CN103695131B - A kind of synthesis automatic transmission fluid and preparation method thereof - Google Patents
A kind of synthesis automatic transmission fluid and preparation method thereof Download PDFInfo
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- CN103695131B CN103695131B CN201310727105.2A CN201310727105A CN103695131B CN 103695131 B CN103695131 B CN 103695131B CN 201310727105 A CN201310727105 A CN 201310727105A CN 103695131 B CN103695131 B CN 103695131B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 44
- 239000012530 fluid Substances 0.000 title claims abstract description 39
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 29
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000003921 oil Substances 0.000 claims abstract description 41
- 239000000654 additive Substances 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 24
- 150000001875 compounds Chemical class 0.000 claims abstract description 20
- 229920001515 polyalkylene glycol Polymers 0.000 claims abstract description 16
- 239000002270 dispersing agent Substances 0.000 claims abstract description 10
- 239000002199 base oil Substances 0.000 claims description 16
- 150000002148 esters Chemical class 0.000 claims description 8
- 239000002518 antifoaming agent Substances 0.000 claims description 7
- 239000007866 anti-wear additive Substances 0.000 claims description 6
- 239000003963 antioxidant agent Substances 0.000 claims description 6
- 230000003078 antioxidant effect Effects 0.000 claims description 6
- 229920000193 polymethacrylate Polymers 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 239000006078 metal deactivator Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 2
- MEAWBIDPFZUIJL-UHFFFAOYSA-N (diphenyl-$l^{3}-sulfanyl)benzene Chemical group C1=CC=CC=C1[S](C=1C=CC=CC=1)C1=CC=CC=C1 MEAWBIDPFZUIJL-UHFFFAOYSA-N 0.000 claims 1
- 229910019142 PO4 Inorganic materials 0.000 claims 1
- -1 Phosphate ester Chemical class 0.000 claims 1
- LBPABMFHQYNGEB-UHFFFAOYSA-N benzene;2h-triazole Chemical class C=1C=NNN=1.C1=CC=CC=C1 LBPABMFHQYNGEB-UHFFFAOYSA-N 0.000 claims 1
- 239000002530 phenolic antioxidant Substances 0.000 claims 1
- 239000010452 phosphate Substances 0.000 claims 1
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 3
- 230000003026 anti-oxygenic effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000002474 experimental method Methods 0.000 description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 239000011574 phosphorus Substances 0.000 description 7
- 229910052698 phosphorus Inorganic materials 0.000 description 7
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 6
- 238000013019 agitation Methods 0.000 description 6
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 230000006399 behavior Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000011593 sulfur Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000001294 propane Substances 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000008393 encapsulating agent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- RBACIKXCRWGCBB-UHFFFAOYSA-N 1,2-Epoxybutane Chemical compound CCC1CO1 RBACIKXCRWGCBB-UHFFFAOYSA-N 0.000 description 1
- JECYNCQXXKQDJN-UHFFFAOYSA-N 2-(2-methylhexan-2-yloxymethyl)oxirane Chemical compound CCCCC(C)(C)OCC1CO1 JECYNCQXXKQDJN-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 238000006701 autoxidation reaction Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000002898 organic sulfur compounds Chemical group 0.000 description 1
- 125000001741 organic sulfur group Chemical group 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Abstract
The present invention relates to lubricating oil field, particularly disclose a kind of synthesis automatic transmission fluid and preparation method thereof.This synthesis automatic transmission fluid, the component including following percentage by weight makes: compound additive bag 3.21～9.51%, viscosity index improver 3.0～6.0%, oil soluble polyalkylene glycol 70～90%, oil based on surplus.The invention has the beneficial effects as follows: component is reasonable that there is the performances such as the oily performance of power transmitting medium and good extreme pressure and antiwear behavior, low temperature flowability, oxidation stability, detergent-dispersant performance and rust-preventing characteristic；Based on oil soluble polyalkylene glycol; mainly improve antioxygenic property, frictional behavior, cryogenic property and cleansing performance; meet the requirement of Modern Automatic Transmissions lubrication protection, take into account again the oil property that hydraulic torque converter, gear mechanism, hydraulic mechanism, wet clutch etc. require to use.
