JP2006274209A - 潤滑油組成物 - Google Patents
潤滑油組成物 Download PDFInfo
- Publication number
- JP2006274209A JP2006274209A JP2005100042A JP2005100042A JP2006274209A JP 2006274209 A JP2006274209 A JP 2006274209A JP 2005100042 A JP2005100042 A JP 2005100042A JP 2005100042 A JP2005100042 A JP 2005100042A JP 2006274209 A JP2006274209 A JP 2006274209A
- Authority
- JP
- Japan
- Prior art keywords
- group
- meth
- acrylate
- lubricating oil
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 239000010687 lubricating oil Substances 0.000 title claims abstract description 54
- 239000000203 mixture Substances 0.000 title claims abstract description 52
- 239000002199 base oil Substances 0.000 claims abstract description 51
- 229920000193 polymethacrylate Polymers 0.000 claims abstract description 24
- 239000000654 additive Substances 0.000 claims abstract description 14
- 230000000996 additive effect Effects 0.000 claims abstract description 12
- 239000000178 monomer Substances 0.000 claims description 34
- 229920001577 copolymer Polymers 0.000 claims description 27
- 150000002148 esters Chemical class 0.000 claims description 23
- 239000000314 lubricant Substances 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 abstract description 12
- -1 alkylnaphthalenes Chemical class 0.000 description 64
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 52
- 125000004432 carbon atom Chemical group C* 0.000 description 47
- 125000000217 alkyl group Chemical group 0.000 description 33
- 239000003921 oil Substances 0.000 description 22
- 125000003342 alkenyl group Chemical group 0.000 description 16
- 230000001050 lubricating effect Effects 0.000 description 15
- 229920002554 vinyl polymer Polymers 0.000 description 15
- 229910052799 carbon Inorganic materials 0.000 description 14
- 239000002904 solvent Substances 0.000 description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 11
- 150000004678 hydrides Chemical class 0.000 description 10
- 238000011282 treatment Methods 0.000 description 10
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000007670 refining Methods 0.000 description 9
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 8
- 239000002253 acid Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 239000005038 ethylene vinyl acetate Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 6
- 239000003112 inhibitor Substances 0.000 description 6
- 239000004711 α-olefin Substances 0.000 description 6
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 5
- 150000008064 anhydrides Chemical class 0.000 description 5
- 239000002585 base Substances 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 5
- 239000003599 detergent Substances 0.000 description 5
- 235000014113 dietary fatty acids Nutrition 0.000 description 5
- 239000002270 dispersing agent Substances 0.000 description 5
