CN103890153A - Lubricants with improved seal compatibility - Google Patents
Lubricants with improved seal compatibility Download PDFInfo
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- CN103890153A CN103890153A CN201280052546.0A CN201280052546A CN103890153A CN 103890153 A CN103890153 A CN 103890153A CN 201280052546 A CN201280052546 A CN 201280052546A CN 103890153 A CN103890153 A CN 103890153A
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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
- C10M141/06—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 nitrogen-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
- 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
- C10M129/04—Hydroxy compounds
- C10M129/10—Hydroxy compounds having hydroxy groups bound to a carbon atom of a six-membered aromatic ring
-
- 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
- C10M133/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen
- C10M133/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing nitrogen having a carbon chain of less than 30 atoms
- C10M133/04—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M133/12—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to a carbon atom of a six-membered aromatic ring
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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
- 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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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
- C10M2203/102—Aliphatic fractions
- C10M2203/1025—Aliphatic fractions used as base material
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
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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
- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/36—Seal compatibility, e.g. with rubber
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- 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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Abstract
The present invention relates to lubricating compositions and particularly gear oil compositions that include a minimum level of a specific antioxidant component, where the antioxidant component includes (i) a phenolic antioxidant, (ii) an aminic antioxidant, or (iii) a combination thereof, where the antioxidant component is present in the lubricating composition at from 1.0 percent by weight or higher. Such compositions provide surprisingly good seal compatibility.
Description
Invention field
The present invention relates to the lubricating composition of the special antioxidant ingredients that comprises minimum content, particularly gear oil composition, wherein antioxidant ingredients comprises (i) phenol antioxidant, (ii) amine antioxidants or (iii) its combination, and wherein antioxidant ingredients is with 1.0 % by weight or higher being present in lubricating composition.This based composition provides surprising excellent sealing consistency compared with having the composition of other triazole and/or optional additive.
background of invention
In many industrial application, lubricating composition contacts with the sealing in their equipment of use.Sealing is made up of various materials, comprises nitrile-divinyl rubber (NBR), because its lower cost and high availability, and fluorinated elastomer, siloxanes and polycarbonate.Importantly lubricating composition used has good seal compatibility, otherwise sealing pass by time and be deteriorated to the degree that their lost efficacy, and causes escape of liquid, raising maintenance cost, longer equipment downtime, and the risk of equipment damage even.
Sealing, those that particularly use prepared by NBR are being pass by and loss in time under even normal operational condition.Particularly high temperature may endanger some sealings very much.In other cases, attacked by the chemical additive component of some lubricating compositions, comprise those that are usually used in industrial application, comprise that some extreme pressure agent are if olefine sulfide, rust-preventive agent are if aminated compounds, anti-wear agent are as phosphoric acid salt, phosphite, phosphoric acid ester and phosphate amine salt.In some cases, even base oil itself may be attacked sealing material, comprises NBR.
Still need industrial lubrication composition that required equipment performance and protection can be provided, but therefore also protection sealing invasion and attack or deteriorated reduce lubricant leakage risk, stop time and final equipment damage or inefficacy.
Special wind turbine representative requires the industrial application of the lubricating composition with excellent sealing consistency.Wind turbine has attracted more interest as optional renewable energy resources source, because they are by becoming electric energy to produce electricity clean wind energy transformation.The wheel casing being usually located between rotor and the generator of wind turbine requires lubricant.High moment of torsion has applied a large amount of stress on the gear in the wheel casing of these wind turbines and bearing, and lubricating composition is proposed to high performance requirements.In addition, wheel casing is arranged in the gondola that wind turbine is above the ground level, and this device itself is conventionally in remote areas.Therefore, wheel casing can not or only realize with large cost and difficulty the long life that makes to have limited maintenance conventionally.Expection has improved seal compatibility but still provides the lubricating composition of favorable lubricating property to reduce the maintenance and the stop time that cause due to the sealing of losing efficacy.Therefore, need to there is improved seal compatibility and the lubricating composition of favorable lubricating property is still provided in wind turbine and similar application.
summary of the invention
The invention provides to comprise and there is the oil of lubricant viscosity and the industrial lubrication composition of antioxidant ingredients, described antioxidant ingredients comprises: (i) phenol antioxidant, (ii) amine antioxidants, or (iii) its combination, wherein antioxidant ingredients is with 0.4 % by weight or higher, in other embodiments, 1.0 % by weight or higher being present in lubricating composition.
Phenol antioxidant can be present in lubricating composition with at least 0.2,0.4,0.5 or at least 1.0 % by weight, and amine antioxidants can be present in lubricating composition with at least 0.2,0.4,0.5 or at least 1.0 % by weight.
The invention provides described composition, the oil wherein with lubricant viscosity comprises mineral base oil, and the oil wherein with lubricant viscosity comprises synthetic base oil, even wherein has the combination that the oil of lubricant viscosity comprises mineral base oil and synthetic base oil.In some embodiments, the oil base with lubricant viscosity does not originally contain, or not even containing synthetic ester base oil.
The invention provides the method for oilgear device, described method comprises to feeding to comprise in described device having the oil of lubricant viscosity and the lubricating composition of antioxidant ingredients, described antioxidant ingredients comprises: (i) phenol antioxidant, (ii) amine antioxidants, or (iii) its combination, wherein antioxidant ingredients is with 0.4,0.5 or 1.0 % by weight or higher being present in lubricating composition.Any of antioxidant ingredients described herein can be used in these class methods.
The invention provides described antioxidant ingredients using minimum desired content as seal protection agent at lubricating composition, comprise the purposes for the lubricating composition of industrial application.The present invention even more specifically provides wind turbine and requires antifatigue and other application of anti-micro-spot corrosion preparaton, and even has the application that strict seal consistency requires.