Description
(1) technical field
The present invention relates to lubricating oil field, particularly to one synthesis automatic transmission fluid and preparation method thereof.
(2) background technology
Automatic transmission fluid is mainly used in the automatic speed-changing system of car and light truck it can also be used to large-scale dress
Carrying the change gearbox of car, power steering system, the transfer case etc. of farm machinery, it can make automobile automatically fit
Answer the impact of running resistance, improve the power performance of automobile, make the electromotor normal time be in optimum condition, fill
Divide and utilize engine power, be conducive to eliminating exhaust pollution, and vibrate little when starting without impact, speed change,
It is comfortable on when people take steadily.Along with the manufacturing development of automatic transmission, be used for lubricating, cool down,
Power transmission, hydraulic control, actuating device are protected and contribute to the automatic transmission fluid of smooth speed change no matter
In terms of extreme pressure and antiwear behavior, low temperature flowability, oxidation stability, or at detergent-dispersant performance and antirust
Property aspect, can not meet the requirement of Modern Automatic Transmissions lubrication protection the most.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, it is provided that a kind of component rationally, extreme pressure and antiwear behavior,
Synthesis automatic transmission fluid that low temperature flowability, oxidation stability, detergent-dispersant performance and rust-preventing characteristic are good and
Preparation method.
The present invention is achieved through the following technical solutions:
One synthesizes automatic transmission fluid, and the component including following percentage by weight is made: compound additive bag
3.21～9.51%, viscosity index improver 3.0～6.0%, oil soluble polyalkylene glycol 70～90%, surplus
Based on oil.
Described compound additive bag includes that detergent-dispersant additive 2.0～6.0%, antioxidant 0.5～1.0%, metal subtract
Live agent 0.01～0.2%, also include antiwear additive 0.5～1.5%, friction improver 0.2～0.8%, anti-foaming agent
One or more in 0.0001～0.01%.
Described detergent-dispersant additive for having grey detergent-dispersant additive or ashless detergent dispersant, can suppress and reduce because
The materials such as the greasy filth of oxidation generation, paint film；Described antioxidant is ashless aromatic amine antioxidant or Hinered phenols
Antioxidant, oxidation resistance is strong, can suppress oil ageing, reduces precipitation, paint film and the generation of greasy filth,
Thus suppress the growth of lubricating oil viscosity；Described metal deactivator is organic heterocyclic molecule, is avoided that metal
The catalysis acceleration of the autoxidation of ion pair lubricating oil, hinders the catalytic effect of metal.
Described antiwear additive is organic sulfur compound extreme pressure anti-wear additives or organic phosphorus compound extreme pressure anti-wear additives, at metal watch
Under conditions of the ability to bear load of face, play the abrasion of the metal surface of anti-sliding stop, scratch even sinters
Effect.
Described friction improver is organic-molybdenum, organic sulfur or Phosphorus Contained Friction Modifier, makes synthesis automatic gear-box
Oil has suitable oiliness, it is ensured that have the confficient of static friction and the coefficient of kinetic friction matched.
Described anti-foaming agent is organosilicon anti-foaming agent or compound anti-foaming agent, with the colloidal particles form of high degree of dispersion
Absorption, on the film of foam, by reducing the mode such as surface tension, expansion, making film thinning until rupturing, reaching
To the purpose of froth breaking, can suppress to bubble during high-speed circulating in narrow and small oil circuit, it is ensured that oil pressure is stable and prevents sintering.
Described viscosity index improver is polymethacrylates or styrene and diene copolymer, can increase oil
Product viscosity, improves Viscosity Index, and low-temperature startup is good, reduces abrasion.
Traditional polyethers base oil, is to be with oxirane, expoxy propane, epoxy butane and oxolane etc.