- 239000000194 fatty acid Substances 0.000 description 5
- 229930195729 fatty acid Natural products 0.000 description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 5
- 229920001515 polyalkylene glycol Polymers 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 4
- 150000001412 amines Chemical group 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 4
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 4
- 239000004927 clay Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 125000002704 decyl group Chemical group [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])* 0.000 description 4
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 150000004665 fatty acids Chemical class 0.000 description 4
- 239000003607 modifier Substances 0.000 description 4
- 239000012188 paraffin wax Substances 0.000 description 4
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 4
- 229920013639 polyalphaolefin Polymers 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- AFFLGGQVNFXPEV-UHFFFAOYSA-N 1-decene Chemical compound CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 3
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 125000003118 aryl group Chemical group 0.000 description 3
- 238000004517 catalytic hydrocracking Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 3
- 125000003438 dodecyl group Chemical group [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])* 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 125000000623 heterocyclic group Chemical group 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 238000005461 lubrication Methods 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002480 mineral oil Substances 0.000 description 3
- 235000010446 mineral oil Nutrition 0.000 description 3
- 125000001421 myristyl 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])[H] 0.000 description 3
- 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 3
- 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 3
- 239000005011 phenolic resin Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 150000003335 secondary amines Chemical class 0.000 description 3
- 125000004079 stearyl 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])C([H])([H])C([H])([H])[H] 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- KBPLFHHGFOOTCA-UHFFFAOYSA-N 1-Octanol Chemical compound CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910015900 BF3 Inorganic materials 0.000 description 2
