WO2007144079A2 - Schmierstoffzusammensetzungen einthaltend komplexester - Google Patents
Schmierstoffzusammensetzungen einthaltend komplexester Download PDFInfo
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- WO2007144079A2 WO2007144079A2 PCT/EP2007/004908 EP2007004908W WO2007144079A2 WO 2007144079 A2 WO2007144079 A2 WO 2007144079A2 EP 2007004908 W EP2007004908 W EP 2007004908W WO 2007144079 A2 WO2007144079 A2 WO 2007144079A2
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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
- 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
- C10M169/048—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution, non-macromolecular and macromolecular compounds
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/08—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
- C10M105/32—Esters
- C10M105/42—Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids and hydroxy carboxylic acids
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M111/00—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
- C10M111/02—Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a non-macromolecular organic compound
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- 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
- C10M129/68—Esters
- C10M129/78—Complex esters, i.e. compounds containing at least three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compound: monohydroxy compounds, polyhydroxy compounds, monocarboxylic acids, polycarboxylic acids, hydroxy carboxylic acids
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- 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
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- 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
- C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
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- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
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- 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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- 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
- C10M2207/28—Esters
- C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
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- 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
- C10M2207/28—Esters
- C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
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- 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
- C10M2207/28—Esters
- C10M2207/30—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids
- C10M2207/301—Complex esters, i.e. compounds containing at leasst three esterified carboxyl groups and derived from the combination of at least three different types of the following five types of compounds: monohydroxyl compounds, polyhydroxy xompounds, monocarboxylic acids, polycarboxylic acids or hydroxy carboxylic acids used as base material
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- 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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- 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
- C10M2209/086—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 polycarboxylic, e.g. maleic acid
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- 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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- 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
- C10N2020/071—Branched chain compounds
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- 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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- 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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- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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- 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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- 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
- C10N2040/12—Gas-turbines
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/135—Steam engines or turbines
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/252—Diesel engines
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
- C10N2040/255—Gasoline engines
- C10N2040/26—Two-strokes or two-cycle engines
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
Definitions
- the invention is in the field of lubricants. It relates to lubricant compositions containing complex esters of increased viscosity and the use of these lubricant compositions as, for example, gear, industrial or engine oil.
- the commercially available lubricant compositions or lubricants are made from a variety of different natural or synthetic components. To improve the required properties depending on the field of application additives and / or other additives are added.
- the base oils often consist of mineral oils, highly refined mineral oils, alkylated mineral oils, poly- ⁇ -olefins (PAO), polyalkylene glycols, phosphate esters, silicone oils, diesters and esters of polyhydric alcohols.
- mineral oils of classes Solvent Neutral and mineral oils of classes XHVI, VHVI, Group II and Group III. come used.
- High-performance lubricating oil formulations which are used as gear, industrial or engine oils are, in particular, oils with a high performance profile with regard to shear stability, low-temperature viscosity, longevity, evaporation loss, energy efficiency (fuel efficiency), seal compatibility and wear protection. Such oils are currently preferred with PAO (especially PAO 6) or Gr. II or Gr.
- low viscosity esters such as e.g. DIDA (diisodecyl adipate), DITA (diisotridecyl adipate) or TMTC (trimethylolpropanol caprylate), used in particular as solubilizers for polar additive types and for the optimization of seal compatibilities.
- esters are reaction products of dicarboxylic acids with moderate alcohols, such as 2-ethylhexanol, or reaction products of polyols, such as trimethylolpropane, and fatty acids, such as oleic acid or a mixture of n-octane and n-decanoic acid. If, for example, dicarboxylic acids are used in addition to monocarboxylic acids and polyols in ester production, the dicarboxylic acid acts crosslinking, which leads to an increase in the molecular weight of the ester and ultimately to higher viscosities or improved thickening effects in lubricant formulations. Such esters are commonly referred to as complex esters.
- additives of a polymeric or oligomeric nature which are used as additives to meet the requirements of very shear-stable lubricant compositions that can be used in a wide range. Furthermore, these additives should at least not degrade the viscosity index.
- Some viscosity index improvers are known, but do not show good shear stability as shown, for example, in US 4,156,673.
- olefin copolymers which have good shear stability. It is further described that the good shear stability decreases with the size of the molecule and thus with an increased viscosity. This disintegration of the polymers by increased shear forces leads to a reduction in the viscosity in the lubricant.
