EP3704218A1 - Hydraulic composition for extreme cold - Google Patents
Hydraulic composition for extreme coldInfo
- Publication number
- EP3704218A1 EP3704218A1 EP18795591.9A EP18795591A EP3704218A1 EP 3704218 A1 EP3704218 A1 EP 3704218A1 EP 18795591 A EP18795591 A EP 18795591A EP 3704218 A1 EP3704218 A1 EP 3704218A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- equal
- composition according
- weight
- composition
- base oil
- 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.)
- Withdrawn
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 116
- 239000002199 base oil Substances 0.000 claims abstract description 44
- 239000000314 lubricant Substances 0.000 claims abstract description 43
- 230000001050 lubricating effect Effects 0.000 claims abstract description 43
- 239000002562 thickening agent Substances 0.000 claims abstract description 10
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 21
- 239000003921 oil Substances 0.000 claims description 19
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 17
- 229920001223 polyethylene glycol Polymers 0.000 claims description 17
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000011149 active material Substances 0.000 claims description 5
- 239000012188 paraffin wax Substances 0.000 claims description 4
- 239000003623 enhancer Substances 0.000 claims description 2
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 239000000654 additive Substances 0.000 description 28
- 239000003963 antioxidant agent Substances 0.000 description 19
- 235000019198 oils Nutrition 0.000 description 17
- 230000000996 additive effect Effects 0.000 description 14
- 150000001875 compounds Chemical class 0.000 description 12
- -1 bio-sourced Substances 0.000 description 11
- 239000002202 Polyethylene glycol Substances 0.000 description 9
- 239000003599 detergent Substances 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 229920013639 polyalphaolefin Polymers 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 150000002924 oxiranes Chemical class 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 6
- 239000007866 anti-wear additive Substances 0.000 description 6
- AHLWZBVXSWOPPL-RGYGYFBISA-N 20-deoxy-20-oxophorbol 12-myristate 13-acetate Chemical compound C([C@]1(O)C(=O)C(C)=C[C@H]1[C@@]1(O)[C@H](C)[C@H]2OC(=O)CCCCCCCCCCCCC)C(C=O)=C[C@H]1[C@H]1[C@]2(OC(C)=O)C1(C)C AHLWZBVXSWOPPL-RGYGYFBISA-N 0.000 description 5
- 241001602688 Pama Species 0.000 description 5
- 125000000217 alkyl group Chemical group 0.000 description 5
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 4
- 150000001412 amines Chemical class 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000002270 dispersing agent Substances 0.000 description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 description 4
- 239000011707 mineral Substances 0.000 description 4
- 150000002825 nitriles Chemical class 0.000 description 4
- 150000002989 phenols Chemical class 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- 239000005069 Extreme pressure additive Substances 0.000 description 3
- BTHAQRDGBHUQMR-UHFFFAOYSA-N [S]P(=O)=O Chemical compound [S]P(=O)=O BTHAQRDGBHUQMR-UHFFFAOYSA-N 0.000 description 3
- 125000002947 alkylene group Chemical group 0.000 description 3
- 239000012990 dithiocarbamate Substances 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003607 modifier Substances 0.000 description 3
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 235000015112 vegetable and seed oil Nutrition 0.000 description 3
- 239000008158 vegetable oil Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 150000004982 aromatic amines Chemical class 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000004517 catalytic hydrocracking Methods 0.000 description 2
- 150000001768 cations Chemical class 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- VJHINFRRDQUWOJ-UHFFFAOYSA-N dioctyl sebacate Chemical compound CCCCC(CC)COC(=O)CCCCCCCCC(=O)OCC(CC)CCCC VJHINFRRDQUWOJ-UHFFFAOYSA-N 0.000 description 2
- 150000002009 diols Chemical class 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical group C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- 150000004659 dithiocarbamates Chemical class 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- YFHFHLSMISYUAQ-UHFFFAOYSA-N farnesane Chemical compound CCC(C)CCCC(C)CCCC(C)C YFHFHLSMISYUAQ-UHFFFAOYSA-N 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 125000001183 hydrocarbyl group Chemical group 0.000 description 2
- 239000002480 mineral oil Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002530 phenolic antioxidant Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 description 1
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- DSZTYVZOIUIIGA-UHFFFAOYSA-N 1,2-Epoxyhexadecane Chemical compound CCCCCCCCCCCCCCC1CO1 DSZTYVZOIUIIGA-UHFFFAOYSA-N 0.000 description 1
- PQXKWPLDPFFDJP-UHFFFAOYSA-N 2,3-dimethyloxirane Chemical compound CC1OC1C PQXKWPLDPFFDJP-UHFFFAOYSA-N 0.000 description 1
- MPGABYXKKCLIRW-UHFFFAOYSA-N 2-decyloxirane Chemical compound CCCCCCCCCCC1CO1 MPGABYXKKCLIRW-UHFFFAOYSA-N 0.000 description 1
- JCGRTWRFDLWVDA-UHFFFAOYSA-N 2-docosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCCC1CO1 JCGRTWRFDLWVDA-UHFFFAOYSA-N 0.000 description 1
- IOHJQSFEAYDZGF-UHFFFAOYSA-N 2-dodecyloxirane Chemical compound CCCCCCCCCCCCC1CO1 IOHJQSFEAYDZGF-UHFFFAOYSA-N 0.000 description 1
