BR112016008754B1 - USE OF CALCIUM SALICYLATE - Google Patents
USE OF CALCIUM SALICYLATE Download PDFInfo
- Publication number
- BR112016008754B1 BR112016008754B1 BR112016008754-2A BR112016008754A BR112016008754B1 BR 112016008754 B1 BR112016008754 B1 BR 112016008754B1 BR 112016008754 A BR112016008754 A BR 112016008754A BR 112016008754 B1 BR112016008754 B1 BR 112016008754B1
- Authority
- BR
- Brazil
- Prior art keywords
- grease composition
- roll stability
- lithium
- calcium
- calcium salicylate
- Prior art date
Links
- 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 title claims abstract description 18
- 239000000203 mixture Substances 0.000 claims abstract description 38
- 239000004519 grease Substances 0.000 claims abstract description 36
- 239000002199 base oil Substances 0.000 claims abstract description 26
- -1 calcium fatty acid salt Chemical class 0.000 claims abstract description 18
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 13
- 239000000194 fatty acid Substances 0.000 claims abstract description 13
- 229930195729 fatty acid Natural products 0.000 claims abstract description 13
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 11
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011575 calcium Substances 0.000 claims abstract description 7
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 7
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
- FPLIHVCWSXLMPX-UHFFFAOYSA-M lithium 12-hydroxystearate Chemical group [Li+].CCCCCCC(O)CCCCCCCCCCC([O-])=O FPLIHVCWSXLMPX-UHFFFAOYSA-M 0.000 claims description 2
- 238000000034 method Methods 0.000 description 8
- 230000035515 penetration Effects 0.000 description 7
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000000654 additive Substances 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000002480 mineral oil Substances 0.000 description 5
- 238000007670 refining Methods 0.000 description 5
- 238000013112 stability test Methods 0.000 description 5
- 239000002562 thickening agent Substances 0.000 description 5
- 230000000996 additive effect Effects 0.000 description 4
- 150000001336 alkenes Chemical class 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 4
- 229920000098 polyolefin Polymers 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004018 waxing Methods 0.000 description 4
- XYRMLECORMNZEY-UHFFFAOYSA-B [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S Chemical class [Mo+4].[Mo+4].[Mo+4].[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S.[O-]P([O-])([S-])=S XYRMLECORMNZEY-UHFFFAOYSA-B 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 150000004665 fatty acids Chemical class 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- NLZUEZXRPGMBCV-UHFFFAOYSA-N Butylhydroxytoluene Chemical compound CC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 NLZUEZXRPGMBCV-UHFFFAOYSA-N 0.000 description 2
- 239000005069 Extreme pressure additive Substances 0.000 description 2
- 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 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 239000010775 animal oil Substances 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000006078 metal deactivator Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 229920013639 polyalphaolefin Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- JNYAEWCLZODPBN-JGWLITMVSA-N (2r,3r,4s)-2-[(1r)-1,2-dihydroxyethyl]oxolane-3,4-diol Chemical class OC[C@@H](O)[C@H]1OC[C@H](O)[C@H]1O JNYAEWCLZODPBN-JGWLITMVSA-N 0.000 description 1
- ULQISTXYYBZJSJ-UHFFFAOYSA-N 12-hydroxyoctadecanoic acid Chemical compound CCCCCCC(O)CCCCCCCCCCC(O)=O ULQISTXYYBZJSJ-UHFFFAOYSA-N 0.000 description 1
- 229940114069 12-hydroxystearate Drugs 0.000 description 1
- HYZJCKYKOHLVJF-UHFFFAOYSA-N 1H-benzimidazole Chemical compound C1=CC=C2NC=NC2=C1 HYZJCKYKOHLVJF-UHFFFAOYSA-N 0.000 description 1
- RURPJGZXBHYNEM-UHFFFAOYSA-N 2-[2-[(2-hydroxyphenyl)methylideneamino]propyliminomethyl]phenol Chemical compound C=1C=CC=C(O)C=1C=NC(C)CN=CC1=CC=CC=C1O RURPJGZXBHYNEM-UHFFFAOYSA-N 0.000 description 1
- 229910052582 BN Inorganic materials 0.000 description 1
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- QAPVYZRWKDXNDK-UHFFFAOYSA-N P,P-Dioctyldiphenylamine Chemical compound C1=CC(CCCCCCCC)=CC=C1NC1=CC=C(CCCCCCCC)C=C1 QAPVYZRWKDXNDK-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 235000019484 Rapeseed oil Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 239000007866 anti-wear additive Substances 0.000 description 1
