CN103087800A - Oil hydrolytic stability enhancer and hydraulic oil composition containing same - Google Patents
Oil hydrolytic stability enhancer and hydraulic oil composition containing same Download PDFInfo
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- CN103087800A CN103087800A CN2011103446699A CN201110344669A CN103087800A CN 103087800 A CN103087800 A CN 103087800A CN 2011103446699 A CN2011103446699 A CN 2011103446699A CN 201110344669 A CN201110344669 A CN 201110344669A CN 103087800 A CN103087800 A CN 103087800A
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Abstract
The invention provides an oil hydrolytic stability enhancer which is composed of the following components by weight parts: 1-7 parts of a benzotriazole derivative metal deactivator, 1-7 parts of a thiadiazole derivative metal deactivator and 1-3 parts of a sulfonic acid antirust agent. The oil hydrolytic stability enhancer provided by the invention can be used for hydraulic oil compositions so as to improve hydrolytic stability of the hydraulic oil compositions; and the hydraulic oil compositions prepared from the enhancer has characteristics of wear resistance, corrosion resistance, oxidation resistance and demulsification existing in traditional hydraulic oil, and has good hydrolytic stability at the same time.
Description
Technical field
The present invention relates to a kind of lubricating oil additive, specifically, relate to a kind of oil product hydrolysis stability toughener and contain the hydraulic fluid compositions of this toughener.
Background technology
Require to do the hydrolysis stability test of hydraulic efficiency oil in the product standard of hydraulic efficiency oil, and after requiring this test, copper sheet weightlessness is less than 0.2mg, the copper sheet outward appearance is qualified.
If the hydrolysis stability of hydraulic efficiency oil is defective, oil product in use under the working condition of meeting water, can cause the corrosive wear of Hydraulic Elements, causes Hydraulic Elements and hydraulic efficiency system to damage.Therefore, need to improve the hydrolysis stability of hydraulic pressure oil product.
Improve the hydrolysis stability of hydraulic efficiency oil oil product, the additive in the hydraulic pressure oil product is very crucial, if additive well balance and compatibility can cause the hydrolysis stability of hydraulic efficiency oil defective.
Summary of the invention
The purpose of this invention is to provide a kind of oil product hydrolysis stability toughener, it can effectively improve the hydrolysis stability of hydraulic efficiency oil.
Another object of the present invention is to provide the hydraulic fluid compositions that contains this toughener, and it can effectively improve the hydraulic efficiency oil hydrolysis stability.
In order to realize the object of the invention, the invention provides a kind of oil product hydrolysis stability toughener, its component by following weight part forms:
124 Triazole derivant metal passivator 1-7 part,
Thiadiazoles derivative based metal deactivators 1-7 part,
Sulphonic acids rust-preventive agent 1-3 part.
Wherein, preferably,
124 Triazole derivant metal passivator 1-3 part,
Thiadiazoles derivative based metal deactivators 1-3 part,
1 part of sulphonic acids rust-preventive agent.
Most preferred is that 124 Triazole derivant metal passivator: thiadiazoles derivative based metal deactivators: sulphonic acids rust-preventive agent is 1: 1: 1.
Described 124 Triazole derivant metal passivator is Irgamet39 (liquid azimido-toluene derivative) or T551 (N, N-dialkyl amido methylene-benzene triazole) or Irgamet30 (liquid benzene triazole derivative).
Described thiadiazoles derivative metal passivator is LZL561 (thiadiazoles derivative) or Cuvan484 (2,5-dimercapto-1,3,4-thiadiazole derivative).
Described sulphonic acids rust-preventive agent is T705A (neutral dinonyl naphthalene sulfonate barium) or NA-Sul BSN (neutral dinonyl naphthalene sulfonate barium) or NA-SUL ZS (neutral dinonylnaphthalene sulfonic acid zinc, division department provides by Jin Shi industrial lubrication oil additive) or NA-SUL729 (neutral dinonylnaphthalene sulfonic acid calcium, division department provides by Jin Shi industrial lubrication oil additive) or NA-SUL CA-1089 (calcium sulphonate/carboxylic acid compound, division department provides by Jin Shi industrial lubrication oil additive).
The contriver studies for many years, by existing metal passivator, rust-preventive agent are screened, discovery 124 Triazole derivant metal passivator and thiadiazoles derivative based metal deactivators are carried out composite, can obtain good composite effect, if its consumption is controlled at 1-7 part: 1-7 part, both synergism is obvious, use with a certain amount of sulphonic acids rust-preventive agent compatibility again, the problem that in the test of hydraulic efficiency oil hydrolysis stability, copper weightlessness exceeds standard can be improved, the hydrolysis stability of hydraulic efficiency oil can be effectively improved.Therefore, oil product hydrolysis stability toughener of the present invention can be used for hydraulic fluid compositions, in order to improve the hydrolysis stability of this hydraulic fluid compositions.