- RUQHBZQQOHAECP-UHFFFAOYSA-N 2-henicosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCC1CO1 RUQHBZQQOHAECP-UHFFFAOYSA-N 0.000 description 1
- OTMVEZVBFTVKJT-UHFFFAOYSA-N 2-heptacosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCC1CO1 OTMVEZVBFTVKJT-UHFFFAOYSA-N 0.000 description 1
- CEUXMUYHMURJFZ-UHFFFAOYSA-N 2-heptadecyloxirane Chemical compound CCCCCCCCCCCCCCCCCC1CO1 CEUXMUYHMURJFZ-UHFFFAOYSA-N 0.000 description 1
- GXOYTMXAKFMIRK-UHFFFAOYSA-N 2-heptyloxirane Chemical compound CCCCCCCC1CO1 GXOYTMXAKFMIRK-UHFFFAOYSA-N 0.000 description 1
- MBJVZMPEPVSKAS-UHFFFAOYSA-N 2-hexacosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCC1CO1 MBJVZMPEPVSKAS-UHFFFAOYSA-N 0.000 description 1
- QBJWYMFTMJFGOL-UHFFFAOYSA-N 2-hexadecyloxirane Chemical compound CCCCCCCCCCCCCCCCC1CO1 QBJWYMFTMJFGOL-UHFFFAOYSA-N 0.000 description 1
- NJWSNNWLBMSXQR-UHFFFAOYSA-N 2-hexyloxirane Chemical compound CCCCCCC1CO1 NJWSNNWLBMSXQR-UHFFFAOYSA-N 0.000 description 1
- MDJCCLDIFSDFTH-UHFFFAOYSA-N 2-icosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCC1CO1 MDJCCLDIFSDFTH-UHFFFAOYSA-N 0.000 description 1
- LXVAZSIZYQIZCR-UHFFFAOYSA-N 2-nonyloxirane Chemical compound CCCCCCCCCC1CO1 LXVAZSIZYQIZCR-UHFFFAOYSA-N 0.000 description 1
- RTUMGNFSOFMUTE-UHFFFAOYSA-N 2-octacosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCCCCC1CO1 RTUMGNFSOFMUTE-UHFFFAOYSA-N 0.000 description 1
- BHZBVWCLMYQFQX-UHFFFAOYSA-N 2-octadecyloxirane Chemical compound CCCCCCCCCCCCCCCCCCC1CO1 BHZBVWCLMYQFQX-UHFFFAOYSA-N 0.000 description 1
- BOCWDJAZMCYZAJ-UHFFFAOYSA-N 2-pentacosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCCC1CO1 BOCWDJAZMCYZAJ-UHFFFAOYSA-N 0.000 description 1
- XSNXNMMWBCZUSS-UHFFFAOYSA-N 2-pentadecyloxirane Chemical compound CCCCCCCCCCCCCCCC1CO1 XSNXNMMWBCZUSS-UHFFFAOYSA-N 0.000 description 1
- VHAXNXDRZSLKOX-UHFFFAOYSA-N 2-tetracosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCCC1CO1 VHAXNXDRZSLKOX-UHFFFAOYSA-N 0.000 description 1
- YAATWUNXLPVULE-UHFFFAOYSA-N 2-tricosyloxirane Chemical compound CCCCCCCCCCCCCCCCCCCCCCCC1CO1 YAATWUNXLPVULE-UHFFFAOYSA-N 0.000 description 1
- QMIBIXKZPBEGTE-UHFFFAOYSA-N 2-tridecyloxirane Chemical compound CCCCCCCCCCCCCC1CO1 QMIBIXKZPBEGTE-UHFFFAOYSA-N 0.000 description 1
- ZKAPVLMBPUYKKP-UHFFFAOYSA-N 2-undecyloxirane Chemical compound CCCCCCCCCCCC1CO1 ZKAPVLMBPUYKKP-UHFFFAOYSA-N 0.000 description 1
- RREANTFLPGEWEN-MBLPBCRHSA-N 7-[4-[[(3z)-3-[4-amino-5-[(3,4,5-trimethoxyphenyl)methyl]pyrimidin-2-yl]imino-5-fluoro-2-oxoindol-1-yl]methyl]piperazin-1-yl]-1-cyclopropyl-6-fluoro-4-oxoquinoline-3-carboxylic acid Chemical compound COC1=C(OC)C(OC)=CC(CC=2C(=NC(\N=C/3C4=CC(F)=CC=C4N(CN4CCN(CC4)C=4C(=CC=5C(=O)C(C(O)=O)=CN(C=5C=4)C4CC4)F)C\3=O)=NC=2)N)=C1 RREANTFLPGEWEN-MBLPBCRHSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 241001247482 Amsonia Species 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000005749 Copper compound Substances 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
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Chemical class 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 125000004450 alkenylene group Chemical group 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000010775 animal oil Substances 0.000 description 1
- 150000001449 anionic compounds Chemical class 0.000 description 1
- 230000003254 anti-foaming effect Effects 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052728 basic metal Inorganic materials 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 150000001880 copper compounds Chemical class 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195712 glutamate Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 150000002432 hydroperoxides Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002734 metacrylic acid derivatives Chemical class 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 125000005609 naphthenate group Chemical group 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000010690 paraffinic oil Substances 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 150000003873 salicylate salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical class O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 1
- 150000003871 sulfonates Chemical class 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/02—Mixtures of base-materials and thickeners
-
- 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
- C10M119/00—Lubricating compositions characterised by the thickener being a macromolecular compound
- C10M119/04—Lubricating compositions characterised by the thickener being a macromolecular compound containing oxygen
- C10M119/06—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M119/12—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
-
- 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
- C10M119/00—Lubricating compositions characterised by the thickener being a macromolecular compound
- C10M119/04—Lubricating compositions characterised by the thickener being a macromolecular compound containing oxygen
- C10M119/14—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M119/16—Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
- C10M119/18—Polyoxyalkylenes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
- C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
- C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
- C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/003—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions used as base material
