EP2791294A1 - Compositions lubrifiantes pour transmissions - Google Patents
Compositions lubrifiantes pour transmissionsInfo
- Publication number
- EP2791294A1 EP2791294A1 EP12809233.5A EP12809233A EP2791294A1 EP 2791294 A1 EP2791294 A1 EP 2791294A1 EP 12809233 A EP12809233 A EP 12809233A EP 2791294 A1 EP2791294 A1 EP 2791294A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lubricating composition
- composition according
- ethylene
- copolymer
- alphaolefin
- 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
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 117
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 72
- 230000005540 biological transmission Effects 0.000 title claims abstract description 17
- 229920001577 copolymer Polymers 0.000 claims abstract description 37
- 239000004711 α-olefin Substances 0.000 claims abstract description 35
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 30
- 239000005977 Ethylene Substances 0.000 claims abstract description 30
- -1 amine thiophosphate Chemical class 0.000 claims abstract description 25
- 239000002199 base oil Substances 0.000 claims abstract description 10
- GLOYGJPNNKTDIG-UHFFFAOYSA-N SC=1N=NSC=1S Chemical class SC=1N=NSC=1S GLOYGJPNNKTDIG-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000000446 fuel Substances 0.000 claims abstract description 7
- 239000000314 lubricant Substances 0.000 claims description 36
- BIGYLAKFCGVRAN-UHFFFAOYSA-N 1,3,4-thiadiazolidine-2,5-dithione Chemical class S=C1NNC(=S)S1 BIGYLAKFCGVRAN-UHFFFAOYSA-N 0.000 claims description 35
- 125000004432 carbon atom Chemical group C* 0.000 claims description 24
- 125000000217 alkyl group Chemical group 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- 229920000193 polymethacrylate Polymers 0.000 claims description 17
- 125000004434 sulfur atom Chemical group 0.000 claims description 14
- 239000000654 additive Substances 0.000 claims description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 9
- 239000003963 antioxidant agent Substances 0.000 claims description 8
- 229920002367 Polyisobutene Polymers 0.000 claims description 7
- 150000001412 amines Chemical class 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 239000002270 dispersing agent Substances 0.000 claims description 6
- 230000000996 additive effect Effects 0.000 claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims description 5
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 4
- 239000001257 hydrogen Substances 0.000 claims description 4
- 238000005461 lubrication Methods 0.000 claims description 4
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 4
- AJBLKZFBURBYPT-UHFFFAOYSA-N 1,2,5-thiadiazolidine-3,4-dithione Chemical compound SC1=NSN=C1S AJBLKZFBURBYPT-UHFFFAOYSA-N 0.000 claims description 3
- 150000003141 primary amines Chemical class 0.000 claims 1
- 230000007423 decrease Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 14
- 150000001336 alkenes Chemical class 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 9
- 239000011593 sulfur Substances 0.000 description 9
- 239000005069 Extreme pressure additive Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 8
- 239000007866 anti-wear additive Substances 0.000 description 7
- 239000002585 base Substances 0.000 description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N 1-nonene Chemical compound CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 5
- 239000003607 modifier Substances 0.000 description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 5
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 4
- BTHAQRDGBHUQMR-UHFFFAOYSA-N [S]P(=O)=O Chemical compound [S]P(=O)=O BTHAQRDGBHUQMR-UHFFFAOYSA-N 0.000 description 4
- 229920006213 ethylene-alphaolefin copolymer Polymers 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 235000010755 mineral Nutrition 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 3
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical class C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- UGUHFDPGDQDVGX-UHFFFAOYSA-N 1,2,3-thiadiazole Chemical compound C1=CSN=N1 UGUHFDPGDQDVGX-UHFFFAOYSA-N 0.000 description 2
- YGTAZGSLCXNBQL-UHFFFAOYSA-N 1,2,4-thiadiazole Chemical compound C=1N=CSN=1 YGTAZGSLCXNBQL-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical class CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- RYYWUUFWQRZTIU-UHFFFAOYSA-N Thiophosphoric acid Chemical compound OP(O)(S)=O RYYWUUFWQRZTIU-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- LMZSPXZNYGLPAV-UHFFFAOYSA-N butoxy-dihydroxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCCCOP(O)(O)=S LMZSPXZNYGLPAV-UHFFFAOYSA-N 0.000 description 2
- 235000010354 butylated hydroxytoluene Nutrition 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000003112 inhibitor Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 2
- AFFLGGQVNFXPEV-UHFFFAOYSA-N n-decene Natural products CCCCCCCCC=C AFFLGGQVNFXPEV-UHFFFAOYSA-N 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 description 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 2
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 2
- 150000004867 thiadiazoles Chemical class 0.000 description 2
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical class [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- OTNSJAUBOYWVEB-UHFFFAOYSA-N 1,2,4-thiadiazolidine-3,5-dithione Chemical compound S=C1NSC(=S)N1 OTNSJAUBOYWVEB-UHFFFAOYSA-N 0.000 description 1
- UDGKZGLPXCRRAM-UHFFFAOYSA-N 1,2,5-thiadiazole Chemical compound C=1C=NSN=1 UDGKZGLPXCRRAM-UHFFFAOYSA-N 0.000 description 1
- QQADCAPKFRAHQW-UHFFFAOYSA-N 1,2,5-thiadiazole;1,3,4-thiadiazole Chemical compound C=1C=NSN=1.C1=NN=CS1 QQADCAPKFRAHQW-UHFFFAOYSA-N 0.000 description 1
- MBIZXFATKUQOOA-UHFFFAOYSA-N 1,3,4-thiadiazole Chemical compound C1=NN=CS1 MBIZXFATKUQOOA-UHFFFAOYSA-N 0.000 description 1
- BZJTUOGZUKFLQT-UHFFFAOYSA-N 1,3,5,7-tetramethylcyclooctane Chemical group CC1CC(C)CC(C)CC(C)C1 BZJTUOGZUKFLQT-UHFFFAOYSA-N 0.000 description 1
