CN106119867B - A kind of preparation and application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine - Google Patents
A kind of preparation and application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine Download PDFInfo
- Publication number
- CN106119867B CN106119867B CN201610674089.9A CN201610674089A CN106119867B CN 106119867 B CN106119867 B CN 106119867B CN 201610674089 A CN201610674089 A CN 201610674089A CN 106119867 B CN106119867 B CN 106119867B
- Authority
- CN
- China
- Prior art keywords
- pickling
- antipyrine
- tetramino
- corrosion
- carbon steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
- C23G1/06—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors
- C23G1/068—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors organic inhibitors compounds containing a C=C bond
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/04—Cleaning or pickling metallic material with solutions or molten salts with acid solutions using inhibitors
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
- C23G1/081—Iron or steel solutions containing H2SO4
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The invention belongs to pickling of metal corrosion and protection field, the specially a kind of preparation and application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine.Corrosion inhibiter ingredient is made of tetramino antipyrine, rhodanate, benzotriazole and cerous nitrate, and four quality proportioning is 5-15:1-2:1-4:0.5-1.It is applied are as follows: with the pickling solution submergence cleaning carbon steel added with the corrosion inhibiter；Wherein pickling solution concentration is the dilute sulfuric acid or dilute hydrochloric acid of 0.5~2.0mol/L, and the mass concentration that corrosion inhibiter is added in every liter of pickling solution is 0.03~0.06%, and pickling temperature is 20~45 DEG C, and pickling time is 1~24 hour.The restrainer is low in cost, and raw material is cheap and easy to get；It is environmentally friendly friendly, meet the idea of development of green corrosion inhibitor；Dosage is few, and inhibition efficiency is high.
Description
Technical field
The invention belongs to corrosion inhibiter production field, specially a kind of compound carbon steel pickling corrosion inhibitor of tetramino antipyrine
Preparation and application.
Background technique
Carbon steel material plays a very important role in modern chemical industry production, and acid of carbon steel during industrial acid-washed
Corrosion is also a global problem, and this corrosion causes great direct or indirect economic loss, environmental pollution even
Jeopardize personnel safety, therefore numerous researchers constantly carry out carbon steel anti-corrosion research, to which corrosion of carbon steel degree is dropped to most
It is low, wherein one of most effective, most common method is exactly that corrosion inhibiter is added in acid cleaning process.Currently, carbon steel pickling corrosion inhibitor
The single substance that gradually low from the corrosion inhibition rate, toxicity of research is big, high production cost, application range are narrow corrosion inhibiter to high inhibition
Performance, more substances compounding direction cheap and easy to get, environmentally protective, having a wide range of application are developed.Therefore, using compounding means, pass through
Synergistic Effect of Corrosion Inhibition between multi-component, research and development low cost, high inhibition efficiency, environmental-friendly, practical compound acid-washed carbon
Steel corrosion inhibiter is of great significance.
Summary of the invention
It is an object of that present invention to provide a kind of low cost, high inhibition efficiency, environmental-friendly, practical tetramino peaces to replace
The preparation and application of carbon steel pickling corrosion inhibitor more compound than woods.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of compound carbon steel pickling corrosion inhibitor of tetramino antipyrine, which includes following component: tetramino peace is replaced
It is made than woods, rhodanate, benzotriazole and cerous nitrate, four quality proportioning is 5-15:1-2:1-4:0.5-1.
Preferably, the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine includes following component: tetramino antipyrine,
Rhodanate, benzotriazole and cerous nitrate are made, and four quality proportioning is 8-12:1-2:3-4:0.5-1.
Still more preferably, the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine includes following component: tetramino peace is replaced
It is made than woods, rhodanate, benzotriazole and cerous nitrate, four quality proportioning is 10:2:4:1.
The rhodanate is potassium rhodanide or sodium sulfocyanate.
The application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine: cleaning is submerged with the pickling solution added with the corrosion inhibiter
Carbon steel；Wherein pickling solution concentration is the dilute sulfuric acid or dilute hydrochloric acid of 0.5~2.0mol/L, and corrosion inhibiter is added in every liter of pickling solution, makes
Its mass concentration is 0.03~0.06%, and pickling temperature is 20~45 DEG C, and pickling time is 1~24 hour.
Tetramino antipyrine is a kind of pyrazolone substance containing amino, phenyl in the present invention, it is that have multiple confessions
Electric molecular structure, including contain carbonyl, nitrogen-containing heterocycle, amino, phenyl, it can be acted on steel metal atom, effectively be adsorbed in steel surface,
Form fine and close protective cover, to inhibit the corrosion of steel, in addition, it can in the thiocyanate ion and cerium in rhodanate
Cerium ion effective synergistic sorption occurs.Benzotriazole compound contains three azacyclo-s, their intramoleculars all contain nitrogen original
Son, the lone pair electrons of nitrogen-atoms can be coordinated bonding with the empty d track on steel atom, effectively be adsorbed in steel surface, by with four
The synergistic effect of amino-antipyrine, rhodanate and cerous nitrate, so that the adsorbed film protective layer of steel surface is finer and close, thus
More effectively inhibit the corrosion of steel.
