CN105861123A - Gear oil composition and preparation method thereof - Google Patents
Gear oil composition and preparation method thereof Download PDFInfo
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- CN105861123A CN105861123A CN201610231394.0A CN201610231394A CN105861123A CN 105861123 A CN105861123 A CN 105861123A CN 201610231394 A CN201610231394 A CN 201610231394A CN 105861123 A CN105861123 A CN 105861123A
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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
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M105/00—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound
- C10M105/76—Lubricating compositions characterised by the base-material being a non-macromolecular organic compound containing silicon
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M107/00—Lubricating compositions characterised by the base-material being a macromolecular compound
- C10M107/50—Lubricating compositions characterised by the base-material being a macromolecular compound containing silicon
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- 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
- C10M2205/0206—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers used as base material
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- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/28—Esters
- C10M2207/283—Esters of polyhydroxy compounds
- C10M2207/2835—Esters of polyhydroxy compounds used as base material
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
- C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
- C10M2215/064—Di- and triaryl amines
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- C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
- C10M2215/22—Heterocyclic nitrogen compounds
- C10M2215/223—Five-membered rings containing nitrogen and carbon only
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/02—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds
- C10M2219/022—Sulfur-containing compounds obtained by sulfurisation with sulfur or sulfur-containing compounds of hydrocarbons, e.g. olefines
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- C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
- C10M2219/06—Thio-acids; Thiocyanates; Derivatives thereof
- C10M2219/062—Thio-acids; Thiocyanates; Derivatives thereof having carbon-to-sulfur double bonds
- C10M2219/066—Thiocarbamic type compounds
- C10M2219/068—Thiocarbamate metal salts
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- 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
- C10M2223/043—Ammonium or amine salts thereof
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- C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
- C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
- C10M2227/045—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes used as base material
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- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/041—Siloxanes with specific structure containing aliphatic substituents
- C10M2229/0415—Siloxanes with specific structure containing aliphatic substituents used as base material
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- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
- C10M2229/04—Siloxanes with specific structure
- C10M2229/042—Siloxanes with specific structure containing aromatic substituents
- C10M2229/0425—Siloxanes with specific structure containing aromatic substituents used as base material
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- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/019—Shear stability
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- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/04—Oil-bath; Gear-boxes; Automatic transmissions; Traction drives
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Abstract
The invention relates to a gear oil composition and a preparation method thereof. The gear oil composition is prepared from base oil, an antioxidant, an extreme pressure agent, an anti-rust and anti-wear agent and a metal corrosion inhibitor, wherein the base oil includes long-chain alkyl base oil which is at least one of a compound shown in the formula (1) in the description and a compound shown in the formula (2) in the description. The gear oil composition has excellent high-temperature thermal oxidation stability, superhigh viscosity-temperature properties, excellent extreme pressure anti-wear properties and excellent shear stability.
Description
Technical field
The present invention relates to a kind of gear oil composition, be specifically related to extreme pressure anti-wear, shear stability excellence,
And the gear oil composition of extra long life, various load gear lubrication requirement heavy, middle can be met especially, with
And the preparation method of this gear oil composition.
Background technology
Gear oil is geared system lubricating oil, for automobile and other the lightest load, low speed heavy load
Gear, the relatively light and higher load gear etc. of standard machinery, in order to prevent the damage of gear, sintering, this
In the gear oil of sample, usually require that it has the extreme pressure property etc. of excellence.Additionally, use to tackle other
On the way, also require that the raising of various performance, thus carry out various technological development and improvement, as viscosity temperature characteristic,
The improvement of oxidation-stabilized performance, thermal stability, antirust and Corrosion Protection etc..
CN101280240A discloses a kind of gear oil composition, and it is the base of more than 110 in viscosity index (VI)
Plinth oil contains phosphorus system extreme pressure agent (B) of at least one selected from phosphite ester and phosphate, the anti-corruption of nitrogen system
Erosion agent (C-1), nitrogen sulphur system's corrosion inhibitor (C-2), as viscosity index improver ethene-alpha-olefin altogether
Polymers (D) and zinc dialkyl dithiophosphate (E).This gear oil composition has low temperature flow, shearing concurrently
Stability, not only has the extreme pressure property of appropriateness, and corrosion resistance and oxidation stability is the most excellent.But
It is relatively big that it adds dosage, and the upper content limit of additive, more than 10%, considerably increases product cost and technique
Difficulty, is unfavorable for industrial amplification production.