- SPSPIUSUWPLVKD-UHFFFAOYSA-N 2,3-dibutyl-6-methylphenol Chemical compound CCCCC1=CC=C(C)C(O)=C1CCCC SPSPIUSUWPLVKD-UHFFFAOYSA-N 0.000 description 1
- DRHABPMHZRIRAH-UHFFFAOYSA-N 2,4,4,6,6-pentamethylhept-2-ene Chemical group CC(C)=CC(C)(C)CC(C)(C)C DRHABPMHZRIRAH-UHFFFAOYSA-N 0.000 description 1
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical group CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical class C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- IWBMUDDLRPGWNJ-UHFFFAOYSA-N SC1=NSC(=N1)S.SC=1N=NSC1S Chemical compound SC1=NSC(=N1)S.SC=1N=NSC1S IWBMUDDLRPGWNJ-UHFFFAOYSA-N 0.000 description 1
- CATCSGBEOSSQBQ-UHFFFAOYSA-N SC=1SC(=NN1)S.SC1=NSN=C1S Chemical compound SC=1SC(=NN1)S.SC1=NSN=C1S CATCSGBEOSSQBQ-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 125000005600 alkyl phosphonate group Chemical group 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical class C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- UZEFVQBWJSFOFE-UHFFFAOYSA-N dibutyl hydrogen phosphite Chemical class CCCCOP(O)OCCCC UZEFVQBWJSFOFE-UHFFFAOYSA-N 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- CAVXVJGHUYVTRI-UHFFFAOYSA-N dihydroxy-octoxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCCCCCCCOP(O)(O)=S CAVXVJGHUYVTRI-UHFFFAOYSA-N 0.000 description 1
- ORDPXYVBSFJMAW-UHFFFAOYSA-N diphenoxy(phenylsulfanyl)phosphane Chemical compound C=1C=CC=CC=1OP(SC=1C=CC=CC=1)OC1=CC=CC=C1 ORDPXYVBSFJMAW-UHFFFAOYSA-N 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 150000004659 dithiocarbamates Chemical class 0.000 description 1
- NAGJZTKCGNOGPW-UHFFFAOYSA-N dithiophosphoric acid Chemical class OP(O)(S)=S NAGJZTKCGNOGPW-UHFFFAOYSA-N 0.000 description 1
- ISWBBUXCFWZBKC-UHFFFAOYSA-N dodecoxy-dihydroxy-sulfanylidene-$l^{5}-phosphane Chemical compound CCCCCCCCCCCCOP(O)(O)=S ISWBBUXCFWZBKC-UHFFFAOYSA-N 0.000 description 1
- FQERTQNSHXPBQS-UHFFFAOYSA-N dodecylsulfanylphosphonous acid Chemical compound CCCCCCCCCCCCSP(O)O FQERTQNSHXPBQS-UHFFFAOYSA-N 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 125000004817 pentamethylene group Chemical class [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- TYQTYRXEMJXFJG-UHFFFAOYSA-N phosphorothious acid Chemical compound OP(O)S TYQTYRXEMJXFJG-UHFFFAOYSA-N 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920001083 polybutene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 150000003580 thiophosphoric acid esters Chemical class 0.000 description 1
- PPEZWDDRWXDXOQ-UHFFFAOYSA-N tributoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound CCCCOP(=S)(OCCCC)OCCCC PPEZWDDRWXDXOQ-UHFFFAOYSA-N 0.000 description 1
- 150000005691 triesters Chemical class 0.000 description 1
- IKXFIBBKEARMLL-UHFFFAOYSA-N triphenoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=S)OC1=CC=CC=C1 IKXFIBBKEARMLL-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 239000011787 zinc oxide Substances 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
- C10M161/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
-
- 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
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen 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
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/022—Ethene
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/024—Propene
-
- 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
- C10M2215/28—Amides; Imides
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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
- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
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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
- 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
- C10M2219/044—Sulfonic acids, Derivatives thereof, e.g. neutral salts
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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
- 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
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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
- 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
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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
- 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
- C10M2223/045—Metal containing thio derivatives
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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
- 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
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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
- 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
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- 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
- C10N2030/54—Fuel economy
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- 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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
-
- 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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
-
- 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
- C10N2040/25—Internal-combustion engines
Definitions
- the present invention relates to lubricating compositions for transmissions, in particular for gearboxes, comprising a specific combination of additives making it possible to reduce the coefficient of friction of said lubricating compositions, thus making it possible to limit the fuel consumption of motor vehicles.
- the compositions according to the invention are suitable for all types of vehicles, especially light vehicles, and are particularly suitable for manual gearboxes, bridges or double clutches.
- viscosity index (VI) improving polymers can be used to modify the viscosity of the lubricant or to use friction modifiers to affect the coefficient of friction of the lubricant.