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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
- 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
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/1036—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as thickening agents
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/104—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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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
- C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
- C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
- C10M2209/106—Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing four carbon atoms only
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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
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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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
- C10N2030/02—Pour-point; Viscosity index
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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
- C10N2030/08—Resistance to extreme temperature
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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
- C10N2030/36—Seal compatibility, e.g. with rubber
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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
- C10N2030/68—Shear stability
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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
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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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
- C10N2040/30—Refrigerators lubricants or compressors lubricants
Definitions
- the invention relates to the field of lubricants and in particular the field of lubricant compositions used as hydraulic fluid, more particularly implemented at very low temperatures.
- lubricating compositions for use at temperatures below -40 ° C may comprise base oils having a high viscosity index, such as silicones, but this type of oil is expensive and unsuitable for industrial use .
- base oils having a high viscosity index such as silicones
- silicones such as silicones
- PMMA polymethyl methacrylate
- a problem encountered when using such hydraulic fluids at temperatures below -40 ° C is the poor shear stability of these fluids, which can result in a significant loss of kinematic viscosity of the fluid.
- This poor shear stability is due to the addition, generally important (from 30 to 50% by weight of active material), of polymer in the lubricant composition.
- compositions allowing the operation of machines at low temperatures, for example at temperatures below -40 ° C., especially in polar medium, these compositions preferably having a good shear stability, good storage stability and acceptable seal compatibility.
- the invention provides a hydraulic composition which makes it possible to provide a solution to all or part of the problems of lubricating compositions intended to be used at very low temperatures.
- the present invention provides a lubricant composition comprising:
- At least one base oil whose kinematic viscosity measured at 40 ° C is less than or equal to 10 mm 2 / s and whose pour point is less than or equal to -50 ° C;
- At least one thickener chosen from:
- Polyalkylene glycol comprising at least 50% by weight of butylene oxide units and having a kinematic viscosity measured at 100 ° C. according to ASTM D445 (2015) greater than or equal to 50 mm 2 / s, a kinematic viscosity measured at 40 ° C according to ASTM D445
- said lubricating composition having a pour point of less than or equal to
- the lubricant composition according to the invention has a pour point less than or equal to -60 ° C.
- Pour points of -55, -56, -57, -58, -59, -60, -61, -62, -63, -64, -65 ° C may be mentioned by way of example.
- the pour point of the lubricant composition is measured according to ASTM D97.
- the lubricant composition according to the invention has a high viscosity index greater than or equal to 300 and a very low pour point less than or equal to -55 ° C.
- the lubricant composition according to the invention can be used at extreme temperatures and especially at temperatures below -40 ° C.
- the composition of the invention has good shear stability and good storage stability.
- the base oil of the lubricating composition according to the invention is characterized by a kinematic viscosity measured at 40 ° C. of less than or equal to 10 mm 2 / s, preferably the kinematic viscosity at 40 ° C.
- the kinematic viscosity at 40 ° C of the base oil is between 2 and 4 mm 2 / s.
- the viscosity of the base oil of the composition according to the invention at 40 ° C. is measured according to the ISO 3104 standard of July 15, 1997.
- the base oil of the lubricating composition according to the invention is characterized by a pour point less than or equal to -50 ° C.
- the pour point is measured according to ISO 3016 of 1 August 1994.
- the base oil (s) used in the lubricating compositions according to the invention must have the above physical characteristics and may be chosen in a wide range.
- the base oil of the lubricant composition used according to the invention may especially be chosen from mineral, bio-sourced, animal or vegetable oils or synthetic oils.