Silicone oil is the polysiloxane of a kind of different polymerization degree chain structure, belongs to organosilicon polymer,
Himself there is multiple excellent performance: 1) excellent viscosity temperature characteristic, viscosity-temperature index is up to more than 300；
2) excellent heat endurance, heat decomposition temperature is more than 300 DEG C；3) excellent chemical stability and resistance to
Chemical corrosivity, is difficult to by ectocine oxidation deterioration；4) excellent shear stability, silicone oil has
Absorb the function vibrating, preventing Vibration propagation.But owing to silicone oil lubricity is bad, and with other base oil
Poor with the compatibility of functional additive, cause current silicone oil to be dfficult to apply in gear lubricant, it should
Extremely limited by scope.
With ordinary silicon oil phase ratio, remove through long chain alkyl modified silicone oil and there is significant lipophile and lubricity
Outward, excellent extreme boundary lubrication, hydrophobicity, soil resistance, mar proof and oxidation stability is also shown
Deng, thus can be widely applied to the fields such as lubricant, cosmetics, froth breaking foam inhibitor.
Summary of the invention
The problem that invention is to be solved
It is an object of the invention to overcome above-mentioned silicone oil problem present in the gear oil, it is provided that a kind of lubrication
Gear oil composition of property and excellent compatibility and preparation method thereof.The gear oil composition of the present invention has
Extra long life and significantly lubricate wear resistence, and make it possess advantages below: excellent high-temperature thermal oxidation is stabilized
Property；The shear stability of superelevation, even if still can keep preferable viscosity to lubricate under stronger mechanical shearing；
Excellent extreme pressure anti-wear, base oil is in addition to the lubrication wear resistence of self excellence, and between extreme pressure anti-wear additives
Good adaptability can make the extreme pressure anti-wear of gear oil composition significantly improve.
For solving the scheme of problem
In order to solve above-mentioned technical problem, the invention provides a kind of gear oil composition, it comprises following
Component:
A, base oil, it includes long-chain alkyl-silicone oil；
B, antioxidant；
C, extreme pressure agent；
D, antirust antiwear additive；
E, anticorrosive metal agent；
Wherein, described long-chain alkyl-silicone oil includes the compound represented by following formula (1) and is represented by following formula (2)
At least one of compound:
In formula (1) and formula (2), R be have 2～18, the alkyl of preferably 6～16 carbon atoms, or
For having formula ArCbH2b+1-aryl alkyl, wherein, b is 1～12, preferably 1～10, and Ar is
M, n are respectively the integer of 1-1000, preferably 2-60.
The gear oil composition provided according to the present invention, described long-chain alkyl-silicone oil accounts for the quality of component A
Ratio is 5～50 mass %, preferably 10～30 mass %.
The gear oil composition provided according to the present invention, wherein, with described gear oil composition gross mass
On the basis of, the content of described B component is 0.1-5 mass %, preferably 0.5-2 mass %；Described component C
Content respective with D component is 0.1-5 mass %, preferably 0.2-2.5 mass %；Containing of described component E
Amount is 0.01-1 mass %, and preferably 0.03-0.2 mass %, surplus is component A.
The gear oil composition provided according to the present invention, wherein, described long-chain alkyl-silicone oil is according to GB/T
The 265 25 DEG C of kinematic viscosity measured are 5mm2/s-50000mm2/ s, preferably 100mm2/s-5000mm2/s。
The gear oil composition provided according to the present invention, wherein, described component A base oil is possibly together with ore deposit
One or more in thing oil, Synthin oil and Esters oil.
