CN101809129A - Functional fluid composition - Google Patents

Functional fluid composition Download PDF

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Publication number
CN101809129A
CN101809129A CN200880109063A CN200880109063A CN101809129A CN 101809129 A CN101809129 A CN 101809129A CN 200880109063 A CN200880109063 A CN 200880109063A CN 200880109063 A CN200880109063 A CN 200880109063A CN 101809129 A CN101809129 A CN 101809129A
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weight
dibasic alcohol
fluid composition
diol component
described fluid
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赵瑾
肯·L·布沙尔
蒂娜·M·基利伯鲁
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Dow Global Technologies LLC
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Dow Global Technologies LLC
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    • C10M107/00Lubricating compositions characterised by the base-material being a macromolecular compound
    • C10M107/20Lubricating compositions characterised by the base-material being a macromolecular compound containing oxygen
    • C10M107/30Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M107/32Condensation polymers of aldehydes or ketones; Polyesters; Polyethers
    • C10M107/34Polyoxyalkylenes
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    • C10M105/00Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
    • C10M105/08Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing oxygen
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    • C10M111/00Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential
    • C10M111/04Lubrication compositions characterised by the base-material being a mixture of two or more compounds covered by more than one of the main groups C10M101/00 - C10M109/00, each of these compounds being essential at least one of them being a macromolecular organic compound
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    • C10M169/00Lubricating 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
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    • C10M2201/00Inorganic compounds or elements as ingredients in lubricant compositions
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02Hydroxy compounds
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    • C10M2207/00Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/04Ethers; Acetals; Ortho-esters; Ortho-carbonates
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    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/104Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only
    • C10M2209/1045Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing two carbon atoms only used as base material
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    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/105Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only
    • C10M2209/1055Polyethers, i.e. containing di- or higher polyoxyalkylene groups of alkylene oxides containing three carbon atoms only used as base material
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10M2209/00Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/107Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106
    • C10M2209/1075Polyethers, i.e. containing di- or higher polyoxyalkylene groups of two or more specified different alkylene oxides covered by groups C10M2209/104 - C10M2209/106 used as base material
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10MLUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/042Amines, 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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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10NINDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02Pour-point; Viscosity index
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    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
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    • C10N2030/00Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08Resistance to extreme temperature
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    • C10N2040/00Specified use or application for which the lubricating composition is intended
    • C10N2040/08Hydraulic fluids, e.g. brake-fluids

Abstract

Fluid composition of the present invention comprises diol component, and described diol component comprises the mixture according to the dibasic alcohol of following formula, wherein, typically, R 2, R 3, R 4And R 5In at least one be alkyl.The physical properties of described composition comprises high dry type equilibrium reflux boiling point (ERBP), high wet type equilibrium reflux boiling point (WERBP), low temperature viscosity or their any combination.These compositions are particularly useful, and reason is that their physical properties (for example, WERBP, ERBP and low temperature viscosity) has met or exceeded the regulation for DOT 3,4 or 5 braking fluid.

Description

Functional fluid composition
Priority request
The application requires the rights and interests of the applying date of provisional application 60/976,010 (submitting on September 28th, 2007), and the content of this provisional application integral body by reference is combined in this.
Technical field
The present invention relates to the functional liquid in can be used for various application.Functional liquid of the present invention is particularly useful as hydraulic efficiency oil, for example be used for the braking fluid of automobile with Antilock brake system, stabilitrak or regeneration brake system, its have benefited from being used for unexpected motion (for example, braking suddenly) than low viscosity fluid and/or in cryogenic gratifying operation.
Background technology
Recently Kai Fa equipment electronics or automatically Antilock brake system, stabilitrak or regeneration brake system have produced demand to the high Performance Hydraulic Fluids (for example, braking fluid) with suitable physical and performance characteristics for example.Particularly, to having good low temperature viscosity, the high-performance braking fluid that meets or exceeds suitable minimum dry type equilibrium reflux boiling point (ERBP) and wet type equilibrium reflux boiling point (WERBP) temperature simultaneously exists tight demand.Up-to-date international standard about braking fluid is described below:
Table 1-DOT 3, DOT 4 and DOT 5 Brake Fluid Standard
Standard ??FMVSS?116,??SAE??1703,ISO,??4925 ??FMVSS?116,??SAE??1704 ??ISO?4925 ??FMVSS??116,ISO??4925 ??ISO?4925
Classification (FMVSS, SAE) ??DOT?3 ??DOT?4 ??DOT?5.1
Classification (ISO) Classification 3 Classification 4 Classification 5.1 Classification 6
??ERBP Minimum 205 ℃ Minimum 230 ℃ Minimum 205 ℃ Minimum 260 ℃ Minimum 250 ℃
Wet type ERBP (3.5% water/FMVSS 116) Minimum 140 ℃ Minimum 155 ℃ Minimum 155 ℃ Minimum 180 ℃ Minimum 165 ℃
Kinematic viscosity at-40 ℃ Maximum 1500cSt Maximum 1800cSt Maximum 1500cSt Maximum 900cSt Maximum 750cSt
Introduced a kind of exemplary arrangement that is used to provide this suitable functional liquid in exercise question is the U.S. Patent Application Publication of owning together 2007/0027039 of low viscosity functional liquid (Low Viscosity Functional Fluids), this U.S. Patent Application Publication 2007/0027039 is combined in this by reference for all purposes.Advantageously, have been found that by provide composition with relative these existing functional liquids new and or the functional liquid of alternative composition, can improve the required character of these existing functional liquids.And, have been found that this improvement can realize not causing under the remarkable condition of cost.Again further, in fact new constituent and existing composition or other alternative composition by using these functional liquids can reduce cost.
Summary of the invention
In one aspect, the present invention relates to a kind of functional fluid composition, described functional fluid composition comprises the diol component of about 50 weight % to about 100 weight %, and wherein said diol component comprises the dibasic alcohol of one or more formulas I:
(formula I)
Figure GPA00001073290000021
R wherein 1And R 6For hydrogen or contain the alkyl of 1 to 8 carbon atom or their mixture, and n is at least 1, described dibasic alcohol have n can be identical or different repeating unit, comprise at least one wherein R 2, R 3, R 4And R 5In at least one be the repeating unit that contains the alkyl of 1 to 8 carbon atom.
