JP5411465B2 - 潤滑剤組成物 - Google Patents
潤滑剤組成物 Download PDFInfo
- Publication number
- JP5411465B2 JP5411465B2 JP2008188818A JP2008188818A JP5411465B2 JP 5411465 B2 JP5411465 B2 JP 5411465B2 JP 2008188818 A JP2008188818 A JP 2008188818A JP 2008188818 A JP2008188818 A JP 2008188818A JP 5411465 B2 JP5411465 B2 JP 5411465B2
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- JP
- Japan
- Prior art keywords
- lubricant composition
- oil
- hydroxy
- component
- butyl
- 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.)
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- 239000000203 mixture Substances 0.000 title claims description 93
- 239000000314 lubricant Substances 0.000 title claims description 81
- -1 1,2,2,6,6-pentamethyl -4-piperidyl Chemical group 0.000 claims description 40
- 239000003921 oil Substances 0.000 claims description 29
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 24
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 24
- 239000001506 calcium phosphate Substances 0.000 claims description 21
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims description 21
- 229940078499 tricalcium phosphate Drugs 0.000 claims description 21
- 150000002894 organic compounds Chemical group 0.000 claims description 20
- 239000002199 base oil Substances 0.000 claims description 17
- 239000004094 surface-active agent Substances 0.000 claims description 17
- 239000002480 mineral oil Substances 0.000 claims description 12
- 235000010446 mineral oil Nutrition 0.000 claims description 10
- QUAMTGJKVDWJEQ-UHFFFAOYSA-N octabenzone Chemical compound OC1=CC(OCCCCCCCC)=CC=C1C(=O)C1=CC=CC=C1 QUAMTGJKVDWJEQ-UHFFFAOYSA-N 0.000 claims description 8
- 125000005907 alkyl ester group Chemical group 0.000 claims description 6
- HCILJBJJZALOAL-UHFFFAOYSA-N 3-(3,5-ditert-butyl-4-hydroxyphenyl)-n'-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyl]propanehydrazide Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)NNC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 HCILJBJJZALOAL-UHFFFAOYSA-N 0.000 claims description 5
- MCPKSFINULVDNX-UHFFFAOYSA-N drometrizole Chemical compound CC1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 MCPKSFINULVDNX-UHFFFAOYSA-N 0.000 claims description 4
- NFHFRUOZVGFOOS-UHFFFAOYSA-N palladium;triphenylphosphane Chemical compound [Pd].C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1.C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 NFHFRUOZVGFOOS-UHFFFAOYSA-N 0.000 claims description 2
- GGAUUQHSCNMCAU-UHFFFAOYSA-N butane-1,2,3,4-tetracarboxylic acid Chemical compound OC(=O)CC(C(O)=O)C(C(O)=O)CC(O)=O GGAUUQHSCNMCAU-UHFFFAOYSA-N 0.000 claims 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 16
- 239000000194 fatty acid Substances 0.000 description 16