- An optimum viscosity index improver shows only a minor contribution to the viscosity of the lubricant at low temperatures and a large contribution at operating temperatures.
- a high stability should be present even at elevated shear forces. The task was thus to increase the shear stability of the lubricant composition and to achieve a good low-temperature viscosity.
- Another object was to either reduce or eliminate the content of common polymeric and / or oligomeric thickeners or VI improvers (e.g., OCP's, PIB's, polyalkylmethacrylates) in the lubricant compositions, as well as expensive carrier components such as PAO by Gr.
- VI improvers e.g., OCP's, PIB's, polyalkylmethacrylates
- PAO PAO by Gr.
- the reduction or elimination of common polymers should provide shear stability and low temperature viscosity benefits.
- lubricants in addition to increased oxidation stability and low cryogenic viscosity, must have improved compatibility with sealing materials.
- the known lubricants based on linear esters with good oxidation stability are saturated, but cause softening of the usual sealing materials.
- unsaturated ester types derived from, for example, oleic acid behave better over sealing materials, but have greatly reduced oxidation stabilities.
- sealing materials such as NBR (nitrile-butyl rubber) and their hydrogenated variants (HNBR).
- Another object of the present invention has been to provide lubricants to make available, in addition to the properties mentioned have a good compatibility with sealing materials.
- the other properties, in particular the lubricity and rheological properties of the lubricant must not be adversely affected.
- the invention relates to a lubricant composition with a good shear stability determined by the loss of kinematic viscosity at 100 0 C containing base oil and a synthetic complex ester, wherein the complex ester has a kinematic viscosity at 40 ° C of greater than 400 and up to 50,000 mm 2 / s and by implementing
- CEC L-45-T-93 (20 hours) and is less than 8%, preferably less than 5% and most preferably less than 4%; (ii) for hydraulic fluids, for stationary industrial gear oils, for oils for
- Lubricating wind turbines for gas turbine oils, for compressor oils and shock absorber fluids, determined to CEC L-45-T-93 (20 hours), less than 15% and preferably less than 8%; (iii) for two-stroke and four-stroke engine oils and diesel and gasoline oils, determined by shearing according to ASTM D 3945 (30 cycles) and less than 15%, preferably less than 10% and most preferably less than 7%.
- the shear applies in the context of the invention as a permanent shear. Since the viscosity of the base oil does not decrease at all or only insignificantly Mood of the loss of viscosity after shear as a parameter for the complex esters meaningful.
- PAO types for example PAO 60 or PAO 100 or conventional thickeners such as OCP or PIB, which were added to lubricants as thickeners, can alternatively be formulated with the complex esters to be obtained according to the invention and give comparably good results lead to improved properties.
- the kinematic viscosity of the complex ester to be used is preferably from 800 to 25,000 mm 2 / s, in particular from 1,200 to 10,000 mm 2 / s, more preferably from 1,300 to 5,000 mm 2 / s and most preferably from 1,500 to 3,000 mm 2 / s. It has surprisingly been found that the use of these esters leads to very low losses of the kinematic viscosity of the lubricant composition after permanent shear. This feature makes it possible to use in lubricants exposed to high shear stress.
- Lubricant compositions comprising the complex ester in a concentration of from 3 to 90% by weight, based on the total amount of lubricant composition, are preferred according to the invention. Particular preference is given to a concentration of 7-50% by weight and more preferably of 10-34% by weight.
- the lubricant compositions are characterized in that in the reaction according to a) branched monocarboxylic acids or mixtures of linear and branched monocarboxylic acids are used as monocarboxylic acids, each having a carbon number of 5 to 40 carbon atoms, wherein preferably the content of branched monoacid greater than 90 mol%, based on the is the total content of the acid mixture.
- the monocarboxylic acids preferably have 8 to 30 C atoms and in particular 10 to 18 C atoms.
- the monocarboxylic acids are selected from the group consisting of the following branched acids: 2,2-dimethylpropanoic acid, neoheptanoic acid, neo-octanoic acid, neononanoic acid, isohexanoic acid, neo-decanoic acid, 2-ethylhexanoic acid, 3-propylhexylic acid, 3,5,5-trimethylhexanoic acid, Isoheptanoic acid, isooctanoic acid, isononanoic acid, isostearic acid, isopalmitic acid, Guerbetklare C32, Guerbetklare C34 or Guerbetkladre.