Feature in this respect of the present invention can further be a kind of or arbitrary combination in the following feature: the dibasic alcohol of one or more formulas I exists with the concentration based at least 5 weight % of the gross weight of diol component; The dibasic alcohol of one or more formulas I exists with the concentration based at least 15 weight % of the gross weight of diol component; R 6Be H; Definitely, (formula I's) R 2, R 3, R 4And R 5In one be the alkyl that contains 1 to 8 carbon atom, and all the other are H; (formula I's) R 2, R 3, R 4And R 5In at least two (for example, two, three or whole four) be the alkyl that contains 1 to 8 carbon atom, and all the other are H; Described diol component also comprises the dibasic alcohol of at least a formula III:
(formula III) R 1O (CH 2CH 2O) nR 6
R wherein 1And R 6For H or contain the alkyl of 1 to 8 carbon atom or their mixture, and n is at least 1 (for example, n is at least 3); The dibasic alcohol of formula I comprises at least one wherein R 2, R 3, R 4And R 5First repeating unit of H and at least one of respectively doing for oneself be R wherein 2, R 3, R 4And R 5In at least one (for example, one, two, three or four) respectively do for oneself second repeating unit of the alkyl that contains 1 to 8 carbon atom; The dibasic alcohol of one or more formulas I comprises the dibasic alcohol of formula IV:
(formula IV) R 1O (R 7O) nH
Wherein (i) n is at least 1 and R 7All be propyl group, or (ii) n is at least 2 and R 7Mixture for ethyl and propyl group; The dibasic alcohol of one or more formulas I comprises propylene glycol, ethylene glycol and 1,2-propylene glycol ether, or described both; Diol component comprises oxyalkylated polypropylene glycol, oxyalkylated polyoxyethylene glycol-propylene glycol, or described both; Diol component comprises the oxyalkylated dibasic alcohol of formula I and formula III:
(formula III) R 1O (CH 2CH 2O) nR 6
R wherein 1And R 6In at least one be alkyl with 1 to 8 carbon atom, wherein based on the gross weight of diol component, the concentration of oxyalkylated dibasic alcohol is greater than about 30 weight %; Described composition does not have the dibasic alcohol boric acid ester basically; Described composition comprises the mixed additive of about 0.1 weight % to the dibasic alcohol boric acid ester that comprises formula V of about 10 weight % and about 0.3 weight % to about 10 weight %:
(formula V)
Figure GPA00001073290000031
(formula V's) R wherein 1, R 2, R 3, R 4And R 5In each be H or contain the alkyl of 1 to 8 carbon atom or their mixture, n is 1 to 4, described mixed additive comprises inhibiter; The boric acid ester of n=3 is more than about 90 weight % of described boric acid ester, the amount of the boric acid ester of n=2 be about 0.5 weight % of described boric acid ester to about 5.0 weight %, and the amount of the boric acid ester of n=4 is that about 0 or 0.1 weight % of described boric acid ester is to about 15 weight %; The amount of the diol component of n=3 is more than about 90 weight % of described diol component, the amount of the diol component of n=2 be about 0.5 weight % of described diol component to about 5.0 weight %, and the diol component of n=4 is that about 0 or 0.1 weight % of described diol component is to about 15 weight %; Described composition has about dry type equilibrium reflux boiling point more than 205 ℃, about more than 140 ℃ the wet type equilibrium reflux boiling point and under about-40 ℃ temperature the viscosity below about 1500cSt; Described composition has about dry type equilibrium reflux boiling point more than 250 ℃, about wet type equilibrium reflux boiling point more than 145 ℃, the viscosity under about-40 ℃ temperature below about 1400cSt; Diol component comprises one or more high purity diol components; Described composition comprises mixed additive, and described mixed additive comprises antioxidant, antifoams, inhibiter, pH stablizer or their any combination; Diol component comprises the formula I of at least 50 weight % and the oxyalkylated dibasic alcohol of formula III, wherein R 1And R 6In one be selected from methyl, ethyl, propyl group, butyl or their any combination for H and another; Diol component comprises the formula I of at least 70 weight % and the oxyalkylated dibasic alcohol of formula III, wherein R 1And R 6In one be selected from methyl, ethyl, propyl group, butyl or their any combination for H and another; Based on the gross weight of fluid composition, diol component exists with the concentration of at least 70 weight %; Based on the gross weight of fluid composition, diol component exists with the concentration of at least 85 weight %.
Feature in this respect of the present invention can also further be so a kind of functional fluid composition, and described composition comprises: at least about the diol component of 70 weight %, wherein said diol component comprises the oxyalkylated dibasic alcohol of one or more formulas I:
(formula I)
Figure GPA00001073290000041
R wherein 6Be H, R 1Be the alkyl that contains 1 to 4 carbon atom or their mixture, and n is at least 2, described dibasic alcohol have n can be identical or different repeating unit, comprise at least one wherein R 2, R 3, R 4And R 5In at least one be that methyl and other are the repeating unit of H, the wherein other repeating unit and first repeating unit, (CH 2-CH 2-O) or its combination identical, wherein based on the gross weight of diol component, the oxyalkylated dibasic alcohol of one or more formulas I exists with the concentration of at least 15 weight %; Randomly, the oxyalkylated dibasic alcohol of one or more formula IIIs:
(formula III) R 1O (CH 2CH 2O) nR 6
R wherein 6Be H, R 1Be the alkyl that contains 1 to 4 carbon atom or their mixture, and n is at least 2; With, mixed additive, described mixed additive comprise antioxidant, antifoams, inhibiter, pH stablizer or their any combination; Wherein based on the gross weight of diol component, the summation of the oxyalkylated dibasic alcohol of formula I and the oxyalkylated dibasic alcohol of formula III exists with the concentration of at least 50 weight %.
Another aspect of the present invention relates to a kind of breaking system of described fluid composition herein that comprises.Of the present inventionly be further characterized in that in this respect described breaking system does not have assistor (booster).
Another aspect again of the present invention relates to described fluid composition herein as the fluidic purposes in the breaking system.For example, of the present inventionly can relate to described fluid composition in this respect herein as the fluidic purposes in the breaking system that does not have assistor.
Detailed Description Of The Invention
Functional fluid composition of the present invention has multiple application; Yet they are used as hydraulic efficiency oil such as braking fluid especially.Fluid composition of the present invention comprises di-alcohols, alkoxyl group di-alcohols or described both diol component.Described fluid composition can also comprise boric acid ester, but is preferably based on the weight of described composition, comprises the boric acid ester of no more than about 10 weight %.The physical properties of described composition comprises high dry type equilibrium reflux boiling point (ERBP), high wet type equilibrium reflux boiling point (WERBP) and low temperature viscosity.
Some embodiment of functional fluid composition of the present invention is particularly useful, because their physical properties (for example, WERBP, ERBP and low temperature viscosity) has reached the regulation to DOT3, DOT 4 or DOT 5 braking fluid under the regulation of last table.
The physical properties of the present composition and the existence of boric acid ester or shortage allow it to play a part as braking fluid especially well.And the composition that lacks boric acid ester can reach for DOT 3, DOT 4 or the necessary requirement of DOT 5 braking fluid.
Functional liquid of the present invention comprises or arbitrary combination in following:
(a) based on the gross weight of composition, diol component is that about 50 weight % are to about 100 weight %;
(b) based on the weight of total composition, the dibasic alcohol borate ester component be about 0 or about 0.01 weight % to about 10 weight %; With
(c) based on the weight of total composition, mixed additive is that about 0.10 or 0.30 weight % is to about 10 weight %.