- 125000003118 aryl group Chemical group 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
- 230000005540 biological transmission Effects 0.000 description 1
- SAOKZLXYCUGLFA-UHFFFAOYSA-N bis(2-ethylhexyl) adipate Chemical compound CCCCC(CC)COC(=O)CCCCC(=O)OCC(CC)CCCC SAOKZLXYCUGLFA-UHFFFAOYSA-N 0.000 description 1
- 159000000007 calcium salts Chemical class 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- VJHINFRRDQUWOJ-UHFFFAOYSA-N dioctyl sebacate Chemical compound CCCCC(CC)COC(=O)CCCCCCCCC(=O)OCC(CC)CCCC VJHINFRRDQUWOJ-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 150000004659 dithiocarbamates Chemical class 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process 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
- QLOAVXSYZAJECW-UHFFFAOYSA-N methane;molecular fluorine Chemical compound C.FF QLOAVXSYZAJECW-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- YCWSUKQGVSGXJO-NTUHNPAUSA-N nifuroxazide Chemical group C1=CC(O)=CC=C1C(=O)N\N=C\C1=CC=C([N+]([O-])=O)O1 YCWSUKQGVSGXJO-NTUHNPAUSA-N 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical class OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 150000002990 phenothiazines Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- DOIRQSBPFJWKBE-UHFFFAOYSA-N phthalic acid di-n-butyl ester Natural products CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 229920013636 polyphenyl ether polymer Polymers 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003900 succinic acid esters Chemical class 0.000 description 1
- 150000003459 sulfonic acid esters Chemical class 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- VLLMWSRANPNYQX-UHFFFAOYSA-N thiadiazole Chemical compound C1=CSN=N1.C1=CSN=N1 VLLMWSRANPNYQX-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical class C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000004711 α-olefin Substances 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
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; Salts thereof
- C10M129/48—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring
- C10M129/54—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M129/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen
- C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
- C10M129/26—Carboxylic acids; 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
- 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
-
- 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
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/126—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids monocarboxylic
-
- 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
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/12—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2207/125—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids
- C10M2207/128—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having hydrocarbon chains of eight up to twenty-nine carbon atoms, i.e. fatty acids containing hydroxy groups; Ethers 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
- C10M2207/10—Carboxylix acids; Neutral salts thereof
- C10M2207/14—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/144—Carboxylix acids; Neutral salts thereof having carboxyl groups bound to carbon atoms of six-membered aromatic rings containing hydroxy groups
-
- 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
-
- 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
- C10N2050/00—Form in which the lubricant is applied to the material being lubricated
- C10N2050/10—Semi-solids; greasy
Abstract
uso de salicilato de cálcio, e, composição de graxa. é descrita uma composição de graxa que compreende um óleo de base e um sal de ácido graxo de lítio e/ou de cálcio e tendo estabilidade em rolo melhorada.use of calcium salicylate, and, grease composition. A grease composition comprising a base oil and a lithium and/or calcium fatty acid salt and having improved roll stability is described.
Description
[001] Esta invenção refere-se a uma composição de graxa tendoestabilidade de c melhorada.[001] This invention relates to a grease composition having improved c stability.