- 229930195729 fatty acid Natural products 0.000 description 16
- 238000002845 discoloration Methods 0.000 description 15
- 150000002989 phenols Chemical class 0.000 description 9
- 239000002253 acid Substances 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 239000010696 ester oil Substances 0.000 description 7
- 239000002562 thickening agent Substances 0.000 description 7
- 150000001565 benzotriazoles Chemical class 0.000 description 5
- 239000011575 calcium Substances 0.000 description 5
- 150000005690 diesters Chemical class 0.000 description 5
- 238000011156 evaluation Methods 0.000 description 5
- 229920000098 polyolefin Polymers 0.000 description 5
- RLHGFJMGWQXPBW-UHFFFAOYSA-N 2-hydroxy-3-(1h-imidazol-5-ylmethyl)benzamide Chemical compound NC(=O)C1=CC=CC(CC=2NC=NC=2)=C1O RLHGFJMGWQXPBW-UHFFFAOYSA-N 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 239000012964 benzotriazole Substances 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 4
- XFRVVPUIAFSTFO-UHFFFAOYSA-N 1-Tridecanol Chemical compound CCCCCCCCCCCCCO XFRVVPUIAFSTFO-UHFFFAOYSA-N 0.000 description 3
- 239000012965 benzophenone Substances 0.000 description 3
- 150000008366 benzophenones Chemical class 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229940087291 tridecyl alcohol Drugs 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 2
- NWHNXXMYEICZAT-UHFFFAOYSA-N 1,2,2,6,6-pentamethylpiperidin-4-ol Chemical compound CN1C(C)(C)CC(O)CC1(C)C NWHNXXMYEICZAT-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- 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 2
- LHPPDQUVECZQSW-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4,6-ditert-butylphenol Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC(N2N=C3C=CC=CC3=N2)=C1O LHPPDQUVECZQSW-UHFFFAOYSA-N 0.000 description 2
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 2
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000005642 Oleic acid Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 239000004147 Sorbitan trioleate Substances 0.000 description 2
- PRXRUNOAOLTIEF-ADSICKODSA-N Sorbitan trioleate Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OC[C@@H](OC(=O)CCCCCCC\C=C/CCCCCCCC)[C@H]1OC[C@H](O)[C@H]1OC(=O)CCCCCCC\C=C/CCCCCCCC PRXRUNOAOLTIEF-ADSICKODSA-N 0.000 description 2
- 229930006000 Sucrose Natural products 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 2
- ZFMQKOWCDKKBIF-UHFFFAOYSA-N bis(3,5-difluorophenyl)phosphane Chemical compound FC1=CC(F)=CC(PC=2C=C(F)C=C(F)C=2)=C1 ZFMQKOWCDKKBIF-UHFFFAOYSA-N 0.000 description 2
- FQUNFJULCYSSOP-UHFFFAOYSA-N bisoctrizole Chemical compound N1=C2C=CC=CC2=NN1C1=CC(C(C)(C)CC(C)(C)C)=CC(CC=2C(=C(C=C(C=2)C(C)(C)CC(C)(C)C)N2N=C3C=CC=CC3=N2)O)=C1O FQUNFJULCYSSOP-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 239000001273 butane Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 description 2