- the base oil (s) according to the invention may be biobased oils, oils of vegetable origin, mineral or synthetic, chosen from oils of groups III to V according to the classes defined in the API classification (or their equivalents according to US Pat. ATIEL classification) (Table A), alone or in mixtures. Content in the Index of
- PAO polyalphaolefins
- the mineral base oils useful 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, hydroisomerization and hydrofinishing and having the pour point and viscosity characteristics described above. Mixtures of synthetic and mineral oils can also be used.
- the base oil (s) of the lubricating composition according to the invention are chosen from group IV oils or group V oils.
- the base oil (s) of the lubricating composition according to the invention are chosen from biosourced oils.
- the base oils of the lubricating compositions used according to the invention may also be chosen from biosourced oils as derived from the hydrogenation of a plant biomass.
- the plant biomass may be a vegetable oil, an ester or a triglyceride derived from this vegetable oil.
- the Group V base oil according to the invention is chosen from iso-paraffinic oils preferably containing more than 90% by weight of iso-paraffin, preferably more than 95% and more particularly more than 98% by weight. % and having a content aromatic lower than 300 ppm, preferably less than 100 ppm, preferably less than 50 ppm, more preferably less than 20 ppm.
- the aromatic content is measured by UV.
- this base oil contains less than 3% by weight of naphthene, preferably less than 1%, and even more preferably less than 100 ppm.
- this base oil is characterized by an isoparaffin / n-paraffin mass ratio greater than or equal to 12: 1, preferably greater than or equal to 15: 1, and advantageously greater than or equal to 20: 1.
- this base oil comprises from 6 to 30 carbon atoms, preferably from 8 to 24, and even more advantageously from 9 to 20.
- this base oil contains less than 5 ppm, preferably less than 3 ppm, and advantageously less than 0.5 ppm sulfur.
- this base oil is characterized by a boiling point of between 100 and 400 ° C., preferably between 150 and 400 ° C., more preferably between 200 and 400 ° C., and even more preferably between 220 and 340 ° C. C and advantageously between 250 and 340 ° C.
- the base oils of the lubricating compositions according to the invention can also be chosen from polyalphaolefins (PAO) such as PAO 2, gas to liquid oils (GTL), such as GTL2, biosourced oils such as farnesane and isoparaffins. obtained by hydrocracking and hydrodearomatization process such as those of the ISANE® range marketed by TOTAL FLUIDS, or de-aromatized aliphatic oils such as Hydroseal® oils marketed by TOTAL FLUIDS.
- Apolar fluids such as those from the Berylane® range marketed by TOTAL FLUIDS, can also be used as base oils as well as more generally renewable fluids.
- the group IV base oil according to the invention is chosen from polyalphaolefins (PAO) such as PAO 2.
- PAO polyalphaolefins
- the lubricating composition according to the invention comprises from 50 to 85% by weight of base oil relative to the total mass of the composition, preferably from 55 to 80%, more preferably from 60 to 75%.
- the lubricating composition according to the invention may optionally comprise a minor base oil in a small proportion.
- the secondary base oil of the composition according to the invention is chosen from the base oils of groups I or II according to the classes defined in the API classification (or their equivalents according to the ATIEL classification) (Table A), alone or in mixed.
- the content of secondary base oil of the lubricating composition according to the invention is less than or equal to 10%, preferably less than or equal to 5% by weight relative to the total mass of the lubricating composition.
- the lubricant composition according to the invention may also comprise at least one thickener chosen from:
- Polyalkylene glycol comprising at least 50% by weight of butylene oxide units and having a kinematic viscosity measured at 100 ° C. according to ASTM D445 (2015) greater than or equal to 50 mm 2 / s, a kinematic viscosity measured at 40 ° C. according to the ASTM D445 (2015) standard greater than or equal to 500 mm 2 / s and a Viscosity Index measured according to the ASTM D2270 (2012) standard greater than or equal to 160;
- thickening factor means a compound, preferably a polymeric compound used to increase the kinematic viscosity of the base oil and characterized by a thickening factor of less than 1.
- the thickening factor is the ratio of specific viscosity at 98 ° C (210 ° F) to specific viscosity at 37 ° C (100 ° F).
- the thickening factor is in particular defined in the publication "Influence of base oil refining on the performance of viscosity index improvers" H. Singh et al. (Wear, 18, 33-56, 1987), on page 47.
- the base oil and the PAG are two distinct compounds.
- the PAG of the invention comprises at least 80% by weight of butylene oxide units.
- the PAG of the invention is a PAG whose alkylene units are only butylene oxide units.
- the PAG of the invention is therefore described as a PAG whose alkylene oxide units are chosen from butylene oxide units with at least 50% by weight, of preferably at least 80% by weight, more preferably 100% by weight, of butylene oxide units.
- the PAG of the invention is soluble in the base oil, and advantageously whatever the temperature.
- the PAG is obtained by polymerization or copolymerization of butylene oxides.
- the PAG of the invention may be prepared according to the known methods described especially in US20120108482 and in particular by reaction of one or more alcohols comprising from 2 to 12 carbon atoms, in particular polyol, preferably diol, with butylene oxide and propylene oxide.
