CN102753665A - Lubricant additive composition - Google Patents

Lubricant additive composition Download PDF

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Publication number
CN102753665A
CN102753665A CN201080063638XA CN201080063638A CN102753665A CN 102753665 A CN102753665 A CN 102753665A CN 201080063638X A CN201080063638X A CN 201080063638XA CN 201080063638 A CN201080063638 A CN 201080063638A CN 102753665 A CN102753665 A CN 102753665A
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quality
varsol
metal
salt
additive
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CN102753665B (en
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八木下和宏
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Eneos Corp
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JX Nippon Oil and Energy Corp
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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • 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
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • C10M137/06—Metal salts
    • 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
    • C10M137/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus
    • C10M137/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
    • C10M137/04—Phosphate esters
    • C10M137/10—Thio derivatives
    • 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
    • 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
    • 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
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
    • 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
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/042—Metal salts thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/02—Viscosity; Viscosity index
    • 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
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/069—Linear chain compounds
    • 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
    • C10N2030/08—Resistance to extreme temperature
    • 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
    • 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
    • C10N2030/40—Low content or no content compositions
    • C10N2030/43—Sulfur free or low sulfur content compositions
    • 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
    • C10N2030/70—Soluble oils
    • 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
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C10N2070/02—Concentrating of additives

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

Disclosed is a lubricant additive composition that comprises a metal salt of a phosphorous-containing compound, is easy to prepare, does not have adverse effects such as causing rubber seals to swell, and moreover has excellent storage stability, wherein the lubricant additive composition is characterized by including 10 to 90 mass%, based on the total amount of the composition, of the metal salt of the phosphorous-containing compound, which is represented by formula (1), in a hydrocarbon solvent in which the kinematic viscosity at 100 DEG C is 0.5 to 4.5 mm2/s, the %CA is no more than 3, and the sulfur content is no more than 0.05 mass% that is selected from among a mineral oil, a synthetic hydrocarbon oil, and a mixture of both. (In formula (1), X1 and X2 represent an oxygen or sulfur atom, R1, R2, R3, and R4 each independently represent a C3-12 linear alkyl group with an average carbon number of at least 5, and M represents a divalent metal atom.)

