EP0208541A2 - Lubricant compositions - Google Patents
Lubricant compositions Download PDFInfo
- Publication number
- EP0208541A2 EP0208541A2 EP86305275A EP86305275A EP0208541A2 EP 0208541 A2 EP0208541 A2 EP 0208541A2 EP 86305275 A EP86305275 A EP 86305275A EP 86305275 A EP86305275 A EP 86305275A EP 0208541 A2 EP0208541 A2 EP 0208541A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- sulfide
- molybdenum
- oxymolybdenum
- carbon atoms
- amount
- 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.)
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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
- C10M141/00—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential
- C10M141/10—Lubricating compositions characterised by the additive being a mixture of two or more compounds covered by more than one of the main groups C10M125/00 - C10M139/00, each of these compounds being essential at least one of them being an organic phosphorus-containing compound
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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
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/02—Well-defined hydrocarbons
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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
- 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
- C10M129/76—Esters containing free hydroxy or carboxyl groups
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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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/52—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of 30 or more atoms
- C10M133/56—Amides; Imides
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
- C10M135/12—Thio-acids; Thiocyanates; Derivatives thereof
- C10M135/14—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond
- C10M135/18—Thio-acids; Thiocyanates; Derivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
- C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
- C10M137/04—Phosphate esters
- C10M137/10—Thio derivatives
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
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- 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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- 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
- C10M2203/02—Well-defined aliphatic compounds
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- 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
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/0206—Well-defined aliphatic compounds used as base material
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/022—Well-defined aliphatic compounds saturated
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- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/024—Well-defined aliphatic compounds unsaturated
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- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/04—Well-defined cycloaliphatic compounds
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- C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
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- 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
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- 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
- C10M2205/026—Butene
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- C10M2207/288—Partial esters containing free carboxyl groups
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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
- C10M2207/287—Partial esters
- C10M2207/289—Partial esters containing free hydroxy groups
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
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- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
- C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
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- C10M2215/086—Imides
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- C10M2215/22—Heterocyclic nitrogen compounds
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/221—Six-membered rings containing nitrogen and carbon only
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- C10M2215/225—Heterocyclic nitrogen compounds the rings containing both nitrogen and oxygen
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- C10M2217/04—Macromolecular compounds from nitrogen-containing monomers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C10M2217/046—Polyamines, i.e. macromoleculars obtained by condensation of more than eleven amine monomers
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- C10M2217/06—Macromolecular compounds obtained by functionalisation op polymers with a nitrogen containing compound
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
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- C10M2219/066—Thiocarbamic type compounds
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- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
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- C10M2219/068—Thiocarbamate metal salts
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- C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
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- C10M2223/045—Metal containing thio derivatives
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- C10N2010/00—Metal present as such or in compounds
- C10N2010/04—Groups 2 or 12
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- C10N2010/00—Metal present as such or in compounds
- C10N2010/12—Groups 6 or 16
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- 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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/042—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for automatic transmissions
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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
- C10N2040/044—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for manual transmissions
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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
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
- C10N2040/046—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives for traction drives
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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
- C10N2040/08—Hydraulic fluids, e.g. brake-fluids
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- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Lubricants (AREA)
Abstract
Description
- This invention relates to fluid compositions suitable for use in traction drives.
- Traction drive devices such as of ball-cone, cone-ring, wheel-disc, chain-sieve, toroidal and planetary roll types are designed to operate with power transmission that takes advantage of the rolling friction which develops as a result of a film of oil being hardened at the contacting surfaces. In general, lubricating oils for use in those traction drives should meet the following requirements.
- 1. High coefficient of traction.
- 2. Enhanced oxidation stability, hence freedom from sludge formation and high shear stability.
- 3. Rust-proofness to prevent pitching and flaking at the contacting surfaces of the traction wheel.
- 4. High wear resistance to permit sufficient lubrication of bearings, wheels and actuators.
