JP5475981B2 - Lubricating oil composition - Google Patents
Lubricating oil composition Download PDFInfo
- Publication number
- JP5475981B2 JP5475981B2 JP2008291281A JP2008291281A JP5475981B2 JP 5475981 B2 JP5475981 B2 JP 5475981B2 JP 2008291281 A JP2008291281 A JP 2008291281A JP 2008291281 A JP2008291281 A JP 2008291281A JP 5475981 B2 JP5475981 B2 JP 5475981B2
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- JP
- Japan
- Prior art keywords
- acid
- oil
- group
- carbon atoms
- general formula
- 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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- 239000010687 lubricating oil Substances 0.000 title claims description 51
- 239000000203 mixture Substances 0.000 title claims description 45
- -1 N-3 decyloxypropyl-aspartic acid diisobutyl ester Chemical compound 0.000 claims description 134
- 125000004432 carbon atom Chemical group C* 0.000 claims description 57
- 239000002253 acid Substances 0.000 claims description 49
- 239000002199 base oil Substances 0.000 claims description 43
- 125000000217 alkyl group Chemical group 0.000 claims description 30
- 239000000654 additive Substances 0.000 claims description 28
- 230000000996 additive effect Effects 0.000 claims description 25
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 21
- 229930195729 fatty acid Natural products 0.000 claims description 21
- 239000000194 fatty acid Substances 0.000 claims description 21
- 125000003342 alkenyl group Chemical group 0.000 claims description 20
- 239000003921 oil Substances 0.000 claims description 18
- 235000019198 oils Nutrition 0.000 claims description 17
- 150000003443 succinic acid derivatives Chemical class 0.000 claims description 16
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 15
- 150000001509 aspartic acid derivatives Chemical class 0.000 claims description 15
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 14
- 239000000600 sorbitol Substances 0.000 claims description 14
- 239000003760 tallow Substances 0.000 claims description 14
- 150000002148 esters Chemical class 0.000 claims description 11
- 150000004665 fatty acids Chemical class 0.000 claims description 11
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims description 11
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 10
- 239000000811 xylitol Substances 0.000 claims description 10
- 229960002675 xylitol Drugs 0.000 claims description 10
- 235000010447 xylitol Nutrition 0.000 claims description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 9
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 9
- 235000015278 beef Nutrition 0.000 claims description 8
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002480 mineral oil Substances 0.000 claims description 8
- 235000010446 mineral oil Nutrition 0.000 claims description 5
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 4
- 229920000768 polyamine Polymers 0.000 claims description 4
- 235000019482 Palm oil Nutrition 0.000 claims description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 3
- 125000002947 alkylene group Chemical group 0.000 claims description 3
- PMWHATAFABINDH-UHFFFAOYSA-N ethyl 3-di(propan-2-yloxy)phosphinothioylsulfanylpropanoate Chemical compound CCOC(=O)CCSP(=S)(OC(C)C)OC(C)C PMWHATAFABINDH-UHFFFAOYSA-N 0.000 claims description 3
- 239000000944 linseed oil Substances 0.000 claims description 3
- 235000021388 linseed oil Nutrition 0.000 claims description 3
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 claims description 3
- 239000002540 palm oil Substances 0.000 claims description 3
- 229920013639 polyalphaolefin Polymers 0.000 claims description 3
- 150000004671 saturated fatty acids Chemical class 0.000 claims description 3
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 3
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims description 3
- GGQRKYMKYMRZTF-UHFFFAOYSA-N 2,2,3,3-tetrakis(prop-1-enyl)butanedioic acid Chemical compound CC=CC(C=CC)(C(O)=O)C(C=CC)(C=CC)C(O)=O GGQRKYMKYMRZTF-UHFFFAOYSA-N 0.000 claims description 2
- BDWAKPUKRWHTOZ-VWLOTQADSA-N C(C(C)C)OC([C@@H](NCCCOCCCCCCCCCCCC)CC(=O)OCC(C)C)=O Chemical compound C(C(C)C)OC([C@@H](NCCCOCCCCCCCCCCCC)CC(=O)OCC(C)C)=O BDWAKPUKRWHTOZ-VWLOTQADSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 235000019484 Rapeseed oil Nutrition 0.000 claims description 2
- 235000019774 Rice Bran oil Nutrition 0.000 claims description 2
- 235000019485 Safflower oil Nutrition 0.000 claims description 2
- 235000019486 Sunflower oil Nutrition 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000004359 castor oil Substances 0.000 claims description 2
- 235000019438 castor oil Nutrition 0.000 claims description 2
- 150000004985 diamines Chemical class 0.000 claims description 2
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 claims description 2
- UWNADWZGEHDQAB-UHFFFAOYSA-N i-Pr2C2H4i-Pr2 Natural products CC(C)CCC(C)C UWNADWZGEHDQAB-UHFFFAOYSA-N 0.000 claims description 2
- 239000003346 palm kernel oil Substances 0.000 claims description 2
- 235000019865 palm kernel oil Nutrition 0.000 claims description 2
- 150000003141 primary amines Chemical class 0.000 claims description 2
- 239000008165 rice bran oil Substances 0.000 claims description 2
- 235000005713 safflower oil Nutrition 0.000 claims description 2
- 239000003813 safflower oil Substances 0.000 claims description 2
- 235000003441 saturated fatty acids Nutrition 0.000 claims description 2
- 150000003335 secondary amines Chemical class 0.000 claims description 2
- 239000003549 soybean oil Substances 0.000 claims description 2
- 235000012424 soybean oil Nutrition 0.000 claims description 2
- 239000002600 sunflower oil Substances 0.000 claims description 2
- 150000003512 tertiary amines Chemical class 0.000 claims description 2
- IBCPMUWCVAFONG-UHFFFAOYSA-N 2-methyl-1-(2-methylpropoxysulfanyloxy)propane Chemical group CC(C)COSOCC(C)C IBCPMUWCVAFONG-UHFFFAOYSA-N 0.000 claims 1
- VVKXLCBSWNDXIV-JTQLQIEISA-N bis(2-methylpropyl) (2s)-2-aminobutanedioate Chemical compound CC(C)COC(=O)C[C@H](N)C(=O)OCC(C)C VVKXLCBSWNDXIV-JTQLQIEISA-N 0.000 claims 1
- 239000003240 coconut oil Substances 0.000 claims 1
- 235000019864 coconut oil Nutrition 0.000 claims 1
- 235000019197 fats Nutrition 0.000 claims 1
- 235000015277 pork Nutrition 0.000 claims 1
- ULWHHBHJGPPBCO-UHFFFAOYSA-N propane-1,1-diol Chemical compound CCC(O)O ULWHHBHJGPPBCO-UHFFFAOYSA-N 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 description 32
- 239000010452 phosphate Substances 0.000 description 32
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 28
- 229910052757 nitrogen Inorganic materials 0.000 description 23
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 13
- DHMQDGOQFOQNFH-UHFFFAOYSA-N Glycine Chemical compound NCC(O)=O DHMQDGOQFOQNFH-UHFFFAOYSA-N 0.000 description 12
- 239000011593 sulfur Substances 0.000 description 12
- 229910052717 sulfur Inorganic materials 0.000 description 12
- 125000001931 aliphatic group Chemical group 0.000 description 11
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 10
- BAVYZALUXZFZLV-UHFFFAOYSA-N Methylamine Chemical compound NC BAVYZALUXZFZLV-UHFFFAOYSA-N 0.000 description 10
- 239000003963 antioxidant agent Substances 0.000 description 10
- 150000001412 amines Chemical class 0.000 description 9
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 9
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 230000002265 prevention Effects 0.000 description 7
- XDOFQFKRPWOURC-UHFFFAOYSA-N 16-methylheptadecanoic acid Chemical compound CC(C)CCCCCCCCCCCCCCC(O)=O XDOFQFKRPWOURC-UHFFFAOYSA-N 0.000 description 6
- 239000004471 Glycine Substances 0.000 description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- 229910052725 zinc Inorganic materials 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- 206010010904 Convulsion Diseases 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 5
- 244000068988 Glycine max Species 0.000 description 5
- 235000010469 Glycine max Nutrition 0.000 description 5
- 150000001735 carboxylic acids Chemical class 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 5
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 5
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 5
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 5
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 5
- 229910052698 phosphorus Inorganic materials 0.000 description 5
- 239000011574 phosphorus Substances 0.000 description 5
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 5
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 4
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 4
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 4
- 240000002791 Brassica napus Species 0.000 description 4
- 235000004977 Brassica sinapistrum Nutrition 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 239000005642 Oleic acid Substances 0.000 description 4
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 4
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 4
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
- 125000006231 alkoxy propyl group Chemical group 0.000 description 4
- 150000001408 amides Chemical class 0.000 description 4
- 239000002518 antifoaming agent Substances 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
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- NOPFSRXAKWQILS-UHFFFAOYSA-N docosan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCCCCCO NOPFSRXAKWQILS-UHFFFAOYSA-N 0.000 description 4
- 230000004927 fusion Effects 0.000 description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 4
- 239000003112 inhibitor Substances 0.000 description 4
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 4
- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 description 4
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 4
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 4
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- HVLLSGMXQDNUAL-UHFFFAOYSA-N triphenyl phosphite Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)OC1=CC=CC=C1 HVLLSGMXQDNUAL-UHFFFAOYSA-N 0.000 description 4
- 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 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 230000003078 antioxidant effect Effects 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 150000002430 hydrocarbons Chemical group 0.000 description 3
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 150000002763 monocarboxylic acids Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 3
- 150000003014 phosphoric acid esters Chemical class 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 3
- 150000005846 sugar alcohols Polymers 0.000 description 3
- 238000010998 test method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 2
- 125000006529 (C3-C6) alkyl group Chemical group 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- JPZYXGPCHFZBHO-UHFFFAOYSA-N 1-aminopentadecane Chemical compound CCCCCCCCCCCCCCCN JPZYXGPCHFZBHO-UHFFFAOYSA-N 0.000 description 2
- QHZLMUACJMDIAE-UHFFFAOYSA-N 1-monopalmitoylglycerol Chemical compound CCCCCCCCCCCCCCCC(=O)OCC(O)CO QHZLMUACJMDIAE-UHFFFAOYSA-N 0.000 description 2
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- LNETULKMXZVUST-UHFFFAOYSA-N 1-naphthoic acid Chemical compound C1=CC=C2C(C(=O)O)=CC=CC2=C1 LNETULKMXZVUST-UHFFFAOYSA-N 0.000 description 2
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 2
- WTHCRRXOPUNKAA-UHFFFAOYSA-N 16-methylheptadecan-1-amine Chemical compound CC(C)CCCCCCCCCCCCCCCN WTHCRRXOPUNKAA-UHFFFAOYSA-N 0.000 description 2
- WZUNUACWCJJERC-UHFFFAOYSA-N 2,2-bis(hydroxymethyl)butyl octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CC)(CO)CO WZUNUACWCJJERC-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
- 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 2
- CPHJEACXPATRSU-UHFFFAOYSA-N 2-[2-hydroxyethyl(tetradecyl)amino]ethanol Chemical compound CCCCCCCCCCCCCCN(CCO)CCO CPHJEACXPATRSU-UHFFFAOYSA-N 0.000 description 2
- BITAPBDLHJQAID-KTKRTIGZSA-N 2-[2-hydroxyethyl-[(z)-octadec-9-enyl]amino]ethanol Chemical compound CCCCCCCC\C=C/CCCCCCCCN(CCO)CCO BITAPBDLHJQAID-KTKRTIGZSA-N 0.000 description 2
- GJYCVCVHRSWLNY-UHFFFAOYSA-N 2-butylphenol Chemical compound CCCCC1=CC=CC=C1O GJYCVCVHRSWLNY-UHFFFAOYSA-N 0.000 description 2
- ONPJWQSDZCGSQM-UHFFFAOYSA-N 2-phenylprop-2-enoic acid Chemical compound OC(=O)C(=C)C1=CC=CC=C1 ONPJWQSDZCGSQM-UHFFFAOYSA-N 0.000 description 2
- NPRQLWMILWHEDI-UHFFFAOYSA-N 3-[bis(2-methylpropoxy)phosphinothioylsulfanyl]-2-methylpropanoic acid Chemical compound CC(C)COP(=S)(OCC(C)C)SCC(C)C(O)=O NPRQLWMILWHEDI-UHFFFAOYSA-N 0.000 description 2
- XMIIGOLPHOKFCH-UHFFFAOYSA-N 3-phenylpropionic acid Chemical compound OC(=O)CCC1=CC=CC=C1 XMIIGOLPHOKFCH-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- QRHDSDJIMDCCKE-UHFFFAOYSA-N 4-ethyl-2h-benzotriazole Chemical compound CCC1=CC=CC2=C1N=NN2 QRHDSDJIMDCCKE-UHFFFAOYSA-N 0.000 description 2
- IKHGUXGNUITLKF-UHFFFAOYSA-N Acetaldehyde Chemical compound CC=O IKHGUXGNUITLKF-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 244000060011 Cocos nucifera Species 0.000 description 2
- 235000013162 Cocos nucifera Nutrition 0.000 description 2
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 2
- 239000005069 Extreme pressure additive Substances 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
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- JKBYAWVSVVSRIX-UHFFFAOYSA-N octadecyl 2-(1-octadecoxy-1-oxopropan-2-yl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C(C)SC(C)C(=O)OCCCCCCCCCCCCCCCCCC JKBYAWVSVVSRIX-UHFFFAOYSA-N 0.000 description 1
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 1
- MAVABZCZTPTYNQ-UHFFFAOYSA-N octane-1,1,1-tricarboxylic acid Chemical compound CCCCCCCC(C(O)=O)(C(O)=O)C(O)=O MAVABZCZTPTYNQ-UHFFFAOYSA-N 0.000 description 1
- FIBARIGPBPUBHC-UHFFFAOYSA-N octyl 8-(3-octyloxiran-2-yl)octanoate Chemical compound CCCCCCCCOC(=O)CCCCCCCC1OC1CCCCCCCC FIBARIGPBPUBHC-UHFFFAOYSA-N 0.000 description 1
- 125000002347 octyl 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])[H] 0.000 description 1
- CBFCDTFDPHXCNY-UHFFFAOYSA-N octyldodecane Natural products CCCCCCCCCCCCCCCCCCCC CBFCDTFDPHXCNY-UHFFFAOYSA-N 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002888 oleic acid derivatives Chemical class 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- 125000001117 oleyl 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])=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])[H] 0.000 description 1
- 229940113162 oleylamide Drugs 0.000 description 1
- 125000000913 palmityl 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])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- DQHMTJSDCRBKNQ-UHFFFAOYSA-N pentadec-1-en-1-ol Chemical compound CCCCCCCCCCCCCC=CO DQHMTJSDCRBKNQ-UHFFFAOYSA-N 0.000 description 1
- 125000002958 pentadecyl 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])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 229940100684 pentylamine Drugs 0.000 description 1
- 239000010702 perfluoropolyether Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 150000008301 phosphite esters Chemical class 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
- SIOXPEMLGUPBBT-UHFFFAOYSA-N picolinic acid Chemical compound OC(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-N 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 229920001281 polyalkylene Polymers 0.000 description 1
- 150000008442 polyphenolic compounds Chemical class 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229940010310 propylene glycol dioleate Drugs 0.000 description 1
- 229940026235 propylene glycol monolaurate Drugs 0.000 description 1
- 229940093625 propylene glycol monostearate Drugs 0.000 description 1
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical class CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 1