- XWVQUJDBOICHGH-UHFFFAOYSA-N dioctyl nonanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCC(=O)OCCCCCCCC XWVQUJDBOICHGH-UHFFFAOYSA-N 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 150000005002 naphthylamines Chemical class 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- 239000002736 nonionic surfactant Substances 0.000 description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 2
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 2
- 125000001484 phenothiazinyl group Chemical class C1(=CC=CC=2SC3=CC=CC=C3NC12)* 0.000 description 2
- 150000004986 phenylenediamines Chemical class 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000004671 saturated fatty acids Chemical class 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 239000012321 sodium triacetoxyborohydride Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 235000019337 sorbitan trioleate Nutrition 0.000 description 2
- 229960000391 sorbitan trioleate Drugs 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 239000005720 sucrose Substances 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- WUPCFMITFBVJMS-UHFFFAOYSA-N tetrakis(1,2,2,6,6-pentamethylpiperidin-4-yl) butane-1,2,3,4-tetracarboxylate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CC(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)C(C(=O)OC1CC(C)(C)N(C)C(C)(C)C1)CC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 WUPCFMITFBVJMS-UHFFFAOYSA-N 0.000 description 2
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 2
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 2
- ZORQXIQZAOLNGE-UHFFFAOYSA-N 1,1-difluorocyclohexane Chemical compound FC1(F)CCCCC1 ZORQXIQZAOLNGE-UHFFFAOYSA-N 0.000 description 1
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 1
- 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 1
- VUZNLSBZRVZGIK-UHFFFAOYSA-N 2,2,6,6-Tetramethyl-1-piperidinol Chemical compound CC1(C)CCCC(C)(C)N1O VUZNLSBZRVZGIK-UHFFFAOYSA-N 0.000 description 1
- ZXDDPOHVAMWLBH-UHFFFAOYSA-N 2,4-Dihydroxybenzophenone Chemical compound OC1=CC(O)=CC=C1C(=O)C1=CC=CC=C1 ZXDDPOHVAMWLBH-UHFFFAOYSA-N 0.000 description 1
- OPLCSTZDXXUYDU-UHFFFAOYSA-N 2,4-dimethyl-6-tert-butylphenol Chemical compound CC1=CC(C)=C(O)C(C(C)(C)C)=C1 OPLCSTZDXXUYDU-UHFFFAOYSA-N 0.000 description 1
- CXDRHQMFHIESDS-UHFFFAOYSA-N 2,4-ditert-butyl-6-(5-chlorobenzotriazol-2-yl)-4-methylcyclohexa-1,5-dien-1-ol Chemical compound CC(C)(C)C1(C)CC(C(C)(C)C)=C(O)C(N2N=C3C=C(Cl)C=CC3=N2)=C1 CXDRHQMFHIESDS-UHFFFAOYSA-N 0.000 description 1
- JZODKRWQWUWGCD-UHFFFAOYSA-N 2,5-di-tert-butylbenzene-1,4-diol Chemical compound CC(C)(C)C1=CC(O)=C(C(C)(C)C)C=C1O JZODKRWQWUWGCD-UHFFFAOYSA-N 0.000 description 1
