CN111100736A - Grease composition and preparation method thereof - Google Patents
Grease composition and preparation method thereof Download PDFInfo
- Publication number
- CN111100736A CN111100736A CN201811270203.7A CN201811270203A CN111100736A CN 111100736 A CN111100736 A CN 111100736A CN 201811270203 A CN201811270203 A CN 201811270203A CN 111100736 A CN111100736 A CN 111100736A
- Authority
- CN
- China
- Prior art keywords
- grease composition
- composition according
- base oil
- calcium salt
- organic
- 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
- 239000004519 grease Substances 0.000 title claims abstract description 63
- 239000000203 mixture Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title abstract description 5
- 230000001050 lubricating effect Effects 0.000 claims abstract description 28
- 239000000654 additive Substances 0.000 claims abstract description 24
- 239000002199 base oil Substances 0.000 claims abstract description 24
- 159000000007 calcium salts Chemical class 0.000 claims abstract description 24
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 23
- 239000011733 molybdenum Substances 0.000 claims abstract description 23
- 230000000996 additive effect Effects 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 21
- 239000002562 thickening agent Substances 0.000 claims abstract description 17
- 238000002156 mixing Methods 0.000 claims abstract description 15
- 150000004867 thiadiazoles Chemical class 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 8
- 238000001816 cooling Methods 0.000 claims abstract description 5
- -1 phosphate ester Chemical class 0.000 claims description 22
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 18
- 229910019142 PO4 Inorganic materials 0.000 claims description 13
- 239000010452 phosphate Substances 0.000 claims description 13
- 239000000344 soap Substances 0.000 claims description 8
- 239000011575 calcium Substances 0.000 claims description 7
- 229910052791 calcium Inorganic materials 0.000 claims description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 claims description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 4
- YSMRWXYRXBRSND-UHFFFAOYSA-N TOTP Chemical compound CC1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C)OC1=CC=CC=C1C YSMRWXYRXBRSND-UHFFFAOYSA-N 0.000 claims description 4
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 3
- LRYZVOQZDMSPCB-UHFFFAOYSA-N 2,5-bis(2,4,4-trimethylpentan-2-yldisulfanyl)-1,3,4-thiadiazole Chemical compound CC(C)(C)CC(C)(C)SSC1=NN=C(SSC(C)(C)CC(C)(C)C)S1 LRYZVOQZDMSPCB-UHFFFAOYSA-N 0.000 claims description 2
- NKFIBMOQAPEKNZ-UHFFFAOYSA-N 5-amino-1h-indole-2-carboxylic acid Chemical compound NC1=CC=C2NC(C(O)=O)=CC2=C1 NKFIBMOQAPEKNZ-UHFFFAOYSA-N 0.000 claims description 2
- AVVIDTZRJBSXML-UHFFFAOYSA-L calcium;2-carboxyphenolate;dihydrate Chemical compound O.O.[Ca+2].OC1=CC=CC=C1C([O-])=O.OC1=CC=CC=C1C([O-])=O AVVIDTZRJBSXML-UHFFFAOYSA-L 0.000 claims description 2
- OSPSWZSRKYCQPF-UHFFFAOYSA-N dibutoxy(oxo)phosphanium Chemical compound CCCCO[P+](=O)OCCCC OSPSWZSRKYCQPF-UHFFFAOYSA-N 0.000 claims description 2
- 238000011056 performance test Methods 0.000 abstract description 2
- 150000003014 phosphoric acid esters Chemical class 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 10
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 6
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 5
- 230000003078 antioxidant effect Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 150000007524 organic acids Chemical class 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- GVPWHKZIJBODOX-UHFFFAOYSA-N dibenzyl disulfide Chemical compound C=1C=CC=CC=1CSSCC1=CC=CC=C1 GVPWHKZIJBODOX-UHFFFAOYSA-N 0.000 description 4