- KIDHWZJUCRJVML-UHFFFAOYSA-N putrescine Chemical class NCCCCN KIDHWZJUCRJVML-UHFFFAOYSA-N 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical group O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- NNNVXFKZMRGJPM-KHPPLWFESA-N sapienic acid Chemical compound CCCCCCCCC\C=C/CCCCC(O)=O NNNVXFKZMRGJPM-KHPPLWFESA-N 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical group [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- QZZGJDVWLFXDLK-UHFFFAOYSA-N tetracosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC(O)=O QZZGJDVWLFXDLK-UHFFFAOYSA-N 0.000 description 1
- GXBLITCOLKGJDG-UHFFFAOYSA-N tetradec-13-en-1-ol Chemical compound OCCCCCCCCCCCCC=C GXBLITCOLKGJDG-UHFFFAOYSA-N 0.000 description 1
- IBYFOBGPNPINBU-UHFFFAOYSA-N tetradecenoic acid Natural products CCCCCCCCCCCC=CC(O)=O IBYFOBGPNPINBU-UHFFFAOYSA-N 0.000 description 1
- LVEOKSIILWWVEO-UHFFFAOYSA-N tetradecyl 3-(3-oxo-3-tetradecoxypropyl)sulfanylpropanoate Chemical compound CCCCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCCCC LVEOKSIILWWVEO-UHFFFAOYSA-N 0.000 description 1
- KRIXEEBVZRZHOS-UHFFFAOYSA-N tetradecyl dihydrogen phosphate Chemical compound CCCCCCCCCCCCCCOP(O)(O)=O KRIXEEBVZRZHOS-UHFFFAOYSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- QERYCTSHXKAMIS-UHFFFAOYSA-N thiophene-2-carboxylic acid Chemical compound OC(=O)C1=CC=CS1 QERYCTSHXKAMIS-UHFFFAOYSA-N 0.000 description 1
- 150000003580 thiophosphoric acid esters Chemical class 0.000 description 1
- WXBXVVIUZANZAU-CMDGGOBGSA-N trans-2-decenoic acid Chemical compound CCCCCCC\C=C\C(O)=O WXBXVVIUZANZAU-CMDGGOBGSA-N 0.000 description 1
- HSBSUGYTMJWPAX-HNQUOIGGSA-N trans-2-hexenedioic acid Chemical compound OC(=O)CC\C=C\C(O)=O HSBSUGYTMJWPAX-HNQUOIGGSA-N 0.000 description 1
- HOGWBMWOBRRKCD-BUHFOSPRSA-N trans-2-pentadecenoic acid Chemical compound CCCCCCCCCCCC\C=C\C(O)=O HOGWBMWOBRRKCD-BUHFOSPRSA-N 0.000 description 1
- IBYFOBGPNPINBU-OUKQBFOZSA-N trans-2-tetradecenoic acid Chemical compound CCCCCCCCCCC\C=C\C(O)=O IBYFOBGPNPINBU-OUKQBFOZSA-N 0.000 description 1
- HSBSUGYTMJWPAX-UHFFFAOYSA-N trans-Deltaalpha-Dihydromuconsaeure Natural products OC(=O)CCC=CC(O)=O HSBSUGYTMJWPAX-UHFFFAOYSA-N 0.000 description 1
- LKOVPWSSZFDYPG-WUKNDPDISA-N trans-octadec-2-enoic acid Chemical compound CCCCCCCCCCCCCCC\C=C\C(O)=O LKOVPWSSZFDYPG-WUKNDPDISA-N 0.000 description 1
- 150000003852 triazoles Chemical class 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- XTTGYFREQJCEML-UHFFFAOYSA-N tributyl phosphite Chemical compound CCCCOP(OCCCC)OCCCC XTTGYFREQJCEML-UHFFFAOYSA-N 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 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
- GAJQCIFYLSXSEZ-UHFFFAOYSA-L tridecyl phosphate Chemical compound CCCCCCCCCCCCCOP([O-])([O-])=O GAJQCIFYLSXSEZ-UHFFFAOYSA-L 0.000 description 1
- OHRVKCZTBPSUIK-UHFFFAOYSA-N tridodecyl phosphate Chemical compound CCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCC)OCCCCCCCCCCCC OHRVKCZTBPSUIK-UHFFFAOYSA-N 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- ZATMWXRIJNLIBA-UHFFFAOYSA-N triheptadecyl phosphate Chemical compound CCCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCC ZATMWXRIJNLIBA-UHFFFAOYSA-N 0.000 description 1
- GSURLQOINUQIIH-UHFFFAOYSA-N triheptyl phosphate Chemical compound CCCCCCCOP(=O)(OCCCCCCC)OCCCCCCC GSURLQOINUQIIH-UHFFFAOYSA-N 0.000 description 1
- PPBMHSGZZYZYBO-UHFFFAOYSA-N triheptyl phosphite Chemical compound CCCCCCCOP(OCCCCCCC)OCCCCCCC PPBMHSGZZYZYBO-UHFFFAOYSA-N 0.000 description 1
- KENFVQBKAYNBKN-UHFFFAOYSA-N trihexadecyl phosphate Chemical compound CCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCC KENFVQBKAYNBKN-UHFFFAOYSA-N 0.000 description 1
- SFENPMLASUEABX-UHFFFAOYSA-N trihexyl phosphate Chemical compound CCCCCCOP(=O)(OCCCCCC)OCCCCCC SFENPMLASUEABX-UHFFFAOYSA-N 0.000 description 1
- ZOPCDOGRWDSSDQ-UHFFFAOYSA-N trinonyl phosphate Chemical compound CCCCCCCCCOP(=O)(OCCCCCCCCC)OCCCCCCCCC ZOPCDOGRWDSSDQ-UHFFFAOYSA-N 0.000 description 1
- QUTZUATVZPXUJR-UHFFFAOYSA-N trinonyl phosphite Chemical compound CCCCCCCCCOP(OCCCCCCCCC)OCCCCCCCCC QUTZUATVZPXUJR-UHFFFAOYSA-N 0.000 description 1
- FDGZUBKNYGBWHI-UHFFFAOYSA-N trioctadecyl phosphate Chemical compound CCCCCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC FDGZUBKNYGBWHI-UHFFFAOYSA-N 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- QOQNJVLFFRMJTQ-UHFFFAOYSA-N trioctyl phosphite Chemical compound CCCCCCCCOP(OCCCCCCCC)OCCCCCCCC QOQNJVLFFRMJTQ-UHFFFAOYSA-N 0.000 description 1
- OEOJDBBVRPAIDK-UHFFFAOYSA-N tripentadecyl phosphate Chemical compound CCCCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCC OEOJDBBVRPAIDK-UHFFFAOYSA-N 0.000 description 1
- QJAVUVZBMMXBRO-UHFFFAOYSA-N tripentyl phosphate Chemical compound CCCCCOP(=O)(OCCCCC)OCCCCC QJAVUVZBMMXBRO-UHFFFAOYSA-N 0.000 description 1
- CVWUIWZKLYGDNJ-UHFFFAOYSA-N tripentyl phosphite Chemical compound CCCCCOP(OCCCCC)OCCCCC CVWUIWZKLYGDNJ-UHFFFAOYSA-N 0.000 description 1
- IKXFIBBKEARMLL-UHFFFAOYSA-N triphenoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=S)OC1=CC=CC=C1 IKXFIBBKEARMLL-UHFFFAOYSA-N 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- KOWVWXQNQNCRRS-UHFFFAOYSA-N tris(2,4-dimethylphenyl) phosphate Chemical compound CC1=CC(C)=CC=C1OP(=O)(OC=1C(=CC(C)=CC=1)C)OC1=CC=C(C)C=C1C KOWVWXQNQNCRRS-UHFFFAOYSA-N 0.000 description 1
- LIPMRGQQBZJCTM-UHFFFAOYSA-N tris(2-propan-2-ylphenyl) phosphate Chemical compound CC(C)C1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C(C)C)OC1=CC=CC=C1C(C)C LIPMRGQQBZJCTM-UHFFFAOYSA-N 0.000 description 1
- JZNDMMGBXUYFNQ-UHFFFAOYSA-N tris(dodecylsulfanyl)phosphane Chemical compound CCCCCCCCCCCCSP(SCCCCCCCCCCCC)SCCCCCCCCCCCC JZNDMMGBXUYFNQ-UHFFFAOYSA-N 0.000 description 1
- XHGIFBQQEGRTPB-UHFFFAOYSA-N tris(prop-2-enyl) phosphate Chemical compound C=CCOP(=O)(OCC=C)OCC=C XHGIFBQQEGRTPB-UHFFFAOYSA-N 0.000 description 1
- SVETUDAIEHYIKZ-IUPFWZBJSA-N tris[(z)-octadec-9-enyl] phosphate Chemical compound CCCCCCCC\C=C/CCCCCCCCOP(=O)(OCCCCCCCC\C=C/CCCCCCCC)OCCCCCCCC\C=C/CCCCCCCC SVETUDAIEHYIKZ-IUPFWZBJSA-N 0.000 description 1
- XEQUZHYCHCGTJX-UHFFFAOYSA-N tritridecyl phosphate Chemical compound CCCCCCCCCCCCCOP(=O)(OCCCCCCCCCCCCC)OCCCCCCCCCCCCC XEQUZHYCHCGTJX-UHFFFAOYSA-N 0.000 description 1
- SUZOHRHSQCIJDK-UHFFFAOYSA-N triundecyl phosphate Chemical compound CCCCCCCCCCCOP(=O)(OCCCCCCCCCCC)OCCCCCCCCCCC SUZOHRHSQCIJDK-UHFFFAOYSA-N 0.000 description 1
- KJIOQYGWTQBHNH-UHFFFAOYSA-N undecanol Chemical compound CCCCCCCCCCCO KJIOQYGWTQBHNH-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
- WAILXPVSJYWOEV-UHFFFAOYSA-L zinc;(2,3-didodecylphenyl)sulfanyl-dioxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCCCCCCCC1=CC=CC(SP([O-])([O-])=S)=C1CCCCCCCCCCCC WAILXPVSJYWOEV-UHFFFAOYSA-L 0.000 description 1
- ZNCAMSISVWKWHL-UHFFFAOYSA-L zinc;butoxy-butylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCOP([O-])(=S)SCCCC.CCCCOP([O-])(=S)SCCCC ZNCAMSISVWKWHL-UHFFFAOYSA-L 0.000 description 1
- ZBDJNBFTEIUHPK-UHFFFAOYSA-L zinc;dihexoxy-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCOP([S-])(=S)OCCCCCC.CCCCCCOP([S-])(=S)OCCCCCC ZBDJNBFTEIUHPK-UHFFFAOYSA-L 0.000 description 1
- AEXHGRVJDVETQU-UHFFFAOYSA-L zinc;nonylsulfanyl-dioxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCCCCSP([O-])([O-])=S AEXHGRVJDVETQU-UHFFFAOYSA-L 0.000 description 1
- GBEDXBRGRSPHRI-UHFFFAOYSA-L zinc;octoxy-octylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCCCOP([O-])(=S)SCCCCCCCC.CCCCCCCCOP([O-])(=S)SCCCCCCCC GBEDXBRGRSPHRI-UHFFFAOYSA-L 0.000 description 1
- HHMFJIHYTYQNJP-UHFFFAOYSA-L zinc;oxido-pentoxy-pentylsulfanyl-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCOP([O-])(=S)SCCCCC.CCCCCOP([O-])(=S)SCCCCC HHMFJIHYTYQNJP-UHFFFAOYSA-L 0.000 description 1
- LZVDFWITYZHIEU-UHFFFAOYSA-L zinc;oxido-propoxy-propylsulfanyl-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCOP([O-])(=S)SCCC.CCCOP([O-])(=S)SCCC LZVDFWITYZHIEU-UHFFFAOYSA-L 0.000 description 1
- 239000004711 α-olefin Substances 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
- 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
- C10M141/10—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 phosphorus-containing compound
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
-
- 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/17—Fisher Tropsch reaction products
- C10M2205/173—Fisher Tropsch reaction products used as base material
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/10—Carboxylix acids; Neutral salts thereof
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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Description
本発明は、潤滑油組成物に関し、その中でも精製度の高い基油を用いた工業用の潤滑油全般に関し、特に機械油、油圧作動油、タービン油、コンプレッサー油、歯車油、擦動面油、軸受油、キャリブレーション油として使用する潤滑油組成物に関する。 The present invention relates to a lubricating oil composition, and in particular to industrial lubricating oils using highly refined base oils, in particular, machine oils, hydraulic hydraulic oils, turbine oils, compressor oils, gear oils, friction surface oils. The present invention relates to a lubricating oil composition used as a bearing oil or calibration oil.
機械設備に使用する潤滑油には、その性能を維持するために本質的に防錆性が必要とされている。これは、機械装置におけるタンク内の潤滑油温度は使用条件により上下し、そのためタンク内の潤滑油には凝縮水が混入することがあること、また冷却水配管からの漏水により水分が混入することがあること、等によるものである。 In order to maintain the performance of the lubricating oil used in machinery and equipment, rust prevention is essential. This is because the temperature of the lubricating oil in the tank in the machine device fluctuates depending on the usage conditions, so that condensed water may be mixed in the lubricating oil in the tank, and water may be mixed in due to water leakage from the cooling water piping. This is due to the fact that
また近年、機械装置の高速化、高荷重、高効率化により、潤滑油膜の破断により摩擦面の焼付きが発生するリスクが高くなっている。こうした過酷な条件で使用される潤滑油には、摩擦面間の凝着を防止する目的で、摩擦面で金属表面と反応して極圧性を維持する極圧剤が添加される。しかし金属表面において防錆剤が極圧剤の効果を阻害することが知られている。
そして、上記の如き防錆効果を得るために潤滑油組成物中に、N−アシル−N−ヒドロカーボンオキシアルキルアスパラギン酸エステルを配合することや(特許文献1)、極圧剤としてβ−ジチオホスホリルプロピオン酸を使用することが知られている(特許文献2)。
And in order to acquire the above rust preventive effects, N-acyl-N-hydrocarbonoxyalkyl aspartic acid ester may be mix | blended in a lubricating oil composition (patent document 1), and beta-dithio as an extreme pressure agent. It is known to use phosphorylpropionic acid (Patent Document 2).
本発明は、優れた防錆性を有すると共に、優れた極圧性を有する工業油潤滑油を得るものである。 The present invention provides an industrial oil lubricant having excellent rust resistance and excellent extreme pressure.
本発明は、鉱油系基油や合成油基油に、添加剤としてアスパラギン酸誘導体、コハク酸誘導体及びチオリン酸エステルを含有させて潤滑油組成物とするものである。
基油に添加剤としてアスパラギン酸誘導体と共にコハク酸誘導体を組み合わせて用いると、優れた防錆性を獲得することができ、しかもその添加量を大幅に低減しても優れた防錆性能が得られる。また、アスパラギン酸誘導体及びコハク酸誘導体を併用すれば、それらの添加量を大幅に減少させても極圧剤として使用するチオリン酸エステルの極圧性能をより一層効率よく発揮させることが出来るようになり、優れた防錆性と優れた極圧性を有する潤滑油組成物が得られる。更に、アミン化合物、アミド化合物、エステル化合物などを添加した潤滑油組成物も良好な防錆性と極圧性を有するものとなる。
The present invention comprises a mineral oil base oil or a synthetic oil base oil containing an aspartic acid derivative, a succinic acid derivative and a thiophosphoric acid ester as additives to form a lubricating oil composition.
When a succinic acid derivative is used in combination with an aspartic acid derivative as an additive in a base oil, excellent rust prevention properties can be obtained, and excellent rust prevention performance can be obtained even if the amount added is greatly reduced. . In addition, if an aspartic acid derivative and a succinic acid derivative are used in combination, the extreme pressure performance of the thiophosphate used as an extreme pressure agent can be exhibited more efficiently even if the amount of addition is greatly reduced. Thus, a lubricating oil composition having excellent rust resistance and excellent extreme pressure can be obtained. Furthermore, a lubricating oil composition to which an amine compound, an amide compound, an ester compound or the like is added also has good rust prevention properties and extreme pressure properties.
本発明によれば、錆の発生を効率的に抑制し、極圧性に優れた潤滑油組成物を得ることができる。これにより産業機械の高速化、高圧化、コンパクト化、耐久性の向上に対応し、良好な防錆性を維持しつつ極圧性も優れた潤滑油組成物を提供することができる。
また、本発明によって防錆剤の添加量を大幅に低減しつつ、同時に極圧性能の優れた潤滑油組成物を経済的に提供することができる。こうした潤滑油組成物は、工業用の潤滑油全般に広く用いることができるが、その中でも精製度の高い基油を用いた潤滑油で、特に機械油、油圧作動油、タービン油、コンプレッサー油、歯車油、擦動面油、軸受油、キャリブレーション油として有効に使用することができる。
According to the present invention, it is possible to efficiently suppress the generation of rust and obtain a lubricating oil composition excellent in extreme pressure properties. Accordingly, it is possible to provide a lubricating oil composition that is excellent in extreme pressure properties while maintaining good rust prevention properties, corresponding to the increase in speed, pressure, compactness, and durability of industrial machinery.
In addition, the present invention can economically provide a lubricating oil composition having excellent extreme pressure performance while greatly reducing the amount of the rust inhibitor added. Such a lubricating oil composition can be widely used in general industrial lubricating oils. Among them, lubricating oils using highly refined base oils, especially machine oils, hydraulic fluids, turbine oils, compressor oils, It can be used effectively as gear oil, friction surface oil, bearing oil and calibration oil.
本潤滑油組成物の基油には、高度精製基油と呼ばれる鉱油、合成油を使用することができ、特に、API(American Petroleum Institute,米国石油協会)基油カテゴリーでグループ1、グループ2、グループ3、グループ4などに属する基油を、単独または混合物として使用することができる。ここで使用する基油は、硫黄元素分が700ppm未満、好ましくは500ppm未満が良い。また密度は0.8〜0.9が良い。アロマ分は5%以下、好ましくは3%以下が良い。 As the base oil of this lubricating oil composition, mineral oils and synthetic oils called highly refined base oils can be used. Particularly, in the API (American Petroleum Institute, American Petroleum Institute) base oil category, Group 1, Group 2, Base oils belonging to Group 3, Group 4, etc. can be used alone or as a mixture. The base oil used here has a sulfur element content of less than 700 ppm, preferably less than 500 ppm. The density is preferably 0.8 to 0.9. The aroma content is 5% or less, preferably 3% or less.
グループ1基油には、例えば、原油を常圧蒸留して得られる潤滑油留分に対して、溶剤精製、水素化精製、脱ろうなどの精製手段を適宜組み合わせて適用することにより得られるパラフィン系鉱油がある。粘度指数は80〜120、好ましくは95〜110が良い。40℃における動粘度は、好ましくは2〜680mm2/s、より好ましくは8〜220mm2/sである。また全硫黄分は700ppm未満、好ましくは500ppm未満が良い。全窒素分も50ppm未満、好ましくは25ppm未満が良い。さらにアニリン点は80〜150℃、好ましくは90〜120℃のものを使用するのが良い。 For Group 1 base oils, for example, paraffin obtained by applying a suitable combination of solvent refining, hydrotreating, dewaxing, etc., to a lubricating oil fraction obtained by atmospheric distillation of crude oil There are mineral oils. The viscosity index is 80 to 120, preferably 95 to 110. The kinematic viscosity at 40 ° C. is preferably 2 to 680 mm 2 / s, more preferably 8 to 220 mm 2 / s. The total sulfur content is less than 700 ppm, preferably less than 500 ppm. The total nitrogen content is also less than 50 ppm, preferably less than 25 ppm. Further, an aniline point of 80 to 150 ° C., preferably 90 to 120 ° C. is used.
グループ2基油には、例えば、原油を常圧蒸留して得られる潤滑油留分に対して、水素化分解、脱ろうなどの精製手段を適宜組み合わせて適用することにより得られたパラフィン系鉱油がある。ガルフ社法などの水素化精製法により精製されたグループ2基油は、全イオウ分が10ppm未満、アロマ分が5%以下であり、本発明に好適である。これらの基油の粘度は特に制限されないが、粘度指数は80〜120、好ましくは100〜120が良い。40℃における動粘度は、好ましくは2〜680mm2/s、より好ましくは8〜220mm2/sである。また全硫黄分は300ppm未満、好ましくは200ppm未満、更に好ましくは10ppm未満が良い。全窒素分も10ppm未満、好ましくは1ppm未満が良い。さらにアニリン点は80〜150℃、好ましくは100〜135℃のものを使用するのが良い。 For Group 2 base oils, for example, paraffinic mineral oil obtained by appropriately combining refining means such as hydrocracking and dewaxing for lubricating oil fractions obtained by atmospheric distillation of crude oil There is. Group 2 base oils refined by hydrorefining methods such as the Gulf Company method have a total sulfur content of less than 10 ppm and an aroma content of 5% or less, which is suitable for the present invention. The viscosity of these base oils is not particularly limited, but the viscosity index is 80 to 120, preferably 100 to 120. The kinematic viscosity at 40 ° C. is preferably 2 to 680 mm 2 / s, more preferably 8 to 220 mm 2 / s. The total sulfur content is less than 300 ppm, preferably less than 200 ppm, more preferably less than 10 ppm. The total nitrogen content is also less than 10 ppm, preferably less than 1 ppm. Further, an aniline point of 80 to 150 ° C., preferably 100 to 135 ° C. may be used.