- the linear acids are preferably selected from the group formed by valeric acid, caproic acid, hepatic acid, caprylic acid, pelargonic acid, capric acid, undecanoic acid, lauric acid, tridecanoic acid, tetradecanoic acid, pentadecanoic acid, palmitic acid, margaric acid, stearic acid, nonadecanic acid, arachidic acid , Behenic acid, lignoceric acid, myristic acid, cerotic acid, melissic acid, tricosanoic acid, and pentacosanoic acid 2-ethylhexanoic acid, isotridecanoic acid, myristic acid, palm oleic acid, oleic acid, elaidic acid, petroselinic acid, linoleic acid, linolenic acid, elaeostearic acid, gadoleic acid, and erucic acid and their technical mixtures.
- lubricant compositions which contain complex esters which are obtained by reacting polyols with dicarboxylic acids and branched monocarboxylic acids.
- These stated preferred esters of polyols, dicarboxylic acids and branched monocarboxylic acids preferably have a viscosity of from 1,300 to 5,000 mm 2 / s and very particularly preferably from 1,500 to 3,000 mm 2 / s.
- the base oil contained in the lubricant composition is understood as meaning an oil which is selected from the group consisting of mineral oils, highly refined mineral oils, alkylated mineral oils, poly- ⁇ -olefins, polyalkylene glycols, phosphate esters, silicone oils, Diesters and esters of polyhydric alcohols and mineral oils of classes Solvent Neutral and mineral oils of classes XHVI, VHVI, Group II and Group III and GTL basestock (gas-to-liquid base oil).
- the poly- ⁇ -olefins can preferably be composed of C6- to C18- ⁇ -olefins and mixtures thereof. Especially preferred are poly- ⁇ -decenes.
- the polyols according to the invention are branched or linear alcohols of the general formula (I) R 1 (OH) n in which R 1 is an aliphatic or cycloaliphatic group having 2 to 20 carbon atoms and n is at least 2.
- the polyols are preferably selected from the group formed by neopentyl glycol, 2,2-dimethylolbutane, trimethylolethane, trimethylolpropane, trimethylolbutane, mono-pentaerythritol, di-pentaerythritol, tri-pentaerythritol, ethylene glycol, propylene glycol, polyalkylene glycol, 1, 4 Butanediol, 1,3- Propandiol and glycerin. Particularly preferred are trimethylolpropane, mono-pentaerythritol and di-pentaerythritol.
- the lubricant compositions are characterized in that branched or linear alcohols of the general formula (II) (R 2 OH) are used as monoalcohols in the reaction according to b), in which R 2 is an aliphatic or cycloaliphatic group with 2 is up to 24 carbon atoms and carries 0 and / or 1, 2 or 3 double bonds.
- R 2 is an aliphatic or cycloaliphatic group with 2 is up to 24 carbon atoms and carries 0 and / or 1, 2 or 3 double bonds.
- the monoalcohols are selected from the group consisting of caproic alcohol, caprylic alcohol, 2-ethylhexyl alcohol, capric alcohol, lauryl alcohol, isotridecyl alcohol, myristyl alcohol, cetyl alcohol, palmoleyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, elaidyl alcohol, petroselinyl alcohol , Linolyl alcohol, linolenyl alcohol, elaeostearyl alcohol, arachyl alcohol, gadoleyl alcohol, behenyl alcohol, erucyl alcohol and brassidyl alcohol, and technical mixtures thereof.
- the dicarboxylic acids to be used according to the invention for preparing the complex esters are preferably oxalic, malonic, succinic, glutaric, adipic, pimelic, cork, azelaic, sebacic, brassylic, thapsic and phellogenic acids.
- the anhydrides of the dicarboxylic acids are also suitable for the reaction according to the invention. Particular preference is given to azelaic acid or sebacic acid and their anhydrides.
- the reaction to form the reaction products of the complex esters proceeds in known syntheses for the preparation of esters.
- the preparation of the esters can also be carried out by known methods according to the invention so that there are selectively free carboxyl and / or free hydroxyl groups and that these products are used with free carboxyl and / or free hydroxyl groups in the lubricant composition.
- the free carboxyl groups present can furthermore be reacted with amines to give amides and the resulting compounds can be present as complex esters in the lubricant composition in the meaning of the invention.
- the lubricant compositions according to the invention contain as further component a polar polymer in a concentration of 0.5 to 30 wt .-% based on the total amount of lubricant composition.