The gear oil composition provided according to the present invention, wherein, described base oil is surveyed according to GB/T 265
40 DEG C of kinematic viscosity of amount are 50mm2/s-1000mm2/s。
The gear oil composition provided according to the present invention, wherein, described antioxidant is selected from naphthylamines, benzene two
Amine, diphenylamine, hindered phenol, a kind of or the most two or more combination of thioether phenolic antioxidant.
According to the present invention provide gear oil composition, wherein, described extreme pressure agent selected from olefine sulfide,
Thiophosphate or its ammonium salt derivatives, thiophosphate or derivatives thereof, thiocarbamate or its
Derivative, thiocarbamate or derivatives thereof, or the mixture of they any combination.
The gear oil composition provided according to the present invention, wherein, described antirust antiwear additive is selected from phosphite ester
Or derivatives thereof, the multiple ester or derivatives thereof of sulphur phosphoric acid, phosphate or its ammonium salt derivatives, BTA/phosphorus
Acid ammonium adduct, or the mixture of they any combination.
The gear oil composition provided according to the present invention, wherein, described anticorrosive metal agent is selected from benzo
Triazole, tolyl-triazole, 4-methylbenzotrazole, 5-methylbenzotrazole, octyl group triazole, decyl three
One or more in azoles, 2-mercaptobenzothiazole, 2,5-dimercapto-1,3,4-thiadiazoles.
Present invention also offers the preparation method of gear oil composition, the method includes: by component A, B
Component, component C, D component and component E are stirred until homogeneous transparent at 20-60 DEG C.
The effect of invention
The gear oil composition provided according to the present invention, it has the advantage that the high-temperature hot that (1) is excellent
Oxidation stability, long-chain alkyl-silicone oil has the most significant chemical inertness and stability, even if at sulphur phosphorus
It also is difficult to oxidized under the catalytic action of activating agent；(2) viscosity-temperature characteristics of superelevation, long-chain alkyl-silicone oil has
There is the high viscosity index (HVI) of more than 300, add a certain proportion of long-chain alkyl-silicone oil and can dramatically increase gear oil
Viscosity index (VI), it is ensured that the high viscosity-temperature characteristics of gear oil；(3) excellent extreme pressure anti-wear, long alkane
Base silicone oil is owing to its molecular volume is very big, strand mutually tangles, it is thus possible to form thicker lubricating oil
Film, shows the lubricity of excellence, the shortcoming that compensate for conventional silicone oil poor lubricity, long-chain alkyl-silicone oil
Abrasion resistance is lubricated more after compounding by a certain percentage with the base oil such as mineral oil, poly & Alpha ,-olefin oil, Esters oil
Excellent.In addition long-chain alkyl-silicone oil has good adsorptivity and lubricity to metal material, especially to metal
The lubricity of aluminium it is further preferred that.(4) excellent shear stability, stronger anti-shear ability so that gear oil
After composition is sheared under certain condition, its viscosity remains to meet lubricating requirement, reduces oil consumption and can prevent
Only there is eventual failure in viscosity, serves the effect of energy-conserving and environment-protective.
The production technology of the gear oil composition of the present invention is simple, and raw material is easy to get, and is very suitable for industrialized production.
Detailed description of the invention
In the gear oil composition of the present invention, long-chain alkyl-silicone oil contained in component A include by with
Compound that following formula (1) represents and by least one of the compound represented with following formula (2):
In formula (1) and formula (2), R be have 2～18, the alkyl of preferably 6～12 carbon atoms, or
For having formula ArCbH2b+1-aryl alkyl, wherein, b is 1～12, preferably 1～10, and Ar is
M, n are respectively the integer of 1-1000, preferably 2-60.
25 DEG C of kinematic viscosity that long-chain alkyl-silicone oil is measured according to GB/T 265 are 5-50000mm2/ s, preferably
For 100mm2/s-5000mm2/ s, 25 DEG C of kinematic viscosity of long-chain alkyl-silicone oil are less than 5mm2During/s, lubrication
Property and with other base oil compatibility poor, higher than 50000mm2During/s, long-chain silicone oil cryogenic property etc. is combined
Close hydraulic performance decline.