- the Applicant has now found that the use of an ethylene / alphaolefin copolymer, which is known as a viscosity index improving polymer and not as a friction modifier, makes it possible to reduce the coefficient of friction of the lubricating compositions, when this This is in combination with a dimercaptothiadiazole derivative and an amine thiophosphate.
- the dimercaptothiadiazole derivatives are known as the inhibitor of corrosion and extreme pressure additives and not as a friction modifier.
- the Applicant has found that it is possible to formulate transmission oils with very low friction coefficients from a composition containing a compound chosen from dimercaptothiadiazoles, a compound chosen from the group of ethylene-alphaolefin copolymers. and an amine thiophosphate.
- the lubricant compositions according to the invention have low coefficients of friction without the addition of friction modifiers.
- the mixture containing at least one dimercaptothiadiazole, at least one ethylene-alphaolefin copolymer and at least one amine thiophosphate, has a synergistic effect on the lowering of the coefficient of friction.
- the lubricating composition comprising a mixture of dimercaptothiadiazole, ethylene-alphaolefin copolymer and amine thiophosphate also has the following advantages:
- the present invention relates to a lubricant composition
- a lubricant composition comprising, one or more base oils, at least one dimercaptothiadiazole derivative, at least one copolymer of ethylene and alphaolefin and at least one amine thiophosphate.
- the lubricant composition according to the invention comprises at least one copolymer of ethylene and of an alphaolefin comprising from 3 to 30 carbon atoms, preferably from 3 to 24, more preferably from 3 to 20, even more preferably from 3 to at 10, even more preferably from 3 to 6.
- the copolymer of ethylene and alphaolefin according to the invention has the general formula (I): wherein R is an alkyl group having 1 to 8 carbon atoms, preferably 1 to 3 carbon atoms, x and y are such that the ratio x / y is between 0.5 and 2 and the sum x + y is between 50 to 150.
- the lubricant composition according to the invention comprises an amount of copolymer of ethylene and alphaolefin of between 1 to 20% by weight, relative to the total weight of the lubricating composition, preferably from 2 to 15%, more preferably from 4 to 10%, still more preferably from 5 to 9%.
- the dimercaptothiadiazole derivative contained in the lubricating composition according to the invention is chosen from the 4,5-dimercapto-1,2,3-thiadiazole derivatives of 3,5-dimercapto-1,2,4 thiadiazole, 3,4-dimercapto-1,2,5-thiadiazole, 2,5-dimercapto-1,3,4-thiadiazole, alone or in admixture.
- the dimercaptothiadiazole derivative according to the invention has the general formula (II) or (III), taken alone or as a mixture:
- R 1 and R 2 are, independently of one another, hydrogen atoms, linear and / or branched alkyl groups comprising from 1 to 24 carbon atoms, preferably from 2 to 18, more preferably from 4 to 16, still more preferably 8 to 12 or aromatic substituents, n and m being independently of each other integers selected from the group consisting of integers 1, 2, 3, or 4.
- the lubricating composition according to the invention comprises from 0.1 to 10% by weight of dimercaptothiadiazole derivative, relative to the total weight of the lubricating composition, preferably 0.2 to 5%, more preferably 0.3 at 2%, even more preferably from 0.5 to 1%.
- the lubricating composition according to the invention comprises an amine thiophosphate of general formula (IVa):
- X 1 and X 2 are independently of one another a sulfur atom or an oxygen atom, at least one of them being a sulfur atom
- R 1 and R 2 are either a hydrogen atom or hydrogen is alkyl groups having from 1 to 22 carbon atoms, preferably from 6 to 18,
- Particularly preferred compounds are the dithiophosphates (Xi and X 2 are sulfur atoms)
- the lubricating composition according to the invention has a quantity of amine thiophosphate of formula (IVa) of between 0.2 and 10% by weight, relative to the total mass of lubricating composition, preferably of 0.5 to 8%, more preferably 1 to 5%, even more preferably 2 to 4%.
- the lubricant composition according to the invention further comprises a polymethacrylate.
- the lubricant composition according to the invention further comprises a dispersant derived from polyisobutene.
- the lubricant composition according to the invention further comprises an amine-type antioxidant additive.
- the lubricant composition according to the invention further comprises a phenol-type anti-corrosion additive.
- the lubricant composition according to the invention has a kinematic viscosity at 100 ° C. according to ASTM D445 of between 4 and 40 cSt, between 4.1 and 32.5 cSt and preferably between 6 and 18.5 cSt.
- the present invention relates to the use of a lubricating composition for the lubrication of transmissions such as gearboxes, bridges, preferably manual gearboxes of motor vehicles.
- the invention relates to the use of a lubricant composition for lubricating transmissions to reduce the fuel consumption of vehicles, particularly motor vehicles.
- the present invention relates to the use of at least one copolymer of ethylene and alpha-olefin and at least one derivative of dimercaptothiadiazole to reduce the coefficient of friction of a lubricant composition.
- the invention relates to the use of at least one copolymer of ethylene and alpha-olefin, at least one dimercaptothiadiazole derivative and at least one amine thiophosphate to reduce the coefficient of friction of a lubricating composition.
- the invention also relates to a method for reducing the coefficient of friction of a lubricant composition, wherein at least one base oil is added at least one copolymer of ethylene and alpha-olefin and at least one minus one dimercaptothiadiazole derivative.