Diol component can be partly, basically fully (at least 90 weight % or at least 95 weight %) or fully formed by a kind of, two kinds, three kinds or more kinds of dibasic alcohol and/or poly-dihydric alcohols (polyglycol).Preferably, the chemical formula of dibasic alcohol in the diol component or poly-dihydric alcohol is formula I:
Formula I
Figure GPA00001073290000061
It has repeating unit:
Formula II
Figure GPA00001073290000062
Wherein, R 1, R 2, R 3, R 4, R 5, R 6In each alkyl that is hydrogen (H) or contains the carbon atom more than 1 to 8, or their mixture.Be typically, for more than 20%, more typical in more than 50% even may be for more than 80% diol component, R 6Be hydrogen.Basically fully (at least 90 weight % or at least 95 weight %) or fully contain R fully 6The diol component of the dibasic alcohol of=H also is fine.Preferably, R 1Or R 6In any be the alkyl that contains 1 to 8 carbon atom, and another is hydrogen, thereby makes that dibasic alcohol or poly-dihydric alcohol are alkoxyl group glycol ether (for example end capped alkoxyl group glycol ethers of alkyl end group), this with only be R wherein 1For the dibasic alcohol of (H) opposite.Typically, for being less than 90 weight %, more typical be less than 50 weight % and even may be less than the diol component of 30 weight % or 20 weight %, whole fluid composition or described both, R 1And R 6All be (H).R 1And R 6Can also all be the alkyl that contains 1 to 8 carbon atom, make that dibasic alcohol or poly-dihydric alcohol are alkoxyl group dibasic alcohol diether (for example, the end capped alkoxyl group dibasic alcohol of alkyl both-end base diether).If exist, the concentration of the end capped dibasic alcohol of described both-end base is about 80% less than diol component weight typically, more typical about 50% less than diol component weight, even may be less than about 20% of diol component weight.Basically do not have (less than about 90% or less than about 5% diol component weight) or do not have the diol component of the dibasic alcohol of two end-capped to be fine fully yet.Should be appreciated that poly-dihydric alcohol and term dibasic alcohol that n is at least the formula I more than 2 comprise all poly-dihydric alcohols as using in this article.It is to be further understood that diol component can comprise the dibasic alcohol of formula I, wherein R 1And R 6Be alkyl, R 1And R 6All be H, R 1And R 6In one for alkyl another is H, or the combination (for example, diol component can comprise the dibasic alcohol of formula I, wherein R 6Be hydrogen and R 1Be alkyl, H or combination).
Diol component can comprise the dibasic alcohol of a certain amount of wherein n=1.When comprising, this dibasic alcohol can for described diol component at least about 0.001 weight % (for example, being at least about 0.01 weight %).And this dibasic alcohol typical case is less than about 30 weight % of diol component, more typical about 10 weight % less than diol component, and more typical about 5 weight % less than diol component.Preferably, the dibasic alcohol of diol component comprises the wherein dibasic alcohol of n=2 (for example, the alkoxyl group dibasic alcohol), the dibasic alcohol of n=3 (for example, the alkoxyl group dibasic alcohol), the dibasic alcohol of n=4 (for example, the alkoxyl group dibasic alcohol), or their mixture.Preferred diol component comprises the mixture of the dibasic alcohol (for example, alkoxyl group dibasic alcohol) more than n=2, n=3 and the n=4.Further preferably, wherein the above dibasic alcohol of n=2 with diol component, whole functional liquid or described both at least about 50 weight %, more typically be present in diol component and/or the whole functional liquid at least about 60 weight % and more typical amount at least about 75 weight %.Described diol component and/or whole functional liquid even can be basically or fully form by the dibasic alcohol more than the n=2 wherein.Further preferably, wherein the above dibasic alcohol of n=2 is with less than about 99.99 weight %, the typical case is less than about 99 weight %, and is more typical in about 90 weight %, and even more typical amount less than about 85 weight % be present in diol component and/or the whole functional liquid.
The diol component typical case comprises a certain amount of wherein R 2, R 3, R 4And R 5Respectively do for oneself first dibasic alcohol (for example, first poly-dihydric alcohol) of H.R 6Be preferably H, but can be the alkyl that contains 1 to 8 carbon atom (R for example 6Can be methyl, ethyl, propyl group, butyl etc.).When being comprised, (for example, single to plant the mixture of dibasic alcohol or have separately all be the R of H to this first dibasic alcohol 2, R 3, R 4, R 5And R 6The mixture of dibasic alcohol of formula I) be total diol component at least about 0.2 weight %, the typical case is at least about 3 weight %, and is more typical in 10 weight %, and more typical in 20 weight %.And this first dibasic alcohol is typically less than about 80 weight % of total diol component, more typical about 50 weight % less than total diol component, and more typical about 30 weight % less than total diol component.For this first dibasic alcohol, n is at least 1, but preferred n is more than 2.Wherein the amount typical case of first dibasic alcohol of n=2 is less than about 20.00 weight % (for example, about 0.25 weight % is to about 20.00 weight %) of the weight of described first dibasic alcohol.Wherein the amount typical case of above first dibasic alcohol of n=3 is greater than about 25 weight % of this first dibasic alcohol, more typical about 40 weight % greater than described first dibasic alcohol, and most preferably greater than about 70 weight % of described first dibasic alcohol.First dibasic alcohol of n=3 wherein, if exist, then its amount can be typically about 0 weight % to about 99.5 weight % (for example, for about 25.0 weight % of described first dibasic alcohol to about 99.5 weight %).First dibasic alcohol can also comprise that n is at least 4 dibasic alcohol, or basically or fully is at least 4 dibasic alcohol by n and forms.For example, n is at least 4 first dibasic alcohol, if exist, then its amount can be greater than about 10 weight % of described first dibasic alcohol, the typical case is greater than about 30 weight % of described first dibasic alcohol, more typical about 45 weight %, and the most typical about 50 weight % greater than first dibasic alcohol greater than described first dibasic alcohol.Wherein the amount of first dibasic alcohol of n=4 can be less than about 50 weight % of described first dibasic alcohol, preferably less than about 30 weight % (for example, being typically about 0 or 0.1 weight % to about 15 weight %) of described first dibasic alcohol.Certainly, unless stipulate in addition, otherwise can use whole first dibasic alcohol of higher or lower amount and first dibasic alcohol with different n values of particular amount.Diol component can also not have first dibasic alcohol.In the case of unrestricted, first dibasic alcohol can comprise the dibasic alcohol according to formula III, or basically by according to formula III dibasic alcohol form:
(formula III) R 1O (CH 2CH 2O) nR 6
R wherein 1And R 6For H, contain the alkyl of 1 to 8 carbon atom, or their mixing, and n is at least 1.