The present invention further provides composition described herein, method and purposes whole, wherein said lubricant comprises demulsifying compound, the combination that wherein said lubricant comprises demulsifying compound and olefine sulfide, wherein said lubricant comprises substituted triazole and replaces the combination of thiadiazoles, wherein said lubricant does not contain or even completely contains dithiophosphates substantially, comprise zinc dialkyl dithiophosphate, wherein said lubricant does not contain or even completely contains parlkaline containing metal purification agent substantially, wherein said lubricant does not contain or even completely contains zinc substantially, or its any combination.
detailed Description Of The Invention
Set forth and describe each feature of the present invention and embodiment below by indefiniteness.
The invention provides to comprise and there is the oil of lubricant viscosity and the industrial lubrication composition of antioxidant ingredients, described antioxidant ingredients comprises: (i) phenol antioxidant, (ii) amine antioxidants, or (iii) its combination, wherein antioxidant ingredients is with 1.0 % by weight or higher being present in lubricating composition.
there is the oil of lubricant viscosity
A kind of component of the present composition is the oil with lubricant viscosity, and for lubricant compositions, it to be mainly to measure and to exist, or for enriched material, exists with enriched material formation volume.
Suitable oil comprises natural and ucon oil and composition thereof.Preparing completely in lubricant, there is the oil of lubricant viscosity conventionally mainly to measure (amount that is greater than 50 % by weight) existence.Conventionally, have the oil of lubricant viscosity with the 75-95 % by weight of total composition, the amount that is conventionally greater than 80 % by weight exists.Base oil component forms 100 weight parts (pbw) of total composition conventionally, and wherein the pbw scope of other component provides with this 100pbw base oil in concept.In other embodiments, provide various components, comprise the pbw scope of base oil, the pbw summation that makes all components is 100, and therefore pbw value is equivalent to % by weight value.Can adopt in any way about the pbw scope that hereinafter described each component provides, but, in most embodiment, read them to be equivalent to % by weight value.
The oil with lubricant viscosity can comprise natural and synthetic oil, derived from hydrocracking, hydrogenation and hydrorefined oil, and not refining, refining and refining oil or its mixture.Refining oil is not without (or only little) further purification processes, those that are directly obtained by natural or synthetic source.Refining oil is similar to not refining oil, and different is they further to be processed to improve one or more performances in one or more purification step.Purification techniques is as known in the art, comprises solvent extraction, second distillation, acid or alkali extraction, filtration, diafiltration etc.Refining oil is also referred to as regeneration or reprocessed oils again, and by being similar to that those method for obtaining refining oil obtains and conventionally processing in addition by the technology that is intended to remove useless additive and oil decomposition product.
Comprise animal oil as the oily natural oil with lubricant viscosity, vegetables oil (for example Viscotrol C, lard), mineral lubricating oils, the solvent treatment of for example liquid petroleum and paraffinic hydrocarbons, naphthenic hydrocarbon or combination chain alkane-naphthenic type or acid treatment mineral lubricating oils, with the oil derived from coal or shale, or its mixture.
The synthetic oil with lubricant viscosity comprises hydrocarbon ils, for example polymerization and copolyolefine (for example polybutene, polypropylene, propylene isobutylene copolymers); Poly-(1-hexene), poly-(1-octene), poly-(1-decene) and composition thereof; Alkylbenzene (for example dodecylbenzene, Tetradecylbenzene, dinonyl benzene, two-(2-ethylhexyl) benzene); Polyphenyl (for example biphenyl, terphenyl, alkylation polyphenyl); Alkylation phenyl ether and alkylation diphenyl sulfide and derivative, analogue and homologue.
Other synthetic oil with lubricant viscosity comprises and is different from polyol ester, the dicarboxylic ester of alkyl end-blocking polyoxyalkylene polyol as disclosed herein, liquid ester (for example Tritolyl Phosphate, the tricresyl phosphate octyl group ester of phosphoric acid, diethyl ester with decane phosphonic acids), or polytetrahydrofuran.The conventional synthetic oil with lubricant viscosity also comprises those that prepare by fischer-tropsch reaction, can be Fischer-Tropsch hydrocarbon or the wax of hydroisomerization conventionally.In one embodiment, having the oil of lubricant viscosity can be by Fischer-Tropsch gas to liquid synthesis program preparation and other gas to liquid oil.
The oil with lubricant viscosity can further define as described in American Petroleum Institute (API) Base Oil Interchangeability Guidelines.5 groups of base oils are as follows: group I (sulphur content >0.03 % by weight, and/or <90 % by weight saturates, viscosity index 80-120); Group II (sulphur content≤0.03 % by weight and >=90 % by weight saturatess, viscosity index 80-120); Group III (sulphur content≤0.03 % by weight and >=90 % by weight saturatess, viscosity index >=120); Group IV (all polyalphaolefin PAO, for example PAO-2, PAO-4, PAO-5, PAO-6, PAO-7 or PAO-8); With group V.The oil with lubricant viscosity comprises API group I, group II, group III, group IV, group V oil or its mixture.In one embodiment, the oil that has a lubricant viscosity is API group I, group II, group III, group IV oil or its mixture.As selection, the oil with lubricant viscosity is generally API group II, group III or group IV oil or its mixture.
The oil described in various with lubricant viscosity can be used alone or in combination.There is the oil of lubricant viscosity with approximately 70 to approximately 99 % by weight of lubricant, in another embodiment, approximately 75 to approximately 98 % by weight, in another embodiment, approximately 88 to approximately 97 % by weight are used.
In some embodiments, lubricating oil component of the present invention comprises group II or group III base oil, or its combination.These are the classification of being set up by API (American Petroleum Institute).Group III oil comprises <0.03% sulphur and >90% saturates and has the viscosity index of >120.Group II oil has the viscosity index of 80-120 and comprises <0.03% sulphur and >90% saturates.Oil also can be derived from wax as the hydroisomerization of slack wax or Fischer-Tropsch synthetic wax.This class " gas is to liquid " oil is characterized by group III conventionally.
