JP5789301B2 - 星型ポリマーおよびその潤滑組成物 - Google Patents
星型ポリマーおよびその潤滑組成物 Download PDFInfo
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- JP5789301B2 JP5789301B2 JP2013526147A JP2013526147A JP5789301B2 JP 5789301 B2 JP5789301 B2 JP 5789301B2 JP 2013526147 A JP2013526147 A JP 2013526147A JP 2013526147 A JP2013526147 A JP 2013526147A JP 5789301 B2 JP5789301 B2 JP 5789301B2
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- lubricating composition
- meth
- acrylate
- alkyl
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- 239000000203 mixture Substances 0.000 title claims description 163
- 229920000642 polymer Polymers 0.000 title claims description 122
- 230000001050 lubricating effect Effects 0.000 title claims description 115
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 119
- -1 alkyl methacrylates Chemical class 0.000 claims description 110
- 239000002270 dispersing agent Substances 0.000 claims description 72
- 125000000217 alkyl group Chemical group 0.000 claims description 54
- 239000003921 oil Substances 0.000 claims description 48
- 150000001412 amines Chemical class 0.000 claims description 44
- 239000003795 chemical substances by application Substances 0.000 claims description 44
- 239000000178 monomer Substances 0.000 claims description 44
- 229910052698 phosphorus Inorganic materials 0.000 claims description 42
- 125000004432 carbon atom Chemical group C* 0.000 claims description 40
- 239000011574 phosphorus Substances 0.000 claims description 40
- 239000003599 detergent Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 32
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 29
- 150000002148 esters Chemical class 0.000 claims description 29
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 28
- 239000002253 acid Substances 0.000 claims description 25
- 229910052799 carbon Inorganic materials 0.000 claims description 24
- 239000003607 modifier Substances 0.000 claims description 19
- 239000004034 viscosity adjusting agent Substances 0.000 claims description 19
- 229960002317 succinimide Drugs 0.000 claims description 18
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 150000003839 salts Chemical class 0.000 claims description 17
- 229920002554 vinyl polymer Polymers 0.000 claims description 17
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229920002367 Polyisobutene Polymers 0.000 claims description 15
- 239000003963 antioxidant agent Substances 0.000 claims description 15
- 239000003112 inhibitor Substances 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 14
- 230000007797 corrosion Effects 0.000 claims description 14
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 12