- Known traction fluids are satisfactory in part, not in whole of the above requirements. Various additives have been proposed to compensate for the missing qualities. However, the use of such additives has in many instances resulted in reduced fatigue life of traction wheels, bearings and gears and also reduced traction coefficient.
- It has now been found that fluid compositions of superior characteristics can be obtained for use in traction drives which incorporate a selected class of hydrocarbon compounds combined with certain dialkyldithio-zinc phosphates, alkenyl succinimides or their boron derivatives, and carboxylates of polyalcohols.
- It is therefore the primary object of the present invention to provide improved traction fluid compositions which are capable of providing traction drive apparatus with prolonged fatigue life, high wear resistance, high traction coefficient, high oxidation and shear stability, rust-proofness and other characteristics desired to attain best traction performance.
- According to a first aspect of the invention, there is provided a lubricant composition for use in traction drives comprising: a base oil represented by the formula
- According to a second aspect of the invention, there is provided a lubricant composition for use in traction drives comprising: a base oil represented by the formula
- According to a third aspect of the invention, there is provided a lubricant composition for use in traction drives comprising: a base oil represented by the formula
- According to a fourth aspect of the invention, there is provided a lubricant composition for use in traction drives comprising: a base oil represented by the formula
- Base oils suitable for the purpose of the present invention are hydrocarbon compounds represented by the formula
- Eligible substituting groups for R₁, R₂ and R₃ are methyl, ethyl, propyl and butyl, amongst which methyl and ethyl are particularly preferred. Eligible R₄ and R₅ groups are methylene, methylmethylene (ethylidene), dimethylmethylene, ethylene, methylethylene, 1,1-dimethylethylene, 1,2-dimethylethylene, 1,1,2-trimethylethylene, tetramethylethylene, trimethylene, 1-methyltrimethylene, 2-methyltrimethylene, 1,1-dimethyltrimethylene, 1,2-dimethyltrimethylene, 1,3-dimethyltrimethylene, 2,2-dimethyltrimethylene, 1,1,2-trimethyltrimethylene, 1,1,3-trimethyltrimethylene, 1,2,2-trimethyltrimethylene, 1,2,3-trimethyltrimethylene, 1,1,2,2-tetramethyltrimethylene, 1,1,2,3-tetramethyltrimethylene, 1,1,3,3-tetramethyltrimethylene and 1,2,2,3-tetramethyltrimethylene.
- Specific examples of the base oils include dicyclohexylmethane, 1,1-dicyclohexylethane, 1,2-dicyclohexylethane, 1,2-dicyclohexylpropane, 1,3-dicyclohexylpropane, 2,2-dicyclohexylpropane, 1,2-dicyclohexyl-2methylpropane, 1,3-dicyclohexylbutane, 1,3-dicyclohexyl-3-methylbutane, 1,3-dicyclohexyl-2,3-dimethylbutane, 2,3-dicyclohexyl-2,3-dimethylbutane, 2,4-dicyclohexylpentane, 2,4-dicyclohexyl-2-methylpentane, bis(cyclohexylmethyl)cyclohexane, bis(1-cyclohexylethyl)cyclohexane and bis(1-methyl-2- cyclohexylethyl)cyclohexane, substituted compounds thereof in which one or two methyl or ethyl groups are bonded to the hydrogen atoms of the cyclohexyl ring, and combinations thereof. Particularly preferred among those base oils are 1-cyclohexyl-1-methylcyclohexylethane, 1-cyclohexyl-1-ethylcyclohexylethane, 1-cyclohexyl-1-dimethylcyclohe xylethane, bis(1-cyclohexylethy)methylcyclohexane, bis(1-cyclohexylethyl)ethylcyclohexane, bis(1-cyclohexylethyl)dimethylcyclohexane and 2,4-dicyclohexyl-2-methylpentane, and combinations thereof.
- Zinc dialkyldithio phosphates useful as component [I] hereunder are compounds represented by the formula
- The amount of component [I] to be added should be in the range of 0.1 - 5 wt. %, preferably 0.5 - 3 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would fail to give sufficient wear resistance and oxidation stability. Greater amounts than 5 wt. % would result in reduced rolling fatigue life and traction coefficient.