The present composition can comprise the group I base oil of a tittle, and even organizes IV and group V base oil.Polyalphaolefin classifies as group IV.Group V comprises " all other base oils ".But in some embodiments, lubricating oil component of the present invention comprises no more than 20,10,5 or even 1 % by weight group I base oil.These limit are also applicable to group IV or group V base oil.In other embodiments, the lubricating oil being present in the present composition is at least 60,70,80,90 or even 95 % by weight group II and/or group III base oil.In some embodiments, the lubricating oil being present in the present composition is substantially only group II and/or group III base oil, wherein can exist on a small quantity, but not be the base oil of other type of the performance of remarkably influenced total composition or the amount of behavior.
In some embodiments, the group I that the present composition comprises a tittle and/or group II base oil.In other embodiments, the present composition is that the oil wherein with lubricant viscosity is mainly group I and/or organizes II base oil, or is group I and/or group II base oil even substantially, or is even only group I and/or the lubricating composition of organizing II base oil.
In some embodiments, the group I base oil that the present composition comprises a tittle.In other embodiments, the present composition is that the oil wherein with lubricant viscosity is mainly group I base oil, or is group I base oil even substantially, or is even only the lubricating composition of group I base oil.
In some embodiments, the group II base oil that the present composition comprises a tittle.In other embodiments, the present composition is that the oil wherein with lubricant viscosity is mainly group II base oil, or is group II base oil even substantially, or is even only the lubricating composition of group II base oil.
In some embodiments, the oil that has a lubricant viscosity can exist with the 60-99.9 of lubricating oil composition, 88.5-99.6,96.9-99.5 or 98.2-99.4 % by weight.The above-mentioned oil respectively with lubricant viscosity can be separately or is used as its one or more mixture.
antioxidant ingredients
The special antioxidant ingredients that the present invention requires described lubricant compositions to comprise minimum content.Antioxidant ingredients comprises: (i) phenol antioxidant, (ii) amine antioxidants, or (iii) its combination.Antioxidant ingredients must be present in described lubricating composition with 0.4,0.5 minimum or 1.0 % by weight or higher minimum.
The suitable phenol antioxidant can be used in the present invention comprises the fortified phenol that contains at least one alkyl substituent.In some embodiments, phenol antioxidant comprises nonnitrogenous and is ashless compound.In some embodiments, phenol antioxidant comprises and contains at least 2 substituent fortified phenols of branched-alkyl.In some embodiments, phenol antioxidant comprises and contains at least 2 branched-alkyl substituting groups and further contain containing the substituent fortified phenol of ester.
Phenol antioxidant can comprise containing and occupies being the alkyl at ortho position, being two alkyl at ortho position or the sterically hindered phenol of its mixture with hydroxyl with hydroxyl on 2 and 6 of phenol ring.Alkyl can comprise 1-24 carbon atom, in other cases, and a 3-18 and 3-12 carbon atom.Alkyl can be linear, branching, comprises tertiary alkyl, or its mixture.Sterically hindered phenol also can comprise one or more other alkyl and/or one or more alkyl as propionic ester group.Useful sterically hindered phenol can comprise o-alkylated benzenes phenolic compound, for example 2,6-DI-tert-butylphenol compounds, 4-methyl-2,6-bis--tert.-butyl phenol, 2,4,6-tri-butyl-phenol, 2-TBP, 2,6-diisopropyl phenol, 2-methyl-6-tert-butylphenol, 2,4 dimethyl 6 tert butyl phenol, 4-(N, N-dimethylaminomethyl)-2,6-bis--tert.-butyl phenol, 4-ethyl-2,6-bis--tert.-butyl phenol and analogue thereof and homologue.The mixture of two or more these class monokaryon oxybenzene compounds is also suitable.
In one embodiment of the invention, sterically hindered phenol can be expressed from the next:
Wherein R
4for containing the alkyl of 1-24 carbon atom, and a integer that is 1-5.In some embodiments, R
4comprise 4-18 carbon atom, or 4-12 carbon atom even.R
4can be straight or branched, in some embodiments, for side chain.The value of a can be 1-4,1-3, or 2, or 3.In some embodiments, phenol is the butyl fortified phenol that contains 2 or 3 tertiary butyls.In some embodiments, a R
4group is positioned on 4 on ring and for hydrogen, alkyl are as methyl, ethyl or dodecyl.In in these embodiments any, when a is 2 and the tertiary butyl while occupying the 2-of phenol and 6, phenol be extremely steric hindrance and there is following structure:
In one embodiment of the invention, sterically hindered phenol is expressed from the next:
Wherein tertiary alkyl can have 4-8 carbon atom, and R
3for comprising the straight or branched alkyl of 2-22,2-8, a 2-6 carbon atom or even proper 4 carbon atoms.R
3be desirably 2-ethylhexyl or normal-butyl.The ester fortified phenol being obstructed can be prepared by 2,6-dialkyl group phenol and acrylate are heated under as moisture KOH in base catalysis condition suc as formula those of (III), as described in international application No.WO01/74978.In another embodiment of the present invention, sterically hindered phenol is that alkylphenol is if the alkylation reaction product of 4-dodecylphenol and iso-butylene is to form the product that comprises two-tert-butylation alkylphenol.One embodiment of the invention is the sterically hindered phenol with two or more alkyl substituents, and described alkyl substituent comprises 1-24 carbon atom and occupies 2 and 6 of phenol ring.
Phenol antioxidant also can comprise the sterically hindered phenol oligopolymer of alkylidene group or alkylidene coupling.Coupling sterically hindered phenol oligopolymer can comprise two or more phenol rings, and wherein each ring is occupied as 3,5-, bis--tertiary butyl-4-hydroxy benzyl as methyl or the tertiary butyl or aralkyl by alkyl on 2-, 4-and 6.Alkylidene group or alkylidene coupling group can be methylene radical and ethylidene respectively.Alkyl can have 1-24 carbon atom, in other cases, can have a 3-18 and 3-12 carbon atom.Alkyl can for linear, branching to comprise tertiary alkyl, or its mixture.Coupling sterically hindered phenol oligopolymer can comprise the mixture of two or more oligopolymer, the phenol ring that wherein each oligopolymer comprises different numbers.In oligopolymer, the coupling of phenol ring can be at adjacent ring position, to ring position or neighbour with on to the mixture of ring position.
