加した。減圧下で150℃まで加熱した。2時間半後、過剰なイソオクタノールを減圧下で蒸留により除去した。(混合物として)イソオクチルエステルを88.1質量%含む(校正ガスクロマトグラフィーにより分析。)抗酸化剤組成物を淡い琥珀色のオイルとして得た(13,497g)。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート(8909.0g、30.5mol)、イソオクタノール(4999.0g、38.4mol、エクソン社製エクザル 8(Exxal 8))及び実施例2に従った組成物(1815.0g)を反応フラスコに入れ、減圧下で100℃まで加熱した。減圧を解除し、アルミニウムイソプロポキシド(174.0g、0.89mol、ローヌ−プーラン、マナロックス 130)を少しずつ添加した。減圧下で130℃まで加熱した。7時間後、温度を165℃まで3時間で上げた。過剰なイソオクタノールを減圧下で蒸留により除去した。(混合物として)イソオクチルエステルを89.0質量%含む(校正ガスクロマトグラフィーにより分析。)抗酸化剤組成物を淡い琥珀色のオイルとして得た(13,834g)。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート(100kg)、イソオクタノール(62.9kg、エクソン社製エクザル 8(Exxal 8))及び実施例3に従った組成物(30.7kg)を反応器に入れ、減圧下で100℃まで加熱した。減圧を解除し、アルミニウムイソプロポキシド(650.0g、3.3mol、ローヌ−プーラン、マナロックス 130)を添加した。0.2バールの減圧下で150℃まで加熱した。2時間半後、過剰なイソオクタノールを減圧下で蒸留により除去した。(混合物として)イソオクチルエステルを85.9質量%含む(校正ガスクロマトグラフィーにより分析。)抗酸化剤組成物を淡い琥珀色のオイルとして得た(356.9ポンド)。
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、イソオクタノール及び実施例3に従った組成物を反応器に入れ、減圧下で100℃まで加熱した。減圧を解除し、マナロックス 130を添加した。0.2バールの減圧下で150℃まで加熱した。2時間半後、過剰なイソオクタノールを減圧下で蒸留により除去した。これらの反応条件下で、ジメチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート、ジイソオクチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート及びモノメチル−モノイソオクチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレートが生成した。
揮発性の可燃性成分が存在しないことを確認するため、実施例に基づき引火点試験を行った。試料を、22.2℃、60.6℃及び92.8℃においてエールドコ ラピッド テスター モデルRT−1(Erdco Rapid Tester Model RT−1)を使用して試験した。結果を以下にまとめた。
高温における揮発性を評価するために、いくつかの典型的な実施例に従った組成物を用いて熱重量分析(TGA)を行った。温度の増加に対する試料の質量損失を測定し、10%及び50%の質量損失が生じるところの温度を示した。結果を以下にまとめた。
組成物の乗用車用モーターオイル及びディーゼルエンジンオイル配合物等の潤滑剤におけるデポジット形成の抑制能力を評価した。スチールカップ上のオイルの薄膜をアルコル
マイクロ カーボン レジデュー テスター(Alcor Micro Carbon
Residue Tester)中で230℃において長時間加熱した。各時間間隔後、カップをヘキサンで洗浄し、残った残渣の量を決定した。設定時間間隔間に基本配合物によって形成されるデポジットと基本配合物と安定剤によって形成されるデポジットの差(%)を比較した。デポジット形成における有意な減少度は、性能指数(PI)を示す比で評価した。試料は、PIが高いほど、デポジット形成の制御においてより良好である。各配合物は、リンを0.05質量%含有するGF−4型配合物である完全配合SAE 5W−30乗用車用モーターオイル中に安定剤を1.5質量%含む。
組成物を、オイル試料のデポジット形成性を測定する試験で評価した。試験において、油滴を248℃に加熱したガラス毛管チューブ内部の圧縮空気によって上方に押した。試験オイルは、16時間、チューブを通して上昇浸透し、チューブ内壁上にラッカーを形成した。試験の終わりにおいて、チューブを洗浄し、乾燥させ、0−10の尺度で清浄度を評価した(0:汚い、10:清浄)。
各配合物は、リンを0.05質量%含有するGF−4型配合物である完全配合SAE 5W−30乗用車用モーターオイル中に安定剤を1.5質量%含む。2つの試験の平均を示すデータを以下にまとめた。
高圧示差走査熱量計(HPDSC)は、様々な基材における添加剤の酸化性能を評価する分析技術である。TAインストゥルメント モデル 2920(TA Instruments Model 2920)を評価のために使用した。評価する材料の揮発を防止するために、試験は加圧下で行った。この評価において、アルミニウム皿中の試料を、空気で0.519バールまで加圧したセル中で210℃において等温的に加熱した。発熱反応が発生するまでの時間(酸化誘発時間)を測定した。酸化誘発時間が長いほど、試料はより安定である。各配合物は、リンを0.05質量%含有するGF−4型配合物である完全配合SAE 5W−30乗用車用モーターオイル中に安定剤を1.5質量%含む。2つの試験の平均を示すデータを以下にまとめた。
Claims (9)
- a)式(I)