- 238000006116 polymerization reaction Methods 0.000 claims description 12
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 11
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 claims description 11
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 9
- 238000010526 radical polymerization reaction Methods 0.000 claims description 9
- 150000001721 carbon Chemical group 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 229920001577 copolymer Polymers 0.000 claims description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 6
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 claims description 5
- 229910019142 PO4 Inorganic materials 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 235000021317 phosphate Nutrition 0.000 claims description 5
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 230000001404 mediated effect Effects 0.000 claims description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 4
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 2
- 101710141544 Allatotropin-related peptide Proteins 0.000 claims 1
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims 1
- 239000000314 lubricant Substances 0.000 description 28
- 150000001875 compounds Chemical class 0.000 description 23
- 239000012530 fluid Substances 0.000 description 22
- 125000001183 hydrocarbyl group Chemical group 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 17
- 238000006243 chemical reaction Methods 0.000 description 17
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 16
- 229910052757 nitrogen Inorganic materials 0.000 description 15
- 239000000654 additive Substances 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 13
- 229920000768 polyamine Polymers 0.000 description 13
- 239000000047 product Substances 0.000 description 12
- 229910052717 sulfur Inorganic materials 0.000 description 12
- XXUJMEYKYHETBZ-UHFFFAOYSA-N ethyl 4-nitrophenyl ethylphosphonate Chemical compound CCOP(=O)(CC)OC1=CC=C([N+]([O-])=O)C=C1 XXUJMEYKYHETBZ-UHFFFAOYSA-N 0.000 description 10
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 9
- 239000012208 gear oil Substances 0.000 description 9
- 125000001931 aliphatic group Chemical group 0.000 description 8
- 239000003085 diluting agent Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 7
- 150000003141 primary amines Chemical class 0.000 description 7
- 239000011593 sulfur Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- DBCAQXHNJOFNGC-UHFFFAOYSA-N 4-bromo-1,1,1-trifluorobutane Chemical compound FC(F)(F)CCCBr DBCAQXHNJOFNGC-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 239000007822 coupling agent Substances 0.000 description 6
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 6
