CN107164041A - A kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid - Google Patents

A kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid Download PDF

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Publication number
CN107164041A
CN107164041A CN201710335320.6A CN201710335320A CN107164041A CN 107164041 A CN107164041 A CN 107164041A CN 201710335320 A CN201710335320 A CN 201710335320A CN 107164041 A CN107164041 A CN 107164041A
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China
Prior art keywords
composition
power steering
environment
fluid pressure
heavy vehicle
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CN201710335320.6A
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Chinese (zh)
Inventor
黄福川
胡雄风
李康春
邓富康
赵金城
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Guangxi University
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Guangxi University
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Priority to CN201710335320.6A priority Critical patent/CN107164041A/en
Publication of CN107164041A publication Critical patent/CN107164041A/en
Pending legal-status Critical Current

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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
    • C10M169/044—Mixtures of base-materials and additives the additives being a mixture of non-macromolecular and macromolecular compounds
    • 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
    • C10M111/00—Lubrication 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
    • C10M111/04—Lubrication 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
    • 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
    • C10M2205/026—Butene
    • 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
    • C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/282—Esters of (cyclo)aliphatic oolycarboxylic acids
    • C10M2207/2825—Esters of (cyclo)aliphatic oolycarboxylic acids 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
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/287—Partial esters
    • C10M2207/288—Partial esters containing free carboxyl groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/06—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to carbon atoms of six-membered aromatic rings
    • C10M2215/064—Di- and triaryl amines
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/22—Heterocyclic nitrogen compounds
    • C10M2215/223—Five-membered rings containing nitrogen and carbon only
    • 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
    • C10M2219/00—Organic non-macromolecular compounds containing sulfur, selenium or tellurium as ingredients in lubricant compositions
    • C10M2219/10—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring
    • C10M2219/104—Heterocyclic compounds containing sulfur, selenium or tellurium compounds in the ring containing sulfur and carbon with nitrogen or oxygen in the ring
    • C10M2219/106—Thiadiazoles
    • 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
    • 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
    • C10M2223/041—Triaryl phosphates
    • 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
    • C10M2223/043—Ammonium or amine 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
    • 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
    • C10M2223/06—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having phosphorus-to-carbon bonds
    • C10M2223/063—Ammonium or amine salts
    • 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
    • C10N2030/04—Detergent property or dispersant property
    • 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
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • 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
    • C10N2030/18—Anti-foaming property
    • 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
    • C10N2030/28—Anti-static
    • 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
    • C10N2030/64—Environmental friendly 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
    • C10N2030/68—Shear stability
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids

Abstract

The invention discloses a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid, using the isotridecyl dibutoxyethyl sebacate and 50% polyalphaolefin SpectraSyn of mass ratio 50%TMPAO is compound as fully synthetic composite foundation oil, coordinates a variety of compound additives, including：Viscosity index improver, friction improver, oiliness improver, antioxidant preservative, antiwear additive, extreme pressure agent, antirust agent, anti-foaming agent, matal deactivator.The composition of the present invention has excellent lubricity, cooling, detergent-dispersant performance and filterability, height temperature stability, wear-resistant load, shear resistant, damping, anti-foaming property, good air release property, low temperature flow, rubber adaptability, electrostatic conductibility and high transmission efficiency.