- the invention relates to a method for decreasing the coefficient of friction of a lubricating composition in which at least one ethylene-alpha-olefin copolymer is added to at least one lubricating base oil, at least one dimercaptothiadiazole derivative and at least one amine thiophosphate.
- One of the essential elements of the lubricant compositions according to the invention is a copolymer of ethylene and alphaolefin.
- the copolymer of ethylene and alphaolefin while being a viscosity index improver such as the polymethacrylates it can replace, provides the additional advantage that it can reduce the coefficient of friction of said lubricating compositions.
- the copolymer used in the present invention is a copolymer of ethylene and alphaolefin.
- the alpha-olefin is an alpha-olefin comprising from 3 to 30 carbon atoms, preferably from 3 to 24, more preferably from 3 to 20, even more preferentially from 3 to 10, even more preferably from 3 to 6.
- examples of usable alpha-olefins are propylene, butene, pentene, hexene, heptene, octene, nonene, decene, in particular 1-butene, 1-pentene, hexene, 1-octene.
- the copolymer of ethylene and alphaolefin has the general formula (I): R
- R is an alkyl group having 1 to 8 carbon atoms, preferably 1 to 3 carbon atoms
- x and y are such that the ratio x / y is between 0.5 and 2 and the sum x + y is between 50 to 150.
- R represents a methyl group
- x and y are such that the ratio x / y is between 0.5 to 1.5 and the sum x + y is between 70 and 130.
- R is a methyl group
- x is equal to 40
- y is equal to
- the copolymer of ethylene and alphaolefin according to the invention is chosen from alphaolefin copolymers making it possible to limit the loss of viscosity of the lubricating composition measured at 100 ° C. according to the standardized test KRL-45-99 at a lower value. or equal to 5%.
- the lubricant compositions according to the invention comprise from 1 to 20% by weight of ethylene / alphaolefin copolymer, relative to the total weight of the lubricating composition, preferably from 2 to 15%, more preferably from 4 to 10%, even more preferentially. from 5 to 9%.
- ethylene / alphaolefin copolymer As an example of ethylene / alphaolefin copolymer according to the invention, mention may be made of the Lucant HC600 sold by the company MITSUI.
- the lubricant compositions according to the invention therefore comprise at least one derivative of dimercaptothiadiazole.
- Thiadiazoles are heterocyclic compounds comprising two nitrogen atoms, one sulfur atom, two carbon atoms and two double bonds, of general formula C2N2SH2, which can exist in the following forms, respectively 1,2,3-thiadiazole, 1, 2,4-thiadiazole, 1,2,5-thiadiazole 1,3,4-thiadiazole:
- dimercaptothiadiazole derivative according to the invention is meant chemical compounds derived from the four molecules dimercaptothiadiazoles, 4,5-dimercapto-1,2,3-thiadiazole, 3,5-dimercapto-1,2,4-thiadiazole, 3, 4-dimercapto-1,2,5-thiadiazole, 2,5-dimercapto-1,3,4-thiadiazole, taken alone or as a mixture:
- the 2,5-dimercapto-1,3,4-thiadiazole derivatives are molecules of general formula (II) or III):
- R 1 and R 2 are, independently of one another, hydrogen atoms, linear and / or branched alkyl groups comprising from 1 to 24 carbon atoms, preferably from 2 to 18, more preferably from 4 to 16, still more preferably 8 to 12 or aromatic substituents, n and m being independently of each other integers selected from the group consisting of integers 1, 2, 3 or 4.
- the lubricating compositions according to the invention comprise from 0.1 to 10% by weight, relative to the total weight of the lubricating composition, of dimercaptothiadiazole derivative, preferably from 0.2 to 5%, more preferably from 0.3 to at 2%, even more preferably from 0.5 to 1%.
- dimercaptothiadiazole derivative As an example of a dimercaptothiadiazole derivative according to the invention, mention may be made of Anglamol 2198 sold by LUBRIZOL.
- compositions according to the invention comprise at least one amine thiophosphate of formula (IVa):
- X 1 and X 2 are independently of each other a sulfur atom or an oxygen atom, at least one of them being a sulfur atom
- R 1 and R 2 are either an atom of hydrogen or alkyl groups having between 1 and 22 carbon atoms, preferably between 6 and 18,
- Particularly preferred compounds of formula (IVa) are the dithiophosphates of amines in which X 1 and X 2 are sulfur atoms and M, R 3 , R 4 , R 5 , R 6 as defined above.
- the lubricant compositions according to the invention may contain any type of mineral lubricating base, synthetic or natural, animal or vegetable adapted (s) to their use.
- the base oil (s) used in the lubricant compositions according to the present invention may be oils of mineral or synthetic origin of groups I to V according to the classes defined in the API classification (or their equivalents according to the ATIEL classification) as summarized. below, alone or mixed.
- the mineral base oils according to the invention include all types of bases obtained by atmospheric and vacuum distillation of crude oil, followed by refining operations such as solvent extraction, desalphating, solvent dewaxing, hydrotreatment, hydrocracking and hydroisomerization, hydrofinishing.
- the base oils of the compositions according to the present invention may also be synthetic oils, such as certain esters of carboxylic acids and alcohols, or polyalphaolefins.
- the polyalphaolefins used as base oils are, for example, obtained from monomers containing from 4 to 32 carbon atoms (for example octene, decene) and a viscosity at 100 ° C. of between 1.5 and 15 cSt according to the standard. ASTM D445. Their weight average molecular weight is typically between 250 and 3000 according to ASTM D5296. Mixtures of synthetic and mineral oils can also be used.