In one embodiment of the invention, phenol antioxidant is the coupling alkylphenol that can be expressed from the next:
Wherein R
5tertiary alkyl for comprising 4 to approximately 8 carbon atoms independently of one another, X, Y and Z are hydrogen or alkyl independently of one another, R
6be alkylidene group or alkylidene independently of one another, and n is 0 to approximately 4 number.Radicals R
5be necessary for separately tertiary alkyl.Tertiary alkyl has general structure:
Wherein J, K and L respectively do for oneself and have the alkyl of 1-4 carbon atom.Typical tertiary alkyl is the tertiary butyl, tert-pentyl, tertiary hexyl and tertiary octyl group.R
5group can be identical or different.In some embodiments, all R
5being all identical, in other embodiments again, is all the tertiary butyl.R
6be divalent group independently of one another, for example alkylidene group or alkylidene.These groups can be replaced as alkyl and aryl by each alkyl for example.Proper group R
6representative instance be the methylene radical that replaces of methylene radical, ethylidene, propylidene, phenyl, methyl substituted methylene radical, methyl substituted ethylidene etc.Conventionally R
6each self-contained 1 to approximately 10 carbon atom, or 1 to approximately 3 carbon atom.In one embodiment, R
6for the methylene radical of phenyl replacement.In another embodiment, the methylene radical of respectively doing for oneself, i.e. formula – CH
2-group.X, Y and Z are hydrogen or alkyl independently of one another.These groups can be identical or different.In one embodiment, X, Y and Z are aliphatic hydrocarbyl independently.Therefore, each self-contained at least one carbon atom of these groups, but can comprise more carbon atoms.In other embodiments again, they comprise 1 to approximately 500 carbon atom, 4 to approximately 100 carbon atoms or even approximately 4 to approximately 30 carbon atoms.
In one embodiment of the invention, phenol antioxidant is the methylene-coupled oligopolymer of sterically hindered phenol, for example 4,4 '-methylene-bis (the 6-tertiary butyl-2-methylphenol), 4,4 '-methylene-bis (2-tert-pentyl-6-methylphenol), 2,2 '-methylene-bis (4-methyl-6-tert-butylphenol), 4,4 '-methylene-bis (2,6-, bis--tert.-butyl phenol) and similar compound.In one embodiment of the invention, the methylene-coupled oligopolymer of sterically hindered phenol is 2,2 '-methylene-bis (the 6-tertiary butyl-4-4-dodecylphenol), and as U.S. Patent No. 6,002,051 about described in its preparation and purposes.
The suitable amine antioxidants can be used in the present invention comprises alkarylamine, and in some embodiments, amine antioxidants is alkyl phenyl amine.Suitable example comprises two (4-alkyl phenyl) amine.
Amine antioxidants can comprise the secondary aromatic amine that comprises an aryl, two aryl or its mixture, conventionally monoamine.One embodiment of the invention is the secondary aromatic amine that comprises an aryl, for example methylphenylamine.The secondary aromatic amine that comprises an aryl also can have the C on aryl
1-C
16alkyl or aralkyl substituting group.In another embodiment of the present invention, secondary aromatic amine can be diaryl-amine, for example pentanoic, N-phenyl-1-naphthylamine or its combination.Diaryl-amine can comprise 1,2 or more alkyl and/or aralkyl substituting group.Alkyl and aralkyl substituting group can have 1-16 carbon atom, in other cases, can have a 3-14 and 4-12 carbon atom.Alkyl and aralkyl substituting group can be linear, branching or its mixture.In one embodiment of the invention, diaryl-amine is the alkylated diphenylamine that can be expressed from the next:
R
7-C
6H
4-NH-C
6H
4-R
8(VI)
Wherein R
7and R
8be hydrogen or the alkyl that comprises 1-24 carbon atom independently.The pentanoic of formula (VI) can be the mixture of pentanoic and monoalkylation and dialkylated diphenylamine.R
7and/or R
8it can be the alkyl that comprises 4-20 carbon atom.In another embodiment of the present invention, the alkylation that the pentanoic of formula (VI) is known by use is prepared the alkylation of pentanoic nonene.Alkylation diaryl-amine is also commercially available.
Antioxidant ingredients must be present in composition with at least 1.0 % by weight.This processing rate is about final lubricant compositions used in mechanism, but also applicable to additive-package and enriched material, then its logical common oil is diluted to produce final lubricant.% by weight discussed herein is about total lubricant compositions.In the time that mensuration antioxidant ingredients is present in the % by weight in composition, conventionally do not consider to be present in any thinner in antioxidant ingredients.In addition, in the time that mensuration antioxidant ingredients is present in the % by weight in composition, can get rid of any material that is different from phenols described herein and amine antioxidants in antioxidant ingredients, make discussed % by weight value be only applicable to phenols and amine antioxidants.
Also point out, in some embodiments, antioxidant ingredients comprises one or more phenol antioxidant and does not comprise amine antioxidants.In other embodiments, antioxidant ingredients comprises one or more amine antioxidantss and does not comprise phenol antioxidant.In other embodiments again, the combination that antioxidant ingredients comprises one or more amine antioxidantss and one or more phenol antioxidant.
