CN107475761A - The electropolymerization liquid and electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface - Google Patents
The electropolymerization liquid and electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface Download PDFInfo
- Publication number
- CN107475761A CN107475761A CN201710725997.0A CN201710725997A CN107475761A CN 107475761 A CN107475761 A CN 107475761A CN 201710725997 A CN201710725997 A CN 201710725997A CN 107475761 A CN107475761 A CN 107475761A
- Authority
- CN
- China
- Prior art keywords
- electropolymerization
- film
- alloy surface
- benzene sulfonate
- dodecyl benzene
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D9/00—Electrolytic coating other than with metals
- C25D9/02—Electrolytic coating other than with metals with organic materials
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Abstract
The present invention is to provide a kind of electropolymerization liquid of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface and electropolymerization method.The pyrroles of certain mass and sodium salicylate are added to dissolving in distilled water according to certain order electrolyte is made, a certain amount of SDBS solution is added into electrolyte, the magnesium alloy substrate of pretreatment is put into electrolyte, using cyclic voltammetry, experiment parameter is set, film of poly pyrrole is prepared in Mg alloy surface electropolymerization.The present invention prepares sodium dodecyl benzene sulfonate-doped polypyrrole film using electropolymerization in Mg alloy surface.Polypyrrole purity prepared by the method is high, wastes less, operating method is simple, improves the decay resistance of magnesium alloy to a certain extent, and SDBS can effectively improve the adhesion of magnesium alloy substrate and polypyrrole film, widen the application field of magnesium alloy.
Description
Technical field
The present invention relates to a kind of Magnesiumalloy surface modifying processing method, and specifically one kind is in Mg alloy surface shape
Into the electropolymerization liquid of electropolymerization film.The present invention also relates to a kind of electropolymerization method that electropolymerization film is formed in Mg alloy surface.
Background technology
Magnesium alloy rich reserves, it is that (content in the earth's crust is about for content is only second to aluminium and iron in the earth's crust metallic element
2.00%, content in the seawater is also very high, about 0.13%).Magnesium is also that China's yield is most, Alloyapplication is most extensive simultaneously
Metallics.Moreover, magnesium alloy has, density is small, intensity is high, shock absorbing performance is good, modulus of elasticity is big, specific strength is high, structure
The features such as excellent performance, easily deformable processing and welding fabrication.But because magnesium and magnesium alloy property are active, easily with other groups
Knit and react to form corrosion galvanic cell, cause to corrode.The corrosion of magnesium alloy causes the application of magnesium and magnesium alloy to receive necessarily
Limitation.Therefore it is necessary that protection is carried out to magnesium and Mg alloy surface.
It recent studies have shown that, conducting polymer is existing as the electrology characteristic of metal and the optical characteristics of inorganic semiconductor, also
With polymer distinctive excellent mechanical performance and processing characteristics, while also good electrochemical redox activity.Lead
Electric polymer has very big potentiality to be exploited in terms of metal protection.First, conductive polymer membrane has certain to metal surface
Protective effect, the surface of Korrosionsmedium contact magnesium alloy can be prevented, be effectively improved the corrosion potential of magnesium alloy, drop
Low corrosion electric current.The main film of poly pyrrole that comes from of the raising of corrosive nature is acted on the mechanical masking of Mg alloy surface.Its
It is secondary, compared with other protecting metallic surface methods, conducting polymer as metal protecting film protrude the advantages of be to polymerize
Thing film is conducting film.And conventional anode oxide film or chemical composition coating is insulating film layer.Wherein, polypyrrole (PPy) is easy
Synthesis, the stability of equipment operation simply, after film forming are relatively preferable, and polymerized monomer is pyrroles, and environmental pollution is small.Therefore it is poly-
Pyrroles is considered as the conducting polymer for most having development and application prospect for anti-corrosion film on metal surface layer.
The content of the invention
It is an object of the invention to provide a kind of decay resistance that can improve magnesium alloy, improves polypyrrole film and is closed with magnesium
The electropolymerization liquid of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface of golden basal body binding force.The purpose of the present invention
Also reside in and a kind of electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface is provided.
The electropolymerization liquid of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface of the present invention to by pyrroles and
In the aqueous solution of sodium salicylate, add what neopelex solution was formulated.
Pyrrole monomer concentration is 0.01~0.15mol/L, and the concentration of neopelex is 0.01~0.2mol/L.
The electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface of the present invention is：To by pyrrole
Cough up in the aqueous solution with sodium salicylate, add the electropolymerization liquid that neopelex solution is formulated, wherein pyrroles is single
Bulk concentration is 0.01~0.15mol/L, and the concentration of neopelex is 0.01~0.2mol/L；The magnesium that will have been pre-processed
Alloy is put into electropolymerization liquid, and film of poly pyrrole is formed in Mg alloy surface using cyclic voltammetry.
The scanning voltage scope of the cyclic voltammetry is -0.5~2V, and the scan period is 2~10, sweep speed is 2~
10mV/s。
The invention provides a kind of preparation of the electropolymerization of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface
Method, electrolyte is made into using a certain amount of SDBS is added in the solution being made into pyrrole monomer and sodium salicylate, to magnesium alloy
It is surface-treated, improves the decay resistance of magnesium alloy to a certain extent, effectively increase polypyrrole film and magnesium alloy
The adhesion of matrix.And sodium dodecyl benzene sulfonate-doped film of poly pyrrole is readily synthesized, equipment operation is simple, after film forming
Stability is relatively preferable, and polymerized monomer is pyrroles, and environmental pollution is small.