Description

A kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid
Technical field
A kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid of the present invention, which belongs to special, to be wanted The hydraulic pressure and hydraulic power field of lubricant asked.
Background technology
Heavy vehicle includes truck, engineering machinery and armored vehicle etc., for changing or recovering its travel direction The working solution that specialized organization is referred to as used in the steering of vehicle, wheel steering system is referred to as power steering fluid (oil).It is one of crucial composition of vehicle active safety as the important part of vehicle.Work in transfer Make the medium that liquid transmits as power and the mechanical energy that steering pump is produced is passed into steering mechanism, so as to realize that heavy vehicle turns To operation.Therefore power steering fluid will have influence on stationarity, security and the sensitivity of heavy vehicle steering, with driving procedure In comfortableness, stationarity it is closely related.
With the fast lifting of Modern Manufacturing Technology, the power steering system of heavy vehicle is from a kind of past simple hydraulic pressure System, turns to composite turning system；The continuous enhancing and the continuous improvement of awareness of saving energy of people's environmental consciousness simultaneously, vehicle is moved Power steering is also constantly being upgraded, also increasingly harsher to the performance requirement of oil product, particularly special vehicle loading capacity increase Or the requirement of small-size multifunction, the load of steering is also continuously increased.As the working solution for passing work(medium, ensuring to turn Played an important role in terms of system well operation, but the unified standard of country's power steering fluid also useless at present.
Power steering system is the device for helping driver to carry out steering operation using the power of engine, and its handle starts The energy of machine is converted into hydraulic energy (including electric energy or air pressure), then hydraulic energy (electric energy or air pressure) is converted into mechanical energy, Deflecting roller is acted on, helps driver to be turned to, therefore power (power-assisted) steering should be referred to as.
Fluid pressure type electric control power steering system is on the basis of traditional hydraulic power steering system, to be additionally arranged control Magnetic valve, vehicle speed sensor and electronic control unit of fluid flow etc..Electronic control unit according to the GES of detection, Magnetic valve is controlled, steering power multiplication factor is realized continuously adjustabe, so as to meet the steering requirement of friction speed.According to control The difference of mode processed, can be divided into flow control formula, counter-force control formula and threshold sensitivity control three kinds of forms of formula again.Turning to liquid should Above-mentioned use requirement can be met.
The content of the invention
There is excellent lubricity, cooling, detergent-dispersant performance and filterability, height it is an object of the invention to provide a kind of Temperature stability, wear-resistant load, shear resistant, damping, anti-foaming property, good air release property, low temperature flow, rubber The environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid of adaptability, electrostatic conductibility and high transmission efficiency Composition.
The present invention adopts the following technical scheme that solution above-mentioned technical problem：
A kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid, using mass ratio 50% Isotridecyl dibutoxyethyl sebacate and 50% poly alpha olefin SpectraSynTMPAO is compound as fully synthetic composite foundation oil, Coordinate a variety of compound additives, its each mass percent composition composition：
Component Mass percentage content
Base oil Surplus
Antioxidant 0.3%~0.7%
Viscosity index improver 3%~7%
Friction improver 2%~3%
Oiliness improver 0.6%~0.8%
Antioxidant preservative 0.8%~1.2%
Antiwear additive 0.5%~1.0%
Extreme pressure agent 2.0%~3.0%
Antirust agent 0.2%~0.3%
Anti-foaming agent 20~40ppm
Matal deactivator 0.2%~0.3%
The mass percentage content of above each component is 100%.
Antioxidant is the 2,6- di-t-butyl mixed phenol T502A and 50% of mass ratio 50% butyl/octyl diphenylamine T557 is combined.
Viscosity index improver is polyisobutene T603A.
Friction improver is phosphate T451A；Oiliness improver is benzotriazole fatty acid ammonium salt T406；Antioxidant preservative is sulphur phosphorus Double octyl group basic zinc salt T203.Antiwear additive is thio-ammonium phosphate T307；Extreme pressure agent is tricresyl phosphate T306.
Antirust agent is that the alkenyl succinic acid half ester T747 and 50% of mass ratio 50% alkyl phosphoric acid imidazoline salt T708 is answered Close；Anti-foaming agent is 921 anti-foaming agent T921.
Matal deactivator is that the benzotriazole derivative T551 and thiadiazoles derivative T561 of mass ratio 50% are combined.
The advantage of the invention is that：The composition of the present invention has excellent lubricity, cooling, detergent-dispersant performance and mistake Filter property, height temperature stability, wear-resistant load, shear resistant, damping, anti-foaming property, good air release property, low temperature stream Dynamic property, rubber adaptability, electrostatic conductibility and high transmission efficiency.
Embodiment
Embodiment 1：
Following ingredients precentagewise content is reconciled and formed：
Above constituent mass percentage summation is 100%.
Embodiment 2：
Following ingredients precentagewise content is reconciled and formed：
Above constituent mass percentage summation is 100%.
Embodiment 3：
Following ingredients precentagewise content is reconciled and formed：
Above constituent mass percentage summation is 100%.
The typical technology index of embodiment 1：
Project Quality index
40 DEG C of kinematic viscosity/(mm2﹒ s-1) 68.55
100 DEG C of kinematic viscosity/(mm2﹒ s-1) 10.89
Viscosity index (VI) 157
Low-temperature dynamic viscosity (- 25 DEG C) mPas 5216
Pour point/DEG C -53
Flash-point (opening)/DEG C 256
24 DEG C of spumescence (foam tendentiousness/foam stability)/(mL/mL) 10/0
93.5 DEG C of spumescence (foam tendentiousness/foam stability)/(mL/mL) 20/0
24 DEG C afterwards of spumescence (foam tendentiousness/foam stability)/(mL/mL) 10/0
Tetra-ball machine test wear scar diameter (392N)/mm 0.31
Copper strip test (100 DEG C, 3h)/level 1h
Liquid-phase corrosion test (distilled water) It is rustless
Oxidation stability：(rotary bomb oxidation test, 150 DEG C)/min 1201
Gear mechanism (FZG) experiment/failure level ＞ 12
Vickers (Vickers) pump abrasion/mg 20.1
Terraced nurse agrees experiment OK values/N 252
Seal compatibility index 6
Air release value (50 DEG C)/min 7
Method Simon Rex (Falex)/N 1670
Rubber seal adaptability index 9
The typical technology index of embodiment 2：
The typical technology index of embodiment 3：
Project Quality index
40 DEG C of kinematic viscosity/(mm2﹒ s-1) 69.22
100 DEG C of kinematic viscosity/(mm2﹒ s-1) 10.87
Viscosity index (VI) 154
Low-temperature dynamic viscosity (- 25 DEG C) mPas 5098
Pour point/DEG C -54
Flash-point (opening)/DEG C 246
24 DEG C of spumescence (foam tendentiousness/foam stability)/(mL/mL) 10/0
93.5 DEG C of spumescence (foam tendentiousness/foam stability)/(mL/mL) 10/0
24 DEG C afterwards of spumescence (foam tendentiousness/foam stability)/(mL/mL) 5/0
Tetra-ball machine test wear scar diameter (392N)/mm 0.29
Copper strip test (100 DEG C, 3h)/level 1h
Liquid-phase corrosion test (distilled water) It is rustless
Oxidation stability：(rotary bomb oxidation test, 150 DEG C)/min 1187
Gear mechanism (FZG) experiment/failure level ＞ 12
Vickers (Vickers) pump abrasion/mg 19.3
Terraced nurse agrees experiment OK values/N 249
Seal compatibility index 6
Air release value (50 DEG C)/min 7
Method Simon Rex (Falex)/N 1660
Rubber seal adaptability index 10