In some embodiments, phenol antioxidant is present in lubricating composition with at least 0.5 % by weight, and amine antioxidants is present in lubricating composition with at least 0.5 % by weight.In some embodiments, phenol antioxidant is present in lubricating composition with at least 1.0 % by weight and amine antioxidants is present in lubricating composition with at least 1.0 % by weight or 0.5 % by weight.
other additive
Lubricating composition of the present invention optionally comprises one or more other additives, the group of the optional self-contained following additive of described other additive: defoamer, demulsifying compound, pour point reducer, be different from above-mentioned those antioxidant, dispersion agent, metal passivator (for example copper passivator), anti-wear agent, extreme pressure agent, viscosity modifier or its mixture.Optional additives can exist with 0.0005-1.3,0.00075-0.5,0.001-0.4 or the 0.0015-0.3 % by weight of lubricating oil composition separately.But, should be understood that some optional additives, comprise that viscosity modified polymkeric substance can be used as a part that is selectively considered to base fluids, in the time considering to separate with base fluids, can be with higher amount, comprise that 30,40 or even 50 % by weight exist at the most.Optional additives can be used separately or with its mixture.
Be as known in the art also referred to as the defoamer of suds suppressor, include but not limited to organo-siloxane and non-silicon suds suppressor.The example of organo-siloxane comprises dimethyl siloxane and polysiloxane.The example of non-silicon suds suppressor includes but not limited to polyethers, polyacrylic ester and composition thereof, and the multipolymer of ethyl propenoate, 2-EHA and optional vinyl-acetic ester.In some embodiments, defoamer is polyacrylic ester.Defoamer can with 0.001-0.012 or 0.004pbw or even 0.001-0.003 be present in composition.
Demulsifying compound is as known in the art, includes but not limited to the derivative, ethylene oxide, polyoxygenated enol, alkylamine, amino alcohol of propylene oxide, sequentially with ethylene oxide or replace diamines or the polyamines that ethylene oxide reacts, or its mixture.The example of demulsifying compound comprises polyoxyethylene glycol, polyoxyethylene, polyoxytrimethylene, (ethylene oxide-propylene oxide) polymkeric substance, comprises the segmented copolymer of ethylene oxide and propylene oxide, and composition thereof.In some embodiments, demulsifying compound is polyethers.Demulsifying compound can be present in composition with 0.002-0.012pbw.
Pour point reducer is as known in the art, includes but not limited to the ester of maleic anhydride-styrene copolymers; Polymethacrylate; Polyacrylic ester; Polyacrylamide; The condensation product of halogenated alkane chloroflo and aromatic substance; Carboxylic acid vinyl ester polymer; With the trimer of dialkyl fumarate, vinyl fatty ester, vinyl-vinyl acetate copolymer, alkylphenol formaldehyde condensation resins, alkyl vinyl ether and composition thereof.
The present composition also can comprise rust-preventive agent.Suitable rust-preventive agent comprises alkyl amine salt, aliphatic carboxylic acid or its ester of alkyl amine salt, the alkyl aromatic hydrocarbons sulfonic acid of alkyl amine salt, the dialkyl dithiophosphoric acid of alkylphosphonic acid carboxylic acid, ester, ammonium sulphonate, tetrahydroglyoxaline, single thiophosphate salt or ester containing nitronic acid, or its any combination; Or its mixture.
The alkyl amine salt of the suitable alkylphosphonic acid carboxylic acid of the present invention is expressed from the next:
Wherein R
21and R
22be hydrogen, alkyl chain or alkyl independently, in some embodiments, R
21and R
22in at least one be alkyl.R
21and R
22containing having an appointment 4 to approximately 30, approximately 8 to approximately 25 or even approximately 8 or 10 to approximately 20 or even 13 to approximately 19 carbon atoms.R
23, R
24and R
25be hydrogen independently, have approximately 1 to approximately 30, in other embodiments, approximately 4 to approximately 24 or even approximately 6 to approximately 20, in some embodiments, branched-alkyl or the linear alkyl chain of approximately 8 or 10 to approximately 16 carbon atoms.R
23, R
24and R
25be hydrogen, branched-alkyl or linear alkyl chain independently, in some embodiments, R
23, R
24and R
25in at least one or even two be hydrogen, and further R wherein
23, R
24and R
25in at least one be the alkyl that comprises at least 8 carbon atoms.
Be suitable for R
23, R
24and R
25the example of alkyl include but not limited to butyl, sec-butyl, isobutyl-, the tertiary butyl, amyl group, n-hexyl, Sec-Hexyl, n-octyl, 2-ethyl, hexyl, ethyl-hexyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, vaccenic acid base, nonadecyl, eicosyl or its mixture.
In one embodiment, the alkyl amine salt of alkylphosphonic acid carboxylic acid is C
14-C
18the reaction product of alkylation phosphoric acid and Primene81R (by Rohm & Haas production and selling), wherein Primene81R is C
11-C
14the mixture of primary t-alkyl-amine.
The alkyl amine salt that is used for the dialkyl dithiophosphoric acid of the present invention of rust-preventive agent bag is expressed from the next:
Wherein R
26and R
27be branching or linear alkyl independently.R
26and R
27comprise approximately 3 to approximately 30, or approximately 4 to approximately 25, or approximately 5 to approximately 20 or even approximately 6 to approximately 19 carbon atoms.R
23, R
24and R
25as hereinbefore defined.
The example of the alkyl amine salt of dialkyl dithiophosphoric acid of the present invention includes but not limited to the reaction product of diheptyl or dioctyl or dinonyl phosphorodithioic acid and quadrol, morpholine or Primene81R or its mixture.
In rust-preventive agent bag of the present invention, the alkyl amine salt of suitable alkyl aromatic hydrocarbons sulfonic acid used is expressed from the next:
Wherein Cy is benzene or naphthalene nucleus.R
28for having approximately 4 to approximately 30, or approximately 6 to approximately 25, or the alkyl of approximately 8 to approximately 20 carbon atoms.Z is 1,2,3 or 4 independently, and in some embodiments, z is 1 or 2.R
23, R
24and R
25as hereinbefore defined.