グループ3基油及びグループ2プラス基油には、例えば、原油を常圧蒸留して得られる潤滑油留分に対して高度水素化精製により製造されるパラフィン系鉱油や、脱ろうプロセスにて生成されるワックスをイソパラフィンに変換・脱ろうするISODEWAXプロセスにより精製された基油や、モービルWAX異性化プロセスにより精製された基油も好適である。アメリカの広告審議を担当するNAD(National Advertising Division)の評決により「合成油」として表記が可能なものを含む。 これらの基油の粘度は特に制限されないが、粘度指数は95〜145、好ましくは100〜140が良い。40℃における動粘度は、好ましくは2〜680mm2/s、より好ましくは8〜220mm2/sである。また全硫黄分は、0〜100ppm、好ましくは10ppm未満が良い。全窒素分も10ppm未満、好ましくは1ppm未満が良い。さらにアニリン点は80〜150℃、好ましくは110〜135℃のものを使用するのが良い。 Group 3 base oils and Group 2 plus base oils are produced, for example, by paraffinic mineral oils produced by advanced hydrorefining of lubricating oil fractions obtained by atmospheric distillation of crude oil or by dewaxing processes. Also suitable are base oils refined by the ISODEWAX process for converting and dewaxing the wax to be converted to isoparaffin, and base oils refined by the mobile WAX isomerization process. Including those that can be described as “synthetic oil” by the verdict of NAD (National Advertising Division) in charge of advertising in the United States. The viscosity of these base oils is not particularly limited, but the viscosity index is 95 to 145, preferably 100 to 140. The kinematic viscosity at 40 ° C. is preferably 2 to 680 mm 2 / s, more preferably 8 to 220 mm 2 / s. The total sulfur content is 0 to 100 ppm, preferably less than 10 ppm. The total nitrogen content is also less than 10 ppm, preferably less than 1 ppm. Further, an aniline point of 80 to 150 ° C., preferably 110 to 135 ° C. is used.
天然ガスの液体燃料化技術のフィッシャートロプッシュ法により合成されたGTL(ガストゥリキッド)は、原油から精製された鉱油基油と比較して、硫黄分や芳香族分が極めて低く、パラフィン構成比率が極めて高いため、酸化安定性に優れ、蒸発損失も非常に小さいため、本発明の基油として好適である。GTL基油の粘度性状は特に制限されないが、通例粘度指数は130〜180、より好ましくは140〜175である。また40℃における動粘度は、2〜680mm2/s、より好ましくは5〜120mm2/sである。また通例全硫黄分は10ppm未満、全窒素分1ppm未満である。そのようなGTL基油商品の一例として、SHELL XHVI(登録商標)がある。 GTL (Gas Liquid) synthesized by the Fischer-Tropsch method, which is a natural gas liquid fuel technology, has an extremely low sulfur content and aromatic content compared to mineral oil base oil refined from crude oil. Is extremely high, so that it has excellent oxidation stability and very low evaporation loss, and is therefore suitable as the base oil of the present invention. The viscosity property of the GTL base oil is not particularly limited, but usually the viscosity index is 130 to 180, more preferably 140 to 175. Moreover, kinematic viscosity in 40 degreeC is 2-680 mm < 2 > / s, More preferably, it is 5-120 mm < 2 > / s. In general, the total sulfur content is less than 10 ppm and the total nitrogen content is less than 1 ppm. An example of such a GTL base oil product is SHELL XHVI®.
また合成油としては、例えば、ポリオレフィン、アルキルベンゼン、アルキルナフタレン、エステル、ポリオキシアルキレングリコール、ポリフェニルエーテル、ジアルキルジフェニルエーテル、含フッ素化合物(パーフルオロポリエーテル、フッ素化ポリオレフィン等)、シリコーン油などが挙げられる。 Examples of the synthetic oil include polyolefin, alkylbenzene, alkylnaphthalene, ester, polyoxyalkylene glycol, polyphenyl ether, dialkyldiphenyl ether, fluorine-containing compounds (perfluoropolyether, fluorinated polyolefin, etc.), silicone oil, and the like. .
上記ポリオレフィンには、各種オレフィンの重合物又はこれらの水素化物が含まれる。オレフィンとしては任意のものが用いられるが、例えば、エチレン、プロピレン、ブテン、炭素数5以上のα−オレフィンなどが挙げられる。ポリオレフィンの製造にあたっては、上記オレフィンの1種を単独で用いても良く、2種以上を組み合わせて用いても良い。特にポリαオレフィン(PAO)と呼ばれているポリオレフィンが好適であり、これはグループ4基油である。これら合成基油の粘度は特に制限されないが、40℃における動粘度は、好ましくは2〜680mm2/s、より好ましくは8〜220mm2/sである。 The polyolefin includes polymers of various olefins or hydrides thereof. Any olefin may be used, and examples thereof include ethylene, propylene, butene, and α-olefins having 5 or more carbon atoms. In the production of polyolefin, one of the above olefins may be used alone, or two or more may be used in combination. Particularly preferred are polyolefins called polyalphaolefins (PAO), which are Group 4 base oils. The viscosity of these synthetic base oils is not particularly limited, but the kinematic viscosity at 40 ° C. is preferably 2 to 680 mm 2 / s, more preferably 8 to 220 mm 2 / s.
本発明の潤滑油組成物における上記基油の含有量は特に制限されないが、潤滑油組成物の全量基準で60質量%以上、好ましくは80質量%以上、より好ましくは90質量%以上、更に好ましくは95質量%以上である。 The content of the base oil in the lubricating oil composition of the present invention is not particularly limited, but is 60% by mass or more, preferably 80% by mass or more, more preferably 90% by mass or more, and still more preferably based on the total amount of the lubricating oil composition. Is 95% by mass or more.
上記アスパラギン酸誘導体は、下記一般式1に示すものである。
上記一般式1中、X1及びX2は各々水素又は炭素数3〜6の同一または異なったアルキル基、アルケニル基、若しくはヒドロキシアルキル基であり、好ましくはそれぞれが2−メチルプロピル基やターシャリーブチル基が良い。X3は炭素数1〜30のアルキル基若しくはアルケニル基、エーテル結合を有するアルキル基、またはヒドロキシアルキル基である。例えば、オクタデシル基、アルコキシプロピル基、3−(C6〜C18)ヒドロカーボンオキシ(C3〜C6)アルキル基、更に好ましくは、シクロヘキシルオキシプロピル基、3−オクチルオキシプロピル基、3−イソオクチルオキシプロピル基、3−デシルオキシプロピル基、3−イソデシルオキシプロピル基、3−(C12〜C16)アルコキシプロピル基が良い。X4は炭素数1〜30の飽和若しくは不飽和カルボン酸基、または炭素数1〜30のアルキル基、アルケニル基若しくはヒドロキシアルキル基である。例えばプロピオン酸基や、プロピオニル酸基が良い。 In the general formula 1, X 1 and X 2 are each hydrogen or the same or different alkyl group, alkenyl group, or hydroxyalkyl group having 3 to 6 carbon atoms, preferably each of 2-methylpropyl group and tertiary Butyl group is good. X 3 is an alkyl group or alkenyl group having 1 to 30 carbon atoms, an alkyl group having an ether bond, or a hydroxyalkyl group. For example, an octadecyl group, an alkoxypropyl group, a 3- (C 6 -C 18 ) hydrocarbonoxy (C 3 -C 6 ) alkyl group, more preferably a cyclohexyloxypropyl group, a 3-octyloxypropyl group, 3-iso An octyloxypropyl group, a 3-decyloxypropyl group, a 3-isodecyloxypropyl group, and a 3- (C 12 -C 16 ) alkoxypropyl group are preferable. X 4 is a saturated or unsaturated carboxylic acid group having 1 to 30 carbon atoms, or an alkyl group, alkenyl group or hydroxyalkyl group having 1 to 30 carbon atoms. For example, a propionic acid group or a propionyl acid group is preferable.
上記アスパラギン酸誘導体は、JIS K2501で定める酸価が10〜200mgKOH/gのもの、好ましくは50〜150mgKOH/gのものが良い。アスパラギン酸誘導体は、潤滑油組成物中に約0.001〜0.5質量%程度、好ましくは約0.001〜0.1質量%程度、より好ましくは約0.005〜0.05質量%程度で用いられる。このアスパラギン酸誘導体は、1種で又は数種を混ぜて使用することができる。 The aspartic acid derivative has an acid value defined by JIS K2501 of 10 to 200 mgKOH / g, preferably 50 to 150 mgKOH / g. The aspartic acid derivative is about 0.001 to 0.5% by mass, preferably about 0.001 to 0.1% by mass, more preferably about 0.005 to 0.05% by mass in the lubricating oil composition. Used in degree. These aspartic acid derivatives can be used singly or in combination.
コハク酸誘導体は、下記の一般式2に示すものである。
上記一般式2中、X5及びX6は各々水素又は炭素数3〜6の同一または異なったアルキル基、アルケニル基、若しくはヒドロキシアルキル基であり、好ましくは、水素原子、1−ヒドロキシプロピル基、2−ヒドロキシプロピル基、2−メチルプロピル基、ターシャリーブチル基が良い。X7は炭素数1〜30のアルキル基若しくはアルケニル基、エーテル結合を有するアルキル基、またはヒドロキシアルキル基である。例えば、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘキシル基、ヘプチル基、オクチル基、2−エチルヘキシル基、ノニル基、デシル基、ウンデシル基、ドデシル基、ドデシレン基、トリデシル基、テトラデシル基、テトラデシレン基、ペンタデシル基、ヘキサデシル基、ヘプタデシル基、オクタデシル基、オクタデシレン基、エイコシル基、ドコシル基、アルコキシプロピル基、3−(C6〜C18)ヒドロカーボンオキシ(C3〜C6)アルキル基、アルコキシプロピル基、3−(C6〜C18)ヒドロカーボンオキシ(C3〜C6)アルキル基、更に好ましくは、テトライソプロピル基、オレイル基、シクロヘキシルオキシプロピル基、3−オクチルオキシプロピル基、3−イソオクチルオキシプロピル基、3−デシルオキシプロピル基、3−イソデシルオキシプロピル基、3−(C12〜C16)アルコキシプロピル基が良い。 In General Formula 2, X 5 and X 6 are each hydrogen or the same or different alkyl group, alkenyl group, or hydroxyalkyl group having 3 to 6 carbon atoms, preferably a hydrogen atom, 1-hydroxypropyl group, A 2-hydroxypropyl group, a 2-methylpropyl group, and a tertiary butyl group are preferable. X 7 is an alkyl group or alkenyl group having 1 to 30 carbon atoms, an alkyl group having an ether bond, or a hydroxyalkyl group. For example, methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, 2-ethylhexyl, nonyl, decyl, undecyl, dodecyl, dodecylene, tridecyl, tetradecyl group, tetradecylene, pentadecyl, hexadecyl, heptadecyl, octadecyl, octadecylene, eicosyl group, docosyl group, an alkoxycarbonyl propyl, 3- (C 6 ~C 18) hydrocarbonoxy (C 3 ~C 6) alkyl Group, alkoxypropyl group, 3- (C 6 -C 18) hydrocarbonoxy (C 3 -C 6 ) alkyl group, more preferably tetraisopropyl group, oleyl group, cyclohexyloxypropyl group, 3-octyloxypropyl group, 3-isooctyloxypropyl group 3-decyloxy-propyl, 3-isodecyloxypropylamine group, 3- (C 12 ~C 16) alkoxypropyl group is not good.
上記コハク酸誘導体は、JIS K2501で定める酸価が10〜300mgKOH/gのもの、好ましくは30〜200mgKOH/gのものが良い。コハク酸誘導体は、潤滑油組成物中に約0.001〜0.5質量%程度、好ましくは約0.001〜0.1質量%程度、より好ましくは約0.005〜0.05質量%程度で用いられる。このコハク酸誘導体は、1種で又は数種を混ぜて使用することができる。 The succinic acid derivative has an acid value defined by JIS K2501 of 10 to 300 mgKOH / g, preferably 30 to 200 mgKOH / g. The succinic acid derivative is about 0.001 to 0.5% by mass in the lubricating oil composition, preferably about 0.001 to 0.1% by mass, more preferably about 0.005 to 0.05% by mass. Used in degree. This succinic acid derivative can be used alone or in combination.
本発明には、チオリン酸エステル化合物を配合することができる。チオリン酸エステル化合物として、下記の一般式(3)及び一般式(4)に示すチオリン酸エステルが挙げられる。
上記一般式(3)中、X8及びX9は同一でも異なっていても良く、それぞれ水素原子又は炭素数1〜30の炭化水素基を示し、アルキル基、アルケニル基、アリール基、アルキルアリール基、アリールアルキル基等が挙げられる。X10は炭素数1〜20のアルキレン基を示し、X11は水素原子又は炭素数1〜30の炭化水素基を示す。上記ホスホリル化カルボン酸の中でも、β−ジチオホスホリル化カルボン酸誘導体が挙げられる。
X11が水素原子であるこのβ−ジチオホスホリル化カルボン酸としては、具体的に、3−(ジ−イソブトキシ−チオホスホリルスルファニル)−2−メチル−プロピオン酸などが挙げられる。また、X11がエチル基であるβ−ジチオホスホリルカルボン酸エステルとして、エチル−3−[[ビス(1−メチルエトキシ)フォスフィノチオイル]チオ]プロピオネートなどが挙げられる。
In the general formula (3), X 8 and X 9 may be the same or different and each represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms, an alkyl group, an alkenyl group, an aryl group, an alkylaryl group And arylalkyl groups. X 10 represents an alkylene group having 1 to 20 carbon atoms, and X 11 represents a hydrogen atom or a hydrocarbon group having 1 to 30 carbon atoms. Among the phosphorylated carboxylic acids, mention may be made of β-dithiophosphorylated carboxylic acid derivatives.
Specific examples of the β-dithiophosphorylated carboxylic acid in which X 11 is a hydrogen atom include 3- (di-isobutoxy-thiophosphorylsulfanyl) -2-methyl-propionic acid. Examples of the β-dithiophosphorylcarboxylic acid ester in which X 11 is an ethyl group include ethyl-3-[[bis (1-methylethoxy) phosphinothioyl] thio] propionate.
本潤滑油組成物におけるチオリン酸エステル化合物の含有量は、特に制限されるものではないが、組成物中に、好ましくは約0.001〜1質量%程度、より好ましくは約0.002〜0.5質量%程度である。チオリン酸エステル化合物の含有量が前記下限値未満では十分な潤滑性が得られない傾向にある。一方、前記上限値を超えて加えても含有量に見合う潤滑性向上効果が得られない傾向にあり、更には熱・酸化安定性や加水分解安定性が低下するおそれがある。このチオリン酸エステル化合物は、1種又は数種を混ぜて使用することができる。 The content of the thiophosphate compound in the lubricating oil composition is not particularly limited, but is preferably about 0.001 to 1% by mass, more preferably about 0.002 to 0 in the composition. About 5% by mass. If the content of the thiophosphate compound is less than the lower limit, sufficient lubricity tends not to be obtained. On the other hand, even if it is added in excess of the above upper limit value, there is a tendency that the effect of improving lubricity commensurate with the content cannot be obtained, and furthermore, there is a possibility that the heat / oxidation stability and the hydrolysis stability are lowered. This thiophosphate compound can be used alone or in combination.
この潤滑油組成物中には、アミン化合物を配合することができる。こうしたアミン化合物としては脂肪族アミン化合物を用いることができ、一般式(5)に示される一級アミン、一般式(6)に示される二級アミン、一般式(7)に示される三級アミン、および一般式(8)に示されるジアミンが挙げられる An amine compound can be blended in the lubricating oil composition. As such an amine compound, an aliphatic amine compound can be used. A primary amine represented by the general formula (5), a secondary amine represented by the general formula (6), a tertiary amine represented by the general formula (7), And diamines represented by the general formula (8)
また、X22、X23がメチル基であるものとして、例えばオクチルジメチルアミン、ノニルジメチルアミン、デシルジメチルアミン、ウンデシルジメチルアミン、ラウリルジメチルアミン、トリデシルジメチルアミン、ミリスチルジメチルアミン、テトラデシルジメチルアミン、ペンタデシルジメチルアミン、パルミチルジメチルアミン、ヘプタデシルジメチルアミン、オレイルジメチルアミン、ステアリルジメチルアミン、イソステアリルジメチルアミン、ノナデシルジメチルアミン、エイコシルジメチルアミン、ココナットジメチルアミン、牛脂ジメチルアミン、水素化牛脂ジメチルアミン、大豆ジメチルアミン、等のアルキルジメチルアミン類がある。
また、X22、X23がヒドロキシアルキル基であるものとして、例えば、N−オクチルジエタノールアミン、N−ノニルジエタノールアミン、N−デシルジエタノールアミン、N−ウンデシルジエタノールアミン、N−ラウリルジエタノールアミン、N−トリデシルジエタノールアミン、N−ミリスチルジエタノールアミン、N−テトラデシルジエタノールアミン、N−ペンタデシルジエタノールアミン、N−パルミチルジエタノールアミン、N−ヘプタデシルジエタノールアミン、N−オレイルジエタノールアミン、N−ステアリルジエタノールアミン、N−イソステアリルジエタノールアミン、N−ノナデシルジエタノールアミン、N−エイコシルジエタノールアミン、N−ココナットジエタノールアミン、N−牛脂ジエタノールアミン、N−水素化牛脂ジエタノールアミン、N−大豆ジエタノールアミン等のN−アルキルジエタノールアミン類、またN−オクチルジプロパノールアミン、N−ノニルジプロパノールアミン、N−デシルジプロパノールアミン、N−ウンデシルジプロパノールアミン、N−ラウリルジプロパノールアミン、N−トリデシルジプロパノールアミン、N−ミリスチルジプロパノールアミン、N−テトラデシルジプロパノールアミン、N−ペンタデシルジプロパノールアミン、N−パルミチルジプロパノールアミン、N−ヘプタデシルジプロパノールアミン、N−オレイルジプロパノールアミン、N−ステアリルジプロパノールアミン、N−イソステアリルジプロパノールアミン、N−ノナデシルジプロパノールアミン、N−エイコシルジプロパノールアミン、N−ココナットジプロパノールアミン、N−牛脂ジプロパノールアミン、N−水素化牛脂ジプロパノールアミン、N−大豆ジプロパノールアミン等のN−アルキルジプロパノールアミン類がある。
Examples of X 22 and X 23 being methyl groups include octyldimethylamine, nonyldimethylamine, decyldimethylamine, undecyldimethylamine, lauryldimethylamine, tridecyldimethylamine, myristyldimethylamine, tetradecyldimethylamine. , Pentadecyldimethylamine, palmityldimethylamine, heptadecyldimethylamine, oleyldimethylamine, stearyldimethylamine, isostearyldimethylamine, nonadecyldimethylamine, eicosyldimethylamine, coconut dimethylamine, beef tallow dimethylamine, hydrogenated There are alkyldimethylamines such as beef tallow dimethylamine and soybean dimethylamine.