R1は、1ないし4個の炭素原子を有するアルキル基を表わし;
nは、1ないし4の整数を表わし;
R2は、Hを表わすか又はR3の意味を有し;
R3は、−(CH2)x−COOR4(式中、xは1ないし10を表わし;
R4は、1ないし24個の炭素原子を有する直鎖又は枝分かれ鎖のアルキル基又は部分式Eで表わされる基を表わす。)を表わし;
nが1を表わす場合、Eは1ないし24個の炭素原子を有する直鎖又は枝分かれ鎖のアルキル基を表わし;
nが2を表わす場合、Eは2ないし12個の炭素原子を有する直鎖又は枝分かれ鎖のアルキレン基又は1ないし5個のO原子又はS原子によって中断された前記アルキレン基を表わし;
nが3を表わす場合、Eは3ないし6個の炭素原子を有する直鎖又は枝分かれ鎖のアルカントリイル基を表わし;
nが4を表わす場合、Eはペンタエリトリチル基を表わす。]で表わされる少なくとも1種のヒンダードフェノール系抗酸化剤化合物;
b)少なくとも1種の更なる抗酸化剤化合物;及び、
c)基油
を含む潤滑油組成物。 - 前記成分a)が、
ジメチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート、
ジイソオクチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート、及び
モノメチル−モノイソオクチルα−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)グルタレート、
からなる群から選択される式(I)で表わされるヒンダードフェノール系抗酸化剤化合物を含む請求項1に記載の組成物。 - 成分b)のフェノール系抗酸化剤化合物が、
n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
イソオクチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ネオペンタンテトライルテトラキス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
1,3,5−トリス(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)イソシアヌレート、
チオジエチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
1,3,5−トリメチル−2,4,6−トリス(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)ベンゼン、
3,6−ジオキサオクタメチレンビス(3−メチル−5−第三ブチル−4−ヒドロキシヒドロシンナメート)、
2,6−ジ−第三ブチル−p−クレゾール、
2,2’−エチリデン−ビス(4,6−ジ−第三ブチルフェノール)、
1,3,5−トリス(2,6−ジメチル−4−第三ブチル−3−ヒドロキシベンジル)イソシアヌレート、
1,1,3−トリス(2−メチル−4−ヒドロキシ−5−第三ブチルフェニル)ブタン、
1,3,5−トリス[2−(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイルオキシ)エチル]イソシアヌレート、
3,5−ジ−(3,5−ジ−第三ブチル−4−ヒドロキシベンジル)メシトール、
ヘキサメチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
1−(3,5−ジ−第三ブチル−4−ヒドロキシアニリノ)−3,5−ジ(オクチルチオ)−s−トリアジン、
N,N’−ヘキサメチレン−ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナムアミド)、
カルシウムビス(エチル3,5−ジ−第三ブチル−4−ヒドロキシベンジル−ホスホネート)、
エチレンビス[3,3−ジ(3−第三ブチル−4−ヒドロキシフェニル)ブチレート]、
オクチル3,5−ジ−第三ブチル−4−ヒドロキシベンジルメルカプトアセテート、
ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイル)ヒドラジド、
N,N’−ビス[2−(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイルオキシ)−エチル]オキサミド、
2,6−ジ−第三ブチルフェノール、
2,4−ジ−第三ブチルフェノール、
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ペンタエリトリトールトリス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
ペンタエリトリトールジ(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
トリス(2,4−ジ−第三ブチルフェニル)ホスフィット、
ジ−n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシベンジルホスホネート、
N,N−ジ−(炭素原子数14ないし24のアルキル)−N−メチルアミンオキシド、
N,N−ジアルキルヒドロキシルアミン及び
N,N−ジ(水素化牛脂)ヒドロキシルアミン、
からなる群から選択される請求項1に記載の組成物。 - 成分b)のフェノール系抗酸化剤化合物が、
n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
イソオクチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ネオペンタンテトライルテトラキス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
チオジエチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
2,2’−エチリデン−ビス(4,6−ジ−第三ブチルフェノール)、
1,1,3−トリス(2−メチル−4−ヒドロキシ−5−第三ブチルフェニル)ブタン、
ヘキサメチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
N,N’−ヘキサメチレン−ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナムアミド)、
エチレンビス[3,3−ジ(3−第三ブチル−4−ヒドロキシフェニル)ブチレート]、
ビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナモイル)ヒドラジド、
2,6−ジ−第三ブチルフェノール、
2,4−ジ−第三ブチルフェノール、
メチル 3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ペンタエリトリトールトリス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
ペンタエリトリトールジ(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、及び
トリス(2,4−ジ−第三ブチルフェニル)ホスフィット、
からなる群から選択される請求項1に記載の組成物。 - 成分b)のフェノール系抗酸化剤化合物が、
n−オクタデシル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
イソオクチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ネオペンタンテトライルテトラキス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
チオジエチレンビス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
2,6−ジ−第三ブチルフェノール、
2,4−ジ−第三ブチルフェノール、
メチル3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート、
ペンタエリトリトールトリス(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、
ペンタエリトリトールジ(3,5−ジ−第三ブチル−4−ヒドロキシヒドロシンナメート)、及び
トリス(2,4−ジ−第三ブチルフェニル)ホスフィット、
からなる群から選択される請求項1に記載の組成物。 - 更に、d)他の抗酸化剤、金属不動態化剤、さび止め剤、腐食抑制剤、粘度指数向上剤、極圧添加剤、流動点降下剤、固体潤滑剤、分散剤、洗浄剤、消泡剤、色安定剤、更なる極圧添加剤、乳化破壊剤、摩擦調整剤及び磨耗防止剤からなる群から選択される少なくとも1種の化合物を含む請求項5に記載の組成物。
- b)上記で定義した成分b)に従った少なくとも1種の抗酸化剤化合物;及び
c)基油
を含む潤滑油組成物における酸化性能を改善するための方法であって、該方法は、前記潤滑油組成物中に請求項1で定義した式(I)で表わされる成分a)の化合物を少なくとも1種配合することからなる方法。 - a)式中、R1、R2、R3、R4及びEが請求項1で定義した通りである式(I)で表わされる少なくとも1種のヒンダードフェノール系抗酸化剤化合物;及び、
b)少なくとも1種の更なる抗酸化剤化合物
の混合物を含む抗酸化剤組成物。 - 更に、e)少なくとも1種の酸化、熱又は光誘発分解の悪影響を受けやすい有機材料を含む請求項8に記載の抗酸化剤組成物。
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- 2005-08-08 KR KR1020077002212A patent/KR101223000B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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CN101006165B (zh) | 2010-05-05 |
AU2005273923B2 (en) | 2010-11-11 |
BRPI0514457A (pt) | 2008-06-10 |
KR101223000B1 (ko) | 2013-01-16 |
KR20070043809A (ko) | 2007-04-25 |
CA2575502C (en) | 2013-06-04 |
JP5078614B2 (ja) | 2012-11-21 |
US7531487B2 (en) | 2009-05-12 |
TW200613542A (en) | 2006-05-01 |
CA2575502A1 (en) | 2006-02-23 |
CN101006165A (zh) | 2007-07-25 |
TWI383042B (zh) | 2013-01-21 |
WO2006018403A1 (en) | 2006-02-23 |
EP1776441A1 (en) | 2007-04-25 |
BRPI0514457B1 (pt) | 2014-12-16 |
MX2007001788A (es) | 2007-03-26 |
US20060040833A1 (en) | 2006-02-23 |
AU2005273923A1 (en) | 2006-02-23 |
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