- 229920005862 polyol Polymers 0.000 description 6
- 150000003077 polyols Chemical class 0.000 description 6
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical compound S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 description 5
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 5
- TXRSZLVALCTWSR-UHFFFAOYSA-N butyl 2-dodecylsulfanylcarbothioylsulfanyl-2-methylpropanoate Chemical compound CCCCCCCCCCCCSC(=S)SC(C)(C)C(=O)OCCCC TXRSZLVALCTWSR-UHFFFAOYSA-N 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 5
- 150000002924 oxiranes Chemical class 0.000 description 5
- 238000002360 preparation method Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 description 4
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 4
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 4
- 239000008186 active pharmaceutical agent Substances 0.000 description 4
- 150000001342 alkaline earth metals Chemical class 0.000 description 4
- 239000002199 base oil Substances 0.000 description 4
- 235000010338 boric acid Nutrition 0.000 description 4
- 229960002645 boric acid Drugs 0.000 description 4
- HQABUPZFAYXKJW-UHFFFAOYSA-N butan-1-amine Chemical compound CCCCN HQABUPZFAYXKJW-UHFFFAOYSA-N 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 239000010705 motor oil Substances 0.000 description 4
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 4
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 235000011007 phosphoric acid Nutrition 0.000 description 4
- 229920013639 polyalphaolefin Polymers 0.000 description 4
- WGYKZJWCGVVSQN-UHFFFAOYSA-N propylamine Chemical compound CCCN WGYKZJWCGVVSQN-UHFFFAOYSA-N 0.000 description 4
- 238000012712 reversible addition−fragmentation chain-transfer polymerization Methods 0.000 description 4
- 150000003335 secondary amines Chemical class 0.000 description 4
- 150000003512 tertiary amines Chemical class 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- KOBJYYDWSKDEGY-UHFFFAOYSA-N 2-phenylpropan-2-yl benzenecarbodithioate Chemical compound C=1C=CC=CC=1C(C)(C)SC(=S)C1=CC=CC=C1 KOBJYYDWSKDEGY-UHFFFAOYSA-N 0.000 description 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 3
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- 102100023457 Chloride channel protein 1 Human genes 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 3
- 102100034472 H(+)/Cl(-) exchange transporter 4 Human genes 0.000 description 3
- 101000906651 Homo sapiens Chloride channel protein 1 Proteins 0.000 description 3
- 101000710229 Homo sapiens H(+)/Cl(-) exchange transporter 4 Proteins 0.000 description 3
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 3
- 239000004435 Oxo alcohol Substances 0.000 description 3