- Alkenyl succinimides and their boron derivatives are useful as component [II[ in the invention. The alkenyl succinimides may be obtained by reaction of polyolefins with maleic anhydride and by subsequent conversion of the resulting intermediates into the form of imides by reaction with amines. Examples of the polyolefins are those resulting from the homo- and co-polymerization of olefins of 2 - 30 carbon atoms such as ethylene, propylene, butene, pentene, hexene, heptene, octene, nonene, decene and dodecene, and also from the co-polymerization of those olefins with aromatic olefins such as styrene. The molecular weight of the polyolefins is between 300 and 5,000. Examples of the amines to be here used include monoamines such as methylamine, ethylamine, propylamine, butylamine, pentylamine, hexylamine, heptylamine and octylamine, polyamines such as ethylenediamine, propylenediamine, N,N'-dimethylpropylenediamine, trimethylenediamine, N,N-dihexyltrimethylenediamine, decamethylenediamine, di(trimethylene)triamine, di(heptamethylene)triamine, triethylenetetraamine, tripropylenetetraamine, tetraethylenepentaamine, pentaethylenehexaamine, imidazoline, methylimidazoline, bis(aminoethyl)imidazoline, pyrimidine, aminopropylpiperazine and bis(aminoethyl)piperazine, and hydroxy-substituted amines such as N-mono(hydroxyethyl)ethylenediamine, N,N'-bis(hydroxyethyl)ethylenediamine, N-mono(hydroxypropyl)diethylenetriamine and N,N'-bis(hydroxypropyl)tetraethylenepentaamine.
- The borides or boron derivatives of the above alkenyl succinimides are obtainable by reaction of such succinimides with boron compounds selected for example from boron oxide, boron oxide hydrates, boron trifluoride, boron trichloride, boron tribromide, alkyl or aryl borons, boric acid, metaboric acid and tetraboric acid, esters of these boric acids with alcohols and phenols and ammonium salts thereof. The boron derivatives may be synthesized by numerous methods disclosed for example in U. S. Patent Nos. 3,281,428, 3,282,955, 3,284,410, 3,284,409, 3,344,069 and 3,533,945, Japanese Patent Publication Nos. 42-8013, 42-8014, 47-45161 and 47-45162, and Japanese Patent Application (Kokai) Nos. 51-52381, 51-130408 and 54-87705.
- The amount of component [II] to be added should be in the range of 0.1 - 5 wt. %, preferably 0.5 - 3 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would invite insufficient oxidation stability. Greater amounts than 5 wt. % would result in reduced rolling fatigue life, traction coefficient and wear resistance.
- Carboxylic acid partial esters of polyalcohols of 3 - 6 carbon atoms are useful as component [III] in the invention. Examples of the polyalcohols include glycerine [C₃H₅(OH)₃], pentaerythritol [C₄H₈(OH)₄], sorbitol [C₆H₈(OH)₆] and sorbitan [C₆H₈O(OH)₄]. Examples of the carboxylic acids are those having a carbon number of 8 - 22, preferably 12 - 18, and in cluding decanoic acid (capric acid), undecanoic acid, dodecanoic acid (lauric acid), tridecanoic acid, tetradecanoic acid (myristic acid), pentadecanoic acid, hexadecanoic acid (palmitic acid), heptadecanoic acid (margaric acid), octadecanoic acid (stearic acid), nonadecanoic acid, eicosanoic acid (arachidic acid), heneicosanoic acid, decosanoic acid (behenic acid), dodecenoic acid, tetradecenoic acid, hexadecenoic acid, octadecenoic acid (oleic acid), dodecadienoic acid, tetradecadienoic acid, hexadecadienoic acid and octadecadienoic acid (linoleic acid).