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 4
- 229940114072 12-hydroxystearic acid Drugs 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- 239000013556 antirust agent Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N phosphoric acid Substances OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 3
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 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 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- ZMRQTIAUOLVKOX-UHFFFAOYSA-L calcium;diphenoxide Chemical compound [Ca+2].[O-]C1=CC=CC=C1.[O-]C1=CC=CC=C1 ZMRQTIAUOLVKOX-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- DMBHHRLKUKUOEG-UHFFFAOYSA-N diphenylamine Chemical compound C=1C=CC=CC=1NC1=CC=CC=C1 DMBHHRLKUKUOEG-UHFFFAOYSA-N 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- FPLIHVCWSXLMPX-UHFFFAOYSA-M lithium 12-hydroxystearate Chemical compound [Li+].CCCCCCC(O)CCCCCCCCCCC([O-])=O FPLIHVCWSXLMPX-UHFFFAOYSA-M 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 235000011007 phosphoric acid Nutrition 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- YGSDEFSMJLZEOE-UHFFFAOYSA-N salicylic acid Chemical compound OC(=O)C1=CC=CC=C1O YGSDEFSMJLZEOE-UHFFFAOYSA-N 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MBBWTVUFIXOUBE-UHFFFAOYSA-L zinc;dicarbamodithioate Chemical compound [Zn+2].NC([S-])=S.NC([S-])=S MBBWTVUFIXOUBE-UHFFFAOYSA-L 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- WJUMWVJBOZKPPU-UHFFFAOYSA-N 2,3-bis(6-methylheptyl)-N-phenylaniline Chemical compound C(CCCCC(C)C)C=1C(=C(C=CC1)NC1=CC=CC=C1)CCCCCC(C)C WJUMWVJBOZKPPU-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- HNNQYHFROJDYHQ-UHFFFAOYSA-N 3-(4-ethylcyclohexyl)propanoic acid 3-(3-ethylcyclopentyl)propanoic acid Chemical compound CCC1CCC(CCC(O)=O)C1.CCC1CCC(CCC(O)=O)CC1 HNNQYHFROJDYHQ-UHFFFAOYSA-N 0.000 description 1
- DJCISYVIXPWVHY-UHFFFAOYSA-N 5-[(2-sulfanylidene-3h-1,3,4-thiadiazol-5-yl)disulfanyl]-3h-1,3,4-thiadiazole-2-thione Chemical compound S1C(=S)NN=C1SSC1=NNC(=S)S1 DJCISYVIXPWVHY-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- SHBUUTHKGIVMJT-UHFFFAOYSA-N Hydroxystearate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OO SHBUUTHKGIVMJT-UHFFFAOYSA-N 0.000 description 1
- XQVWYOYUZDUNRW-UHFFFAOYSA-N N-Phenyl-1-naphthylamine Chemical compound C=1C=CC2=CC=CC=C2C=1NC1=CC=CC=C1 XQVWYOYUZDUNRW-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 239000007866 anti-wear additive Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- KXICACITTZTNQT-UHFFFAOYSA-J cyclohexanecarboxylate molybdenum(4+) Chemical compound C1(CCCCC1)C(=O)[O-].[Mo+4].C1(CCCCC1)C(=O)[O-].C1(CCCCC1)C(=O)[O-].C1(CCCCC1)C(=O)[O-] KXICACITTZTNQT-UHFFFAOYSA-J 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000010696 ester oil Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229940072106 hydroxystearate Drugs 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 239000003879 lubricant additive Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- ZQKXQUJXLSSJCH-UHFFFAOYSA-N melamine cyanurate Chemical compound NC1=NC(N)=NC(N)=N1.O=C1NC(=O)NC(=O)N1 ZQKXQUJXLSSJCH-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- OXRIHKFHLPFPSJ-UHFFFAOYSA-J molybdenum(4+) tetracarbamate Chemical compound C(N)([O-])=O.[Mo+4].C(N)([O-])=O.C(N)([O-])=O.C(N)([O-])=O OXRIHKFHLPFPSJ-UHFFFAOYSA-J 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-M phenolate Chemical compound [O-]C1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-M 0.000 description 1
- 229940031826 phenolate Drugs 0.000 description 1