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
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- 125000001196 nonadecyl 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])[H] 0.000 description 1
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- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- 150000003016 phosphoric acids Chemical class 0.000 description 1
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- 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
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- FIUNVVREDGDHKO-UHFFFAOYSA-N tert-butylsulfanyl benzenecarbodithioate Chemical compound CC(C)(C)SSC(=S)C1=CC=CC=C1 FIUNVVREDGDHKO-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
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- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
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- DVOXUQOFLMNRPW-UHFFFAOYSA-L zinc;(2-heptylphenoxy)-(2-heptylphenyl)sulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCCC1=CC=CC=C1OP([O-])(=S)SC1=CC=CC=C1CCCCCCC.CCCCCCCC1=CC=CC=C1OP([O-])(=S)SC1=CC=CC=C1CCCCCCC DVOXUQOFLMNRPW-UHFFFAOYSA-L 0.000 description 1
- WNBGUYXVNNDNEH-UHFFFAOYSA-L zinc;2-methylpropoxy-(2-methylpropylsulfanyl)-oxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CC(C)COP([O-])(=S)SCC(C)C.CC(C)COP([O-])(=S)SCC(C)C WNBGUYXVNNDNEH-UHFFFAOYSA-L 0.000 description 1
- VYEHCXHIPZIYIJ-UHFFFAOYSA-L zinc;dodecoxy-dodecylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCCCCCCCOP([O-])(=S)SCCCCCCCCCCCC.CCCCCCCCCCCCOP([O-])(=S)SCCCCCCCCCCCC VYEHCXHIPZIYIJ-UHFFFAOYSA-L 0.000 description 1
- CWARVPYFLMQZPG-UHFFFAOYSA-L zinc;heptoxy-heptylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCCOP([O-])(=S)SCCCCCCC.CCCCCCCOP([O-])(=S)SCCCCCCC CWARVPYFLMQZPG-UHFFFAOYSA-L 0.000 description 1
- SMHSUQSYYIPZSI-UHFFFAOYSA-L zinc;nonoxy-nonylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCCCCCOP([O-])(=S)SCCCCCCCCC.CCCCCCCCCOP([O-])(=S)SCCCCCCCCC SMHSUQSYYIPZSI-UHFFFAOYSA-L 0.000 description 1
- HHMFJIHYTYQNJP-UHFFFAOYSA-L zinc;oxido-pentoxy-pentylsulfanyl-sulfanylidene-$l^{5}-phosphane Chemical compound [Zn+2].CCCCCOP([O-])(=S)SCCCCC.CCCCCOP([O-])(=S)SCCCCC HHMFJIHYTYQNJP-UHFFFAOYSA-L 0.000 description 1
Classifications
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- 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
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—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
- C10M145/12—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 monocarboxylic
- C10M145/14—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
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/02—Petroleum fractions