The example of the alkyl amine salt of alkyl aromatic hydrocarbons sulfonic acid of the present invention includes but not limited to the ethylenediamine salt of dinonylnaphthalene sulfonic acid.
Suitable aliphatic carboxylic acid or the example of its ester comprise glyceryl monooleate and oleic acid.The example of the suitable ester containing nitronic acid comprises oil base sarkosine.
Rust-preventive agent can exist with the 0.02-0.2 of lubricating oil composition, 0.03-0.15,0.04-0.12 or 0.05-0.1pbw.Rust-preventive agent of the present invention can use separately or with its mixture.
Lubricating composition of the present invention also can comprise metal passivator.Metal passivator is used for the catalytic effect with metal accelerating oxidation in lubricating oil.Suitable metal passivator includes but not limited to triazole, tolyl-triazole, thiadiazoles or its combination, with and derivative.Example comprises derivative, benzoglyoxaline, 2-alkyl dithio benzoglyoxaline, 2-alkyl dithio benzothiazole, the 2-(N of benzotriazole; N '-dialkyl dithio-formamyl) benzothiazole, 2; two (alkyl-dithio)-1 of 5-; 3; 4-thiadiazoles, 2, two (N, the N '-dialkyl dithio formamyls)-1 of 5-; 3,4-thiadiazoles, 2-alkyl dithio-5-dimercaptothiodiazole or its mixture.These additives can be with 0.01-0.25 % by weight for total composition.
In some embodiments, metal passivator is the benzotriazole cpd that alkyl replaces.The benzotriazole cpd with alkyl replacement comprises at least one in following ring position 1-or 2-or 4-or 5-or 6-or 7-benzotriazole.Alkyl can comprise approximately 1 to approximately 30, and preferably approximately 1 to approximately 15, more preferably from about 1 to approximately 7 carbon atom, most preferred metal passivator is 5-Methylbenzotriazole or its mixture using separately.
Metal passivator can exist with the 0.001-0.1 of lubricating oil composition, 0.01-0.04 or 0.015-0.03pbw.Metal passivator also can with 0.002 or 0.004-0.02pbw be present in composition.Metal passivator can use separately or with its mixture.
Also can exist and be different from above-mentioned those antioxidant, comprise the alkyl list sulfide of replacement.In some embodiments, the alkyl list sulfide of replacement comprises dodecyl-2-hydroxyethyl sulfide, 1-(uncle-dodecane sulfenyl)-2-propyl alcohol or its combination.In some embodiments, the alkyl list sulfide of replacement is 1-(uncle-dodecane sulfenyl)-2-propyl alcohol.
Also can there is dispersion agent, comprise: (i) polyetheramine; (ii) boration succinimide dispersants; (iii) non-boration succinimide dispersants; (iv) Mannich reaction products of dialkylamine, aldehyde and alkyl fortified phenol; Or its any combination.In some embodiments, dispersion agent component exists with the 0.05-0.5pbw of total composition.
The present invention further provides composition described herein, owning in method and purposes, wherein said lubricant comprises demulsifying compound, the combination that wherein said lubricant comprises demulsifying compound and olefine sulfide, the alkene that wherein said lubricant comprises solid cure, for example comprise the olefine sulfide of at least 20 % by weight sulphur, wherein said lubricant does not contain substantially, or even completely not containing non-solid cure alkene, for example comprise the olefine sulfide that is less than 20 % by weight sulphur, wherein said lubricant comprises substituted triazole and the combination that replaces thiadiazoles, wherein said lubricant does not contain substantially, or containing metal dialkyl dithiophosphate not even completely, wherein said lubricant does not contain substantially, or even completely not containing parlkaline containing metal purification agent, wherein said lubricant does not contain substantially, or even completely not containing zinc, or its any combination.
industrial application
The invention provides the method for preparing lubricating oil composition.Lubricating oil composition is prepared as follows: a) said components (comprise and have oil, the substituted triazole of lubricant viscosity and choose any one kind of them or the combination of multiple other additive) is mixed with each other and/or is dissolved.By material mixing until additive dissolve substantially or completely, in some embodiments, at 40-110 ℃, or 50-95 ℃ or even under the high temperature of 55-85 ℃; And mix 30 seconds to 24 hours, 2 minutes to 8 hours, or 5 minutes to 4 hours; And at 700-2000mm Hg, 750-900mm Hg, or under the pressure of 755-800mm Hg.
The order of addition of additive is excessively not limited.Optional additives can be used any in above-mentioned combination process to mix with other component simultaneously or in the time after a while.
In some embodiments, a part of oil or similar thinner exist and each component are sneaked in oil together with each component.In other embodiments, there is oil or the thinner of minimum, except the amount in additive that is present in inherently of its production and preparation device, and add other base oil after each component is mixed.Under any circumstance, described method produces lubricating composition.
In some embodiments, lubricating oil composition can be prepared by enriched material, comprise the steps: a) by all said components with except more optional in a small amount the minimum oil of existence and/or mixing diluents to allow rational handling property.Then gained enriched material can be used in the preparation of lubricating composition: enriched material is mixed with base oil or its mixture of significant quantity, produce final fluid.Can optional additives be added in enriched material or add in the final fluid of gained.These optional additives comprise above-mentioned any in those.In some embodiments, these optional additives comprise suds suppressor, demulsifying compound, viscosity modifier, pour point reducer or its mixture, and can add make they with approximately 0,0.01,0.1 or even 0.25 or at the most approximately 13,10,8 or even 6pbw be present in total composition.
In some embodiments, the present composition has 100-1000, or 100-460 or even 100 or the ISO viscosity of 150-320.In some embodiments, the present composition is not grease composition or engine oil composition.But these compositions can be industrial gear oil, wind turbine lubricant, bearing lubricant etc., in some embodiments, or even automotive gear oil.
specific embodiments
The present invention further sets forth by following examples, and described embodiment has described particularly advantageous embodiment.Although provide embodiment to set forth the present invention, they are not intended to limit it.
Following examples group for assessment of with relatively following additive: antioxidant A, alkylated phenol; With antioxidant B, alkarylamine.
For assessment additive, test embodiment in embodiment group below to assess their seal compatibility.Use NBR902 sealing, test sample is to check and approve the Flender-Siemens specification (F-S) about wind turbine, and it comprises for each sample, tests 1000 hours at 130 ℃.Under this specification, it is desirable to fluid and must obtain these results, comprise the changes in hardness that is not more than 5 points (5 to+5), from reducing by 2% to the % volume change that improves 5% (2% to+5%), the % stretching that is not more than 60% (60% maximum value) reduces and is not more than the % elongation reduction of 60% (60% maximum value).These specifications, particularly Flender-Siemens specification is very difficult to meet, even and be not only qualified, the relative improvement of the performance of comparing with conventional comparative example still can be considered to significant improvement.In fact, meet about at the most+7 changes in hardness, at the most+6% volume change or the sample of being down to the specification expection of-65% elongation change is still considered to meet this specification and by test, condition be in these fields only one outside normal acceptability limit.Allow by result about this secondary tolerance of one in evaluation, even if sample does not demonstrate all " only qualified " in ideal range of all assessed value.
But, as can be seen from the results, importantly consider the relative performance of sample, and be not only qualified underproof result.In the time considering Flender-Siemens specification (F-S) result of sample group and contrast relative performance, consider that the degree of sample acceptance or rejection may be helpful.Following key is for this object, and wherein best result is on the top of table, and the worst result is in bottom:
The result key of relative performance contrast
embodiment group 1
In group I (GI) base oil, prepare one group of embodiment.The identical conventional additives bag of the each self-contained same amount of embodiment, is suitable for sample and makes the lubricant in industrial gear application.Each sample is pushed up and processes to observe the impact of the material adding on preparaton performance with a kind of in above-mentioned antioxidant, especially about the impact of seal compatibility.
These embodiment separately in conventional additives the bag used mixture, defoamer, purification agent and the corrosion inhibitor that are called additive-package A and comprise metal passivator, demulsifying compound, rust-preventive agent, anti-wear agent and extreme pressure agent.Additive in additive-package A does not meet the requirement about antioxidant ingredients of the present invention.
Use above-mentioned identical test method test sample to assess their seal compatibility.Be summarized in following table from the test-results of embodiment group 1:
The result of table 1 – embodiment group 1 gathers
1-embodiment 1-1,1-5 and 1-9 are that the baseline of testing again for each group of sample under different treatment level repeats.These embodiment provide good baseline contrast, also demonstrate the repeatability of test simultaneously.
In 2-these embodiment, base oil used is API group I base oil.
Result shows that the embodiment of the present invention provides improved seal compatibility compared with comparative example in group I basigamy preparation.
embodiment group 2
In group II (GII) base oil, prepare one group of embodiment.Embodiment each self-contained and above-mentioned identical conventional additives bag in embodiment group 1.Use above-mentioned identical test method test sample to assess their seal compatibility.Be summarized in following table from the test-results of embodiment group 2:
the result of table 2 – embodiment group 2 gathers
1-embodiment 2-1 and 2-5 are that the baseline of testing again for each group of sample under different treatment level repeats.These embodiment provide good baseline contrast, also demonstrate the repeatability of test simultaneously.
In 2-these embodiment, base oil used is API group II base oil.
Result shows that the embodiment of the present invention provides improved seal compatibility in group II basigamy preparation.But, as can be seen from the results, importantly consider the relative performance of embodiment herein, and be not only qualified underproof result.
Although explained the present invention, be to be understood that, through reading this specification sheets, its each improvement can be understood by those skilled in the art.Therefore, be to be understood that invention disclosed herein is intended to contain the improvement belonging within the scope of appended claims.
In this manual, term as used herein " hydrocarbyl substituent " or " alkyl " use with its conventional meaning well known to those skilled in the art.Particularly, it refers to be mainly connected to by carbon with by carbon atom other atom or the group that hydrogen atom on molecule rest part forms and do not get rid of Shortcomings and have with impairment the ratio of the molecule of main hydrocarbon character.Conventionally, for every 10 carbon atoms, in alkyl, there are no more than 2, preferably no more than 1 non-hydrocarbon substituent; Conventionally in alkyl, there is not non-hydrocarbon substituent.The more specific definition of term " hydrocarbyl substituent " or " alkyl " is described in United States Patent (USP) 6,583, in 092.
By reference above-mentioned each file is attached to herein.Except in embodiment, or outside clearly stating in addition, all quantity of describing in this manual the amount, reaction conditions, molecular weight, carbonatoms etc. of material are to be understood that by wording " approximately " modifies.Except as otherwise noted, the listed all percentage ratio of this paper and preparaton value are based on weight.Except as otherwise noted, each chemical of mentioning herein or composition should be understood to contain isomer, by product, derivative and are conventionally to be understood that the commercial grade material that is present in other this class material in commercial grade.But except as otherwise noted, the scale of each chemical composition is shown to have got rid of and conventionally can be present in any solvent or the thinner in commercial materials.The upper and lower bound that is to be understood that amount described herein, scope and ratio can combine independently.Similarly, the scope of each element of the present invention can be used with amount together with the scope of any other element or amount.As described herein, the basis of composition and the material of new feature that comprise that substantial effect is not considered are allowed in statement " substantially by ... composition ".
Claims (16)
1. comprise and have the oil of lubricant viscosity and the industrial lubrication composition of antioxidant ingredients, described antioxidant ingredients comprises: (i) phenol antioxidant, (ii) amine antioxidants, or (iii) its combination;
Wherein antioxidant ingredients is with 1.0 % by weight or higher being present in lubricating composition.
2. according to the composition of claim 1, wherein phenol antioxidant is present in lubricating composition with at least 0.5 % by weight; And
Wherein amine antioxidants is present in lubricating composition with at least 0.5 % by weight.