The diol component typical case comprises a certain amount of second dibasic alcohol (for example, second poly-dihydric alcohol), and it can be a kind of or mixture in such dibasic alcohol, in described dibasic alcohol, and R 2, R 3, R 4And R 5In only one of at least one and typical case, but can also be two, three or whole four each contain the alkyl of 1 to 8 carbon atom naturally.R 6Be preferably H, but can be alkyl (for example, the R that contains 1 to 8 carbon atom 6Can be methyl, ethyl, propyl group, butyl etc.).Preferred second dibasic alcohol comprises R 2Or R 3Base, and more preferably comprise R 4Or R 5Base, these groups comprise methyl, ethyl, propyl group, butyl or their any combination.And preferred second dibasic alcohol comprises R 2Or R 3Base, and more preferably wrap R 4Or R 5Base, these groups comprise methyl or ethyl.Also preferred second dibasic alcohol comprises R 2Or R 3Base, and more preferably, R 4Or R 5Base, described these groups comprise methyl (for example, second dibasic alcohol can comprise propylene glycol).When being comprised, this second dibasic alcohol be diol component at least about 3 weight %, more typical in 10 weight %, also more typical at least about 20 weight %.And this second dibasic alcohol is typically less than about 80 weight % of diol component, more typical about 50 weight % less than diol component, also more typical about 30 weight % less than diol component.For this second dibasic alcohol, n is at least 1, but is preferably more than 2.Can not have wherein second dibasic alcohol of n=2 any can the comprising maybe in second dibasic alcohol.If there is wherein second dibasic alcohol of n=2, then its amount typical case is greater than 0.01 weight % of the weight of described second dibasic alcohol, about 0.25 weight % of more typical weight greater than described second dibasic alcohol, and the typical case is less than about 20 weight % of the weight of described second dibasic alcohol, about 10 weight % of more typical weight less than second dibasic alcohol, 5 weight % of the most typical weight less than second dibasic alcohol (for example, about 0.25 weight % is to about 10.00 weight %).Wherein (for example, the amount of second dibasic alcohol n=3) is typically about 10.0 weight % of described second dibasic alcohol to about 100 weight % (for example, about 25 weight % are to about 99.5 weight %) more than the n=3.Wherein n=4 above (for example, the amount of second dibasic alcohol n=4) can for about 0 weight % of described second dibasic alcohol to about 100 weight %.For example, wherein the amount of second dibasic alcohol of n=4 can be at about 0 or 0.01 weight % of described second dibasic alcohol to the scope of about 15 weight %.Certainly, unless stipulate in addition, otherwise can use whole second dibasic alcohol of higher or lower amount and second dibasic alcohol with different n values of concrete amount.For example, second dibasic alcohol can be mainly (for example, about 50 weight % greater than second dibasic alcohol), basically fully (for example, about 90 weight % or about 95 weight % greater than second dibasic alcohol) or even fully have the dibasic alcohol of n=3, n is at least 3 dibasic alcohol, or n is at least 4 dibasic alcohol.
The diol component typical case comprises a certain amount of one or more the 3rd dibasic alcohol (for example, the 3rd poly-dihydric alcohol), and it is to be the multipolymer of segmented copolymer, random copolymers etc.Thereby any (it can be the mixture of a kind of dibasic alcohol or dibasic alcohol) in the 3rd dibasic alcohol comprises one or more first repeating unit and one or more second repeating units with second configuration with formula I of first configuration with the typical case.Particularly, the 3rd dibasic alcohol typical case comprises at least a wherein R 2, R 3, R 4And R 5Respectively do for oneself first repeating unit of formula I of H.The 3rd dibasic alcohol also typical case comprises at least one second repeating unit, wherein R 2, R 3, R 4And R 5In at least one and typically only one, but can also be two, three or whole four each contain the alkyl of 1 to 8 carbon atom naturally.For example, second repeating unit can be R 2, R 3, R 4And R 5In one, two, three or whole four be the alkyl that contains 1 to 8 carbon atom separately, and other is H.Preferred second repeating unit of the 3rd dibasic alcohol comprises: the R that comprises methyl, ethyl, propyl group, butyl or their any combination 2Or R 3Base, and be more preferably the R that comprises methyl, ethyl, propyl group, butyl or their any combination 4Or R 5Base.Preferred second repeating unit of the 3rd dibasic alcohol comprises: the R that comprises methyl or ethyl 2Or R 3Base, and be more preferably the R that comprises methyl or ethyl 4Or R 5Base.Preferred again second repeating unit of the 3rd dibasic alcohol comprises: the R that comprises methyl 2Or R 3Base, and be more preferably the R that comprises methyl 4Or R 5Base.For example, the R of second repeating unit 2, R 3, R 4And R 5In one can be methyl and remaining be H.Like this, the 3rd dibasic alcohol can contain ethylene glycol (for example ,-CH 2-CH 2-O-) and propylene glycol (for example, CH (CH 3)-CH 2-O or CH 2-CH (CH 3At least a in the unit of)-O), but preferred two kinds.In the 3rd any dibasic alcohol, R 6Be preferably H, but can be alkyl (for example, the R that contains 1 to 8 carbon atom 6Can be methyl, ethyl, propyl group, butyl etc.).When being comprised, this 3rd dibasic alcohol be diol component at least about 3 weight %, more typical in 10 weight %, and more typical at least about 20 weight %.Diol component is (for example, greater than about 50 weight %) mainly, basically fully (for example, greater than about 90 weight % or even greater than about 95 weight %) or fully contain the 3rd dibasic alcohol.And this 3rd dibasic alcohol typical case is about 80% less than described diol component weight, more typical about 50% less than diol component weight, and more typical in about 30% of diol component weight.For this 3rd dibasic alcohol, n is at least more than 2.The 3rd dibasic alcohol of n=2 wherein, if exist, weight by the 3rd dibasic alcohol, then wherein the amount of the 3rd dibasic alcohol of n=2 is typically greater than 0.01 weight % of the 3rd dibasic alcohol, more typical greater than about 0.25 weight % of the 3rd dibasic alcohol and typically less than about 20 weight % of the 3rd dibasic alcohol, more typical about 10 weight % and the most typical 5 weight % (for example, about 0.25 weight % is to about 10.00 weight %) less than the 3rd dibasic alcohol less than the 3rd dibasic alcohol.Wherein (for example, the amount of the 3rd dibasic alcohol n=3) typically is about 10.0 weight % of the 3rd dibasic alcohol to about 100 weight % (for example, about 25.0 weight % are to about 99.5 weight %) more than the n=3.Wherein above (for example, the amount of the 3rd dibasic alcohol n=4) can be that about 0 weight % of the 3rd dibasic alcohol is to about 100 weight % to n=4.For example, wherein the amount of the 3rd dibasic alcohol of n=4 can be at about 0 or 0.01 weight % of the 3rd dibasic alcohol to the scope of about 15 weight %.Certainly, unless stipulate in addition, otherwise can use whole the 3rd dibasic alcohol of higher or lower amount and the 3rd dibasic alcohol with different n values of concrete amount.For example, the 3rd dibasic alcohol can be mainly 50 weight % of the 3rd dibasic alcohol (for example, greater than), basically (for example, 90 weight % or 95 weight % greater than second dibasic alcohol) or even fully by the dibasic alcohol of n=3, n is at least 3 dibasic alcohol, or n is at least 4 dibasic alcohol and forms.
Diol component can contain following in every one or multinomial: first dibasic alcohol, second dibasic alcohol, the 3rd dibasic alcohol, or their any combination.Preferably, diol component comprises following in every one or multinomial: second dibasic alcohol, the 3rd dibasic alcohol or their combination.Based on the gross weight of diol component, all second dibasic alcohol (for example, R wherein 1Be second dibasic alcohol of H, wherein R 1Be second dibasic alcohol of alkyl with 1 to 8 carbon atom, or described both) and all the 3rd dibasic alcohol (for example, R wherein 1Be the 3rd dibasic alcohol of H, wherein R 1The 3rd dibasic alcohol for alkyl with 1 to 8 carbon atom, or described both) total concn can be at least about 0.5 weight %, preferably at least about 5 weight %, more preferably at least about 15 weight %, and most preferably (for example at least about 20 weight %, about 22 weight %, about 45 weight %, or even about 100 weight %).Diol component can comprise one or more second dibasic alcohol and the 3rd dibasic alcohol, and it can not have second dibasic alcohol, or it can not have the 3rd dibasic alcohol.
