CN103710114B - Gear oil for hybrid vehicle and preparation method of gear oil - Google Patents
Gear oil for hybrid vehicle and preparation method of gear oil Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 70
- 239000002199 base oil Substances 0.000 claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 24
- 239000000654 additive Substances 0.000 claims abstract description 23
- 230000000996 additive effect Effects 0.000 claims abstract description 23
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- 238000002156 mixing Methods 0.000 claims description 44
- 230000015572 biosynthetic process Effects 0.000 claims description 30
- 238000003786 synthesis reaction Methods 0.000 claims description 30
- 239000007866 anti-wear additive Substances 0.000 claims description 10
- 230000000994 depressogenic effect Effects 0.000 claims description 9
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- 239000011574 phosphorus Substances 0.000 claims description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims description 8
- 239000003112 inhibitor Substances 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 5
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- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000004215 Carbon black (E152) Substances 0.000 claims description 3
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 claims description 3
- 238000007334 copolymerization reaction Methods 0.000 claims description 3
- 229930195733 hydrocarbon Natural products 0.000 claims description 3
- 150000002430 hydrocarbons Chemical class 0.000 claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 230000003078 antioxidant effect Effects 0.000 claims description 2
- 229940058344 antitrematodals organophosphorous compound Drugs 0.000 claims description 2
- 150000004982 aromatic amines Chemical class 0.000 claims description 2
- 239000003607 modifier Substances 0.000 claims description 2
- 229910052750 molybdenum Inorganic materials 0.000 claims description 2
- 239000011733 molybdenum Substances 0.000 claims description 2
- 150000002903 organophosphorus compounds Chemical class 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 abstract description 8
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002144 chemical decomposition reaction Methods 0.000 abstract 1
- 230000003749 cleanliness Effects 0.000 abstract 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 8
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 238000010907 mechanical stirring Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 229910052717 sulfur Inorganic materials 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 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
- 239000002253 acid Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
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- 239000006260 foam Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
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- 150000002739 metals Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
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- 238000010008 shearing Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
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- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The invention relates to the field of lubricating oil and in particular discloses gear oil for a hybrid vehicle and a preparation method of the gear oil. The gear oil for the hybrid vehicle comprises the following components in percentage by weight: 4.0-13.0 percent of composite additive bag, 70-90 percent of oil-soluble polyalkylene glycol and the balance of base oil. The gear oil has the beneficial effects that the gear oil is reasonable in component and safe to use, the high-temperature thermal oxidation strength of the gear during momentary contact can be borne, the heat can be timely taken away, the gear oil has high cleanliness and dispersity, various precipitates which are subjected to thermal oxidation or are generated through chemical decomposition or polymerization reaction of the oil can be taken away, the tooth surface is kept clean, the wear resistance of the gear oil is guaranteed, and the gear oil can be used for lubricating various gears operating at high-speed impact loads, high-speed low torque and low-speed high torque, various automobile gears, particularly heavy-duty hyperbolic and spiral bevel gears, oil lubrication universal joints and manual steering gears.
Description
(1) technical field
The present invention relates to lubricating oil field, particularly one synthesis automotive gear oils and preparation method thereof.
(2) background technology
The serviceability of wheel gearing can be subject to the restriction of moment of torsion and speed, exceedes certain moment of torsion and speed, and gear just there will be various forms of damage: wearing and tearing, scratch, spot corrosion or fracture etc.Gear is in most cases operate under mixed lubrication, under startup, parking, low-speed heave-load and impact load condition, and mainly boundary lubrication; And at a high speed and load is not high time, mainly elastohydrodynamic lubrication, but high-temperature thermal oxidation intensity when existing automotive gear oils can not bear gear instantaneous touch, cannot keep cleaning of the flank of tooth, dispersiveness and the abrasion resistance of gear oil are poor.
(3) summary of the invention
The present invention in order to make up the deficiencies in the prior art, provide a kind of component rationally, use safety, there is high detergency and dispersiveness, synthesis automotive gear oils that the flank of tooth cleans, abrasion resistance is good and preparation method thereof can be kept.