Description

The additive for lubricant compsn
Technical field
The present invention relates to comprise the additive for lubricant compsn of the metal-salt of P contained compound.
Background technology
Have following problem for solid or the P contained compound of viscous liquid such as the metal-salt of dialkyl group thiophosphatephosphorothioate or dialkyl phosphate etc. at normal temperatures: they are bad in its production and the operability between the delivery period; Can not be dissolved in the maintenance base oil at normal temperatures, perhaps its package stability is bad after dissolving.Therefore, this type of metal-salt that has proposed wherein will to liquefy in advance is dissolved in the technology (referring to following patent documentation 1) of amine compound etc.Yet, is added into lubricating oil and will causes detrimental effects as causing rubber seal (rubber seals) swelling because be dissolved in the metal-salt of the P contained compound of this amine compound, so the use of this metal-salt largely is restricted.
Reference listing
Patent documentation
Patent documentation 1:WO2004/003118
Summary of the invention
The problem that invention will solve
The present invention provides the additive for lubricant compsn; Said compsn does not provide disadvantageous effect as causing rubber seal (rubber seals) swelling; Fine properties; And to comprise with dissolved state at room temperature be the dialkyl group thiophosphatephosphorothioate of solid or viscous liquid or the metal-salt of dialkyl phosphate, and the additive for lubricant composition manufacturing method also is provided, and said method comprises above-claimed cpd was dissolved in the base oil in the following short period of time of relative low temperature below 60 ℃.
The scheme that is used to deal with problems
The further investigation of carrying out as the inventor and the result of exploration; The present invention is based on following discovery and accomplish: the use of particular hydrocarbon kind solvent makes that the metal-salt of P contained compound can be with high density and dissolving under the relative low temperature below 60 ℃, and the fine properties of dissolved metal-salt.
Promptly; The present invention relates to the additive for lubricant compsn; It is included in comprise in the varsol that is selected from MO, hydrocarbon synthesis oil and composition thereof, be the metal-salt of 10-90 quality % based on said compsn by the P contained compound of formula (1) expression, it is 0.5-4.5mm that said varsol has 100 ℃ of kinematic viscosity 2/ s, %C ABe below 3 and sulphur content is below the 0.05 quality %:
Figure BDA00001998826600021
X wherein 1And X 2Be oxygen or sulphur independently of one another, R 1, R 2, R 3And R 4For having the straight chained alkyl of 3-12 carbon atom, average carbon number is more than 5 and M is a divalent metal atom independently of one another.
The invention still further relates to the additive for lubricant composition manufacturing method; It comprises the metal-salt by the P contained compound of formula (1) expression that based on said compsn is 10-90 quality % amount is dissolved in the varsol that is selected from MO, hydrocarbon synthesis oil and composition thereof that it is 0.5-4.5mm that said varsol has 100 ℃ of kinematic viscosity 2/ s, %C ABe below 3 and sulphur content is below the 0.05 quality %:
Figure BDA00001998826600022
X wherein 1And X 2Be oxygen or sulphur independently of one another, R 1, R 2, R 3And R 4Respectively doing for oneself has the straight chained alkyl of 3-12 carbon atom, and average carbon number is more than 5 and M is a divalent metal atom.
The invention still further relates to the lubricating oil composition that comprises the aforementioned additive compsn.
The effect of invention
Additive for lubricant compsn of the present invention can be produced on the following short period of time of relative low temperature below 60 ℃ ground, does not have disadvantageous effect as causing rubber seal (rubber seals) swelling, and fine properties.
Embodiment
Below the present invention will be described in more detail.
The varsol that is used for additive composition for lubricant oil of the present invention is the solvent that is selected from MO, hydrocarbon synthesis oil and composition thereof, and it is 0.5-4.5mm that said solvent has 100 ℃ of kinematic viscosity 2/ s, %C ABe below 3 and sulphur content is below the 0.05 quality %.
The specific examples of mineral substance oil comprises can be through being selected from those that solvent deasphalting, SX, hydrocracking, solvent dewaxing and hydrorefined any or multiple processing produce through the lubricating oil distillate that the air distillation Residual oil (bottom oil) that vacuum distilling is obtained by the air distillation of crude oil is produced; The isomerized MO of wax; With by means of will produce through GTL WAX (gas to liquid wax (Gas to Liquid the Wax)) isomerizing that fischer-tropsch process is produced those.
The specific examples of synthetic type of oil comprises polybutylenes and hydrogenated compound thereof; Poly-alpha-olefin such as 1-octene oligopolymer and 1-decene oligopolymer and its hydrogenated compound; Aromatic series synthetic oil such as alkylnaphthalene and korenyl; Two or more mixture with these oil.
Be used for varsol of the present invention and can or be selected from these oily any two or more mixtures for MO, hydrocarbon synthesis oil.For example, solvent can be the mixture more than a kind of MO, more than the mixture of a kind of hydrocarbon synthesis oil, and the perhaps mixture of one or more MO and one or more hydrocarbon synthesis oil.
Be used for varsol of the present invention and have 100 ℃ of kinematic viscosity necessarily for 0.5-4.5mm 2/ s is preferably 1.0-4.3mm 2/ s, more preferably 1.5-4.2mm 2/ s, most preferably 2.0-4.1mm 2/ s.Not preferred 100 ℃ of kinematic viscosity are less than 0.5mm 2The varsol of/s is because the purpose of its vaporization losses.Also not preferred 100 ℃ of kinematic viscosity are greater than 4.5mm 2The varsol of/s is because the bad solvability of the metal-salt of its P contained compound.
The %C that is used for varsol of the present invention ABe below 3 necessarily, preferred below 2.5, more preferably below 2.0, more preferably below 1.5.Not preferred %C AVarsol greater than 3 is because it is tending towards reducing the solvability of the metal-salt of P contained compound.The %C of varsol ACan be 0.
Be used for the %C here AAromatic series carbon number the per-cent in total carbon number of expression through measuring according to the method among the ASTM D 3238-85 (n-d-M ring analysis).
The sulphur content that is used for varsol of the present invention is necessary for below the 0.05 quality %, below the preferred 0.04 quality %, more preferably below the 0.03 quality %, below the preferred especially 0.02 quality %.Preferred sulphur content is greater than the varsol of 0.05 quality %, because it is tending towards reducing the solvability of the metal-salt of P contained compound.
Usually, the sulphur content of varsol is looked the sulphur content of its raw material and is changed.For example, under the situation of using the raw material do not comprise sulphur in fact like the synthetic wax produced through fischer-tropsch reaction, can produce the varsol that does not comprise sulphur in fact.Under the situation of the microcrystalline wax (micro wax) that the raw material that comprises sulphur in use is produced like the slack wax (slack wax) produced through the treating process of varsol or through cerotin system, the sulphur content of gained varsol is generally more than the 0.01 quality %.Among the present invention, sulphur content is below the 0.05 quality % necessarily.