-
- 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
- C10M101/00—Lubricating compositions characterised by the base-material being a mineral or fatty oil
- C10M101/04—Fatty oil fractions
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- C—CHEMISTRY; METALLURGY
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Description
該星型ポリマーが、少なくとも2つの内部ブロックに結合しているコアを含み、該内部ブロックの少なくとも1つが同様に1つ以上の外部ブロックに結合しており、
前記内部ブロックが、
(a)15重量%から90重量%のC1〜4−アルキル(メタ)アクリラート由来の単位(典型的にメチルメタクリラートを含む)と、
(b)(a)とは異なる、10重量%から85重量%のC4〜18−アルキル(メタ)アクリラート由来の単位(またはC5〜18−アルキル(メタ)アクリラート由来の単位)であって、該(メタ)アクリラートアルキル基が1.5から8の数平均炭素数を有する単位と、
(c)モノマー(例えばスチレンまたはビニルトルエン)からの、0重量%から5重量%のビニル芳香族由来の単位(典型的には0重量%から2重量%、または0重量%のビニル芳香族単位)と、
(d)分散剤モノマーから誘導される、0重量%から5重量%の分散剤単位と
を含み、
前記外部ブロックが、
(a)50から95重量%のC10〜16−アルキル(メタ)アクリラート由来の単位(またはC10〜15−アルキル(メタ)アクリラート由来の単位)と、
(b)(a)とは異なる、5重量%から50重量%のC1〜20−アルキル(メタ)アクリラート由来の単位であって、該外部ブロックが前記内部ブロックとは異なる単位と、
(c)分散剤モノマーから誘導される、0重量%から5重量%の分散剤単位(典型的には0重量%から2重量%、または0重量%の分散剤基)であって、その(メタ)アクリラートアルキル基が7より大きい数平均炭素数(例えば、7より大きく16または13まで。該数平均炭素数は、7超から16、または8から13であり得る)を有する単位と、
(d)モノマー(例えばスチレンまたはビニルトルエン)からの、0重量%から5重量%のビニル芳香族由来単位と
を含み;ならびに
前記内部ブロックのアルキル基と前記外部ブロックのアルキル基との間の数平均炭素原子数の差が少なくとも0.8であり;および
前記内部ブロックのアルキル基中の数平均炭素原子数が、前記外部ブロックのアルキル基中の平均炭素原子数より少ない、
潤滑組成物に備えるものである。
該星型ポリマーが、少なくとも2つの内部ブロックに結合しているコアを含み、該内部ブロックの少なくとも1つ、
(a)20重量%から90重量%のC1〜4−アルキル(メタ)アクリラート由来の単位、
(b)10重量%から80重量%のC5〜18−アルキル(メタ)アクリラート由来の単位であって、該内部ブロックの(メタ)アクリラートアルキル基が1.5から8の数平均炭素数を有する単位、および
(c)モノマーからの、0重量%のビニル芳香族由来の単位、
(d)分散剤モノマーから誘導される、0重量%の分散剤単位、
が同様に1つ以上の外部ブロックに結合しており;
前記少なくとも1つの外部ブロックが、
(a)50から95重量%のC10〜16−アルキル(メタ)アクリラート由来の単位(またはC10〜15−アルキル(メタ)アクリラート由来の単位)と、
(b)(a)とは異なる、5重量%から50重量%のC1〜20−アルキルメタクリラート由来の単位であって、該外部ブロックが前記内部ブロックとは異なる単位と、
(c)分散剤モノマーから誘導される、0重量%の分散剤単位であって、該外部ブロックの(メタ)アクリラートアルキル基が7より大きい数平均炭素数を有する単位と、
(d)モノマーからの、0重量%のビニル芳香族由来単位と
を含み;ならびに
前記内部ブロックのアルキル基中の数平均炭素原子数と前記外部ブロックのアルキル基中の数平均炭素原子数との間の差が、0.8から8、または2から5であり;および
前記内部ブロックのアルキル基中の数平均炭素原子数が、前記外部ブロックのアルキル基中の数平均炭素原子数より少ない、
潤滑組成物に備えるものである。
特定の実施形態では、例えば以下が提供される:
(項目1)
潤滑粘度の油と星型ポリマーとを含む潤滑組成物であって、
該星型ポリマーが、少なくとも2つの内部ブロックに結合しているコアを含み、該内部ブロックの少なくとも1つが同様に1つ以上の外部ブロックに結合しており、
少なくとも1つの内部ブロックが、
(a)20重量%から90重量%のC 1〜4 −アルキル(メタ)アクリラート由来の単位と、
(b)(a)とは異なる、10重量%から80重量%のC 4〜18 −アルキル(メタ)アクリラート由来の単位(またはC 5〜18 −アルキル(メタ)アクリラート由来の単位)であって、該内部ブロックの(メタ)アクリラートアルキル基が1.5から8の数平均炭素数を有する単位と、
(c)モノマー(例えばスチレンまたはビニルトルエン)からの、0重量%から5重量%のビニル芳香族由来の単位と、
(d)分散剤モノマーから誘導される、0重量%から5重量%の分散剤単位と
を含み、
少なくとも1つの外部ブロックが、
(a)50から95重量%のC 10〜16 −アルキル(メタ)アクリラート由来の単位と、
(b)(a)とは異なる、5重量%から50重量%のC 1〜20 −アルキルメタクリラート由来の単位であって、該外部ブロックが該内部ブロックとは異なる単位と、
(c)分散剤モノマーから誘導される、0重量%から5重量%の分散剤単位であって、該外部ブロックの(メタ)アクリラートアルキル基が7より大きい数平均炭素数を有する単位と、
(d)モノマー(例えばスチレンまたはビニルトルエン)からの、0重量%から5重量%のビニル芳香族由来単位と
を含み;ならびに