Further, as X 22 and X 23 being a hydroxyalkyl group, for example, N-octyldiethanolamine, N-nonyldiethanolamine, N-decyldiethanolamine, N-undecyldiethanolamine, N-lauryldiethanolamine, N-tridecyldiethanolamine, N-myristyl diethanolamine, N-tetradecyl diethanolamine, N-pentadecyl diethanolamine, N-palmityl diethanolamine, N-heptadecyl diethanolamine, N-oleyl diethanolamine, N-stearyl diethanolamine, N-isostearyl diethanolamine, N-nonadecyl diethanolamine N-eicosyl diethanolamine, N-coconut diethanolamine, N-tallow diethanolamine N-alkyldiethanolamines such as N-hydrogenated beef tallow diethanolamine, N-soybean diethanolamine, N-octyldipropanolamine, N-nonyldipropanolamine, N-decyldipropanolamine, N-undecyldipropanolamine N-lauryldipropanolamine, N-tridecyldipropanolamine, N-myristyldipropanolamine, N-tetradecyldipropanolamine, N-pentadecyldipropanolamine, N-palmityldipropanolamine, N-hepta Decyl dipropanolamine, N-oleyl dipropanolamine, N-stearyl dipropanolamine, N-isostearyl dipropanolamine, N-nonadecyl dipropanolamine, N-eicosyl diprop Ruamin, N- coconut dipropanolamine, N- tallow dipropanolamine, N- hydrogenated tallow di-propanolamine, there are N- alkyl dipropanolamine such as N- soybean dipropanolamine.
例えば、N−オクチル−1,2−エチレンジアミン、N−ノニル−1,2−エチレンジアミン、N−デシル−1,2−エチレンジアミン、N−ウンデシル−1,2−エチレンジアミン、N−ラウリル−1,2−エチレンジアミン、N−トリデシル−1,2−エチレンジアミン、N−ミリスチル−1,2−エチレンジアミン、N−テトラデシル−1,2−エチレンジアミン、N−ペンタデシル−1,2−エチレンジアミン、N−パルミチル−1,2−エチレンジアミン、N−ヘプタデシル−1,2−エチレンジアミン、N−オレイル−1,2−エチレンジアミン、N−ステアリル−1,2−エチレンジアミン、N−イソステアリル−1,2−エチレンジアミン、N−ノナデシル−1,2−エチレンジアミン、N−エイコシル−1,2−エチレンジアミン、N−ココナット−1,2−エチレンジアミン、N−牛脂−1,2−エチレンジアミン、N−水素化牛脂−1,2−エチレンジアミン、N−大豆−1,2−エチレンジアミン、等のエチレンジアミン類がある。
また、N−オクチル−1,3−プロピレンジアミン、N−ノニル−1,3−プロピレンジアミン、N−デシル−1,3−プロピレンジアミン、N−ウンデシル−1,3−プロピレンジアミン、N−ラウリル−1,3−プロピレンジアミン、N−トリデシル−1,3−プロピレンジアミン、N−ミリスチル−1,3−プロピレンジアミン、N−テトラデシル−1,3−プロピレンジアミン、N−ペンタデシル−1,3−プロピレンジアミン、N−パルミチル−1,3−プロピレンジアミン、N−ヘプタデシル−1,3−プロピレンジアミン、N−オレイル−1,3−プロピレンジアミン、N−ステアリル−1,3−プロピレンジアミン、N−イソステアリル−1,3−プロピレンジアミン、N−ノナデシル−1,3−プロピレンジアミン、N−エイコシル−1,3−プロピレンジアミン、N−ココナット−1,3−プロピレンジアミン、N−牛脂−1,3−プロピレンジアミン、N−水素化牛脂−1,3−プロピレンジアミン、N−大豆−1,3−プロピレンジアミン、等のプロピレンジアミン類がある。
また、N−オクチル−1,4−ブチレンジアミン、N−ノニル−1,4−ブチレンジアミン、N−デシル−1,4−ブチレンジアミン、N−ウンデシル−1,4−ブチレンジアミン、N−ラウリル−1,4−ブチレンジアミン、N−トリデシル−1,4−ブチレンジアミン、N−ミリスチル−1,4−ブチレンジアミン、N−テトラデシル−1,4−ブチレンジアミン、N−ペンタデシル−1,4−ブチレンジアミン、N−パルミチル−1,4−ブチレンジアミン、N−ヘプタデシル−1,4−ブチレンジアミン、N−オレイル−1,4−ブチレンジアミン、N−ステアリル−1,4−ブチレンジアミン、N−イソステアリル−1,4−ブチレンジアミン、N−ノナデシル−1,4−ブチレンジアミン、N−エイコシル−1,4−ブチレンジアミン、N−ココナット−1,4−ブチレンジアミン、N−牛脂−1,4−ブチレンジアミン、N−水素化牛脂−1,4−ブチレンジアミン、N−大豆−1,4−ブチレンジアミン、等のブチレンジアミン類がある。
For example, N-octyl-1,2-ethylenediamine, N-nonyl-1,2-ethylenediamine, N-decyl-1,2-ethylenediamine, N-undecyl-1,2-ethylenediamine, N-lauryl-1,2- Ethylenediamine, N-tridecyl-1,2-ethylenediamine, N-myristyl-1,2-ethylenediamine, N-tetradecyl-1,2-ethylenediamine, N-pentadecyl-1,2-ethylenediamine, N-palmityl-1,2- Ethylenediamine, N-heptadecyl-1,2-ethylenediamine, N-oleyl-1,2-ethylenediamine, N-stearyl-1,2-ethylenediamine, N-isostearyl-1,2-ethylenediamine, N-nonadecyl-1,2 -Ethylenediamine, N-eicosyl-1,2-ethylene There are ethylenediamines such as amine, N-coconut-1,2-ethylenediamine, N-beef tallow-1,2-ethylenediamine, N-hydrogenated tallow-1,2-ethylenediamine, N-soybean-1,2-ethylenediamine, etc. .
N-octyl-1,3-propylenediamine, N-nonyl-1,3-propylenediamine, N-decyl-1,3-propylenediamine, N-undecyl-1,3-propylenediamine, N-lauryl- 1,3-propylenediamine, N-tridecyl-1,3-propylenediamine, N-myristyl-1,3-propylenediamine, N-tetradecyl-1,3-propylenediamine, N-pentadecyl-1,3-propylenediamine N-palmityl-1,3-propylenediamine, N-heptadecyl-1,3-propylenediamine, N-oleyl-1,3-propylenediamine, N-stearyl-1,3-propylenediamine, N-isostearyl- 1,3-propylenediamine, N-nonadecyl-1,3-propylenediamine, N- Icosyl-1,3-propylenediamine, N-coconut-1,3-propylenediamine, N-tallow-1,3-propylenediamine, N-hydrogenated tallow-1,3-propylenediamine, N-soy-1, There are propylenediamines such as 3-propylenediamine.
N-octyl-1,4-butylenediamine, N-nonyl-1,4-butylenediamine, N-decyl-1,4-butylenediamine, N-undecyl-1,4-butylenediamine, N-lauryl- 1,4-butylenediamine, N-tridecyl-1,4-butylenediamine, N-myristyl-1,4-butylenediamine, N-tetradecyl-1,4-butylenediamine, N-pentadecyl-1,4-butylenediamine N-palmityl-1,4-butylenediamine, N-heptadecyl-1,4-butylenediamine, N-oleyl-1,4-butylenediamine, N-stearyl-1,4-butylenediamine, N-isostearyl- 1,4-butylenediamine, N-nonadecyl-1,4-butylenediamine, N-eicosyl-1,4-butylene Min, N-coconut-1,4-butylenediamine, N-tallow-1,4-butylenediamine, N-hydrogenated tallow-1,4-butylenediamine, N-soybean-1,4-butylenediamine, etc. There are butylenediamines.
上記したアミン化合物は、JIS K2501で定める塩基価が10〜800mgKOH/gのもの、好ましくは100〜500mgKOH/gのものが良い。これらのアミン化合物は、単独で又は適宜に組み合わせて潤滑油組成物中に上記した群から選ばれた少なくとも1種を約0.005〜5質量%程度、好ましくは約0.01〜1質量%程度で用いると良い。 The above-mentioned amine compound has a base number defined by JIS K2501 of 10 to 800 mgKOH / g, preferably 100 to 500 mgKOH / g. These amine compounds may be used alone or in an appropriate combination, and at least one selected from the above group in the lubricating oil composition is about 0.005 to 5% by mass, preferably about 0.01 to 1% by mass. It is good to use at a degree.
本発明におけるアミド化合物としては、脂肪酸とモノアミンまたはポリアミンによる生成物であるアミド化合物が挙げられる。
脂肪酸とモノアミンによるアミド化合物として、上記一般式9中、X20は炭素数1〜30のアルキル基若しくはアルケニル基である。例えば、ラウリルアミド、ココナットアミド、n−トリデシルアミド、ミリスチルアミド、n−ペンタデシルアミド、n−パルミチルアミド、n−ヘプタデシルアミド、n−ステアリルアミド、イソステアリルアミド、n−ノナデシルアミド、n−エイコシルアミド、n−ヘンエイコシルアミド、n−ドコシルアミド、n−トリコシルアミド、n−ペンタコシルアミド、オレイルアミド、牛脂アミド、水素化牛脂アミド、大豆アミド等が挙げられる。好ましくはX20の炭素数は6〜30、好ましくは炭素数8〜24、更に好ましくは炭素数12〜18が良い。またX20は直鎖脂肪族でも、分岐脂肪族でも、三級アルキル基でも良い。
Examples of the amide compound in the present invention include amide compounds that are products of fatty acids and monoamines or polyamines.
As an amide compound comprising a fatty acid and a monoamine, in the above general formula 9, X 20 is an alkyl group or alkenyl group having 1 to 30 carbon atoms. For example, laurylamide, coconutamide, n-tridecylamide, myristylamide, n-pentadecylamide, n-palmitylamide, n-heptadecylamide, n-stearylamide, isostearylamide, n-nonadecylamide, n -Eicosylamide, n-heneicosylamide, n-docosylamide, n-tricosylamide, n-pentacosylamide, oleylamide, beef tallow amide, hydrogenated tallow amide, soybean amide and the like. X 20 preferably has 6 to 30 carbon atoms, preferably 8 to 24 carbon atoms, and more preferably 12 to 18 carbon atoms. X 20 may be linear aliphatic, branched aliphatic, or tertiary alkyl group.
またポリアミンと脂肪酸によるアミド化合物としては、例えばイソステアリン酸トリエチレンテトラミド,イソステアリン酸テトラエチレンペンタミド,オレイン酸ジエチレントリアミド,オレイン酸ジエタノールアミドなど、炭素数6〜30、好ましくは8〜24の飽和若しくは不飽和脂肪酸と脂肪族アミン,ポリアルキレンポリアミンなどとの反応物が挙げられる。 Examples of the amide compound composed of polyamine and fatty acid include saturated or non-saturated or unsaturated carbon atoms of 6 to 30, preferably 8 to 24, such as isostearic acid triethylenetetramide, isostearic acid tetraethylenepentamide, oleic acid diethylenetriamide, and oleic acid diethanolamide. A reaction product of a saturated fatty acid and an aliphatic amine, polyalkylene polyamine, or the like can be given.
本発明の潤滑油組成物に対して、エステル化合物として、脂肪酸エステルを配合することができる。例えば、グリセロール、ソルビトール、アルキレングリコール、ネオペンチルグリコール、トリメチロールプロパン、ペンタエリスリトール、キシリトール等の多価アルコールと、炭素数6〜30、好ましくは炭素数8〜24、更に好ましくは炭素数8〜18の飽和または不飽和脂肪酸の部分または完全エステルを用いることができる。
例えば、グリセロールエステルとして、グリセロールモノラウリレート、グリセロールモノステアレート、グリセロールモノパルミテート、グリセロールモノオレート、グリセロールジラウリレート、グリセロールジステアレート、グリセロールジパルミテート、グリセロールジオレート等がある。
ソルビトールエステルとしては、ソルビトールモノラウリレート、ソルビトールモノパルミテート、ソルビトールモノステアレート、ソルビトールモノオレート、ソルビトールジラウリレート、ソルビトールジパルミテート、ソルビトールジステアレート、ソルビトールジオレート、ソルビトールトリステアレート、ソルビトールトリラウリレート、ソルビトールトリオレート、ソルビトールテトラオレート、ソルビトールセスキオレート等が挙げられる。
アルキレングリコールエステルとしては、エチレングリコールモノラウリレート、エチレングリコールモノステアレート、エチレングリコールモノオレート、エチレングリコールジラウリレート、エチレングリコールジステアレート、エチレングリコールジオレート、プロピレングリコールモノラウリレート、プロピレングリコールモノステアレート、プロピレングリコールモノオレート、プロピレングリコールジラウリレート、プロピレングリコールジステアレート、プロピレングリコールジオレート等がある。
ネオペンチルグリコールエステルとしては、ネオペンチルグリコールモノラウリレート、ネオペンチルグリコールモノステアレート、ネオペンチルグリコールモノオレート、ネオペンチルグリコールジラウリレート、ネオペンチルグリコールジステアレート、ネオペンチルグリコールジオレート等が挙げられる。
トリメチロールプロパンエステルとしては、トリメチロールプロパンモノラウリレート、トリメチロールプロパンモノステアレート、トリメチロールプロパンモノオレート、トリメチロールプロパンジラウリレート、トリメチロールプロパンジステアレート、トリメチロールプロパンジオレート、ペンタエリスリトールモノラウリレート等がある。
ペンタエリスリトールエステルとしては、ペンタエリスリトールモノステアレート、ペンタエリスリトールモノオレート、ペンタエリスリトールジラウリレート、ペンタエリスリトールジステアレート、ペンタエリスリトールジオレート、ジペンタエリスリトールモノオレート等がある。
キシリトールエステルとしては、キシリトールモノラウリレート、キシリトールモノステアレート、キシリトールモノオレート、キシリトールジラウリレート、キシリトールジステアレート、キシリトールジオレート、キシリトールトリオレート等が挙げられる。
こうした多価アルコールの脂肪酸エステルとしては、好ましくは多価アルコールと不飽和脂肪酸との部分エステルを用いると良い。
また、脂肪酸エステルとしてエポキシ化エステル化合物を配合することもできる。エポキシ化エステル化合物は、菜種油、大豆油、アマニ油、ヒマシ油、ヤシ油、パーム油、パーム核油、ひまわり油、米ぬか油、サフラワー油、牛脂、豚脂等の脂肪酸のエステルをエポキシ化して製造されたもので、例えば、エポキシ化菜種脂肪酸エステル、エポキシ化大豆脂肪酸エステル、エポキシ化アマニ脂肪酸エステル、エポキシ化ヒマシ脂肪酸エステル、エポキシ化サフラワー脂肪酸エステル等、およびエポキシステアリン酸メチル、エポキシステアリン酸ブチル、エポキシステアリン酸オクチル等のオレイン酸エステルをエポキシ化して製造されたものが挙げられる。またエステルのアルコール残基は、アルキル基、若しくはエーテル結合を有するアルキル基、若しくはヒドロキシアルキル基であり、より好ましくはブチル基、イソブチル基、2エチルヘキシル基である。一例として、エポキシ化菜種脂肪酸イソブチルエステル、エポキシ化菜種脂肪酸2エチルヘキシルエステル、エポキシ化亜麻仁油脂肪酸ブチルエステルなどが挙げられる。なお一般的な菜種脂肪酸の主成分はオレイン酸63%、リノール酸20%、リノレン酸8%の炭素数18の脂肪酸であり、亜麻仁脂肪酸の主成分は、オレイン酸21%、リノール酸13%、リノレン酸57%の炭素数18の脂肪酸である。
Fatty acid ester can be mix | blended with the lubricating oil composition of this invention as an ester compound. For example, polyhydric alcohols such as glycerol, sorbitol, alkylene glycol, neopentyl glycol, trimethylolpropane, pentaerythritol, and xylitol, and 6 to 30, preferably 8 to 24, more preferably 8 to 18 carbon atoms. Partial or complete esters of saturated or unsaturated fatty acids can be used.
Examples of glycerol esters include glycerol monolaurate, glycerol monostearate, glycerol monopalmitate, glycerol monooleate, glycerol dilaurate, glycerol distearate, glycerol dipalmitate, glycerol diolate, and the like.
The sorbitol esters include sorbitol monolaurate, sorbitol monopalmitate, sorbitol monostearate, sorbitol monooleate, sorbitol dilaurate, sorbitol dipalmitate, sorbitol distearate, sorbitol diolate, sorbitol tristearate, sorbitol tris Examples include laurate, sorbitol trioleate, sorbitol tetraoleate, and sorbitol sesquioleate.
Examples of alkylene glycol esters include ethylene glycol monolaurate, ethylene glycol monostearate, ethylene glycol monooleate, ethylene glycol dilaurate, ethylene glycol distearate, ethylene glycol diolate, propylene glycol monolaurate, propylene glycol monostearate. Rate, propylene glycol monooleate, propylene glycol dilaurate, propylene glycol distearate, propylene glycol dioleate and the like.
Examples of neopentyl glycol esters include neopentyl glycol monolaurate, neopentyl glycol monostearate, neopentyl glycol monooleate, neopentyl glycol dilaurate, neopentyl glycol distearate, neopentyl glycol dioleate, and the like. .
Examples of trimethylolpropane esters include trimethylolpropane monolaurate, trimethylolpropane monostearate, trimethylolpropane monooleate, trimethylolpropane dilaurate, trimethylolpropane distearate, trimethylolpropanediolate, pentaerythritol monoester. There is laurate etc.
Examples of the pentaerythritol ester include pentaerythritol monostearate, pentaerythritol monooleate, pentaerythritol dilaurate, pentaerythritol distearate, pentaerythritol dioleate, dipentaerythritol monooleate, and the like.
Examples of the xylitol ester include xylitol monolaurate, xylitol monostearate, xylitol monooleate, xylitol dilaurate, xylitol distearate, xylitol dioleate, xylitol trioleate and the like.
As such a fatty acid ester of a polyhydric alcohol, a partial ester of a polyhydric alcohol and an unsaturated fatty acid is preferably used.