Compared with prior art, the beneficial effects of the present invention are:
(1), low in cost.Tetramino antipyrine, rhodanate, benzotriazole and cerous nitrate raw material are cheap and easy to get.
(2), environmental protection is friendly.Organic and inorganic compound used in corrosion inhibiter of the present invention and traditional toxic corrosion inhibiter phase
Than belonging to environmentally friendly friendly corrosion inhibiter, meeting the idea of development of green corrosion inhibitor.
(3), dosage is few, and inhibition efficiency is high.Corrosion inhibiter of the present invention is used for carbon steel surface acid-washing, only adds a small amount of inhibition
The etch of carbon steel and consuming excessively for acid solution can be effectively suppressed in agent, compared with corrosion inhibiter common at present, has low cost, height
Inhibition efficiency, it is environmental-friendly, can Reusability, practical advantage.
Specific embodiment
Below by embodiment, the present invention is described in further detail, but protection scope of the present invention is not limited to
This specific embodiment.The present invention expands to any new feature disclosed in the present specification or any new combination, and drapes over one's shoulders
The step of any new method or process of dew or any new combination.
Embodiment 1
Pickling solution is dilute sulfuric acid, and concentration 0.5mol/L is added benzotriazole corrosion inhibiter, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 82.55%, is shown as the acid with certain corrosion mitigating effect
Pickling inhibitor.
Embodiment 2
Pickling solution is dilute sulfuric acid, and benzotriazole and potassium rhodanide composite corrosion inhibitor, the two is added in concentration 0.5mol/L
Quality proportioning be 2:1, make its mass concentration 0.05%.Test material be Q235 steel disc, specification be 5.0 × 2.5 ×
0.2cm, surface area 28.0cm2.Test uses weight-loss method, is immersed in pickling solution for 24 hours steel disc at 25 DEG C, passes through steel disc acid
Mass loss in corrosion process calculates inhibition efficiency.
Conclusion: the inhibition efficiency as obtained by experimental test is 88.64%, is shown as the acid with certain corrosion mitigating effect
Pickling inhibitor.
Embodiment 3
Pickling solution is dilute sulfuric acid, and concentration 0.5mol/L is added benzotriazole, potassium rhodanide and cerous nitrate, is prepared as
The quality proportioning of compound carbon steel pickling corrosion inhibitor, three is 4:2:1, makes its mass concentration 0.05%.Test material is Q235
Steel disc, specification are 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test uses weight-loss method, is immersed in steel disc at 25 DEG C
In pickling solution for 24 hours, inhibition efficiency is calculated by the mass loss during steel disc acid corrosion.
Conclusion: the inhibition efficiency as obtained by experimental test is 90.09%, is shown as the acid with certain corrosion mitigating effect
Pickling inhibitor.
Embodiment 4
Pickling solution is dilute sulfuric acid, and tetramino antipyrine, potassium rhodanide and cerous nitrate, system is added in concentration 0.5mol/L
Standby is compound carbon steel pickling corrosion inhibitor, and the quality proportioning of three is 10:2:1, makes its mass concentration 0.05%.Test material is
Q235 steel disc, specification are 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test uses weight-loss method, soaks steel disc at 25 DEG C
Not in pickling solution for 24 hours, inhibition efficiency is calculated by the mass loss during steel disc acid corrosion.
Conclusion: the inhibition efficiency as obtained by experimental test is 95.82%, is shown as efficient restrainer.
Embodiment 5
Pickling solution is dilute sulfuric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 0.5mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 98.65%, is shown as efficient restrainer.
Embodiment 6
Pickling solution is dilute sulfuric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 1.0mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 96.77%, is shown as efficient restrainer.
Embodiment 7
Pickling solution is dilute hydrochloric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 1.0mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 98.93%, is shown as efficient restrainer.
Embodiment 8
Pickling solution is dilute hydrochloric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 2.0mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 97.02%, is shown as efficient restrainer.
Embodiment 9
Pickling solution is dilute sulfuric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 2.0mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 96.25%, is shown as efficient restrainer.
Embodiment 10
Pickling solution is dilute sulfuric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 0.5mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 45 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 98.42%, is shown as efficient restrainer.