該内部ブロックのアルキル基と該外部ブロックのアルキル基との間の数平均炭素原子数の差が少なくとも0.8であり(該内部ブロックと該外部ブロックとの間の数平均炭素原子数の差は、少なくとも1.2もしくは少なくとも2.0もしくは少なくとも2.8であってもよく、または0.8から8もしくは2から5を含む範囲であってもよい);および
該内部ブロックのアルキル基中の数平均炭素原子数が、該外部ブロックのアルキル基中の平均炭素原子数より少ない、
潤滑組成物。
(項目2)
前記(メタ)アクリラート由来の単位が、メタクリラート由来の単位、またはそれらの混合物である、項目1に記載の潤滑組成物。
(項目3)
前記星型ポリマーが、0重量%から2重量%の分散剤単位および0重量%から2重量%のビニル芳香族単位を含む、前記項目のいずれかに記載の潤滑組成物。
(項目4)
前記星型ポリマーが、0重量%の分散剤単位および0重量%のビニル芳香族由来の単位を含む、前記項目のいずれかに記載の潤滑組成物。
(項目5)
前記内部ブロックが、
(a)20重量%から90重量%のC 1〜4 −アルキル(メタ)アクリラート由来の単位と、
(b)10重量%から80重量%のC 5〜18 −アルキル(メタ)アクリラート由来の単位であって、該内部ブロックの(メタ)アクリラートアルキル基が1.5から8の数平均炭素数を有する単位と、
(c)モノマーからの、0重量%のビニル芳香族由来の単位と、
(d)分散剤モノマーから誘導される、0重量%の分散剤単位と
を含み、
少なくとも1つの外部ブロックが、
(a)50から95重量%のC 10〜16 −アルキル(メタ)アクリラート由来の単位と、
(b)(a)とは異なるおよび該内部ブロックとは異なる、5重量%から50重量%のC 1〜20 −アルキルメタクリラート由来の単位と、
(c)分散剤モノマーから誘導される、0重量%の分散剤単位であって、該外部ブロックの(メタ)アクリラートアルキル基が7より大きい数平均炭素数を有する単位と、
(d)モノマーからの、0重量%のビニル芳香族由来の単位と
を含み;
該内部ブロックのアルキル基中の数平均炭素原子数と該外部ブロックのアルキル基中の数平均炭素原子数との差が、0.8から8、または2から5であり;および
該内部ブロックのアルキル基中の数平均炭素原子数が、該外部ブロックのアルキル基中の数平均炭素原子数より少ない、
前記項目のいずれかに記載の潤滑組成物。
(項目6)
前記内部ブロックと外部ブロックとの間のアルキル(メタ)アクリラート由来の単位のアルキル基の数平均炭素原子数の差が、0.8から8または2から5である、前記項目のいずれかに記載の潤滑組成物。
(項目7)
前記内部ブロックのC 1〜4 −アルキル(メタ)アクリラート由来の単位が、メチルメタクリラートを含む、前記項目のいずれかに記載の潤滑組成物。
(項目8)
前記星型ポリマーが、フリーラジカル重合または制御されたフリーラジカル重合から誘導可能である、前記項目のいずれかに記載の潤滑組成物。
(項目9)
前記制御されたフリーラジカル重合が、RAFT、またはATRP、または窒素酸化物媒介重合を含む、項目8に記載の潤滑組成物。
(項目10)
分散剤、摩耗防止剤、分散性粘度調整剤、摩擦調整剤、粘度調整剤、酸化防止剤、過塩基性清浄剤、極圧剤のうちの少なくとも1つ、またはこれらの混合物をさらに含む、前記項目のいずれかに記載の潤滑組成物。
(項目11)
ポリイソブチレンスクシンイミド分散剤、摩耗防止剤、分散性粘度調整剤、摩擦調整剤、粘度調整剤(典型的にはオレフィンコポリマー、例えばエチレン−プロピレンコポリマー)、酸化防止剤(フェノール系およびアミン系酸化防止剤を含む)、過塩基性清浄剤(過塩基性スルホナートおよびフェナートを含む)、極圧剤のうちの少なくとも1つ、またはこれらの混合物をさらに含む、前記項目のいずれかに記載の潤滑組成物。
(項目12)
過塩基性清浄剤、分散剤、および摩耗防止剤(例えば、金属ジアルキルジチオリン酸塩、特にジアルキルジチオリン酸亜鉛、リン酸アミン、または亜リン酸塩)をさらに含む、前記項目のいずれかに記載の潤滑組成物。
(項目13)
摩耗防止剤および腐食防止剤をさらに含む、前記項目のいずれかに記載の潤滑組成物。
(項目14)
リンを含有する酸、塩またはエステルと、分散剤とをさらに含む、前記項目のいずれかに記載の潤滑組成物。
(項目15)
リンを含有する酸、塩またはエステルと、リンを含有する酸、塩またはエステル以外の極圧剤とをさらに含む、前記項目のいずれかに記載の潤滑組成物。
(項目16)
機械装置を潤滑する方法であって、前記項目1から15のいずれかに記載の潤滑組成物を該機械装置に供給する工程を含み、該機械装置が内燃機関、油圧装置、手動もしくは自動変速機、工業用ギア、自動車のギア(もしくは車軸)または農用トラクタである、方法。
(項目17)
許容可能な粘度指数、許容可能な燃費、許容可能な低温粘度特性、許容可能な油溶性、または許容可能な貯蔵安定性のうちの少なくとも1つをもたらすための、前記項目1から9のいずれかに記載の潤滑組成物において記載された、少なくとも2つの内部ブロックを有し、該内部ブロックの少なくとも1つが同様に1つ以上の外部ブロックに結合している星型ポリマーの使用。
本明細書において用いる場合、「星型ポリマーは、〜で構成されるモノマーを有する(または含有する)」といった用語は、該星型ポリマーが、言及されている特定のモノマーから誘導される単位を含むことを意味する。
Qは、水素またはメチルであってよく、1つの実施形態ではQはメチルであり;
Zは、N−H基またはO(酸素)であってよく;
各Riiは、独立して、水素であってもよいし、または1から8個もしくは1から4個の炭素原子を含有するヒドロカルビル基(典型的にはアルキル)であってもよく;
各Riは、独立して、水素であってもよいし、または1から2個の炭素原子を有するヒドロカルビル基(典型的には)アルキルであってもよく、典型的には水素であり;および
gは、1から6、または1から3の整数であってよい)。