- SXADIBFZNXBEGI-UHFFFAOYSA-N phosphoramidous acid Chemical compound NP(O)O SXADIBFZNXBEGI-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000004313 potentiometry Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229960004889 salicylic acid Drugs 0.000 description 1
- WSFQLUVWDKCYSW-UHFFFAOYSA-M sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate Chemical compound [Na+].[O-]S(=O)(=O)CC(O)CN1CCOCC1 WSFQLUVWDKCYSW-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- RYYWUUFWQRZTIU-UHFFFAOYSA-K thiophosphate Chemical compound [O-]P([O-])([O-])=S RYYWUUFWQRZTIU-UHFFFAOYSA-K 0.000 description 1
- IKXFIBBKEARMLL-UHFFFAOYSA-N triphenoxy(sulfanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=S)OC1=CC=CC=C1 IKXFIBBKEARMLL-UHFFFAOYSA-N 0.000 description 1
- WMYJOZQKDZZHAC-UHFFFAOYSA-H trizinc;dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S WMYJOZQKDZZHAC-UHFFFAOYSA-H 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- ZNCAMSISVWKWHL-UHFFFAOYSA-L zinc;butoxy-butylsulfanyl-oxido-sulfanylidene-$l^{5}-phosphane Chemical group [Zn+2].CCCCOP([O-])(=S)SCCCC.CCCCOP([O-])(=S)SCCCC ZNCAMSISVWKWHL-UHFFFAOYSA-L 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
- C10M169/04—Mixtures of base-materials and additives
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- 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
- C10M2207/028—Overbased salts thereof
-
- 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
- C10M2207/26—Overbased carboxylic acid salts
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/26—Overbased carboxylic acid salts
- C10M2207/262—Overbased carboxylic acid salts derived from hydroxy substituted aromatic acids, e.g. salicylates
-
- 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—Overbased sulfonic acid salts
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
本发明涉及润滑脂领域，公开了一种润滑脂组合物及其制备方法。该润滑脂组合物含有基础油、稠化剂、有机钙盐和辅助添加剂，其中，所述有机钙盐的总碱值≥150mg KOH/g；所述辅助添加剂含有重量比为1:0.02‑50:0.02‑50的有机钼、噻二唑衍生物和磷酸酯。所述方法包括：将稠化剂和部分基础油混合并进行加热升温，再与余量基础油混合，降温，之后与有机钙盐和辅助添加剂混合。本发明的润滑脂组合物表现出优异的抗磨耐久性，在四球机法抗磨性能测试中运行8h后，抗磨性能仍为0.4mm左右且摩擦系数小于0.08。The invention relates to the field of lubricating grease, and discloses a lubricating grease composition and a preparation method thereof. The lubricating grease composition contains a base oil, a thickening agent, an organic calcium salt and an auxiliary additive, wherein, the total base number of the organic calcium salt is ≥150 mg KOH/g; the auxiliary additive contains a weight ratio of 1:0.02-50 : 0.02-50 organo-molybdenum, thiadiazole derivatives and phosphate esters. The method includes: mixing the thickening agent and part of the base oil, heating and heating, then mixing with the remaining base oil, cooling down, and then mixing with organic calcium salt and auxiliary additives. The lubricating grease composition of the present invention exhibits excellent anti-wear durability. After running for 8 hours in the four-ball machine anti-wear performance test, the anti-wear performance is still about 0.4 mm and the friction coefficient is less than 0.08.
Description
Technical Field
The invention relates to the field of lubricating grease, and in particular relates to a lubricating grease composition and a preparation method thereof.
Background
With the development of economy, higher demands are made on precision, working efficiency, higher frequency of use, long life characteristics, low maintenance, and the like of mechanical equipment, and therefore, a lubricating material having better wear resistance and durability is required. If the lubrication is poor, abrasion is caused, the precision of mechanical equipment is directly influenced, the equipment is damaged, the service life is shortened, and economic loss is caused.