The present invention is achieved through the following technical solutions:
A kind of synthesis automotive gear oils, the component comprising following weight percent is made: composite additive bag 4.0 ~ 13.0%, oil soluble polyalkylene glycol 70 ~ 90%, oil based on surplus.
This synthesis automotive gear oils, also comprises pour point depressant 0.1 ~ 0.5%.
Described composite additive handbag draws together extreme pressure anti-wear additives 3.0 ~ 7.0%, friction improver 0.5 ~ 3.0%, oxidation inhibitor 0.5 ~ 2.5% and rust-preventive agent 0.01 ~ 0.5%.
Described extreme pressure anti-wear additives is organic sulfide extreme pressure anti-wear additives, Organophosphorous compounds extreme pressure anti-wear additives or organic chloride extreme pressure anti-wear additives, the sags and crests of two metallic surfaces intermeshes, produce partial high pressure, high temperature, active sulfide, phosphide or muriate and metallic surface react, generate the low sulfuration of shearing resistance, phosphatization or chlorination metal solid protective membrane, two metals separately, play the honing of anti-sliding stop, abrade the effect even sintered; Described friction improver is organic-molybdenum, organosulfur or Phosphorus Contained Friction Modifier, its polar group contained has very strong avidity to metallic surface, is adsorbed on metallic surface, forms a kind of protective membrane of similar cushion plate, prevent metal from directly contacting, reach the object reducing friction and wear; Described oxidation inhibitor is ashless aromatic amine oxidation inhibitor or Hinered phenols antioxidant, and resistance of oxidation is strong, can suppress oxidation of lubricating oil, reduces the generation of precipitation, paint film and greasy filth, thus suppresses the growth of lubricating oil viscosity; Described rust-preventive agent is sulfonate (sodium sulfonate, calcium sulphonate, sulfonic acid magnesium, sulfonic acid zinc or barium sulfonate etc.), organic amine or heterogeneous ring compound; its in metallic surface owing to there is electrostatic attraction and form physical adsorption in the dipole of polar molecule and metallic surface; or the molecule of absorption and the chemisorption that chemically reacts of metal; molecular shield closely can be formed in metallic surface, prevent corrosion.
Described composite additive bag also comprises kilfoam 0.0001 ~ 0.01%.
Described kilfoam is organosilicon kilfoam or compound kilfoam, is adsorbed on the film of foam with the colloidal particle form of high dispersing, by reducing the mode such as surface tension, expansion, making film thinning until break, reaching the object of froth breaking.
Traditional polyethers base oil is with oxyethane, propylene oxide, butylene oxide ring and tetrahydrofuran (THF) etc. for raw material, under catalyst action, and the simple linear polymer that open loop homopolymerization or copolymerization obtain.Oil soluble polyalkylene glycol of the present invention is not traditional oxyethane (EO) and propylene oxide (PO) homopolymerization copolymerized polymer, but pass through block polymerization, random copolymerization, the oil-soluble polymers that reverse block is obtained, have the following advantages: viscosity grade is extensive, viscosity index is high, high temperature performance is excellent, oil film strength is high, excellent adsorption, there is outstanding depositional control and equipment cleaning, be not hydrolyzed, use safety, and in elastomer compatibility, there is outstanding behaviours the aspects such as water absorbability, particularly by alkoxylate chemical technology, improve a difficult problem for conventional polyether base oil and other base oil intermiscibility difference.Oil soluble polyalkylene glycol also has high biological degradation rate, is a kind of environmental protection base oil of high-quality.
Described base oil is II class base oil, III class base oil, synthesis hydrocarbon base oil or synthetic ester base oil, use composite with oil soluble polyalkylene glycol.
Described pour point depressant is polymethacrylate, and the wax when low temperature and in oil forms eutectic, changes its shape and size, keeps the flow capacity of oil.
The preparation method of this synthesis automotive gear oils, comprises the steps:
(1) by oil soluble polyalkylene glycol and base oil mixing, heated and stirred, mixes to obtain mixing oil A at constant temperature 50 ~ 60 DEG C;
(2) in the obtained mixing oil A of step (1), add composite additive bag, continue stirring 1 ~ 2h under constant temperature 50 ~ 60 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained is filtered under 0.1MPa ~ 0.2MPa pressure, obtain limpid transparent synthesis automotive gear oils.