- 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 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- MZVQCMJNVPIDEA-UHFFFAOYSA-N [CH2]CN(CC)CC Chemical group [CH2]CN(CC)CC MZVQCMJNVPIDEA-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 150000003863 ammonium salts Chemical class 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 125000001204 arachidyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 125000002511 behenyl 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])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- 150000001733 carboxylic acid esters Chemical class 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 125000003901 ceryl 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])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 2
- 239000003086 colorant Substances 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- UKMSUNONTOPOIO-UHFFFAOYSA-N docosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCCCC(O)=O UKMSUNONTOPOIO-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- FKRCODPIKNYEAC-UHFFFAOYSA-N ethyl propionate Chemical compound CCOC(=O)CC FKRCODPIKNYEAC-UHFFFAOYSA-N 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 2
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- VKOBVWXKNCXXDE-UHFFFAOYSA-N icosanoic acid Chemical compound CCCCCCCCCCCCCCCCCCCC(O)=O VKOBVWXKNCXXDE-UHFFFAOYSA-N 0.000 description 2
- 125000003010 ionic group Chemical group 0.000 description 2
- 125000002463 lignoceryl 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])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 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000006078 metal deactivator Substances 0.000 description 2
- 239000012184 mineral wax Substances 0.000 description 2
- 125000002819 montanyl 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])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 2
- 229910017464 nitrogen compound Inorganic materials 0.000 description 2
- 150000002830 nitrogen compounds Chemical class 0.000 description 2
- 125000001400 nonyl 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])[H] 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 150000003014 phosphoric acid esters Chemical class 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 230000000379 polymerizing effect Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000005077 polysulfide Substances 0.000 description 2
- 229920001021 polysulfide Polymers 0.000 description 2
- 150000008117 polysulfides Polymers 0.000 description 2
- 235000019260 propionic acid Nutrition 0.000 description 2
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound 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 2
- 239000000126 substance Substances 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 150000005846 sugar alcohols Polymers 0.000 description 2
- 125000000446 sulfanediyl group Chemical group *S* 0.000 description 2
- 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 2
