CN103666706A - Synthetic diesel engine oil and preparation method thereof - Google Patents
Synthetic diesel engine oil and preparation method thereof Download PDFInfo
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- CN103666706A CN103666706A CN201310728800.0A CN201310728800A CN103666706A CN 103666706 A CN103666706 A CN 103666706A CN 201310728800 A CN201310728800 A CN 201310728800A CN 103666706 A CN103666706 A CN 103666706A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000010710 diesel engine oil Substances 0.000 title abstract description 11
- 239000003921 oil Substances 0.000 claims abstract description 71
- 239000010705 motor oil Substances 0.000 claims abstract description 47
- 239000000654 additive Substances 0.000 claims abstract description 28
- 230000000996 additive effect Effects 0.000 claims abstract description 28
- 239000002199 base oil Substances 0.000 claims abstract description 23
- 239000002131 composite material 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 14
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 14
- 239000002283 diesel fuel Substances 0.000 claims description 45
- 238000002156 mixing Methods 0.000 claims description 40
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- 229920000642 polymer Polymers 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
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- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-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
- 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
- 150000004982 aromatic amines Chemical class 0.000 claims description 2
- 239000003599 detergent Substances 0.000 claims description 2
- 150000002989 phenols Chemical class 0.000 claims description 2
- 238000006116 polymerization reaction Methods 0.000 claims description 2
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 2
- 238000011068 loading method Methods 0.000 abstract description 3
- 230000009194 climbing Effects 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 230000001681 protective effect Effects 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
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 7
- 229910052725 zinc Inorganic materials 0.000 description 7
- 239000011701 zinc Substances 0.000 description 7
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- 238000010907 mechanical stirring Methods 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical group C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 5
- 230000008021 deposition Effects 0.000 description 4
- 239000000295 fuel oil Substances 0.000 description 4
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 239000000126 substance Substances 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
- 238000009834 vaporization Methods 0.000 description 2
- 230000008016 vaporization Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-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
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 108010011222 cyclo(Arg-Pro) Proteins 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
- 239000007789 gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
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- 239000004071 soot Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lubricants (AREA)
Abstract
The invention relates to the field of engine oil and particularly discloses synthetic diesel engine oil and a preparation method thereof. The synthetic diesel engine oil comprises the following components in percentage by weight: 5.31-11.5% of a composite additive, 5.0-9.0% of a viscosity index improver, 70-85% of oil soluble polyalkylene glycol and the balance of base oil. The synthetic diesel engine oil has the following benefits: the composition is reasonable, and the high-temperature oxidation stability, thermal stability, detergent-dispersibility and long oil change period are highlighted; at high temperature, the synthetic diesel engine oil film is tougher, and at low temperature, the synthetic diesel engine oil has higher flow rate and higher starting protective capacity, so that oil is saved; in addition, the synthetic diesel engine oil has excellent detergency property, is suitable for a vehicle which is frequently under long-distance, heavy-load and climbing working environments and frequently goes to areas with greatly different climates and terrains, and can be used for lubricating a naturally aspirated diesel engine or turbocharging heavy loading diesel engine equipped with an EGR, a DPF, and an SCR emission control device.
Description
(1) technical field
The present invention relates to engine oil field, particularly a kind of combined diesel oil engine oil and preparation method thereof.
(2) background technology
Novel truck, passenger vehicle, engineering truck and stationary diesel unit assemble the engines such as Europe III, Europe IV mostly; these engine structures are compact; generally adopt the technology such as late injection, high-pressure common rail, exhaust gas recirculation EGR; working temperature is high; use existing diesel engine oil to degrade by Quick Oxidation; soot carbon distribution pollution grows worse, wearing and tearing aggravation, can not protect engine well.
(3) summary of the invention
The present invention, in order to make up the deficiencies in the prior art, provides combined diesel oil engine oil that a kind of component is reasonable, the drain period is long, detergent-dispersant performance is good, high-temperature oxidation stability is good, starting protection ability is stronger and preparation method thereof.
The present invention is achieved through the following technical solutions:
A combined diesel oil engine oil, comprises that the component of following weight percent is made: composite additive bag 5.31～11.5%, viscosity index improver 5.0～9.0%, oil soluble polyalkylene glycol 70～85%, surplus is base oil.