- a particular lubricating base for producing the lubricating compositions according to the invention must have properties, in particular viscosity, viscosity index, sulfur, oxidation resistance, adapted for use in a gearbox, in particular in a gearbox of motor vehicles, particularly in a manual gearbox.
- the lubricating bases represent at least 50% by weight, relative to the total mass of the lubricating composition, preferably at least 60%, or at least 70%. Typically, they represent between 75 and 90% by weight, relative to the total mass of the lubricating compositions according to the invention.
- the lubricant compositions according to the invention comprise Group I and / or III mineral bases, or Group IV synthetic bases according to the API classification.
- the lubricant compositions according to the invention have a kinematic viscosity at 100 ° C., measured according to the ASTM D445 standard of between 4 and 41 cSt, according to classification SAE J 306, preferably between 4.1 and 32.5 cSt.
- Preferred grades are all grades from 75W to
- the lubricant compositions according to the invention have a viscosity index (VI) greater than 120 (ASTM 2270 standard).
- the lubricant compositions according to the invention may also contain other additives such as anti-wear and / or extreme pressure additives.
- Phospho-sulfur, phosphorus or sulfur-type anti-wear and / or extreme pressure additives used alone or as a mixture, are used.
- the phosphosulfur anti-wear and / or extreme pressure additives are, for example and not exclusively, thiophosphoric acid, thiophosphorous acid, esters of these acids, their salts, and dithiophosphates, mono- or di- thiophosphates other than the amine thiophosphates according to the invention, particularly zinc dithiophosphates.
- Examples which may be mentioned as examples of phospho-sulfur-containing anti-wear and extreme pressure additives are those containing from 1 to 3 sulfur atoms, such as monobutylthiophosphate, monooctylthiophosphate, monolaurylthiophosphate, dibutylthiophosphate, dilaurylthiophosphate, tributylthiophosphate, trioctylthiophosphate, triphenylthiophosphate, trilaurylthiophosphate, monobutylthiophosphate, monoctylthiophosphite, monolaurylthiophosphite, dibutylthiophosphite, dilaurylthiophosphite, tributylthiophosphite, trioctylthiophosphite, triphenylthiophosphite, trilaurylthiophosphite and their salts.
- sulfur atoms such as monobutylthiophosphate
- salts of thiophosphoric acid esters and thiphosphorous acid are those obtained by reaction with a nitrogen compound such as ammonia or an amine or zinc oxide or zinc chloride.
- the phosphosulfur antiwear and extreme pressure additives of the compositions according to the invention are thiophosphates, corresponding to formula (IVb):
- X 1 and X 2 are independently of each other a sulfur atom or an oxygen atom, at least one of them being a sulfur atom, R 1 and R 2 are either an atom of hydrogen is alkyl groups having 1 to 22 carbon atoms, preferably 6 to 18, M is a metal selected from the group consisting of MA, III, VA, VIA, IB, VIB, VIII of the Periodic Table , n + being the valence of said metal.
- Particularly preferred compounds of formula (IVb) are the dithiophosphates (Xi and X 2 are sulfur atoms), preferably zinc.
- the lubricating compositions may also contain phosphorus anti-wear and extreme pressure additives, such as for example alkyl phosphates or alkyl phosphonates, phosphoric acid, phosphorous acid, mono-, di- and triesters of phosphorous acid and phosphoric acid, and their salts.
- the lubricating compositions may also contain sulfur anti-wear and extreme pressure additives. Mention may be made, by way of example of antiwear and extreme pressure sulfur additives, of dithiocarbamates, thiadiazoles and benzothiazoles, and sulfurized olefins.
- SIBs The most common sulfur-containing olefins are called SIBs, for "Sulfurized
- Isobutylenes ". These sulfur-containing olefins are generally obtained by a reaction for the sulfurization of olefins with sulfur, hydrogen sulphide or hydrated alkali metal sulphides, for example sodium sulphide. An example of processes for the preparation of such sulfurized olefins is described, for example, in US Pat. Nos. 4,34,454 and 5,155,570. A very wide range of olefins can thus be sulfurized.
- sulphurized olefins are manufactured from isobutylene, diisobutylene, triisobutylene, tripropylene or tetrapropylene.
- the SIBs thus produced are mixtures of compounds of poorly defined structure including, among other impurities, trithiones, dithiolethiones and halogens, and a high content of active sulfur.
- the lubricating compositions according to the invention comprise from 0.2 to 10% by weight of anti-wear and / or extreme pressure agents, relative to the weight of the lubricating composition, preferably from 0.5 to 8%, at 5%, preferably 2 to 4%.
- compositions according to the invention may also comprise, in addition to the copolymer of ethylene and alpha-olefin, other viscosity index (VI) improving polymers such as polymethacrylates, polyacrylates and copolymer olefins.
- Ethylene Propylene Diene Monomers EPDM
- polybutenes polybutenes
- copolymers of styrene and olefin hydrogenated or not.
- the preferred polymers are polymethacrylates (PMA).
- the polymethacrylates will be, for example, linear, non-dispersed polymethacrylates of low mass or average mass. By low mass is meant PMA with a weight average molecular weight Mw of less than 20000 (ASTM D5296 standard).