- the polar polymers to be used according to the invention are preferably selected from the group formed by alkylfumarate- ⁇ -olefin copolymer, alkylmaleate- ⁇ -olefin
- Copolymer polyalkyl methacrylate, propylene oxide polymer, ethylene oxide-propylene oxide
- the complex esters to be used according to the invention show a high compatibility with sealing materials which are commonly used.
- the test for compatibility with sealing materials can be carried out, for example, according to the standard test ASTM D 471, for example for 168 h at 100 ° C.
- the complex esters to be used according to the invention show a volume increase of not more than 20%, preferably not more than 10%, in the case of the sealing materials. a hardness loss of less than 15%, preferably less than 10% and a decrease in the elongation at break of less than 50%, preferably less than 30%.
- the compatibility of the complex esters to be used with sealing materials selected from the group consisting of NR (natural rubber), NBR (nitrile-butadiene rubber), HNBR (hydrogenated-nitrile-butyl-rubber ), FPM (fluororubber), ACM (acrylate rubber), PTFE (Teflon), PU (polyurethane), silicone, polyacrylate and neoprene, especially preferred over NBR, HNBR and ACM.
- the stability of the sealing materials to esters with branched alkyl groups is determined by the abovementioned test ASTM D 471 and the stated criteria are met.
- the complex esters to be used according to the invention also exhibit good oxidation and thermal stability. This could be determined according to DIN EN ISO 4263-3.
- lubricant composition lubricant, lubricating oil and formulation are used interchangeably.
- the lubricant composition according to the invention may contain further additives which are selected from the group formed by polymer thickeners, viscosity index improvers, antioxidants, corrosion inhibitors, detergents, dispersants, demulsifiers, defoamers, dyes , Wear protection additives, EP (extreme pressure) and AW (antiwear) additives and friction modifiers.
- Another object of the invention is the use of the lubricant composition according to the invention, in particular in the preferred embodiments, asharigetriebe-, axle, industrial gear, compressor, turbine or engine oil. Particularly preferred is the use asffygetriebe-, axle, clutch or industrial gear oil.
- Table 1 shows a summary of example and comparative example formulations. It is clearly evident that, based on the high-viscosity esters HVE I or HVE II, SAE grade 75W-90 gear oils with good low temperature properties had to be formulated (low dynamic viscosities, all ⁇ 300,000 mPa.s, measured at -4O 0 C). Noteworthy is the improved shear stability of the example formulations (except B5 and B6, which exclusively aimed at the effect according to the invention of improving low-temperature properties and the possibility of using Gr.III mineral oils instead of PAO 6) in comparison to comparative example (VB1). The effect is all the more clear when one considers that VBl was formulated with PIB and OCP systems, which are considered to be particularly shear stable.
- alkyl methacrylate polymers see B5 and B6
- alkyl methacrylate- ⁇ -olefin copolymers see B3
- alkylmaleate- ⁇ -olefin copolymers see B7
- alkylfumarate ⁇ - olefin copolymers see BIO
- PAO 4 Nexbase 2004 of the company Neste OiI Corp.
- PAO 6 Nexbase 2006 from Neste OiI Corp.
- Nexbase 2008 from Neste OiI Corp.
- PDB I Commercially available high-viscosity esters having a Kinematic measured at 4O 0 C. Visc. of 445 mmVs (eg Synative ES 3237 from Cognis)
- PDB II High-viscosity esters having a measured at 40 0 C Kinematic. Visc. of 2000 mmVs; obtained according to known methods by reacting pentaerythritol, isostearic acid and sebacic acid
- DIDA diisodecyl adipate, for example Synative ES DIDA from Cognis Deutschland GmbH & Co. KG Gr. III mineral oil: Nexbase 3043 from Neste OiI Corp.
