CN104830402A - Polyester lubricating oil and process - Google Patents
Polyester lubricating oil and process Download PDFInfo
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- CN104830402A CN104830402A CN201510256680.8A CN201510256680A CN104830402A CN 104830402 A CN104830402 A CN 104830402A CN 201510256680 A CN201510256680 A CN 201510256680A CN 104830402 A CN104830402 A CN 104830402A
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Abstract
The invention discloses polyester lubricating oil and a blending process thereof. The polyester lubricating oil comprises the following components in percentage by mass: 18-25 percent of PAO4 base oil, 38-44 percent of PAO6 base oil, 12-16 percent of polyol ester base oil, 10-12 percent of a tackifier, 0.2-0.5 percent of a pour point reducer, 0.7-1.2 percent of a friction modifier and 11.30001-12.70003 percent of a complexing agent, wherein the complexing agent comprises 8.0-8.5 mass percent of high-alkali number petroleum calcium sulfonate, 2.0-2.5 mass percent of zinc butyl octyl dithiophosphate, 1.3-1.7 mass percent of zinc dialkyl dithiophosphate and 0.0001-0.0003 percent of methyl silicone oil ester. The polyester lubricating oil disclosed by the invention can meet the performance of the traditional lubricating oil, is high in stability, can achieve the effects of reducing pollution emission and energy consumption and automatically repairing abrasion equipment and has an environment-friendly effect.
Description
Technical field
The invention belongs to lubricating oil field, particularly a kind of polyester lubricating oil and Blending thereof.
Background technology
Lubricating oil is mainly used in various automobile and technical field of mechanical equipment, can reduce friction, protection machinery and the liquid lubricant of workpiece, its effect mainly play lubrication, cooling, antirust, clean, seal and the effect such as buffering.General lubricating oil is mostly add a small amount of additive by base oil to be prepared from.Following two classes can be divided into: a class is obtained with crude oil processing, namely by the mineral oil distilled or underpressure distillation mode abstracts from crude oil for base oil; Another kind of is the synthetic oil produced by the means of chemosynthesis.
At present, in order to make existing base oil become engine oil after improving performance by supplemented by additives, equalization can be applied, when namely mixing additive in base oil, the amount of often kind of additive is moderate, the compatibleness between such guarantee additive and base oil.
In traditional base oil formula, for low side lubricating oil product, base oil generally uses I class base oil, there is unstable defect in such base oil, because unsaturated hydrocarbons content is wherein higher easily oxidized and rotten, and central sulphur, the content of nitrogen and phosphorous also higher easy oxidized generation sulfide and nitride, emitted by acidic substance, this oxide compound not only has very large harm to environment but also easily forms carbon distribution, paint film or corrode engine on the engine.For middle and high end oil product, III class base oil selected mostly by base oil, the lubricating oil poor stability that such base oil is in harmonious proportion, and because the consistency of such base oil and additive is poor, easily causes some kind additive to be separated out.In addition, no matter be I class base oil or III class base oil, low-temperature performance is not very outstanding, this use under result also in low temperature environment by such base oil be in harmonious proportion lubricating oil time, its energy consumption is very large, and can not carry out selfreparing to the wearing and tearing of engine.
Summary of the invention
In view of the above problems, the object of the present invention is to provide a kind of performance that can not only meet conventional lubrication oil, and good stability can also reduce pollution emissions and energy consumption, and wear equipment is repaired automatically, and the polyester lubricating oil of environmental protection and Blending thereof.
For achieving the above object, a kind of polyester lubricating oil provided by the invention, wherein, this polyester lubricating oil comprise mass ratio be 18 ~ 25% PAO4 base oil, mass ratio be 38 ~ 44% PAO6 base oil, mass ratio be 12 ~ 16% polyol ester basis oil, the mass ratio tackifier that are 10 ~ 12%, the mass ratio pour point depressant that is 0.2 ~ 0.5%, mass ratio be the friction improver of 0.7 ~ 1.2%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.
Recombiner comprise mass ratio be 8.0 ~ 8.5% high base number calcium mahogany sulfonate, mass ratio be 2.0 ~ 2.5% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.3 ~ 1.7%, and mass ratio is the methyl-silicone oil ester of 0.0001 ~ 0.0003%.