- average weight is meant PMA with a weight average molecular weight Mw of between 30,000 and 90,000, (preferably around 50,000 (ASTM D5296).
- high mass is meant PMA with a weight average molecular weight Mw greater than 100000 (ASTM D5296).
- the lubricant compositions according to the invention may also contain any type of additive suitable for use in transmission oil formulations, for example one or more additives chosen from antioxidant additives, corrosion inhibitors, dispersants, present in usual contents required for the application.
- the preferred dispersants are polyisobutylenes (PIB), polyisobutylene succinic anhydride, amino derivatives of polyisobutylene succinic anhydride (PIB succinimides).
- Preferred antioxidants are, for example, amino antioxidants, preferably diphenylamines such as octadiphenylamines, phenyl-alpha-naphthylamines, or phenolic antioxidants (dibutylhydroxytoluene BHT and derivatives) or sulfur antioxidants (sulfurized phenates).
- amino antioxidants preferably diphenylamines such as octadiphenylamines, phenyl-alpha-naphthylamines, or phenolic antioxidants (dibutylhydroxytoluene BHT and derivatives) or sulfur antioxidants (sulfurized phenates).
- the preferred anti-corrosion additives are phenolic derivatives, in particular ethoxylated phenol derivatives substituted with ortho-position alkyl groups.
- the invention also relates to a method of lubricating transmissions such as gearboxes, bridges, preferably manual gearboxes of motor vehicles, said method implementing a lubricant composition as defined above.
- this method makes it possible to reduce the fuel consumption of vehicles, in particular of motor vehicles.
- the invention also relates to a method of lubricating transmissions, such as gearboxes, bridges, preferably manual gearboxes of motor vehicles, said method implementing at least one embodiment of the invention. copolymer of ethylene and alphaolefin and at least one dimercaptothiadiazole derivative.
- the invention relates to a method for lubricating at least one transmission member, the method comprising a step of contacting a lubricating composition comprising at least one ethylene-alpha copolymer. olefin and at least one derivative of dimercaptothiadiazole.
- the invention in another embodiment, relates to a method of lubricating at least one transmission member, the method comprising a step of contacting a lubricating composition comprising at least one ethylene-alpha copolymer. olefin, at least one dimercaptothiadiazole derivative and at least one amine thiophosphate.
- transmission member is meant in the sense of the present invention, for example a bridge or a gearbox, including a gearbox for a motor vehicle.
- this method makes it possible to reduce the friction coefficient lubricating composition.
- Lubricating compositions according to the invention are prepared and control lubricant compositions from:
- x is equal to approximately 40 and y is equal to approximately 40 and of weight average molecular weight Mw equal to approximately 8880, according to ASTM D5296,
- this compound is called PMA of low molecular weight
- Dispersant which is a derivative of polyisobutylene, in particular a polyisobutylene succinimide derivative,
- Phenolic anticorrosion additive which is of ethoxylated phenolic type
- Zinc dithiophosphate which is a zinc alkyl dithiophosphate
- alkylphosphites which are dibutyl phosphites
- sulfur-containing olefins which are pentenes, 2,4,4-trimethylsulfides,
- the procedure used measures the coefficient of friction of a roll on a plane, all immersed in the test lubricant, under conditions of temperature (60 ° C, 100 ° C and 140 ° C), load (50, 100, 150 and 200N) and frequency (5, 10, 20 and 40 Hz) variables to reproduce the friction conditions encountered in the control mechanisms of gearboxes in use.
- the roller stroke on the plane that is to say the reciprocating back and forth movement, is set at 7 mm.
- the duration of the test is 10 min.
- Group III base oil 74.1 81.2 75.6 82.7 75.1 82.2 84.2 81.2
- Lubricating compositions 1 to 4 are control lubricating compositions.
- Lubricating compositions 6 and 7 are lubricating compositions according to the invention.
- Lubricating compositions 1, 3 and 5 do not contain a copolymer of ethylene and alphaolefin.
- the coefficients of friction measured correspond to those which can be expected from those skilled in the art.
- Composition 8 is a lubricating composition not comprising amine thiophosphate.
- the lubricant composition 7 according to the invention unexpectedly has a very low coefficient of friction.
- ethylene-alphaolefin copolymer a dimercaptothiadiazole and an amine thiophosphate in a lubricating composition improves the coefficient of friction of said composition.
- Example 7 exhibits a viscosity loss measured at 100 ° C. according to the CEC L-45-99 standardized test of 2.6%; such a value of loss of viscosity being perfectly in adequacy with the application of the composition in the lubrication of transmission members, and more particularly of gearboxes.