This combined diesel oil engine oil, also comprises pour point depressant 0.1～0.5%.
Described composite additive bag, comprises detergent-dispersant additive 5.0～10.0% and oxidation inhibitor 0.3～1.0%, also comprises rust-preventive agent 0.01～0.5% and/or kilfoam 0.0001～0.01%.
Described detergent-dispersant additive, for having grey detergent-dispersant additive or ashless detergent dispersant, can suppress and reduce engine at the high temperature deposition thing of piston region Surface Creation, and the greasy filth generating in crankcase and circulating oil path when engine low temperature is moved is scattered in oil.High base number deposit, continues the oxygen acid that neutral lubrication oil and fuel oil oxidation generate, and stops oxidation, reduces paint film; 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; in metallic surface, form molecule protective layer closely, prevent corrosion.
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.
Described viscosity index improver is polymethacrylate or vinylbenzene and diene copolymer, increases oil product viscosity, improves viscosity index, and low-temperature startup is good, reduces wearing and tearing, saves fuel oil, can all-season.
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, also 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 combined diesel oil engine 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, viscosity index improver, 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 combined diesel oil engine oil.
The preparation method of this combined diesel oil engine 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, viscosity index improver, 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 combined diesel oil engine oil.
The beneficial effect of combined diesel oil engine 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, give prominence to high-temperature oxidation stability, heat-resistant quality, detergent-dispersant performance and long drain period, reached balance and the unification of overall performance; During high temperature, oil film is more tough; during low temperature, flow velocity is faster; starting protection ability is stronger; save fuel oil; also there is outstanding cleansing performance simultaneously; be suitable for often in Working environments such as long-distance, heavily loaded, climbings, be frequently to and from the vehicle in weather and the great region of landform difference, can be used for being equipped with EGR, DPF, SCR emission control system, natural aspiration or turbo-charging heavy loading diesel motor and lubricate.
(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 calcic 2.85%, zinc 0.94%, nitrogen 0.65%, phosphorus 0.86%, molybdenum 0.04%, boron 0.36%.
The preparation method of this combined diesel oil engine 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, the viscosity index improver (polymethacrylate) that in the mixing oil A making to step (1), add above-mentioned weight, continue 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 combined diesel oil engine oil.
Embodiment 2:
This composite additive bag, wherein calcic 3.85%, zinc 1.40%, nitrogen 0.86%, phosphorus 1.22%.
The preparation method of this combined diesel oil engine 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, the viscosity index improver (hydrogenated styrene isoprene copolymer) that in the mixing oil A making to step (1), add above-mentioned weight, continue 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 combined diesel oil engine oil.
Embodiment 3:
This composite additive bag, wherein calcic 0.89%, zinc 1.15%, nitrogen 0.72%, phosphorus 1.12%, magnesium 0.88%.
The preparation method of this combined diesel oil engine 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, the viscosity index improver (vinylbenzene and diene copolymer) that in the mixing oil A making to step (1), add above-mentioned weight, continue 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 combined diesel oil engine oil.
Embodiment 4:
This composite additive bag, wherein calcic 2.45%, zinc 1.27%, nitrogen 0.56%, phosphorus 1.16%.
The preparation method of this combined diesel oil engine 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, viscosity index improver (hydrogenated styrene isoprene copolymer), the pour point depressant (polymethacrylate) that in the mixing oil A making to step (1), add above-mentioned weight, under 55 ℃ of conditions of constant temperature, continue mechanical stirring 2h, make 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 combined diesel oil engine oil.
Embodiment 5:
This composite additive bag, wherein calcic 3.85%, zinc 1.40%, nitrogen 0.86%, phosphorus 1.22%.
The preparation method of this combined diesel oil engine 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, viscosity index improver (hydrogenated styrene isoprene copolymer), the pour point depressant (polymethacrylate) that in the mixing oil A making to step (1), add above-mentioned weight, under 60 ℃ of conditions of constant temperature, continue mechanical stirring 1.5h, make 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 combined diesel oil engine oil.
Embodiment 6:
This composite additive bag, wherein calcic 3.85%, zinc 1.40%, nitrogen 0.86%, phosphorus 1.22%.
The preparation method of this combined diesel oil engine 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, viscosity index improver (hydrogenated styrene isoprene copolymer), the pour point depressant (polymethacrylate) that in the mixing oil A making to step (1), add above-mentioned weight, under 60 ℃ of conditions of constant temperature, continue mechanical stirring 1.5h, make 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 combined diesel oil engine oil.
Combined diesel oil engine oil of the present invention, quality scale reaches CH-4, CI-4 and CJ-4, viscosity grade relates to 7 of 5W-30,5W-40,10W-30,10W-40,15W-40,5W-50,20W-50 etc., can be used for being equipped with EGR, DPF, SCR emission control system, natural aspiration or turbo-charging heavy loading diesel motor lubricated.
Compare with conventional diesel engine oil, combined diesel oil engine oil of the present invention has the following advantages:
A) pour point (experimental technique ASTM D97), the pour point of combined diesel oil engine oil of the present invention is lower 15～30 ℃ than conventional diesel engine oil, more adapts to extreme low temperature applied environment;
B) low temperature coefficient of dynamic viscosity (experimental technique ASTM D5293), combined diesel oil engine oil of the present invention is under equal cold condition, and low temperature coefficient of dynamic viscosity reduces by 15～30%, in cold start-up moment, more near Bodhidharma, wipes surface lubrication, wear prevention;
C) open flash point (experimental technique ASTM D92), combined diesel oil engine oil flash of the present invention is than 20～40 ℃ of conventional diesel motor innages, uses safelyr, and volatility is lower;
D) viscosity index (experimental technique ASTM D2270), combined diesel oil engine oil of the present invention can improve 15～30, 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 combined diesel oil engine oil of the present invention seldom produces deposition, and acid number variation and viscosity change little, have obvious cleansing performance;
F) vaporization losses (experimental technique ASTM D5800), the vaporization losses of combined diesel oil engine oil of the present invention on average reduces by 15～30%, and in use, waste during high temperature is still less;
G) total basicnumber (experimental technique ASTM D2896), the total basicnumber retention of combined diesel oil engine oil of the present invention improves 1～3 times, in continuing in use procedure and the acidic substance that produce of fuel oil and machine oil, more lasting to engine protection;
H) endurance check (experimental technique ASTM D6681), combined diesel oil engine oil of the present invention is at apical ring groove charcoal, platform charcoal, and there is excellent performance the aspects such as piston, ring and cylinder sleeve scratch;
I) overlength life cycle, the drain period of combined diesel oil engine oil of the present invention is 1～5 times of conventional diesel engine oil.
Claims (10)
1. a combined diesel oil engine oil, is characterized in that: the component that comprises following weight percent is made: composite additive bag 5.31～11.5%, viscosity index improver 5.0～9.0%, oil soluble polyalkylene glycol 70～85%, surplus is base oil.
2. a kind of combined diesel oil engine oil according to claim 1, is characterized in that: also comprise pour point depressant 0.1～0.5%.
3. a kind of combined diesel oil engine oil according to claim 1 and 2, it is characterized in that: described composite additive bag comprises detergent-dispersant additive 5.0～10.0% and oxidation inhibitor 0.3～1.0%, also comprise rust-preventive agent 0.01～0.5% and/or kilfoam 0.0001～0.01%.
4. a kind of combined diesel oil engine oil according to claim 3, is characterized in that: described detergent-dispersant additive is for having grey detergent-dispersant additive or ashless detergent dispersant; Described oxidation inhibitor is ashless aromatic amine oxidation inhibitor or Hinered phenols antioxidant.
5. a kind of combined diesel oil engine oil according to claim 3, is characterized in that: described rust-preventive agent is sulfonate, organic amine or heterogeneous ring compound.
6. a kind of combined diesel oil engine oil according to claim 3, is characterized in that: described kilfoam is organosilicon kilfoam or compound kilfoam.
7. a kind of combined diesel oil engine oil according to claim 1, is characterized in that: described viscosity index improver is polymethacrylate or vinylbenzene and diene copolymer; 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 combined diesel oil engine oil according to claim 2, is characterized in that: described pour point depressant is polymethacrylate.
9. a preparation method for combined diesel oil engine 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, viscosity index improver, 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 combined diesel oil engine oil.
10. a preparation method for combined diesel oil engine 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, viscosity index improver, 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 combined diesel oil engine oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728800.0A CN103666706B (en) | 2013-12-25 | 2013-12-25 | A kind of combined diesel oil engine oil and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310728800.0A CN103666706B (en) | 2013-12-25 | 2013-12-25 | A kind of combined diesel oil engine oil and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103666706A true CN103666706A (en) | 2014-03-26 |
| CN103666706B CN103666706B (en) | 2016-01-06 |
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| CN104087385A (en) * | 2014-07-14 | 2014-10-08 | 广西大学 | Engine oil composition of formaldehyde resin methanol gasoline |
| CN104194895A (en) * | 2014-08-31 | 2014-12-10 | 广西大学 | Heating-oil-coke-slurry engine oil composition |
| CN104862043A (en) * | 2015-04-27 | 2015-08-26 | 南宁飞日润滑油有限公司 | Heavy-load agricultural diesel engine special oil and production method thereof |
| CN105176661A (en) * | 2015-08-27 | 2015-12-23 | 宁波市蓝润能源科技有限公司 | Novel diesel engine oil and preparation method therefor |
| CN107353975A (en) * | 2017-06-27 | 2017-11-17 | 山西潞安太行润滑油有限公司 | A kind of lubricating oil composition for diesel engine composition |
| CN108441284A (en) * | 2018-03-19 | 2018-08-24 | 东莞太平洋博高润滑油有限公司 | A kind of turbocharged engine special lube and preparation method thereof |
| CN109135889A (en) * | 2018-08-14 | 2019-01-04 | 青岛冠军石油化学有限公司 | A kind of efficient peace and quiet h type engine h oil of ester-contaning compounds and preparation method thereof |
| CN109207236A (en) * | 2017-06-29 | 2019-01-15 | 中国石油化工股份有限公司 | A kind of heavy load diesel engine oil composition and its application |
| CN111411012A (en) * | 2020-03-18 | 2020-07-14 | 江苏国平油品科技有限公司 | Racing car engine oil SN 10W-60 and preparation method thereof |
| CN111763555A (en) * | 2020-07-22 | 2020-10-13 | 南宁广壮润滑油有限公司 | Preparation method of diesel oil with high temperature resistance and excellent low-temperature flow property |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104087385A (en) * | 2014-07-14 | 2014-10-08 | 广西大学 | Engine oil composition of formaldehyde resin methanol gasoline |
| CN104194895A (en) * | 2014-08-31 | 2014-12-10 | 广西大学 | Heating-oil-coke-slurry engine oil composition |
| CN104862043A (en) * | 2015-04-27 | 2015-08-26 | 南宁飞日润滑油有限公司 | Heavy-load agricultural diesel engine special oil and production method thereof |
| CN105176661A (en) * | 2015-08-27 | 2015-12-23 | 宁波市蓝润能源科技有限公司 | Novel diesel engine oil and preparation method therefor |
| CN105176661B (en) * | 2015-08-27 | 2017-09-29 | 宁波蓝润能源科技股份有限公司 | A kind of diesel engine oil and preparation method thereof |
| CN107353975A (en) * | 2017-06-27 | 2017-11-17 | 山西潞安太行润滑油有限公司 | A kind of lubricating oil composition for diesel engine composition |
| CN109207236A (en) * | 2017-06-29 | 2019-01-15 | 中国石油化工股份有限公司 | A kind of heavy load diesel engine oil composition and its application |
| CN108441284A (en) * | 2018-03-19 | 2018-08-24 | 东莞太平洋博高润滑油有限公司 | A kind of turbocharged engine special lube and preparation method thereof |
| CN109135889A (en) * | 2018-08-14 | 2019-01-04 | 青岛冠军石油化学有限公司 | A kind of efficient peace and quiet h type engine h oil of ester-contaning compounds and preparation method thereof |
| CN111411012A (en) * | 2020-03-18 | 2020-07-14 | 江苏国平油品科技有限公司 | Racing car engine oil SN 10W-60 and preparation method thereof |
| CN111763555A (en) * | 2020-07-22 | 2020-10-13 | 南宁广壮润滑油有限公司 | Preparation method of diesel oil with high temperature resistance and excellent low-temperature flow property |
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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 diesel engine oil and its preparation method Effective date of registration: 20231031 Granted publication date: 20160106 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: Yantai Degao Petroleum Co.,Ltd. Registration number: Y2023980063455 |