本潤滑組成物は、潤滑粘度の油を含む。かかる油としては、天然および合成油、水素化分解、水素化および水素化仕上げから得られる油、未精製、精製、再精製油、またはこれらの混合物が挙げられる。未精製、精製および再精製油のより詳細な説明は、国際公開第2008/147704号パンフレット、段落[0054]から[0056]に提供されている。天然および合成潤滑油のより詳細な説明は、それぞれ、国際公開第2008/147704号パンフレット、段落[0058]から[0059]に記載されている。合成油は、フィッシャー・トロプシュ反応によって製造されることもあり、典型的に水素異性化フィッシャー・トロプシュ炭化水素または蝋であり得る。1つの実施形態では、油をフィッシャー・トロプシュのガス液化合成手順によって調製できることはもちろん、油が他のガス液化油であってもよい。
本発明の組成物は、少なくとも1つの他の性能添加剤を場合によりさらに含む。他の性能添加剤としては、金属不活性剤、清浄剤、粘度指数向上剤(すなわち、本発明の星型ポリマー以外の粘度調整剤)、極圧剤(典型的に硫黄および/またはリンを含有するもの)、摩耗防止剤、酸化防止剤(例えば、ヒンダードフェノール、アミン系酸化防止剤(典型的にジノニルジフェニルアミン、オクチルジフェニルアミン、ジオクチルジフェニルアミン)、またはモリブデン化合物)、腐食防止剤、抑泡剤、乳化破壊剤、流動点降下剤、シール膨潤剤、摩擦調整剤、およびこれらの混合物が挙げられる。
本発明の星型ポリマーは、様々な機械装置の潤滑に好適な潤滑剤に有用であり得る。前記機械装置は、内燃機関(クランクケース潤滑用)、油圧システム、または動力伝達系システムのうちの少なくとも1つを含む。
潤滑剤実施例LC1は、EX1を含むATF作動油である。このATF作動油は、2.5重量%(43重量%希釈油を含む)のポリイソブチレンスクシンイミド(このポリイソブチレン基は、950の数平均分子量を有するポリイソブチレンから誘導される)、0.5重量%(42重量%希釈油を含む)ポリイソブチレンスクシンイミド(二硫化炭素で後処理したもの)、0.2重量%のジブチルフェノール、0.42重量%のノニル化ジフェニルアミン、0.02重量%のEthomeen(登録商標)T−12、0.04重量%のアルケニルイミダゾリン摩擦調整剤も含有する。比較潤滑剤実施例CLC1は、EX1の代わりにCE1を使用したことを除き、LC1と同様である。前記ATF作動油は、基油および添加剤パッケージをさらに含む。100℃および40℃でASTM法D445ならびに−40℃でASTM法D2983をそれぞれ用いて、動粘度(KV、単位cSt)およびブルックフィールド粘度(BV、単位cP)を決定する。ASTM法D2270を用いることにより、粘度指数(VI)も決定する。潤滑組成物をASTM D5621のような剪断にも付す。超音波剪断後の粘度(100℃)損失を計算して、ポリマーの剪断安定性を示す。得られたデータは、次のとおりである:
星型ポリマーである10重量%のEX2およびCE2を6(mm2/秒(またはcSt)ポリアルファオレフィン(PAO−6)基油と80℃で均一になるまでブレンドする。両方のブレンドを室温で7日間保管する。本発明の星型ポリマー(EX2)を含有するポリアルファオレフィンは、この試験の終了時に透明である。対照的に、ランダム・ブロック星型ポリマー(CE2)を含有するポリアルファオレフィンは、ゲル化を示す。これは、本発明の星型ポリマーのほうが比較ランダム・ブロック星型ポリマーと比較して潤滑粘度の油への可溶性が高いことを示す。
潤滑剤実施例LC2およびLC3は、LC1と同様のATF作動油であるが、それぞれEX3およびEX4を含む。比較潤滑剤実施例CLC2、CLC3およびCLC4も同様のATF作動油であるが、それぞれCE2、CE6およびCE7を含む。100℃および40℃でASTM法D445ならびに−40℃でASTM法D2983をそれぞれ用いて、動粘度(KV、単位mm2/秒またはcSt)およびブルックフィールド粘度(BV、単位cP)を決定する。ASTM法D2270を用いることにより、粘度指数(VI)も決定する。潤滑組成物をASTM D5621のような剪断にも付す。超音波剪断後の粘度(100℃)損失を計算して、ポリマーの剪断安定性を示す。得られたデータは、次のとおりである:
Claims (35)
- 潤滑粘度の油と星型ポリマーとを含む潤滑組成物であって、
該星型ポリマーが、少なくとも2つの内部ブロックに結合しているコアを含み、該内部ブロックの少なくとも1つが同様に1つ以上の外部ブロックに結合しており、
少なくとも1つの内部ブロックが、
(a)20重量%から90重量%のC1〜4−アルキル(メタ)アクリラート由来の単位と、
(b)(a)とは異なる、10重量%から80重量%のC4〜18−アルキル(メタ)アクリラート由来の単位
を含み、ここで、該内部ブロックの(メタ)アクリラートアルキル基が1.5から8の数平均炭素数を有し、
少なくとも1つの外部ブロックが、
(a)50から95重量%のC10〜16−アルキル(メタ)アクリラート由来の単位と、
(b)(a)とは異なる、5重量%から50重量%のC1〜20−アルキルメタクリラート由来の単位
を含み、ここで、該外部ブロックが該内部ブロックとは異なり、
ここで、該外部ブロックの(メタ)アクリラートアルキル基が7より大きい数平均炭素数を有し、
ここで、該内部ブロックのアルキル基と該外部ブロックのアルキル基との間の数平均炭素原子数の差が少なくとも0.8であり;および
該内部ブロックのアルキル基中の数平均炭素原子数が、該外部ブロックのアルキル基中の平均炭素原子数より少ない、
潤滑組成物。 - 前記C 4〜18 −アルキル(メタ)アクリラート由来の単位がC 5〜18 −アルキル(メタ)アクリラート由来の単位である、請求項1に記載の潤滑組成物。
- 前記星型ポリマーが、さらに、5重量%以下のモノマーからのビニル芳香族由来の単位を含む、請求項1に記載の潤滑組成物。
- 前記モノマーからのビニル芳香族由来の単位がスチレンまたはビニルトルエンである、請求項3に記載の潤滑組成物。
- 前記星型ポリマーが、さらに、5重量%以下の分散剤モノマーから誘導される分散剤単位を含む、請求項1に記載の潤滑組成物。
- 前記内部ブロックと前記外部ブロックとの間の数平均炭素原子数の差が少なくとも1.2である、請求項1に記載の潤滑組成物。
- 前記内部ブロックと前記外部ブロックとの間の数平均炭素原子数の差が少なくとも2.0である、請求項1に記載の潤滑組成物。
- 前記内部ブロックと前記外部ブロックとの間の数平均炭素原子数の差が少なくとも2.8である、請求項1に記載の潤滑組成物。
- 前記内部ブロックと前記外部ブロックとの間の数平均炭素原子数の差が0.8から8である、請求項1に記載の潤滑組成物。
- 前記内部ブロックと前記外部ブロックとの間の数平均炭素原子数の差が2から5である、請求項1に記載の潤滑組成物。
- 前記(メタ)アクリラート由来の単位が、メタクリラート由来の単位、またはそれらの混合物である、請求項1に記載の潤滑組成物。
- 前記星型ポリマーが、さらに、2重量%以下の分散剤単位および2重量%以下のビニル芳香族単位を含む、請求項1〜11のいずれか一項に記載の潤滑組成物。
- 前記星型ポリマーが、分散剤単位を含まず、そして、ビニル芳香族由来の単位を含まない、請求項1、2、および、6〜11のいずれか一項に記載の潤滑組成物。
- 前記内部ブロックが、
(a)20重量%から90重量%のC1〜4−アルキル(メタ)アクリラート由来の単位を含み、
(b)10重量%から80重量%のC5〜18−アルキル(メタ)アクリラート由来の単位であって、該内部ブロックの(メタ)アクリラートアルキル基が1.5から8の数平均炭素数を有する単位を含み、
(c)モノマーからの、ビニル芳香族由来の単位を含まず、そして、
(d)分散剤モノマーから誘導される、分散剤単位を含まず、
ここで、少なくとも1つの外部ブロックが、
(a)50から95重量%のC10〜16−アルキル(メタ)アクリラート由来の単位を含み、
(b)(a)とは異なるおよび該内部ブロックとは異なる、5重量%から50重量%のC1〜20−アルキルメタクリラート由来の単位を含み、
(c)分散剤モノマーから誘導される、分散剤単位であって、該外部ブロックの(メタ)アクリラートアルキル基が7より大きい数平均炭素数を有する単位を含まず、そして、
(d)モノマーからの、ビニル芳香族由来の単位を含まず;
ここで、該内部ブロックのアルキル基中の数平均炭素原子数と該外部ブロックのアルキル基中の数平均炭素原子数との差が、0.8から8であり;および
該内部ブロックのアルキル基中の数平均炭素原子数が、該外部ブロックのアルキル基中の数平均炭素原子数より少ない、
請求項1、2、6〜9、11、および、13のいずれか一項に記載の潤滑組成物。 - 前記内部ブロックと外部ブロックとの間のアルキル(メタ)アクリラート由来の単位のアルキル基の数平均炭素原子数の差が、2から5である、請求項1〜7、9、および、11〜14のいずれか一項に記載の潤滑組成物。
- 前記内部ブロックのC1〜4−アルキル(メタ)アクリラート由来の単位が、メチルメタクリラートを含む、請求項1〜15のいずれか一項に記載の潤滑組成物。
- 前記星型ポリマーが、フリーラジカル重合または制御されたフリーラジカル重合から誘導可能である、請求項1〜16のいずれか一項に記載の潤滑組成物。
- 前記制御されたフリーラジカル重合が、RAFT、またはATRP、または窒素酸化物媒介重合を含む、請求項17に記載の潤滑組成物。
- 分散剤、摩耗防止剤、分散性粘度調整剤、摩擦調整剤、粘度調整剤、酸化防止剤、過塩基性清浄剤、極圧剤のうちの少なくとも1つ、またはこれらの混合物をさらに含む、請求項1〜12、および、15〜18のいずれか一項に記載の潤滑組成物。
- 摩耗防止剤、摩擦調整剤、粘度調整剤、酸化防止剤、過塩基性清浄剤、極圧剤のうちの少なくとも1つ、またはこれらの混合物をさらに含む、、請求項13または14に記載の潤滑組成物。
- ポリイソブチレンスクシンイミド分散剤、摩耗防止剤、分散性粘度調整剤、摩擦調整剤、粘度調整剤、酸化防止剤、過塩基性清浄剤、極圧剤のうちの少なくとも1つ、またはこれらの混合物をさらに含む、請求項1〜12、および、15〜19のいずれか一項に記載の潤滑組成物。
- 前記粘度調整剤が、オレフィンコポリマーである、請求項21に記載の潤滑組成物。
- 前記粘度調整剤が、エチレン−プロピレンコポリマーである、請求項21に記載の潤滑組成物。
- 前記酸化防止剤がフェノール系またはアミン系酸化防止剤である、請求項21に記載の潤滑組成物。
- 前記過塩基性清浄剤が過塩基性スルホナートまたはフェナートである、請求項21に記載の潤滑組成物。
- 過塩基性清浄剤、分散剤、および摩耗防止剤をさらに含む、請求項1〜12、および、15〜25のいずれか一項に記載の潤滑組成物。
- 過塩基性清浄剤および摩耗防止剤をさらに含む、請求項13または14に記載の潤滑組成物。
- 前記摩耗防止剤が、金属ジアルキルジチオリン酸塩である、請求項26または27に記載の潤滑組成物。
- 前記摩耗防止剤が、ジアルキルジチオリン酸亜鉛、リン酸アミン、および、亜リン酸塩のいずれか一つから選択される、請求項26または27に記載の潤滑組成物。
- 摩耗防止剤および腐食防止剤をさらに含む、請求項1〜29のいずれか一項に記載の潤滑組成物。
- リンを含有する酸、塩またはエステルと、分散剤とをさらに含む、請求項1〜12、および、15〜30のいずれか一項に記載の潤滑組成物。
- リンを含有する酸、塩またはエステルをさらに含む、請求項13または14に記載の潤滑組成物。
- リンを含有する酸、塩またはエステルと、リンを含有する酸、塩またはエステル以外の極圧剤とをさらに含む、請求項1〜32のいずれか一項に記載の潤滑組成物。
- 機械装置を潤滑する方法であって、請求項1〜33のいずれか一項に記載の潤滑組成物を該機械装置に供給する工程を含み、該機械装置が内燃機関、油圧装置、手動もしくは自動変速機、工業用ギア、自動車のギア(もしくは車軸)または農用トラクタである、方法。
- 許容可能な粘度指数、許容可能な燃費、許容可能な低温粘度特性、許容可能な油溶性、または許容可能な貯蔵安定性のうちの少なくとも1つをもたらすための、請求項1〜18のいずれか一項に記載の潤滑組成物において記載された、少なくとも2つの内部ブロックを有し、該内部ブロックの少なくとも1つが同様に1つ以上の外部ブロックに結合している星型ポリマーの使用。
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