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- 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
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1161856A FR2984348B1 (fr) | 2011-12-16 | 2011-12-16 | Compositions lubrifiantes pour transmissions |
PCT/EP2012/075645 WO2013087889A1 (fr) | 2011-12-16 | 2012-12-14 | Compositions lubrifiantes pour transmissions |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2791294A1 true EP2791294A1 (fr) | 2014-10-22 |
EP2791294B1 EP2791294B1 (fr) | 2020-09-02 |
Family
ID=47471795
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP12809233.5A Active EP2791294B1 (fr) | 2011-12-16 | 2012-12-14 | Compositions lubrifiantes pour transmissions |
Country Status (12)
Country | Link |
---|---|
US (1) | US9334462B2 (fr) |
EP (1) | EP2791294B1 (fr) |
JP (1) | JP6067027B2 (fr) |
KR (1) | KR101984065B1 (fr) |
CN (1) | CN104066827B (fr) |
AR (1) | AR089276A1 (fr) |
BR (1) | BR112014014490A2 (fr) |
CA (1) | CA2858927A1 (fr) |
FR (1) | FR2984348B1 (fr) |
MX (1) | MX343664B (fr) |
RU (1) | RU2612803C2 (fr) |
WO (1) | WO2013087889A1 (fr) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3009309B1 (fr) * | 2013-08-02 | 2016-10-07 | Total Marketing Services | Compositions lubrifiantes pour transmissions |
FR3018079B1 (fr) * | 2014-02-28 | 2017-06-23 | Total Marketing Services | Composition lubrifiante a base de nanoparticules metalliques |
WO2016136873A1 (fr) * | 2015-02-27 | 2016-09-01 | Jxエネルギー株式会社 | Composition d'huile lubrifiante pour engrenage de réduction finale |
CN109072122B (zh) * | 2016-03-03 | 2022-03-04 | 路博润公司 | 具有改进的空气释放的润滑油组合物 |
JP2018119059A (ja) * | 2017-01-25 | 2018-08-02 | 出光興産株式会社 | 変速機用潤滑油組成物、変速機の潤滑方法及び変速機 |
US10808198B2 (en) * | 2019-01-16 | 2020-10-20 | Afton Chemical Corporation | Lubricant containing thiadiazole derivatives |
CN114381320B (zh) * | 2020-10-21 | 2023-09-26 | 中国石油天然气股份有限公司 | 齿轮油添加剂组合物及其制备方法与应用 |
EP4368687A1 (fr) * | 2022-11-10 | 2024-05-15 | Afton Chemical Corporation | Inhibiteur de corrosion et lubrifiant industriel le comprenant |
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US4344854A (en) | 1975-03-21 | 1982-08-17 | The Lubrizol Corporation | Sulfurized compositions |
US4101427A (en) * | 1977-02-09 | 1978-07-18 | Exxon Research & Engineering Co. | Lubricant composition |
US4584114A (en) * | 1980-12-19 | 1986-04-22 | Mobil Oil Corporation | Multifunctional lubricant additives and compositions thereof |
US4575431A (en) | 1984-05-30 | 1986-03-11 | Chevron Research Company | Lubricant composition containing a mixture of neutralized phosphates |
US4707301A (en) * | 1986-07-11 | 1987-11-17 | The Lubrizol Corporation | Norbornyl dimer ester and polyester additives for lubricants and fuels |
CA2012988A1 (fr) | 1989-04-14 | 1990-10-14 | Paul Gaynor Griffin | Additif lubrifiant a base de phosphite d'alkyle sulfure ramifie |
US5135670A (en) | 1990-06-22 | 1992-08-04 | Mobil Oil Corporation | Sulfurized olefin extreme pressure/antiwear additives and compositions thereof |
CN1081198A (zh) | 1992-07-10 | 1994-01-26 | 广东石油化工专科学校科技开发公司 | 一种电热取暖器导热油 |
US5439605A (en) * | 1993-06-03 | 1995-08-08 | Khorramian; Behrooz A. | Phosphorus and phosphours-free low and light ash lubricating oils |
AU710294B2 (en) | 1995-09-12 | 1999-09-16 | Lubrizol Corporation, The | Lubrication fluids for reduced air entrainment and improved gear protection |
JP4836298B2 (ja) * | 1998-08-20 | 2011-12-14 | 昭和シェル石油株式会社 | 潤滑油組成物 |
CN1076393C (zh) | 1998-10-30 | 2001-12-19 | 中国石化兰州炼油化工总厂 | 汽车自动传动液组合物 |
GB9901667D0 (en) * | 1999-01-26 | 1999-03-17 | Ici Plc | Lubricant composition |
JP2000273480A (ja) * | 1999-03-29 | 2000-10-03 | Asahi Denka Kogyo Kk | 潤滑性組成物 |
US6238316B1 (en) | 1999-04-23 | 2001-05-29 | Gary Lee Sturm | Differential axle speed sensing mechanism |
US6133207A (en) | 1999-12-22 | 2000-10-17 | Ethyl Corporation | Odor reduction of lubricant additives packages |
JP2002097488A (ja) | 2000-09-19 | 2002-04-02 | Ethyl Corp | 増強された最終動力伝達装置性能のギア油配合物 |
US6656887B2 (en) * | 2001-01-24 | 2003-12-02 | Nippon Mitsubishi Oil Corporation | Lubricating oil compositions |
EP1379617B1 (fr) * | 2001-04-11 | 2006-12-13 | The Lubrizol Corporation | Procede de lubrification de transmissions avec des lubrifiants contenant un copolymere olefinique et un copolymere d'acrylate |
JP4993821B2 (ja) | 2001-06-13 | 2012-08-08 | Jx日鉱日石エネルギー株式会社 | 潤滑油組成物 |