- the alcohols are especially diols and preferably 1,2-propanediol.
- the butylene oxide may be selected from 1,2-butylene oxide or 2,3-butylene oxide, preferably 1,2-butylene oxide.
- the PAG of the invention comprises from 25 to 300 moles of butylene oxide units, preferably from 50 to 200 moles.
- the PAG of the invention comprises a ratio O / C (oxygen atom / carbon atom) by weight of between 0.29 and 0.38, preferably between 0.29 and 0.35.
- the PAG of the invention has a molar mass of between 5000 and 200000 g / mol.
- the PAG of the invention has a kinematic viscosity, measured at 100 ° C. according to ASTM D445 (2015), of between 50 and 500 mm 2 / s, a kinematic viscosity, measured at 40 ° C. according to the standard ASTM D445 (2015), between 500 and 4500 mm 2 / s and a Viscosity Index, measured according to ASTM D2270 (2012), between 160 and 300.
- the PAGs used in the context of the invention are as described in the patent application US2014 / 303053 and incorporated by reference in the present description.
- the alkoxylated polyethylene glycols used in the context of the invention are as described in the patent application US2016 / 348024 and incorporated by reference in the present description.
- the alkoxylated polyethylene glycols according to the invention are of general formula (I)
- n is an integer from 0 to 30,
- n m ' is an integer from 0 to 30,
- k is an integer from 2 to 50
- R 1 denotes a linear or branched, unsubstituted alkyl radical having 6, 7, 8, 9, 10, 1 1, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 or 28 carbon atoms, whereby the concatenations designated as k, m and m 'are distributed to form a block polymeric structure. More preferentially, the alkoxylated polyethylene glycols according to the invention are of general formula (II)
- n 1 to 50
- n m ' is an integer from 1 to 50
- n is an integer from 0 to 75
- n ' is an integer from 0 to 75
- P is an integer from 0 to 90
- P ' is an integer from 0 to 90
- k is an integer from 2 to 50
- R 1 denotes a linear or branched, unsubstituted alkyl radical having 6, 7, 8, 9, 10, 1 1, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27 or 28 carbon atoms
- R 2 represents -CH 2 -CH 3
- R 3 represents -CH3.
- branched refers to a chain of atoms with one or more side chains attached thereto. Branching occurs by replacing a substituent, for example a hydrogen atom, with a covalently bonded alkyl radical.
- the alkoxylated polyethylene glycol as defined in the invention has a kinematic viscosity of between 40 mm 2 / s and 1300 mm 2 / s, more preferably between 50 mm 2 / s and 1200 mm 2 / s, more preferably more preferred between 70 mm 2 / s to 1000 mm 2 / s, most preferably between 100 mm 2 / s and 500 mm 2 / s, at 40 0 C, determined according to ASTM D 445.
- the alkoxylated polyethylene glycol as defined in the invention has a kinematic viscosity of between 10 mm 2 / s and 100 mm 2 / s, more preferably between 12 mm 2 / s and 80 mm 2 / s, even more preferentially between 14 mm 2 / s and 65 mm 2 / s, preferably between 15 mm 2 / s and 60 mm 2 / s, at 100 ° C, determined according to ASTM D 445.
- the alkoxylated polyethylene glycol as defined in the invention has a viscosity number between 100 and 300, more preferably between 120 and 280, still more preferably between 140 and 250, determined according to ASTM D 2270.
- the alkoxylated polyethylene glycol as defined in the invention has a viscosity number of 200 ⁇ 60, more preferably 200 ⁇ 50, still more preferably 200 ⁇ 40, most preferably 200 ⁇ 30, determined according to ASTM standard. D 2270.
- the alkoxylated polyethylene glycol as defined in the invention has a pour point of -60 ° C and 20 ° C, more preferably between -50 ° C and 15 ° C, even more preferably between -50 ° C and 5 ° C, preferably between -50 ° C and - 5 ° C, determined according to DIN ISO 3016.
- the alkoxylated polyethylene glycol as in the invention has a weight average molecular weight Mw of between 500 and 20,000 g / mol, more preferably between 2,000 and 15,000 g / mol, more advantageously between 3,000 and 12000 g / mol, preferably between 4000 to 10000 g / mol, in particular between 4000 and 8000 g / mol, determined according to DIN 55672-1.
- the alkoxylated polyethylene glycol as in the invention has a polydispersity of between 1.05 and 1.60, more preferably between 1.05 and 1.50, most preferably between 1.10 and 1.45, determined in accordance with DIN 55672-1.
- the alkoxylated polyethylene glycol as in the invention has a hydroxyl number of between 5 and 50 mg KOH / g, more preferably between 5 and 40 mg KOH / g, preferably between 5 and 35 mg KOH / g, determined according to DIN 53240.
- the alkoxylated polyethylene glycols according to the invention are obtained by reacting at least one polyethylene glycol block polymer with at least one C 8 -C 30 epoxyalkane and optionally at least one epoxide selected from the group consisting of ethylene oxide, propylene oxide and butylene oxide in the presence of at least one catalyst.