Raw material, under catalyst action, the linear polymer that open loop homopolymerization or copolymerization prepare.Oil of the present invention
Dissolubility ployalkylene glycol is not traditional oxirane (EO) and expoxy propane (PO) homopolymerization copolymerized polymer,
But the oil-soluble polymers prepared by block polymerization, random copolymerization, reverse block, have the advantage that
Viscosity grade is extensive, and Viscosity Index is high, and high temperature performance is excellent, and film strength is high, also has outstanding sinking
Long-pending control and equipment cleaning, do not hydrolyze, use safety, and at the aspect such as elastomer compatibility, hygroscopicity
There is outstanding behaviours, particularly by alkoxylate chemical technology, improve conventional polyether base oil and other basis
A difficult problem for oil phase dissolubility difference.Oil soluble polyalkylene glycol also has high biological degradation rate, is the ring of a kind of high-quality
Guarantor's type base oil.
Described base oil is synthesis hydrocarbon base oil or synthetic ester base oil, compounds with oil soluble polyalkylene glycol and makes
With.
The preparation method of this synthesis automatic transmission fluid, is characterized in that: comprise the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mix at constant temperature 50～60 DEG C
Uniform miscella A；
(2) in the miscella A that step (1) prepares, compound additive bag, viscosity index improver are added,
Continue stirring 1～2h under the conditions of constant temperature 50～60 DEG C, prepare miscella B；
(3) the miscella B that step (2) prepares is filtered, i.e. under 0.1MPa～0.2MPa pressure
Obtain limpid transparent synthesis automatic transmission fluid.
The present invention synthesizes automatic transmission fluid and preparation method thereof and provides the benefit that: component is reasonable, has dynamic
Power Transfer Medium oil performance and good extreme pressure and antiwear behavior, low temperature flowability, oxidation stability,
The performance such as detergent-dispersant performance and rust-preventing characteristic；Based on oil soluble polyalkylene glycol, mainly improve antioxidation
Performance, frictional behavior, cryogenic property and cleansing performance, meet wanting of Modern Automatic Transmissions lubrication protection
Ask, taken into account again the oil that hydraulic torque converter, gear mechanism, hydraulic mechanism, wet clutch etc. require to use
Moral character energy.
(4) detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but the invention is not limited in this, embodiment
In preparation method be customary preparation methods, no longer describe in detail.
Embodiment 1:(is in terms of double centner, as follows)
This compound additive bag, the most nitrogenous 0.09%, calcium 0.03%, sulfur 0.4%, phosphorus 1.02%.
The preparation method of this synthesis automatic transmission fluid, employing following steps:
(1) oil soluble polyalkylene glycol and the synthetic ester base oil gear pump of above-mentioned weight are pumped into mediation
In, heated and stirred, at constant temperature 60 DEG C, mix homogeneously obtains miscella A；
(2) in the miscella A that step (1) prepares, the compound additive bag of above-mentioned weight, viscosity are added
Index improver (polymethacrylates), continues mechanical agitation 2h, prepares mixing under the conditions of constant temperature 60 DEG C
Oil B；
(3) the miscella B that step (2) prepares is filtered, under 0.2MPa pressure, through having
The filter of Filter bag device filters, and obtains limpid transparent synthesis automatic transmission fluid.
Embodiment 2:
This compound additive bag, the most nitrogenous 1.09%, sulfur 0.64%, boron 0.06%, phosphorus 0.19%.
The preparation method of this synthesis automatic transmission fluid, employing following steps:
(1) oil soluble polyalkylene glycol and the synthetic ester base oil gear pump of above-mentioned weight are pumped into mediation
In, heated and stirred, at constant temperature 55 DEG C, mix homogeneously obtains miscella A；
(2) in the miscella A that step (1) prepares, the compound additive bag of above-mentioned weight, viscosity are added
Index improver (polymethacrylates), continues mechanical agitation 1.5h under the conditions of constant temperature 55 DEG C, prepare mixed
Close oil B；
(3) the miscella B that step (2) prepares is filtered, under 0.15MPa pressure, Jing Guoyou
The filter of filter bag device filters, and obtains limpid transparent synthesis automatic transmission fluid.
Embodiment 3:
This compound additive bag, the most nitrogenous 0.12%, calcium 4.6%, zinc 1.2%, phosphorus 1.02%.