The long-chain alkyl-silicone oil being obtained commercially includes RH8206 and RH8207 (Zhejiang Province, China profit standing grain organosilicon
New material Co., Ltd), JC-205 (Guangzhou is polymerized to million industry organosilicon materials Co., Ltds),
SaituST-6089 long-chain alkyl-silicone oil (South Sea, Foshan City Sai Tu organosilicon factory).
Long-chain alkyl-silicone oil has the most significant chemical inertness and stability, even if at sulphur phosphorus activating agent
It also is difficult to oxidized under catalytic action；And there is the high viscosity index (HVI) of more than 300, combine at gear oil
Thing adds a certain proportion of long-chain alkyl-silicone oil and can dramatically increase the viscosity index (VI) of gear oil, it is ensured that tooth
The high viscosity-temperature characteristics of wheel oil；Long-chain alkyl-silicone oil owing to its molecular volume is very big, strand mutually tangles,
It is thus able to form thicker lubricating oil film, shows the lubricity of excellence, compensate for conventional silicone oil lubrication
Property difference shortcoming, the base oil such as long-chain alkyl-silicone oil and mineral oil, poly & Alpha ,-olefin oil, Esters oil is by certain
Abrasion resistance is lubricated more excellent after ratio is compounding.In addition long-chain alkyl-silicone oil has well suction to metal material
Attached property and lubricity, especially to the lubricity of metallic aluminium it is further preferred that.
The component A base oil of the present invention also include mineral oil, Synthin oil and Esters oil in one or
Multiple.
Wherein, mineral oil includes petroleum based lubricants and intermediate base lubricating oil, selected from American Petroleum Institute
(API) a kind of or the most two or more mixture in the base oil of group I, II, III of classifying.Tool
Body includes the lube cut obtained by the air-distillation of crude oil；By suitably application such as solvent essence
The proper combination of the process for refining such as system, hydrofinishing, dewaxing, highly hydrofinishing and the alkane that obtains
Mineral oil；The refined mineral oil by isomerization dewaxing (Isodewax) technique；By Mobil wax isomery
Metallization processes and refined mineral oil.The mineral oil being obtained commercially include 150BS (XOM's production),
500SN (production of CPC Shell company of the U.S.).
Synthin oil includes polymer or its hydride of various alkene, or their mixture.Suitable
The olefin polymer closed has poly alpha olefin (PAO).The Synthin oil being obtained commercially includes poly alpha olefin
SpectraSyn40 (production of ExxonMobil company of the U.S.), Durasyn 170 (production of INEOS company).
Esters oil includes binary acid and the ester of monoalkyl alcohol and the polyol ester of monocarboxylic acid, and one or more
Polyalcohol reacts the ester of preparation with the alkanoic acid containing at least 4 carbon atoms.Instantiation includes trimellitic acid
Ester, dibutyl adipate, decanedioic acid two (2-ethylhexyl) ester, di n butyl fumarate, phthalic acid
Dioctyl ester, tricarboxymethyl propane oleate, pentaerythrite caprylate and bipentaerythrite caprylate etc..It is purchased
Available Esters oil includes saturated polyol ester Priolube 3970, and (Britain Croda Chemical Company is raw
Produce), trimellitate Emkarate 1938 (Britain Croda Chemical Company production).
Long-chain alkyl-silicone oil accounts for the mass ratio of component A base oil and is preferably 5～50 mass %, more preferably
10～30 mass %.When long-chain alkyl-silicone oil account for the ratio of component A base oil in this proportion time,
In long-chain alkyl-silicone oil and component A, remaining base oil has the synergy of excellence so that component A
Significant viscosity temperature characteristic, abrasion resistance, cryogenic property and Oxidation Stability, combination property can be shown
It is better than the oil products such as long-chain alkyl-silicone oil, mineral oil, Synthin oil and Esters oil.Work as long-chain alkyl-silicone oil
When mass ratio is less than 5 mass %, the viscosity temperature characteristic of gear oil composition, abrasion resistance, oxidation stability
Can not get fully being efficiently modified, when mass ratio is higher than 50 mass %, the low temperature properties of gear oil composition
Can decline substantially.