The preparation method of this synthesis automotive gear oils, comprises the steps:
(1) by oil soluble polyalkylene glycol and base oil mixing, heated and stirred, mixes to obtain mixing oil A at constant temperature 50 ~ 60 DEG C;
(2) in the obtained mixing oil A of step (1), add composite additive bag, pour point depressant, continue stirring 1 ~ 2h under constant temperature 50 ~ 60 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained is filtered under 0.1MPa ~ 0.2MPa pressure, obtain limpid transparent synthesis automotive gear oils.
The beneficial effect that the present invention synthesizes automotive gear oils and preparation method thereof is: select high-quality oil soluble polyalkylene glycol and each additive to carry out composite, component is reasonable, highlight extreme pressure anti-wear, oxidation stability, heat-resistant quality and rust resistance and corrosion resistance, reach balance and the unification of overall performance, use safety, high-temperature thermal oxidation intensity during gear instantaneous touch can be born, and heat can be taken away in time, there is high detergency and dispersiveness, the various throw outs by thermooxidizing or the decomposition of oil product own and polyreaction generation can be taken away, the flank of tooth is kept to clean, ensure that the abrasion resistance of gear oil, be used in high speed impact load, high speed low torque, the various gears operated under low speed and large torque, all kinds of automobile gear is the hyperbolic line of heavy loading and spiral bevel gear especially, the lubrication of oil lubrication cross-pin type joint and manual steering gear etc.
(4) embodiment
Below in conjunction with embodiment, the invention will be further described, but the present invention is not limited thereto, and the preparation method in embodiment is customary preparation methods, no longer describes in detail.
Embodiment 1:(is in double centner, as follows)
This composite additive bag, wherein sulfur-bearing 27.5%, phosphorus 1.54%, nitrogen 0.9%.
The preparation method of this synthesis automotive gear oils, adopts following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and synthetic ester base oil toothed gear pump are pumped in mediation Fu, heated and stirred, mixes to obtain mixing oil A at constant temperature 60 DEG C;
(2) in the obtained mixing oil A of step (1), add the composite additive bag of above-mentioned weight, continue mechanical stirring 2h under constant temperature 60 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained being filtered, under 0.2MPa pressure, through there being the metre filter of filter bag device, obtaining limpid transparent synthesis automotive gear oils.
Embodiment 2:
This composite additive bag, wherein sulfur-bearing 36.1%, phosphorus 1.22%, nitrogen 2.5%.
The preparation method of this synthesis automotive gear oils, adopts following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and synthetic ester base oil toothed gear pump are pumped in mediation Fu, heated and stirred, mixes to obtain mixing oil A at constant temperature 55 DEG C;
(2) in the obtained mixing oil A of step (1), add the composite additive bag of above-mentioned weight, continue mechanical stirring 1.5h under constant temperature 55 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained being filtered, under 0.15MPa pressure, through there being the metre filter of filter bag device, obtaining limpid transparent synthesis automotive gear oils.
Embodiment 3:
This composite additive bag, wherein sulfur-bearing 36.5%, phosphorus 1.21%, nitrogen 0.9%.
The preparation method of this synthesis automotive gear oils, adopts following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and synthesis hydrocarbon base oil toothed gear pump are pumped in mediation Fu, heated and stirred, mixes to obtain mixing oil A at constant temperature 50 DEG C;
(2) in the obtained mixing oil A of step (1), add the composite additive bag of above-mentioned weight, continue mechanical stirring 1h under constant temperature 50 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained being filtered, under 0.1MPa pressure, through there being the metre filter of filter bag device, obtaining limpid transparent synthesis automotive gear oils.
Embodiment 4:
This composite additive bag, wherein sulfur-bearing 23.6%, phosphorus 1.20%, nitrogen 1.14%.
The preparation method of this synthesis automotive gear oils, adopts following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and III class base oil toothed gear pump are pumped in mediation Fu, heated and stirred, mixes to obtain mixing oil A at constant temperature 55 DEG C;
(2) in the obtained mixing oil A of step (1), add composite additive bag, the pour point depressant (polymethacrylate) of above-mentioned weight, continue mechanical stirring 2h under constant temperature 55 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained being filtered, under 0.15MPa pressure, through there being the metre filter of filter bag device, obtaining limpid transparent synthesis automotive gear oils.
Embodiment 5:
This composite additive bag, wherein sulfur-bearing 26.2%, phosphorus 1.05%, nitrogen 1.44%.
The preparation method of this synthesis automotive gear oils, adopts following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and II class base oil toothed gear pump are pumped in mediation Fu, heated and stirred, mixes to obtain mixing oil A at constant temperature 60 DEG C;
(2) in the obtained mixing oil A of step (1), add composite additive bag, the pour point depressant (polymethacrylate) of above-mentioned weight, continue mechanical stirring 1.5h under constant temperature 60 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained being filtered, under 0.2MPa pressure, through there being the metre filter of filter bag device, obtaining limpid transparent synthesis automotive gear oils.
Embodiment 6:
This composite additive bag, wherein sulfur-bearing 22.8%, phosphorus 1.26%, nitrogen 1.24%.
The preparation method of this synthesis automotive gear oils, adopts following steps:
(1) oil soluble polyalkylene glycol of above-mentioned weight and III class base oil toothed gear pump are pumped in mediation Fu, heated and stirred, mixes to obtain mixing oil A at constant temperature 55 DEG C;
(2) in the obtained mixing oil A of step (1), add composite additive bag, the pour point depressant (polymethacrylate) of above-mentioned weight, continue mechanical stirring 2h under constant temperature 55 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained being filtered, under 0.15MPa pressure, through there being the metre filter of filter bag device, obtaining limpid transparent synthesis automotive gear oils.
The present invention synthesizes automotive gear oils, quality scale reaches GL-5, viscosity grade relates to 70W-90,75W-90,80W-90,80W-140,85W-90,85W-140 etc. 6, and the various gears operated under being used in high speed impact load, high speed low torque, low speed and large torque, all kinds of automobile gear be the hyperbolic line of heavy loading and the lubrication of spiral bevel gear, oil lubrication cross-pin type joint and manual steering gear etc. especially.
Compared with conventional automotive gear oils, the present invention synthesizes automotive gear oils and has the following advantages:
A) pour point (experimental technique ASTM D97), the pour point that the present invention synthesizes automotive gear oils is lower than conventional automotive gear oils 15 ~ 30 DEG C, more adapts to extreme low temperature applied environment;
B) channel point (experimental technique SH/T0030), the present invention synthesizes automotive gear oils and reduces by 10 ~ 30 DEG C than conventional automotive gear oils, operates free and relaxed under extreme low temperature applied environment;
C) open flash point (experimental technique ASTM D92), the flash-point that the present invention synthesizes automotive gear oils is higher than traditional automotive gear oils 20 ~ 40 DEG C, and use safer, volatility is lower;
D) viscosity index (experimental technique ASTM D2270), the present invention synthesizes automotive gear oils can improve 20 ~ 40, and viscosity-temperature characteristics can be better, and high-temperature viscosity rate of descent reduces by 15 ~ 30%, and high temperature oil-film retention property is better;
E) depositional control and cleansing performance (experimental technique ASTM D2893B), the present invention synthesizes automotive gear oils and seldom produces deposition, and acid number change and viscosity change little, have obvious cleansing performance;
F) hydrolysis stability (experimental technique ASTM D 2619), the present invention synthesizes automotive gear oils while other IV class of reservation and V class synthetic gear oil performance, improve hydrolysis stability, especially compare with synthesizing ester automotive gear oils, hydrolysis stability improves 30 ~ 70%;
G) air release property (experimental technique ASTM D3427), the air release value that the present invention synthesizes automotive gear oils is lower than conventional automotive gear oils by 70 ~ 80%, greatly can reduce the cavitation corrosion of oil product to gear apparatus, slow down oil product aging, extend oil product work-ing life;
H) friction resistant ability (experimental technique SH/T0519), the present invention synthesizes automotive gear oils and reduces by 10 ~ 30% than conventional automotive gear oils friction ratio, namely can provide film at the friction initial stage, prevents friction;
I) overlength life cycle, the drain period that the present invention synthesizes automotive gear oils is 1 ~ 5 times of conventional automotive gear oils.
Claims (5)
1. synthesize an automotive gear oils, it is characterized in that: the component comprising following weight percent is made: composite additive bag 4.0 ~ 13.0%, oil soluble polyalkylene glycol 70 ~ 90%, oil based on surplus;
Described composite additive handbag draws together extreme pressure anti-wear additives 3.0 ~ 7.0%, friction improver 0.5 ~ 3.0%, oxidation inhibitor 0.5 ~ 2.5% and rust-preventive agent 0.01 ~ 0.5%, kilfoam 0.0001 ~ 0.01%; Described extreme pressure anti-wear additives is organic sulfide extreme pressure anti-wear additives, Organophosphorous compounds extreme pressure anti-wear additives or organic chloride extreme pressure anti-wear additives; Described friction improver is organic-molybdenum, organosulfur or Phosphorus Contained Friction Modifier; Described oxidation inhibitor is ashless aromatic amine oxidation inhibitor or Hinered phenols antioxidant; Described rust-preventive agent is sulfonate, organic amine or heterogeneous ring compound; Described kilfoam is organosilicon kilfoam or compound kilfoam;
Described oil soluble polyalkylene glycol is the oil-soluble polymers obtained by block polymerization, random copolymerization, oppositely block;
Described base oil is II class base oil, III class base oil, synthesis hydrocarbon base oil or synthetic ester base oil.
2. one synthesis automotive gear oils according to claim 1, is characterized in that: also comprise pour point depressant 0.1 ~ 0.5%.
3. one synthesis automotive gear oils according to claim 2, is characterized in that: described pour point depressant is polymethacrylate.
4. a preparation method for synthesis automotive gear oils as claimed in claim 1, is characterized in that: comprise the steps:
(1) by oil soluble polyalkylene glycol and base oil mixing, heated and stirred, mixes to obtain mixing oil A at constant temperature 50 ~ 60 DEG C;
(2) in the obtained mixing oil A of step (1), add composite additive bag, continue stirring 1 ~ 2h under constant temperature 50 ~ 60 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained is filtered under 0.1MPa ~ 0.2MPa pressure, obtain limpid transparent synthesis automotive gear oils.
5. a preparation method for synthesis automotive gear oils as claimed in claim 2, is characterized in that: comprise the steps:
(1) by oil soluble polyalkylene glycol and base oil mixing, heated and stirred, mixes to obtain mixing oil A at constant temperature 50 ~ 60 DEG C;
(2) in the obtained mixing oil A of step (1), add composite additive bag, pour point depressant, continue stirring 1 ~ 2h under constant temperature 50 ~ 60 DEG C of conditions, obtained mixing oil B;
(3) the mixing oil B that step (2) is obtained is filtered under 0.1MPa ~ 0.2MPa pressure, obtain limpid transparent synthesis automotive gear oils.
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| CN109233968A (en) * | 2018-11-09 | 2019-01-18 | 安徽中天石化股份有限公司 | A kind of High-quality automobile lubricating oil |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1510114A (en) * | 2000-12-08 | 2004-07-07 | 申保安 | Gear lube oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510114A (en) * | 2000-12-08 | 2004-07-07 | 申保安 | Gear lube oil |
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| 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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| Publication number | Publication date |
|---|---|
| CN103710114A (en) | 2014-04-09 |
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Address after: 264006 No. 1, Yichang Road, development zone, Yantai City, Shandong Province Patentee after: Yantai Degao Petroleum Co.,Ltd. Address before: 264006 Kexin Industrial Park, No. 38 Tianshan Road, Yantai Development Zone, Shandong Province Patentee before: TEXAS PETROCHEM (YANTAI) Ltd. |
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Denomination of invention: A Synthetic Automotive Gear Oil and Its Preparation Method Effective date of registration: 20231031 Granted publication date: 20150708 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: Yantai Degao Petroleum Co.,Ltd. Registration number: Y2023980063455 |