The preparation method of this synthesis automatic transmission fluid, employing following steps:
(1) oil soluble polyalkylene glycol and the synthetic ester base oil gear pump of above-mentioned weight are pumped into mediation
In, heated and stirred, at constant temperature 50 DEG C, mix homogeneously obtains miscella A；
(2) in the miscella A that step (1) prepares, the compound additive bag of above-mentioned weight, viscosity are added
Index improver (hydrogenated styrene isoprene copolymer), continues mechanical agitation 1h under the conditions of constant temperature 50 DEG C,
Prepare miscella B；
(3) the miscella B that step (2) prepares is filtered, under 0.1MPa pressure, through having
The filter of Filter bag device filters, and obtains limpid transparent synthesis automatic transmission fluid.
Embodiment 4:
This compound additive bag, the most nitrogenous 1.14%, calcium 0.83%, sulfur 6.47%, phosphorus 2.32%.
The preparation method of this synthesis automatic transmission fluid, employing following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and synthesis hydrocarbon base oil gear pump are pumped into mediation
In, heated and stirred, at constant temperature 55 DEG C, mix homogeneously obtains miscella A；
(2) in the miscella A that step (1) prepares, the compound additive bag of above-mentioned weight, viscosity are added
Index improver (polymethacrylates), continues mechanical agitation 2h, prepares mixing under the conditions of constant temperature 55 DEG C
Oil B；
(3) the miscella B that step (2) prepares is filtered, under 0.15MPa pressure, Jing Guoyou
The filter of filter bag device filters, and obtains limpid transparent synthesis automatic transmission fluid.
Embodiment 5:
This compound additive bag, the most nitrogenous 3.39%, sulfur 0.94%, boron 0.76%, phosphorus 2.65%.
The preparation method of this synthesis automatic transmission fluid, employing following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and synthesis hydrocarbon base oil gear pump are pumped into mediation
In, heated and stirred, at constant temperature 60 DEG C, mix homogeneously obtains miscella A；
(2) in the miscella A that step (1) prepares, the compound additive bag of above-mentioned weight, viscosity are added
Index improver (hydrogenated styrene isoprene copolymer), continues mechanical agitation 1.5h under the conditions of constant temperature 60 DEG C,
Prepare miscella B；
(3) the miscella B that step (2) prepares is filtered, under 0.2MPa pressure, through having
The filter of Filter bag device filters, and obtains limpid transparent synthesis automatic transmission fluid.
Embodiment 6:
This compound additive bag, the most nitrogenous 0.09%, calcium 0.03%, sulfur 0.4%, phosphorus 1.02%.
The preparation method of this synthesis automatic transmission fluid, employing following steps:
(1) oil soluble polyalkylene glycol and the synthetic ester base oil gear pump of above-mentioned weight are pumped into mediation
In, heated and stirred, at constant temperature 60 DEG C, mix homogeneously obtains miscella A；
(2) in the miscella A that step (1) prepares, the compound additive bag of above-mentioned weight, viscosity are added
Index improver (polymethacrylates), continues mechanical agitation 2h, prepares mixing under the conditions of constant temperature 60 DEG C
Oil B；
(3) the miscella B that step (2) prepares is filtered, under 0.2MPa pressure, through having
The filter of Filter bag device filters, and obtains limpid transparent synthesis automatic transmission fluid.