40 DEG C of kinematic viscosity that component A base oil is measured according to GB/T 265 are 50mm2/s-1000mm2/s。
When 40 DEG C of kinematic viscosity of base oil are less than 50mm2During/s, poor lubricity, when 40 DEG C of motions of base oil
Viscosity is higher than 1000mm2/ s, viscosity is too high, increases equipment and runs power, is unfavorable for saving energy and reduce the cost.
The B component antioxidant of the present invention is selected from naphthylamines, phenylenediamine, diphenylamine, hindered phenol and thioether phenol
A kind of or the most two or more combination of kind antioxidant, wherein diphenylamine such as alkyl diphenylamine.Suitableeer
Suitable have single tert-butyl diphenylamine, single octyl diphenylamine, right, p-di-t-butyl diphenylamines, octyl group/butyl
Diphenylamines, right, p-di-iso-octyldiphenylamine, DBPC 2,6 ditertiary butyl p cresol and double (3,5-di-t-butyl-4-
Hydroxybenzyl) a kind of or the most two or more combination of thioether.The antioxidant being obtained commercially include octyl group/
Butyl diphenylamines IrganoxL57 (Germany BASF Chemical Company produce), right, p-diisooctyl
Diphenylamines VANLUBE 81 (Vanderbilt company of the U.S.).
On the basis of gear oil composition gross mass, the content of B component antioxidant is preferably 0.1-5 mass %,
More preferably 0.5-2 mass %.When the content of B component is less than 0.1%, it is impossible to sufficient oxidation susceptibility is provided,
During higher than 2%, oxidation susceptibility will not increase considerably, sexual valence ratio.
The component C extreme pressure agent of the present invention is selected from olefine sulfide, thiophosphate or its ammonium salt derivatives, sulphur
For phosphate or derivatives thereof, thiocarbamate or derivatives thereof, thiocarbamate or its spread out
Biology, or the mixture of they any combination.Suitable has sulfide isobutene, dibutyl dithio phosphorus
Acid zinc, Keywords dibutyl dithiocarbamate, zinc dibutyl dithiocarbamate, dibutyl dithio
Carbamic acid antimony, dibutyl dithiocaarbamate molybdenum, dibutyl dithiocaarbamate lead etc..It is purchased
Available extreme pressure agent includes antimony dialkyl-dithiocarbamate Vanlube 73 (U.S. Vanderbilt
Company produces), sulfide isobutene T321 (China Jinzhou Kangtai Lube Additive Co., Ltd.),
Dialkyl dithio amino formate Vanlube 7723 (U.S. Vanderbilt Company production), two
Butyl molybdenum dithiocarbamate Vanlube855 (U.S. Vanderbilt Company production).
On the basis of gear oil composition gross mass, the content of component C extreme pressure agent is preferably 0.1-5 mass %,
More preferably 0.2-2.5 mass %.When the content of component C is less than 0.1 mass %, it is impossible to enough pole is provided
Pressure performance, during higher than 5 mass %, additive level is too high, affects oxidation stability and the corrosion of oil product
Performance.
The antirust antiwear additive of D component of the present invention is selected from phosphite ester or derivatives thereof, the multiple ester of sulphur phosphoric acid or its
Derivative, phosphate or its ammonium salt derivatives, BTA/ammonium phosphate adduct or their any combination
Mixture.Suitably acid phosphorous acid dodecyl ester, sulphur phosphoric acid multiple ester ammonium salt, tripotassium phosphate
Phenolic ester, boronation D2EHDTPA ester ammonium salt, tributyl thiophosphate, isooctyl acid phosphate octadecylammonium salt.
The antirust antiwear additive being obtained commercially includes phosphoric acid nonyl ammonium salt mixture IRGALUBE 349 (Germany
BASF Chemical Company produce), tricresyl phosphate T306 (the safe lubricating oil in Jinzhou add
Agent Co., Ltd produces), tributyl thiophosphate T309 (Jinzhou Kangtai Lube Additive Co., Ltd.
Produce).
On the basis of gear oil composition gross mass, the content of the antirust antiwear additive of D component is preferably 0.1-5 matter
Amount %, more preferably 0.2-2.5 mass %.When the content of D component is less than 0.1 mass %, it is impossible to foot is provided
Enough antirust abrasion resistances, during higher than 5 mass %, additive level is too high, affects the oxidation peace of oil product
Qualitative and the feature of environmental protection.
The component E anticorrosive metal agent of the present invention is selected from BTA, tolyl-triazole, 4-methyl benzo
Triazole, 5-methylbenzotrazole, octyl group triazole, decyl triazole, 2-mercaptobenzothiazole, 2,5-dimercapto
One or more in-1,3,4-thiadiazoles.The antirust antiwear additive being obtained commercially includes liquid toluene triazole
Derivative I rgamet39 (Germany BASF Chemical Company produces), 2,5-dimercapto-1,3,4-thiophene
Diazole T561 (Jinzhou Kangtai Lube Additive Co., Ltd.'s production).
On the basis of gear oil composition gross mass, the content of component E anticorrosive metal agent is preferably 0.01-1
Quality %, more preferably 0.03-0.2 mass %.When the content of component E is less than 0.01 mass %, it is impossible to provide
Enough corrosion-resisting functions, during higher than 1%, oil product Corrosion Protection is not obviously improved, sexual valence ratio.
40 DEG C of kinematic viscosity of the gear oil composition of the present invention are preferably 50mm2/ s～1200mm2/ s, more
It is preferably 68～1000mm2/s.When 40 DEG C of kinematic viscosity of gear oil composition are less than 50mm2During/s, profit
Slip and extreme pressure and antiwear behavior are poor, higher than 1200mm2During/s, oil product mobility reduces, and increases equipment
Run power.
The preparation method of the gear oil composition that the present invention provides includes: by above component A, B component, C
Component, D component and component E mix in proportion, are stirred until homogeneous transparent at 20-60 DEG C.
Mode below by way of embodiments and comparative examples describes the present invention in further detail.Need explanation
It is that these embodiments are merely illustrative, the invention is not restricted to these embodiments.
Embodiment
Embodiment 1
Take the 75g poly alpha olefin SpectraSyn40 (U.S. ExxonMobil as Synthin oil respectively
Company, lower with), 15g long-chain alkyl-silicone oil RH8206 (Zhejiang Province, China profit standing grain organosilicon new material limited
Company, lower with), 10g is as saturated polyol ester Priolube 3970 (the Britain Croda of Esters oil
Chemical Company, lower with), 0.8g is as the octyl group/butyl diphenylamines IrganoxL57 of antioxidant
(Germany BASF Chemical Company, lower same), 1g are as the dialkyl dithio amino of extreme pressure agent
Formic acid antimony Vanlube 73 (U.S. Vanderbilt Company, lower same), 1g are as antirust antiwear additive
Phosphoric acid nonyl ammonium salt mixture IRGALUBE 349 (Germany BASF Chemical Company, lower same),
0.05g is as the liquid toluene of anticorrosive metal agent triazole derivative Irgamet39 (Germany BASF
Chemical Company, lower same) put into mixing in 200ml beaker, it is stirred until homogeneous at 50 DEG C
Bright, obtain gear oil composition I.
Comparative example 1
Except long-chain alkyl-silicone oil being replaced with dimethicone XIAMETER PMX-200 (U.S. Dow
Corning Company) outward, prepare gear oil composition in the same manner as in Example 1, obtain gear
Fluid composition II.
Comparative example 2
Except the addition of the poly alpha olefin SpectraSyn40 as Synthin oil is become from 75g
15g, beyond the addition of long-chain alkyl-silicone oil RH8206 becomes 75g from 15g, with same as in Example 1
Mode prepare gear oil composition, obtain gear oil composition III.
Comparative example 3
Except using 15g to replace chain alkyl silicon as the poly alpha olefin SpectraSyn40 of Synthin oil
Beyond oil, prepare gear oil composition in the same manner as example 1, obtain gear oil composition IV.
Embodiment 2
Take 60g 150BS (XOM), 30g long-chain alkyl-silicone oil RH8206 as mineral oil respectively
(Zhejiang Runhe Organic Silicon New Material Co., Ltd.), 10g are as the saturated polyol ester of Esters oil
Priolube 3970,1g as octyl group butyl diphenylamines IrganoxL57,1g of antioxidant as extreme pressure agent
Sulfide isobutene T321 (China Jinzhou Kangtai Lube Additive Co., Ltd.), the antirust antiwear additive of 1g
IRGALUBE 349, the Irgamet 39 of 0.1g put in 200ml beaker and mix, and stir to all at 50 DEG C
Even transparent, obtain gear oil composition V.
The gear oil composition I-V obtained in above example 1-2, comparative example 1-3 is carried out kinematic viscosity,
Viscosity index (VI), flash-point, pour point, oxidation stability, anticorrosive property, extreme pressure anti-wear, shear stability
Detecting etc. the analysis of project, specific performance Testing index result is as shown in table 1.
Table 1
Can be drawn by table 1, relative to the conventional gear obtained in the comparative example 3 without long-chain alkyl-silicone oil
Fluid composition IV, the viscosity index (VI) of the gear oil composition I obtained in embodiment 1 may be up to more than 200,
The rotary oxygen bomb time reaches 465 minutes, and shear stability viscosity B coefficent rate is not higher than 4%, shows more excellent
Different viscosity temperature characteristic, Oxidation Stability and shear stability, and four balls of gear oil composition I are real
Test middle maximum nonseizure load PBValue highlights more than 1400N, extreme pressure and antiwear behavior.
The gear obtained in the higher comparative example 2 exceeding the framework of the present definition of long-chain alkyl-silicone oil content
Fluid composition III is compared with the gear oil composition I of embodiment 1, although viscosity index (VI) and rotary oxygen bomb time
Increased, viscosity B coefficent rate is relatively low, presents preferable viscosity temperature characteristic, oxidation stability and shearing peace
Qualitative, but pour point is higher, poor performance at low temperatures, and antiwear and reducing friction performance also has downward trend.
Long-chain alkyl-silicone oil indicated above needs and base oil compounding ability under special ratios of other kind
The base oil that can prepare the gear oil that combination property is the most excellent, i.e. long-chain alkyl-silicone oil and other kind exists
Show certain concertedness under special ratios, make gear oil combination property obtain prominent lifting.
In addition by comparative example 1 it can be seen that, common dimethicone and PAO, Esters oil are incompatible,
A combination thereof thing II muddiness is layered, it is impossible to form homogeneous oil product.And add other combination of long-chain alkyl-silicone oil
Thing then can form the fluid that stable homogeneous is transparent, shows long-chain alkyl-silicone oil and other kind base oil
There is the compatibility of excellence.Further, cannot be formed homogeneous due to the composition of the common dimethicone of interpolation
Fluid, therefore, also cannot measure various performance indications.
Claims (8)
1. a gear oil composition, it comprises following components:
A, base oil, it includes long-chain alkyl-silicone oil；
B, antioxidant；
C, extreme pressure agent；
D, antirust antiwear additive；
E, anticorrosive metal agent；
Wherein, described long-chain alkyl-silicone oil includes the compound represented by following formula (1) and is represented by following formula (2)
At least one of compound:
In formula (1) and formula (2), R be have 2～18, the alkyl of preferably 6～16 carbon atoms, or
For having formula ArCbH2b+1-aryl alkyl, wherein, b is 1～12, preferably 1～10, and Ar is
M, n are respectively the integer of 1-1000, preferably 2-60.
Gear oil composition the most according to claim 1, described long-chain alkyl-silicone oil accounts for component A
Mass ratio be 5～50 mass %, preferably 10～30 mass %.
Gear oil composition the most according to claim 1 and 2, wherein, with described gear oil group
On the basis of compound gross mass, the content of described B component is 0.1-5 mass %, preferably 0.5-2 mass %；
Described component C and the respective content of D component are 0.1-5 mass %, preferably 0.2-2.5 mass %；Described
The content of component E is 0.01-1 mass %, preferably 0.03-0.2 mass %, and surplus is component A.