Described oil product hydrolysis stability toughener can join in base oil together with the additives such as extreme pressure anti-wear additives, viscosity index improver, pour point depressant, oxidation inhibitor, and add-on can be controlled in 0.01-0.2% in hydraulic fluid compositions, wherein 0.03-0.18% preferably.
Specifically, hydraulic fluid compositions of the present invention comprises the component of following weight percentage:
Preferably, described hydraulic fluid compositions comprises the component of following weight percentage:
The extreme pressure anti-wear additives of described dialkyl dithiophosphate type is T203 (two octyl group ZDDP) or LZ1375 (dialkyl disulfides zinc phosphate) or Hitec680.
Described viscosity index improver is the viscosity index improver of polymethyl ester (PMA) type, as Viscoplex 8-310 or Viscoplex 8-450.
Described pour point depressant is the pour point depressant of polymethyl ester type, as Viscoplex 1-156 or Viscoplex 1-248.
Described oxidation inhibitor is the mixture of phenol type and amine type oxidation inhibitor, can be Irganox L94 (liquid sulfur-bearing amine and phenols antioxygen mixture are provided by Ciba) or Irganox L134 (liquid hindered phenol mixture is provided by Ciba).
Described base oil is API I class base oil or API II class base oil.
(the conventional mineral type) technical requirements of API I class oil, its viscosity index 80～120, sulphur content＞0.03%, saturated hydrocarbon content＜90% are satisfied in the requirement of described I class oil; As 150SN, 500SN etc.
API II class oil (adopting hydrocracking or hydrogenation alienation cracking technique) technical requirements, its viscosity index 80～120, sulphur content≤0.03%, saturated hydrocarbon content＞90% are satisfied in the requirement of described II class oil; II6, II4 base oil as the production of Shanghai high bridge.
The preparation method of hydraulic fluid compositions of the present invention: with the weighing respectively of above-mentioned binder component and base oil component, control temperature between 35-50 ℃, stir and formed in 1.5-2 hour.
Oil product hydrolysis stability toughener of the present invention adds the hydrolysis stability that can effectively improve hydraulic efficiency oil in hydraulic efficiency oil with the 0.01-0.2% amount.And with the composition reasonable compatibilities such as the extreme pressure anti-wear additives of oil product hydrolysis stability toughener, dialkyl dithiophosphate type, viscosity index improver, pour point depressant, oxidation inhibitor, reach synergy, the hydraulic fluid compositions of making, when having the characteristics such as conventional hydraulic oil is wear-resistant, anticorrosion, antioxygen, deemulsification, the ratio of copper weightlessness has good hydrolysis stability well below conventional hydraulic efficiency oil.
Embodiment
Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
The component of hydraulic fluid compositions (content is weight percentage) specific as follows in embodiment:
| Formula forms | Comparative Examples 1 | Comparative Examples 2 | Comparative Examples 3 | Comparative Examples 4 | Comparative Examples 5 | Real 1 | Real 2 | Real 3 | Real 4 | Real 5 |
| II6 | Surplus | Surplus | Surplus | Surplus | Surplus | Surplus | Surplus | Surplus | Surplus | Surplus |
| 500SN | 25 | 25 | 25 | 25 | 25 | 25 | 22 | 25 | 25 | 25 |
| V X8310 | 2 | 2 | 2 | 2 | 2 | 2 | -- | 2 | 2 | 2 |
| V X8450 | -- | -- | -- | -- | -- | -- | 2 | -- | -- | -- |
| V X1-156 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | - | 0.02 | 0.02 | 0.02 |
| V X1-248 | -- | -- | -- | -- | -- | -- | 0.02 | -- | -- | -- |
| IRL94 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.01 | 0.02 | 0.02 | 0.02 |
| IRL134 | -- | -- | 0.005 | 0.005 | ||||||
| T203 | 0.6 | 0.6 | 0 | 0.6 | 0.6 | 0.6 | 0.6 | 0.4 | ||
| LZ1375 | 0.6 | -- | ||||||||
| H680 | 0.6 | |||||||||
| T202 | 0 | 0 | 0.6 | 0 | 0 | 0 | 0 | 0 | -- | |
| IR39 | 0.01 | 0.01 | 0.01 | 0.02 | 0 | 0.03 | 0.05 | 0.07 | 0.03 | |
| T551 | 0.01 | |||||||||
| T561 | 0 | 0 | 0 | 0.03 | 0.03 | 0.05 | 0.07 | 0.03 | ||
| Cuvan484 | 0.01 | |||||||||
| ZS | 0.03 | 0 | 0 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | 0.03 | |
| T705A | 0.01 | |||||||||
| CA-1089 | 0 | 0.03 | 0.03 | 0 | 0 | 0 | 0 | 0 | ||
| Analytical results | ||||||||||
| Hydrolysis experiment | ||||||||||
| Copper is weightless | 1.09 | 1.42 | 5.56 | 0.89 | 0.1 | 0.03 | 0.04 | 0.01 | 0.19 | 0.04 |
| Outward appearance | Qualified | Qualified | Qualified | Qualified | 4a | Qualified | Qualified | Qualified | Qualified | Qualified |
| Pour point, ℃ | -42 | -39 | -45 | -42 | -39 | -42 | -39 | -45 | -42 | -42 |
| Breakdown of emulsion, min | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | |
| Rust-preventing characteristic, the B method | By | By | By | By | By | By | By | By | By | |
| Copper corrosion | 1b | 1b | 1b | 1b | 1b | 1b | 1b | 1b | 1b |
Remarks: 4a is exactly defective.The judgement of copper sheet outward appearance has a standard edition, and following grade 1a, 1b, 2a, 2b, 2c, 2d, 2e, 3a, 3b, 4a etc. are arranged respectively, and 1a is best, begins variation successively from 1a.In Hydraulic Oil Standard, specified requirement is no more than 1, can only be namely 1a, 1b.