- 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 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001868 water Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- UUGXDEDGRPYWHG-UHFFFAOYSA-N (dimethylamino)methyl 2-methylprop-2-enoate Chemical compound CN(C)COC(=O)C(C)=C UUGXDEDGRPYWHG-UHFFFAOYSA-N 0.000 description 1
- DQHWXDMKGYBSRD-CCEZHUSRSA-N (e)-4-oxo-4-tetradecoxybut-2-enoic acid Chemical compound CCCCCCCCCCCCCCOC(=O)\C=C\C(O)=O DQHWXDMKGYBSRD-CCEZHUSRSA-N 0.000 description 1
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Abstract
【解決手段】 (A)100℃における動粘度が1.5〜6mm2/s、流動点が−35℃〜−10℃の基油から選ばれる1種又は2種以上の潤滑油基油と、(B)ポリ(メタ)アクリレート系添加剤と、(C)低温流動性向上剤と含有することを特徴とする潤滑油組成物を提供する。
【選択図】 なし
Description
本発明の潤滑油組成物は、(A)100℃における動粘度が1.5〜6mm2/s、流動点が−35℃〜−10℃の基油から選ばれる1種又は2種以上の潤滑油基油を含有する。前記(A)成分としては、上記規定を満たす限り特に制限はないが、原油を常圧蒸留及び減圧蒸留して得られた潤滑油留分を、溶剤脱れき、溶剤抽出、水素化分解、水素化精製、溶剤脱ろう、接触脱ろう、硫酸洗浄、白土処理等の精製処理を単独又は二つ以上適宜組み合わせて精製されたパラフィン系、ナフテン系等の鉱油系潤滑油基油や、ノルマルパラフィン系基油、イソパラフィン系基油等が挙げられる。
(1) パラフィン基系原油及び/又は混合基系原油の常圧蒸留による留出油;
(2) パラフィン基系原油及び/又は混合基系原油の常圧蒸留残渣油の減圧蒸留留出油(WVGO);
(3) 潤滑油脱ろう工程により得られるワックス及び/又はGTLプロセス等により製造されるフィッシャートロプシュワックス;
(4) (1)〜(3)の中から選ばれる1種又は2種以上の混合油のマイルドハイドロクラッキング処理油(MHC);
(5) (1)〜(4)の中から選ばれる2種以上の油の混合油;
(6) (1)、(2)、(3)、(4)又は(5)の脱れき油(DAO);
(7) (6)のマイルドハイドロクラッキング処理油(MHC);
(8) (1)〜(7)の中から選ばれる2種以上の油の混合油などを原料油とし、この原料油及び/又はこの原料油から回収された潤滑油留分を、通常の精製方法によって精製し、潤滑油留分を回収することによって得られる潤滑油
(ア)水素化分解、水素化仕上げなどの水素化精製、
(イ)フルフラール溶剤抽出などの溶剤精製、
(ウ)溶剤脱ろうや接触脱ろうなどの脱ろう、
(エ)酸性白土や活性白土などによる白土精製、
(オ)硫酸洗浄、苛性ソーダ洗浄などの薬品(酸またはアルカリ)精製
などが挙げられる。本発明ではこれらの1つ又は2つ以上を任意の組み合わせ及び任意の順序で採用することができる。
本発明の潤滑油組成物における(B)成分はポリ(メタ)アクリレート系添加剤である。(B)成分は、通常、重量平均分子量が1万〜100万のものが使用でき、粘度温度特性、特に低温粘度特性を改善しやすい点で、好ましくは5万〜50万、より好ましくは5万〜30万である。なお、ここでいう重量平均分子量は、ウォーターズ社製150−C ALC/GPC装置に東ソー社製のGMHHR−M(7.8mmID×30cm)のカラムを2本直列に使用し、溶媒としてはテトラヒドロフラン、温度23℃、流速1mL/分、試料濃度1質量%、試料注入量75μL、検出器示差屈折率計(RI)で測定したポリスチレン換算の重量平均分子量を意味する。ただし、同様の結果が得られるのであれば、同様の装置を用いた類似の測定方法を用いても良い。
(B1)成分としては、具体的には、メチル(メタ)アクリレート、エチル(メタ)アクリレート、n−又はi−プロピル(メタ)アクリレート、n−、i−又はsec−ブチル(メタ)アクリレート等が挙げられ、メチル(メタ)アクリレートが好ましい。
(B2)成分としては、具体的には、オクチル(メタ)アクリレート、ノニル(メタ)アクリレート、デシル(メタ)アクリレート、ウンデシル(メタ)アクリレート、ドデシル(メタ)アクリレート、トリデシル(メタ)アクリレート、テトラデシル(メタ)アクリレート、ペンタデシル(メタ)アクリレート(これらは直鎖でも分枝状であってもよい。);オクテニル(メタ)アクリレート、ノネニル(メタ)アクリレート、デセニル(メタ)アクリレート、ウンデセニル(メタ)アクリレート、ドデセニル(メタ)アクリレート、トリデセニル(メタ)アクリレート、テトラデセニル(メタ)アクリレート、ペンタデセニル(メタ)アクリレート(これらは直鎖でも分枝状であってもよい。)等が挙げられ、炭素数12〜15の直鎖アルキル基を主成分として有する(メタ)アクリレートが好ましい。
(B3)成分としては、好ましくは炭素数16〜20の直鎖アルキル基、より好ましくは炭素数16又は18の直鎖アルキル基を有する(メタ)アクリレートであり、具体的には、n−ヘキサデシル(メタ)アクリレート、n−オクタデシル(メタ)アクリレート、n−イコシル(メタ)アクリレート、n−ドコシル(メタ)アクリレート、n−テトラコシル(メタ)アクリレート、n−ヘキサコシル(メタ)アクリレート、n−オクタコシル(メタ)アクリレート等が挙げられ、特に、n−ヘキサデシル(メタ)アクリレート、n−オクタデシル(メタ)アクリレートが好ましい。
(B4)成分としては、好ましくは炭素数20〜28の分枝アルキル基、より好ましくは炭素数22〜26分枝アルキル基を有する(メタ)アクリレートであり、具体的には、分枝ヘキサデシル(メタ)アクリレート、分枝オクタデシル(メタ)アクリレート、分枝イコシル(メタ)アクリレート、分枝ドコシル(メタ)アクリレート、分枝テトラコシル(メタ)アクリレート、分枝ヘキサコシル(メタ)アクリレート、分枝オクタコシル(メタ)アクリレート等が挙げられ、好ましくは−C−C(R5)R6で表されるような、炭素数16〜30、好ましくは炭素数20〜28、より好ましくは炭素数22〜26の分枝アルキル基を有する(メタ)アクリレートが挙げられる。ここで、R5及びR6は、R4の炭素数が16〜30となる限りにおいて何ら制限はないが、R5としては、好ましくは炭素数6〜12、より好ましくは炭素数10〜12の直鎖アルキル基、R6としては、好ましくは炭素数10〜16、より好ましくは炭素数14〜16の直鎖アルキル基である。(B4)成分としては、より具体的には、2−デシル−テトラデシル(メタ)アクリレート、2−ドデシル−ヘキサデシル(メタ)アクリレート、2−デシル−テトラデシルオキシエチル(メタ)アクリレート等の炭素数20〜30の分枝状アルキル基を有する(メタ)アクリレートが挙げられる。