Another object of the present invention is, a kind of polyester lubricating oil is provided, wherein, this polyester lubricating oil comprise mass ratio be 20% PAO4 base oil, mass ratio be 40% PAO6 base oil, mass ratio be 15% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
Another object of the present invention is, a kind of polyester lubricating oil is provided, wherein, this polyester lubricating oil comprise mass ratio be 22.8% PAO4 base oil, mass ratio be 39% PAO6 base oil, mass ratio be 13% polyol ester basis oil, the mass ratio tackifier that are 11.8%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
Another object of the present invention is, a kind of polyester lubricating oil is provided, wherein, this polyester lubricating oil comprise mass ratio be 18% PAO4 base oil, mass ratio be 38% PAO6 base oil, mass ratio be 15% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
Another object of the present invention is, a kind of polyester lubricating oil is provided, wherein, this polyester lubricating oil comprise mass ratio be 21% PAO4 base oil, mass ratio be 40% PAO6 base oil, mass ratio be 14% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
In some embodiments, tackifier are poly-hydrogenated styrene isoprene.
In some embodiments, pour point depressant is alkylnaphthalene.
In some embodiments, friction improver is tritolyl phosphate.
Another object of the present invention is, provide a kind of Blending of polyester lubricating oil, concrete steps are as follows:
1st step: pump into base oil; The larger PAO6 of viscosity is first pumped in clean mediation groove, drop into the less PAO4 of viscosity successively again, finally adding polyol ester, in order to make base oil fully mix need to start to be in harmonious proportion the agitator of groove and the recycle system be warming up to 40 DEG C of constant temperature 20 minutes after adding base oil;
2nd step: add additive in mediation groove; Because tackifier viscosity is very large, normal temperature is baffled totally, adds after therefore first tackifier should being preheating to about 65 DEG C again; And the viscosity of recombiner own is also large, baffles out during normal temperature, therefore adding after first recombiner should being heated to about 55 DEG C.The front and back that additive adds are tackifier, recombiner, friction improver, pour point depressant successively, for saving the production time, opening and stirring and temperature in groove is risen to 60 ± 2 DEG C when adding agent;
3rd step: constant temperature stirs sampling after 1 hour and detects.
The invention has the beneficial effects as follows the performance having and can not only meet conventional lubrication oil, and good stability can also reduce pollution emissions and energy consumption, and the effect of reparation is automatically carried out to wear equipment.
One, the advantage of both base oil PAO4, PAO6 is that the two is by the base oil of alpha-olefin polymerization, resistance of oxidation is strong, good thus the little save energy that rubs when causing cold-starting of low-temperature performance, and the two not sulfur-bearing phosphoric, decrease the discharge of pollutent, these two kinds of base oil adhesivityes are strong in addition, automatically can repair abrasive parts.
They are two years old, the advantage of polyol ester is that the ester group in alkoxide base oil is very strong to the solvability of additive, thus make processed oil system highly stable, good thus the little save energy that rubs when causing cold-starting of low-temperature performance, and polyol ester adhesivity is extremely strong, the friction produced when effectively decreasing cold start-up, save the energy.
Its three, poly-hydrogenated styrene isoprene has excellent shear stability, thickening capabilities, thermostability, can improve oil product viscosity temperature characteristic significantly, can effectively improve oil body index.
Its four, alkylnaphthalene has fabulous adsorptivity, can well adsorb or eutectic changes structure and the size of wax with wax, thus reduces the condensation point of lubricating oil.
Its five, tritolyl phosphate it there is outstanding wear-resistant effect, significantly can reduce the friction factor between friction means, reduce the wearing and tearing of engine and energy consumption.
Its six, high base number calcium mahogany sulfonate effectively can reduce the high temperature deposition thing on engine, can better digital preservation engine, avoids the corrosion of oxidising acid material, and can extend the oil draining period; In addition, the base number of lubricating oil can also be improved, to control the change of acid number after high temperature oxidation, very good with the compatibleness of other additives, there is outstanding advantage improving in the detergency of lubricating oil, ashless property and calcium contents.
They are seven years old, sulphur phosphorus fourth octyl group zinc salt has good anti-oxidant, anticorrosive, extreme pressure and antiwear behavior, can effectively after anti-oxidation the growth of oil product viscosity and oxidation products motor bearing is corroded, oil soluble and compatibleness good, the resistance to abrasion of lubricating oil can also be improved.
Its eight, zinc dialkyl dithiophosphate can effectively reduce the frictional coefficient between moving parts, at the protective membrane that moving parts surface is formed, can the wear-resistant and supporting capacity that meets of larger enhancing; The high temperature antioxidant of product can also be improved, and the oiliness of lubricating oil can be improved.
Its nine, methyl-silicone oil ester has fabulous dispersiveness, well can play and suppress the effect of bubble formation in lubricating oil.
They are ten years old, in addition, Blending is simple, the polyester base oil low-temperature performance selected is superior, decrease the wearing and tearing of cold start-up, and the not element such as sulfur-bearing, phosphorus, nitrogen in such base oil, thus decrease the discharge of exhaust pollutant, in addition polyester base oil is also to the solubility property of additive, can play self-repair function by force to engine parts adhesivity to abrading section.
Embodiment
Below invention is described in further detail.
A kind of polyester lubricating oil, comprise mass ratio be 18 ~ 25% PAO4 base oil, mass ratio be 38 ~ 44% PAO6 base oil, mass ratio be 12 ~ 16% polyol ester basis oil, the mass ratio tackifier that are 10 ~ 12%, the mass ratio pour point depressant that is 0.2 ~ 0.5%, mass ratio be the friction improver of 0.7 ~ 1.2%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.0 ~ 8.5% high base number calcium mahogany sulfonate, mass ratio be 2.0 ~ 2.5% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.3 ~ 1.7%, and mass ratio is the methyl-silicone oil ester of 0.0001 ~ 0.0003%.
Embodiment 1
A kind of polyester lubricating oil, comprise mass ratio be 20% PAO4 base oil, mass ratio be 40% PAO6 base oil, mass ratio be 15% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.Tackifier are poly-hydrogenated styrene isoprene.Pour point depressant is alkylnaphthalene.
Embodiment 2
A kind of polyester lubricating oil, comprise mass ratio be 22.8% PAO4 base oil, mass ratio be 39% PAO6 base oil, mass ratio be 13% polyol ester basis oil, the mass ratio tackifier that are 11.8%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.Tackifier are poly-hydrogenated styrene isoprene.Pour point depressant is alkylnaphthalene.
Embodiment 3
A kind of polyester lubricating oil, comprise mass ratio be 18% PAO4 base oil, mass ratio be 38% PAO6 base oil, mass ratio be 15% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.Tackifier are poly-hydrogenated styrene isoprene.Pour point depressant is alkylnaphthalene.
Embodiment 4
A kind of polyester lubricating oil, comprise mass ratio be 21% PAO4 base oil, mass ratio be 40% PAO6 base oil, mass ratio be 14% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%.Recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.Tackifier are poly-hydrogenated styrene isoprene.Pour point depressant is alkylnaphthalene.
A Blending for polyester lubricating oil, concrete steps are as follows: the 1st step: pump into base oil; The larger PAO6 of viscosity is first pumped in clean mediation groove, drop into the less PAO4 of viscosity successively again, finally adding polyol ester, in order to make base oil fully mix need to start to be in harmonious proportion the agitator of groove and the recycle system be warming up to 40 DEG C of constant temperature 20 minutes after adding base oil.2nd step: add additive in mediation groove; Because tackifier viscosity is very large, normal temperature is baffled totally, adds after therefore first tackifier should being preheating to about 65 DEG C again; And the viscosity of recombiner own is also large, baffles out during normal temperature, therefore adding after first recombiner should being heated to about 55 DEG C.The front and back that additive adds are tackifier, recombiner, friction improver, pour point depressant successively, for saving the production time, opening and stirring and temperature in groove is risen to 60 ± 2 DEG C when adding agent.3rd step: constant temperature stirs sampling after 1 hour and detects.
Test the finished product of embodiment 1,2,3,4, detected result is as shown in table 1, table 2.
The endurance check detected result table of table 1 embodiment of the present invention 1 ~ embodiment 4
The endurance check detected result table of table 2 embodiment of the present invention 1 ~ embodiment 4
The polyester lubricating oil that embodiment 1,2,3,4 obtains is proved by test, this lubricating oil is very outstanding to the solvability of additive, wearing and tearing when possessing excellent low-temperature performance and effectively can reduce engine cold-start and selfreparing is carried out, increasing service life of engine to abrading section; In addition also significantly improve fuel efficiency, reduce fuel oil consumption; The discharge of obvious minimizing tail gas nuisance, reduces atmospheric pollution, protection of the environment; Effective improvement engine operating environments.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to the protection domain of invention.
Claims (9)
1. a polyester lubricating oil, wherein, this polyester lubricating oil comprise mass ratio be 18 ~ 25% PAO4 base oil, mass ratio be 38 ~ 44% PAO6 base oil, mass ratio be 12 ~ 16% polyol ester basis oil, the mass ratio tackifier that are 10 ~ 12%, the mass ratio pour point depressant that is 0.2 ~ 0.5%, mass ratio be the friction improver of 0.7 ~ 1.2%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%;
Described recombiner comprise mass ratio be 8.0 ~ 8.5% high base number calcium mahogany sulfonate, mass ratio be 2.0 ~ 2.5% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.3 ~ 1.7%, and mass ratio is the methyl-silicone oil ester of 0.0001 ~ 0.0003%.
2. a polyester lubricating oil, wherein, this polyester lubricating oil comprise mass ratio be 20% PAO4 base oil, mass ratio be 40% PAO6 base oil, mass ratio be 15% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%;
Described recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
3. a polyester lubricating oil, wherein, this polyester lubricating oil comprise mass ratio be 22.8% PAO4 base oil, mass ratio be 39% PAO6 base oil, mass ratio be 13% polyol ester basis oil, the mass ratio tackifier that are 11.8%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%;
Described recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
4. a polyester lubricating oil, wherein, this polyester lubricating oil comprise mass ratio be 18% PAO4 base oil, mass ratio be 38% PAO6 base oil, mass ratio be 15% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%;
Described recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
5. a polyester lubricating oil, wherein, this polyester lubricating oil comprise mass ratio be 21% PAO4 base oil, mass ratio be 40% PAO6 base oil, mass ratio be 14% polyol ester basis oil, the mass ratio tackifier that are 11.6%, the mass ratio pour point depressant that is 0.3%, mass ratio be the friction improver of 1%, and mass ratio is the recombiner of 11.30001 ~ 12.70003%;
Described recombiner comprise mass ratio be 8.3% high base number calcium mahogany sulfonate, mass ratio be 2.3% sulphur phosphorus fourth octyl group zinc salt and mass ratio be the zinc dialkyl dithiophosphate of 1.5%, and mass ratio is the methyl-silicone oil ester of 0.0002%.
6. a kind of polyester lubricating oil according to claim 1,2,3,4 or 5, is characterized in that, described tackifier are poly-hydrogenated styrene isoprene.
7. a kind of polyester lubricating oil according to claim 1,2,3,4 or 5, it is characterized in that, described pour point depressant is alkylnaphthalene.
8. a kind of polyester lubricating oil according to claim 1,2,3,4 or 5, it is characterized in that, described friction improver is tritolyl phosphate.
9. a Blending for polyester lubricating oil, concrete steps are as follows:
1st step: pump into base oil;
The larger PAO6 of viscosity is first pumped in clean mediation groove, drop into the less PAO4 of viscosity successively again, finally adding polyol ester, in order to make base oil fully mix need to start to be in harmonious proportion the agitator of groove and the recycle system be warming up to 40 DEG C of constant temperature 20 minutes after adding base oil;
2nd step: add additive in mediation groove;
Because tackifier viscosity is very large, normal temperature is baffled totally, adds after therefore first tackifier should being preheating to about 65 DEG C again; And the viscosity of recombiner own is also large, baffles out during normal temperature, therefore adding after first recombiner should being heated to about 55 DEG C.The front and back that additive adds are tackifier, recombiner, friction improver, pour point depressant successively, for saving the production time, opening and stirring and temperature in groove is risen to 60 ± 2 DEG C when adding agent;
3rd step: constant temperature stirs sampling after 1 hour and detects.
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| CN201510256680.8A CN104830402A (en) | 2015-05-19 | 2015-05-19 | Polyester lubricating oil and process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108410554A (en) * | 2018-03-09 | 2018-08-17 | 圣保路石油化工（天津）股份有限公司 | A kind of engine oil meeting European standard ACEA |
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