Compared with conventional automatic transmission fluid, the present invention synthesizes automatic transmission fluid and has the advantage that
A) pour point (experimental technique ASTM D97), the present invention synthesizes the pour point of automatic transmission fluid than routine certainly
Dynamic gear box oil is low 20～30 DEG C, more adapts to extreme low temperature applied environment；
B) Viscosity Index (experimental technique ASTM D2270), the present invention synthesize automatic transmission fluid can improve 15～
30, viscosity-temperature characteristics can more preferably, and high-temperature viscosity rate of descent reduces by 15～30%, and high temperature oil-film retention property is more preferable；
C) Bu Shi viscosity (experimental technique ASTM D2983), the present invention synthesizes automatic transmission fluid when-40 DEG C
Bu Shi viscosity at below 10000mPa.s, also can operate freely during low temperature；
D) depositional control and cleansing performance (experimental technique ASTM D2893B), the present invention synthesizes automatic gear-box
Oil pole produces deposition less, and acid number change and viscosity change are little, have obvious cleansing performance；
E) hydrolysis stability (experimental technique ASTM D2619), the present invention synthesizes automatic transmission fluid and is retaining
While other IV class and V class synthesis gear box oil performance, improve hydrolysis stability, the most same to synthetic ester
Class automatic transmission fluid is compared, and hydrolysis stability improves 30～70%；
F) corrosion resistance (experimental technique ASTM665A/665B), it is basic that the present invention synthesizes automatic transmission fluid
Do not corrode appearance, it is provided that preferably corrosion resistance；
G) air release property (experimental technique ASTM D3427), the present invention synthesizes the air of automatic transmission fluid
Release value, than conventional gearbox oil low 70～80%, can be substantially reduced the oil product cavitation corrosion to gear apparatus, subtract
Slow oil product is aging, extends oil product service life；
H) encapsulant swellability (experimental technique ASTM D2240), the present invention synthesizes automatic transmission fluid ratio
Synthetic ester, synthesis hydrocarbon automatic transmission fluid can improve 50～90%, good with encapsulant adaptability；
I) overlength uses the cycle, and it is conventional automatic gear-box that the present invention synthesizes the drain period of automatic transmission fluid
1～5 times of oil.
Claims (2)
1. a synthesis automatic transmission fluid, is characterized in that: be made up of the component of following percentage by weight: multiple
Close additive bag 4.3001～6.36%, viscosity index improver 4.5～5.5%, oil soluble polyalkylene glycol 75～
80%, oil based on surplus；Described compound additive bag include detergent-dispersant additive 2.92～4.4%, antioxidant
0.5～0.7%, metal deactivator 0.155～0.18%, also include antiwear additive 0.7～1.1% and anti-foaming agent
0.0001～0.005%；Described detergent-dispersant additive is succimide；Described antioxidant is liquid high molecular weight
Phenolic antioxidant；Described metal deactivator is liquid benzene triazole derivative；Described antiwear additive is triphenyl sulfur generation
Phosphate ester；Described anti-foaming agent is organosilicon anti-foaming agent；Described viscosity index improver is polymethacrylates；
Described base oil is synthetic ester base oil；Described oil soluble polyalkylene glycol is by random copolymerization, the most embedding
The oil-soluble polymers that section prepares.
2. a preparation method for synthesis automatic transmission fluid as claimed in claim 1, is characterized in that: bag
Include following steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mix at constant temperature 50～60 DEG C
Uniform miscella A；
(2) in the miscella A that step (1) prepares, compound additive bag, viscosity index improver are added,
Continue stirring 1～2h under the conditions of constant temperature 50～60 DEG C, prepare miscella B；
(3) the miscella B that step (2) prepares is filtered, i.e. under 0.1MPa～0.2MPa pressure
Obtain limpid transparent synthesis automatic transmission fluid.
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| CN104232274A (en) * | 2014-10-16 | 2014-12-24 | 中国石油化工股份有限公司 | Hydrodynamic drive oil |
| CN106967485B (en) * | 2017-03-31 | 2019-12-27 | 烟台德高石油有限公司 | Composition for gearbox oil of hybrid electric vehicle, preparation method of composition, gearbox oil containing composition and preparation method of gearbox oil |
| CN110699155B (en) * | 2018-07-10 | 2022-04-08 | 中国石油化工股份有限公司 | Special oil composition for low-viscosity 8AT automatic transmission |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766507A (en) * | 2011-05-06 | 2012-11-07 | 中国石油天然气股份有限公司 | Lubricant composition for double-clutch gearbox |
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| EP1992677A1 (en) * | 2007-05-10 | 2008-11-19 | Castrol Limited | Lubricant composition for combustion engine containing dispersant additive and polymer dispersant viscosity index improver |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102766507A (en) * | 2011-05-06 | 2012-11-07 | 中国石油天然气股份有限公司 | Lubricant composition for double-clutch gearbox |
Non-Patent Citations (1)
| Title |
|---|
| 油溶性PAG的性能特点及应用;韩耀坤;《石油商技》;20120229(第1期);第33-38页 * |
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