- Specific examples of component [III] include glycerine dodecanoic acid monoester (monoglyceride laurate), glycerine hexadecanoic acid monoester (monoglyceride palmitate), glycerine octadecanoic acid monoester (monoglyceride stearate), glycerine octadecenoic acid monoester (monoglyceride oleate), pentaerythritol dodecanoic acid monoester (pentaerythritol monolaurate), pentaerythritol hexadecanoic acid monoester (pentaerythritol monopalmitate), pentaerythritol octadecanoic acid monoester (pentaerythritol monostearate), pentaerythritol octadecenoic acid monoester (pentaerythritol monooleate), sorbitol dodecanoic acid monoester (sorbitol monolaurate), sorbitol hexadecanoic acid monoester (sorbitol monopalmitate), sorbitol octadecanoic acid monoester (sorbitol monostearate), sorbitol octadecenoic acid monoester (sorbitol monooleate), sorbitan dodecanoic acid monoester (sorbitan monolaurate), sorbitan hexadecanoic acid monoester (sorbitan monopalmitate), sorbitan octadecanoic acid monoester (sorbitan monostearate), sorbitan octadecenoic acid monoester (sorbitan monooleate), sorbitan octadecanoic acid triester (sorbitan tristearate) and sorbitan octadecenoic acid triester (sorbitan trioleate), and combinations thereof.
- The amount of component [III] to be added should be in the range of 0.01 - 5 wt. %, preferably 0.1 - 3 wt. %, based on the total composition. Smaller amounts than 0.01 wt. % would be insufficient for rust-proofness. Greater amounts than 5 wt. % would induce reduced rolling fatigue life and traction coefficient.
- A first embodiment of the invention provides lubircant compositions in which components [I] to [III] are combined with base oils. According to a second embodiment of the invention, selected polyolefins are further incorporated to build dynamic viscosity and shear stability.
- Polyolefins eligible as component [IV] hereunder are those having an average molecular weight of 200 -10,000, preferably 1,000 - 4,000, and obtained by the homo- and co-polymerization of olefins selected for example from ethylene, propylene, 1-butene and isobutylene with use of a Friedel-Crafts catalyst such as aluminum chloride, magnesium chloride, boron fluoride or titanium tetrachloride, or a complex compound thereof, if necessary in combination with a co-catalyst such as an organic halide or hydrochloric acid. Polybutene, polyisobutylene, ethylene-propylene copolymer, ethylene-1-butene copolymer and ethylene-propylene-1-butene copolymer are particularly preferred.
- The amount of component [IV] to be added should be in the range of 0.1 - 20 wt. %, preferably 1 - 10 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would be ineffective for viscosity buildup. Greater amounts than 20 wt. % would lead to reduced traction coefficient.
- Third and fourth embodiments of the invention are intended to make the resulting compositions more highly resistant to wear and longer in rolling fatigue life by further addition of selected molybdenum compounds.
- Molybdenum compounds suitable as component [V] in the invention are one or more of molybdenum dithiophosphates and molybdenum dithiocarbamates represented respectively by the formulae
- Eligible R₁₀ to R₁₃ groups are methyl, ethyl, propyl, butyl, pentyl, hexyl, heptyl, octyl, nonyl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl, eicosyl, docosyl, tetracosyl, cyclopentyl, cyclohexyl, methylcyclohexyl, ethylcyclohexyl, dimethylcyclohexyl, cycloheptyl, phenyl, tolyl, xylyl, ethylphenyl, propylphenyl, butylphenyl, pentylphenyl, hexylphenyl, heptylphenyl, octylphenyl, nonylphenyl, decylphenyl, dodecylphenyl, tetradecylphenyl, hexadecylphenyl, octadecylphenyl, benzyl and phenethyl.