- the at least one C8-C30 epoxyalkane and the at least one epoxide selected from the group consisting of ethylene oxide, propylene oxide and butylene oxide can be either added as a mixture of epoxides to obtain a random copolymer, or in portions, each portion containing a different epoxide, to obtain a block copolymer .
- the at least one C8-C30 epoxyalkane is selected from the group consisting of 1,2-epoxyoctane; 1, 2-epoxynonane; 1,2-epoxidecane; 1,2-epoxyundecane; 1,2-epoxydodecane; 1,2-epoxytridecane; 1,2-epoxytetradecane; 1,2-epoxypentadecane; 1,2-epoxyhexadecane; 1,2-epoxyheptadecane; 1,2-epoxyoctadecane; 1, 2-epoxynonadecane; 1,2-epoxyicosane; 1, 2-epoxyunicosane; 1, 2-epoxydocosane; 1,2-epoxytricosane; 1,2-epoxytetracosan; 1, 2-epoxypentacosane; 1, 2-époxyhexacosane; 1,2-epoxyheptacosane; 1,2-e
- the lubricant composition according to the invention comprises between 5 and 50% by mass of active material of thickener, more particularly between 10 and 45% by mass of active material of thickener, with respect to the total mass of the lubricating composition, of preferably from 15 to 45%.
- the lubricating composition according to the invention may also comprise at least one viscosity index improver chosen from (polyalkyl) methacrylates (PAMA) and hydrogenated polyisoprene-styrene (PISH).
- PAMA polyalkyl methacrylates
- PISH hydrogenated polyisoprene-styrene
- the thickener and viscosity index improver included in the lubricating composition are two different compounds, including two compounds of different chemical nature.
- the lubricating composition according to the invention may further comprise between 5 and 20% by weight of active ingredient of viscosity enhancer relative to the total mass of the composition, preferably from 5 to 15%.
- PAMA or PISH contained in the composition according to the invention are polymers that can be in any configuration, linear, grafted, comb or star.
- the PAMA can be characterized by a molar mass of between 55,000 and 80000 g / mol, the molar mass being measured by GPC-3D.
- the viscosity improver is chosen from PAMA.
- Viscoplex 7-200® As an example of PAMA according to the invention, mention may be made of Viscoplex 7-200® from the company Evonik.
- the molecular weights of the viscosity improvers according to the invention are for example between 55,000 and 100,000 g. mol "1 .
- the lubricating composition according to the invention may also comprise at least one or more additives.
- the preferred additives for the lubricant composition used according to the invention are chosen from antiwear additives, extreme pressure additives, friction modifying additives, antioxidants, detergent additives, dispersants, antifoam agents, demulsifiers, lubricity improvers and mixtures thereof.
- Anti-wear additives and extreme pressure additives protect friction surfaces by forming a protective film adsorbed on these surfaces.
- the anti-wear additives may be chosen from phospho-sulfur additives such as metal alkylthiophosphates, in particular zinc alkylthiophosphates, and more specifically zinc dialkyldithiophosphates or ZnDTPs.
- the anti-wear additives may also be chosen from zinc-free compounds such as amine phosphates, phosphites, for example mono-, di- or phosphite triesters and dithiocarbamates, for example amine dithiocarbamates
- the lubricant composition used according to the invention may comprise from 0.01 to 6% by weight, preferably from 0.05 to 4% by weight, more preferably from 0.1 to 2% by weight relative to the total weight of lubricating composition, antiwear additives and extreme pressure additives.
- the lubricant composition according to the invention may comprise at least one friction-modifying additive.
- the friction modifying additive may be chosen from a compound providing metal elements and an ash-free compound.
- the compounds providing metal elements mention may be made of transition metal complexes such as Mo, Sb, Sn, Fe, Cu and Zn, the ligands of which may be hydrocarbon compounds comprising oxygen, nitrogen, sulfur or phosphorus.
- the ashless friction modifier additives are generally of organic origin and may be selected from monoesters of fatty acids and polyols, alkoxylated amines, alkoxylated fatty amines, fatty epoxides, borate fatty epoxides; fatty amines or fatty acid glycerol esters.
- the fatty compounds comprise at least one hydrocarbon group comprising from 10 to 24 carbon atoms.
- the lubricant composition used according to the invention may comprise from 0.01 to 2% by weight or from 0.01 to 5% by weight, preferably from 0.1 to 1.5% by weight. or from 0.1 to 2% by weight relative to the total weight of the lubricant composition, friction modifier additive.
- the lubricant composition according to the invention may comprise at least one antioxidant additive.
- the antioxidant additive generally serves to retard the degradation of the lubricating composition in service. This degradation can notably result in the formation of deposits, the presence of sludge or an increase in the viscosity of the lubricant composition.
- Antioxidant additives act in particular as radical inhibitors or destroyers of hydroperoxides.