3. according to the composition of any one in claim 1-2, wherein phenol antioxidant comprises the fortified phenol that contains at least one alkyl substituent.
4. according to the composition of any one in claim 1-3, wherein amine antioxidants comprises diaryl-amine.
5. according to the composition of any one in claim 1-4, the oil wherein with lubricant viscosity comprises mineral base oil.
6. according to the composition of any one in claim 1-4, the oil wherein with lubricant viscosity comprises synthetic base oil.
7. according to the composition of any one in claim 1-6, it further comprises: anti-wear agent, extreme pressure agent, friction improver, corrosion inhibitor, rust-preventive agent, metal passivator, borated dispersants, non-borated dispersants, purification agent, defoamer, viscosity index improver, viscosity modifier, antioxidant, pour point reducer, sealing swelling agent or its any combination.
8. the method for lubricated industrial wheelwork, it comprises to feeding to comprise in described device having the oil of lubricant viscosity and the lubricating composition of antioxidant ingredients, described antioxidant ingredients comprises: (i) phenol antioxidant, (ii) amine antioxidants, or (iii) its combination;
Wherein antioxidant ingredients is with 1.0 % by weight or higher being present in lubricating composition.
9. method according to Claim 8, wherein phenol antioxidant is present in lubricating composition with at least 0.5 % by weight; And
Wherein amine antioxidants is present in lubricating composition with at least 0.5 % by weight.
10. the method for any one according to Claim 8-9, wherein phenol antioxidant comprises the fortified phenol that contains at least one alkyl substituent.
The method of any one in 11. according to Claim 8-10, wherein amine antioxidants comprises diaryl-amine.
The method of any one in 12. according to Claim 8-11, the oil wherein with lubricant viscosity comprises mineral base oil.
The method of any one in 13. according to Claim 8-11, the oil wherein with lubricant viscosity comprises synthetic base oil.
The method of any one in 14. according to Claim 8-13, wherein lubricating composition further comprises: anti-wear agent, extreme pressure agent, friction improver, corrosion inhibitor, rust-preventive agent, metal passivator, borated dispersants, non-borated dispersants, purification agent, defoamer, viscosity index improver, viscosity modifier, other antioxidant, pour point reducer, sealing swelling agent or its any combination.
15. improve the method for the seal compatibility of industrial gear device lubricant, it comprises to adding in described lubricant compositions and comprises (i) phenol antioxidant, (ii) amine antioxidants, or (iii) antioxidant ingredients of its combination
Wherein antioxidant ingredients is with 1.0 % by weight or higher being present in lubricant.
The purposes of 16. antioxidant ingredients in the seal compatibility that improves industrial gear device lubricant, wherein antioxidant ingredients comprises (i) phenol antioxidant, (ii) amine antioxidants, or (iii) its combination;
Wherein antioxidant ingredients is with 1.0 % by weight or higher being present in lubricant.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161552123P | 2011-10-27 | 2011-10-27 | |
| US61/552,123 | 2011-10-27 | ||
| PCT/US2012/061767 WO2013063177A1 (en) | 2011-10-27 | 2012-10-25 | Lubricants with improved seal compatibility |
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| CN103890153A true CN103890153A (en) | 2014-06-25 |
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|---|---|
| US (1) | US20140296119A1 (en) |
| EP (1) | EP2771440A1 (en) |
| JP (1) | JP2014534315A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070232504A1 (en) * | 2006-03-31 | 2007-10-04 | Arjun Kumar Goyal | High performance lubricant containing high molecular weight aromatic amine antioxidant and low boron content dispersant |
| US20070298984A1 (en) * | 2004-08-18 | 2007-12-27 | The Lubrizol Corporation | Lubricant Compositions Containing Seal Conditioning Agents |
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| US6002051A (en) | 1992-10-16 | 1999-12-14 | The Lubrizol Corporation | Tertiary alkyl alkylphenols and organic compositions containing same |
| US6583092B1 (en) | 2001-09-12 | 2003-06-24 | The Lubrizol Corporation | Lubricating oil composition |
| US7928045B2 (en) * | 2006-02-28 | 2011-04-19 | Chemtura Corporation | Stabilizing compositions for lubricants |
| US20100009880A1 (en) * | 2006-09-28 | 2010-01-14 | Tahei Okada | Lubricating oil composition |
| EP2274408B1 (en) * | 2008-04-28 | 2012-10-17 | Dow Global Technologies LLC | Polyalkylene glycol-based wind turbine lubricant compositions |
| JP5604061B2 (en) * | 2009-06-22 | 2014-10-08 | 出光興産株式会社 | Grease composition |
| US8703682B2 (en) * | 2009-10-29 | 2014-04-22 | Infineum International Limited | Lubrication and lubricating oil compositions |
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2012
- 2012-10-25 CN CN201280052546.0A patent/CN103890153A/en active Pending
- 2012-10-25 CA CA2853369A patent/CA2853369A1/en not_active Abandoned
- 2012-10-25 WO PCT/US2012/061767 patent/WO2013063177A1/en active Application Filing
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- 2012-10-25 EP EP12784826.5A patent/EP2771440A1/en not_active Withdrawn
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| US20070298984A1 (en) * | 2004-08-18 | 2007-12-27 | The Lubrizol Corporation | Lubricant Compositions Containing Seal Conditioning Agents |
| US20070232504A1 (en) * | 2006-03-31 | 2007-10-04 | Arjun Kumar Goyal | High performance lubricant containing high molecular weight aromatic amine antioxidant and low boron content dispersant |
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| CA2853369A1 (en) | 2013-05-02 |
| SG11201401300RA (en) | 2014-06-27 |
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| US20140296119A1 (en) | 2014-10-02 |
| KR20140085538A (en) | 2014-07-07 |
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| EP2771440A1 (en) | 2014-09-03 |
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