- Specific examples of component [V] include molybdenum diethyldithiophosphate sulfide, molybdenum dipropyldithiophosphate sulfide, molybdenum dipropyldithiophosphate sulfide, molybdenum dibutyldithiophosphate sulfide, molybdenum dipentyldithiophosphate sulfide, molybdenum dihexyldithiophosphate sulfide, molybdenum dioctyldithiophosphate sulfide, molybdenum didecyldithiophosphate sulfide, molybdenum didecyldithiophosphate sulfide, molybdenum di(butylphenyl)dithiophosphate sulfide, molybdenum(nonylphenyl)dithiophosphate sulfide, oxymolybdenum diethyldithiophosphate sulfide, oxymolybdenum dipropyldithiophosphate sulfide, oxymolybdenum dibutyldithiophosphate sulfide, oxymolybdenum dipentyldithiophosphate sulfide, oxymolybdenum dihexyldithiophosphate sulfide, oxymolybdenum dioctyldithiophosphate sulfide, oxymolybdenum didecyldithiophosphate sulfide, oxymolybdenum didodecyldithiophosphate sulfide, oxymolybdenum di(butylphenyl)dithiophosphate sulfide, oxymolybdenum di(nonylphenyl)dithiophosphate sulfide, molydbenum diethyldithiocarbamate sulfide, molybdenum dipropyldithiocaramate sulfide, molybdenum dibutyldithiocarbamate sulfide, molybdenum dihexyldithiocarbamate sulfide, molybdenum dioctyldithiocarbamate sulfide, molybdenum didecyldithiocarbamate sulfide, molybdenum didodecyldithiocarbamate sulfide, molybdenum di(butylphenyl)dithiocarbamate sulfide, molybdenum di(nonylphenyl)dithiocarbamate sulfide, oxymolybdenum diethyldithiocarbamate sulfide, oxymolybdenum dipropyldithiocarbamate sulfide, oxymolybdenum dibutyldithiocarbamate sulfide, oxymolybdenum dipentyldithiocarbamate sulfide, oxymolybdenum dihexyldithiocarbamate sulfide, oxymolybdenum dioctyldithiocarbamate sulfide, oxymolybdenum dioctyldithiocarbamate sulfide, oxymolybdenum didecyldithiocarbamate sulfide, oxymolybdenum didodecyldithiocarbamate sulfide, oxymolybdenum di(butylphenyl)dithiocarbamate sulfide and oxymolybdenum di(nonylphenyl)dithiocarbamate, and combinations thereof. Particularly preferred are combinations of phosphates, molybdenum dithiophosphates and molybdenum dithiocarbamates.
- The amount of component [V] to be added should be in the range of 0.1 - 10 wt. %, preferably 0.3 - 5 wt. %, based on the total composition. Smaller amounts than 0.1 wt. % would fail to produce sufficient wear resistance and rolling fatigue life. Greater amounts than 10 wt. % would result in reduced traction coefficient and rolling fatigue life.
- There may be used additives such as metallic cleaning agents including alkali metal sulfonates and alkaline earth metal sulfonates, anticorrosive agents, extreme pressure agents, viscosity index improvers, rust preventives and the like.
- The invention will be further described by way of the following examples.
- Numerous tractive fluid compositions according to the invention were formulated and prepared as per Table 1.
- Two controls were prepared, one control using only a base oil of the invention, and the other being commercially available.
- Performance test was made with the results shown in Table 2.
- Measurement was made in accordance with ASTM D 445 (Standard Test Method for Kinematic Visco arent and Opaque Liquids).
- Four-cylinder rolling friction tester was used with rolling speed 310 cm/second, load 90 kg/mm² and slip rate 2 %.
- JIS K 2514 (Testing Method for Oxidation Stability of Lubricants for Internal Combustion Engine Oils) was followed with temperature 165.5°C and time 72 hours. Viscosity ratio at 40°C was determined.
- Test was made in accordance with ASTM D 2603 (Standard Test Method for Sonic Shear Stability of Polymer-Containing Oils) with sonic radiation 10 KH₂, temperature 40°C and time 30 minutes. Viscosity reduction at 40°C was determined.
- ASTM D 2266 was followed with speed 1,500 ppm, load 40 kgf and time 2 hours, using four balls. Wear scar diameter was measured.
- IP 305 (Testing Method for Uni-Steel Rolling Fatigue) was followed. Length of time required for L₁₀:90 % life was measured.