The present invention is for the test conditions of evaluating liquid force feed hydrolysis stability:
Test temperature: 93 ℃, test period: 48 hours, oil sample amount: 75g.
Process of the test: sample, water and copper sheet are sealed in withstand voltage vial together, then place it in the oil product hydrolysis stability proofing box of 93 ℃, rotated 48 hours by the mode of putting upside down end to end, measure copper sheet quality change and appearance change.
Conclusion: after the hydrolysis stability test of embodiment 1-5, copper weightlessness is very little, is respectively: 0.03%, 0.04%, 0.01%, 0.19%, 0.04%, and weightless well below the copper of Comparative Examples.
This shows, by the present invention, dissimilar metal passivator is carried out compatibility and be equipped with again suitable rust-preventive agent, can improve the problem that in the test of hydraulic efficiency oil hydrolysis stability, copper weightlessness exceeds standard, and other project that the hydraulic efficiency oil hydrolysis stability is investigated is qualified, and satisfies other performance requriements of hydraulic efficiency oil.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements, all belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. an oil product hydrolysis stability toughener, is characterized in that, its component by following weight part forms:
124 Triazole derivant metal passivator 1-7 part,
Thiadiazoles derivative based metal deactivators 1-7 part,
Sulphonic acids rust-preventive agent 1-3 part.
2. oil product hydrolysis stability toughener according to claim 1, is characterized in that, its component by following weight ratio forms:
124 Triazole derivant metal passivator 1-3 part,
Thiadiazoles derivative based metal deactivators 1-3 part,
1 part of sulphonic acids rust-preventive agent.
3. oil product hydrolysis stability toughener according to claim 1, is characterized in that, 124 Triazole derivant metal passivator: thiadiazoles derivative based metal deactivators: the weight ratio of sulphonic acids rust-preventive agent is 1: 1: 1.
4. according to claim 1-3 described oil product hydrolysis stability of any one tougheners, is characterized in that, described 124 Triazole derivant metal passivator is Irgamet39, T551 or Irgamet30.
5. according to claim 1-4 described oil product hydrolysis stability of any one tougheners, is characterized in that, described thiadiazoles derivative metal passivator is LZL561, Cuvan484.
6. according to claim 1-5 described oil product hydrolysis stability of any one tougheners, is characterized in that, described sulphonic acids rust-preventive agent is T705A, NA-Sul BSN, NA-SUL ZS, NA-SUL729 or NA-SUL CA-1089.
7. one kind contains the described hydraulic fluid compositions of claim 1-6 any one, it is characterized in that, the add-on of described oil product hydrolysis stability toughener is 0.01-0.2%, preferably 0.03-0.18%.
8. hydraulic fluid compositions according to claim 7, is characterized in that, it comprises the component of following weight percentage:
9. hydraulic fluid compositions according to claim 8, is characterized in that, it comprises the component of following weight percentage:
10. according to claim 8 or 9 described hydraulic fluid compositions, is characterized in that, the extreme pressure anti-wear additives of described dialkyl dithiophosphate type is T203 or LZ1375 or Hitec680; Described viscosity index improver is the viscosity index improver of polymethyl ester type; Described pour point depressant is the pour point depressant of polymethyl ester type; Described oxidation inhibitor is the mixture of phenol type and amine type oxidation inhibitor; Described base oil is API I class base oil or API II class base oil.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250580A (en) * | 2013-06-26 | 2014-12-31 | 中国石油化工股份有限公司 | Antirust oil composition and application thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727459A (en) * | 2004-07-29 | 2006-02-01 | 中国石油化工股份有限公司 | Combination of general gear oil |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1727459A (en) * | 2004-07-29 | 2006-02-01 | 中国石油化工股份有限公司 | Combination of general gear oil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250580A (en) * | 2013-06-26 | 2014-12-31 | 中国石油化工股份有限公司 | Antirust oil composition and application thereof |
| CN104250580B (en) * | 2013-06-26 | 2017-03-15 | 中国石油化工股份有限公司 | Anticorrosive oil composition and application thereof |
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