Moreover, an epoxidized ester compound can also be mix | blended as fatty acid ester. Epoxidized ester compounds are epoxidized esters of fatty acids such as rapeseed oil, soybean oil, linseed oil, castor oil, palm oil, palm oil, palm kernel oil, sunflower oil, rice bran oil, safflower oil, beef tallow and lard. Manufactured, for example, epoxidized rapeseed fatty acid ester, epoxidized soybean fatty acid ester, epoxidized linseed fatty acid ester, epoxidized castor fatty acid ester, epoxidized safflower fatty acid ester, and the like, and epoxy methyl stearate, epoxy butyl stearate And those produced by epoxidizing oleic acid esters such as octyl epoxy stearate. The alcohol residue of the ester is an alkyl group, an alkyl group having an ether bond, or a hydroxyalkyl group, and more preferably a butyl group, an isobutyl group, or a 2-ethylhexyl group. Examples include epoxidized rapeseed fatty acid isobutyl ester, epoxidized rapeseed fatty acid 2-ethylhexyl ester, epoxidized linseed oil fatty acid butyl ester, and the like. The main components of general rapeseed fatty acids are fatty acids having 18 carbon atoms, 63% oleic acid, 20% linoleic acid, and 8% linolenic acid. The main components of linseed fatty acids are 21% oleic acid, 13% linoleic acid, It is a fatty acid having 18 carbon atoms and 57% linolenic acid.
本発明には、アルコール化合物として、炭素数6〜30の1価アルコールを配合することもできる。直鎖状又は分岐状のいずれであっても良く、飽和でも不飽和でも良く、好ましくは炭素数8〜24、より好ましくは炭素数10〜22、特に好ましくは炭素数12〜22の1価アルキルアルコール、及び/又はアルケニルアルコールであることが望ましい。このようなアルコールとして、オクタノール、ノナノール、デカノール、ウンデカノール、ドデカノール、トリデカノール、テトラデカノール、ペンタデカノール、ヘキサデカノール、ヘプタデカノール、オクタデカノール(ステリルアルコール等)、ノナデカノール、エイコサノール、ヘンエイコサノール、ドコサノール(ベヘニルアルコール等)、トリコサノール、テトラコサノール等の1価アルキルアルコールや、オクテノール、ノネノール、デセノール、ウンデセノール、ドデセノール、トリデセノール、テトラデセノール、ペンタデセノール、ヘキサデセノール、ヘプタデセノール、オクタデセノール(オレイルアルコール等)、ノナデセノール、エイコセノール、ヘンエイコセノール、ドコセノール、トリコセノール、テトラコセノール等の1価アルケニルアルコール、及びこれらの2種以上の混合物が挙げられる。本発明の潤滑油組成物において、アルコールの炭素数が6未満の場合や30を超える場合は、潤滑油基油に対する溶解性や熱安定性が低下する傾向にある。 In the present invention, a monohydric alcohol having 6 to 30 carbon atoms can be blended as the alcohol compound. It may be either linear or branched, and may be saturated or unsaturated, and is preferably a monovalent alkyl having 8 to 24 carbon atoms, more preferably 10 to 22 carbon atoms, and particularly preferably 12 to 22 carbon atoms. It is desirable to be an alcohol and / or alkenyl alcohol. Such alcohols include octanol, nonanol, decanol, undecanol, dodecanol, tridecanol, tetradecanol, pentadecanol, hexadecanol, heptadecanol, octadecanol (steryl alcohol, etc.), nonadecanol, eicosanol, heneico Monohydric alkyl alcohols such as sanol, docosanol (behenyl alcohol, etc.), tricosanol, tetracosanol, octenol, nonenol, decenol, undecenol, dodecenol, tridecenol, tetradecenol, pentadecenol, hexadecenol, heptadecenol, octadecenol (oleyl alcohol, etc.), nonadenol , Eicosenol, hen eicosenol, docosenol, tricosenol, tetraco Monohydric alkenyl alcohols Nord, and the like, and mixtures of two or more thereof. In the lubricating oil composition of the present invention, when the carbon number of the alcohol is less than 6 or exceeds 30, the solubility in the lubricating base oil and the thermal stability tend to decrease.
本発明には、カルボン酸化合物として、モノカルボン酸類、多価カルボン酸類、炭素環カルボン酸類、複素環式カルボン酸類を配合することもできる。 In the present invention, monocarboxylic acids, polyvalent carboxylic acids, carbocyclic carboxylic acids, and heterocyclic carboxylic acids can be blended as the carboxylic acid compound.
上記モノカルボン酸類は、具体的にはカルボキシル基を分子中に1つ有する炭素数6〜30、好ましくは炭素数8〜24の脂肪族モノカルボン酸類である。炭素数8〜24の飽和脂肪族モノカルボン酸の例として、オクタン酸(カプリル酸等)、ノナン酸(ペラルゴン酸等)、デカン酸、ウンデカン酸、ドデカン酸(ラウリン酸等)、トリデカン酸、テトラデカン酸(ミリスチン酸等)、ペンタデカン酸、ヘキサデカン酸(パルミチン酸等)、ヘプタデカン酸、オクタデカン酸(ステアリン酸等)、ノナデカン酸、イコサン酸、ヘンイコサン酸、ドコサン酸、トリコサン酸、テトラコサン酸等が挙げられ、これら飽和脂肪族は直鎖状でも分枝状でも良く、更に好ましくは炭素数12〜22がよい。
炭素数8〜24の不飽和脂肪族モノカルボン酸の例として、オクテン酸、ノネン酸、デセン酸、ウンデセン酸、ドデセン酸、トリデセン酸、テトラデセン酸、ペンタデセン酸、ヘキサデセン酸、ヘプタデセン酸、オクタデセン酸(オレイン酸等)、ノナデセン酸、イコセン酸、ヘンイコセン酸、ドコセン酸、トリコセン酸、テトラコセン酸等が挙げられ、これら不飽和脂肪族は直鎖状でも分枝状でも良く、更に好ましくは炭素数12〜22がよく、また不飽和結合の位置も任意である。
また、モノカルボン酸類として、N−メチル−Nー(1−オキソ−デシル)グリシン、N−メチル−Nー(1−オキソ−ウンデシル)グリシン、N−メチル−Nー(1−オキソ−ドデシル)グリシン、N−メチル−Nー(1−オキソ−トリデシル)グリシン、N−メチル−Nー(1−オキソ−テトラデシル)グリシン、N−メチル−Nー(1−オキソ−ペンタデシル)グリシン、N−メチル−Nー(1−オキソ−ヘキサデシル)グリシン、N−メチル−Nー(1−オキソ−ヘプタデシル)グリシン、N−メチル−Nー(1−オキソ−オクタデシル)グリシン、N−メチル−Nー(1−オキソ−9−オクタデセニル)グリシン、N−メチル−Nー(1−オキソ−ノナデシル)グリシン、N−メチル−Nー(1−オキソ−イコサデシル)グリシン等も挙げられ、これら飽和および不飽和脂肪族は直鎖状でも分枝状でもよい。
The monocarboxylic acids are specifically aliphatic monocarboxylic acids having 6 to 30 carbon atoms, preferably 8 to 24 carbon atoms, having one carboxyl group in the molecule. Examples of saturated aliphatic monocarboxylic acids having 8 to 24 carbon atoms include octanoic acid (caprylic acid, etc.), nonanoic acid (pelargonic acid, etc.), decanoic acid, undecanoic acid, dodecanoic acid (lauric acid, etc.), tridecanoic acid, tetradecane Examples include acids (such as myristic acid), pentadecanoic acid, hexadecanoic acid (such as palmitic acid), heptadecanoic acid, octadecanoic acid (such as stearic acid), nonadecanoic acid, icosanoic acid, henicosanoic acid, docosanoic acid, tricosanoic acid, and tetracosanoic acid. These saturated aliphatic groups may be linear or branched, and more preferably have 12 to 22 carbon atoms.
Examples of unsaturated aliphatic monocarboxylic acids having 8 to 24 carbon atoms include octenoic acid, noneic acid, decenoic acid, undecenoic acid, dodecenoic acid, tridecenoic acid, tetradecenoic acid, pentadecenoic acid, hexadecenoic acid, heptadecenoic acid, octadecenoic acid ( Oleic acid, etc.), nonadecenoic acid, icosenoic acid, henicosenoic acid, docosenoic acid, tricosenoic acid, tetracosenoic acid and the like. These unsaturated aliphatic groups may be linear or branched, more preferably 12 to 12 carbon atoms. 22 is good, and the position of the unsaturated bond is also arbitrary.
Further, as monocarboxylic acids, N-methyl-N- (1-oxo-decyl) glycine, N-methyl-N- (1-oxo-undecyl) glycine, N-methyl-N- (1-oxo-dodecyl) Glycine, N-methyl-N- (1-oxo-tridecyl) glycine, N-methyl-N- (1-oxo-tetradecyl) glycine, N-methyl-N- (1-oxo-pentadecyl) glycine, N-methyl -N- (1-oxo-hexadecyl) glycine, N-methyl-N- (1-oxo-heptadecyl) glycine, N-methyl-N- (1-oxo-octadecyl) glycine, N-methyl-N- (1 -Oxo-9-octadecenyl) glycine, N-methyl-N- (1-oxo-nonadecyl) glycine, N-methyl-N- (1-oxo-icosadecyl) glycine Also. These saturated and unsaturated aliphatic may be and straight-chain or branched.
また上記多価カルボン酸類としては、飽和又は不飽和脂肪族ジカルボン酸があり、ヘキサン二酸(アジピン酸等)、ヘプタン二酸(ピメリン酸等)、オクタン二酸(スベリン酸等)、ノナン二酸(アゼライン酸等)、デカン二酸(セバシン酸等)、ヘキセン二酸、ヘプテン二酸、オクテン二酸、ノネン二酸、デセン二酸等が挙げられ、これら飽和脂肪族又は不飽和脂肪族は直鎖状でも分枝状でもよく、また不飽和結合の位置も任意である。飽和又は不飽和脂肪族トリカルボン酸として、ヘキサントリカルボン酸、ヘプタントリカルボン酸、オクタントリカルボン酸、ノナントリカルボン酸、デカントリカルボン酸等が挙げられ、これら飽和脂肪族又は不飽和脂肪族は直鎖状でも分枝状でもよく、また不飽和結合の位置も任意である。また飽和又は不飽和脂肪族テトラカルボン酸も挙げられ、飽和脂肪族又は不飽和脂肪族は直鎖状でも分枝状でもよく、また不飽和結合の位置も任意である。 Examples of the polyvalent carboxylic acids include saturated or unsaturated aliphatic dicarboxylic acids, such as hexanedioic acid (eg adipic acid), heptanedioic acid (eg pimelic acid), octanedioic acid (eg suberic acid), nonanedioic acid. (Azelaic acid etc.), decanedioic acid (sebacic acid etc.), hexenedioic acid, heptenedioic acid, octenedioic acid, nonenedioic acid, decenedioic acid etc. The chain may be branched or branched, and the position of the unsaturated bond is arbitrary. Examples of the saturated or unsaturated aliphatic tricarboxylic acid include hexanetricarboxylic acid, heptanetricarboxylic acid, octanetricarboxylic acid, nonanetricarboxylic acid, decanetricarboxylic acid and the like. These saturated aliphatic or unsaturated aliphatic may be linear or branched. The position of the unsaturated bond is also arbitrary. Moreover, saturated or unsaturated aliphatic tetracarboxylic acid is also mentioned. The saturated aliphatic or unsaturated aliphatic may be linear or branched, and the position of the unsaturated bond is arbitrary.
更に、上記炭素環カルボン酸類は、具体的には、炭素環にカルボキシル基を分子中に1つ又は2つ以上有するカルボン酸類であり、例えば、シクロヘキサンモノカルボン酸、メチルシクロへキサンモノカルボン酸、エチルシクロヘキサンモノカルボン酸、プロピルシクロへキサンモノカルボン酸、ブチルシクロへキサンモノカルボン酸、ペンチルシクロへキサンモノカルボン酸、ヘキシルシクロへキサンモノカルボン酸、ヘプチルシクロへキサンモノカルボン酸、オクチルシクロへキサンモノカルボン酸、シクロヘプタンモノカルボン酸、シクロオクタンモノカルボン酸、トリメチルシクロペンタンジカルボン酸(ショウノウ酸等)等の炭素数3〜40の、ナフテン環を有するモノ、ジ、トリ又はテトラカルボン酸(アルキル基、アルケニル基を置換基として有する場合、それらは直鎖状でも分枝状でも良く、二重結合の位置も任意であり、また、その置換数、置換位置も任意である)、ベンゼンカルボン酸(安息香酸)、メチルベンゼンカルボン酸(トルイル酸等)、エチルベンゼンカルボン酸、プロピルベンゼンカルボン酸、ベンゼンジカルボン酸(フタル酸、イソフタル酸、テレフタル酸等)、ベンゼントリカルボン酸(トリメリット酸等)、ベンゼンテトラカルボン酸(ピロメリット酸等)ナフタリンカルボン酸(ナフトエ酸等)等、炭素数7〜40の芳香族モノカルボン酸類、フェニルプロパン酸(ヒドロアトロパ酸)、フェニルプロペン酸(アトロパ酸、ケイ皮酸等)、メチルフェノキシ酢酸、エチルフェノキシ酢酸、プロピルフェノキシ酢酸、ブチルフェノキシ酢酸、ヘキシルフェノキシ酢酸、ヘプチルフェノキシ酢酸、オクチルフェノキシ酢酸、ノニルフェノキシ酢酸、デシルフェノキシ酢酸等のフェノキシ酢酸類、サリチル酸、炭素数1〜30のアルキル基を1つ又は2つ以上有するアルキルサリチル酸等の炭素数7〜40のアリール基を有するモノ、ジ、トリ又はテトラカルボン酸(アルキル基、アルケニル基を置換基として有する場合、それらは直鎖状でも分枝状でも良く、二重結合の位置も任意であり、またその置換数、置換位置も任意である)等が挙げられる。 Furthermore, the carbocyclic carboxylic acids are specifically carboxylic acids having one or more carboxyl groups in the molecule in the carbocycle, such as cyclohexane monocarboxylic acid, methylcyclohexane monocarboxylic acid, ethyl Cyclohexane monocarboxylic acid, propylcyclohexane monocarboxylic acid, butylcyclohexane monocarboxylic acid, pentylcyclohexane monocarboxylic acid, hexylcyclohexane monocarboxylic acid, heptylcyclohexane monocarboxylic acid, octylcyclohexane monocarboxylic acid Mono-, di-, tri-, or tetracarboxylic acids having 3 to 40 carbon atoms, such as acid, cycloheptane monocarboxylic acid, cyclooctane monocarboxylic acid, trimethylcyclopentane dicarboxylic acid (such as camphoric acid), and the like, having a naphthene ring (alkyl group, Alkenyl As a substituent, they may be linear or branched, the position of the double bond is arbitrary, the number of substitutions and the position of substitution are also arbitrary), benzenecarboxylic acid (benzoic acid) , Methylbenzenecarboxylic acid (toluic acid, etc.), ethylbenzenecarboxylic acid, propylbenzenecarboxylic acid, benzenedicarboxylic acid (phthalic acid, isophthalic acid, terephthalic acid, etc.), benzenetricarboxylic acid (trimellitic acid, etc.), benzenetetracarboxylic acid ( Pyromellitic acid, etc.) naphthalenecarboxylic acid (naphthoic acid, etc.), aromatic monocarboxylic acids having 7 to 40 carbon atoms, phenylpropanoic acid (hydroatropic acid), phenylpropenoic acid (atropic acid, cinnamic acid, etc.), methylphenoxy Acetic acid, ethylphenoxyacetic acid, propylphenoxyacetic acid, butylphenoxyacetic acid Carbon number 7 such as hexylphenoxyacetic acid, heptylphenoxyacetic acid, octylphenoxyacetic acid, phenoxyacetic acid such as nonylphenoxyacetic acid, decylphenoxyacetic acid, salicylic acid, alkyl salicylic acid having one or more C1-30 alkyl groups Mono-, di-, tri- or tetracarboxylic acids having up to 40 aryl groups (in the case of having an alkyl group or an alkenyl group as a substituent, they may be linear or branched, and the position of the double bond is arbitrary. In addition, the number of substitutions and the substitution position are also arbitrary.
更にまた、上記複素環式カルボン酸類としては、具体的には、カルボキシル基を分子中に1つ又は2つ以上有する複素環式カルボン酸類であり、例えば、フランカルボン酸、チオフェンカルボン酸、ピリジンカルボン酸(ニコチン酸、イソニコチン酸等)等、炭素数5〜40の複素環式カルボン酸類が挙げられる。 Furthermore, the heterocyclic carboxylic acids are specifically heterocyclic carboxylic acids having one or more carboxyl groups in the molecule, such as furan carboxylic acid, thiophene carboxylic acid, pyridine carboxylic acid. Examples thereof include heterocyclic carboxylic acids having 5 to 40 carbon atoms such as acids (nicotinic acid, isonicotinic acid and the like).
本発明の潤滑油組成物に対して、上記したチオリン酸エステル以外にもリン化合物を添加することができ、これによって更に耐摩耗性や極圧性を付与することができる。そうしたリン化合物としては、例えば、リン酸エステル、酸性リン酸エステル、酸性リン酸エステルのアミン塩、亜リン酸エステル、ホスフォロチオネート、ジチオリン酸亜鉛、リン含有カルボン酸、リン含有カルボン酸エステル、などが挙げられる。これらのリン化合物は、基油100質量%に対して、0.01〜2質量%の範囲で単独又は複数組み合わせて使用できる。 In addition to the above-described thiophosphate, a phosphorus compound can be added to the lubricating oil composition of the present invention, thereby further imparting wear resistance and extreme pressure. Examples of such phosphorus compounds include phosphate esters, acidic phosphate esters, amine salts of acidic phosphate esters, phosphite esters, phosphorothionates, zinc dithiophosphates, phosphorus-containing carboxylic acids, phosphorus-containing carboxylic acid esters, Etc. These phosphorus compounds can be used alone or in combination within a range of 0.01 to 2% by mass with respect to 100% by mass of the base oil.
上記リン酸エステルとしては、例えば、トリブチルホスフェート、トリペンチルホスフェート、トリヘキシルホスフェート、トリヘプチルホスフェート、トリオクチルホスフェート、トリノニルホスフェート、トリデシルホスフェート、トリウンデシルホスフェート、トリドデシルホスフェート、トリトリデシルホスフェート、トリテトラデシルホスフェート、トリペンタデシルホスフェート、トリヘキサデシルホスフェート、トリヘプタデシルホスフェート、トリオクタデシルホスフェート、トリオレイルホスフェート、トリフェニルホスフェート、トリス(iso−プロピルフェニル)ホスフェート、トリアリルフォスフェート、トリクレジルホスフェート、トリキシレニルホスフェート、クレジルジフェニルホスフェート、キシレニルジフェニルホスフェート、などが挙げられる。 Examples of the phosphate ester include tributyl phosphate, tripentyl phosphate, trihexyl phosphate, triheptyl phosphate, trioctyl phosphate, trinonyl phosphate, tridecyl phosphate, triundecyl phosphate, tridodecyl phosphate, tritridecyl phosphate, Tetradecyl phosphate, tripentadecyl phosphate, trihexadecyl phosphate, triheptadecyl phosphate, trioctadecyl phosphate, trioleyl phosphate, triphenyl phosphate, tris (iso-propylphenyl) phosphate, triallyl phosphate, tricresyl phosphate, Trixylenyl phosphate, cresyl diphenyl phosphate, xylenyl Phenyl phosphate, and the like.
