CN103710114A - 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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- CN103710114A CN103710114A CN201310728951.6A CN201310728951A CN103710114A CN 103710114 A CN103710114 A CN 103710114A CN 201310728951 A CN201310728951 A CN 201310728951A CN 103710114 A CN103710114 A CN 103710114A
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- 239000012208 gear oil Substances 0.000 title claims abstract description 66
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000003921 oil Substances 0.000 claims abstract description 72
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 239000000654 additive Substances 0.000 claims abstract description 24
- 230000000996 additive effect Effects 0.000 claims abstract description 24
- 239000002199 base oil Substances 0.000 claims abstract description 23
- 229920001515 polyalkylene glycol Polymers 0.000 claims abstract description 18
- 230000003647 oxidation Effects 0.000 claims abstract description 13
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 13
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 3
- 238000002156 mixing Methods 0.000 claims description 40
- 239000007866 anti-wear additive Substances 0.000 claims description 10
- 230000000994 depressogenic effect Effects 0.000 claims description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 8
- 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
- 229920000193 polymethacrylate Polymers 0.000 claims description 5
- 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 6
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 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
- 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
- 230000008021 deposition Effects 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
- 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
- 230000006399 behavior Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
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- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 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
- 239000007788 liquid Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 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
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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 a kind of synthetic automobile-used gear oil and preparation method thereof.
(2) background technology
The serviceability of wheel gearing can be subject to the restriction of moment of torsion and speed, surpasses certain moment of torsion and speed, and gear just there will be various forms of damages: wearing and tearing, scratch, spot corrosion or fracture etc.Gear is in most cases to turn round under mixed lubrication, under startup, parking, low-speed heave-load and impact load condition, is mainly boundary lubrication; And at a high speed and when load is not high, be mainly elastic liquid dynamic lubrication, but the high-temperature thermal oxidation intensity of existing automobile-used gear oil can not bear gear moment contact time cannot keep cleaning of the flank of tooth, and dispersiveness and the abrasion resistance of gear oil are poor.
(3) summary of the invention
The present invention is in order to make up the deficiencies in the prior art, provide a kind of component rationally, use safely, there is high detergency and dispersiveness, can keep synthetic automobile-used gear oil that the flank of tooth is clean, abrasion resistance is good and preparation method thereof.
The present invention is achieved through the following technical solutions:
A synthetic automobile-used gear oil, comprises that the component of following weight percent is made: composite additive bag 4.0～13.0%, oil soluble polyalkylene glycol 70～90%, surplus is base oil.
This synthetic automobile-used gear oil, also comprises pour point depressant 0.1～0.5%.
Described composite additive bag comprises 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 low sulfuration, phosphatization or the chlorination metal solid protective membrane of shearing resistance, two metals separately, play anti-skidding honing, abrade the even effect of sintering; Described friction improver is organic-molybdenum, organosulfur or Phosphorus Contained Friction Modifier, its polar group containing has very strong avidity to metallic surface, is adsorbed on metallic surface, forms a kind of protective membrane of similar cushion plate, prevent that metal from directly contacting, reach the object that reduces 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, thereby 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; in metallic surface, dipole and the metallic surface generation electrostatic attraction due to polar molecule forms physical adsorption for it; or the molecule of absorption and the chemisorption that chemically reacts of metal; can form in metallic surface molecule protective layer closely, prevent corrosion.
Described composite additive bag also comprises kilfoam 0.0001～0.01%.
Described kilfoam is organosilicon kilfoam or compound kilfoam, with the colloidal particle form of high dispersing, is adsorbed on the film of foam, by reducing the modes such as surface tension, expansion, makes film attenuation until break, and reaches the object of froth breaking.
Traditional polyethers base oil, is that to take oxyethane, propylene oxide, butylene oxide ring and tetrahydrofuran (THF) etc. be raw material, under catalyst action, and the simple linear polymer that open loop homopolymerization or copolymerization make.Oil soluble polyalkylene glycol of the present invention is not traditional oxyethane (EO) and propylene oxide (PO) homopolymerization copolymerized polymer, but by block polymerization, random copolymerization, the oil-soluble polymers that oppositely block makes, have the following advantages: viscosity grade is extensive, viscosity index is high, high temperature performance is excellent, oil film strength is high, excellent adsorption, having outstanding deposition controls and equipment cleaning, be not hydrolyzed, use safety, and in elastomer compatibility, there is outstanding behaviours the aspects such as water absorbability, especially by alkoxylate chemical technology, improved the poor difficult problem of traditional polyethers base oil and other base oil intermiscibility.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, synthetic hydrocarbon base oil or synthetic ester base plinth oil, with the composite use of 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 oily flow capacity.
The preparation method of this synthetic automobile-used gear oil, comprises the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent synthetic automobile-used gear oil.
The preparation method of this synthetic automobile-used gear oil, comprises the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, pour point depressant, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent synthetic automobile-used gear oil.
The beneficial effect of synthetic automobile-used gear oil of the present invention and preparation method thereof is: select branded oil dissolubility polyalkylene glycol and each additive to carry out composite, component is reasonable, given prominence to 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 in the time of bearing gear moment contact, and can take away in time heat, there is high detergency and dispersiveness, can take away the various throw outs that generated by thermooxidizing or the decomposition of oil product own and polyreaction, keep the flank of tooth clean, guaranteed the abrasion resistance of gear oil, be used in high speed impact load, high speed low torque, the various gears that operate under low speed and large torque, all kinds of automobile gears are hyperbolic line and the spiral bevel gear of heavy loading especially, lubricating 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 conventional preparation method, 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 synthetic automobile-used gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and synthetic ester base plinth oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 60 ℃ of constant temperature;
(2) the composite additive bag that adds above-mentioned weight in the mixing oil A making to step (1), continues mechanical stirring 2h under 60 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.2MPa pressure, through there being the strainer of filter bag device to filter, obtains limpid transparent synthetic automobile-used gear oil.
Embodiment 2:
This composite additive bag, wherein sulfur-bearing 36.1%, phosphorus 1.22%, nitrogen 2.5%.
The preparation method of this synthetic automobile-used gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and synthetic ester base plinth oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 55 ℃ of constant temperature;
(2) the composite additive bag that adds above-mentioned weight in the mixing oil A making to step (1), continues mechanical stirring 1.5h under 55 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.15MPa pressure, through there being the strainer of filter bag device to filter, obtains limpid transparent synthetic automobile-used gear oil.
Embodiment 3:
This composite additive bag, wherein sulfur-bearing 36.5%, phosphorus 1.21%, nitrogen 0.9%.
The preparation method of this synthetic automobile-used gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and synthetic hydrocarbon base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 50 ℃ of constant temperature;
(2) the composite additive bag that adds above-mentioned weight in the mixing oil A making to step (1), continues mechanical stirring 1h under 50 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.1MPa pressure, through there being the strainer of filter bag device to filter, obtains limpid transparent synthetic automobile-used gear oil.
Embodiment 4:
This composite additive bag, wherein sulfur-bearing 23.6%, phosphorus 1.20%, nitrogen 1.14%.
The preparation method of this synthetic automobile-used gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and III class base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 55 ℃ of constant temperature;
(2) the composite additive bag, the pour point depressant (polymethacrylate) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 2h under 55 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.15MPa pressure, through there being the strainer of filter bag device to filter, obtains limpid transparent synthetic automobile-used gear oil.
Embodiment 5:
This composite additive bag, wherein sulfur-bearing 26.2%, phosphorus 1.05%, nitrogen 1.44%.
The preparation method of this synthetic automobile-used gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and II class base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 60 ℃ of constant temperature;
(2) the composite additive bag, the pour point depressant (polymethacrylate) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 1.5h under 60 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.2MPa pressure, through there being the strainer of filter bag device to filter, obtains limpid transparent synthetic automobile-used gear oil.
Embodiment 6:
This composite additive bag, wherein sulfur-bearing 22.8%, phosphorus 1.26%, nitrogen 1.24%.
The preparation method of this synthetic automobile-used gear oil, adopts following steps:
(1) the oil soluble polyalkylene glycol of above-mentioned weight and III class base oil are pumped into and are in harmonious proportion in Fu with toothed gear pump, heated and stirred, mixes to obtain mixing oil A at 55 ℃ of constant temperature;
(2) the composite additive bag, the pour point depressant (polymethacrylate) that in the mixing oil A making to step (1), add above-mentioned weight, continue mechanical stirring 2h under 55 ℃ of conditions of constant temperature, makes mixing oil B;
(3) mixing oil B step (2) being made filters, and under 0.15MPa pressure, through there being the strainer of filter bag device to filter, obtains limpid transparent synthetic automobile-used gear oil.
The present invention synthesizes automobile-used gear oil, quality scale reaches GL-5, viscosity grade relates to 6 of 70W-90,75W-90,80W-90,80W-140,85W-90,85W-140 etc., is used in the various gears that operate under high speed impact load, high speed low torque, low speed and large torque, all kinds of the automobile gear especially hyperbolic line of heavy loading and lubricating of spiral bevel gear, oil lubrication cross-pin type joint and manual steering gear etc.
Compare with the automobile-used gear oil of routine, the synthetic automobile-used gear oil of the present invention has the following advantages:
A) pour point (experimental technique ASTM D97), the pour point of the synthetic automobile-used gear oil of the present invention is lower 15～30 ℃ than conventional automobile-used gear oil, more adapts to extreme low temperature applied environment;
B) channel point (experimental technique SH/T0030), the synthetic automobile-used gear oil of the present invention reduces by 10～30 ℃ than conventional automobile-used gear oil, turns round free and relaxed under extreme low temperature applied environment;
C) open flash point (experimental technique ASTM D92), the synthetic automobile-used gear oil flash of the present invention is than 20～40 ℃ of gear innages for traditional vehicle, uses safelyr, and volatility is lower;
D) viscosity index (experimental technique ASTM D2270), the synthetic automobile-used gear oil of the present invention 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 retentivity is better;
E) deposition is controlled and cleansing performance (experimental technique ASTM D2893B), and the synthetic automobile-used gear oil of the present invention seldom produces deposition, and acid number variation and viscosity change little, have obvious cleansing performance;
F) hydrolysis stability (experimental technique ASTM D2619), the synthetic automobile-used gear oil of the present invention is when retaining other IV class and V class synthetic gear oil performance, improved hydrolysis stability, especially with the automobile-used gear oil of synthesizing ester, compared, hydrolysis stability improves 30～70%;
G) air release property (experimental technique ASTM D3427), the air release value of the synthetic automobile-used gear oil of the present invention is lower by 70～80% than conventional automobile-used gear oil, can greatly 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 synthetic automobile-used gear oil of the present invention reduces by 10～30% than conventional automobile-used gear oil friction ratio, can provide film at the friction initial stage, prevents friction;
I) overlength life cycle, the drain period of the synthetic automobile-used gear oil of the present invention is 1～5 times of conventional automobile-used gear oil.
Claims (10)
1. a synthetic automobile-used gear oil, is characterized in that: the component that comprises following weight percent is made: composite additive bag 4.0～13.0%, oil soluble polyalkylene glycol 70～90%, surplus is base oil.
2. a kind of synthetic automobile-used gear oil according to claim 1, is characterized in that: also comprise pour point depressant 0.1～0.5%.
3. a kind of synthetic automobile-used gear oil according to claim 1 and 2, is characterized in that: described composite additive bag comprises 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%.
4. a kind of synthetic automobile-used gear oil according to claim 3, is characterized in that: 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.
5. a kind of synthetic automobile-used gear oil according to claim 3, is characterized in that: described composite additive bag also comprises kilfoam 0.0001～0.01%.
6. a kind of synthetic automobile-used gear oil according to claim 5, is characterized in that: described kilfoam is organosilicon kilfoam or compound kilfoam.
7. a kind of synthetic automobile-used gear oil according to claim 1, is characterized in that: the oil-soluble polymers of described oil soluble polyalkylene glycol for making by block polymerization, random copolymerization, reverse block; Described base oil is II class base oil, III class base oil, synthetic hydrocarbon base oil or synthetic ester base plinth oil.
8. a kind of synthetic automobile-used gear oil according to claim 2, is characterized in that: described pour point depressant is polymethacrylate.
9. a preparation method for synthetic automobile-used gear oil as claimed in claim 1, is characterized in that: comprise the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent synthetic automobile-used gear oil.
10. a preparation method for synthetic automobile-used gear oil as claimed in claim 2, is characterized in that: comprise the steps:
(1) oil soluble polyalkylene glycol and base oil are mixed, heated and stirred, mixes to obtain mixing oil A at 50～60 ℃ of constant temperature;
(2) in the mixing oil A making to step (1), add composite additive bag, pour point depressant, under 50～60 ℃ of conditions of constant temperature, continue to stir 1～2h, make mixing oil B;
(3) mixing oil B step (2) being made filters under 0.1MPa～0.2MPa pressure, obtains limpid transparent synthetic automobile-used gear oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728951.6A CN103710114B (en) | 2013-12-25 | 2013-12-25 | Gear oil for hybrid vehicle and preparation method of gear oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728951.6A CN103710114B (en) | 2013-12-25 | 2013-12-25 | Gear oil for hybrid vehicle and preparation method of gear oil |
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| Publication Number | Publication Date |
|---|---|
| CN103710114A true CN103710114A (en) | 2014-04-09 |
| CN103710114B CN103710114B (en) | 2015-07-08 |
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| CN201310728951.6A Active CN103710114B (en) | 2013-12-25 | 2013-12-25 | Gear oil for hybrid vehicle and preparation method of gear oil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135871A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of heavy duty automobile gear oil composition and preparation method thereof |
| 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 |
|---|---|---|---|---|
| CN1510114A (en) * | 2000-12-08 | 2004-07-07 | 申保安 | Gear lube oil |
-
2013
- 2013-12-25 CN CN201310728951.6A patent/CN103710114B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510114A (en) * | 2000-12-08 | 2004-07-07 | 申保安 | Gear lube oil |
Non-Patent Citations (1)
| Title |
|---|
| 韩耀坤: "油溶性PAG的性能特点及应用", 《石油商技》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135871A (en) * | 2017-06-27 | 2019-01-04 | 中国石油化工股份有限公司 | A kind of heavy duty automobile gear oil composition and preparation method thereof |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103710114B (en) | 2015-07-08 |
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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 |