- LKALLEFLBKHPTQ-UHFFFAOYSA-N 2,6-bis[(3-tert-butyl-2-hydroxy-5-methylphenyl)methyl]-4-methylphenol Chemical compound OC=1C(CC=2C(=C(C=C(C)C=2)C(C)(C)C)O)=CC(C)=CC=1CC1=CC(C)=CC(C(C)(C)C)=C1O LKALLEFLBKHPTQ-UHFFFAOYSA-N 0.000 description 1
- SLUKQUGVTITNSY-UHFFFAOYSA-N 2,6-di-tert-butyl-4-methoxyphenol Chemical compound COC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SLUKQUGVTITNSY-UHFFFAOYSA-N 0.000 description 1
- VMZVBRIIHDRYGK-UHFFFAOYSA-N 2,6-ditert-butyl-4-[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 VMZVBRIIHDRYGK-UHFFFAOYSA-N 0.000 description 1
- QHPKIUDQDCWRKO-UHFFFAOYSA-N 2,6-ditert-butyl-4-[2-(3,5-ditert-butyl-4-hydroxyphenyl)propan-2-yl]phenol Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(C(C)(C)C=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 QHPKIUDQDCWRKO-UHFFFAOYSA-N 0.000 description 1
- YQQQXXUABFURLN-UHFFFAOYSA-N 2,6-ditert-butyl-4-ethoxyphenol Chemical compound CCOC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 YQQQXXUABFURLN-UHFFFAOYSA-N 0.000 description 1
- CERSSIBZUBWEHU-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-6-[[3-(benzotriazol-2-yl)-2-hydroxy-5-(2-hydroxyethyl)phenyl]methyl]-4-(2-hydroxyethyl)phenol Chemical compound N1=C2C=CC=CC2=NN1C1=CC(CCO)=CC(CC=2C(=C(C=C(CCO)C=2)N2N=C3C=CC=CC3=N2)O)=C1O CERSSIBZUBWEHU-UHFFFAOYSA-N 0.000 description 1
- ROHFBIREHKPELA-UHFFFAOYSA-N 2-[(3,5-ditert-butyl-4-hydroxyphenyl)methyl]prop-2-enoic acid;methane Chemical compound C.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O.CC(C)(C)C1=CC(CC(=C)C(O)=O)=CC(C(C)(C)C)=C1O ROHFBIREHKPELA-UHFFFAOYSA-N 0.000 description 1
- QSRJVOOOWGXUDY-UHFFFAOYSA-N 2-[2-[2-[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoyloxy]ethoxy]ethoxy]ethyl 3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C)=CC(CCC(=O)OCCOCCOCCOC(=O)CCC=2C=C(C(O)=C(C)C=2)C(C)(C)C)=C1 QSRJVOOOWGXUDY-UHFFFAOYSA-N 0.000 description 1
- TXBCBTDQIULDIA-UHFFFAOYSA-N 2-[[3-hydroxy-2,2-bis(hydroxymethyl)propoxy]methyl]-2-(hydroxymethyl)propane-1,3-diol Chemical compound OCC(CO)(CO)COCC(CO)(CO)CO TXBCBTDQIULDIA-UHFFFAOYSA-N 0.000 description 1
- DAKZLOJXUDPQIL-UHFFFAOYSA-N 2-butyl-4-ethylphenol Chemical compound CCCCC1=CC(CC)=CC=C1O DAKZLOJXUDPQIL-UHFFFAOYSA-N 0.000 description 1
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 1
- WJQOZHYUIDYNHM-UHFFFAOYSA-N 2-tert-Butylphenol Chemical compound CC(C)(C)C1=CC=CC=C1O WJQOZHYUIDYNHM-UHFFFAOYSA-N 0.000 description 1
- HXIQYSLFEXIOAV-UHFFFAOYSA-N 2-tert-butyl-4-(5-tert-butyl-4-hydroxy-2-methylphenyl)sulfanyl-5-methylphenol Chemical compound CC1=CC(O)=C(C(C)(C)C)C=C1SC1=CC(C(C)(C)C)=C(O)C=C1C HXIQYSLFEXIOAV-UHFFFAOYSA-N 0.000 description 1