- antioxidant additives commonly used, mention may be made of antioxidant additives of phenolic type, antioxidant additives of amine type, antioxidant phosphosulfur additives.
- Some of these antioxidant additives, for example phosphosulfur antioxidant additives can be ash generators. Phenolic antioxidant additives may be ash-free or may be in the form of neutral or basic metal salts.
- the antioxidant additives may especially be chosen from sterically hindered phenols, sterically hindered phenol esters and sterically hindered phenols comprising a thioether bridge, diphenylamines, diphenylamines substituted with at least one C 1 -C 12 alkyl group, ⁇ , ⁇ '-dialkyl-aryl diamines and mixtures thereof.
- the sterically hindered phenols are chosen from compounds comprising a phenol group in which at least one vicinal carbon of the carbon carrying the alcohol function is substituted by at least one alkyl group in the form of d-C 10 , preferably a grouping.
- Amino compounds are another class of antioxidant additives that can be used, optionally in combination with phenolic antioxidant additives.
- amine compounds are aromatic amines, for example aromatic amines of formula NR c R d R e in which R c represents an optionally substituted aliphatic or aromatic group, R d represents an aromatic group, optionally substituted, R e represents a hydrogen atom, an alkyl group, an aryl group or a group of formula R f S (O) z R 9 in which R f represents an alkylene group or an alkenylene group, R 9 represents an alkyl group, an alkenyl group or an aryl group and z represents 0, 1 or 2.
- Sulfurized alkyl phenols or their alkali and alkaline earth metal salts may also be used as antioxidant additives.
- Another class of antioxidant additives is copper compounds, for example copper thio- or dithiophosphates, copper and acid salts. carboxylic acid, dithiocarbamates, sulfonates, phenates, copper acetylacetonates. Copper salts I and II, succinic acid or anhydride salts can also be used.
- the lubricant composition used according to the invention may contain all types of antioxidant additives known to those skilled in the art.
- the lubricating composition comprises at least one ash-free antioxidant additive.
- the lubricant composition used according to the invention comprises from 0.5 to 2% by weight, relative to the total weight of the composition, of at least one antioxidant additive.
- the lubricant composition according to the invention may also comprise at least one detergent additive.
- the detergent additives generally make it possible to reduce the formation of deposits on the surface of the metal parts by dissolving the secondary oxidation and combustion products.
- the detergent additives that can be used in the lubricant composition used according to the invention are generally known to those skilled in the art.
- the detergent additives may be anionic compounds comprising a long lipophilic hydrocarbon chain and a hydrophilic head.
- the associated cation may be a metal cation of an alkali metal or alkaline earth metal.
- the detergent additives are preferably chosen from the alkali metal or alkaline earth metal salts of carboxylic acids, the sulphonates, the salicylates, the naphthenates and the phenate salts.
- the alkali and alkaline earth metals are preferably calcium, magnesium, sodium or barium. These metal salts generally comprise the metal in stoichiometric amount or in excess, therefore in an amount greater than the stoichiometric amount. It is then overbased detergent additives; the excess metal bringing the overbased character to the detergent additive is then generally in the form of an oil insoluble metal salt, for example a carbonate, a hydroxide, an oxalate, an acetate, a glutamate, preferably a carbonate .
- the lubricant composition used according to the invention may comprise from 2 to 4% by weight of detergent additive relative to the total mass of the lubricant composition.
- the lubricant composition according to the invention may also comprise at least one dispersing agent.
- the dispersing agent may be chosen from Mannich bases, succinimides and their derivatives.
- the lubricant composition used according to the invention may comprise from 0.2 to 10% by weight of dispersing agent relative to the total weight of the lubricating composition.
- the lubricating composition may also comprise an anti-foam additive chosen from silicones and their derivatives, such as polysiloxanes and their derivatives.
- an anti-foaming additive may be Bluesil 47V12500® marketed by Bluestar Silicones.
- the antifoam additive of the lubricant composition according to the invention may also be chosen from acrylics, such as PC1244® marketed by Mosanto.
- the lubricant composition may also comprise a demulsifier chosen from polyethers and their derivatives, such as the Embreak 2W6975® compounds sold by the company General Electric and Prochinor GR77® marketed by Arkema.
- a demulsifier chosen from polyethers and their derivatives, such as the Embreak 2W6975® compounds sold by the company General Electric and Prochinor GR77® marketed by Arkema.
- the lubricating composition according to the invention comprises at least one additive chosen from antioxidants, antiwear, antifoams and demulsifiers.
- the lubricating composition according to the invention may also comprise at least one additive improving lubricity, such as di-esters, such as 2-ethylhexyl sebacate.
- the lubricant composition according to the invention has a viscosity index greater than or equal to 200, preferably greater than or equal to 250, preferably greater than or equal to 300 and a pour point of between -50 and -66 °. C, preferably between -55 and -63 ° C.
- the viscosity index is measured according to ISO 2909 of December 15, 2002.
- the lubricating composition according to the invention is characterized by good resistance to shear, i.e. a variation of KV100, measured according to DIN standard 51350-6 dated August 1, 1996, less than or equal to 26 %.