Embodiment 11
Pickling solution is dilute hydrochloric acid, concentration 1mol/L, be added tetramino antipyrine, rhodanate, benzotriazole and
Cerous nitrate is prepared as compound carbon steel pickling corrosion inhibitor, and four quality proportioning is 10:2:4:1, makes its mass concentration
0.05%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 45 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 98.74%, is shown as efficient restrainer.
Embodiment 12
Pickling solution is dilute sulfuric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 0.5mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.04%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 97.12%, is shown as efficient restrainer.
Embodiment 13
Pickling solution is dilute sulfuric acid, and tetramino antipyrine, rhodanate, benzotriazole is added in concentration 0.5mol/L
And cerous nitrate, it is prepared as compound carbon steel pickling corrosion inhibitor, four quality proportioning is 10:2:4:1, makes its mass concentration
0.06%.Test material is Q235 steel disc, and specification is 5.0 × 2.5 × 0.2cm, surface area 28.0cm2.Test is using weightless
Steel disc is immersed in pickling solution the mass loss passed through during steel disc acid corrosion for 24 hours at 25 DEG C and calculates inhibition efficiency by method.
Conclusion: the inhibition efficiency as obtained by experimental test is 98.81%, is shown as efficient restrainer.
The specific data analysis of above example:
Different corrosion inhibitor formula zero-G test data and conclusion list
As seen from the above table:
1, potassium rhodanide, cerous nitrate do not have apparent inhibition efficiency when being used alone, and within the scope of a certain concentration, nitre
The even accelerated corrosion of sour cerium.
2, after introducing tetramino antipyrine in benzotriazole, potassium rhodanide, cerous nitrate composite corrosion inhibitor, weightlessness examination
It tests middle steel disc Corrosion Mass-loss and 0.0133g is down to by 0.0978g, corrosion rate significantly reduces (reducing to 1/8 or so), this shows
Effect of the tetramino antipyrine in composite corrosion inhibitor is obvious.
3, by upper table data it is found that each component in tetramino antipyrine composite corrosion inhibitor has collaboration to make
With.
3, comparison cases 5, case 12 and case 13 are it is found that tetramino antipyrine, rhodanate, benzotriazole and nitre
When the quality proportioning of sour cerium composite corrosion inhibitor is 10:2:4:1, composite corrosion inhibitor concentration is more than after 0.5%, and inhibition efficiency is with concentration
It is slow to increase amplification.
Finally, it should be noted that the above case study on implementation is only used to illustrate the technical scheme of the present invention, rather than its limitations；To the greatest extent
Invention is explained in detail referring to aforementioned case study on implementation for pipe, those skilled in the art should understand that: its according to
It can so modify to technical solution documented by aforementioned each case study on implementation, or part of technical characteristic is equal
Replacement；And these are modified or replaceed, each case study on implementation technical solution of the present invention that it does not separate the essence of the corresponding technical solution
Spirit and scope.
Claims (4)
1. a kind of compound carbon steel pickling corrosion inhibitor of tetramino antipyrine, it is characterised in that: the corrosion inhibiter includes following component: four
Amino-antipyrine, rhodanate, benzotriazole and cerous nitrate are made, and four quality proportioning is 5-15:1-2:1-4:
0.5-1, with the pickling solution submergence cleaning carbon steel added with the corrosion inhibiter；Wherein pickling solution concentration is dilute sulphur of 0.5~2.0 mol/L
Corrosion inhibiter is added in every liter of pickling solution in acid or dilute hydrochloric acid, makes 0.03~0.06 % of its mass concentration, and pickling temperature is 20~45
DEG C, pickling time is 1~24 hour.
2. the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine according to claim 1, it is characterised in that: the corrosion inhibiter packet
Include following component: tetramino antipyrine, rhodanate, benzotriazole and cerous nitrate are made, and four quality proportioning is 8-
12:1-2:3-4:0.5-1.
3. the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine according to claim 1, it is characterised in that: the corrosion inhibiter packet
Include following component: tetramino antipyrine, rhodanate, benzotriazole and cerous nitrate are made, and four quality proportioning is 10:
2:4:1.