Any or two kinds of dibasic alcohol that can comprise one or more formulas IV in second dibasic alcohol, the 3rd dibasic alcohol, or form by the dibasic alcohol of one or more formulas IV basically, or even form by the dibasic alcohol of one or more formulas IV:
(formula IV) R 1O (R 7O) nH
Wherein n is at least 1 and R 7All be propyl group, or n is at least 2 and R 7It is the mixture of ethyl and propyl group.
Diol component can comprise formula I, formula III or described both oxyalkylated dibasic alcohol, wherein R 1And R 6At least one (for example, being 1 definitely) be alkyl (for example, methyl, ethyl, propyl group or butyl) with 1 to 8 carbon atom.This oxyalkylated dibasic alcohol (that is, the alkoxyl group dibasic alcohol) can account at least 30 weight % of (represent) diol component and even functional liquid, preferred at least 50 weight %, and more preferably at least about 60 weight %.
Advantageously, each dibasic alcohol of described type, but particularly the use of the second and the 3rd dibasic alcohol can help fluid to obtain various character.In the case of unrestricted, this character can comprise higher boiling point, lower viscosity, bigger oilness, their any combination etc.
The suitable R of diol component 1Base comprises the alkyl that contains 1 to 8 carbon atom.Preferred diol component comprises the R that comprises methyl, ethyl, propyl group, butyl or their any combination 1Base.
Under hard-core situation, useful dibasic alcohol (for example, alkoxyl group dibasic alcohol or other) example comprise methoxyl group triglycol, methoxyl group glycol ether, methoxy poly (ethylene glycol), oxyethyl group triglycol, ethoxydiglycol, oxyethyl group Tetraglycol 99, propoxy-triglycol, butoxy triglycol (for example, triglycol monobutyl ether), butoxy diglycol (for example diethylene glycol monobutyl ether), butoxy Tetraglycol 99, pentyloxy glycol ether, pentyloxy triglycol, 2-ethylhexyl glycol ether or their any combination.
The preferred dibasic alcohol of diol component (for example, the alkoxyl group dibasic alcohol) includes but not limited to the methoxyl group triglycol, the methoxyl group glycol ether, methoxy poly (ethylene glycol) (for example, more than the n=4), the methoxyl group Tetraglycol 99, the oxyethyl group polyoxyethylene glycol (for example, more than the n=4), the oxyethyl group triglycol, ethoxydiglycol, the oxyethyl group Tetraglycol 99, the butoxy polyoxyethylene glycol (for example, more than the n=4), butoxy triglycol, butoxy diglycol, the butoxy Tetraglycol 99, the triglycol monohexyl ether, the diglycol monotertiary propyl ether, triglycol list propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol list propyl ether, tripropylene glycol list propyl ether, the dipropylene glycol monobutyl ether, the tripropylene glycol monobutyl ether, polypropylene glycol monobutyl ether, polypropylene glycol list propyl ether, or their any combination.Preferred alkoxyl group diol component (for example comprises methoxyl group triglycol, methoxyl group glycol ether, methoxy poly (ethylene glycol), more than the n=4), butoxy triglycol, butoxy diglycol, butoxy polyoxyethylene glycol (for example, more than the n=4), triglycol monohexyl ether, diglycol monotertiary propyl ether, triglycol list propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol list propyl ether, tripropylene glycol list propyl ether, dipropylene glycol monobutyl ether, tripropylene glycol monobutyl ether, polypropylene glycol list propyl ether, polypropylene glycol monobutyl ether, or their any combination.The combination that most preferred alkoxyl group diol component comprises following material (for example, mixture): methoxy poly (ethylene glycol) (for example, more than the n=4), butoxy diglycol, butoxy triglycol, butoxy polyoxyethylene glycol (for example, more than the n=4), triglycol list propyl ether, tripropylene glycol list propyl ether, tripropylene glycol monobutyl ether, polypropylene glycol list propyl ether or polypropylene glycol monobutyl ether.
Useful dibasic alcohol (for example, alkoxyl group dibasic alcohol etc.) other example includes but not limited to: diglycol monotertiary propyl ether, triglycol list propyl ether, dipropylene glycol monomethyl ether, dipropylene glycol list propyl ether, tripropylene glycol list propyl ether, dipropylene glycol monobutyl ether, dipropylene glycol monomethyl ether, tripropylene glycol list ether, tripropylene glycol list propyl ether, tripropylene glycol monobutyl ether, polypropylene glycol list propyl ether, polypropylene glycol monobutyl ether, polytetramethylene glycol list propyl ether, polytetramethylene glycol monobutyl ether, or their any combination.
The other suitable dibasic alcohol that is used for diol component can comprise wherein R 1And R 6It all is the dibasic alcohol (for example, first dibasic alcohol, second dibasic alcohol, the 3rd dibasic alcohol or their composition) of the formula I of H.This dibasic alcohol (for example, glycol) can play thinner or lubricant.For example, based on the gross weight of composition, functional liquid of the present invention can comprise less than about 50 weight %, preferably less than about 40 weight % be more preferably less than thinner or the lubricant of about 30 weight % (for example, about 0 weight % is to about 30 weight %).
Diol component can also comprise wherein R 1And R 6It all is the dibasic alcohol (for example, first dibasic alcohol, second dibasic alcohol, the 3rd dibasic alcohol or their composition) of formula I with alkyl of 1 to 8 carbon atom.This dibasic alcohol is characterised in that to have two terminal ethers and do not have alcohol radical.
In the case of unrestricted, the method for the useful alkoxyl group dibasic alcohol of preparation comprises alkylene oxide and alkoxide (alkoxilation) reaction of alcohol reaction with the preparation alkyl diol.
In one aspect, the use of high purity alkoxyl group dibasic alcohol in diol component is preferred.For example, by using high purity alkoxyl group dibasic alcohol, can realize suitable low temperature viscosity.Particularly, can be used alone or in combination high purity butoxy triglycol and butoxy diglycol to help to keep the low temperature viscosity of expectation.In one aspect, the purity of high purity alkoxyl group dibasic alcohol is at least about 90% purity; Be at least about 97% purity; Or be at least about 98% purity.In a preferred embodiment, in fluid composition, use high purity butoxy triglycol and high purity butoxy diglycol, and high purity butoxy triglycol and high purity butoxy diglycol are the preferably at least 50 weight % of diol component, more preferably at least 75 weight %.
In use, preferred dibasic alcohol borate ester component has following formula:
Formula V
Figure GPA00001073290000131
Have repeating unit:
Formula VI
Figure GPA00001073290000132
R wherein 1, R 2, R 3, R 4And R 5Can be any about in the group of formula I regulation, and that n can be with about formula I defined be identical.Like this, the dibasic alcohol borate ester component can have any in the repeating unit of the 3rd dibasic alcohol of second dibasic alcohol, diol component of first dibasic alcohol as the diol component of being discussed about this paper Chinese style I, diol component or their combination.It is also understood that not the part that the compound of dibasic alcohol borate ester component and any boracic acid esters should be thought diol component, but independently.