- PFANXOISJYKQRP-UHFFFAOYSA-N 2-tert-butyl-4-[1-(5-tert-butyl-4-hydroxy-2-methylphenyl)butyl]-5-methylphenol Chemical compound C=1C(C(C)(C)C)=C(O)C=C(C)C=1C(CCC)C1=CC(C(C)(C)C)=C(O)C=C1C PFANXOISJYKQRP-UHFFFAOYSA-N 0.000 description 1
- IMOYOUMVYICGCA-UHFFFAOYSA-N 2-tert-butyl-4-hydroxyanisole Chemical compound COC1=CC=C(O)C=C1C(C)(C)C IMOYOUMVYICGCA-UHFFFAOYSA-N 0.000 description 1
- XOUQAVYLRNOXDO-UHFFFAOYSA-N 2-tert-butyl-5-methylphenol Chemical compound CC1=CC=C(C(C)(C)C)C(O)=C1 XOUQAVYLRNOXDO-UHFFFAOYSA-N 0.000 description 1
- WIZVALYRXUIVMS-UHFFFAOYSA-N 2-tert-butyl-6-(5-chlorobenzotriazol-2-yl)-4-(3-hydroxypropyl)phenol Chemical compound CC(C)(C)C1=CC(CCCO)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O WIZVALYRXUIVMS-UHFFFAOYSA-N 0.000 description 1
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 1
- BKZXZGWHTRCFPX-UHFFFAOYSA-N 2-tert-butyl-6-methylphenol Chemical compound CC1=CC=CC(C(C)(C)C)=C1O BKZXZGWHTRCFPX-UHFFFAOYSA-N 0.000 description 1
- FBIXXCXCZOZFCO-UHFFFAOYSA-N 3-dodecyl-1-(2,2,6,6-tetramethylpiperidin-4-yl)pyrrolidine-2,5-dione Chemical compound O=C1C(CCCCCCCCCCCC)CC(=O)N1C1CC(C)(C)NC(C)(C)C1 FBIXXCXCZOZFCO-UHFFFAOYSA-N 0.000 description 1
- MRBKEAMVRSLQPH-UHFFFAOYSA-N 3-tert-butyl-4-hydroxyanisole Chemical compound COC1=CC=C(O)C(C(C)(C)C)=C1 MRBKEAMVRSLQPH-UHFFFAOYSA-N 0.000 description 1
- MDWVSAYEQPLWMX-UHFFFAOYSA-N 4,4'-Methylenebis(2,6-di-tert-butylphenol) Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MDWVSAYEQPLWMX-UHFFFAOYSA-N 0.000 description 1
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Landscapes
- Lubricants (AREA)
Description
上記鉱油及び合成油の中でも、耐光性をさらに高めることができるという観点から、基油にはポリオレフィン油が含まれることが好ましく、ポリαオレフィン油が含まれることがより好ましい。
第三リン酸カルシウムとしては、Ca3(PO4)2を使用することができる。また、〔Ca3(PO4)2〕3・Ca(OH)2で表されるヒドロキシアパタイトの化学構造を有している化合物が好適に使用される。
フェノール系化合物としては、例えば3,5−ビス(1,1−ジメチル−エチル)−4−ヒドロキシ−ベンゼンプロピオン酸のC7〜C9分岐アルキルエステル、2−t−ブチルフェノール、2−t−ブチル−4−メチルフェノール、2−t−ブチル−5−メチルフェノール、2,4−ジ−t−ブチルフェノール、2,4−ジメチル−6−t−ブチルフェノール、2−t−ブチル−4−メトキシフェノール、3−t−ブチル−4−メトキシフェノール、2,5−ジ−t−ブチルヒドロキノン、2,6−ジ−t−ブチル−4−アルキルフェノール、2,6−ジ−t−ブチル−4−アルコキシフェノール、3,5−ジ−t−ブチル−4−ヒドロキシベンジルメルカプトオクチルアセテート、アルキル−3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート、2,6−ジ−t−ブチル−α−ジメチルアミノ−p−クレゾール、2,2´−メチレンビス(4−アルキル−6−t−ブチルフェノール)、ビスフェノール、ポリフェノール、p−t−ブチルフェノール−ホルムアルデヒド縮合物及びp−t−ブチルフェノール−アセトアルデヒド縮合物が挙げられる。
ベンゾフェノン系化合物としては、例えば2,4−ジヒドロキシベンゾフェノン、2−ヒドロキシ−4−メトキシベンゾフェノン、2,2´−ジヒドロキシ−4,4´−ジメトキシベンゾフェノン、2−ヒドロキシ−4−n−オクチルオキシベンゾフェノン、ビス(5−ベンゾイル−4−ヒドロキシ−2−メトキシフェニル)メタン及び1,4−ビス(4−ベンゾイル−3−ヒドロキシフェノン)−ブタンが挙げられる。