The sulphur content that here relates to is measured according to the method for putting down in writing among the JIS K2541-1996.
Viscosity index to being used for varsol of the present invention is not forced special qualification.Yet viscosity index is preferably more than 80, more than 100, most preferably more than 120, consequently can both obtain good viscosity characteristics down from low temperature to high temperature.The upper limit to viscosity index is not forced special qualification.Can use viscosity index as those of 135-180 like normal paraffin, slack wax, GTL wax or isoparaffin MO through their isomerizing are produced.Viscosity index will be tending towards reducing the solvability of the metal-salt of P contained compound less than 80 varsol.
Additive for lubricant compsn of the present invention comprises above-mentioned varsol and is one or more metal-salts by the P contained compound of following formula (1) expression (hereafter for " metal-salt of P contained compound) of 10-90 quality % based on the total mass of compsn.
Figure BDA00001998826600051
In the formula (1), X 1And X 2Respectively do for oneself oxygen or sulphur.R 1, R 2, R 3And R 4Independently of one another for having 3-12, preferred 4-11, more preferably 4-10, the straight chained alkyl of 4-8 carbon atom most preferably.Have the alkyl that is less than 3 carbon atoms and will cause that the solvability of gained metal-salt is bad, will make and be difficult to produce metal-salt and have alkyl greater than 12 carbon atoms.R 1, R 2, R 3And R 4Average carbon number be more than 5 necessarily.M is a divalent metal atom, and its specific examples comprises zinc, copper, nickel, cobalt, calcium and magnesium.Preferred zinc.
The instance of straight chained alkyl comprises n-propyl, normal-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl, positive decyl, n-undecane base and dodecyl.
The specific examples of P contained compound comprises di-n-butyl SULPHOSUCCINIC ACID ESTER, di-n-hexyl phosphoric acid ester, di-n-octyl SULPHOSUCCINIC ACID ESTER, two positive decyl SULPHOSUCCINIC ACID ESTERs, two dodecyl SULPHOSUCCINIC ACID ESTERs, normal-butyl n-hexyl SULPHOSUCCINIC ACID ESTER, normal-butyl n-octyl SULPHOSUCCINIC ACID ESTER, di-n-butyl thiophosphatephosphorothioate, di-n-hexyl thiophosphatephosphorothioate, di-n-octyl thiophosphatephosphorothioate, normal-butyl n-hexyl thiophosphatephosphorothioate, normal-butyl n-octyl thiophosphatephosphorothioate and its mixture.
Comprise the metal-salt of above-mentioned P contained compound by the specific examples of the compound of formula (1) expression, like zinc, copper, nickel, cobalt, calcium and magnesium salts.
The metal-salt of P contained compound and the ratio of mixture of varsol are 10-90 quality % based on the total mass of compsn, are preferably 30-85 quality %, more preferably 35-80 quality %, most preferably 40-75 quality %.When ratio of mixture during less than 10 quality %, the addition of additive will increase during the lubricating oil processing process, might cause the increase of lubricating oil evaporation loss.When ratio of mixture during greater than 90 quality %, additive will separate from lubricating oil at its lay up period.
100 ℃ of kinematic viscosity of additive for lubricant compsn of the present invention are preferably 0.5-4.5mm 2/ s, more preferably 1.0-4.3mm 2/ s, more preferably 1.5-4.2mm 2/ s.
Compositions of additives of the present invention can be through easily producing below for example: the metal-salt of the broken P contained compound of fine powder is added in the varsol that is heated to 30-60 ℃ and this mixture of stirring under the revolution of about 300rpm; Perhaps selectively the metal-salt of P contained compound is dissolved in organic solvent such as hexane; Mix this metal-salt and varsol then, then remove organic solvent.
Gained additive for lubricant compsn of the present invention is as various additive for lubricant.
Embodiment
To more specifically describe the present invention with reference to following examples and comparative example, but be not limited thereto.
[embodiment 1-8, comparative example 1-16]
Thereby the metal-salt of following P contained compound is added into the additive for lubricant compsn (embodiment 1-8, comparative example 1-16) that following varsol preparation has the prescription of following table of being shown in 1 and 2.The varsol in the table and the metal-salt of P contained compound are following.
(1) varsol
Solvent 1: paraffin solvent refined mineral oil (100 ℃ of kinematic viscosity: 2.1mm 2/ s, %C A: 5, sulphur content: 800 quality ppm)
Solvent 2: hydrofinishing MO (100 ℃ of kinematic viscosity: 2.7mm 2/ s, %C A: 0, sulphur content: 0 quality ppm)
Solvent 3: poly-alpha-olefin (PAO) (100 ℃ of kinematic viscosity: 4.0mm 2/ s, %C A: 0, sulphur content: 0 quality ppm)
(2) metal-salt of P contained compound
Phosphorus compound A: normal-butyl n-hexyl zn phosphate (average carbon number: 5, phosphorus content: 11.5 quality %, zinc content: 11.9 quality %)
Phosphorus compound B: di-n-hexyl phosphoric acid zinc (average carbon number: 6, phosphorus content: 10.4 quality %, zinc content: 10.7 quality %)
Phosphorus compound C: normal-butyl n-octyl zn phosphate (average carbon number: 6, phosphorus content: 10.4 quality %, zinc content: 10.7 quality %)
Phosphorus compound D: normal-butyl n-octyl thiophosphoric acid zinc (average carbon number: 6, phosphorus content: 9.8 quality %, zinc content: 10.1 quality %, sulphur content: 10.1 quality %)
Phosphorus compound E: the di-n-butyl zn phosphate (average carbon number: 4, phosphorus content: 12.8 quality %, zinc content: 13.1 quality %)
Phosphorus compound F: di-n-butyl thiophosphoric acid zinc (average carbon number: 4, phosphorus content: 11.9 quality %, zinc content: 12.3 quality %, sulphur content: 12.3 quality %)
Phosphorus compound G: normal-butyl n-hexyl zn phosphate (average carbon number: 4.5, phosphorus content: 12.2 quality %, zinc content: 12.6 quality %)
Phosphorus compound H: two-2-ethylhexyl phosphoric acid zinc (phosphorus content: 8.8 quality %, zinc content: 9.1 quality %)
Phosphorus compound I: two-2-ethylhexyl zinc dithiophosphate (phosphorus content: 8.4 quality %, zinc content: 8.7 quality %, sulphur content: 8.7 quality %)
With the additive for lubricant compsn of embodiment 1-8 and comparative example 1-16 carry out at normal temperatures shelf test with observe they whether liquefaction under 60 ℃ the temperature and after 1 week, 2 weeks, 3 weeks and 4 weeks infusible precipitate whether.The result is illustrated in table 1 and 2.Under the situation of using solvent 1 that does not have the performance that limits the present invention and P contained compound, can not produce stable additive for lubricant compsn with branched-chain alkyl.
[table 1]
[table 2]
Utilizability on the industry
The commercial value of additive for lubricant compsn of the present invention is significantly big; Because it can be produced in the following short period of time of relative low temperature below 60 ℃; Do not have any disadvantageous effect as causing rubber seal (rubber seals) swelling, and fine properties.