上記酸性リン酸エステルの具体例としては、モノブチルアシッドホスフェート、モノペンチルアシッドホスフェート、モノヘキシルアシッドホスフェート、モノヘプチルアシッドホスフェート、モノオクチルアシッドホスフェート、モノノニルアシッドホスフェート、モノデシルアシッドホスフェート、モノウンデシルアシッドホスフェート、モノドデシルアシッドホスフェート、モノトリデシルアシッドホスフェート、モノテトラデシルアシッドホスフェート、モノペンタデシルアシッドホスフェート、モノヘキサデシルアシッドホスフェート、モノヘプタデシルアシッドホスフェート、モノオクタデシルアシッドホスフェート、モノオレイルアシッドホスフェート、ジブチルアシッドホスフェート、ジペンチルアシッドホスフェート、ジヘキシルアシッドホスフェート、ジヘプチルアシッドホスフェート、ジオクチルアシッドホスフェート、ジノニルアシッドホスフェート、ジデシルアシッドホスフェート、ジウンデシルアシッドホスフェート、ジドデシルアシッドホスフェート、ジトリデシルアシッドホスフェート、ジテトラデシルアシッドホスフェート、ジペンタデシルアシッドホスフェート、ジヘキサデシルアシッドホスフェート、ジヘプタデシルアシッドホスフェート、ジオクタデシルアシッドホスフェート、ジオレイルアシッドホスフェート、などが挙げられる。 Specific examples of the acidic phosphate ester include monobutyl acid phosphate, monopentyl acid phosphate, monohexyl acid phosphate, monoheptyl acid phosphate, monooctyl acid phosphate, monononyl acid phosphate, monodecyl acid phosphate, monoundecyl acid Phosphate, monododecyl acid phosphate, monotridecyl acid phosphate, monotetradecyl acid phosphate, monopentadecyl acid phosphate, monohexadecyl acid phosphate, monoheptadecyl acid phosphate, monooctadecyl acid phosphate, monooleyl acid phosphate, dibutyl acid Dipentyl acid phosphate Xyl acid phosphate, diheptyl acid phosphate, dioctyl acid phosphate, dinonyl acid phosphate, didecyl acid phosphate, diundecyl acid phosphate, didodecyl acid phosphate, ditridecyl acid phosphate, ditetradecyl acid phosphate, dipentadecate Examples include dihexadecyl acid phosphate, diheptadecyl acid phosphate, dioctadecyl acid phosphate, and dioleyl acid phosphate.
上記酸性リン酸エステルのアミン塩としては、前記酸性リン酸エステルのメチルアミン、エチルアミン、プロピルアミン、ブチルアミン、ペンチルアミン、ヘキシルアミン、ヘプチルアミン、オクチルアミン、ジメチルアミン、ジエチルアミン、ジプロピルアミン、ジブチルアミン、ジペンチルアミン、ジヘキシルアミン、ジヘプチルアミン、ジオクチルアミン、トリメチルアミン、トリエチルアミン、トリプロピルアミン、トリブチルアミン、トリペンチルアミン、トリヘキシルアミン、トリヘプチルアミン、トリオクチルアミン、などのアミンとの塩などがある。 Examples of the amine salt of the acidic phosphate ester include methylamine, ethylamine, propylamine, butylamine, pentylamine, hexylamine, heptylamine, octylamine, dimethylamine, diethylamine, dipropylamine, and dibutylamine. , Salts with amines such as dipentylamine, dihexylamine, diheptylamine, dioctylamine, trimethylamine, triethylamine, tripropylamine, tributylamine, tripentylamine, trihexylamine, triheptylamine, trioctylamine, etc. .
上記亜リン酸エステルとしては、ジブチルホスファイト、ジペンチルホスファイト、ジヘキシルホスファイト、ジヘプチルホスファイト、ジオクチルホスファイト、ジノニルホスファイト、ジデシルホスファイト、ジウンデシルホスファイト、ジドデシルホスファイト、ジオレイルホスファイト、ジフェニルホスファイト、ジクレジルホスファイト、トリブチルホスファイト、トリペンチルホスファイト、トリヘキシルホスファイト、トリヘプチルホスファイト、トリオクチルホスファイト、トリノニルホスファイト、トリデシルホスファイト、トリウンデシルホスファイト、トリドデシルホスファイト、トリオレイルホスファイト、トリフェニルホスファイト、トリクレジルホスファイト、などが挙げられる。 Examples of the phosphites include dibutyl phosphite, dipentyl phosphite, dihexyl phosphite, diheptyl phosphite, dioctyl phosphite, dinonyl phosphite, didecyl phosphite, diundecyl phosphite, didodecyl phosphite, geode Rail phosphite, diphenyl phosphite, dicresyl phosphite, tributyl phosphite, tripentyl phosphite, trihexyl phosphite, triheptyl phosphite, trioctyl phosphite, trinonyl phosphite, tridecyl phosphite, triundecyl Examples include phosphite, tridodecyl phosphite, trioleyl phosphite, triphenyl phosphite, tricresyl phosphite, and the like.
上記したジチオリン酸亜鉛としては、一般に、ジアルキルジチオリン酸亜鉛、ジアリールジチオリン酸亜鉛、アリールアルキルジチオリン酸亜鉛等が挙げられる。例えば、ジアルキルジチオリン酸亜鉛のアルキル基は、炭素数3〜22の第1級又は第2級のアルキル基、炭素数3〜18のアルキル基で置換されたアルキルアリール基を有するジアルキルジチオリン酸亜鉛が使用される。 ジアルキルジチオリン酸亜鉛の具体例としては、ジプロピルジチオリン酸亜鉛、ジブチルジチオリン酸亜鉛、ジペンチルジチオリン酸亜鉛、ジヘキシルジチオリン酸亜鉛、ジイソペンチルジチオリン酸亜鉛、ジエチルヘキシルジチオリン酸亜鉛、ジオクチルジチオリン酸亜鉛、ジノニルジチオリン酸亜鉛、ジデシルジチオリン酸亜鉛、ジドデシルジチオリン酸亜鉛、ジプロピルフェニルジチオリン酸亜鉛、ジペンチルフェニルジチオリン酸亜鉛、ジプロピルメチルフェニルジチオリン酸亜鉛、ジノニルフェニルジチオリン酸亜鉛、ジドデシルフェニルジチオリン酸亜鉛、ジドデシルフェニルジチオリン酸亜鉛、などがある。 Examples of the zinc dithiophosphate generally include zinc dialkyldithiophosphate, zinc diaryldithiophosphate, zinc arylalkyldithiophosphate, and the like. For example, the zinc group of zinc dialkyldithiophosphate is a zinc dialkyldithiophosphate having an alkylaryl group substituted with a primary or secondary alkyl group having 3 to 22 carbon atoms or an alkyl group having 3 to 18 carbon atoms. used. Specific examples of zinc dialkyldithiophosphate include zinc dipropyldithiophosphate, zinc dibutyldithiophosphate, zinc dipentyldithiophosphate, zinc dihexyldithiophosphate, zinc diisopentyldithiophosphate, zinc diethylhexyldithiophosphate, zinc dioctyldithiophosphate, Zinc nonyldithiophosphate, zinc didecyldithiophosphate, zinc didodecyldithiophosphate, zinc dipropylphenyldithiophosphate, zinc dipentylphenyldithiophosphate, zinc dipropylmethylphenyldithiophosphate, zinc dinonylphenyldithiophosphate, didodecylphenyldithiophosphate Zinc, zinc didodecylphenyl dithiophosphate, and the like.
本発明においては酸化安定性を増強する目的で酸化防止剤を配合しても良い。酸化防止剤としては、潤滑油に使用されるものが実用的には好ましく、フェノール系酸化防止剤、芳香族アミン系酸化防止剤、硫黄系酸化防止剤、リン系酸化防止剤を挙げることができる。これらの酸化防止剤は、基油100質量%に対して、0.01〜5質量%の範囲で単独又は複数組み合わせて使用できる。 In the present invention, an antioxidant may be blended for the purpose of enhancing oxidation stability. As the antioxidant, those used in lubricating oils are practically preferable, and examples thereof include phenol-based antioxidants, aromatic amine-based antioxidants, sulfur-based antioxidants, and phosphorus-based antioxidants. . These antioxidants can be used singly or in combination within a range of 0.01 to 5% by mass with respect to 100% by mass of the base oil.
上記芳香族アミン系酸化防止剤としては、p,p’−ジオクチル−ジフェニルアミン(精工化学社製:ノンフレックスOD−3)、p,p’−ジ−α−メチルベンジル−ジフェニルアミン、N−p−ブチルフェニル−N−p’−オクチルフェニルアミンなどのジアルキル−ジフェニルアミン類、モノ−t−ブチルジフェニルアミン、モノオクチルジフェニルアミンなどのモノアルキルジフェニルアミン類、ジ(2,4−ジエチルフェニル)アミン、ジ(2−エチル−4−ノニルフェニル)アミンなどのビス(ジアルキルフェニル)アミン類、オクチルフェニル−1−ナフチルアミン、N−t−ドデシルフェニル−1−ナフチルアミンなどのアルキルフェニル−1−ナフチルアミン類、1−ナフチルアミン、フェニル−1−ナフチルアミン、フェニル−2−ナフチルアミン、N−ヘキシルフェニル−2−ナフチルアミン、N−オクチルフェニル−2−ナフチルアミンなどのアリール−ナフチルアミン類、N,N’−ジイソプロピル−p−フェニレンジアミン、N,N’−ジフェニル−p−フェニレンジアミンなどのフェニレンジアミン類、フェノチアジン(保土谷化学社製:Phenothiazine)、3,7−ジオクチルフェノチアジンなどのフェノチアジン類などが挙げられる。 Examples of the aromatic amine antioxidant include p, p′-dioctyl-diphenylamine (manufactured by Seiko Chemical Co., Ltd .: Nonflex OD-3), p, p′-di-α-methylbenzyl-diphenylamine, and Np-. Dialkyl-diphenylamines such as butylphenyl-Np′-octylphenylamine, monoalkyldiphenylamines such as mono-t-butyldiphenylamine and monooctyldiphenylamine, di (2,4-diethylphenyl) amine, di (2- Bis (dialkylphenyl) amines such as ethyl-4-nonylphenyl) amine, alkylphenyl-1-naphthylamines such as octylphenyl-1-naphthylamine, Nt-dodecylphenyl-1-naphthylamine, 1-naphthylamine, phenyl -1-naphthylamine, fu Aryl-naphthylamines such as nyl-2-naphthylamine, N-hexylphenyl-2-naphthylamine, N-octylphenyl-2-naphthylamine, N, N′-diisopropyl-p-phenylenediamine, N, N′-diphenyl-p -Phenylenediamines such as phenylenediamine, phenothiazines (manufactured by Hodogaya Chemical Co., Ltd .: Phenothiazine), and phenothiazines such as 3,7-dioctylphenothiazine.
フェノール系酸化防止剤としては、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(川口化学社製:アンテージDBH)、2,6−ジ−t−ブチルフェノール、2,6−ジ−t−ブチル−4−メチルフェノール、2,6−ジ−t−ブチル−4−エチルフェノールなどの2,6−ジ−t−ブチル−4−アルキルフェノール類、2,6−ジ−t−ブチル−4−メトキシフェノール、2,6−ジ−t−ブチル−4−エトキシフェノールなどの2,6−ジ−t−ブチル−4−アルコキシフェノール類がある。
また、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、n−オクタデシル−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(吉富製薬社製:ヨシノックスSS)、n−ドデシル−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’−エチルヘキシル−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、ベンゼンプロパン酸3,5−ビス(1,1−ジメチル−エチル)−4−ヒドロキシ−C7〜C9側鎖アルキルエステル(チバ・スペシャルティ・ケミカルズ社製:IrganoxL135)などのアルキル−3−(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロピオネート類、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−メチル−6−t−ブチルフェノール)(川口化学社製:アンテージW−400)、2,2’−メチレンビス(4−エチル−6−t−ブチルフェノール)(川口化学社製:アンテージW−500)などの2,2’−メチレンビス(4−アルキル−6−t−ブチルフェノール)類がある。
さらに、4,4’−ブチリデンビス(3−メチル−6−t−ブチルフェノール)(川口化学社製:アンテージW−300)、4,4’−メチレンビス(2,6−ジ−t−ブチルフェノール)(シェル・ジャパン社製:Ionox220AH)、4,4’−ビス(2,6−ジ−t−ブチルフェノール)、2,2−(ジ−p−ヒドロキシフェニル)プロパン(シェル・ジャパン社製:ビスフェノールA)、2,2−ビス(3,5−ジ−t−ブチル−4−ヒドロキシフェニル)プロパン、4,4’−シクロヘキシリデンビス(2,6−t−ブチルフェノール)、ヘキサメチレングリコールビス[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](チバ・スペシャルティ・ケミカルズ社製:IrganoxL109)、トリエチレングリコールビス[3−(3−t−ブチル−4−ヒドロキシ−5−メチルフェニル)プロピオネート](吉富製薬社製:トミノックス917)、2,2’−チオ−[ジエチル−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](チバ・スペシャルティ・ケミカルズ社製:IrganoxL115)、3,9−ビス{1,1−ジメチル−2−[3−(3−t−ブチル−4−ヒドロキシ−5−メチルフェニル)プロピオニルオキシ]エチル}2,4,8,10−テトラオキサスピロ[5,5]ウンデカン(住友化学:スミライザーGA80)、4,4’−チオビス(3−メチル−6−t−ブチルフェノール)(川口化学社製:アンテージRC)、2,2’−チオビス(4,6−ジ−t−ブチル−レゾルシン)などのビスフェノール類がある。
そして、テトラキス[メチレン−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]メタン(チバ・スペシャルティ・ケミカルズ社製:IrganoxL101)、1,1,3−トリス(2−メチル−4−ヒドロキシ−5−t−ブチルフェニル)ブタン(吉富製薬社製:ヨシノックス930)、1,3,5−トリメチル−2,4,6−トリス(3,5−ジ−t−ブチル−4−ヒドロキシベンジル)ベンゼン(シェル・ジャパン社製:Ionox330)、ビス−[3,3’−ビス−(4’−ヒドロキシ−3’−t−ブチルフェニル)ブチリックアシッド]グリコールエステル、2−(3’,5’−ジ−t−ブチル−4−ヒドロキシフェニル)メチル−4−(2”,4”−ジ−t−ブチル−3”−ヒドロキシフェニル)メチル−6−t−ブチルフェノール、2,6−ビス(2’−ヒドロキシ−3’−t−ブチル−5’−メチル−ベンジル)−4−メチルフェノールなどのポリフェノール類、p−t−ブチルフェノールとホルムアルデヒドの縮合体、p−t−ブチルフェノールとアセトアルデヒドの縮合体などのフェノールアルデヒド縮合体などが挙げられる。
Examples of phenolic antioxidants include 2-t-butylphenol, 2-t-butyl-4-methylphenol, 2-t-butyl-5-methylphenol, 2,4-di-t-butylphenol, 2,4- Dimethyl-6-t-butylphenol, 2-t-butyl-4-methoxyphenol, 3-t-butyl-4-methoxyphenol, 2,5-di-t-butylhydroquinone (manufactured by Kawaguchi Chemical Co., Ltd .: Antage DBH), 2,6-di-t-butylphenol such as 2,6-di-t-butylphenol, 2,6-di-t-butyl-4-methylphenol, 2,6-di-t-butyl-4-ethylphenol 2,6-di-t-butyl- such as -4-alkylphenols, 2,6-di-t-butyl-4-methoxyphenol, 2,6-di-t-butyl-4-ethoxyphenol - there is a alkoxy phenols.
3,5-di-t-butyl-4-hydroxybenzyl mercapto-octyl acetate, n-octadecyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate (manufactured by Yoshitomi Pharmaceutical Co., Ltd.) Yoshinox SS), n-dodecyl-3- (3,5-di-tert-butyl-4-hydroxyphenyl) propionate, 2'-ethylhexyl-3- (3,5-di-tert-butyl-4-hydroxyphenyl) ) Alkyl-3- () such as propionate, benzenepropanoic acid 3,5-bis (1,1-dimethyl-ethyl) -4-hydroxy-C7-C9 side chain alkyl ester (Ciba Specialty Chemicals: Irganox L135) 3,5-di-t-butyl-4-hydroxyphenyl) propionates, 2,6-di-t-butyl-α- Methylamino-p-cresol, 2,2′-methylenebis (4-methyl-6-t-butylphenol) (manufactured by Kawaguchi Chemical Co .: Antage W-400), 2,2′-methylenebis (4-ethyl-6-t) There are 2,2′-methylenebis (4-alkyl-6-t-butylphenol) s such as (butylphenol) (manufactured by Kawaguchi Chemical Co., Ltd .: Antage W-500).
Further, 4,4′-butylidenebis (3-methyl-6-tert-butylphenol) (manufactured by Kawaguchi Chemical Co., Ltd .: Antage W-300), 4,4′-methylenebis (2,6-di-tert-butylphenol) (shell) -Japan company make: Ionox220AH), 4,4'-bis (2,6-di-t-butylphenol), 2, 2- (di-p-hydroxyphenyl) propane (shell Japan company make: bisphenol A), 2,2-bis (3,5-di-t-butyl-4-hydroxyphenyl) propane, 4,4′-cyclohexylidenebis (2,6-t-butylphenol), hexamethylene glycol bis [3- ( 3,5-di-t-butyl-4-hydroxyphenyl) propionate] (manufactured by Ciba Specialty Chemicals: Irganox L109), triethyl Renglycol bis [3- (3-t-butyl-4-hydroxy-5-methylphenyl) propionate] (manufactured by Yoshitomi Pharmaceutical: Tominox 917), 2,2′-thio- [diethyl-3- (3 5-di-t-butyl-4-hydroxyphenyl) propionate] (manufactured by Ciba Specialty Chemicals: Irganox L115), 3,9-bis {1,1-dimethyl-2- [3- (3-t-butyl -4-hydroxy-5-methylphenyl) propionyloxy] ethyl} 2,4,8,10-tetraoxaspiro [5,5] undecane (Sumitomo Chemical: Sumilizer GA80), 4,4'-thiobis (3-methyl -6-t-butylphenol) (manufactured by Kawaguchi Chemical Co., Ltd .: Antage RC), bis such as 2,2′-thiobis (4,6-di-t-butyl-resorcin) There is a phenol compound.
Tetrakis [methylene-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate] methane (manufactured by Ciba Specialty Chemicals: Irganox L101), 1,1,3-tris (2-methyl) -4-hydroxy-5-t-butylphenyl) butane (Yoshitomi Pharmaceutical Co., Ltd .: Yoshinox 930), 1,3,5-trimethyl-2,4,6-tris (3,5-di-t-butyl-4 -Hydroxybenzyl) benzene (manufactured by Shell Japan: Ionox 330), bis- [3,3′-bis- (4′-hydroxy-3′-t-butylphenyl) butyric acid] glycol ester, 2- (3 ', 5'-di-tert-butyl-4-hydroxyphenyl) methyl-4- (2 ", 4" -di-tert-butyl-3 "-hydroxyphenyl) methyl Of polyphenols such as -6-tert-butylphenol, 2,6-bis (2'-hydroxy-3'-tert-butyl-5'-methyl-benzyl) -4-methylphenol, pt-butylphenol and formaldehyde Examples include condensates and phenol aldehyde condensates such as a condensate of pt-butylphenol and acetaldehyde.
硫黄系酸化防止剤としては、ジドデシルサルファイド、ジオクタデシルサルファイドなどのジアルキルサルファイド類、ジドデシルチオジプロピオネート、ジオクタデシルチオジプロピオネート、ジミリスチルチオジプロピオネート、ドデシルオクタデシルチオジプロピオネートなどのチオジプロピオン酸エステル類、2−メルカプトベンゾイミダゾールなどが挙げられる。 Examples of sulfur-based antioxidants include dialkyl sulfides such as didodecyl sulfide and dioctadecyl sulfide, didodecyl thiodipropionate, dioctadecyl thiodipropionate, dimyristyl thiodipropionate, and dodecyl octadecyl thiodipropionate. Examples include thiodipropionic acid esters and 2-mercaptobenzimidazole.
リン系酸化防止剤として、トリフェニルフォスファイト、トリクレジルフォスファイトなどのトリアリールフォスファイト類、トリオクタデシルフォスファイト、トリデシルフォスファイトなどのトリアルキルフォスファイト類、トリドデシルトリチオフォスファイトなどが挙げられる。 Examples of phosphorus antioxidants include triaryl phosphites such as triphenyl phosphite and tricresyl phosphite, trialkyl phosphites such as trioctadecyl phosphite and tridecyl phosphite, and tridodecyl trithiophosphite. It is done.
本発明において、金属材料との適合性を増強する目的で、金属腐食防止剤を配合することができる。本発明の組成物と併用できる金属不活性剤としては、ベンゾトリアゾール、4−メチル−ベンゾトリアゾール、4−エチル−ベンゾトリアゾールなどの4−アルキル−ベンゾトリアゾール類、5−メチル−ベンゾトリアゾール、5−エチル−ベンゾトリアゾールなどの5−アルキル−ベンゾトリアゾール、1−ジオクチルアミノメチル−2,3−ベンゾトリアゾールなどの1−アルキル−ベンゾトリアゾール類、1−ジオクチルアミノメチル−2,3−トルトリアゾールなどの1−アルキル−トルトリアゾール類等のベンゾトリアゾール誘導体、ベンゾイミダゾール、2−(オクチルジチオ)−ベンゾイミダゾール、2−(デシルジチオ)−ベンゾイミダゾール、2−(ドデシルジチオ)−ベンゾイミダゾールなどの2−(アルキルジチオ)−ベンゾイミダゾール類、2−(オクチルジチオ)−トルイミダゾール、2−(デシルジチオ)−トルイミダゾール、2−(ドデシルジチオ)−トルイミダゾールなどの2−(アルキルジチオ)−トルイミダゾール類等のベンゾイミダゾール誘導体がある。
また、インダゾール、4−アルキル−インダゾール、5−アルキル−インダゾールなどのトルインダゾール類等のインダゾール誘導体、ベンゾチアゾール、2−メルカプトベンゾチアゾール誘導体(千代田化学社製:チオライトB−3100)、2−(ヘキシルジチオ)ベンゾチアゾール、2−(オクチルジチオ)ベンゾチアゾールなどの2−(アルキルジチオ)ベンゾチアゾール類、2−(ヘキシルジチオ)トルチアゾール、2−(オクチルジチオ)トルチアゾールなどの2−(アルキルジチオ)トルチアゾール類、2−(N,N−ジエチルジチオカルバミル)ベンゾチアゾール、2−(N,N−ジブチルジチオカルバミル)−ベンゾチアゾール、2−(N,N−ジヘキシルジチオカルバミル)−ベンゾチアゾールなど2−(N,N−ジアルキルジチオカルバミル)ベンゾチアゾール類、2−(N,N−ジエチルジチオカルバミル)トルチアゾール、2−(N,N−ジブチルジチオカルバミル)トルチアゾール、2−(N,N−ジヘキシルジチオカルバミル)トルチアゾールなどの2−(N,N−ジアルキルジチオカルバミル)−トルゾチアゾール類等のベンゾチアゾール誘導体がある。
さらに、2−(オクチルジチオ)ベンゾオキサゾール、2−(デシルジチオ)ベンゾオキサゾール、2−(ドデシルジチオ)ベンゾオキサゾールなどの2−(アルキルジチオ)−ベンゾオキサゾール類、2−(オクチルジチオ)トルオキサゾール、2−(デシルジチオ)トルオキサゾール、2−(ドデシルジチオ)トルオキサゾールなどの2−(アルキルジチオ)トルオキサゾール類等のベンゾオキサゾール誘導体、2,5−ビス(ヘプチルジチオ)−1,3,4−チアジアゾール、2,5−ビス(ノニルジチオ)−1,3,4−チアジアゾール、2,5−ビス(ドデシルジチオ)−1,3,4−チアジアゾール、2,5−ビス(オクタデシルジチオ)−1,3,4−チアジアゾールなどの2,5−ビス(アルキルジチオ)−1,3,4−チアジアゾール類、2,5−ビス(N,N−ジエチルジチオカルバミル)−1,3,4−チアジアゾール、2,5−ビス(N,N−ジブチルジチオカルバミル)−1,3,4−チアジアゾール、2,5−ビス(N,N−ジオクチルジチオカルバミル)−1,3,4−チアジアゾールなどの2,5−ビス(N,N−ジアルキルジチオカルバミル)−1,3,4−チアジアゾール類、2−N,N−ジブチルジチオカルバミル−5−メルカプト−1,3,4−チアジアゾール、2−N,N−ジオクチルジチオカルバミル−5−メルカプト−1,3,4−チアジアゾールなどの2−N,N−ジアルキルジチオカルバミル−5−メルカプト−1,3,4−チアジアゾール類等のチアジアゾール誘導体、1−ジ−オクチルアミノメチル−2,4−トリアゾールなどの1−アルキル−2,4−トリアゾール類等のトリアゾール誘導体などが挙げられる。
これらの金属不活性剤は、基油100質量%に対して、0.01〜0.5質量%の範囲で単独又は複数組み合わせて使用できる。
In the present invention, a metal corrosion inhibitor can be blended for the purpose of enhancing compatibility with a metal material. Metal deactivators that can be used in conjunction with the compositions of the present invention include 4-alkyl-benzotriazoles such as benzotriazole, 4-methyl-benzotriazole, 4-ethyl-benzotriazole, 5-methyl-benzotriazole, 5- 5-alkyl-benzotriazoles such as ethyl-benzotriazole, 1-alkyl-benzotriazoles such as 1-dioctylaminomethyl-2,3-benzotriazole, 1 such as 1-dioctylaminomethyl-2,3-toltriazole -2- (alkyldithio) such as benzotriazole derivatives such as alkyl-tolutriazoles, benzimidazole, 2- (octyldithio) -benzimidazole, 2- (decyldithio) -benzimidazole, 2- (dodecyldithio) -benzimidazole ) Benzimidazole derivatives such as 2- (alkyldithio) -toluimidazoles such as benzimidazoles, 2- (octyldithio) -toluimidazole, 2- (decyldithio) -toluimidazole, 2- (dodecyldithio) -toluimidazole, etc. is there.
Indazole derivatives such as tolindazoles such as indazole, 4-alkyl-indazole, 5-alkyl-indazole, benzothiazole, 2-mercaptobenzothiazole derivative (manufactured by Chiyoda Chemical Co., Ltd .: Thiolite B-3100), 2- (hexyl) 2- (Alkyldithio) benzothiazoles such as dithio) benzothiazole, 2- (octyldithio) benzothiazole, 2- (alkyldithio) such as 2- (hexyldithio) tolthiazole, 2- (octyldithio) tolthiazole Tolthiazoles, 2- (N, N-diethyldithiocarbamyl) benzothiazole, 2- (N, N-dibutyldithiocarbamyl) -benzothiazole, 2- (N, N-dihexyldithiocarbamyl) -benzothiazole 2- (N, N-dia Kirdithiocarbamyl) benzothiazoles, 2- (N, N-diethyldithiocarbamyl) tolthiazole, 2- (N, N-dibutyldithiocarbamyl) tolthiazole, 2- (N, N-dihexyldithiocarbamyl) ) There are benzothiazole derivatives such as 2- (N, N-dialkyldithiocarbamyl) -torzothiazoles such as tolthiazole.
Furthermore, 2- (alkyldithio) -benzoxazoles such as 2- (octyldithio) benzoxazole, 2- (decyldithio) benzoxazole, 2- (dodecyldithio) benzoxazole, 2- (octyldithio) toluoxazole, 2 Benzoxazole derivatives such as 2- (alkyldithio) toluazoles such as-(decyldithio) toluxazole and 2- (dodecyldithio) toluxazole, 2,5-bis (heptyldithio) -1,3,4-thiadiazole, 2 , 5-bis (nonyldithio) -1,3,4-thiadiazole, 2,5-bis (dodecyldithio) -1,3,4-thiadiazole, 2,5-bis (octadecyldithio) -1,3,4 2,5-bis (alkyldithio) -1,3,4-thio such as thiadiazole Diazoles, 2,5-bis (N, N-diethyldithiocarbamyl) -1,3,4-thiadiazole, 2,5-bis (N, N-dibutyldithiocarbamyl) -1,3,4-thiadiazole 2,5-bis (N, N-dialkyldithiocarbamyl) -1,3,4-thiadiazoles such as 2,5-bis (N, N-dioctyldithiocarbamyl) -1,3,4-thiadiazole 2-N, N-dibutyldithiocarbamyl-5-mercapto-1,3,4-thiadiazole, 2-N, N-dioctyldithiocarbamyl-5-mercapto-1,3,4-thiadiazole Thiadiazole derivatives such as N, N-dialkyldithiocarbamyl-5-mercapto-1,3,4-thiadiazoles, 1-di-octylaminomethyl-2,4-triazol Like 1-alkyl-2,4-triazole derivative of triazoles such like.
These metal deactivators can be used singly or in combination within a range of 0.01 to 0.5% by mass with respect to 100% by mass of the base oil.
上記した成分のほかに更に性能を向上させるため、必要に応じて種々の添加剤を適宜使用することができる。これらのものとしては、消泡剤、粘度指数向上剤、流動点降下剤、清浄分散剤、防錆剤、抗乳化剤等や、その他の公知の潤滑油添加剤を挙げることができる。 In addition to the above-described components, various additives can be appropriately used as necessary in order to further improve the performance. These include antifoaming agents, viscosity index improvers, pour point depressants, cleaning dispersants, rust inhibitors, demulsifiers, and other known lubricating oil additives.
本発明の潤滑油組成物に対して、低温流動性や粘度特性を向上させるために、流動点降下剤や粘度指数向上剤を添加することができる。粘度指数向上剤としては、例えばポリメタクリレート類やエチレン−プロピレン共重合体、スチレン−ジエン共重合体、ポリイソブチレン、ポリスチレンなどのオレフィンポリマー類等の非分散型粘度指数向上剤や、これらに含窒素モノマーを共重合させた分散型粘度指数向上剤等が挙げられる。その添加量は、基油100質量%に対して、0.05〜20質量%の範囲で使用できる。流動点降下剤としては、例えばポリメタクリレート系のポリマーが挙げられる。その添加量は、基油100質量%に対して、0.01〜5質量%の範囲で使用できる。 A pour point depressant and a viscosity index improver can be added to the lubricating oil composition of the present invention in order to improve low temperature fluidity and viscosity characteristics. Examples of the viscosity index improver include non-dispersed viscosity index improvers such as polymethacrylates, ethylene-propylene copolymers, styrene-diene copolymers, polyisobutylene, polystyrene and other olefin polymers, and nitrogen-containing compounds. Examples thereof include a dispersion type viscosity index improver obtained by copolymerizing monomers. The addition amount can be used in the range of 0.05 to 20% by mass with respect to 100% by mass of the base oil. Examples of the pour point depressant include polymethacrylate polymers. The addition amount can be used in the range of 0.01 to 5% by mass with respect to 100% by mass of the base oil.
本発明の潤滑油組成物に対して、消泡性を付与するために、消泡剤を添加しても良い。本発明に適した消泡剤として、例えばジメチルポリシロキサン、ジエチルシリケート、フルオロシリコーン等のオルガノシリケート類、ポリアルキルアクリレート等の非シリコーン系消泡剤が挙げられる。その添加量は、基油100質量%に対して、0.0001〜0.1質量%の範囲で単独又は複数組み合わせて使用できる。
また、抗乳化剤として、通常潤滑油添加剤として使用される公知のものが使用でき、その添加量は、基油100質量%に対して、0.0005〜0.5質量%の範囲で使用できる。
In order to impart antifoaming properties to the lubricating oil composition of the present invention, an antifoaming agent may be added. Examples of antifoaming agents suitable for the present invention include organosilicates such as dimethylpolysiloxane, diethyl silicate and fluorosilicone, and non-silicone antifoaming agents such as polyalkyl acrylate. The addition amount can be used alone or in combination within a range of 0.0001 to 0.1% by mass with respect to 100% by mass of the base oil.
Moreover, as an anti-emulsifier, the well-known thing normally used as a lubricating oil additive can be used, The addition amount can be used in 0.0005-0.5 mass% with respect to 100 mass% of base oil. .
以下本発明について、実施例及び比較例を挙げて具体的に説明するが、本発明はこれらの実施例のみに限定されるものではない。
実施例及び比較例の調製にあたり、下記の組成材料を用意した。
1.基油
(1−1) 基油1:原油を常圧蒸留して得られた潤滑油留分に対して、水素化分解、脱ろうなどの精製手段を適宜組み合わせて適用することにより得られたパラフィン系鉱油で、API(米国石油協会)基油分類によりグループ2(Gp2)に分類されるもの。(特性:100℃における動粘度;5.35mm2/s、40℃における動粘度;31.4mm2/s、粘度指数;103、15℃密度;0.864、硫黄分含有量(硫黄元素換算値);10ppm未満、窒素分含有量(窒素元素換算値);1ppm未満、アニリン点;110℃、ASTM D3238法による環分析のパラフィン分;62%、同ナフテン分;38%、同アロマ分;1%未満、ASTM D5480法によるガスクロ蒸留による初留点温度;312℃)
(1−2) 基油2:フィッシャートロプッシュ法により合成されたGTL基油で、API基油分類によりグループ3に分類されるもの。(特性:100℃における動粘度;5.10mm2/s、40℃における動粘度;23.5mm2/s、粘度指数;153、15℃密度;0.821、硫黄分含有量(硫黄元素換算値);10ppm未満、窒素分含有量(窒素元素換算値);1ppm未満、ASTM D3238法による環分析のアロマ分:1%未満)
2.添加剤
(2−1) 添加剤A:アスパラギン酸誘導体:N−1オキソ−3カルボニルオキシプロピル−N−3オクチルオキシプロピル−アスパラギン酸ジイソブチルエステル、N−1オキソ−3カルボニルオキシプロピル−N−3デシルオキシプロピル−アスパラギン酸ジイソブチルエステル、N−1オキソ−3カルボニルオキシプロピル−N−3ドデシルオキシプロピル−アスパラギン酸ジイソブチルエステル、N−1オキソ−3カルボニルオキシプロピル−N−3テトラデシルオキシプロピル−アスパラギン酸ジイソブチルエステルの混合物(JIS K2501法による酸価:100mgKOH/g)
(2−2) 添加剤B:コハク酸誘導体:テトラプロペニルコハク酸,1,3−プロパンジオールハーフエステル (JIS K2501法による酸価:160mgKOH/g)
(2−3) 添加剤C1:チオリン酸エステル化合物: 3−(ジ−イソブトキシ−チオホスホリルスルファニル)−2−メチル−プロピオン酸 (JIS K2501法による酸価:160mgKOH/g)
(2−4) 添加剤C2:チオリン酸エステル化合物: エチル−3−[[ビス(1−メチルエトキシ)フォスフィノチオイル]チオ]プロピオネート(JIS K2501法による酸価:9.6mgKOH/g)
(2−5) 添加剤D1:アミン: N−アルケニルジエタノールアミン(主成分はN−オレイルジエタノールアミン);3級アミン化合物(JIS K2501法による塩基価:160mgKOH/g)
(2−6) 添加剤D2:アミド: イソステアリン酸トリエチレンテトラミド(JIS K2501法による塩基価:7.2mgKOH/g)
(2−7) 添加剤D3:エステル: ペンタエリスリトールオレート(主成分はペンタエリスリトールジオレート)(JIS K0070による水酸基価:200mgKOH/g)
EXAMPLES Hereinafter, although an Example and a comparative example are given and this invention is demonstrated concretely, this invention is not limited only to these Examples.
In preparing Examples and Comparative Examples, the following composition materials were prepared.
1. Base oil (1-1) Base oil 1: It was obtained by applying a suitable combination of refining means such as hydrocracking and dewaxing to a lubricating oil fraction obtained by atmospheric distillation of crude oil. Paraffinic mineral oil classified as Group 2 (Gp2) by API (American Petroleum Institute) base oil classification. (Characteristics: Kinematic viscosity at 100 ° C .; 5.35 mm 2 / s, kinematic viscosity at 40 ° C .; 31.4 mm 2 / s, viscosity index; 103, 15 ° C. density; 0.864, sulfur content (in terms of elemental sulfur) Value); less than 10 ppm, nitrogen content (nitrogen element conversion value); less than 1 ppm, aniline point; 110 ° C., paraffin content of ring analysis by ASTM D3238 method; 62%, naphthene content; 38%, same aroma content; (Less than 1%, initial boiling point temperature by gas chromatography by ASTM D5480 method; 312 ° C.)
(1-2) Base oil 2: GTL base oil synthesized by the Fischer-Tropsch method and classified into group 3 by API base oil classification. (Characteristics:; kinematic viscosity at 5.10mm 2 / s, 40 ℃; kinematic viscosity at 100 ℃ 23.5mm 2 / s, viscosity index; 153,15 ° C. Density; 0.821, sulfur content (terms of the sulfur element Value); less than 10 ppm, nitrogen content (nitrogen element conversion value); less than 1 ppm, aroma content of ring analysis by ASTM D3238 method: less than 1%)
2. Additive
(2-1) Additive A: Aspartic acid derivative: N-1 oxo-3carbonyloxypropyl-N-3 octyloxypropyl-aspartic acid diisobutyl ester, N-1 oxo-3carbonyloxypropyl-N-3 decyloxy Propyl-aspartic acid diisobutyl ester, N-1 oxo-3carbonyloxypropyl-N-3 dodecyloxypropyl-aspartic acid diisobutyl ester, N-1 oxo-3carbonyloxypropyl-N-3 tetradecyloxypropyl-diisobutyl aspartate Mixture of esters (acid value according to JIS K2501 method: 100 mg KOH / g)
(2-2) Additive B: Succinic acid derivative: Tetrapropenyl succinic acid, 1,3-propanediol half ester (Acid value by JIS K2501 method: 160 mgKOH / g)
(2-3) Additive C1: Thiophosphate compound: 3- (Di-isobutoxy-thiophosphorylsulfanyl) -2-methyl-propionic acid (Acid value according to JIS K2501 method: 160 mgKOH / g)
(2-4) Additive C2: Thiophosphate Compound: Ethyl-3-[[Bis (1-methylethoxy) phosphinothioyl] thio] propionate (Acid Value by JIS K2501 Method: 9.6 mgKOH / g)
(2-5) Additive D1: Amine: N-alkenyldiethanolamine (main component is N-oleyldiethanolamine); tertiary amine compound (base number according to JIS K2501 method: 160 mgKOH / g)
(2-6) Additive D2: Amide: Isostearic acid triethylenetetramide (base number according to JIS K2501 method: 7.2 mgKOH / g)
(2-7) Additive D3: Ester: Pentaerythritol oleate (main component is pentaerythritol diolate) (hydroxyl value according to JIS K0070: 200 mgKOH / g)
(実施例1〜6、比較例1〜4)
上記した組成材料を用いて、表1〜表3に示す組成(質量%)により実施例1〜6、比較例1〜4の潤滑油組成物を調製した。
(Examples 1-6, Comparative Examples 1-4)
Lubricating oil compositions of Examples 1 to 6 and Comparative Examples 1 to 4 were prepared with the compositions (mass%) shown in Tables 1 to 3 using the composition materials described above.
(試験)
上記実施例1〜6及び比較例1〜4の各潤滑油組成物について、その性能を見るために以下の試験を行った。
(test)
The following tests were conducted on the lubricating oil compositions of Examples 1 to 6 and Comparative Examples 1 to 4 to see the performance.
(錆止め性試験)
JIS K2510に則り、恒温槽内に設置した容器に、試験油300mlを採取し、毎分1000回転で攪拌し、60℃になったときに鉄製の試験片を試験油中に挿入し、更に人工海水を30ml加え、60℃に保ったまま24時間攪拌を続ける。その後試験片を取り出し、試験片の錆の発生有無を目視で評価し、錆が発生しなかった場合を合格とした。
(Rust prevention test)
In accordance with JIS K2510, 300 ml of test oil is collected in a container installed in a thermostatic bath, stirred at 1000 rpm, and when the temperature reaches 60 ° C., an iron test piece is inserted into the test oil. Add 30 ml of seawater and continue stirring for 24 hours while maintaining the temperature at 60 ° C. Thereafter, the test piece was taken out, and the presence or absence of rust generation on the test piece was visually evaluated.
(FZG歯車試験)
ASTM D5182試験法に則り実施した。一対の平歯車に捻じり荷重をかけ、歯面に損傷が認められるまで荷重を増加しながら潤滑油の極圧性を評価するもので、歯面に損傷が発生した荷重ステージを不合格ステージとした。不合格ステージ1は歯面荷重が99Nで歯面に損傷が発生したことを意味しており、同様に不合格ステージ2は407N、不合格ステージ3は1044N、不合格ステージ4は1799N、不合格ステージ5は2786N、不合格ステージ6は4007N、不合格ステージ7は5435N、不合格ステージ8は7080N、不合格ステージ9は8949N、不合格ステージ10は11029N、不合格ステージ11は13342N、不合格ステージ12は15826Nで歯面損傷が発生したことを意味している。本試験法の最大荷重のステージ12でも歯面に損傷が発生しなかった場合は12以上と記した。損傷時の歯面荷重が大きいもの、すなわち不合格ステージ値が大きいものが極圧性に優れている。なお社団法人日本建設機械化協会規格(JCMAS)の建設機械用油圧作動油規格では、不合格ステージは8以上と決められている。
(FZG gear test)
The test was conducted according to the ASTM D5182 test method. A torsional load is applied to a pair of spur gears, and the extreme pressure property of the lubricating oil is evaluated while increasing the load until the tooth surface is damaged. . Failed stage 1 means that the tooth surface load was 99N and the tooth surface was damaged. Similarly, Failed stage 2 was 407N, Failed stage 3 was 1044N, Failed stage 4 was 1799N, Failed. Stage 5 is 2786N, Fail stage 6 is 4007N, Fail stage 7 is 5435N, Fail stage 8 is 7080N, Fail stage 9 is 8949N, Fail stage 10 is 11029N, Fail stage 11 is 13342N, Fail stage 12 indicates that tooth surface damage occurred at 15826N. When the tooth surface was not damaged even at the maximum load stage 12 of this test method, it was marked as 12 or more. Those having a large tooth load at the time of damage, that is, those having a large reject stage value, are excellent in extreme pressure properties. According to the Japan Construction Mechanization Association Standard (JCMAS) hydraulic fluid standard for construction machinery, the number of rejected stages is determined to be 8 or more.
(シェル四球耐荷重能試験)
石油学会規格(JPI−5S−40−93)試験法に則り、シェル四球耐荷重能試験機を用いて、試験油の最大非焼付き荷重(LNL)および融着荷重(WL)を測定した。試験結果の荷重値が大きいものが極圧性に優れている。
(Shell four-ball load bearing test)
In accordance with the Petroleum Institute Standard (JPI-5S-40-93) test method, the maximum non-seizure load (LNL) and fusion load (WL) of the test oil were measured using a shell four-ball load capacity tester. A large load value of the test result is excellent in extreme pressure.
(試験結果)
各試験の結果を表1〜表3に示す。
(Test results)
The results of each test are shown in Tables 1 to 3.
(考察)
実施例1及び実施例2では、アスパラギン酸誘導体(添加剤A)とコハク酸誘導体(添加剤B)を併用することにより、合計で0.03質量%と添加量が少ないにも拘わらず良好な防錆性を有している。そして、実施例1では、チオリン酸エステル(極圧添加剤・添加剤C1)が効果的に効いていて、FZG歯車試験の不合格ステージが12、シェル四球耐荷重能試験の最大非焼付き荷重(LNL)が100kgf、融着荷重(WL)が160kgfと優れた極圧性を示している。また、実施例2では基油をGTLに変更したところ、FZG歯車試験の不合格ステージが12以上と、更に優れた極圧性を示している。実施例3の別のチオリン酸エステル(極圧添加剤・添加剤C2)を使用した場合にも同様に良好な極圧性が得られる。このようにアスパラギン酸誘導体、コハク酸誘導体及びチオリン酸エステルを同時に用いることにより少量で、防錆性と極圧性に優れた潤滑油組成物が得られることが判る。
また、アスパラギン酸誘導体、コハク酸誘導体及びチオリン酸エステルの組み合わせに、アミン化合物(添加剤D1:実施例4)、アミド化合物(添加剤D2:実施例5)、エステル化合物(添加剤D3:実施例6)をそれぞれ添加した場合も、良好な防錆性と極圧性を有している。
一方、比較例1及び比較例2のように、アスパラギン酸誘導体(添加剤A)を単独で用いた場合には、比較例2のようにアスパラギン酸誘導体を0.08質量%と、実施例1の5.3倍以上を配合したときに初めて良好な防錆性が得られている。しかし、比較例2ではチオリン酸エステル(添加剤C1)の使用量が同じであっても、FZG歯車試験の不合格ステージが7、シェル四球耐荷重能試験の最大非焼付き荷重(LNL)が80kgf、融着荷重(WL)が126kgfと極圧性は実施例1に比べて未だ低い。
また、比較例3及び比較例4のように、コハク酸誘導体(添加剤B)を単独で用いた場合にはコハク酸誘導体を0.07質量%と、実施例1の4.6倍以上を配合したときに初めて良好な防錆性が得られている。しかし、この比較例4ではチオリン酸エステル(添加剤C1)の使用量が同じであっても、FZG歯車試験の不合格ステージが4、シェル四球耐荷重能試験の最大非焼付き荷重(LNL)が63kgf、融着荷重(WL)が126kgfと極圧性は実施例1に比べて低いことが判る。
なお、比較例1及び比較例3では錆が発生したので、FZG歯車試験やシェル四球耐荷重能試験は行わなかった。
(Discussion)
In Example 1 and Example 2, by using the aspartic acid derivative (additive A) and the succinic acid derivative (additive B) in combination, the total amount is 0.03% by mass, which is good despite being small. Has rust prevention. In Example 1, the thiophosphate ester (extreme pressure additive / additive C1) is effective, the failure stage of the FZG gear test is 12, the maximum non-seizure load of the shell four-ball load bearing test (LNL) is 100 kgf, and the fusion load (WL) is 160 kgf. Moreover, in Example 2, when the base oil was changed to GTL, the rejection stage of the FZG gear test was 12 or more, indicating a further excellent extreme pressure property. When another thiophosphate ester (extreme pressure additive / additive C2) of Example 3 is used, good extreme pressure properties can be obtained similarly. Thus, it can be seen that a lubricating oil composition excellent in rust resistance and extreme pressure can be obtained in a small amount by simultaneously using an aspartic acid derivative, a succinic acid derivative and a thiophosphate.
Moreover, an amine compound (additive D1: Example 4), an amide compound (additive D2: Example 5), and an ester compound (additive D3: Example) are combined with an aspartic acid derivative, a succinic acid derivative, and a thiophosphate ester. Even when each of 6) is added, it has good antirust properties and extreme pressure properties.
On the other hand, when the aspartic acid derivative (additive A) was used alone as in Comparative Example 1 and Comparative Example 2, the amount of the aspartic acid derivative was 0.08% by mass as in Comparative Example 2, Example 1 Good anticorrosive properties are obtained only when 5.3 times or more of the above is blended. However, in Comparative Example 2, even if the use amount of thiophosphate (additive C1) is the same, the failure stage of the FZG gear test is 7, and the maximum non-seizure load (LNL) of the shell four-ball load bearing capacity test is 80 kgf and the fusion load (WL) are 126 kgf, and the extreme pressure property is still lower than that of Example 1.
Further, as in Comparative Example 3 and Comparative Example 4, when the succinic acid derivative (Additive B) was used alone, the succinic acid derivative was 0.07% by mass, 4.6 times that of Example 1 or more. Good rust resistance is obtained for the first time when it is blended. However, in Comparative Example 4, even if the amount of thiophosphate (additive C1) used is the same, the failure stage of the FZG gear test is 4, and the maximum non-seizure load (LNL) of the shell four-ball load capacity test 63 kgf, the fusion load (WL) is 126 kgf, and it can be seen that the extreme pressure property is lower than that of Example 1.
In Comparative Example 1 and Comparative Example 3, since rust was generated, the FZG gear test and the shell four-ball load capacity test were not performed.
Claims (8)
一般式(5)に示される一級アミン
[化1]
(上記一般式5中、X13は炭素数1〜30のアルキル基若しくはアルケニル基である。)、
一般式(6)に示される二級アミン
[化2]
(上記一般式6中、X14およびX15は炭素数1〜30のアルキル基若しくはアルケニル基である。)、
一般式(7)に示される三級アミン
[化3]
(上記一般式7中、X21は炭素数1〜30のアルキル基若しくはアルケニル基であり、X22、X23は炭素数1〜20のアルキル基、アルケニル基若しくはヒドロキシアルキル基である。)、
一般式(8)に示されるジアミン
[化4]
(上記一般式8中、X18は炭素数1〜30のアルキル基若しくはアルケニル基であり、X19は炭素数1〜12のアルキレン基である。)、
一般式(9)に示される脂肪酸とモノアミンまたはポリアミンによる生成物であるアミド化合物
[化5]
(上記一般式9中、X20は炭素数1〜30のアルキル基若しくはアルケニル基である。)、並びに、グリセロール,ソルビトール,アルキレングリコール,ネオペンチルグリコール,トリメチロールプロパン,ペンタエリスリトール又はキシリトールと、炭素数6〜30の飽和または不飽和脂肪酸の部分または完全エステル、及び菜種油,大豆油,アマニ油,ヒマシ油,ヤシ油,パーム油,パーム核油,ひまわり油,米ぬか油,サフラワー油,牛脂又は豚脂の脂肪酸のエステルをエポキシ化したエポキシ化エステル化合物、
から成る群より選ばれる少なくとも1種を含有することを特徴とする請求項1に記載の潤滑油組成物。 Further, a primary amine represented by the general formula (5) as an additive [Chemical Formula 1]
(In the above general formula 5, X 13 is an alkyl or alkenyl group having 1 to 30 carbon atoms),
Secondary amine represented by general formula (6)
(In the above general formula 6, X 14 and X 15 are alkyl groups or alkenyl groups having 1 to 30 carbon atoms),
Tertiary amine represented by the general formula (7)
(In the above general formula 7, X 21 is an alkyl group or alkenyl group having 1 to 30 carbon atoms, and X 22 and X 23 are an alkyl group, alkenyl group or hydroxyalkyl group having 1 to 20 carbon atoms).
Diamine represented by the general formula (8) [Chemical Formula 4]
(In the above general formula 8, X 18 is an alkyl or alkenyl group having 1 to 30 carbon atoms, and X 19 is an alkylene group having 1 to 12 carbon atoms),
Amide compound which is a product of fatty acid represented by general formula (9) and monoamine or polyamine [Chemical Formula 5]
(In the above general formula 9, X 20 is an alkyl group or alkenyl group having 1 to 30 carbon atoms.), Glycerol, sorbitol, alkylene glycol, neopentyl glycol, trimethylolpropane, pentaerythritol or xylitol, and carbon Partial or complete esters of saturated or unsaturated fatty acids of 6 to 30 and rapeseed oil, soybean oil, linseed oil, castor oil, coconut oil, palm oil, palm kernel oil, sunflower oil, rice bran oil, safflower oil, beef tallow or An epoxidized ester compound obtained by epoxidizing fatty acid esters of pork fat,
The lubricating oil composition according to claim 1, comprising at least one selected from the group consisting of:
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US8921288B2 (en) | 2009-02-18 | 2014-12-30 | The Lubrizol Corporation | Composition containing ester compounds and a method of lubricating an internal combustion engine |
JP5702589B2 (en) * | 2009-12-10 | 2015-04-15 | 昭和シェル石油株式会社 | Lubricating oil composition |
JP2011140642A (en) * | 2009-12-10 | 2011-07-21 | Showa Shell Sekiyu Kk | Lubricating oil composition |
JP2011168648A (en) * | 2010-02-16 | 2011-09-01 | Showa Shell Sekiyu Kk | Lubricating oil composition |
JP5654788B2 (en) * | 2010-07-02 | 2015-01-14 | 昭和シェル石油株式会社 | Calibration fluid composition |
EP2395068A1 (en) * | 2011-06-14 | 2011-12-14 | Shell Internationale Research Maatschappij B.V. | Lubricating composition |
JP5879168B2 (en) * | 2012-03-23 | 2016-03-08 | 出光興産株式会社 | Lubricating oil composition for shock absorbers |
JP5965231B2 (en) * | 2012-07-12 | 2016-08-03 | 出光興産株式会社 | Lubricating oil composition for shock absorbers |
EP3077488B1 (en) * | 2013-12-06 | 2023-11-01 | Basf Se | Composition and method of forming the same |
JP6513698B2 (en) * | 2014-11-04 | 2019-05-15 | Jxtgエネルギー株式会社 | Refrigeration oil |
EP3423554B1 (en) * | 2016-03-03 | 2022-08-10 | The Lubrizol Corporation | Lubricating oil composition having improved air release |
US11149202B1 (en) | 2016-12-13 | 2021-10-19 | Ecolab Usa Inc. | Tetracarboxylic acid combinations for corrosion inhibition |
JP2023151621A (en) * | 2022-03-31 | 2023-10-16 | 出光興産株式会社 | Lubricant composition |
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US3687852A (en) * | 1970-12-17 | 1972-08-29 | Texaco Inc | Automatic transmission fluid and method |
US3852205A (en) * | 1973-11-05 | 1974-12-03 | Texaco Inc | Transmission fluid compositions and method |
FR2588267B1 (en) * | 1985-10-03 | 1988-02-05 | Elf France | ADDITIVES TO LUBRICATING OILS COMPRISING A METAL SALT OF AN AMINO ACID, THEIR PREPARATION METHOD AND LUBRICATING COMPOSITIONS CONTAINING SAID ADDITIVES |
GB8929096D0 (en) * | 1989-12-22 | 1990-02-28 | Ethyl Petroleum Additives Ltd | Metal free lubricants |
DE69432153T2 (en) * | 1993-12-20 | 2003-11-27 | Infineum Usa Lp | INCREASING THE FRICTION RESISTANCE OF POWER TRANSFER LIQUIDS BY USING OIL-SOLUBLE COMPETITIVE ADDITIVES |
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JP4608129B2 (en) * | 2001-05-11 | 2011-01-05 | 昭和シェル石油株式会社 | Lubricating oil composition |
JP2006265494A (en) * | 2005-03-25 | 2006-10-05 | Nippon Oil Corp | Lubricating oil composition |
JP5363722B2 (en) * | 2006-12-01 | 2013-12-11 | 昭和シェル石油株式会社 | Grease composition |
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