Claims (7)

1. a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid, it is characterised in that：Using matter Measure the isotridecyl dibutoxyethyl sebacate and 50% poly alpha olefin SpectraSyn than 50%TMPAO is compound as fully synthetic multiple Base oil is closed, coordinates a variety of compound additives, the composition composition of its respective mass percent：
Component Mass percentage content Base oil Surplus Antioxidant 0.3%~0.7% Viscosity index improver 3%~7% Friction improver 2%~3% Oiliness improver 0.6%~0.8% Antioxidant preservative 0.8%~1.2% Antiwear additive 0.5%~1.0% Extreme pressure agent 2.0%~3.0% Antirust agent 0.2%~0.3% Anti-foaming agent 20~40ppm Matal deactivator 0.2%~0.3%
The mass percentage content of above each component is 100%.
2. a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid as claimed in claim 1, It is characterized in that：Antioxidant is the 2,6- di-t-butyl mixed phenol T502A and 50% of mass ratio 50% butyl/octyl diphenylamine T557 is combined.
3. a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid as claimed in claim 1, It is characterized in that viscosity index improver is polyisobutene T603A.
4. a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid as claimed in claim 1, It is characterized in that friction improver is phosphate T451A；Oiliness improver is benzotriazole fatty acid ammonium salt T406；Antioxidant preservative is sulphur The double octyl group basic zinc salt T203 of phosphorus.
5. a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid as claimed in claim 1, It is characterized in that antiwear additive is thio-ammonium phosphate T307；Extreme pressure agent is tricresyl phosphate T306.
6. a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid as claimed in claim 1, It is characterized in that antirust agent is the alkenyl succinic acid half ester T747 and 50% of mass ratio 50% alkyl phosphoric acid imidazoline salt T708 It is compound；Anti-foaming agent is 921 anti-foaming agent T921.
7. a kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid as claimed in claim 1, It is characterized in that benzotriazole derivative T551 and thiadiazoles derivative T561 that matal deactivator is mass ratio 50% are combined.
CN201710335320.6A 2017-05-12 2017-05-12 A kind of composition of environment-friendly heavy vehicle fluid pressure type electronically controllable power steering liquid Pending CN107164041A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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