US20030092585A1 (en) | 2001-11-13 | 2003-05-15 | The Lubrizol Corporation | Lubricating compositions and concentrates containing an antiwear amount of a thiadiazole |
EP1344810A1 (fr) * | 2002-03-13 | 2003-09-17 | Infineum International Limited | Compositions d'additifs pour combustible pour moteur diesel équipé d'un piège à particules |
US20040132629A1 (en) | 2002-03-18 | 2004-07-08 | Vinci James N. | Lubricants containing olefin copolymer and acrylate copolymer |
ES2329446T3 (es) | 2002-07-30 | 2009-11-26 | Chevron Oronite S.A. | Composicion aditiva para aceite de transmision que contienen un borato de metal alcalino hidratado y nitruro de boro hexagonal. |
US20040176256A1 (en) * | 2002-11-07 | 2004-09-09 | Nippon Oil Corporation | Lubricating oil composition for transmissions |
JP2004217797A (ja) * | 2003-01-15 | 2004-08-05 | Ethyl Japan Kk | 長寿命で熱安定性に優れたギア油組成物 |
US20040214729A1 (en) | 2003-04-25 | 2004-10-28 | Buitrago Juan A. | Gear oil composition having improved copper corrosion properties |
EP1535987B1 (fr) | 2003-11-28 | 2013-01-09 | Chevron Oronite SAS | Composition additive pour huile de transmission contenant du nitrure de bore hexagonal et un améliorant de l'indice de viscosité |
CN100497562C (zh) | 2004-07-29 | 2009-06-10 | 中国石油化工股份有限公司 | 通用齿轮油组合物 |
JP5350583B2 (ja) | 2006-08-03 | 2013-11-27 | 出光興産株式会社 | 潤滑油組成物及びそれを用いた自動車変速機の金属疲労の向上方法 |
EP2380952A1 (fr) | 2006-10-24 | 2011-10-26 | Total Raffinage Marketing | Fluide lubrifiant multifonctionnel |
JP2008255239A (ja) | 2007-04-05 | 2008-10-23 | Japan Energy Corp | ギヤ油組成物 |
FR2925520B1 (fr) | 2007-12-21 | 2011-02-25 | Total France | Compositions lubrifiantes pour transmissions |
FR2936812B1 (fr) * | 2008-10-03 | 2010-10-15 | Total France | Compositions lubrifiantes pour transmissions. |
US20100160196A1 (en) * | 2008-12-23 | 2010-06-24 | Clarke Dean B | Power Transmission Fluids with Improved Viscometric Properties |
FR2945754A1 (fr) | 2009-05-20 | 2010-11-26 | Total Raffinage Marketing | Nouveaux additifs pour huiles transmission |
EP2159275A3 (fr) | 2009-10-14 | 2010-04-28 | Shell Internationale Research Maatschappij B.V. | Composition de lubrification |
WO2011062282A1 (fr) | 2009-11-19 | 2011-05-26 | 株式会社ジェイテクト | Huile lubrifiante, élément de friction et différentiel à engrenages et à glissement limité |
FR2961823B1 (fr) | 2010-06-25 | 2013-06-14 | Total Raffinage Marketing | Compositions lubrifiantes pour transmissions automobiles |
CN102344849B (zh) | 2010-07-29 | 2013-07-31 | 中国石油化工股份有限公司 | 一种汽轮机油添加剂组合物 |
FR2968669B1 (fr) | 2010-12-13 | 2014-02-28 | Total Raffinage Marketing | Composition de graisse |
-
2011
- 2011-12-16 FR FR1161856A patent/FR2984348B1/fr active Active
-
2012
- 2012-12-14 CA CA2858927A patent/CA2858927A1/fr not_active Abandoned
- 2012-12-14 JP JP2014546551A patent/JP6067027B2/ja not_active Expired - Fee Related
- 2012-12-14 US US14/364,988 patent/US9334462B2/en not_active Expired - Fee Related
- 2012-12-14 MX MX2014007278A patent/MX343664B/es active IP Right Grant
- 2012-12-14 CN CN201280061291.4A patent/CN104066827B/zh not_active Expired - Fee Related
- 2012-12-14 AR ARP120104759A patent/AR089276A1/es not_active Application Discontinuation
- 2012-12-14 WO PCT/EP2012/075645 patent/WO2013087889A1/fr active Application Filing
- 2012-12-14 KR KR1020147016039A patent/KR101984065B1/ko active IP Right Grant
- 2012-12-14 RU RU2014124015A patent/RU2612803C2/ru not_active IP Right Cessation
- 2012-12-14 EP EP12809233.5A patent/EP2791294B1/fr active Active
- 2012-12-14 BR BR112014014490-7A patent/BR112014014490A2/pt not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO2013087889A1 * |
Also Published As
Publication number | Publication date |
---|---|
FR2984348A1 (fr) | 2013-06-21 |
RU2612803C2 (ru) | 2017-03-13 |
MX343664B (es) | 2016-11-16 |
RU2014124015A (ru) | 2016-02-10 |
JP2015500385A (ja) | 2015-01-05 |
KR101984065B1 (ko) | 2019-05-30 |
AR089276A1 (es) | 2014-08-13 |
FR2984348B1 (fr) | 2015-02-27 |
US9334462B2 (en) | 2016-05-10 |
CN104066827B (zh) | 2016-11-16 |
MX2014007278A (es) | 2014-08-01 |
KR20140110861A (ko) | 2014-09-17 |
BR112014014490A2 (pt) | 2019-10-01 |
WO2013087889A1 (fr) | 2013-06-20 |
US20150218481A1 (en) | 2015-08-06 |
EP2791294B1 (fr) | 2020-09-02 |
JP6067027B2 (ja) | 2017-01-25 |
CA2858927A1 (fr) | 2013-06-20 |
CN104066827A (zh) | 2014-09-24 |
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