4. according to the gear oil composition described in any one of claim 1-3, wherein, described long alkane
25 DEG C of kinematic viscosity that base silicone oil is measured according to GB/T 265 are 5mm2/s-50000mm2/ s, preferably
100mm2/s-5000mm2/s。
5. according to the gear oil composition described in any one of claim 1-4, wherein, described component A
Base oil is possibly together with one or more in mineral oil, Synthin oil and Esters oil.
6. according to the gear oil composition described in any one of claim 1-5, wherein, described base oil root
The 40 DEG C of kinematic viscosity measured according to GB/T 265 are 50mm2/s-1000mm2/s。
7. according to the gear oil composition described in any one of claim 1-6, wherein, described antioxidant
Selected from naphthylamines, phenylenediamine, diphenylamine, hindered phenol and the one of thioether phenolic antioxidant or any two kinds
Above combination；
Described extreme pressure agent is selected from olefine sulfide, thiophosphate or its ammonium salt derivatives, thiophosphate
Or derivatives thereof, thiocarbamate or derivatives thereof, or thiocarbamate or derivatives thereof,
Or the mixture of they any combination；
Described antirust antiwear additive is selected from phosphite ester or derivatives thereof, the multiple ester or derivatives thereof of sulphur phosphoric acid, phosphorus
Acid esters or its ammonium salt derivatives, or BTA/ammonium phosphate adduct, or the mixing of they any combination
Thing；
Described anticorrosive metal agent is selected from BTA, tolyl-triazole, 4-methylbenzotrazole, 5-
Methylbenzotrazole, octyl group triazole, decyl triazole, 2-mercaptobenzothiazole and 2,5-dimercapto-1,3,4-
One or more in thiadiazoles.
8. according to the preparation method of the gear oil composition described in any one of claim 1-7, including:
Component A, B component, component C, D component and component E are stirred until homogeneous transparent at 20-60 DEG C.
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| CN201610231394.0A CN105861123A (en) | 2016-04-14 | 2016-04-14 | Gear oil composition and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112574802A (en) * | 2020-12-21 | 2021-03-30 | 江苏国平油品科技有限公司 | Meshing speed reducer gear oil for precision control and preparation method thereof |
| CN114806685A (en) * | 2022-04-07 | 2022-07-29 | 中国石油化工股份有限公司 | Cold rolling oil composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652386A (en) * | 1984-10-03 | 1987-03-24 | Bayer Aktiengesellschaft | Lubricating oil preparations |
| CN101747986A (en) * | 2008-11-27 | 2010-06-23 | 赵淑玲 | Gear lubricant and preparation method thereof |
| GB2506975A (en) * | 2012-08-14 | 2014-04-16 | Dow Corning | Lubricant compositions |
| CN104927987A (en) * | 2015-05-19 | 2015-09-23 | 福建省天猫石油化工有限公司 | Colorless high-pressure and long-life anti-wear hydraulic oil and preparation method thereof |
-
2016
- 2016-04-14 CN CN201610231394.0A patent/CN105861123A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4652386A (en) * | 1984-10-03 | 1987-03-24 | Bayer Aktiengesellschaft | Lubricating oil preparations |
| CN101747986A (en) * | 2008-11-27 | 2010-06-23 | 赵淑玲 | Gear lubricant and preparation method thereof |
| GB2506975A (en) * | 2012-08-14 | 2014-04-16 | Dow Corning | Lubricant compositions |
| CN104927987A (en) * | 2015-05-19 | 2015-09-23 | 福建省天猫石油化工有限公司 | Colorless high-pressure and long-life anti-wear hydraulic oil and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112574802A (en) * | 2020-12-21 | 2021-03-30 | 江苏国平油品科技有限公司 | Meshing speed reducer gear oil for precision control and preparation method thereof |
| CN114806685A (en) * | 2022-04-07 | 2022-07-29 | 中国石油化工股份有限公司 | Cold rolling oil composition |
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