The example of optional dibasic alcohol borate ester component comprises alkoxyl group dibasic alcohol borate ester component for example methoxyl group triglycol boric acid ester, oxyethyl group triglycol boric acid ester, butoxy triglycol boric acid ester or their any combination, the United States Patent (USP) of submitting on November 10th, 2,000 6 for example, 558, those disclosed in 569 (referring to, the 3rd hurdle, 13-40 is capable), described United States Patent (USP) is attached to this by reference.If borate ester component is present in the composition, then it is preferably existing greater than 0.01 weight % of functional liquid or greater than the amount of 1 weight %, but it also preferably exists with the amount less than about 10 weight % of functional liquid.More preferably, borate ester component is present in the composition with the amount less than about 4 weight % of functional liquid.In one embodiment, functional fluid composition of the present invention does not have (for example, existing with the amount less than about 0.5 weight % of functional liquid) or basically fully without any borate ester component.
When the dibasic alcohol borate ester component was in the composition, typical situation was sizable part that the dibasic alcohol group is represented composition.This dibasic alcohol group as defined herein, is the R in these formulas of being connected of formula I and formula V 6The base (it can be a hydrogen atom) or (B) part of boron atom.Thereby this dibasic alcohol group can be described below:
Formula VII (binary alcohol radical)
Figure GPA00001073290000141
Formula VIII (binary alcohol radical)
Figure GPA00001073290000142
These dibasic alcohol groups can be whole composition at least about 50 weight %, more typical in 60 weight %, also more typical, even can be at least about 90 weight % at least about 80 weight %.
Fluid composition can also comprise mixed additive; It is a kind of or combination that is used for regulating aspect one or more the additive of composition properties.Mixed additive, when existing, typically be functional liquid at least about 0.3 weight %, more typically be functional liquid at least about 1.0 weight %, even more typically be functional liquid at least about 3 weight %.Mixed additive when existing, typically is the about 8.0 weight % less than functional liquid, more typically is the about 5.0 weight % less than functional liquid, even can be about 4 or 3.5 weight % less than functional liquid.
In the case of unrestricted, suitable mixed additive can comprise inhibiter, stablizer such as pH stablizer, lubricant, anti-wear agent, antifoams, antioxidant, or their any combination.
Many known inhibiter such as alkanolamine or alkylamine and other organic amine have increased the low temperature viscosity of the functional liquid that contains boric acid ester, this so caused for example in those uses of complicated and expensive additive more described in the following patent: the EP0750033 that submits on June 20th, 1996, the combination by reference of this patent (referring to, for example, page 2 the 55th walks to page 3 the 56th row), with the EP0617116 that submits on March 9th, 1994, the combination by reference of this patent (referring to, for example, page 2 the 14th walk to page 3 the 7th row and page 4 1-16 capable).By using the small amount of boron acid esters, fluid composition can use known inhibiter and still obtain the low temperature viscosity of expectation.In addition, the increasing amount of inhibiter and additive can be used for the stability or the solidity to corrosion that are improved under the low viscous situation not sacrificing.
The example of the classification of the inhibiter that can use in functional fluid composition of the present invention comprises: lipid acid such as lauric acid, palmitinic acid, stearic acid or oleic acid, the ester of phosphorous acid or phosphoric acid and fatty alcohol, phosphorous acid ester such as etherophosphoric acid, dimethyl phosphate, the p isopropylbenzoic acid ester, the phosphorous acid butyl ester, triphenyl phosphite and diisopropyl phosphite, heterocyclic nitrogen such as benzotriazole or derivatives thereof, or these compounds are optional with 1,2, any combination of 4 triazoles and/or its derivative (referring to, by the United States Patent (USP) 6 of PierreLevesque in submission on February 2nd, 1999,074,992, referring to for example, the 2nd hurdle the 65th walks to the 3rd hurdle the 12nd row, and this patent is combined in this by reference; With, the English Patent of being submitted in December 1 nineteen sixty-five by McPhail etc. 1,111,680, referring to for example, page 1 the 10th walks to the page 2 eighth row, and this patent is combined in this by reference).Other amine compound as inhibiter comprises alkylamine, as di-n-butyl amine and two n-pentyl amine, hexahydroaniline and their salt.The amine compound that is particularly useful as the inhibiter in the functional fluid composition of the present invention comprises alkanolamine, preferably contains 1 to 3 chain triacontanol base and each chain triacontanol base and contains those of 1 to 6 carbon atom.That the example of useful alkanolamine comprises is single-, two-and trimethanolamine, single-, two-and trolamine, single-, two-and tripropanol amine and single-, two and tri-isopropanolamine.Use diisopropanolamine (DIPA) in one aspect, diisopropanolamine (DIPA) obtains easily and is cheap.
In order to strengthen the performance of functional fluid composition, except that one or more inhibiter, described mixed additive also advantageously contains other additive compound, for example all is the antifoams known, pH stablizer, antioxidant etc. for formulator.Usually exist with about 0.3 amount with this other additive of inhibiter bonded to about 10.0 weight % based on the gross weight of functional fluid composition.
A kind of preferred mixed additive comprises that inhibiter (for example, diisopropanolamine (DIPA) CAS #110-97-4), the pH stablizer (for example, SODIUMNITRATE CAS # 23-721-3), antifoams (for example, SAGAntifoam CAS # 63 148-62-9, available from Union Carbide Corporation), and antioxidant (for example, 2,4 dimethyl 6 tert butyl phenol CAS # 1879-09-0).
Consideration can be formulated into other material in the functional liquid of the present invention, is elevated on the acceptable level as long as note not ERBP or WERBP temperature be reduced under the acceptable level or with low temperature viscosity.For example, gross weight based on composition, functional liquid of the present invention can comprise thinner or the lubricant of about 0 or 0.10 weight % to about 30 weight %, such as, for example polyethylene oxide, poly(propylene oxide), polyoxyethylene glycol are (for example, the higher mole adducts of monoethylene glycol, glycol ether, triglycol, Tetraglycol 99 and ethylene glycol), poly-(alkylene oxide) dialkoxy dibasic alcohol, boric acid ester ester altogether, or their any combination.An embodiment preferred comprises lubricant, thinner, the poly-dihydric alcohol except that alkoxyl group or alkoxy ester dibasic alcohol, or their any combination is for example with the amount of about 5 weight % to about 25 weight %; More preferably, with the amount between about 15 weight % and about 22 weight %; Most preferably, comprise with the amount between about 18.5 weight % and about 19.5 weight %.
What also consider is, instruction of the present invention can be applied to preparation and be used for obtaining more low viscous other fluid, for example at United States Patent (USP) 4,371,448, those disclosed (being combined in this for all purposes by reference) among EP0 750033 and the EP0617116, with further reduction viscosity, keep acceptable minimum ERBP and WERBP temperature simultaneously.
The ERBP of fluid composition of the present invention is at least about 205 ℃, is preferably at least about 240 ℃, more preferably at least about 250 ℃, and most preferably is at least about (for example, be higher than 290 ℃, and even 300 ℃) more than 260 ℃ or 270 ℃.The WERBP of fluid composition of the present invention is at least about 140 ℃, is preferably at least about 144 ℃, and more preferably at least about 146 ℃ or at least about (for example, 160 ℃) more than 150 ℃.Fluid composition preferably less than 1500 centipoises (cSt), preferably less than about 1450 or about 1400 centipoises (cSt), is more preferably less than about 1300cSt-40 ℃ low temperature viscosity, is more preferably less than about 1250 or 1000cSt, and can be less than about 880cSt.
Example formulations
The following example is not intended to be restricted, but example some preferred embodiment of the present invention.
Embodiment 1-3
Embodiment 1-3 (EX.1-3), as shown in table 2, example comprise the functional fluid composition of first dibasic alcohol and second dibasic alcohol, described first dibasic alcohol (for example comprises oxyalkylated ethylene glycol, oxyethyl group triglycol, butoxy triglycol and butoxy diglycol), described second dibasic alcohol comprises oxyalkylated propylene glycol.Poly-dihydric alcohol (that is, polyethyleneglycol ether, polypropylene glycol list propyl ether and polypropylene glycol monobutyl ether) contains the molecule of n 〉=4 of 90-99.8 weight %, the molecule of the n=2 of the molecule of the n=3 of 0.1-10 weight % and 0.1-10 weight %.Tripropylene glycol list propyl ether mixture contains>molecule of the n=3 of 90 weight %, the molecule of>0.1% n=2 and>molecule of 0.1% n 〉=4.Said composition also comprises the lubricant (that is first dibasic alcohol that, does not have alkoxyization) of ethylene glycol.Lubricant among the embodiment 1-3 comprises the glycol ether of about 15-35 weight %, the triglycol of about 35-55 weight % and about 25-45 weight % polyoxyethylene glycol (n is at least 4).
Embodiment 4
Embodiment 4 (EX.4), as shown in table 2, example such functional fluid composition, described functional fluid composition (for example comprises the 3rd dibasic alcohol, polyoxyethylene glycol-propylene glycol monomethyl ether and polyoxyethylene glycol-propylene glycol monobutyl ether) (for example be to be made up of the 3rd dibasic alcohol basically described comprising).The molecular weight of polyoxyethylene glycol-dihydroxypropane single-ether is about 200-300 dalton, and the molecular weight of polyoxyethylene glycol-propylene glycol monobutyl ether is about 200-400 dalton.Polyoxyethylene glycol-dihydroxypropane single-ether, polyoxyethylene glycol-propylene glycol monobutyl ether or described both (for example can contain less than about 10 weight %, less than about 5 weight %) first dibasic alcohol (for example, oxyalkylated polyoxyethylene glycol), second dibasic alcohol (for example, oxyalkylated polypropylene glycol) or described both.
Table 2. Example formulations
?? Embodiment 1 ?? Embodiment 2 ?? Embodiment 3 ?? Embodiment 4
?? Component ?? Chemical name ?? In fluid?? Weight % ?? In fluid?? Weight % ?? In fluid?? Weight % ?? In fluid?? Weight %
Oxyalkylated ethylene glycol component The oxyethyl group triglycol ??6.00 ??6.00 ??6.00
Oxyalkylated ethylene glycol component Butoxy triglycol ??8.49 ??7.49 ??9.49
Oxyalkylated ethylene glycol component Butoxy diglycol ??3.08 ??3.08 ??3.08
Oxyalkylated ethylene glycol component The polyethyleneglycol ether ??36 ??34 ??36
Oxyalkylated propylene glycol component Tripropylene glycol list propyl ether mixture ??22.00
Oxyalkylated propylene glycol component Polypropylene glycol list propyl ether ??22.00
Oxyalkylated propylene glycol component Polypropylene glycol monobutyl ether ??22.0
?? Embodiment 1 ?? Embodiment 2 ?? Embodiment 3 ?? Embodiment 4
Oxyalkylated polyoxyethylene glycol-propylene glycol component The polyethylene glycol-propylene glycol monomethyl ether, MW 200-300 ??72.35
Oxyalkylated polyoxyethylene glycol-propylene glycol component The polyethylene glycol-propylene glycol monobutyl ether, MW 200-400 ??27.13
Lubricant Glycol ether, triglycol and polyoxyethylene glycol ??23.00 ??26.00 ??22.00
Mixed additive: inhibiter pH stablizer antifoams antioxidant Amine SODIUMNITRATE SAG antifoams 2,4 dimethyl 6 tert butyl phenol ??1.43 ??1.43 ??1.43 ??0.52
These prescriptions that analysis is used for functional liquid require relevant physical properties to measure them with DOT 3 braking fluid.Physical properties as shown in the table 3, uses the test procedure of being set forth in § 571.116 and following or the like the federal engine vehicle standard 116 (Federal Motor Vehicle Standard 116) that finds to measure.
The character of table 3. embodiment 1-4.
?? Embodiment 1 ?? Embodiment 2 ?? Embodiment 3 ?? Embodiment 4
??ERBP ??258℃ ??253℃ ??263℃ ??297
??WERBP ??146℃ ??147℃ ??145℃ ??147
Kinematic viscosity at-40 ℃ ??1379cSt ??1408cSt ??1396cSt ??1276cSt
Functional liquid of the present invention is suitable for use as the hydraulic efficiency oil of multiple mechanical system (for example, hydraulic lift, lifting machine, fork truck, dozer, hydraulic pusher, breaking system, their combination etc.) well.High ERBP, the WERBP of these fluid compositions and low temperature viscosity are suitable for the breaking system in the carrier vehicle (for example, fixing and rotary wing aircraft, train, 1 to 8 grade automobile etc.) well.These breaking system comprise Antilock brake system (ABS), stabilitrak, or their combination.Thereby, the present invention includes any in these systems that comprise fluid composition disclosed herein.
The orthodox car breaking system comprises the mechanism of decompressor that is operably connected to master cylinders, pneumatic or the assistor that surges, braking pipeline and braking mechanism.For operate brake (brakes), the operator suppresses the mechanism of decompressor, and master cylinders is applied to braking fluid with pressure, and braking fluid is transferred to braking mechanism by braking pipeline, and described braking mechanism is resisted the motion of one or more wheels at least in part.Owing to the high viscosity of traditional braking liquid, the traditional braking system needs the increase of assistor pump to be applied to the pressure of braking fluid suitably to operate braking mechanism (for example, with when one or more wheels slide, avoiding collision or their combination on the road surface).
Breaking system of the present invention can comprise above-described low viscosity functional liquid, traditional viscosity higher braking fluid, or their any combination.Preferred breaking system comprises the braking fluid of being made up of above-mentioned low viscosity functional liquid basically.In addition, breaking system of the present invention is optional can comprise assistor pump (for example, precharge assistor pump); Yet the assistor pump preferably is not included in the breaking system, because the use of current disclosed braking fluid can be so that the assistor pump be inessential.Do not use the assistor pump to mean to be better than the cost savings of the system that wherein needs the assistor pump.
What will be further understood that is, the function of a plurality of components or step or structure can merge in one component or the step, or the function or the structure of step or component can be separately among a plurality of steps or components.The present invention has considered all these combinations.Unless other regulation, otherwise the size and the geometrical shape of the various structures of describing herein are not intended to restriction the present invention, and other size or geometrical shape also are fine.Can provide a plurality of structural constituents or step by one structure or the step that becomes integral body.Alternatively, single structure or the step that becomes integral body can be divided into a plurality of components or step separately.In addition, although described feature of the present invention in only one the context in the embodiment of institute's example,,, this feature can be combined with one or more further features of other embodiment for any given application.To will be appreciated that also that by above content the preparation of unique texture herein and operation thereof also constitute the method according to this invention.The present invention also comprises centre and the final product that the enforcement by herein method obtains." comprise " or the use of " comprising " considers also that feature that " basically by " quotes " is formed " or " by " embodiment " formed " of the feature quoted.
Explanation that provides herein and example are intended to make others skilled in the art to know the present invention, its principle and its practical application.Those skilled in the art can change the present invention and use with its numerous forms, thereby can be adapted to the needs of practical application best.Therefore, to be not intended to the present invention be limit or restrictive to the specific embodiments of being set forth of the present invention.Therefore, scope of the present invention should not determine with reference to above description, but the four corner of the Equivalent that should authorize with reference to appended claim and such claim is determined.Comprise all combinations by reference of disclosure of all articles and the reference of patent application and publication for all purposes.

Claims (28)

1. functional fluid composition, described functional fluid composition comprises:
About 50 weight % are to the diol component of about 100 weight %, and wherein said diol component comprises the dibasic alcohol of one or more formulas I:
(formula I)
Figure FPA00001073269900011
R wherein 1And R 6For H or contain the alkyl of 1 to 8 carbon atom or their mixture, and n is at least 1, described dibasic alcohol have n can be identical or different repeating unit, comprise at least one wherein R 2, R 3, R 4And R 5In at least one be the repeating unit that contains the alkyl of 1 to 8 carbon atom.
2. fluid composition according to claim 1, wherein based on the gross weight of described diol component, the dibasic alcohol of described one or more formulas I exists with the concentration of at least 5 weight %.
3. fluid composition according to claim 1, wherein based on the gross weight of described diol component, the dibasic alcohol of described one or more formulas I exists with the concentration of at least 15 weight %.
4. according to each described fluid composition, wherein R in the claim 1 to 3 6Be H.
5. according to each described fluid composition, wherein R in the claim 1 to 4 2, R 3, R 4And R 5In only one be the alkyl that contains 1 to 8 carbon atom, and all the other are H.
6. according to each described fluid composition, wherein R in the claim 1 to 4 2, R 3, R 4And R 5In at least two be the alkyl that contains 1 to 8 carbon atom, and all the other are H.
7. according to each described fluid composition in the claim 1 to 6, wherein said diol component also comprises the dibasic alcohol of at least a formula III:
(formula III) R 1O (CH 2CH 2O) nR 6
R wherein 1And R 6For H or contain the alkyl of 1 to 8 carbon atom or their mixture, and n is at least 1 (for example, n is at least 3).
8. according to each described fluid composition in the claim 1 to 7, the dibasic alcohol of wherein said formula I comprises: at least one first repeating unit, wherein R 2, R 3, R 4And R 5H respectively does for oneself; With, at least one second repeating unit, wherein R 2, R 3, R 4And R 5In at least one (for example, one, two, three or four) respectively do for oneself and contain the alkyl of 1 to 8 carbon atom.
9. according to each described fluid composition in the claim 1 to 8, the dibasic alcohol of wherein said one or more formulas I comprises the dibasic alcohol of formula IV:
(formula IV) R 1O (R 7O) nH
Wherein (i) n is at least 1 and R 7All be propyl group, or (ii) n is at least 2 and R 7Mixture for ethyl and propyl group.
10. according to each described fluid composition in the claim 1 to 9, the dibasic alcohol of wherein said one or more formulas I comprise propylene glycol, ethylene glycol and 1,2-propylene glycol ether or above-mentioned both.
11. according to each described fluid composition in the claim 1 to 10, wherein said diol component comprise oxyalkylated polypropylene glycol, oxyalkylated polyoxyethylene glycol-propylene glycol or above-mentioned both.
12. according to each described fluid composition in the claim 1 to 11, wherein said diol component comprises the oxyalkylated dibasic alcohol of formula I and formula III:
(formula III) R 1O (CH 2CH 2O) nR 6
R wherein 1And R 6In at least one be alkyl with 1 to 8 carbon atom, wherein based on the gross weight of described diol component, the concentration of described oxyalkylated dibasic alcohol is greater than about 30 weight %.
13. according to each described fluid composition in the claim 1 to 12, wherein said composition does not have the dibasic alcohol boric acid ester basically.
14. according to each described fluid composition in the claim 1 to 12, described composition also comprises the dibasic alcohol boric acid ester of about 0.1 weight % to about 10 weight %, described dibasic alcohol boric acid ester comprises formula V:
(formula V)
Figure FPA00001073269900031
R wherein 1, R 2, R 3, R 4And R 5In each be H or contain the alkyl of 1 to 8 carbon atom or their mixture, n is 1 to 4; And about 0.3 weight % is to the mixed additive of about 10 weight %, and described mixed additive comprises inhibiter.
15. fluid composition according to claim 14, wherein the amount of the boric acid ester of n=3 is greater than about 90 weight % of described boric acid ester, the amount of the boric acid ester of n=2 be about 0.5 weight % of described boric acid ester to about 5.0 weight %, and the amount of the boric acid ester of n=4 is that about 0 or 0.1 weight % of described boric acid ester is to about 15 weight %.
16. according to each described fluid composition in the claim 1 to 15, wherein the amount of the diol component of n=3 is greater than about 90 weight % of described diol component, the amount of the diol component of n=2 be about 0.5 weight % of described diol component to about 5.0 weight %, and the diol component of n=4 is that about 0 or 0.1 weight % of described diol component is to about 15 weight %.
17. according to each described fluid composition in the claim 1 to 16, wherein said composition has about dry type equilibrium reflux boiling point more than 205 ℃, about more than 140 ℃ the wet type equilibrium reflux boiling point and under about-40 ℃ temperature the viscosity below about 1500cSt.
18. according to each described fluid composition in the claim 1 to 17, wherein said composition has about dry type equilibrium reflux boiling point more than 250 ℃, about wet type equilibrium reflux boiling point more than 145 ℃, the viscosity under about-40 ℃ temperature below about 1400cSt.
19. according to each described fluid composition in the claim 1 to 18, wherein said diol component comprises one or more high purity diol components.
20. according to each described fluid composition in the claim 1 to 19, wherein said composition comprises mixed additive, described mixed additive comprises antioxidant, antifoams, inhibiter, pH stablizer or their any combination.
21. according to each described fluid composition in the claim 1 to 20, wherein said diol component comprises the formula I of at least 50 weight % and the oxyalkylated dibasic alcohol of formula III, wherein R 1And R 6In one be selected from the group of forming by methyl, ethyl, propyl group, butyl or their any combination for H and another.
22. according to each described fluid composition in the claim 1 to 20, wherein said diol component comprises the formula I of at least 70 weight % and the oxyalkylated dibasic alcohol of formula III, wherein R 1And R 6In one be selected from the group of forming by methyl, ethyl, propyl group, butyl or their any combination for H and another.
23. according to each described fluid composition in the claim 1 to 22, wherein based on the gross weight of described fluid composition, described diol component exists with the concentration of at least 70 weight %.
24. according to each described fluid composition in the claim 1 to 23, wherein based on the gross weight of described fluid composition, described diol component exists with the concentration of at least 85 weight %.
25. a breaking system, described breaking system comprise according to each described fluid composition of claim 1 to 24.
26. breaking system according to claim 25, wherein said breaking system does not have assistor.
27. according to each described fluid composition in the claim 1 to 24 as the fluidic purposes in the breaking system.
28. according to each described fluid composition in the claim 1 to 24 as the fluidic purposes in the breaking system that does not have assistor.
CN200880109063A 2007-09-28 2008-09-26 Functional fluid composition Pending CN101809129A (en)

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