ヒンダードアミン系化合物としては、例えば3−ドデシル−1−(2,2,6,6−テトラメチル−4−ピペリジニル)ピロリジン−2,5−ジオン、N−メチル−3−ドデシル−1−(2,2,6,6−テトラメチル−4−ピペリジニル)ピロリジン−2,5−ジオン、N−アセチル−3−ドデシル−1−(2,2,6,6−テトラメチル−4−ピペリジニル)ピロリジン−2,5−ジオン、セバシン酸ビス(2,2,6,6−テトラメチル−4−ピペリジル)、セバシン酸ビス(1,2,2,6,6−ペンタメチル−4−ピペリジル)、テトラキス(2,2,6,6−テトラメチル−4−ピペリジル)1,2,3,4−ブタンテトラカルボキシレート、テトラキス(1,2,2,6,6−ペンタメチル−4−ピペリジル)1,2,3,4−ブタンテトラカルボキシレート、1,2,3,4−ブタンテトラカルボン酸と2,2,6,6−テトラメチル−ピペリジノールとトリデカノールとの縮合物、1,2,3,4−ブタンテトラカルボン酸と1,2,2,6,6−ペンタメチル−4−ピペリジノールとトリデカノールとの縮合物、8−アセチル−3−ドデシル−7,7,9,9−テトラメチル−1,3,8−トリアザスピロ[4,5]デカン−2,4−ジオン、1,2,3,4−ブタンテトラカルボン酸と1,2,2,6,6−ペンタメチル−4−ピペリジノールとβ,β,β´,β´−テトラメチル−3,9−(2,4,8,10−テトラオキサスピロ[5,5]ウンデカン)ジエタノールとの縮合物、及び1,2,3,4−ブタンテトラカルボン酸と2,2,6,6−ペンタメチル−4−ピペリジノールとβ,β,β´,β´−テトラメチル−3,9−(2,4,8,10−テトラオキサスピロ[5,5]ウンデカン)ジエタノールとの縮合物が挙げられる。
潤滑剤組成物には、フェノール系化合物からなる第1の成分と、ベンゾトリアゾール系化合物、ベンゾフェノン系化合物、及びヒンダードアミン系化合物から選ばれる少なくとも一種からなる第2の成分とが含まれることが好ましい。第1の成分であるフェノール系化合物は、上記基油としての合成油、及び増ちょう剤としての第三リン酸カルシウムを含有する潤滑剤組成物に含有されることで、同潤滑剤組成物の酸化を抑制する。こうした潤滑剤組成物に第2の成分を含有させることで、同潤滑剤組成物の耐光性をより高めることができる。
グリセリン脂肪酸エステルとしては、例えばステアリン酸モノグリセライド、オレイン酸モノグリセライド、ステアリン酸及びオレイン酸のモノ・ジグリセライド等が挙げられる。ソルビタン脂肪酸エステルとしては、例えばソルビタンモノラウレート、ソルビタンモノパルミテート、ソルビタンモノステアレート、ソレビタンモノオレエート、ソルビタントリステアレート、ソルビタントリオレエート等が挙げられる。ショ糖脂肪酸エステルとしては、例えばショ糖パルミチン酸エステル、ショ糖ステアリン酸エステル等が挙げられる。
(1)本実施形態の潤滑剤組成物には、フェノール系化合物、ベンゾトリアゾール系化合物、ベンゾフェノン系化合物、及びヒンダードアミン系化合物から選ばれる少なくとも一種の有機化合物が含有されている。この構成によれば、耐光性を発揮させることができる。従って、本実施形態の潤滑剤組成物では、例えば太陽光の照射に伴って同組成物が褐変するという不具合が抑制されるため、同組成物の外観上の品質が維持されるようになる。また、潤滑剤組成物が例えば摺動部位周辺の塗装面に付着した状態で放置された場合であっても、組成物の褐変に基づいて塗装面が変色するという不具合を抑制することができる。
・前記ヒンダードアミン系化合物以外の有機アミン系化合物を含有しない潤滑剤組成物。
(実施例1〜4)
基油、第三リン酸カルシウム、有機化合物等を試作釜に投入し、同試作釜にて100℃まで加熱するとともに撹拌した後、三本ロールミルにて混捏することで、潤滑剤組成物を調製した。表1には、潤滑剤組成物に含まれる各成分の含有量を質量%で示している。表1に示される各成分の詳細は以下のとおりである。
フェノール系化合物は、ヒンダードフェノール化合物3,5−ビス(1,1−ジメチル−エチル)−4−ヒドロキシ−ベンゼンプロピオン酸のC7〜C9分岐アルキルエステル(チバ・スペシャルティ・ケミカルズ社製、商品名:イルガノックスL135)である。
ベンゾフェノン系化合物は、2−ヒドロキシ−4−n−オクチルオキシベンゾフェノン(株式会社ADEKA製、商品名:アデカスタブ1413)である。
(比較例1及び2)
比較例1及び2においては、表1に示される組成に変更した以外は、各実施例と同様にして潤滑剤組成物を調製した。
実施例5〜7においては、表2に示される組成に変更した以外は、実施例1〜4と同様にして潤滑剤組成物を調製した。表2には、潤滑剤組成物に含まれる各成分の含有量を質量%で示している。なお、表2中の合成油は、ポリαオレフィン油(PAO40)であり、その性状は次の通りである。40℃における動粘度は400mm2/sであり、100℃における動粘度は40mm2/sであり、粘度指数は152であり、流動点は−39℃である。
<組成物及び塗装面の変色試験>
鋼板にアクリル焼付き塗装を施した塗装板を準備した。その塗装板の塗装面上に各例の潤滑剤組成物を直径約8mm、厚さ2mmの円板状をなすように載置した。塗装面上の組成物に対して人工太陽照明灯(セリック社製、形式:SXL−5004V4S形)を用いて人工太陽光を7日間照射した。なお、自然太陽光の照度は、1日の平均において約30,000ルクスである。上記人工太陽照明灯から照射される人工太陽光の照度は30,000ルクスを超えるとともに、同人工太陽光の分光分布は、自然太陽光の分光分布に極めて近いものである。
(評価基準)
変色はほとんど確認されない:評価“3”
僅かに変色が認められる:評価“2”
変色が認められる:評価“1”
強い変色(黒変)が認められる:評価“0”
次に、上記変色試験を行った組成物を脱脂綿で完全に拭き取って除去した後、塗装面の変色度合いについて上記評価基準に従って4段階で評価した。
Claims (3)
- 鉱油及び合成油から選ばれる少なくとも一種の基油、0.2〜18質量%の界面活性剤、及び第三リン酸カルシウムを含有する潤滑剤組成物において、
第1の成分及び第2の成分から選ばれる少なくとも一種の有機化合物を含有し、
前記第1の成分は、3,5−ビス(1,1−ジメチル−エチル)−4−ヒドロキシ−ベンゼンプロピオン酸のC7〜C9分岐アルキルエステルであり、
前記第2の成分は、2−(2´−ヒドロキシ−5´−メチルフェニル)ベンゾトリアゾール、2−ヒドロキシ−4−n−オクチルオキシベンゾフェノン、及びテトラキス(1,2,2,6,6−ペンタメチル−4−ピペリジル)1,2,3,4−ブタンテトラカルボキシレートから選ばれる少なくとも一種であり、太陽光又は紫外光の照射を受ける機器に用いられることを特徴とする潤滑剤組成物。 - 前記基油が、合成油であり、前記有機化合物が、前記第1の成分と、前記第2の成分とを含むことを特徴とする請求項1に記載の潤滑剤組成物。
- 前記有機化合物の含有量が0.1〜10質量%であることを特徴とする請求項1又は請求項2のいずれか一項に記載の潤滑剤組成物。
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