[002] Em uso, graxas são submetidas a cisalhamento mecânico quepode conduzir a alterações na dimensão e na dispersão de partículas espessantes e degradação resultante da graxa. A estabilidade em rolo é uma medida da estabilidade de uma graxa quando submetida à agitação mecânica. No teste de estabilidade em rolo, de acordo com a norma ASTM D 1831, a graxa é colocada em um cilindro contendo um rolo de aço e o cilindro é girado. A penetração da graxa é medida antes e após o teste, e a diferença nos valores de penetração indica a estabilidade em rolo.[002] In use, greases are subjected to mechanical shear that can lead to changes in the size and dispersion of thickening particles and resulting degradation of the grease. Roll stability is a measure of the stability of a grease when subjected to mechanical agitation. In the roll stability test, in accordance with ASTM D 1831, the grease is placed in a cylinder containing a steel roll and the cylinder is rotated. Grease penetration is measured before and after testing, and the difference in penetration values indicates roll stability.
[003] Tem sido procurado proporcionar composições de graxa tendoestabilidade em rolo melhorada.[003] It has been sought to provide grease compositions having improved roll stability.
[004] Verificou-se surpreendentemente que a adição de salicilato decálcio a composições de graxa pode melhorar a estabilidade em rolo. Assim, a presente invenção proporciona o uso do salicilato de cálcio para melhorar a estabilidade em rolo em uma composição de graxa compreendendo um óleo de base e um sal de ácido graxo de lítio e/ou cálcio.[004] It has surprisingly been found that the addition of decalcium salicylate to grease compositions can improve roll stability. Thus, the present invention provides the use of calcium salicylate to improve roll stability in a grease composition comprising a base oil and a fatty acid salt of lithium and/or calcium.
[005] Em um aspecto adicional a presente invenção proporciona umacomposição de graxa compreendendo um óleo de base, um sal de ácido graxo de lítio e/ou de cálcio e de 0,3 a 0.6% em peso de salicilato de cálcio, em que a percentagem em peso é com base no peso da composição de graxa.[005] In a further aspect the present invention provides a grease composition comprising a base oil, a fatty acid salt of lithium and/or calcium and from 0.3 to 0.6% by weight of calcium salicylate, wherein the weight percentage is based on the weight of the grease composition.
[006] A presente invenção proporciona o uso do salicilato de cálciopara melhorar a estabilidade em rolo em uma composição de graxa. Um método para medir a estabilidade em rolo é definido na norma ASTM D 1831. A duração da rotação do cilindro pode ser variada, mas é, de preferência, de 1 a 200 horas, mais preferivelmente de 10 a 50 horas, e mais preferencialmente é de 18 horas. A temperatura durante a rotação do cilindro pode ser variada, por exemplo, da temperatura ambiente para 100°C, mas é de preferência de 65°C. Adequadamente, a água é misturada com a graxa antes de a estabilidade em rolo ser medida, por exemplo, 10% em peso de água com base no peso da composição de graxa. A estabilidade em rolo é determinada pela diferença na penetração antes e depois do teste de estabilidade em rolo. A penetração é adequadamente medida pelo método definido na norma ASTM D 1403 e é tipicamente relacionada em 0,1 mm. Uma pequena diferença na penetração (particularmente abaixo de 100 0,1 mm) é indicativa de uma boa estabilidade em rolo, enquanto que uma grande diferença na penetração (particularmente acima de 100 0,1 mm) é indicativa de estabilidade em rolo pobre.[006] The present invention provides the use of calcium salicylate to improve roll stability in a grease composition. A method for measuring roll stability is defined in ASTM D 1831. The duration of cylinder rotation can be varied, but is preferably from 1 to 200 hours, more preferably from 10 to 50 hours, and most preferably is 18 hours. The temperature during rotation of the cylinder can be varied, for example, from ambient temperature to 100°C, but is preferably 65°C. Suitably the water is mixed with the grease before the roll stability is measured, for example 10% by weight water based on the weight of the grease composition. Roll stability is determined by the difference in penetration before and after the roll stability test. Penetration is suitably measured by the method defined in ASTM D 1403 and is typically listed as 0.1 mm. A small difference in penetration (particularly below 100 0.1 mm) is indicative of good roll stability, while a large difference in penetration (particularly above 100 0.1 mm) is indicative of poor roll stability.
[007] Na presente invenção, o salicilato de cálcio é incorporadonuma composição de graxa para melhorar a estabilidade em rolo. Isto significa que a estabilidade em rolo da composição de graxa é melhor do que a estabilidade em rolo de uma composição de graxa de outro modo idêntica que não contém salicilato de cálcio (ou seja, a diferença de penetração é menor para a composição de graxa do que para uma composição de graxa de outro modo idêntica que não contém salicilato de cálcio).[007] In the present invention, calcium salicylate is incorporated into a grease composition to improve roll stability. This means that the roll stability of the grease composition is better than the roll stability of an otherwise identical grease composition that does not contain calcium salicylate (i.e. the penetration difference is smaller for the grease composition of the than for an otherwise identical grease composition that does not contain calcium salicylate).
[008] A quantidade de salicilato de cálcio que é adequadamenteincorporada na composição de graxa para melhorar a estabilidade em rolo é apropriadamente de 0,3 a 0.6 % em peso com base no peso da composição de graxa. Verificou-se que o uso de menos que 0,3% % em peso de salicilato de cálcio não dá a desejada melhora na estabilidade em rolo e usando mais de 0.6% em peso não fornece nenhuma melhora.[008] The amount of calcium salicylate that is suitably incorporated into the grease composition to improve roll stability is suitably from 0.3 to 0.6 % by weight based on the weight of the grease composition. It has been found that using less than 0.3% wt% calcium salicylate does not give the desired improvement in roll stability and using greater than 0.6% wt does not provide any improvement.
[009] O salicilato de cálcio é adequadamente salicilato de cálciosupersbasificado.[009] Calcium salicylate is suitably superbasified calcium salicylate.
[0010] O óleo de base na composição de graxa é uma que pode ordinariamente ser usado como o óleo de base de uma composição graxa e não existem restrições especiais. O óleo de base é adequadamente selecionado de óleos minerais, óleos sintéticos, óleos animais e vegetais, e misturas dos mesmos.[0010] The base oil in the grease composition is one that can ordinarily be used as the base oil in a grease composition and there are no special restrictions. The base oil is suitably selected from mineral oils, synthetic oils, animal and vegetable oils, and mixtures thereof.
[0011] Em particular, é possível usar, isoladamente ou como misturas, óleos de base que pertencem categorias de óleo de base do grupo I, grupo II, grupo III, o grupo IV e assim por diante do API (American Petroleum Institute).[0011] In particular, it is possible to use, alone or as mixtures, base oils that belong to the base oil categories of group I, group II, group III, group IV and so on from API (American Petroleum Institute).
[0012] Os óleos de base do grupo I incluem, por exemplo, óleos minerais parafínicos obtidos por uma combinação adequada de processos de refino, tais como refino com solvente, hidro-refino, e remoção de cera em relação a frações de óleo lubrificante obtidas da destilação atmosférica do óleo bruto.[0012] Group I base oils include, for example, paraffinic mineral oils obtained by a suitable combination of refining processes such as solvent refining, hydro-refining, and de-waxing with respect to lubricating oil fractions obtained of atmospheric distillation of crude oil.
[0013] Os óleos de base do Grupo II incluem, por exemplo, óleos minerais parafínicos por uma combinação adequada de processos de refino, tais como hidro-refino e remoção de cera em relação a frações de óleo lubrificante obtidas por destilação atmosférica de óleo bruto.[0013] Group II base oils include, for example, paraffinic mineral oils by a suitable combination of refining processes such as hydro-refining and waxing with respect to lubricating oil fractions obtained by atmospheric distillation of crude oil .
[0014] Os óleos de base do Grupo III e os óleos de base do grupo II+ incluem óleos minerais parafínicos fabricados por um elevado grau de hidro- refino em relação a frações de óleos lubrificantes obtidas por destilação atmosférica do óleo bruto, os óleos de base refinados pelo processo de iso- remoção de cera que remove cera e substitui a cera produzida pelo processo de remoção de cera com isoparafinas, e óleos de base refinados pelo processo de isomerização de cera Mobil.[0014] Group III base oils and group II+ base oils include paraffinic mineral oils manufactured by a high degree of hydrorefining relative to lubricating oil fractions obtained by atmospheric distillation of crude oil, base oils refined by the iso-waxing process which removes wax and replaces the wax produced by the de-waxing process with isoparaffins, and base oils refined by the Mobil wax isomerization process.
[0015] Os exemplos de óleos sintéticos incluem poliolefinas, polioxialquileno glicóis, tais como polietileno glicol ou polipropileno glicol, ésteres tais como sebacato de di-2-etil-hexila ou adipato de di-2-etilhexila, poliol ésteres, tais como ésteres de trimetilolpropano ou pentaeritritol ésteres, fluoroalquil éteres, óleos de silicone e polifenil éteres.[0015] Examples of synthetic oils include polyolefins, polyoxyalkylene glycols such as polyethylene glycol or polypropylene glycol, esters such as di-2-ethylhexyl sebacate or di-2-ethylhexyl adipate, polyol esters such as esters of trimethylolpropane or pentaerythritol esters, fluoroalkyl ethers, silicone oils and polyphenyl ethers.
[0016] Poliolefinas incluem polímeros de várias olefinas ou hidretos dos mesmos. Qualquer olefina pode ser usado, e como exemplos mencionam podem ser feitos de etileno, propileno, buteno e α-olefinas com cinco ou mais carbonos. Na fabricação de poliolefinas, olefinas podem ser usadas isoladamente ou dois ou mais tipos podem ser usados em combinação. Particularmente adequadas são poliolefinas chamadas poli-α-olefinas (PAO). Estes são óleos de base do grupo IV.[0016] Polyolefins include polymers of various olefins or hydrides thereof. Any olefin can be used, and as examples they mention can be made from ethylene, propylene, butene and α-olefins with five or more carbons. In making polyolefins, olefins can be used singly or two or more types can be used in combination. Particularly suitable are polyolefins called poly-α-olefins (PAO). These are group IV base oils.
[0017] Os óleos de base de GTL (gás para líquido) sintetizado pelo método de Fischer-Tropsch de conversão de gás natural para combustível líquido tem um teor de enxofre muito baixo e teor de aromático em comparação com óleos de base de óleo mineral refinados de óleo bruto e têm uma relação de constituinte de teor muito alto de parafina, e por isso têm uma excelente estabilidade oxidativa.[0017] GTL (gas to liquid) base oils synthesized by the Fischer-Tropsch method of converting natural gas to liquid fuel has a very low sulfur content and aromatic content compared to refined mineral oil base oils of crude oil and have a very high constituent ratio of paraffin content, and therefore have excellent oxidative stability.
[0018] Como menção de exemplos típicos de óleos animais e vegetais pode ser de óleo de rícino e óleo de colza.[0018] As a mention of typical examples of animal and vegetable oils may be castor oil and rapeseed oil.
[0019] Os vários óleos de base podem ser usados unicamente ou em misturas.[0019] The various base oils can be used alone or in mixtures.
[0020] O espessante na composição de graxa é um sal de ácido graxo de lítio e/ou cálcio. O ácido graxo é, adequadamente, um ácido graxo C13-C21. Adequadamente, o espessante é um sal de ácido graxo de lítio e, de preferência, o espessante é lítio-12-hidroxiestearato. A composição de graxa compreende, adequadamente, de 2 a 20% em peso de sal de ácido graxo de lítio e/ou de cálcio, com base no peso da composição de graxa.[0020] The thickener in the grease composition is a fatty acid salt of lithium and/or calcium. The fatty acid is suitably a C13-C21 fatty acid. Suitably the thickener is a lithium fatty acid salt and preferably the thickener is lithium-12-hydroxystearate. The grease composition suitably comprises from 2 to 20% by weight of the fatty acid lithium and/or calcium salt, based on the weight of the grease composition.