(B5)成分としては、アミド基含有ビニルモノマー、ニトロ基含有モノマー、1〜3級アミノ基含有ビニルモノマー、含窒素複素環含有ビニルモノマー及びこれらの塩酸塩、硫酸塩、燐酸塩、低級アルキル(炭素数1〜8)モノカルボン酸塩、第4級アンモニウム塩基含有ビニルモノマー、酸素及び窒素を含有する両性ビニルモノマー、ニトリル基含有モノマー、脂肪族炭化水素系ビニルモノマー、脂環式炭化水素系ビニルモノマー、芳香族炭化水素系ビニルモノマー、ビニルエステル、ビニルエーテル、ビニルケトン類、エポキシ基含有ビニルモノマー、ハロゲン元素含有ビニルモノマー、不飽和ポリカルボン酸のエステル、ヒドロキシル基含有ビニルモノマー、ポリオキシアルキレン鎖含有ビニルモノマー、アニオン性基、燐酸基、スルホン酸基、又は硫酸エステル基含有イオン性基含有ビニルモノマー含有ビニルモノマー及びこれらの1価金属塩、2価金属塩、アミン塩若しくはアンモニウム塩等が挙げられる。(B5)成分としては、具体的には、これらのうち、4−ジフェニルアミン(メタ)アクリルアミド、2−ジフェニルアミン(メタ)アクリルアミド、ジメチルアミノエチル(メタ)アクリルアミド、ジエチルアミノエチル(メタ)アクリルアミド、ジメチルアミノプロピル(メタ)アクリルアミド、ジメチルアミノメチルメタクリレート、ジエチルアミノメチルメタクリレート、ジメチルアミノエチル(メタ)アクリレート、ジエチルアミノエチル(メタ)アクリレート、モルホリノメチルメタクリレート、モルホリノエチルメタクリレート、2−ビニル−5−メチルピリジン、N−ビニルピロリドン等の窒素含有モノマーが好ましい例として挙げられる。
1)(B1)及び(B2)の共重合体である非分散型ポリ(メタ)アクリレート又はその水素化物、
2)(B2)及び(B3)の共重合体である非分散型ポリ(メタ)アクリレート又はその水素化物、
3)(B1)、(B2)及び(B3)の共重合体である非分散型ポリ(メタ)アクリレート又はその水素化物、
4)(B1)、(B2)、(B3)及び(B4)の共重合体である非分散型ポリ(メタ)アクリレート又はその水素化物、
5)(B1)、(B2)及び(B5)の共重合体である分散型ポリ(メタ)アクリレート又はその水素化物、
6)(B1)、(B2)、(B3)及び(B5)の共重合体である分散型ポリ(メタ)アクリレート又はその水素化物、
7)(B1)、(B2)、(B3)、(B4)及び(B5)の共重合体である分散型ポリ(メタ)アクリレート又はその水素化物、
が挙げられ、上記1)〜4)の非分散型ポリ(メタ)アクリレート系化合物であることがより好ましく、上記2)〜4)の非分散型ポリ(メタ)アクリレート系化合物であることがさらに好ましく、上記3)の非分散型ポリ(メタ)アクリレート系化合物であることが特に好ましい。
本発明における(C)低温流動性向上剤としては、10℃以下で析出するn−パラフィンを主とするワックスの結晶構造を改質する性質を有する公知の低温流動性向上剤が挙げられ、例えば、軽油やA重油等のいわゆる中間留分燃料の低温流動性を改善するために使用される公知の低温流動性向上剤が例示できる。本発明における(C)低温流動性向上剤としては、その種類は特に限定されるものではないが、例えば、以下のものが例示できる。
(C1)不飽和エステルを含むモノマーの(共)重合体
(C2)ポリアルキレングリコールのカルボン酸エステル
(C3)ヒドロカルビルアミン、該アミンとカルボン酸との反応生成物
(C4)フェノール樹脂
本発明の潤滑油組成物に粘度指数向上剤を配合する場合、その配合量は、通常、組成物全量基準で0.1〜15質量%、好ましくは0.5〜5質量%である。
本発明の潤滑油組成物に極圧剤を配合する場合、その配合量は、通常、組成物全量基準で0.1〜10質量%、好ましくは0.5〜5質量%である。
本発明の潤滑油組成物に分散剤を配合する場合、その配合量は、通常、組成物全量基準で0.1〜15質量%、好ましくは0.5〜10質量%である。
本発明の潤滑油組成物に金属系清浄剤を配合する場合、その配合量は、通常、組成物全量基準で0.1〜15質量%、好ましくは0.5〜10質量%である。
本発明においては、上記摩擦調整剤の中から任意に選ばれる1種類あるいは2種類以上の化合物を任意の量で含有させることができるが、通常、その含有量は、組成物全量基準で0.01〜5質量%、好ましくは0.03〜3質量%である。
これらの中から任意に選ばれた1種類あるいは2種類以上の化合物は、任意の量を含有させることができるが、通常、その含有量は、潤滑油組成物全量基準で0.01〜5質量%、好ましくは0.1〜3質量%であるのが望ましい。
表1に示す組成の、(C)成分を配合しない従来の潤滑油組成物(比較例1)及び、本発明の規定を満たす潤滑油組成物(実施例1〜4)をそれぞれ調製した。得られた組成物について、下記に示す条件によって低温フィルタビリティ試験を実施し、その結果を表1に併記した。
試験装置:JIS K 2888「軽油の目詰まり点試験法」で規定される装置及びろ過器、直径12.5mm、目開き20〜30μmのオイルフィルターを用い、200mlの試料を当該装置にセットした。試料温度を25℃で30分保持後、5℃/hの冷却速度で−30℃まで冷却し、10時間静置後、吸引圧750mmHgで吸引ろ過を開始した。供試油の吸引量が20mlとなるまでの時間(秒)をろ過時間とした。
Claims (2)
- (A)100℃における動粘度が1.5〜6mm2/s、流動点が−35℃〜−10℃の基油から選ばれる1種又は2種以上の潤滑油基油と、(B)ポリ(メタ)アクリレート系添加剤と、(C)低温流動性向上剤と含有することを特徴とする潤滑油組成物。
- 前記(C)成分が不飽和エステルを含むモノマーの(共)共重合体を含むことを特徴とする請求項1に記載の潤滑油組成物。
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