- Alkyhnethacrylate- ⁇ -olefin copolymer I Viscobase 11-574 from RohMax Alkyl methacrylate I: Viscoplex 0-101 from RohMax Alkylmaleate- ⁇ -olefin copolymer I: Gear-Lube 7930 Alkylfumarate- ⁇ -olefin copolymer I: Gear Lube 7960 additive package I: Anglamol 6004 J from Lubrizol PIB I: Lubrizol 8406 from Lubrizol OCP I: Lubrizol 8407 from Lubrizol * SRV test conditions: apparatus SRV 1 from Optimol Instrumentsulphtechnik GmbH
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Lubricants (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/305,576 US20090186787A1 (en) | 2006-06-13 | 2007-06-02 | Lubricant Compounds Containing Complex Esters |
AU2007260340A AU2007260340B2 (en) | 2006-06-13 | 2007-06-02 | Lubricant compounds containing complex esters |
EP07725786.3A EP2027234B1 (de) | 2006-06-13 | 2007-06-02 | Schmierstoffzusammensetzungen einthaltend komplexester |
MX2008014259A MX2008014259A (es) | 2006-06-13 | 2007-06-02 | Compuestos lubricantes que contienen esteres complejos. |
JP2009514660A JP2009540070A (ja) | 2006-06-13 | 2007-06-02 | 複合エステル含有滑剤組成物 |
CA002655040A CA2655040A1 (en) | 2006-06-13 | 2007-06-02 | Lubricant compounds containing complex esters |
CN2007800220457A CN101466817B (zh) | 2006-06-13 | 2007-06-02 | 含复合酯的润滑剂组合物 |
BRPI0713592-0A BRPI0713592A2 (pt) | 2006-06-13 | 2007-06-02 | composições de lubrificantes contendo ésteres complexos |
HK09108999.5A HK1129235A1 (en) | 2006-06-13 | 2009-09-29 | Lubricant compounds containing complex esters |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006027602A DE102006027602A1 (de) | 2006-06-13 | 2006-06-13 | Schmierstoffzusammensetzungen enthaltend Komplexester |
DE102006027602.7 | 2006-06-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2007144079A2 true WO2007144079A2 (de) | 2007-12-21 |
WO2007144079A3 WO2007144079A3 (de) | 2008-02-28 |
Family
ID=38658472
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/004908 WO2007144079A2 (de) | 2006-06-13 | 2007-06-02 | Schmierstoffzusammensetzungen einthaltend komplexester |
Country Status (12)
Country | Link |
---|---|
US (1) | US20090186787A1 (de) |
EP (1) | EP2027234B1 (de) |
JP (1) | JP2009540070A (de) |
KR (1) | KR20090016703A (de) |
CN (1) | CN101466817B (de) |
AU (1) | AU2007260340B2 (de) |
BR (1) | BRPI0713592A2 (de) |
CA (1) | CA2655040A1 (de) |
DE (1) | DE102006027602A1 (de) |
HK (1) | HK1129235A1 (de) |
MX (1) | MX2008014259A (de) |
WO (1) | WO2007144079A2 (de) |
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- 2007-06-02 JP JP2009514660A patent/JP2009540070A/ja active Pending
- 2007-06-02 BR BRPI0713592-0A patent/BRPI0713592A2/pt not_active Application Discontinuation
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- 2007-06-02 CN CN2007800220457A patent/CN101466817B/zh not_active Expired - Fee Related
- 2007-06-02 US US12/305,576 patent/US20090186787A1/en not_active Abandoned
- 2007-06-02 CA CA002655040A patent/CA2655040A1/en not_active Abandoned
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2345710A1 (de) * | 2010-01-18 | 2011-07-20 | Cognis IP Management GmbH | Schmiermittel mit erweiterter Energieeffizienz |
WO2011085969A1 (en) * | 2010-01-18 | 2011-07-21 | Cognis Ip Management Gmbh | Lubricants with enhanced energy efficiency |
EP2937408A1 (de) | 2014-04-22 | 2015-10-28 | Basf Se | Schmiermittelzusammensetzung mit einem Ester eines C17 Alkoholgemischs |
WO2016138939A1 (en) | 2015-03-03 | 2016-09-09 | Basf Se | Pib as high viscosity lubricant base stock |
Also Published As
Publication number | Publication date |
---|---|
WO2007144079A3 (de) | 2008-02-28 |
MX2008014259A (es) | 2008-11-26 |
CN101466817A (zh) | 2009-06-24 |
CA2655040A1 (en) | 2007-12-21 |
EP2027234B1 (de) | 2018-01-31 |
US20090186787A1 (en) | 2009-07-23 |
AU2007260340A1 (en) | 2007-12-21 |
AU2007260340B2 (en) | 2011-12-15 |
DE102006027602A1 (de) | 2007-12-20 |
EP2027234A2 (de) | 2009-02-25 |
JP2009540070A (ja) | 2009-11-19 |
BRPI0713592A2 (pt) | 2012-11-06 |
CN101466817B (zh) | 2013-06-12 |
KR20090016703A (ko) | 2009-02-17 |
HK1129235A1 (en) | 2009-11-20 |
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