In order to improve the anti-wear properties of greases, it is often necessary to add anti-wear additives. Such as CN106906030A, adding dibenzyl disulfide (T322), tricresyl phosphate (T306), phosphate (T451), phosphoroamidite boride (T3011) and the like, and the abrasion diameter (392N by four-ball method, 60min) of the lubricating grease is 0.42 mm; CN106497652A, organic molybdenum, thiophosphate and phosphate are added, and the abrasion diameter (392N by a four-ball method, 60min) of the lubricating grease is 0.40 mm; CN106867637A, adding 80-90% of compound lithium-based grease, 3-10% of antiwear lubricant additive, 1-5% of polytetrafluoroethylene, 1-5% of zinc oxide, 2-14% of organic molybdenum and 0.1-3% of dialkyl zinc dithiophosphate (ZDDP), and P of lubricating greaseBA value of 981N; CN101889019A, adding thiadiazole poly (ether) glycol complex, molybdenum dihydrocarbyl dithiophosphate and zinc hydrocarbyl dithiophosphate, wherein the minimum wear diameter (392N by a four-ball method, 60min) of the lubricating grease is 0.44 mm; CN1222594C, adding 0.5-5% molybdenum sulfide dialkyl dithio-carbamic acid, 0.1-5% 5, 5' -dithio-bis (1,3, 4-thiadiazole-2-thiol) and 0.1-5% triphenyl thiophosphate; CN1322104C, adding 1-4 wt% of organic molybdenum, 0.1-5 wt% of sulfur-containing additive and 0.1-5 wt% of phosphorus-containing additive; CN106590846A, adding 0.5-5% of molybdenum carbamate, zinc dithiocarbamate, sulfurized olefin, triphenyl phosphate, polytetrafluoroethylene, tricresyl phosphate, melamine cyanurate and the like.
According to the scheme provided by the above documents, the addition of the additive can improve the wear resistance of the lubricating grease, but the requirement of the wear resistance durability of the lubricating grease cannot be met, and the condition shows that the wear resistance is remarkably reduced after the lubricating grease runs for 8 hours in a four-ball machine method wear resistance test, and the lubricating grease is difficult to maintain at about 0.4 mm.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a lubricating grease composition with good wear resistance, particularly excellent wear resistance durability under a long-time condition (8h) and a preparation method thereof.
In order to achieve the above object, the present invention provides a grease composition comprising a base oil, a thickener, an organic calcium salt and an auxiliary additive, wherein the total base number of the organic calcium salt is not less than 150mg KOH/g; the auxiliary additive contains organic molybdenum, thiadiazole derivatives and phosphate ester in a weight ratio of 1:0.02-50: 0.02-50.
In a second aspect, the present invention provides a method of preparing the grease composition described above, the method comprising: mixing the thickening agent and part of the base oil, heating, mixing with the rest of the base oil, cooling, and mixing with the organic calcium salt and the auxiliary additive.
In a third aspect, the present invention provides a grease composition prepared by the above method.
Through the technical scheme, the lubricating grease composition disclosed by the invention has excellent wear resistance and durability, and after the lubricating grease composition runs for 8 hours in a four-ball machine method wear resistance test, the wear resistance is still about 0.4mm (in terms of four-ball trace diameter) and the friction coefficient is less than 0.08.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
In a first aspect, the lubricating grease composition provided by the invention comprises base oil, a thickening agent, an organic calcium salt and an auxiliary additive, wherein the total base number of the organic calcium salt is more than or equal to 150mg KOH/g; the auxiliary additive contains organic molybdenum, thiadiazole derivatives and phosphate ester in a weight ratio of 1:0.02-50: 0.02-50.
According to the present invention, the object of the present invention can be achieved as long as the auxiliary additive is controlled to contain the organic molybdenum, the thiadiazole derivative and the phosphate in the above-mentioned ratio, but preferably, the weight ratio between the organic molybdenum, the thiadiazole derivative and the phosphate is 1:0.15-6:0.15-6, more preferably 1:0.7-2: 0.7-2.
According to the present invention, the organomolybdenum can be various oil-soluble organomolybdenum compounds commonly used in the art, for example, molybdenum dialkyldithiophosphates, molybdenum dialkyldithiocarbamates, molybdenum amine complexes, molybdenum naphthenate, molybdenum alkylsalicylate, and the like. Preferably, the organo molybdenum is molybdenum dialkyldithiocarbamate (MoDTC) and/or molybdenum dialkyldithiophosphate (MoDTP). The number of carbon atoms of the alkyl group or cycloalkyl group in the above-mentioned organic molybdenum may be 1 to 6, for example, the alkyl group in the organic molybdenum may be methyl, ethyl, propyl, etc., and the molybdenum naphthenate may be molybdenum cyclohexanecarboxylate, etc.
According to the invention, the thiadiazole derivative is various common substances taking thiadiazole as a parent structure, in particular to substances in which sulfhydryl hydrogen on the thiadiazole is substituted (such as substituted by a group with 5-12 carbon atoms), and the thiadiazole derivative is 2, 5-di (tert-dodecyl dithio) -1,3, 4-thiadiazole and/or 2, 5-di (tert-octyl dithio) -1,3, 4-thiadiazole.
According to the invention, the phosphate comprises orthophosphoric acid ester and/or phosphorous acid ester, which means phosphoric acid and/or phosphorous acid ester derivatives, preferably, the phosphate is at least one of di-n-butyl phosphite, triphenyl phosphate and tricresyl phosphate.
According to the present invention, the content of the auxiliary additive may be conventionally selected, and preferably, the content of the auxiliary additive is 0.3 to 15 wt%, more preferably 0.9 to 5.5 wt%, based on the total weight of the grease composition.
According to the present invention, there is no particular requirement for the content of the organic calcium salt, preferably the content of the organic calcium salt is 0.1 to 5 wt.%, more preferably 1.5 to 4.5 wt.%, based on the total weight of the grease composition.
According to the invention, the organic calcium salt may be a calcium salt of a common organic acid and/or a calcium phenate, as long as the total base number thereof satisfies the above requirements. According to a preferred embodiment of the present invention, the total base number of the organic calcium salt is in the range of 150-500 mgKOH/g. In the present invention, the test criteria for "total base number" are: SH/T0251, "method of measuring the base number of Petroleum products (Perchloric acid potentiometry"), indicates the amount of perchloric acid required to neutralize all of the basic components in a 1g sample (organic calcium salt), expressed in milligrams of equivalent potassium hydroxide.
Among them, the calcium salt of the organic acid may be a substance in which carboxyl hydrogen in the organic acid is substituted with calcium, for example, the organic acid may be at least one of petroleum sulfonic acid, naphthenic acid, and salicylic acid; the calcium phenate may be a substance in which hydroxy hydrogen in phenol is substituted with calcium, and for example, the phenol may be alkylphenol. Preferably, the organic calcium salt is at least one of calcium petroleum sulfonate (such as TBN150, TBN400), calcium alkyl phenolate (such as TBN200), calcium naphthenate (such as TBN250) and calcium salicylate (such as TBN 300).
According to the present invention, the content and kind of the base oil are not particularly limited, but preferably, the content of the base oil is 82 to 95 wt%, more preferably 83 to 93 wt%, based on the total weight of the grease composition.
According to the present invention, the base oil may be various base oils used in greases, such as mineral oils, synthetic oils (olefin oils and/or ester oils), vegetable oils, or mixtures thereof. Preferably, the base oil has a kinematic viscosity of 4 to 100mm at 100 ℃2(ii) fats and oils in s. In the present invention, "kinematic viscosity" is measured with reference to GB/T265-1988.
According to the present invention, the content of the thickener is also not particularly limited, but preferably, the content of the thickener is 3 to 10% by weight based on the total weight of the grease composition.
According to the invention, the thickener can be a metal soap conventionally used in the art, such as a lithium soap and/or a sodium soap, preferably the thickener is a lithium soap, in particular a lithium 12-hydroxystearate soap.
According to the invention, the lubricating grease composition can also contain an antirust agent, an oiliness agent, an antioxidant and other auxiliary agents, wherein the antioxidant can further improve the oxidation resistance of the lubricating grease composition so as to prolong the service life of the lubricating grease composition, and can be an aromatic amine antioxidant, such as at least one of diphenylamine, phenyl- α -naphthylamine and diisooctyldiphenylamine, and the content of the antioxidant can be 0.01-5 wt% based on the total weight of the lubricating grease composition.
The oiliness agent can further improve the lubricating property of the friction pair surface, and can be higher fatty acid (such as oleic acid and stearic acid), higher alcohol (such as stearyl alcohol), alkylamine (such as phenyltriazolyl stearyl amine) and the like. The content of the oiliness agent may be 0.01 to 4.5% by weight based on the total weight of the grease composition.
The antirust agent can further improve the rust resistance of the lubricating grease composition and can be at least one of barium petroleum sulfonate, sodium petroleum sulfonate, benzothiazole, benzotriazole, zinc naphthenate and alkenyl succinic acid. The rust inhibitor may be contained in an amount of 0.01 to 4.5% by weight, based on the total weight of the grease composition.
In a second aspect, the present invention provides a method of preparing the grease composition comprising: mixing the thickening agent and part of the base oil, heating, mixing with the rest of the base oil, cooling, and mixing with the organic calcium salt and the auxiliary additive.
More specifically, the method comprises: mixing the thickening agent and the first part of base oil, heating to 200-210 ℃, mixing with the rest base oil, cooling to 100-110 ℃, and mixing with the organic acid calcium and auxiliary additives (and optional additives such as antirust agent, oiliness agent and antioxidant). Generally, the mixture finally obtained should also be subjected to a grinding treatment to make the material dispersion more uniform.
In a third aspect, the present invention provides a grease composition prepared by the above method.
The present invention will be described in detail below by way of examples, but the present invention is not limited thereto. In the following examples and comparative examples, the thickener used was lithium 12-hydroxystearate soap prepared by the method: adding 12-hydroxystearic acid into water, heating to melt the 12-hydroxystearic acid, gradually adding an aqueous solution of lithium hydroxide, stirring to fully react, controlling the molar ratio of the 12-hydroxystearic acid to the lithium hydroxide to be 1:1, and drying the reactant to remove water to obtain the 12-lithium hydroxystearate soap; other raw material manufacturers and codes used are shown in table 1 below.
TABLE 1
Examples 1 to 12 and comparative examples 1 to 14
According to the mixture ratio (weight ratio of the grease composition) shown in tables 2-4, 1/3 base oil and thickening agent are added into a reaction kettle, heating is carried out, 1/3 base oil is gradually added, the temperature is increased to 205 ℃, the rest base oil is added, the material is cooled, when the temperature is reduced to 105 ℃, organic calcium salt and auxiliary additive are gradually added, and the material is ground by three-wheel mill to uniformly disperse the material, so that a grease composition sample is prepared.
The physical and chemical properties of the grease composition samples were analyzed as follows:
penetration (0.1mm, 60 times): GB/T269-1991, the smaller the cone penetration is in 60 times of work, which indicates that the thickening capacity is stronger;
dropping point: GB/T3498-2008, the higher the dropping point, the better the high temperature performance;
abrasion resistance: SH/T0204 & ltmethod for measuring anti-wear performance of lubricating grease (four-ball method), wherein the setting condition of a four-ball tester is load 392N, and the diameters (mm) of four ball traces are measured at the running time of 1h and 8h respectively;
coefficient of friction (μ): the friction torque is determined by means of a four-ball test machine and is in accordance with
The friction coefficient was calculated by the formula (1) in which T is the friction torque, P is the axial test force (392N), and R is the radius of the steel ball (6.35 mm).
The results are shown in tables 2-4.
TABLE 2
TABLE 3
TABLE 4
Comparative example 15
Grease compositions were prepared according to the method of example 1 except that the organomolybdenum was replaced with zinc dithiocarbamate (Vanlube AZ, available from Vanderbilt) and the results of physical and chemical property analyses are shown in Table 5.
Comparative example 16
Grease compositions were prepared according to the method of example 1, except that the thiadiazole derivative was replaced with dibenzyl disulfide, and the results of physical and chemical property analyses are shown in table 5.
Comparative example 17
A grease composition was prepared in the same manner as in example 1, except that the phosphate ester was replaced with zinc dibutyldithiophosphate and the results of physical and chemical property analyses are shown in Table 5.
Comparative example 18
Grease compositions were prepared according to the method of example 4 except that the organic calcium salt was replaced with barium petroleum sulfonate (available from Nanjing Runkou chemical), and the results of physical and chemical property analysis are shown in Table 5.
TABLE 5
As can be seen from the above examples and comparative examples, the present invention significantly improves the anti-wear durability of the grease composition by compounding specific kinds of ingredients in specific proportions. In particular, in comparative example 3, the additive of example 8 in CN1322104C was replaced with the additive of example 8, and it is apparent that the antiwear performance of 8h is far inferior to that of examples 1 to 12, indicating that the antiwear durability can be effectively improved only by combining the respective components in the present application.
Further experiments have shown that the grease composition of the present invention exhibits superior anti-wear durability compared to prior grease compositions (such as the respective greases mentioned in the background of the invention), enabling the four-ball trace diameter to be maintained around 0.4mm even when run for 8h in the anti-wear performance test.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (12)
1. A lubricating grease composition is characterized by comprising base oil, a thickening agent, an organic calcium salt and an auxiliary additive, wherein the total base number of the organic calcium salt is more than or equal to 150mg KOH/g; the auxiliary additive contains organic molybdenum, thiadiazole derivatives and phosphate ester in a weight ratio of 1:0.02-50: 0.02-50.
2. Grease composition according to claim 1, wherein the weight ratio between the organomolybdenum, the thiadiazole derivative and the phosphate ester is 1:0.15-6: 0.15-6.
3. Grease composition according to claim 1, wherein the weight ratio between the organomolybdenum, the thiadiazole derivative and the phosphate ester is 1:0.7-2: 0.7-2.
4. A grease composition according to any one of claims 1-3, wherein the organomolybdenum is molybdenum dialkyldithiocarbamate and/or molybdenum dialkyldithiophosphate;
and/or the thiadiazole derivative is 2, 5-di (tert-dodecyl-dithio) -1,3, 4-thiadiazole and/or 2, 5-di (tert-octyl-dithio) -1,3, 4-thiadiazole;
and/or the phosphate ester is at least one of di-n-butyl phosphite, triphenyl phosphate and tricresyl phosphate.
5. Grease composition according to any one of claims 1-3, wherein the auxiliary additive is present in an amount of 0.3-15 wt.%, preferably 0.9-5.5 wt.%, based on the total weight of the grease composition.
6. Grease composition according to any one of claims 1-3, wherein the organic calcium salt is present in an amount of 0.1-5 wt.%, preferably 1.5-4.5 wt.%, based on the total weight of the grease composition.
7. Grease composition according to claim 1 or 6, wherein the organic calcium salt is at least one of calcium petroleum sulfonate, calcium alkyl phenate, calcium naphthenate and calcium salicylate.
8. Grease composition according to claim 1, wherein the base oil is present in an amount of 82-95 wt.%, based on the total weight of the grease composition; the content of the thickening agent is 3-10 wt%.
9. A grease composition according to claim 1 or 8, wherein the base oil has a kinematic viscosity at 100 ℃ of 4-100mm2/s。
10. Grease composition according to claim 1 or 8, wherein the thickener is a lithium soap.
11. A method of preparing a grease composition according to any one of claims 1-10, characterized in that the method comprises: mixing the thickening agent and part of the base oil, heating, mixing with the rest of the base oil, cooling, and mixing with the organic calcium salt and the auxiliary additive.
12. A grease composition made by the method of claim 11.
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| WO2023214505A1 (en) * | 2022-05-06 | 2023-11-09 | 出光興産株式会社 | Lubricating oil composition, lubrication method, and transmission |
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