Claims (3)

1. additive for lubricant compsn; It is included in contain in the varsol that is selected from MO, hydrocarbon synthesis oil and composition thereof, be the metal-salt of 10-90 quality % based on said compsn by the P contained compound of formula (1) expression, it is 0.5-4.5mm that said varsol has 100 ℃ of kinematic viscosity 2/ s, %C ABe below 3 and sulphur content is below the 0.05 quality %:
Figure FDA00001998826500011
X wherein 1And X 2Be oxygen or sulphur independently of one another, R 1, R 2, R 3And R 4For having the straight chained alkyl of 3-12 carbon atom, average carbon number is more than 5 and M is a divalent metal atom independently of one another.
2. additive for lubricant composition manufacturing method; It comprises the metal-salt by the P contained compound of formula (1) expression that based on said compsn is 10-90 quality % is dissolved in the varsol that is selected from MO, hydrocarbon synthesis oil and composition thereof that it is 0.5-4.5mm that said varsol has 100 ℃ of kinematic viscosity 2/ s, %C ABe below 3 and sulphur content is below the 0.05 quality %:
Figure FDA00001998826500012
X wherein 1And X 2Be oxygen or sulphur independently of one another, R 1, R 2, R 3And R 4Respectively doing for oneself has the straight chained alkyl of 3-12 carbon atom, and average carbon number is more than 5 and M is a divalent metal atom.
3. lubricating oil composition, it comprises additive for lubricant compsn according to claim 1.
CN201080063638.XA 2010-02-12 2010-10-08 Lubricant additive composition Expired - Fee Related CN102753665B (en)

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JP2010-029340 2010-02-12
JP2010029340A JP5537179B2 (en) 2010-02-12 2010-02-12 Lubricating oil additive composition
PCT/JP2010/067774 WO2011099195A1 (en) 2010-02-12 2010-10-08 Lubricant additive composition

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CN102753665A true CN102753665A (en) 2012-10-24
CN102753665B CN102753665B (en) 2014-10-29

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