- This test was made in accordance with ASTM D 665 (Standard Test Method for Rust-Preventing Characteristics of Inhibited Mineral Oil in the Presence of Water).
-
Claims (13)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP149630/85 | 1985-07-08 | ||
JP14963085A JPS6210193A (en) | 1985-07-08 | 1985-07-08 | Fluid composition for traction drive |
JP149631/85 | 1985-07-08 | ||
JP14963185A JPS6210194A (en) | 1985-07-08 | 1985-07-08 | Fluid composition for traction drive |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0208541A2 true EP0208541A2 (en) | 1987-01-14 |
EP0208541A3 EP0208541A3 (en) | 1988-05-18 |
EP0208541B1 EP0208541B1 (en) | 1991-12-04 |
Family
ID=26479460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86305275A Expired - Lifetime EP0208541B1 (en) | 1985-07-08 | 1986-07-08 | Lubricant compositions |
Country Status (2)
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EP (1) | EP0208541B1 (en) |
DE (1) | DE3682715D1 (en) |
Cited By (17)
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EP0230920A2 (en) * | 1986-01-23 | 1987-08-05 | Idemitsu Kosan Company Limited | Fluid for traction drive |
EP0280260A2 (en) * | 1987-02-27 | 1988-08-31 | Idemitsu Kosan Company Limited | Lubricating oil composition |
EP0281060A2 (en) * | 1987-03-02 | 1988-09-07 | Idemitsu Kosan Company Limited | Lubricating oil compositions for traction drive |
EP0286141A1 (en) * | 1987-04-10 | 1988-10-12 | Erasmus Dr. Froeschmann | Lubricant or lubricant concentrate |
EP0286139A1 (en) * | 1987-04-10 | 1988-10-12 | Gesellschaft für Industrielle Instandhaltungs- und Wartungsprodukte mbH SIWA | Lubricant or lubricant concentrate |
EP0291006A2 (en) * | 1987-05-14 | 1988-11-17 | Idemitsu Kosan Company Limited | Lubricating oil composition having improved temperature characteristics |
EP0305807A2 (en) * | 1987-09-04 | 1989-03-08 | Idemitsu Kosan Company Limited | Traction drive fluid |
EP0620267A1 (en) * | 1993-04-09 | 1994-10-19 | Idemitsu Kosan Company Limited | Lubricating oil composition |
EP0712923A1 (en) * | 1994-11-15 | 1996-05-22 | The Lubrizol Corporation | Lubricants and fluids containing thiocarbamates and phosphorus esters |
EP0719851A2 (en) * | 1994-12-27 | 1996-07-03 | Asahi Denka Kogyo Kabushiki Kaisha | Lubricating oil composition |
DE19654071A1 (en) * | 1996-12-23 | 1998-06-25 | Buna Sow Leuna Olefinverb Gmbh | Colourless insulating and heat transfer oil free from organic and inorganic chlorine, prepared from industrial by-product |
WO2002097016A1 (en) * | 2001-05-29 | 2002-12-05 | Idemitsu Kosan Co., Ltd. | Lube base oil composition |
WO2003064569A1 (en) * | 2002-01-31 | 2003-08-07 | Exxonmobil Research And Engineering Company | Lubricating oil compositions for internal combustion engines with improved wear performance |
WO2004026998A1 (en) * | 2002-09-18 | 2004-04-01 | Idemitsu Kosan Co., Ltd. | Traction drive fluid compositions |
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GB2582502A (en) * | 2017-11-30 | 2020-09-23 | Axalta Coating Systems Gmbh | Systems for applying coating compositions utilizing a high transfer efficiency applicator and corresponding methods |
KR102455293B1 (en) * | 2021-06-15 | 2022-10-18 | 주식회사 비에스텍 | Method of manufacturing combusition improving composition having metaborate fineparticle |
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US8299005B2 (en) | 2006-05-09 | 2012-10-30 | Exxonmobil Research And Engineering Company | Lubricating oil composition |