[0021] A composição de graxa da presente invenção pode também compreender antioxidantes, preventivos de ferrugem, agentes de oleosidade, aditivos de pressão extrema, agentes antidesgaste, lubrificantes sólidos, desativadores de metais, polímeros e outros aditivos.[0021] The grease composition of the present invention may also comprise antioxidants, rust preventives, greasers, extreme pressure additives, antiwear agents, solid lubricants, metal deactivators, polymers and other additives.
[0022] Os antioxidantes incluem, por exemplo, 2,6-di-t-butil-4- metilfenol, 2,6-di-t-butil-paracresol, P,P’-dioctildifenilamina, N-fenil-α- naftilamina e fenotiazinas.Antioxidants include, for example, 2,6-di-t-butyl-4-methylphenol, 2,6-di-t-butyl-paracresol, P,P'-dioctyldiphenylamine, N-phenyl-α-naphthylamine and phenothiazines.
[0023] Os preventivos de ferrugem incluem óxido de parafina, os sais de metal de ácidos carboxílicos, sais de metal de ácidos sulfônicos, ésteres de ácido carboxílico, ésteres de ácido sulfônico, ésteres de ácido succínico, ésteres de sorbitano e diversos sais de amina. Os agentes de oleosidade, aditivos de pressão extrema e antidesgaste incluem, por exemplo, zinco dialquil ditiofosfatos sulfurados, zinco diaril ditiofosfatos sulfurizados , zinco dialquil ditiocarbamatos sulfurizados, zinco diaril ditiocarbamatos sulfurizados, molibdênio dialquil ditiofosfatos sulfurizados, molibdênio diaril ditiofosfatos sulfurizados, molibdênio dialquil ditiocarbamatos sulfurizados, molibdênio diaril ditiocarbamatos sulfurizados, complexos de molibdênio orgânicos, olefinas sulfurizadas, trifenilfosfatos, trifenilfosforotionatos, tricresilfosfatos, outros ésteres de fosfato e gorduras e óleos sulfurizados.[0023] Rust preventers include paraffin oxide, metal salts of carboxylic acids, metal salts of sulfonic acids, carboxylic acid esters, sulfonic acid esters, succinic acid esters, sorbitan esters, and various amine salts . Oily agents, extreme pressure additives, and anti-wear additives include, for example, sulfurized zinc dialkyl dithiophosphates, sulfurized diaryl zinc dithiophosphates, sulfurized zinc dialkyl dithiocarbamates, sulfurized diaryl zinc dithiocarbamates, sulfurized dialkyl molybdenum dithiophosphates, sulfurized diaryl dithiophosphates, sulfurized molybdenum dithiophosphates, sulfurized molybdenum dithiophosphates , sulfurized diaryl molybdenum dithiocarbamates, organic molybdenum complexes, sulfurized olefins, triphenylphosphates, triphenylphosphorothionates, tricresylphosphates, other phosphate esters and sulfurized fats and oils.
[0024] Os lubrificantes sólidos incluem, por exemplo, dissulfeto de molibdênio, grafita, o nitreto de boro, cianurato de melamina, PTFE (politetrafluoroetileno), dissulfeto de tungstênio, mica, fluoreto de grafita e assim por diante.[0024] Solid lubricants include, for example, molybdenum disulfide, graphite, boron nitride, melamine cyanurate, PTFE (polytetrafluoroethylene), tungsten disulfide, mica, graphite fluoride and so on.
[0025] Os desativadores de metal incluem, por exemplo, N,N’- disalicilideno-1,2-diaminopropano, benzotriazol, benzimidazol, benzotiazol e tiadiazol.[0025] Metal deactivators include, for example, N,N'-disalicylidene-1,2-diaminopropane, benzotriazole, benzimidazole, benzothiazole and thiadiazole.
[0026] As composições de graxa podem ser fabricadas usando vias de fabricação de graxa padrão. De preferência, o salicilato de cálcio é o primeiro aditivo adicionado à combinação reagida de espessante e óleo de base.[0026] Grease compositions can be manufactured using standard grease manufacturing pathways. Preferably, calcium salicylate is the first additive added to the reacted combination of thickener and base oil.
[0027] As composições de graxa da invenção podem ser usadas para lubrificação industrial geral, incluindo o uso em rolamentos de serviço pesado. Eles também podem ser usados em elementos de rolamento e planos de serviços pesado que operam sob condições severas, incluindo o carregamento de choque em ambientes úmidos. Além disso, podem ser usados em aplicações automotivas, como mancais de roda (cônicos e rolamento), pontos de chassi, direção universal, juntas de suspensão e transmissão, mancais de geração e bomba de água, e manilhas e articulações.[0027] The grease compositions of the invention can be used for general industrial lubrication, including use in heavy duty bearings. They can also be used on heavy duty flats and rolling elements that operate under severe conditions, including shock loading in wet environments. Furthermore, they can be used in automotive applications such as wheel bearings (tapered and bearing), chassis points, universal steering, suspension and transmission joints, water pump and generation bearings, and shackles and joints.
[0028] A invenção é ainda explicada em detalhes abaixo por meio de exemplos e exemplos comparativos, mas a invenção não está de modo algum limitada por estes exemplos.[0028] The invention is further explained in detail below by way of examples and comparative examples, but the invention is in no way limited by these examples.
[0029] As graxas foram preparadas por combinação de 12- hidroxiestearato de óleo de base em uma caldeira e o aquecimento a 90°C (taxa de aquecimento de 3°C/min) enquanto agita a 150 rpm. Uma mistura de óleo de base, a água e o hidróxido de lítio foram preparados e foram aquecidos a 60°C com agitação. A mistura de hidróxido de lítio foi adicionada à caldeira a 90°C e a caldeira foi fechada. A caldeira foi então aquecida a 200°C (taxa de aquecimento de 3°C/min) e a mistura foi agitada a 200 rpm. Quando a temperatura atingiu 200°C, a caldeira foi ventilada e a taxa de agitação foi reduzida a 100 rpm. Após a ventilação, a caldeira foi aquecida a 215°C (taxa de aquecimento de 4°C/min) e a mistura foi agitada a 150 rpm. A mistura foi então resfriada a 160°C (taxa de aquecimento de 3°C/min) ao agitar a 200 rpm. A 160°C, adicionalmente o óleo de base pré-aquecido foi adicionado por bomba, e, em seguida, a caldeira foi agitada a 150 rpm por 15 minutos. A caldeira foi resfriada a 100°C (taxa de aquecimento de 5°C/min) com agitação a 100 rpm. Após resfriamento, adicionou-se o salicilato de cálcio e, em seguida, um pacote de aditivos foi adicionado depois de 10 minutos de agitação. Além disso, o óleo de base foi adicionado, seguido por agitação a 150 rpm. O produto foi misturado e desaerado por 20 minutos, filtrado, homogeneizado e desaerado.As formulações das composições de graxa são mostradas na Tabela 1: The greases were prepared by combining 12-hydroxystearate base oil in a boiler and heating to 90°C (3°C/min heating rate) while stirring at 150 rpm. A mixture of base oil, water and lithium hydroxide was prepared and heated to 60°C with stirring. The lithium hydroxide mixture was added to the kettle at 90°C and the kettle was closed. The boiler was then heated to 200°C (3°C/min heating rate) and the mixture stirred at 200 rpm. When the temperature reached 200°C, the boiler was vented and the agitation rate was reduced to 100 rpm. After venting, the boiler was heated to 215°C (heating rate 4°C/min) and the mixture was stirred at 150 rpm. The mixture was then cooled to 160°C (3°C/min heating rate) by stirring at 200 rpm. At 160°C, additionally preheated base oil was added by pump, and then the boiler was stirred at 150 rpm for 15 minutes. The boiler was cooled to 100°C (heating rate of 5°C/min) with stirring at 100 rpm. After cooling, calcium salicylate was added and then an additive package was added after 10 minutes of stirring. In addition, base oil was added, followed by stirring at 150 rpm. The product was mixed and de-aerated for 20 minutes, filtered, homogenized and de-aerated. The grease composition formulations are shown in Table 1:
[0030] O Exemplo 4 é uma repetição do Exemplo 3, e o Exemplo Comparativo 4 é uma repetição do Exemplo Comparativo 3. O pacote de aditivos é um pacote padrão de aditivos de graxa e foi o mesmo em todos os exemplos e os exemplos comparativos. O óleo de base foi um óleo de base parafínico com uma viscosidade de 220 cSt.[0030] Example 4 is a repetition of Example 3, and Comparative Example 4 is a repetition of Comparative Example 3. The additive package is a standard grease additive package and was the same in all examples and comparative examples . The base oil was a paraffinic base oil with a viscosity of 220 cSt.
[0031] Os testes de estabilidade em rolo foram realizados de acordo com ASTM D 1831. Em uma primeira série de testes, o cilindro foi girado por 18 horas a 65°C. Em uma segunda série de testes, o cilindro foi girado por 100 horas a 65°C.[0031] Roll stability tests were carried out in accordance with ASTM D 1831. In a first series of tests, the roll was rotated for 18 hours at 65°C. In a second series of tests, the cylinder was rotated for 100 hours at 65°C.
[0032] As fotos do microscópio eletrônico por varredura foram tiradas após os testes de estabilidade em rolo. As imagens foram avaliadas para determinar se o espessante permaneceu intacto (estruturas tipo fibra são visíveis) ou se foi destruído (estruturas tipo fibra geralmente não são visíveis).Os resultados dos testes de estabilidade em rolo são resumidos na Tabela 2: [0032] Scanning electron microscope photos were taken after roll stability tests. The images were evaluated to determine whether the thickener remained intact (fiber-like structures are visible) or was destroyed (fiber-like structures are generally not visible). The results of the roll stability tests are summarized in Table 2:
[0033] Os exemplos da invenção (todas contendo salicilato de cálcio) exibiram uma estabilidade em rolo significativamente melhorada comparada com os com os exemplos comparativos (não contendo salicilato de cálcio).The examples of the invention (all containing calcium salicylate) exhibited significantly improved roll stability compared to the comparative examples (not containing calcium salicylate).
Claims (4)
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PCT/EP2014/072624 WO2015059181A1 (en) | 2013-10-24 | 2014-10-22 | Improved roll stability in a grease composition |
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JPS58125794A (en) * | 1982-01-21 | 1983-07-26 | Showa Shell Sekiyu Kk | Lithium complex grease composition with high dropping point, having improved acoustic characteristics |
JPS58125795A (en) * | 1982-01-21 | 1983-07-26 | Showa Shell Sekiyu Kk | Lithium complex grease composition a having high dropping point |
GB8531626D0 (en) * | 1985-12-23 | 1986-02-05 | Shell Int Research | Grease composition |
JP4634585B2 (en) * | 2000-08-10 | 2011-02-16 | 昭和シェル石油株式会社 | Grease composition with improved rust and wear resistance |
US7009072B2 (en) * | 2002-10-31 | 2006-03-07 | Crompton Corporation | Method for producing lubricant detergents |
JP5067761B2 (en) * | 2008-04-16 | 2012-11-07 | 住鉱潤滑剤株式会社 | Metal soap grease composition |
FR2942627B1 (en) * | 2009-02-27 | 2011-05-06 | Total Raffinage Marketing | FAT COMPOSITION |
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