4. the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine according to claim 1, it is characterised in that: the sulphur cyanogen
Hydrochlorate is potassium rhodanide or sodium sulfocyanate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674089.9A CN106119867B (en) | 2016-08-16 | 2016-08-16 | A kind of preparation and application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610674089.9A CN106119867B (en) | 2016-08-16 | 2016-08-16 | A kind of preparation and application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106119867A CN106119867A (en) | 2016-11-16 |
| CN106119867B true CN106119867B (en) | 2019-01-08 |
Family
ID=57259277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610674089.9A Active CN106119867B (en) | 2016-08-16 | 2016-08-16 | A kind of preparation and application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106119867B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747480A (en) * | 2019-10-09 | 2020-02-04 | 中国科学院宁波材料技术与工程研究所 | Application of antihypertensive drug as corrosion inhibitor of iron-containing material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247102A (en) * | 2013-03-16 | 2016-01-13 | Prc-迪索托国际公司 | Metal complexing agents as corrosion inhibitors |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245465B (en) * | 2007-02-17 | 2010-10-13 | 中国科学院海洋研究所 | Environment-friendly carbon steel restrainer and uses thereof |
| CN101928943B (en) * | 2009-06-26 | 2013-01-16 | 中国石油化工股份有限公司 | Compound corrosion inhibitor for butyl rubber chloromethane glycol dehydrating regeneration system |
| KR101366938B1 (en) * | 2012-01-06 | 2014-02-25 | 삼성전기주식회사 | Etching solution and method for preparing a print wiring substrate using the same |
| CN104513999B (en) * | 2013-09-26 | 2018-02-13 | 中国石油化工股份有限公司 | Corrosion inhibiter is with composition and its application and method that pickling is carried out to equipment |
| CN103484875B (en) * | 2013-10-09 | 2015-08-12 | 深圳市爱康泉水处理服务有限公司 | A kind of restrainer composition and application thereof |
| CN103525482B (en) * | 2013-10-31 | 2015-08-19 | 上海化工研究院 | Alcohol ether alternative fuel metal component corrosion inhibitor for vehicle and preparation method thereof |
| CN105088251A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Corrosion inhibitor composition, applications thereof, and method using same to carry out pickling on equipment |
-
2016
- 2016-08-16 CN CN201610674089.9A patent/CN106119867B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247102A (en) * | 2013-03-16 | 2016-01-13 | Prc-迪索托国际公司 | Metal complexing agents as corrosion inhibitors |
Non-Patent Citations (1)
| Title |
|---|
| Computational and Experimental Studies of 4-Aminoantipyrine as Corrosion Inhibitor for Mild Steel in Sulphuric Acid Solution;Acha U. Ezeoke1.et.al;《International Journal of ELECTROCHEMICAL SCIENCE》;20120101;第7卷;第534～553页 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106119867A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9404189B2 (en) | High temperature carbon dioxide corrosion inhibitor | |
| Zuo et al. | The effects of thioureido imidazoline and NaNO2 on passivation and pitting corrosion of X70 steel in acidic NaCl solution | |
| CN103555313B (en) | A kind of imidazolium ionic liquid acidification corrosion inhibitor and preparation method thereof and application | |
| WO2017067094A1 (en) | Iimidazoline compound corrosion inhibitor and preparation method thereof | |
| Shahid | Corrosion protection with eco-friendly inhibitors | |
| CN103602328A (en) | Compound imidazoline corrosion inhibitor and preparation method thereof | |
| Akpan et al. | Inhibition of mild steel corrosion in hydrochloric acid solution by Ciprofloxacin drug | |
| Xhanari et al. | A review of recent advances in the inhibition of sweet corrosion | |
| CN101608313A (en) | A kind of high-efficiency solid pickling inhibitor for many metals | |
| CN108467366A (en) | A kind of ghiourea group modified imidazole quinoline derivant corrosion inhibiter and its preparation method and application | |
| WO2018119973A1 (en) | Hydrochloric acid pickling inhibitor and preparation method therefor | |
| CN108823570B (en) | Environment-friendly anti-oxidation corrosion inhibitor for oilfield ground gathering and transportation pipeline and preparation method thereof | |
| CN106119867B (en) | A kind of preparation and application of the compound carbon steel pickling corrosion inhibitor of tetramino antipyrine | |
| Sharma et al. | Inhibitive effect of Prosopis cineraria on mild steel in acidic media | |
| CN103820789A (en) | Compounded carbon dioxide corrosion inhibitor | |
| CN105418509A (en) | Imidazolyl thiourea derivative, corrosion inhibitor and preparation method thereof | |
| Attia | Expired Farcolin drugs as corrosion inhibitor for carbon steel in 1 M HCl solution | |
| CN1422984A (en) | Metal corrosion inhibitor | |
| CN112023625A (en) | Solvent and method for efficiently inhibiting equipment corrosion in carbon dioxide capture process | |
| Bustos Terrones et al. | Electrochemical evaluation of an outdated antifungal drug as corrosion inhibitor of mild steel in neutral chloride media | |
| CN113200699A (en) | Composite migration rust inhibitor applied to surface and preparation method thereof | |
| CN104559764B (en) | A kind of organosilicon composite corrosion inhibitor and preparation method thereof | |
| CN101880886A (en) | Wiredrawing wire rod pickling additive | |
| Hu et al. | Rapid Synthesis and Evaluation of a Cheaper Corrosion Inhibitor for Steel in HCl Solution | |
| CN108035701B (en) | Corrosion inhibitor for air flooding and use method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |