WO2021193869A1 - 潤滑油組成物 - Google Patents
潤滑油組成物 Download PDFInfo
- Publication number
- WO2021193869A1 WO2021193869A1 PCT/JP2021/012722 JP2021012722W WO2021193869A1 WO 2021193869 A1 WO2021193869 A1 WO 2021193869A1 JP 2021012722 W JP2021012722 W JP 2021012722W WO 2021193869 A1 WO2021193869 A1 WO 2021193869A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lubricating oil
- mass
- oil composition
- thiadiazole
- preferable
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 121
- 239000000314 lubricant Substances 0.000 title abstract 4
- 150000008301 phosphite esters Chemical class 0.000 claims abstract description 40
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 22
- 150000004867 thiadiazoles Chemical class 0.000 claims abstract description 22
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 21
- 239000010687 lubricating oil Substances 0.000 claims description 118
- 150000001875 compounds Chemical class 0.000 claims description 49
- 229910052717 sulfur Inorganic materials 0.000 claims description 22
- 125000004434 sulfur atom Chemical group 0.000 claims description 18
- 239000003921 oil Substances 0.000 claims description 14
- 239000002199 base oil Substances 0.000 claims description 13
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 125000000962 organic group Chemical group 0.000 claims description 8
- 125000004437 phosphorous atom Chemical group 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- 238000005461 lubrication Methods 0.000 claims description 6
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical class OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 claims description 5
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 description 21
- -1 phosphorus compound Chemical class 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 15
- 150000001412 amines Chemical class 0.000 description 12
- 230000003078 antioxidant effect Effects 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 9
- 230000001050 lubricating effect Effects 0.000 description 9
- 239000002480 mineral oil Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 229920001577 copolymer Polymers 0.000 description 6
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 235000010446 mineral oil Nutrition 0.000 description 4
- 239000011574 phosphorus Substances 0.000 description 4
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 3
- QUDCSOMWFFCHPI-UHFFFAOYSA-N 2,5-bis(2-methylheptan-2-yldisulfanyl)-1,3,4-thiadiazole Chemical compound CCCCCC(C)(C)SSC1=NN=C(SSC(C)(C)CCCCC)S1 QUDCSOMWFFCHPI-UHFFFAOYSA-N 0.000 description 3
- ZQEZPRKQTCABIY-UHFFFAOYSA-N 2,5-bis(octadec-1-enyldisulfanyl)-1,3,4-thiadiazole Chemical compound CCCCCCCCCCCCCCCCC=CSSc1nnc(SSC=CCCCCCCCCCCCCCCCC)s1 ZQEZPRKQTCABIY-UHFFFAOYSA-N 0.000 description 3
- BQLWLNJITHLDAA-UHFFFAOYSA-N CCCCC(CC)CSSc1nnc(S)s1 Chemical compound CCCCC(CC)CSSc1nnc(S)s1 BQLWLNJITHLDAA-UHFFFAOYSA-N 0.000 description 3
- DMDMUIKTYUPJLQ-UHFFFAOYSA-N CCCCCCCCCCCCCCC=C(C)SSc1nnc(SSC(C)=CCCCCCCCCCCCCCC)s1 Chemical compound CCCCCCCCCCCCCCC=C(C)SSc1nnc(SSC(C)=CCCCCCCCCCCCCCC)s1 DMDMUIKTYUPJLQ-UHFFFAOYSA-N 0.000 description 3
- XBXUHIMTRHVMIE-UHFFFAOYSA-N CCCCCCCCCCCCCCCCC(O)CSSc1nnc(SSCC(O)CCCCCCCCCCCCCCCC)s1 Chemical compound CCCCCCCCCCCCCCCCC(O)CSSc1nnc(SSCC(O)CCCCCCCCCCCCCCCC)s1 XBXUHIMTRHVMIE-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical class C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 3
- 239000012964 benzotriazole Substances 0.000 description 3
- 125000003354 benzotriazolyl group Chemical class N1N=NC2=C1C=CC=C2* 0.000 description 3
- 239000011575 calcium Substances 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010828 elution Methods 0.000 description 3
- 239000012208 gear oil Substances 0.000 description 3
- GBHRVZIGDIUCJB-UHFFFAOYSA-N hydrogenphosphite Chemical compound OP([O-])[O-] GBHRVZIGDIUCJB-UHFFFAOYSA-N 0.000 description 3
- 125000005647 linker group Chemical group 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
- 239000011733 molybdenum Substances 0.000 description 3
- 229920000193 polymethacrylate Polymers 0.000 description 3
- 229960002317 succinimide Drugs 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- 239000004711 α-olefin Substances 0.000 description 3
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 description 2
- LHJGARRWHMPJCH-UHFFFAOYSA-N 2,5-bis(octadec-1-enylsulfanyl)-1,3,4-thiadiazole Chemical compound CCCCCCCCCCCCCCCCC=CSc1nnc(SC=CCCCCCCCCCCCCCCCC)s1 LHJGARRWHMPJCH-UHFFFAOYSA-N 0.000 description 2
- IXHBJAGKNYPLIY-UHFFFAOYSA-N 5-(2-ethylhexylsulfanyl)-3h-1,3,4-thiadiazole-2-thione Chemical compound CCCCC(CC)CSC1=NNC(=S)S1 IXHBJAGKNYPLIY-UHFFFAOYSA-N 0.000 description 2
- FSINQYIRKGPRPZ-UHFFFAOYSA-N CCCCC(CC)CSSc1csc(SSCC(CC)CCCC)n1 Chemical compound CCCCC(CC)CSSc1csc(SSCC(CC)CCCC)n1 FSINQYIRKGPRPZ-UHFFFAOYSA-N 0.000 description 2
- XZWJWWGDISKWSJ-UHFFFAOYSA-N CCCCCC(C)(C)Sc1nnc(SC(C)(C)CCCCC)s1 Chemical compound CCCCCC(C)(C)Sc1nnc(SC(C)(C)CCCCC)s1 XZWJWWGDISKWSJ-UHFFFAOYSA-N 0.000 description 2
- VMELOJGMQXWKOF-UHFFFAOYSA-N CCCCCCCCCCCCCCCCC(O)CSc1nnc(SCC(O)CCCCCCCCCCCCCCCC)s1 Chemical compound CCCCCCCCCCCCCCCCC(O)CSc1nnc(SCC(O)CCCCCCCCCCCCCCCC)s1 VMELOJGMQXWKOF-UHFFFAOYSA-N 0.000 description 2
- SLHSXJYLUGIRDZ-UHFFFAOYSA-N CCCCCCCCOC(=O)CSSc1nnc(SSCC(=O)OCCCCCCCC)s1 Chemical compound CCCCCCCCOC(=O)CSSc1nnc(SSCC(=O)OCCCCCCCC)s1 SLHSXJYLUGIRDZ-UHFFFAOYSA-N 0.000 description 2
- YFNAOUNXAMQWFU-UHFFFAOYSA-N CCCCCCCCOC(=O)CSc1nnc(SCC(=O)OCCCCCCCC)s1 Chemical compound CCCCCCCCOC(=O)CSc1nnc(SCC(=O)OCCCCCCCC)s1 YFNAOUNXAMQWFU-UHFFFAOYSA-N 0.000 description 2
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 2
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 description 2
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 2
- 239000004727 Noryl Substances 0.000 description 2
- 229920001207 Noryl Polymers 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 239000002518 antifoaming agent Substances 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 229910052791 calcium Inorganic materials 0.000 description 2
- BELZJFWUNQWBES-UHFFFAOYSA-N caldopentamine Chemical compound NCCCNCCCNCCCNCCCN BELZJFWUNQWBES-UHFFFAOYSA-N 0.000 description 2
- 150000001721 carbon Chemical group 0.000 description 2
- 229940126214 compound 3 Drugs 0.000 description 2
- 238000005536 corrosion prevention Methods 0.000 description 2
- 239000013530 defoamer Substances 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- LSHROXHEILXKHM-UHFFFAOYSA-N n'-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCN LSHROXHEILXKHM-UHFFFAOYSA-N 0.000 description 2
- AQGNVWRYTKPRMR-UHFFFAOYSA-N n'-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCNCCN AQGNVWRYTKPRMR-UHFFFAOYSA-N 0.000 description 2
- IMENJLNZKOMSMC-UHFFFAOYSA-N n'-[2-[2-[2-[2-[2-(2-aminoethylamino)ethylamino]ethylamino]ethylamino]ethylamino]ethyl]ethane-1,2-diamine Chemical compound NCCNCCNCCNCCNCCNCCNCCN IMENJLNZKOMSMC-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229920001281 polyalkylene Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 2
- 125000003396 thiol group Chemical group [H]S* 0.000 description 2
- 229960003986 tuaminoheptane Drugs 0.000 description 2
- HCELXFPMCBLYGO-UHFFFAOYSA-N 2,5-bis(heptadec-2-en-2-ylsulfanyl)-1,3,4-thiadiazole Chemical compound CCCCCCCCCCCCCCC=C(C)Sc1nnc(SC(C)=CCCCCCCCCCCCCCC)s1 HCELXFPMCBLYGO-UHFFFAOYSA-N 0.000 description 1
- BRDFLWCEDAATEV-UHFFFAOYSA-N 2,5-bis(octadec-1-enyl)-1,3,4-thiadiazole Chemical compound CCCCCCCCCCCCCCCCC=Cc1nnc(C=CCCCCCCCCCCCCCCCC)s1 BRDFLWCEDAATEV-UHFFFAOYSA-N 0.000 description 1
- BVUXDWXKPROUDO-UHFFFAOYSA-N 2,6-di-tert-butyl-4-ethylphenol Chemical compound CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 BVUXDWXKPROUDO-UHFFFAOYSA-N 0.000 description 1
- DKCPKDPYUFEZCP-UHFFFAOYSA-N 2,6-di-tert-butylphenol Chemical compound CC(C)(C)C1=CC=CC(C(C)(C)C)=C1O DKCPKDPYUFEZCP-UHFFFAOYSA-N 0.000 description 1
- PHBJZRXVOQWEGZ-UHFFFAOYSA-N 2-(2-ethylhexyl)-1,3,4-thiadiazole Chemical compound CCCCC(CC)CC1=NN=CS1 PHBJZRXVOQWEGZ-UHFFFAOYSA-N 0.000 description 1
- NVJQDVAYQXITBY-UHFFFAOYSA-N 2-N,5-N-bis(hexadec-1-enyl)-2-N,5-N-dimethyl-1,3,4-thiadiazole-2,5-diamine Chemical compound CCCCCCCCCCCCCCC=CN(C)c1nnc(s1)N(C)C=CCCCCCCCCCCCCCC NVJQDVAYQXITBY-UHFFFAOYSA-N 0.000 description 1
- ZQSAEARHFSYONP-UHFFFAOYSA-N 2-N,5-N-bis(octadec-1-enyl)-1,3,4-thiadiazole-2,5-diamine Chemical compound CCCCCCCCCCCCCCCCC=CNc1nnc(NC=CCCCCCCCCCCCCCCCC)s1 ZQSAEARHFSYONP-UHFFFAOYSA-N 0.000 description 1
- IIDFVKIUMAQHKE-UHFFFAOYSA-N 2-n-(2-ethylhexyl)-1,3,4-thiadiazole-2,5-diamine Chemical compound CCCCC(CC)CNC1=NN=C(N)S1 IIDFVKIUMAQHKE-UHFFFAOYSA-N 0.000 description 1
- TWCUXLYUOLDJGC-UHFFFAOYSA-N 2-octyl-4,5-dihydro-1,3-thiazole Chemical compound CCCCCCCCC1=NCCS1 TWCUXLYUOLDJGC-UHFFFAOYSA-N 0.000 description 1
- GPNYZBKIGXGYNU-UHFFFAOYSA-N 2-tert-butyl-6-[(3-tert-butyl-5-ethyl-2-hydroxyphenyl)methyl]-4-ethylphenol Chemical compound CC(C)(C)C1=CC(CC)=CC(CC=2C(=C(C=C(CC)C=2)C(C)(C)C)O)=C1O GPNYZBKIGXGYNU-UHFFFAOYSA-N 0.000 description 1
- MDWVSAYEQPLWMX-UHFFFAOYSA-N 4,4'-Methylenebis(2,6-di-tert-butylphenol) Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 MDWVSAYEQPLWMX-UHFFFAOYSA-N 0.000 description 1
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 1
- CBIPEPYGJSWOCR-UHFFFAOYSA-N CC(CCCCC)(NC=1SC(=NN1)NC(CCCCC)(C)C)C Chemical compound CC(CCCCC)(NC=1SC(=NN1)NC(CCCCC)(C)C)C CBIPEPYGJSWOCR-UHFFFAOYSA-N 0.000 description 1
- KXVDCXQMSKGXJF-UHFFFAOYSA-N CCCCCC(C)(C)c1nnc(s1)C(C)(C)CCCCC Chemical compound CCCCCC(C)(C)c1nnc(s1)C(C)(C)CCCCC KXVDCXQMSKGXJF-UHFFFAOYSA-N 0.000 description 1
- QJPGGTFSBKJCEB-UHFFFAOYSA-N CCCCCCCCCCCCCCCCC(O)CNc1nnc(NCC(O)CCCCCCCCCCCCCCCC)s1 Chemical compound CCCCCCCCCCCCCCCCC(O)CNc1nnc(NCC(O)CCCCCCCCCCCCCCCC)s1 QJPGGTFSBKJCEB-UHFFFAOYSA-N 0.000 description 1
- LRRAAMSCFUNDOO-UHFFFAOYSA-N CCCCCCCCCCCCCCCCC(O)Cc1nnc(CC(O)CCCCCCCCCCCCCCCC)s1 Chemical compound CCCCCCCCCCCCCCCCC(O)Cc1nnc(CC(O)CCCCCCCCCCCCCCCC)s1 LRRAAMSCFUNDOO-UHFFFAOYSA-N 0.000 description 1
- CFEQLCLDBDKZBF-UHFFFAOYSA-N CCCCCCCCOC(=O)CNc1nnc(NCC(=O)OCCCCCCCC)s1 Chemical compound CCCCCCCCOC(=O)CNc1nnc(NCC(=O)OCCCCCCCC)s1 CFEQLCLDBDKZBF-UHFFFAOYSA-N 0.000 description 1
- PYOYGSZSVGRWSU-UHFFFAOYSA-N CCCCCCCCOC(=O)Cc1nnc(CC(=O)OCCCCCCCC)s1 Chemical compound CCCCCCCCOC(=O)Cc1nnc(CC(=O)OCCCCCCCC)s1 PYOYGSZSVGRWSU-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- GHKOFFNLGXMVNJ-UHFFFAOYSA-N Didodecyl thiobispropanoate Chemical compound CCCCCCCCCCCCOC(=O)CCSCCC(=O)OCCCCCCCCCCCC GHKOFFNLGXMVNJ-UHFFFAOYSA-N 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerol Natural products OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 101100208720 Homo sapiens USP5 gene Proteins 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- 102100021017 Ubiquitin carboxyl-terminal hydrolase 5 Human genes 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 150000004996 alkyl benzenes Chemical class 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- 229940125782 compound 2 Drugs 0.000 description 1
- 229940125898 compound 5 Drugs 0.000 description 1
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- SPBMDAHKYSRJFO-UHFFFAOYSA-N didodecyl hydrogen phosphite Chemical compound CCCCCCCCCCCCOP(O)OCCCCCCCCCCCC SPBMDAHKYSRJFO-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- XMQYIPNJVLNWOE-UHFFFAOYSA-N dioctyl hydrogen phosphite Chemical compound CCCCCCCCOP(O)OCCCCCCCC XMQYIPNJVLNWOE-UHFFFAOYSA-N 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- RSNDQTNQQQNXRN-UHFFFAOYSA-N dodecyl dihydrogen phosphite Chemical compound CCCCCCCCCCCCOP(O)O RSNDQTNQQQNXRN-UHFFFAOYSA-N 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- QDHCHVWSKUMZDZ-UHFFFAOYSA-N ethyl dihydrogen phosphite Chemical compound CCOP(O)O QDHCHVWSKUMZDZ-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 150000002430 hydrocarbons Chemical group 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000006078 metal deactivator Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- VLAPMBHFAWRUQP-UHFFFAOYSA-L molybdic acid Chemical compound O[Mo](O)(=O)=O VLAPMBHFAWRUQP-UHFFFAOYSA-L 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 description 1
- CSWFWSPPZMEYAY-UHFFFAOYSA-N octadecyl dihydrogen phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(O)O CSWFWSPPZMEYAY-UHFFFAOYSA-N 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
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- VCAFTIGPOYBOIC-UHFFFAOYSA-N phenyl dihydrogen phosphite Chemical compound OP(O)OC1=CC=CC=C1 VCAFTIGPOYBOIC-UHFFFAOYSA-N 0.000 description 1
- WSDQIHATCCOMLH-UHFFFAOYSA-N phenyl n-(3,5-dichlorophenyl)carbamate Chemical compound ClC1=CC(Cl)=CC(NC(=O)OC=2C=CC=CC=2)=C1 WSDQIHATCCOMLH-UHFFFAOYSA-N 0.000 description 1
- 239000010452 phosphate Substances 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
- 229920013639 polyalphaolefin Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 231100000241 scar Toxicity 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- VSRBKQFNFZQRBM-UHFFFAOYSA-N tuaminoheptane Chemical compound CCCCCC(C)N VSRBKQFNFZQRBM-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 239000013585 weight reducing agent 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
- C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential
- C10M157/08—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential at least one of them being a 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
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/32—Heterocyclic sulfur, selenium or tellurium compounds
- C10M135/36—Heterocyclic sulfur, selenium or tellurium compounds the ring containing sulfur and carbon with nitrogen or oxygen
-
- 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
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
-
- 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
- C10M2203/003—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions 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
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
-
- 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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
- C10M2209/084—Acrylate; Methacrylate
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
-
- 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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/04—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions containing sulfur-to-oxygen bonds, i.e. sulfones, sulfoxides
- C10M2219/046—Overbasedsulfonic acid salts
-
- 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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
- C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
- C10M2219/106—Thiadiazoles
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/04—Phosphate esters
- C10M2223/047—Thioderivatives not containing metallic elements
-
- 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
- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
- C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
- C10M2223/049—Phosphite
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/12—Inhibition of corrosion, e.g. anti-rust agents or anti-corrosives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/14—Electric or magnetic purposes
- C10N2040/16—Dielectric; Insulating oil or insulators
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/40—Generators or electric motors in oil or gas winning field
Definitions
- the present invention relates to a lubricating oil composition and an electric drive unit using the lubricating oil composition.
- Japanese Unexamined Patent Publication No. 2008-285682 Japanese Unexamined Patent Publication No. 2011-63734 Japanese Unexamined Patent Publication No. 2012-207803
- the gearbox In order to reduce the size of the package, the gearbox is also becoming smaller, the diameter of the gears used is smaller, and the tooth width is also smaller. Due to this miniaturization, the force applied to the tooth surface also increases, and the demand for the durability of the gear increases in gear oil, and a sulfur-based extreme pressure agent is required to achieve this.
- the conventional lubricating oils described in Patent Documents 1 to 3 have problems that the extreme pressure property is insufficient and the durability and wear resistance improvement performance do not satisfy the requirements. Further, in the electric drive unit, there is a possibility that the electric circuit and the lubricating oil come into contact with each other, so that the lubricating oil is also required to have a high volume resistivity. Therefore, improvement of these characteristics has been required.
- the present invention has been made in view of the above circumstances, and is a lubricating oil composition which exhibits high extreme pressure resistance, durability and wear resistance at a high level, and exhibits a high volume ratio resistance. It is an object of the present invention to provide an electric drive unit using a lubricating oil composition.
- B a thiadiazole derivative
- RA11 , RA21 and RA22 each independently represent an alkyl group or a hydrogen atom having 1 or more and 20 or less carbon atoms, and a A11 , a A21 and a A22 independently represent 1 or more and 8 or less, respectively. Represents an integer of.
- thiadiazole derivative (B) contains at least one compound of the compounds represented by the general formulas (B1) to (B3).
- RB11 , RB12 , RB21 , RB22 , RB31 and RB32 each independently represent a hydrogen atom, a hydroxyl group, an -SH group, an -NH 2 group or an organic group.
- the content of the compound represented by the general formula (A1) in the phosphite ester derivative (A) in the lubricating oil composition is 5% by mass or more and 95% by mass or less.
- the lubricating oil composition according to any one.
- the content of the thiadiazole derivative (B) is 0.05% by mass or more and 1.0% by mass or less based on the total amount of the lubricating oil composition, according to any one of claims [1] to [7].
- the content (XAP mass ppm) of the phosphite ester derivative (A) in terms of phosphorus atom based on the total amount of the lubricating oil composition is 50 mass ppm or more and 10000 mass ppm or less [1].
- the content (XBS mass ppm) of the thiadiazole derivative (B) in terms of sulfur atom based on the total amount of the lubricating oil composition is 100 mass ppm or more and 10000 mass ppm or less [1] to [9]. ].
- the X AP and the X BS are 0.05 ⁇ X AP / X BS ⁇ 5.00
- the lubricating oil composition according to [10] which satisfies the relationship of.
- the total of the sulfur atom-equivalent content of the phosphite ester derivative (A) and the sulfur atom-equivalent content of the thiazazole derivative (B) is 100% by mass or more and 10,000% by mass based on the total amount of the composition.
- the lubricating oil composition according to any one of [1] to [12] used in an electric drive unit.
- a lubricating oil composition that has high extreme pressure properties and exhibits durability and wear resistance at a high level, and an electric drive unit using the lubricating oil composition.
- the lubricating oil composition according to the embodiment of the present invention and the electric drive unit using the lubricating oil composition will be described.
- the lubricating oil composition of one embodiment of the present invention and the electric drive unit using the lubricating oil composition are merely one embodiment of the present invention, and the present invention is the lubricating oil composition of one embodiment of the present invention. And, the present invention is not limited to the electric drive unit using the lubricating oil composition.
- the lubricating oil composition of the present invention comprises a phosphite ester derivative (A) having at least one alkyl group having 1 or more and 20 or less carbon atoms in which one -CH 2-group is substituted with an -S- group and thiadiazole. Contains the derivative (B).
- the phosphite ester derivative (A) is a compound having at least one alkyl group having 1 or more and 20 or less carbon atoms in which one -CH 2-group is substituted with an -S- group, and only one kind is used. However, two or more kinds can be used.
- the alkyl group may have one or two in the same molecule. In the same molecule.
- the compound having one alkyl group and the compound having two alkyl groups can be used alone, or a compound having one alkyl group and a compound having two alkyl groups may be used in combination.
- the phosphorous acid ester derivative (A) has both the characteristics of phosphorous acid as an abrasion resistant agent and the characteristics of an extreme pressure agent using an alkyl group having 1 to 20 carbon atoms substituted with an —S— group. Therefore, these characteristics cannot be compatible unless the phosphite ester derivative (A) is contained.
- the content of the phosphite ester derivative (A) is preferably 0.05% by mass at the lower limit from the viewpoint of abrasion resistance and the development of lubricity under extreme pressure, based on the total amount of the lubricating oil composition. 10% by mass is more preferable, 0.20% by mass is further preferable, 0.25% by mass is further preferable, and 0.28% by mass is particularly preferable.
- the upper limit of the content of the phosphite ester derivative (A) is preferably 1.00% by mass, more preferably 0.70% by mass, based on the total amount of the lubricating oil composition, from the viewpoint of volume resistance. 0.50% by mass is further preferable, 0.40% by mass is further preferable, 0.35% by mass is particularly preferable, and 0.32% by mass is extremely preferable.
- the phosphite ester derivative (A) may have a partial structure represented by the general formula (A0-1), and one partial structure represented by the general formula (A0-1) is contained in the molecule. You may have only two, or you may have two. However, when a plurality of RA01 and RA02 are present in the same molecule, they may be the same or different.
- R A01 represents a monovalent organic group hydrogen atom or a carbon atom number of 1 to 20
- R A02 is a divalent organic group
- A0-1 Represents another atom to which the oxygen atom of the group to be bonded is bonded.
- RA02 is preferably an alkylene group having 2 to 20 carbon atoms which may contain a ring structure from the viewpoint of improving the lubricating characteristics of the lubricating oil composition under extreme pressure, and is one of the alkylene groups.
- the phosphite ester derivative (A) preferably contains at least one compound selected from the compounds represented by the general formulas (A1) and (A2), and substantially contains the general formulas (A1) and (A2). It is preferable that the compound other than the compound represented by) is not contained.
- RA11 , RA21 and RA22 each independently represent an alkyl group or a hydrogen atom having 1 or more and 20 or less carbon atoms, and a A11 , a A21 and a A22 independently represent 1 or more and 8 or less, respectively. Represents an integer of.
- RA11 , RA21, and RA22 may be linear or branched independently from the viewpoint of improving the lubrication characteristics of the lubricating oil composition under extreme pressure. It is preferably chain-shaped. Further, the number of carbon atoms of RA11 , RA21 and RA22 is preferably 2 or more, preferably 4 or more, preferably 6 or more, preferably 18 or less, and 16 or less. It is preferably 12 or less, preferably 10 or less, and preferably 8. a A11 , a A21 and a A22 are preferably 1, 2 or 4, respectively, and preferably 2.
- the phosphite derivative (A) used in the present invention is an acidic phosphite
- it is preferably an amine salt
- the amines used for forming the amine salt include the first amine and the first amine.
- examples thereof include diamines, tertiary amines and polyalkylene amines, and examples thereof include ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine, hexaethyleneheptamine, heptaethyleneoctamine, tetrapropylenepentamine and hexa.
- Butylene heptamine and the like can be mentioned.
- the content of the phosphite ester derivative (A) is based on the total amount of the lubricating oil composition, and the lower limit is preferably 0.05% by mass, preferably 0.10% by mass, from the viewpoint of developing wear resistance and lubricity under extreme pressure. By mass% is more preferable, 0.20% by mass is further preferable, 0.25% by mass is further preferable, and 0.28% by mass is particularly preferable.
- the upper limit of the content of the phosphite ester derivative (A) is preferably 1.00% by mass, more preferably 0.80% by mass, and even more preferably 0.50% by mass based on the total amount of the lubricating oil composition. , 0.40% by mass is even more preferable, 0.35% by mass is even more preferable, and 0.32% by mass is particularly preferable.
- the total content of the compounds represented by the general formulas (A1) and (A2) is based on the total mass of the phosphite ester derivative (A), and the lower limit is the viewpoint of abrasion resistance and lubricity under extreme pressure. From 80% by mass is preferable, 90% by mass is more preferable, 95% by mass is further preferable, 98% by mass is further preferable, substantially 100% by mass is particularly preferable, and the upper limit value is not particularly limited but substantially. 100% by mass is preferable. In the present specification, substantially means excluding by-products and the like that are unintentionally produced at the time of manufacture.
- the content of the compound represented by the general formula (A1) is based on the total amount of the lubricating oil composition, and the lower limit is preferably 0.05% by mass from the viewpoint of developing wear resistance and lubricity under extreme pressure, and is 0. .10% by mass is more preferable, 0.20% by mass is further preferable, 0.23% by mass is further preferable, and 0.25% by mass is particularly preferable.
- the upper limit of the content of the compound represented by the general formula (A1) is preferably 1.00% by mass, more preferably 0.70% by mass, based on the total amount of the lubricating oil composition, from the viewpoint of volume resistance. 0.50% by mass is further preferable, 0.40% by mass is further preferable, and 0.30% by mass is particularly preferable.
- the content of the compound represented by the general formula (A2) is based on the total amount of the lubricating oil composition, and the lower limit is preferably 0.01% by mass from the viewpoint of developing wear resistance and lubricity under extreme pressure, and is 0. .02% by mass is more preferable.
- the upper limit of the content of the compound represented by the general formula (A2) is preferably 0.10% by mass, more preferably 0.08% by mass, and even more preferably 0.05% by mass from the viewpoint of volume resistivity. ..
- the phosphite ester derivative (A) is preferably a mixture of only the compounds represented by the general formulas (A1) and (A2), but the general formula (A1) is based on the total amount of the phosphite ester derivative (A).
- the lower limit of the content of the compound represented by is preferably 5% by mass, more preferably 50% by mass, further preferably 70% by mass, and even more preferably 80% by mass from the viewpoint of developing wear resistance and lubricity under extreme pressure. Is even more preferable, and 85% by mass is particularly preferable.
- the upper limit of the content of the compound represented by the general formula (A1) is 98% by mass based on the total amount of the phosphite ester derivative (A) from the viewpoint of the balance between wear resistance and lubricity under extreme pressure. Is preferable, 95% by mass is more preferable, and 92% by mass is further preferable.
- the lower limit of the phosphorus atom equivalent content (XAP ) of the phosphite ester derivative (A) based on the total amount of the lubricating oil composition is 50 parts by mass from the viewpoint of abrasion resistance and the development of lubricity under extreme pressure. ppm is preferred, 100 mass ppm is more preferred, 200 mass ppm is even more preferred, and 250 mass ppm is even more preferred. Further, the upper limit of the content ( XAP ) in terms of phosphorus atom is preferably 10000 mass ppm, more preferably 5000 mass ppm, further preferably 1000 mass ppm, and even more preferably 700 mass ppm from the viewpoint of volume resistance. , 500 mass ppm is particularly preferable.
- the lower limit of the content (XAP ) of the phosphite ester derivative (A) in terms of sulfur atom based on the total amount of the lubricating oil composition is 50 parts by mass from the viewpoint of abrasion resistance and the development of lubricity under extreme pressure. ppm is preferred, 100 mass ppm is more preferred, 200 mass ppm is even more preferred, and 250 mass ppm is even more preferred. Further, the upper limit of the content ( XAP ) in terms of sulfur atom is preferably 10000 mass ppm, more preferably 5000 mass ppm, further preferably 1000 mass ppm, and even more preferably 700 mass ppm from the viewpoint of volume resistance. , 500 mass ppm is particularly preferable.
- thiadiazole derivative (B) If the thiadiazole derivative (B) is not contained, the effect of improving the lubricating properties of the lubricating oil composition under extreme pressure cannot be obtained.
- the thiadiazole derivative (B) only one kind may be used, but two or more kinds may be used.
- the compounds represented by the general formulas (B1) to (B3) are preferable from the viewpoint of improving the lubricating characteristics of the lubricating oil composition under extreme pressure, and are represented by the general formula (B1). Compounds are more preferred.
- RB11 , RB12 , RB21 , RB22 , RB31 and RB32 each independently represent a hydrogen atom, a hydroxyl group, an -SH group, an -NH 2 group or an organic group.
- the organic group is not particularly limited and may be a substituent containing a carbon atom, but among them, -X B41- R B41 is preferable from the viewpoint of improving the lubricating characteristics of the lubricating oil composition under extreme pressure.
- XB41 is preferably -O-, -CO-, -COO-, -OCO-, -NH-, -NHCO-, -CONH-, -S-, -SS- or a single bond, and under extreme pressure. From the viewpoint of the effect of improving the lubrication characteristics, -NH-, -S-, -SS- or a single bond is more preferable, -S- or -SS- is more preferable, and -SS- is further preferable. preferable. When a plurality of X B41 and / or R B41 are present in the molecule, they may be the same or different.
- the number of carbon atoms of RB41 is more preferably 4 or more and 20 or less, further preferably 6 or more and 18 or less, and further preferably 8 or more and 12 or less.
- R B41 is preferably branched, and preferably has a tertiary carbon or a quaternary carbon in the substituent.
- the thiadiazole derivative (B) is a compound having an —S— or —SS— group as a linking group or a compound having a mercapto group from the viewpoint of improving the lubricating properties of the lubricating oil composition under extreme pressure.
- the thiadiazole derivative (B) includes 2,5-bis (t-nonylthio) -1,3, which is a compound having an —S— group or —SS— group as a linking group or a compound having a mercapto group.
- the thiadiazole derivative (B) includes 2,4-bis (2-ethylhexyldithio) thiazole, which is a compound having an —S—S— group as a linking group, and 2,5-bis (t-nonyldithio) -1, 3,4-Thiadiazole, 2,5-bis (dimethylhexyldithio) -1,3,4-thiadiazole, 2,5-bis (octadecenyldithio) -1,3,4-thiadiazole, 2,5- Bis (methylhexadecenyldithio) -1,3,4-thiadiazole, 2,5-bis (2-hydroxyoctadecyldithio) -1,3,4-thiadiazole, 2,5-bis (n-octoxycarbonyl) Methyldithio) -1,3,4-thiadiazole, 2-mercapto-5- (2-ethylhexyl
- the content of the thiasiazol derivative (B) is based on the total amount of the lubricating oil composition, and the lower limit is preferably 0.05% by mass, more preferably 0.10% by mass, and 0, from the viewpoint of developing lubricity under extreme pressure. .15% by mass is even more preferable, and 0.18% by mass is even more preferable.
- the content of the thiazizol derivative (B) is based on the total amount of the lubricating oil composition, and the upper limit is preferably 1.00% by mass, more preferably 0.70% by mass, and 0.50% by mass from the viewpoint of volume resistance.
- the content of the compound represented by the general formula (B1) is based on the total amount of the lubricating oil composition, and the lower limit is preferably 0.05% by mass, preferably 0.10% by mass, from the viewpoint of developing lubricity under extreme pressure. Is more preferable, 0.15% by mass is further preferable, and 0.18% by mass is even more preferable.
- the content of the compound represented by the general formula (B1) is based on the total amount of the lubricating oil composition, and the upper limit is preferably 1.00% by mass, more preferably 0.70% by mass from the viewpoint of volume resistance. , 0.50% by mass is further preferable, 0.40% by mass is further preferable, 0.35% by mass is further preferable, and 0.32% by mass is particularly preferable.
- the content of a sulfur atom in terms of thiadiazole derivatives in terms of the total amount of the lubricating oil composition (B) is preferably 50 ppm by mass in terms of lubricity of expression in polar pressure, 100 ppm by weight Is more preferable, 300 mass ppm is further preferable, 500 mass ppm is even more preferable, and 600 mass ppm is particularly preferable.
- the upper limit of the content ( XBS ) in terms of sulfur atom is preferably 10000 mass ppm, more preferably 5000 mass ppm, further preferably 2000 mass ppm, and even more preferably 1500 mass ppm from the viewpoint of volume resistance. 1200 mass ppm is particularly preferable.
- a sulfur-based extreme pressure agent is required to improve the lubrication performance at the extreme pressure of the gear, but lubricating oil.
- the wear characteristics deteriorate.
- the wear resistance is improved, but when the amount of the additive including the content of phosphorus atoms and sulfur atoms in the lubricating oil composition increases, the volume resistivity ( ⁇ ) ⁇ M) tends to worsen.
- the above-mentioned problem of the present invention is solved by using the phosphite ester derivative (A) and the thiazazole derivative (B) having a sulfur atom. It is also preferable to adjust the content of each of), to further optimize the X AP / X BS, the content and the thiadiazole derivative of the sulfur atom in terms of the phosphorous acid ester derivative (a) of (B) It is also preferable to optimize the total content in terms of sulfur atoms.
- X AP / X BS It is also preferable to optimize the X AP / X BS is the quotient of the X BS and the X AP.
- the lower limit of X AP / X BS is preferably 0.05, more preferably 0.10, further preferably 0.15, even more preferably 0.20, and the upper limit from the viewpoint of developing lubricity under extreme pressure.
- the value is preferably 5.00, more preferably 2.00, still more preferably 1.00, even more preferably 0.80, and particularly preferably 0.50 from the viewpoint of volume resistivity.
- 10000 mass ppm is preferable, 8000 mass ppm is more preferable, 5000 mass ppm is further preferable, 3000 mass ppm is further preferable, 2000 mass ppm is further preferable, and 1800 mass ppm is further preferable. 1500 mass ppm is even more preferred, and 1400 mass ppm is particularly preferred.
- the base oil (C) used in the lubricating oil composition of the present invention is not particularly limited, and one or more selected from mineral oils and synthetic oils that can be used as the lubricating oil base oil can be used.
- Mineral oils include, for example, atmospheric residual oil obtained by atmospheric distillation of crude oils such as paraffin-based crude oil, intermediate base crude oil, and naphthenic crude oil; and distillate oil obtained by vacuum distillation of these atmospheric residual oils. ; Mineral oil obtained by subjecting the distillate oil to one or more purification treatments such as solvent removal, solvent extraction, hydrocracking, solvent dewaxing, contact dewaxing, and hydrorefining; manufactured by the Fisher-Tropsch method, etc. Examples thereof include mineral oil obtained by isomerizing the wax (GTL wax (Gas To Liquids WAX)). These mineral oils may be used alone or in combination of two or more.
- the mineral oil may be classified into any of groups 1, 2, and 3 in the base oil category of API (American Petroleum Institute), but sludge formation can be further suppressed, and the viscosity characteristics and viscosity characteristics and From the viewpoint of further improving the stability against oxidative deterioration and the like, those classified into groups 2 and 3 are preferable.
- the synthetic oil include poly- ⁇ -olefins such as polybutene, ⁇ -olefin homopolymer, and ⁇ -olefin copolymer (for example, ethylene- ⁇ -olefin copolymer); polyol ester, dibasic acid.
- ester oils such as esters and phosphoric acid esters; various ethers such as polyphenyl ethers; polyglycols; alkylbenzenes; alkylnaphthalene and the like.
- the above mineral oils may be used alone or in combination of two or more. Moreover, you may use the said synthetic oil alone or in combination of a plurality of kinds. Further, one or more of the above mineral oils and one or more of the above synthetic oils may be used in combination.
- the kinematic viscosity and viscosity index of the lubricating oil base oil (C) are not particularly limited, but from the viewpoint of improving the lubricating performance of the lubricating oil composition and improving the handleability of the lubricating oil base oil. Therefore, the kinematic viscosity and the viscosity index are preferably in the following ranges.
- the 100 ° C. kinematic viscosity of the lubricating oil base oil (C) is preferably 1 mm 2 / s or more and 50 mm 2 / s or less, more preferably 2 mm 2 / s or more and 20 mm 2 / s or less, and 3 mm. It is more preferably 2 / s or more and 10 mm 2 / s or less.
- kinematic viscosity of the lubricating oil base oil (C) is preferably 1 mm 2 / s or more and 80 mm 2 / s or less, more preferably 5 mm 2 / s or more and 50 mm 2 / s or less, and 10 mm 2 / s. It is more preferably s or more and 30 mm 2 / s or less.
- the viscosity index of the lubricating oil base oil (C) is preferably 100 or more, more preferably 110 or more, and even more preferably 120 or more. In the present specification, the kinematic viscosity and the viscosity index are values measured using a glass capillary viscometer in accordance with JIS K 2283: 2000.
- the lubricating oil composition of one aspect of the present invention may contain other additives as long as the effects of the present invention are not impaired.
- the other additives include antifoaming agents, viscosity index improvers, abrasion resistant agents, extreme pressure agents, antioxidants, dispersants, metal inactivating agents and the like. These may be used individually by 1 type or in combination of 2 or more type.
- a phosphite ester having no sulfur atom may be further contained in the molecule other than the phosphite ester (A).
- a phosphite ester having no sulfur atom may be further contained in the molecule other than the phosphite ester (A).
- amine salts such as a phosphate ester, an acidic phosphoric acid ester, a phosphite ester, and a hydrogen phosphite ester used in the present invention are preferable, and the amines used for forming the amine salt are the first amine and the second amine.
- examples include amines, tertiary amines, polyalkylene amines, etc., for example, ethylenediamine, diethylenetriamine, triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine, hexaethyleneheptamine, heptaethyleneoctamine, tetrapropylenepentamine, hexabutylene. Heptamine and the like can be mentioned.
- a benzotriazole derivative may be further contained as the metal deactivator.
- the inclusion of benzotriazole is preferable because it improves the anticorrosion property of copper.
- a compound represented by the general formula (D) is preferable.
- R D11 and R D12 independently represent a hydrogen atom or an organic group.
- the organic group an alkyl group having 1 or more carbon atoms and 20 or less carbon atoms is preferable, and one or more -CH 2- is -O-, -S-, -COO-, -OCO-, -CSO-, -OCS-.
- -CH CH- or -C ⁇ C- may be substituted, linear or branched, but linear is preferable.
- the number of carbon atoms of the organic group is more preferably 1 or more, further preferably 2 or more, further preferably 8 or less, further preferably 4 or less, and 2 or less. Is even more preferable.
- RD11 is preferably a hydrogen atom or a methyl group
- RD12 is preferably a hydrogen atom or a methyl group.
- the content of the benzotriazole derivative is based on the total amount of the lubricating oil composition, and the lower limit is preferably 0.005% by mass, more preferably 0.008% by mass, and the upper limit is lubricity from the viewpoint of improving the copper corrosion prevention property. From the viewpoint of expression, 0.5% by mass is preferable, 0.1% by mass is more preferable, 0.08% by mass is further preferable, 0.05% by mass is further preferable, and 0.02% by mass is particularly preferable.
- antioxidants examples include amine-based antioxidants, phenol-based antioxidants, molybdenum-based antioxidants, sulfur-based antioxidants, phosphorus-based antioxidants, and the like.
- amine-based antioxidant examples include diphenylamine and diphenylamine-based antioxidants such as alkylated diphenylamine having an alkyl group having 3 or more and 20 or less carbon atoms; ⁇ -naphthylamine, phenyl- ⁇ -naphthylamine, and 3 or more carbon atoms.
- naphthylamine-based antioxidants such as substituted phenyl- ⁇ -naphthylamine having an alkyl group of 20 or less; and the like.
- phenolic antioxidant examples include 2,6-di-t-butylphenol, 2,6-di-t-butyl-4-methylphenol, 2,6-di-t-butyl-4-ethylphenol, and the like.
- Monophenolic antioxidants such as isooctyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate and octadecyl-3- (3,5-di-t-butyl-4-hydroxyphenyl) propionate
- Diphenolic antioxidants such as 4,4'-methylenebis (2,6-di-t-butylphenol), 2,2'-methylenebis (4-ethyl-6-t-butylphenol); hinderedphenols Antioxidants; etc.
- Examples of the molybdenum-based antioxidant include a molybdenum amine complex formed by reacting molybdenum trioxide and / or molybdic acid with an amine compound.
- Examples of the sulfur-based antioxidant include dilauryl-3,3'-thiodipropionate and the like.
- Examples of the phosphorus-based antioxidant include phosphite and the like.
- these antioxidants may be used alone or in combination of two or more, but it is preferable to use two or more in combination, and the amine-based antioxidant and the phenol-based oxidation. It is more preferable to use it together with an inhibitor.
- the content of the antioxidant is 0.01 as the lower limit value based on the total amount (100% by mass) of the lubricating oil composition.
- mass% is preferable, 0.05% by mass is more preferable, 0.1% by mass is further preferable, 0.2% by mass is further preferable, and 15.00% by mass is preferable as an upper limit value, and 10.00% by mass is preferable. More preferably, 5.00% by mass is further preferable, and 2.00% by mass is even more preferable.
- defoaming agent examples include silicone oil, fluorosilicone oil, fluoroalkyl ether and the like.
- Viscosity index improver examples include non-dispersive polymethacrylate, dispersed polymethacrylate, olefin-based copolymer (for example, ethylene-propylene copolymer, etc.), dispersed olefin-based copolymer, and styrene-based copolymer.
- olefin-based copolymer for example, ethylene-propylene copolymer, etc.
- styrene-based copolymer for example, ethylene-propylene copolymer, etc.
- styrene-based copolymer for example, ethylene-propylene copolymer, etc.
- styrene-based copolymer for example, ethylene-propylene copolymer, etc.
- styrene-based copolymer for example, ethylene-propylene copolymer, etc.
- styrene-based copolymer for example,
- the lubricating oil composition according to one aspect of the present invention has a kinematic viscosity of 100 ° C. and a kinematic viscosity of 40 ° C. from the viewpoint of making the lubricating oil composition more excellent in high-temperature cleanliness, basic value retention, and long life.
- the viscosity index is preferably in the range described below.
- the 40 ° C. kinematic viscosity, 100 ° C. kinematic viscosity, and viscosity index of the lubricating oil composition are values measured and calculated according to JIS K2283-2000.
- the lubricating oil composition according to one aspect of the present invention preferably has a kinematic viscosity at 100 ° C. of 1 mm 2 / s or more and 50 mm 2 / s or less, and more preferably 2 mm 2 / s or more and 20 mm 2 / s or less. It is more preferably 3 mm 2 / s or more and 10 mm 2 / s or less.
- the lubricating oil composition according to one aspect of the present invention preferably has a kinematic viscosity at 40 ° C. of 1 mm 2 / s or more and 80 mm 2 / s or less, and more preferably 5 mm 2 / s or more and 50 mm 2 / s or less. It is more preferably 10 mm 2 / s or more and 30 mm 2 / s or less.
- the lubricating oil composition according to one aspect of the present invention preferably has a viscosity index of 100 or more, more preferably 110 or more, and even more preferably 120 or more.
- the electric drive unit includes an electric motor, a gearbox, and an inverter mounted on a fuel cell vehicle, an electric vehicle, or a hybrid vehicle. It is desirable that the lubricating oil composition of the present invention be used for cooling an electric motor and lubricating a gearbox.
- Examples 1-5, Comparative Examples 1-9 A lubricating oil composition was prepared in the blending amount (mass%) shown in Table 1. The obtained gear oil composition was subjected to various tests by the following methods to evaluate its physical properties. The evaluation results are shown in Table 1. Since the kinematic viscosity of the lubricating oil composition affects the extreme pressure resistance and wear resistance, comparative evaluations were carried out with the same kinematic viscosities as those of Examples 1, 3 to 5 and Comparative Examples 1 to 9.
- the properties of the lubricating oil composition were measured by the following method.
- (1) Dynamic Viscosity The kinematic viscosity at 40 ° C. and 100 ° C. was measured according to ASTM D455.
- B41 is -S-S-, compound R B41 is an alkyl group having a carbon number of 9 which branches 300 TBN
- Ca sulfonate Ca sulfonate having a branched chain non-dry hydrocarbon group, base number 300 mgKOH / g (over Basic salt), Ca atom content: 12% by mass
- Polymethacrylate Non-dispersed, weight average molecular weight (Mw): 50,000 alkylated diphenylamine: "IRGANOX L57”, BASF's hindered phenol: “IRGANOX L135", BASF's benzotriazole: "TT-130F", Johoku Made by Chemical Industry Co., Ltd.
- succinimide alkylated diphenylamine, polybutenyl succinimide (Mw: 960), hydrogenphosphite, thiadiazol, hindered phenol, calcium-based detergent, succinimide, glycerin fatty acid ester and silicone-based defoamer Foaming agent
- Comparative Compound 1 Tris [(2 or 4) Isoalkyl (C9 and C10) Phenol] Thiophosphate
- Comparative Compound 2 O, O-diisopropyl S- (2-ethoxycarbonylethyl) dithiophosphate
- Comparative Compound 3 3-[[bis (2-methylpropoxy) phosphinothi oil] thio] -2-methyl-propionic acid comparative compound 4: Tris (nonylphenyl) phosphite comparative comparative compound 5: tricresyl phosphate comparative comparative compound 6: Dioctyl hydrogen phosphite comparative compound 7: Dilauryl hydrogen phosphite comparative compound 8: Diolayl hydrogen phosphite
- X AP Phosphite ester derivative (A) content in terms of phosphorus atoms (mass ppm) based on the total amount of the lubricating oil composition.
- X AS Sulfur atom equivalent content (mass ppm) of the phosphite ester derivative (A) based on the total amount of the lubricating oil composition.
- X BP Content of thiadiazole derivative (B) in terms of phosphorus atom (mass ppm) based on the total amount of the lubricating oil composition.
- X BS The content (mass ppm) of the thiadiazole derivative (B) in terms of sulfur atoms based on the total amount of the lubricating oil composition.
- Dynamic viscosity Dynamic viscosity at 40 ° C. 100 ° C. Dynamic viscosity: Dynamic viscosity at 100 ° C.
- FZG (A10 / 16.6R / 90): Scuffing occurred in the FZG scuffing test (A10 / 16.6R / 90). The stage of the load at the time
- Comparative Example 9 is a composition obtained by removing the compound corresponding to the general formula (B) from the lubricating oil composition of Example 1. Although the copper elution amount can be suppressed, the result of the FZG scuffing test is remarkably deteriorated. It was found that the high extreme pressure property, which is the subject of the invention, cannot be achieved.
- the lubricating oil composition containing both the phosphite ester derivative (A) and the thiadiazol derivative (B) in the present invention has high extreme pressure properties, and has high durability and wear resistance. It was found that an expressed lubricating oil composition was obtained.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
Description
また、電動駆動ユニットでは電気回路と潤滑油が接触する可能性もあるため、潤滑油には高い体積抵抗率も求められてきた。
このため、これら特性の改善が求められていた。
本発明は、上記事情に鑑みてなされたものであり、高い極圧性を有しつつ、耐久性と耐摩耗性とを高い次元で発現し、高い体積比抵抗率を示す潤滑油組成物及び当該潤滑油組成物を用いた電動駆動ユニットを提供することを目的とする。
[1]1個の-CH2-基が-S-基に置換した炭素原子数1以上20以下のアルキル基を少なくとも1個有する亜リン酸エステル誘導体(A)と、
チアジアゾール誘導体(B)とを含有する潤滑油組成物。
[2]前記亜リン酸エステル誘導体(A)が、一般式(A1)及び(A2)で表される化合物の少なくとも1の化合物を含有する[1]に記載の潤滑油組成物。
[3]前記チアジアゾール誘導体(B)が、一般式(B1)~(B3)で表される化合物の少なくとも1の化合物を含有する[1]又は[2]に記載の潤滑油組成物。
[4]さらに基油(C)を含有する[1]~[3]のいずれか1に記載の潤滑油組成物。
[5]潤滑油組成物中の亜リン酸エステル誘導体(A)における一般式(A1)で表される化合物の含有量が5質量%以上95質量%以下である[1]~[4]のいずれか1に記載の潤滑油組成物。
[7]潤滑油組成物中の亜リン酸エステル誘導体(A)における一般式(A1)で表される化合物の含有量が70質量%以上95質量%以下である[1]~[6]のいずれか1に記載の潤滑油組成物。
[8]前記チアジアゾール誘導体(B)の含有量が、潤滑油組成物全量基準で、0.05質量%以上1.0質量%以下である請求項[1]~[7]のいずれか1に記載の潤滑油組成物。
[10]前記潤滑油組成物の全量基準での前記チアジアゾール誘導体(B)の硫黄原子換算での含有量(XBS質量ppm)が100質量ppm以上10000質量ppm以下である[1]~[9]のいずれか1に記載の潤滑油組成物。
0.05≦XAP/XBS≦5.00
の関係を満たす[10]に記載の潤滑油組成物。
[12] 前記亜リン酸エステル誘導体(A)の硫黄原子換算の含有量及び前記チアジアゾール誘導体(B)の硫黄原子換算の含有量の合計が、組成物全量基準で、100質量ppm以上10000質量ppm以下である[1]~[11]のいずれか1に記載の潤滑油組成物。
[13]電動駆動ユニットに用いられる[1]~[12]のいずれか1に記載の潤滑油組成物。
[14][1]~[12]のいずれか1に記載の潤滑油組成物を用いた電動駆動ユニット。
本発明の潤滑油組成物は、1個の-CH2-基が-S-基に置換した炭素原子数1以上20以下のアルキル基を少なくとも1個有する亜リン酸エステル誘導体(A)とチアジアゾール誘導体(B)とを含有する。
亜リン酸エステル誘導体(A)は、1個の-CH2-基が-S-基に置換した炭素原子数1以上20以下のアルキル基を少なくとも1個有する化合物であり、1種のみを用いることもできるが、2種以上を用いることもできる。当該アルキル基は同一分子内に1個有していても、2個有していてもよい。同一分子内に。当該アルキル基を1個有している化合物、2個有している化合物はそれぞれ単独で用いることもできるが、1個有する化合物及び2個有する化合物を併用してもよい。
亜リン酸エステル誘導体(A)は亜リン酸の耐摩耗剤としての特性と、-S-基に置換した炭素原子数1以上20以下のアルキル基による極圧剤としての特性を兼ね備えている。このため、亜リン酸エステル誘導体(A)を含有しないとこれら特性を両立させることができない。
前記亜リン酸エステル誘導体(A)の含有量は、潤滑油組成物全量基準で、耐摩耗性及び極圧下での潤滑性の発現の観点から下限値は0.05質量%が好ましく、0.10質量%がより好ましく、0.20質量%が更に好ましく、0.25質量%がより更に好ましく、0.28質量%が特に好ましい。また、前記亜リン酸エステル誘導体(A)の含有量は、潤滑油組成物全量基準で、体積抵抗率の観点から上限値は1.00質量%が好ましく、0.70質量%がより好ましく、0.50質量%が更に好ましく、0.40質量%がより更に好ましく、0.35質量%が特に好ましく、0.32質量%が極めて好ましい。
チアジアゾール誘導体(B)を含有しないと、潤滑油組成物の極圧下での潤滑特性の改善効果が得られない。
チアジアゾール誘導体(B)は、1種のみを用いることもできるが、2種以上用いることもできる。
チアジアゾール誘導体(B)としては、潤滑油組成物の極圧下での潤滑特性の改善の観点から一般式(B1)~(B3)で表される化合物が好ましく、一般式(B1)で表される化合物がより好ましい。
有機基としては、特に制限がなく炭素原子を含有する置換基であればよいが、中でも潤滑油組成物の極圧下での潤滑特性の改善の観点から-XB41-RB41が好ましい。XB41は-O-、-CO-、-COO-、-OCO-、-NH-、-NHCO-、-CONH-、-S-、-S-S-又は単結合が好ましく、極圧下での潤滑特性の改善効果の観点からは、-NH-、-S-、-S-S-又は単結合がより好ましく、-S-又は-S-S-が更に好ましく、-S-S-が更に好ましい。
XB41及び/又はRB41が分子内に複数存在する場合には、それらは同一であっても異なっていてもよい。
RB41の炭素原子数は4以上20以下がより好ましく、6以上18以下が更に好ましく、8以上12以下がより更に好ましい。RB41は分岐していることが好ましく、当該置換基中に3級炭素又は4級炭素を有していることが好ましい。
一般式(B1)で表される化合物の含有量は、潤滑油組成物全量基準で、下限値は極圧下での潤滑性の発現の観点から0.05質量%が好ましく、0.10質量%がより好ましく、0.15質量%が更に好ましく、0.18質量%がより更に好ましい。また、一般式(B1)で表される化合物の含有量は、潤滑油組成物全量基準で、上限値は体積抵抗率の観点から1.00質量%が好ましく、0.70質量%がより好ましく、0.50質量%が更に好ましく、0.40質量%がより更に好ましく、0.35質量%がより更に好ましく、0.32質量%が特に好ましい。
前記XAPと前記XBSの商であるXAP/XBSを最適化することも好ましい。
XAP/XBSの下限値としては極圧下での潤滑性の発現の観点から0.05が好ましく、0.10がより好ましく、0.15が更に好ましく、0.20がより更に好ましく、上限値としては体積抵抗率の観点から5.00が好ましく、2.00がより好ましく、1.00が更に好ましく、0.80がより更に好ましく、0.50が特に好ましい。
前記亜リン酸エステル誘導体(A)の硫黄原子換算の含有量(XAS)及び前記チアジアゾール誘導体(B)の硫黄原子換算の含有量(XBS)の合計は、上限値以上であると極圧下での潤滑性能の観点から好ましく、上限値以下であると摩耗性能の観点から好ましい。下限値としては100質量ppmが好ましく、600質量ppmがより好ましく、800質量ppmが更に好ましく、1000質量ppmがより更に好ましく、1200質量ppmが特に好ましい。また、上限値としては10000質量ppmが好ましく、8000質量ppmがより好ましく、5000質量ppmが更に好ましく、3000質量ppmがより更に好ましく、2000質量ppmがより更に好ましく、1800質量ppmがより更に好ましく、1500質量ppmがより更に好ましく、1400質量ppmが特に好ましい。
本発明の潤滑油組成物に用いられる基油(C)は、特に制限はなく、潤滑油基油として使用可能な鉱油及び合成油から選択される1種以上を用いることができる。
鉱油としては、例えば、パラフィン系原油、中間基系原油、ナフテン系原油等の原油を常圧蒸留して得られる常圧残油;これらの常圧残油を減圧蒸留して得られる留出油;当該留出油を、溶剤脱れき、溶剤抽出、水素化分解、溶剤脱ろう、接触脱ろう、水素化精製等の精製処理を1つ以上施して得られる鉱油;フィッシャー・トロプシュ法等により製造されるワックス(GTLワックス(Gas To Liquids WAX))を異性化することで得られる鉱油等が挙げられる。
これらの鉱油は、単独で又は2種以上を併用してもよい。
合成油としては、例えば、ポリブテン、α-オレフィン単独重合体、及びα-オレフィン共重合体(例えば、エチレン-α-オレフィン共重合体等)等のポリα-オレフィン類;ポリオールエステル、二塩基酸エステル、リン酸エステル等の各種エステル油;ポリフェニルエーテル等の各種エーテル;ポリグリコール;アルキルベンゼン;アルキルナフタレンなどが挙げられる。
潤滑油基油(C)の動粘度及び粘度指数については特に制限はないが、潤滑油組成物の潤滑性能をより優れたものとし、潤滑油基油の取扱性をより良好なものとする観点から、動粘度及び粘度指数は、以下の範囲とすることが好ましい。
潤滑油基油(C)の40℃動粘度は、1mm2/s以上80mm2/s以下であることが好ましく、5mm2/s以上50mm2/s以下であることがより好ましく、10mm2/s以上30mm2/s以下であることが更に好ましい。
潤滑油基油(C)の粘度指数は、100以上が好ましく、110以上がより好ましく、120以上が更に好ましい。
本明細書において、動粘度、及び粘度指数は、JIS K 2283:2000に準拠し、ガラス製毛管式粘度計を用いて測定した値である。
本発明の一態様の潤滑油組成物は、本発明の効果を損なわない範囲で、他の添加剤を含有してもよい。
当該他の添加剤としては、消泡剤、粘度指数向上剤、耐摩耗剤、極圧剤、酸化防止剤、分散剤及び金属不活性化剤等が挙げられる。
これらは1種を単独で又は2種以上を組み合わせて用いてもよい。
亜リン酸エステル(A)以外の分子内に硫黄原子を持たない亜リン酸エステルをさらに含有していてもよい。
例えば、モノ(ジ)エチルハイドロジェンホスファイト、モノ(ジ)-n-プロピルハイドロジェンホスファイト、モノ(ジ)-n-ブチルハイドロジェンホスファイト、モノ(ジ)-2-エチルヘキシルハイドロジェンホスファイト、モノ(ジ)ラウリルハイドロジェンホスファイト、モノ(ジ)オレイルハイドジェンホスファイト、モノ(ジ)ステアリルハイドロジェンホスファイト、モノ(ジ)フェニルハイドロジェンホスファイト等が挙げられる。
金属不活性剤としてベンゾトリアゾール誘導体をさらに含有していてもよい。ベンゾトリアゾールを含有することにより、銅腐食防止性が向上するため好ましい。
ベンゾトリアゾール誘導体としては、一般式(D)で表される化合物が好ましい。
有機基としては、炭素原子数1以上20以下のアルキル基が好ましく、1つ以上の-CH2-が-O-、-S-、-COO-、-OCO-、-CSO-、-OCS-、-CH=CH-又は-C≡C-で置換されていてもよく、直鎖又は分岐していてもよいが、直鎖であることが好ましい。また、有機基の炭素原子数は1以上であることがより好ましく、2以上であることが更に好ましく、8以下であることが更に好ましく、4以下であることがより更に好ましく、2以下であることがより更に好ましい。更にRD11は水素原子又はメチル基であることが好ましく、RD12は水素原子又はメチル基であることが好ましい。
酸化防止剤としては、例えば、アミン系酸化防止剤、フェノール系酸化防止剤、モリブデン系酸化防止剤、硫黄系酸化防止剤、リン系酸化防止剤等が挙げられる。
アミン系酸化防止剤としては、例えば、ジフェニルアミン、炭素原子数3以上20以下のアルキル基を有するアルキル化ジフェニルアミン等のジフェニルアミン系酸化防止剤;α-ナフチルアミン、フェニル-α-ナフチルアミン、炭素原子数3以上20以下のアルキル基を有する置換フェニル-α-ナフチルアミン等のナフチルアミン系酸化防止剤;等が挙げられる。
フェノール系酸化防止剤としては、例えば、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、イソオクチル-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、オクタデシル-3-(3,5-ジ-t-ブチル-4-ヒドロキシフェニル)プロピオネート等のモノフェノール系酸化防止剤;4,4’-メチレンビス(2,6-ジ-t-ブチルフェノール)、2,2’-メチレンビス(4-エチル-6-t-ブチルフェノール)等のジフェノール系酸化防止剤;ヒンダードフェノール系酸化防止剤;等を挙げられる。
モリブデン系酸化防止剤としては、例えば、三酸化モリブデン及び/又はモリブデン酸とアミン化合物とを反応させてなるモリブデンアミン錯体等が挙げられる。
硫黄系酸化防止剤としては、例えば、ジラウリル-3,3’-チオジプロピオネイト等が挙げられる。
リン系酸化防止剤としては、例えば、ホスファイト等が挙げられる。
消泡剤としては、例えば、シリコーン油、フルオロシリコーン油、及びフルオロアルキルエーテル等が挙げられる。
粘度指数向上剤としては、例えば、非分散型ポリメタクリレート、分散型ポリメタクリレート、オレフィン系共重合体(例えば、エチレン-プロピレン共重合体等)、分散型オレフィン系共重合体、スチレン系共重合体(例えば、スチレン-ジエン共重合体、スチレン-イソプレン共重合体等)等の重合体が挙げられる。
本発明の一態様の潤滑油組成物は、潤滑油組成物の高温清浄性、塩基価維持性、及び長寿命性をより優れたものとする観点から、100℃動粘度、40℃動粘度、及び粘度指数が、以下に説明する範囲であることが好ましい。なお、当該潤滑油組成物の40℃動粘度、100℃動粘度、及び粘度指数は、JIS K2283-2000に準じて測定及び算出される値である。
本発明の一態様の潤滑油組成物は、100℃動粘度は、1mm2/s以上50mm2/s以下であることが好ましく、2mm2/s以上20mm2/s以下であることがより好ましく、3mm2/s以上10mm2/s以下であることが更に好ましい。
本発明の一態様の潤滑油組成物は、40℃動粘度が、1mm2/s以上80mm2/s以下であることが好ましく、5mm2/s以上50mm2/s以下であることがより好ましく、10mm2/s以上30mm2/s以下であることが更に好ましい。
本発明の一態様の潤滑油組成物は、粘度指数は100以上が好ましく、110以上がより好ましく、120以上が更に好ましい。
電動駆動ユニットは燃料電池自動車、電気自動車又はハイブリッド車に搭載される電動モータ、ギヤボックス及びインバータを有するものである。本発明の潤滑油組成物は電動モータの冷却及びギヤボックスの潤滑のために用いることが望ましい。
表1に示す配合量(質量%)で潤滑油組成物を調製した。得られたギヤ油組成物について、以下の方法により各種試験を行い、その物性を評価した。評価結果を表1に示す。なお、潤滑油組成物の動粘度は極圧性や耐摩耗性に影響するため、実施例1、3~5と比較例1~9とは動粘度をそろえて比較評価を行った。
(1)動粘度
ASTM D455に準拠し、40℃、100℃における動粘度を測定した。
(2)粘度指数(VI)
ASTM D2270に準拠して測定した。
(3)リン原子の含有量
ASTM D4951に準拠して測定した。
ASTM D5453に準拠して測定した。
(5)FZGスカッフィング試験(A10/16.6R/90)の測定
ASTM D5182に準拠し、A10タイプ歯車を用い、試料油温度90℃、回転数2900rpm、運転時間約7.5分間の条件下で、規定に沿って段階的に荷重を上げ、スカッフィングが発生した際の荷重のステージを求めた。
ASTM D4172に準拠し、20等級のSUJ-2製0.5インチ球を用い、油温80℃、回転数1800rpm、荷重392N、試験時間30分で実施したシェル四球摩耗試験における試験後の固定球の摩耗痕径(mm)を測定した。
(7)銅腐食防止性:銅溶出量
ISOT試験をJIS K-2514「潤滑油-酸化安定度試験」に準じて行った。すなわち、油に鉄-銅板を入れて、150℃で攪拌し、72時間後の銅溶出量をASTM D4951により測定した。
(8)体積抵抗率
JIS C 2101の24(体積抵抗率試験)に準拠し、室温80℃で測定した。
(A1-1):一般式(A1)において、RA11がC8H17-基であり、aA11が2である化合物
(A2-1):一般式(A2)において、RA21及びRA22がC8H17-基であり、aA21及びaA22が2である化合物
(B-1):一般式(B1)において、RB11及びRB12がともに-XB41-RB41であり、XB41が-S-S-であり、RB41が分岐した炭素原子数9のアルキル基である化合物
300TBN Ca スルホネート:分岐鎖状の非乾式炭化水素基を有するCaスルホネート、塩基価300mgKOH/g(過塩基性塩)、Ca原子含有量:12質量%
ポリメタクリレート:非分散型、重量平均分子量(Mw):5万
アルキル化ジフェニルアミン:「IRGANOX L57」、BASF社製
ヒンダードフェノール:「IRGANOX L135」、BASF社製
ベンゾトリアゾール:「TT-130F」、城北化学工業社製
比較化合物2:ジチオリン酸O,O-ジイソプロピルS-(2-エトキシカルボニルエチル)
比較化合物3:3-[[ビス(2-メチルプロポキシ)ホスフィノチオイル]チオ]-2-メチル-プロピオン酸
比較化合物4:トリス(ノニルフェニル)ホスファイト
比較化合物5:トリクレジルホスフェート
比較化合物6:ジオクチルハイドロジェンホスファイト
比較化合物7:ジラウリルハイドロジェンホスファイト
比較化合物8:ジオレイルハイドロジェンホスファイト
XAS:潤滑油組成物の全量基準での亜リン酸エステル誘導体(A)の硫黄原子換算での含有量(質量ppm)
XBP:潤滑油組成物の全量基準でのチアジアゾール誘導体(B)のリン原子換算での含有量(質量ppm)
XBS:潤滑油組成物の全量基準でのチアジアゾール誘導体(B)の硫黄原子換算での含有量(質量ppm)
100℃動粘度:100℃での動粘度
FZG(A10/16.6R/90):FZGスカッフィング試験(A10/16.6R/90)におけるスカッフィングが発生した際の荷重のステージ
これに対し、亜リン酸エステル誘導体(A)を含有せず、比較化合物1~8を含有する比較例1~8の潤滑油組成物は、いずれも摩耗痕径及び体積比抵抗率の点で実施例の組成物と比較して劣ることが分かった。
比較例9は実施例1の潤滑油組成物から一般式(B)に該当する化合物を除いた組成物であるが、銅溶出量は抑えられるものの、FZGスカッフィング試験の結果が著しく悪化し、本発明の課題である、高い極圧性を達成することができないことがわかった。
Claims (14)
- 1個の-CH2-基が-S-基に置換した炭素原子数1以上20以下のアルキル基を少なくとも1個有する亜リン酸エステル誘導体(A)と、
チアジアゾール誘導体(B)とを含有する潤滑油組成物。 - さらに基油(C)を含有する請求項1~3のいずれか1項に記載の潤滑油組成物。
- 潤滑油組成物中の亜リン酸エステル誘導体(A)における一般式(A1)で表される化合物の含有量が5質量%以上95質量%以下である請求項1~4のいずれか1項に記載の潤滑油組成物。
- 潤滑油組成物中の亜リン酸エステル誘導体(A)における一般式(A1)で表される化合物の含有量が70質量%以上95質量%以下である請求項1~4のいずれか1項に記載の潤滑油組成物。
- 前記亜リン酸エステル誘導体(A)の含有量が、潤滑油組成物全量基準で、0.05質量%以上1.0質量%以下である請求項1~6のいずれか1項に記載の潤滑油組成物。
- 前記チアジアゾール誘導体(B)の含有量が、潤滑油組成物全量基準で、0.05質量%以上1.0質量%以下である請求項1~7のいずれか1項に記載の潤滑油組成物。
- 前記潤滑油組成物の全量基準での前記亜リン酸エステル誘導体(A)のリン原子換算での含有量(XAP質量ppm)が50質量ppm以上10000質量ppm以下である請求項1~8のいずれか1項に記載の潤滑油組成物。
- 前記潤滑油組成物の全量基準での前記チアジアゾール誘導体(B)の硫黄原子換算での含有量(XBS質量ppm)が100質量ppm以上10000質量ppm以下である請求項1~9のいずれか1項に記載の潤滑油組成物。
- 前記XAPと前記XBSが、
0.05≦XAP/XBS≦5.00
の関係を満たす請求項10に記載の潤滑油組成物。 - 前記亜リン酸エステル誘導体(A)の硫黄原子換算の含有量及び前記チアジアゾール誘導体(B)の硫黄原子換算の含有量の合計が、組成物全量基準で、100質量ppm以上10000質量ppm以下である請求項1~11のいずれか1項に記載の潤滑油組成物。
- 電動駆動ユニットに用いられる請求項1~12のいずれか1項に記載の潤滑油組成物。
- 請求項1~12のいずれか1項に記載の潤滑油組成物を用いた電動駆動ユニット。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202180023959.5A CN115349008A (zh) | 2020-03-27 | 2021-03-25 | 润滑油组合物 |
EP21775324.3A EP4130208A4 (en) | 2020-03-27 | 2021-03-25 | LUBRICATING COMPOSITION |
JP2022510696A JPWO2021193869A1 (ja) | 2020-03-27 | 2021-03-25 | |
US17/907,049 US20230120889A1 (en) | 2020-03-27 | 2021-03-25 | Lubricant composition |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020058887 | 2020-03-27 | ||
JP2020-058887 | 2020-03-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2021193869A1 true WO2021193869A1 (ja) | 2021-09-30 |
Family
ID=77890710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2021/012722 WO2021193869A1 (ja) | 2020-03-27 | 2021-03-25 | 潤滑油組成物 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230120889A1 (ja) |
EP (1) | EP4130208A4 (ja) |
JP (1) | JPWO2021193869A1 (ja) |
CN (1) | CN115349008A (ja) |
WO (1) | WO2021193869A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023189695A1 (ja) * | 2022-03-30 | 2023-10-05 | 出光興産株式会社 | 潤滑油組成物 |
WO2023214505A1 (ja) * | 2022-05-06 | 2023-11-09 | 出光興産株式会社 | 潤滑油組成物、潤滑方法及び変速機 |
WO2023223965A1 (ja) * | 2022-05-16 | 2023-11-23 | 出光興産株式会社 | 潤滑油組成物 |
WO2024008739A1 (de) * | 2022-07-04 | 2024-01-11 | Volkswagen Ag | Flüssigkeitszusammensetzung zur verwendung in elektrischen antrieben |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009119669A1 (ja) * | 2008-03-28 | 2009-10-01 | 出光興産株式会社 | 丸ダイス転造加工用潤滑油組成物 |
WO2015194236A1 (ja) * | 2014-06-16 | 2015-12-23 | Jx日鉱日石エネルギー株式会社 | 変速機用潤滑油組成物 |
WO2016009670A1 (ja) * | 2014-07-15 | 2016-01-21 | Jx日鉱日石エネルギー株式会社 | 変速機用潤滑油組成物 |
JP2020172642A (ja) * | 2019-04-10 | 2020-10-22 | Eneos株式会社 | 潤滑油組成物 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4166872B2 (ja) * | 1997-10-06 | 2008-10-15 | 出光興産株式会社 | 新規な亜リン酸エステル誘導体 |
KR102579806B1 (ko) * | 2014-11-12 | 2023-09-15 | 더루우브리졸코오포레이션 | 윤활제 용도의 혼합 인 에스테르 |
US20210292676A1 (en) * | 2020-03-19 | 2021-09-23 | Chevron Japan Ltd. | Lubricating oil compositions for automatic transmissions |
-
2021
- 2021-03-25 WO PCT/JP2021/012722 patent/WO2021193869A1/ja active Application Filing
- 2021-03-25 US US17/907,049 patent/US20230120889A1/en active Pending
- 2021-03-25 JP JP2022510696A patent/JPWO2021193869A1/ja active Pending
- 2021-03-25 CN CN202180023959.5A patent/CN115349008A/zh active Pending
- 2021-03-25 EP EP21775324.3A patent/EP4130208A4/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009119669A1 (ja) * | 2008-03-28 | 2009-10-01 | 出光興産株式会社 | 丸ダイス転造加工用潤滑油組成物 |
WO2015194236A1 (ja) * | 2014-06-16 | 2015-12-23 | Jx日鉱日石エネルギー株式会社 | 変速機用潤滑油組成物 |
WO2016009670A1 (ja) * | 2014-07-15 | 2016-01-21 | Jx日鉱日石エネルギー株式会社 | 変速機用潤滑油組成物 |
JP2020172642A (ja) * | 2019-04-10 | 2020-10-22 | Eneos株式会社 | 潤滑油組成物 |
Non-Patent Citations (1)
Title |
---|
See also references of EP4130208A4 * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023189695A1 (ja) * | 2022-03-30 | 2023-10-05 | 出光興産株式会社 | 潤滑油組成物 |
WO2023214505A1 (ja) * | 2022-05-06 | 2023-11-09 | 出光興産株式会社 | 潤滑油組成物、潤滑方法及び変速機 |
WO2023223965A1 (ja) * | 2022-05-16 | 2023-11-23 | 出光興産株式会社 | 潤滑油組成物 |
WO2024008739A1 (de) * | 2022-07-04 | 2024-01-11 | Volkswagen Ag | Flüssigkeitszusammensetzung zur verwendung in elektrischen antrieben |
Also Published As
Publication number | Publication date |
---|---|
US20230120889A1 (en) | 2023-04-20 |
EP4130208A4 (en) | 2024-04-24 |
JPWO2021193869A1 (ja) | 2021-09-30 |
EP4130208A1 (en) | 2023-02-08 |
CN115349008A (zh) | 2022-11-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021193869A1 (ja) | 潤滑油組成物 | |
US11124732B2 (en) | Lubricant composition | |
KR101410177B1 (ko) | 기어유 조성물 | |
CN108699486B (zh) | 润滑油组合物、润滑方法、和变速器 | |
KR20120109594A (ko) | 윤활유 조성물 | |
JP6088238B2 (ja) | 回転式圧縮機用潤滑油組成物 | |
CN111748398A (zh) | 润滑油组合物 | |
CN108699487B (zh) | 润滑油组合物、润滑方法、和变速器 | |
EP2789680A1 (en) | Lubricating oil composition | |
EP2837677B1 (en) | Lubricating oil composition | |
WO2020218366A1 (ja) | 駆動系機器用潤滑油組成物、その製造方法、駆動系機器の潤滑方法及び駆動系機器 | |
CN108699485B (zh) | 润滑油组合物、润滑方法、和变速器 | |
JP4365080B2 (ja) | 焼結含油軸受油組成物及び焼結含油軸受ユニット | |
US11162049B2 (en) | Lubricant composition, mechanical device including lubricant composition, and method of producing lubricant composition | |
US11384310B2 (en) | Lubricating oil composition and production method therefor | |
JP2020090558A (ja) | 潤滑油組成物 | |
WO2023282134A1 (ja) | 潤滑油組成物 | |
JP7099876B2 (ja) | 潤滑油組成物及びその製造方法、駆動系機器の潤滑方法並びに駆動系機器 | |
WO2021200799A1 (ja) | 潤滑油組成物 | |
WO2023214505A1 (ja) | 潤滑油組成物、潤滑方法及び変速機 | |
WO2023188839A1 (ja) | 二輪車用潤滑油組成物 | |
WO2023190195A1 (ja) | 潤滑油組成物 | |
WO2023223965A1 (ja) | 潤滑油組成物 | |
JP2023125591A (ja) | 潤滑油組成物 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 21775324 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2022510696 Country of ref document: JP Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2021775324 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2021775324 Country of ref document: EP Effective date: 20221027 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |