CN104293420A - Novel application of extreme-pressure anti-wearing reagent, composition containing extreme-pressure anti-wearing reagent and application of composition - Google Patents
Novel application of extreme-pressure anti-wearing reagent, composition containing extreme-pressure anti-wearing reagent and application of composition Download PDFInfo
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- CN104293420A CN104293420A CN201410496106.5A CN201410496106A CN104293420A CN 104293420 A CN104293420 A CN 104293420A CN 201410496106 A CN201410496106 A CN 201410496106A CN 104293420 A CN104293420 A CN 104293420A
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- antioxygen
- pressure anti
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Abstract
The invention relates to novel application of an extreme-pressure anti-wearing reagent e, a composition containing the extreme-pressure anti-wearing reagent and application of the composition. By adding amino phosphorothioate into anti-oxidation anti-rusting lubricating oil, not only is excellent extreme-pressure anti-wearing property achieved, but also the corrosion of metal at high temperature is alleviated, the viscosity is reduced, and the acid value is increased.
Description
Technical field
The present invention relates to a kind of novelty teabag of extreme pressure anti-wear additives, composition and use thereof containing this material.
Background technology
Along with the development of turbine technology, the gap of bearing and axle becomes less than early stage turbine set, and bearing temperature is along with supercritical steam turbine, particularly internal combustion turbine development and improve rapidly.The gas turbine inlet air temperature used in Combined Cycle Unit at present will reach more than 1200 DEG C, and bearing envrionment temperature reaches 250 DEG C.This high-temperature oxidation stability for the turbine oil run wherein is an acid test.In some turbines with wheel box, the extreme pressure anti-wear of turbine oil also becomes the guarantee ensureing equipment safety operation.
Turbine oil, in operational process, is subject to the impact of air, metal, moisture temperature, produces oxidation, generate after oxidation, aldehyde, ketone, acid and these materials polymkeric substance, generate greasy filth, greasy filth, after high temperature position moisture evaporates, becomes paint film.Greasy filth meeting plug filter system, if the wearing and tearing of bearing can be caused in the gap entering bearing.The paint film formed can block spool in some valve systems, and control is lacked of proper care, causes difficulty in starting, this situation is especially common in the internal combustion turbine of peak regulation.
All focus on high-temperature oxidation stability for high-temperature fuel gas wheel machine oil at present, the general ASTM D4363 of employing or national military standard GJB 563, NB/SH/T0844 measure high temperature oxidation and corrosion performance.This experiment, at 175 DEG C, passes into air with 5L/h flow in 100ml oil sample, and adds various tinsel (steel, copper, aluminium, magnesium, cadmium or silver), measures the projects such as tinsel weightlessness, viscosity growth and acid number increase after 72 hours.The regulation to high temperature oxidation and corrosion test is had in aviation turbine oil, high-temperature fuel gas wheel machine oil (TGB, TGF), single shaft combined cycle combustion/turbine oil (TGSB, TGSE) standard.
Dialkyl dithiophosphate is a kind of extreme pressure anti-wear additives, in document " petroleum journal (refining of petroleum) " the 24th volume the 2nd phase P191 ~ 197 " dialkyl dithiophosphoric acid acrylate is as the experimental study of lubricating oil additive ", author has synthesized the different dialkyl dithiophosphoric acid acrylate (ADDP) of 3 kinds of molecular structures.Show by analyzing, the thermostability of dialkyl dithiophosphoric acid acrylate is better than commercial ZDDP.Alkane chain structures different in ADDP is different on the impact of its abrasion resistance, and the ADDP with branched-chain alkyl has better extreme-pressure anti-wear effect than the ADDP of straight chained alkyl, effectively can improve the extreme pressure and antiwear behavior of lube product.Document " tribology journal " the 23rd volume the 4th phase P311 ~ 315 " tribology of several thiophosphatephosphorothioate in rapeseed oil and demulsification performance research ".Author contrasts and has investigated several thiophosphatephosphorothioate and zinc dialkyl dithiophosphate (ZDDP) tribological property as Additives On The Rapeseed Oil on four-ball friction and wear test machine, result shows: in several phosphoric acid ester molecule, introduce the raising that sulphur makes its extreme pressure and antiwear behavior obtain in various degree, be a kind of potential environmental friendliness multifunctional additive for lubricating oil.Above document all shows that thiophosphatephosphorothioate is a kind of extreme pressure anti-wear additives efficiently, and it has the function of high temperature oxidation and corrosion inhibitor not have document to show.
Summary of the invention
One of technical problem to be solved by this invention is to provide a kind of novelty teabag of extreme pressure anti-wear additives.Two of technical problem to be solved by this invention is to provide a kind of antioxygen anti-rust and lubrication oil compositions containing this extreme pressure anti-wear additives.Three of technical problem to be solved by this invention is to provide the purposes of described antioxygen anti-rust and lubrication oil compositions.
For one of solving the problems of the technologies described above, the technical scheme that the present invention takes is as follows: a kind of novelty teabag of extreme pressure anti-wear additives, and described extreme pressure anti-wear additives is for improving the antioxygen corrosion resistance of oil product; Described extreme pressure anti-wear additives is alkylphosphonothioate.
In technique scheme, preferably, described alkylphosphonothioate is dialkyl dithiophosphate.
In technique scheme, preferably, the structural formula of described dialkyl dithiophosphate is:
Wherein, R is the straight-chain paraffin or the branched paraffin that contain 2 ~ 8 carbon atoms, and n is the integer of 1 ~ 4.
In technique scheme, preferably, R is the straight-chain paraffin or the branched paraffin that contain 3 ~ 6 carbon atoms.
For solve the problems of the technologies described above two, the technical scheme that the present invention takes is as follows: a kind of antioxygen anti-rust and lubrication oil compositions, comprises following component with weight parts:
A) alkylphosphonothioate of 0.005 ~ 0.08 part;
B) composite additive of 0.2 ~ 1.5 part; Described composite additive be selected from IRGOLUBE2030A, IRGOLUBE 2030D or
in at least one;
C) kilfoam of 0.001 ~ 0.1 part;
D) base oil of 97 ~ 99 parts.
In technique scheme, preferably, alkylphosphonothioate is dialkyl dithiophosphate.More preferably, the structural formula of described dialkyl dithiophosphate is:
Wherein, R is the straight-chain paraffin or the branched paraffin that contain 2 ~ 8 carbon atoms, and n is the integer of 1 ~ 4.
In technique scheme, preferably, described kilfoam is selected from least one in methacrylic ester or dimethyl silicone oil.
In technique scheme, preferably, described base oil is selected from hydrocracking base oil, meets APIII, APII
+or APIIII, 40 DEG C of kinematic viscosity are 19 ~ 70mm
2/ s.
In technique scheme, preferably, the consumption of alkylphosphonothioate is 0.01 ~ 0.06 part, and the consumption of composite additive is 0.4-1.2 part, and the consumption of kilfoam is 0.002-0.05 part, and the consumption of base oil is 98-99.5 part.
In technique scheme, preferably, also containing component e in described antioxygen anti-rust and lubrication oil compositions) antioxidant preservative of 0.01-0.15 part, described antioxidant preservative is selected from dialkyl thiocarbamic acid ester or dithiophosphonate.
For solve the problems of the technologies described above three, the technical scheme that the present invention takes is as follows: described antioxygen anti-rust and lubrication oil compositions is for improving the antioxygen corrosion resistance of turbine oil.
IRGOLUBE2030A and IRGOLUBE 2030D described in the present invention is BASF AG's product,
it is AFTON Products.
The present inventor has found the novelty teabag of alkylphosphonothioate uncannily, this compound is added in antioxygen rust preventive lubricating oil, not only can obtain fabulous extreme pressure anti-wear, and metal in high temperature oxidation experiment can be improved, the particularly corrosion of magnesium and cadmium, reduces viscosity growth, acid number growth.
Below by embodiment, the invention will be further elaborated.
Embodiment
[embodiment 1 ~ 6]
According to the parts by weight in table 1, take the composite additive of aequum respectively, (R is sec.-propyl to dialkyl dithiophosphate, n is 3), antioxidant preservative (HiTEC 015, dialkyl dithio amino formate) be added in mineral base oil, at 45 ~ 65 DEG C, heated and stirred is to completely even, add kilfoam again and stir 30 minutes, obtain described composition.In composition, the kind of each component and consumption are in table 1, and oil property is in table 2,3.
[comparative example 1 ~ 2]
According to the parts by weight in table 1, the component taking aequum is respectively added in mineral base oil, and at 45 ~ 65 DEG C, heated and stirred is to completely evenly, then adds kilfoam and stir 30 minutes, obtains the antirust turbine oil composition of described antioxygen.Composition composition is in table 1, and oil property is in table 2,3.
From test result, [comparative example 1] does not add dialkyl dithiophosphate, its high temperature oxidation and corrosion test in viscosity rate of increase and acid number increased value all very high, the corrosion of magnesium and cadmium metal is large.
[comparative example 2] is with dialkyl dithio amino formate antioxidant preservative (H015) 0.05 part of alternative dialkyl dithiophosphate, viscosity rate of increase during high temperature oxidation and corrosion can be made to test and acid number increased value reduce greatly, illustrate that dialkyl dithiophosphate can play the effect of antioxidant preservative.
[embodiment 1 ~ 4] illustrates and add a small amount of dialkyl dithiophosphate in different composite additive, significantly can reduce viscosity rate of increase and acid number increased value.Especially, magnesium corrosion of metal can be eliminated, greatly reduce the corrosion of cadmium metal.
[embodiment 5 ~ 6] description taken in conjunction antioxidant preservative (H015) and dialkyl dithiophosphate, can make oil product meet high temperature oxidation stability test, and reduce the consumption of antioxidant preservative (HiTEC 015).
Claims (10)
1. a novelty teabag for extreme pressure anti-wear additives, described extreme pressure anti-wear additives is for improving the antioxygen corrosion resistance of oil product; Described extreme pressure anti-wear additives is alkylphosphonothioate.
2. the novelty teabag of extreme pressure anti-wear additives according to claim 1, is characterized in that described alkylphosphonothioate is dialkyl dithiophosphate.
3. the novelty teabag of extreme pressure anti-wear additives according to claim 1, is characterized in that the structural formula of described dialkyl dithiophosphate is:
Wherein, R is the straight-chain paraffin or the branched paraffin that contain 2 ~ 8 carbon atoms, and n is the integer of 1 ~ 4.
4. the novelty teabag of extreme pressure anti-wear additives according to claim 1, is characterized in that R is straight-chain paraffin containing 3 ~ 6 carbon atoms or branched paraffin.
5. an antioxygen anti-rust and lubrication oil compositions, comprises following component with weight parts:
A) alkylphosphonothioate according to claim 1 of 0.005 ~ 0.08 part;
B) composite additive of 0.2 ~ 1.5 part; Described composite additive be selected from IRGOLUBE2030A, IRGOLUBE 2030D or
in at least one;
C) kilfoam of 0.001 ~ 0.1 part;
D) base oil of 97 ~ 99 parts.
6. antioxygen anti-rust and lubrication oil compositions according to claim 5, is characterized in that described kilfoam is selected from least one in methacrylic ester, dimethyl silicone oil or composite anti-foam agent.
7. antioxygen anti-rust and lubrication oil compositions according to claim 5, is characterized in that described base oil is selected from hydrocracking base oil, meets API||, API||
+or API|||, 40 DEG C of kinematic viscosity are 19 ~ 70mm
2/ s.
8. antioxygen anti-rust and lubrication oil compositions according to claim 5, it is characterized in that with weight parts, the consumption of alkylphosphonothioate is 0.01 ~ 0.06 part, the consumption of composite additive is 0.4 ~ 1.2 part, the consumption of kilfoam is 0.002 ~ 0.05 part, and the consumption of base oil is 98 ~ 99.5 parts.
9. antioxygen anti-rust and lubrication oil compositions according to claim 5, to it is characterized in that in described antioxygen anti-rust and lubrication oil compositions also containing component e) antioxidant preservative of 0.01 ~ 0.15 part, described antioxidant preservative is selected from dialkyl thiocarbamic acid ester or dithiophosphonate.
10. the arbitrary described antioxygen anti-rust and lubrication oil compositions of claim 5 ~ 9 is for improving the antioxygen corrosion resistance of turbine oil.
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Cited By (6)
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| CN111057111A (en) * | 2018-10-16 | 2020-04-24 | 中国石油化工股份有限公司 | Sulfurized thiophosphonate compound and preparation method and application thereof |
| CN111518607A (en) * | 2020-05-27 | 2020-08-11 | 中国石油化工股份有限公司 | Antirust turbine oil composition, preparation method and application thereof |
| CN111575092A (en) * | 2020-05-27 | 2020-08-25 | 中国石油化工股份有限公司 | Turbine oil composition, preparation method and application thereof |
| CN112646647A (en) * | 2019-10-10 | 2021-04-13 | 中国石油化工股份有限公司 | Anti-foaming composition, preparation method and application thereof |
| CN114657007A (en) * | 2021-12-25 | 2022-06-24 | 科特龙流体科技（扬州）有限公司 | Multipurpose temperature-resistant lubricating oil and preparation method thereof |
| CN114672363A (en) * | 2021-12-25 | 2022-06-28 | 科特龙流体科技（扬州）有限公司 | Pumpability lubricating grease and preparation method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111057111A (en) * | 2018-10-16 | 2020-04-24 | 中国石油化工股份有限公司 | Sulfurized thiophosphonate compound and preparation method and application thereof |
| CN111057111B (en) * | 2018-10-16 | 2023-08-15 | 中国石油化工股份有限公司 | Sulfur-substituted phosphonate compound and preparation method and application thereof |
| CN112646647A (en) * | 2019-10-10 | 2021-04-13 | 中国石油化工股份有限公司 | Anti-foaming composition, preparation method and application thereof |
| CN111518607A (en) * | 2020-05-27 | 2020-08-11 | 中国石油化工股份有限公司 | Antirust turbine oil composition, preparation method and application thereof |
| CN111575092A (en) * | 2020-05-27 | 2020-08-25 | 中国石油化工股份有限公司 | Turbine oil composition, preparation method and application thereof |
| CN114657007A (en) * | 2021-12-25 | 2022-06-24 | 科特龙流体科技（扬州）有限公司 | Multipurpose temperature-resistant lubricating oil and preparation method thereof |
| CN114672363A (en) * | 2021-12-25 | 2022-06-28 | 科特龙流体科技（扬州）有限公司 | Pumpability lubricating grease and preparation method thereof |
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| CN104293420B (en) | 2017-06-13 |
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