CN108165354B (en) * | 2018-02-08 | 2021-01-15 | 河北大泽科技发展有限公司 | Lubricating oil lubricating grease and processing method thereof |
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EP0230920A3 (en) * | 1986-01-23 | 1988-03-16 | Idemitsu Kosan Company Limited | Fluid for traction drive |
EP0280260A2 (en) * | 1987-02-27 | 1988-08-31 | Idemitsu Kosan Company Limited | Lubricating oil composition |
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EP0291006A3 (en) * | 1987-05-14 | 1989-01-25 | Idemitsu Kosan Company Limited | Lubricating oil composition having improved temperature characteristics |
EP0305807A3 (en) * | 1987-09-04 | 1989-08-23 | Idemitsu Kosan Company Limited | Traction drive fluid |
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EP0305807A2 (en) * | 1987-09-04 | 1989-03-08 | Idemitsu Kosan Company Limited | Traction drive fluid |
EP0620267A1 (en) * | 1993-04-09 | 1994-10-19 | Idemitsu Kosan Company Limited | Lubricating oil composition |
US5460741A (en) * | 1993-04-09 | 1995-10-24 | Idemitsu Kosan Co., Ltd. | Lubricating oil composition |
EP0712923A1 (en) * | 1994-11-15 | 1996-05-22 | The Lubrizol Corporation | Lubricants and fluids containing thiocarbamates and phosphorus esters |
US5843873A (en) * | 1994-11-15 | 1998-12-01 | The Lubrizol Corporation | Lubricants and fluids containing thiocarbamates and phosphorus |
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EP0719851A3 (en) * | 1994-12-27 | 1996-08-21 | Asahi Denka Kogyo Kk | Lubricating oil composition |
EP0719851A2 (en) * | 1994-12-27 | 1996-07-03 | Asahi Denka Kogyo Kabushiki Kaisha | Lubricating oil composition |
DE19654071A1 (en) * | 1996-12-23 | 1998-06-25 | Buna Sow Leuna Olefinverb Gmbh | Colourless insulating and heat transfer oil free from organic and inorganic chlorine, prepared from industrial by-product |
WO2002097016A1 (en) * | 2001-05-29 | 2002-12-05 | Idemitsu Kosan Co., Ltd. | Lube base oil composition |
US7015178B2 (en) | 2001-05-29 | 2006-03-21 | Idemitsu Kosan Co., Ltd. | Lube base oil composition |
WO2003064569A1 (en) * | 2002-01-31 | 2003-08-07 | Exxonmobil Research And Engineering Company | Lubricating oil compositions for internal combustion engines with improved wear performance |
WO2004026998A1 (en) * | 2002-09-18 | 2004-04-01 | Idemitsu Kosan Co., Ltd. | Traction drive fluid compositions |
US7956226B2 (en) | 2002-09-18 | 2011-06-07 | Idemitsu Kosan Co., Ltd | Traction drive fluid compositions |
WO2010130841A3 (en) * | 2009-05-15 | 2011-07-21 | Sweden Green Tech Energy Ab | A fuel component comprising organic compounds containing at least two ring structures with 4-9 atoms in each ring |
GB2582502A (en) * | 2017-11-30 | 2020-09-23 | Axalta Coating Systems Gmbh | Systems for applying coating compositions utilizing a high transfer efficiency applicator and corresponding methods |
GB2582502B (en) * | 2017-11-30 | 2022-09-21 | Axalta Coating Systems Gmbh | Systems for applying coating compositions utilizing a high transfer efficiency applicator and corresponding methods |
KR102455293B1 (en) * | 2021-06-15 | 2022-10-18 | 주식회사 비에스텍 | Method of manufacturing combusition improving composition having metaborate fineparticle |
Also Published As
Publication number | Publication date |
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EP0208541A3 (en) | 1988-05-18 |
EP0208541B1 (en) | 1991-12-04 |
DE3682715D1 (en) | 1992-01-16 |
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