- the lubricating composition according to the invention is also characterized by its compatibility with seals, particularly seals nitriles which is measured according to standard NF E 46-610 dated February 1, 2012. Two characteristics are measured to ensure the criterion compatibility with nitrile seals, volume variation which must be between 0 and 12% and hardness variation which must be between 0 and -7%.
- the lubricant composition according to the invention is particularly advantageous for its use as a hydraulic fluid, especially for industrial machines at temperatures below -40 ° C.
- the invention also relates to the use of a lubricant composition according to the invention as a lubricating composition for a rotary compressor, in particular in a polar climate.
- the particular, advantageous or preferred characteristics of the lubricant composition according to the invention make it possible to define uses according to the invention which are also particular, advantageous or preferred.
- the additive package is a conventional commercial additive package comprising in particular an antifoam, an anti-corrosion additive, an antioxidant additive.
- EXAMPLE 2 Measurement of the Characteristics of the Lubricating Compositions CL1, CL2 and CL3
- the kinematic viscosities at 40 ° C. and 100 ° C. are measured according to the ISO 3104 standard of July 15, 1997.
- the lubricant compositions according to the invention have good viscosity properties, especially at 40 and 100 ° C.
- the viscosity index was calculated according to ISO 2909 of December 15, 2002.
- the pour point was measured according to ISO 3016 of 1 August 1994.
- the viscosity loss at 100 ° C after 20H KRL shear is measured according to DIN 51350-6 standard.
- the lubricant compositions according to the invention are characterized by a pour point of less than or equal to -57 ° C and a viscosity number of between 252 and 289 and a very low loss of viscosity after KRL shear.
- lubricant compositions according to the invention can be used as hydraulic fluid in polar climates. Moreover, the excellent shear strengths (KRL test) make them lubricating compositions whose properties in service are maintained.
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Lubricants (AREA)
- Engineering & Computer Science (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1760289A FR3072969B1 (en) | 2017-10-31 | 2017-10-31 | LUBRICANT COMPOSITION LARGE COLD |
PCT/EP2018/079660 WO2019086423A1 (en) | 2017-10-31 | 2018-10-30 | Hydraulic composition for extreme cold |
Publications (1)
Publication Number | Publication Date |
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EP3704218A1 true EP3704218A1 (en) | 2020-09-09 |
Family
ID=61521591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP18795591.9A Withdrawn EP3704218A1 (en) | 2017-10-31 | 2018-10-30 | Hydraulic composition for extreme cold |
Country Status (5)
Country | Link |
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US (1) | US11434446B2 (en) |
EP (1) | EP3704218A1 (en) |
CN (1) | CN111433332A (en) |
FR (1) | FR3072969B1 (en) |
WO (1) | WO2019086423A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102026330B1 (en) * | 2018-09-27 | 2019-09-27 | 에스케이이노베이션 주식회사 | Mineral based lubricant base oil with improved low temperature performance and method for preparing the same, and lubricant product containing the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5260823B2 (en) * | 2005-10-13 | 2013-08-14 | 昭和シェル石油株式会社 | Hydraulic fluid |
CN102471720A (en) | 2009-07-23 | 2012-05-23 | 陶氏环球技术有限责任公司 | Polyalkylene glycols useful as lubricant additives for groups I-IV hydrocarbon oils |
JP5731306B2 (en) * | 2011-07-21 | 2015-06-10 | 昭和シェル石油株式会社 | Two-phase lubricating oil composition |
US20140303053A1 (en) * | 2011-11-01 | 2014-10-09 | Dow Global Technologies Llc | Oil soluble polyalkylene glycol lubricant compositions |
JP6545181B2 (en) * | 2014-01-28 | 2019-07-17 | ビーエーエスエフ ソシエタス・ヨーロピアBasf Se | Use of alkoxylated polyethylene glycols in lubricating oil compositions |
EP3095839A1 (en) * | 2015-05-20 | 2016-11-23 | Total Marketing Services | Biodegradable hydrocarbon fluids by hydrogenation |
US10190067B2 (en) * | 2016-02-24 | 2019-01-29 | Washington State University | High performance environmentally acceptable hydraulic fluid |
-
2017
- 2017-10-31 FR FR1760289A patent/FR3072969B1/en active Active
-
2018
- 2018-10-30 WO PCT/EP2018/079660 patent/WO2019086423A1/en unknown
- 2018-10-30 CN CN201880077391.3A patent/CN111433332A/en active Pending
- 2018-10-30 US US16/760,798 patent/US11434446B2/en active Active
- 2018-10-30 EP EP18795591.9A patent/EP3704218A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
FR3072969A1 (en) | 2019-05-03 |
US20200339905A1 (en) | 2020-10-29 |
US11434446B2 (en) | 2022-09-06 |
CN111433332A (en) | 2020-07-17 |
FR3072969B1 (en) | 2019-11-22 |
WO2019086423A1 (en) | 2019-05-09 |
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