Technical scheme mainly includes：
1) pre-process：Mechanical grinding → ultrasonic cleaning → alkali cleaning → deionization washing → acid-wash activation → deionization washing →
Cold wind dries up.Mechanical grinding is carried out to magnesium alloy substrate using 320 mesh, 600 mesh, 1000 mesh sand paper successively, until magnesium alloy table
Face does not have obvious cut and groove, bright, untill smooth.After polishing is completed, matrix is immersed in absolute alcohol and surpassed
Sound wave cleans, and removes the impurity such as the grains of sand iron filings on surface.Then alkali cleaning degreasing is carried out, alkali cleaning degreasing condition is arranged to water-bath 20-
80 DEG C, time 2-5min.After alkali cleaning degreasing, deionized water rinsing is used.Acid-wash activation, pH=2~3, time 20- are carried out again
40s, with deionized water rinsing, cold wind drying.
2) required pyrroles, sodium salicylate, SDBS quality are calculated.Sodium salicylate is first weighed, adds distilled water dissolving；
Use again and weigh pyrrole monomer, and pyrrole monomer is dissolved with distilled water；Load weighted SDBS is dissolved in distilled water.By pyrrole monomer
Solution is made into electrolyte after being mixed with sodium salicylate solution.SDBS solution is added into electrolyte, ultrasonic vibration 2-8min, is made molten
Liquid is well mixed.
3) magnesium alloy cleared up is put in the electrolytic solution, be connected on electrochemical workstation, use cyclic voltammetry, if
Experiment parameter is put, film of poly pyrrole is prepared in Mg alloy surface.
A kind of electropolymerization preparation method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface of the present invention, is adopted
Electrolyte is made into a certain amount of SDBS is added in the solution being made into pyrrole monomer and sodium salicylate, surface is carried out to magnesium alloy
Pretreatment, the decay resistance of magnesium alloy is improved to a certain extent, effectively increase polypyrrole film and magnesium alloy substrate
Adhesion.
The sodium dodecyl benzene sulfonate-doped film of poly pyrrole face crack of Mg alloy surface prepared by the present invention is more, and surface is put down
Whole property is low, and anticorrosion effect is preferable, and adhesion significantly improves.
Brief description of the drawings
Fig. 1 is the sodium dodecyl benzene sulfonate-doped film of poly pyrrole infrared spectrogram of Mg alloy surface；
Fig. 2 is the sodium dodecyl benzene sulfonate-doped film of poly pyrrole surface topography map of Mg alloy surface；
Fig. 3 is electrochemical tests of the Mg alloy surface film of poly pyrrole in 3.5%NaCl solution；
Fig. 4 a- Fig. 4 b are Mg alloy surface polypyrrole film adhesion test charts, and wherein Fig. 4 a are PPy films；Fig. 4 b are SDBS/
PPy films.
Embodiment
The present invention is described in detail for citing below.
Part I：Electrolyte is prepared, the pyrroles of certain mass and sodium salicylate are added to steaming according to certain order
Electrolyte is made in dissolving in distilled water, and a certain amount of SDBS solution is then added into electrolyte.Pyrrole monomer concentration be 0.01~
0.15mol/L, SDBS concentration are 0.01~0.2mol/L.
Part II：It is thin that sodium dodecyl benzene sulfonate-doped polypyrrole prepared using electropolymerization technology on magnesium alloy substrate
The method of film, including the polishing of magnesium alloy substrate, this experiment is polished matrix using CW series water-resistant type sand paper, by
It is thick to arrive carefully, polished successively using 320 mesh, 600 mesh, 1000 mesh, until Mg alloy surface does not have obvious cut and groove, light
It is bright, untill smooth.After polishing is completed, matrix is immersed ultrasonic wave cleaning is carried out in absolute alcohol, remove the grains of sand iron on surface
The impurity such as bits.Then alkali cleaning degreasing is carried out, alkali cleaning degreasing condition is arranged to 59 DEG C of water-bath, time 4min.After alkali cleaning degreasing, use
Deionized water rinsing.Acid-wash activation, pH=2.5, time 30s, with deionized water rinsing, cold wind drying are carried out again.It will locate in advance
The magnesium alloy managed is put in the electrolytic solution, is connected on electrochemical workstation, using cyclic voltammetry, sets experiment parameter,
Mg alloy surface prepares film of poly pyrrole.The main component of electrolyte is pyrroles, sodium salicylate, SDBS.
Part III：It will be seen from figure 1 that SDBS/PPy films are in 1147cm-1Place has more S=O absorption vibration peak,
Show that neopelex has been doped in polypyrrole film.Fig. 2 is the surface topography map of SDBS/PPy films.Detergent alkylate
The film of poly pyrrole face crack of sulfonic acid natrium doping increases, and surface is compared with out-of-flatness.Fig. 3 is SDBS/PPy films in 3.5wt%NaCl
Electrochemical tests in solution.As seen from Figure 3, SDBS/PPy films serve certain protective effect to magnesium alloy.Fig. 4
For Mg alloy surface polypyrrole film adhesion test chart.Intrinsic polypyrrole film is in the edge of line and friendship it can be seen from Fig. 4 a
Crunode goes out to have the film separation of small pieces, and the area that comes off is 5% or so；And adulterate neopelex polypyrrole film (Fig. 4 b)
After combined power test, scribing edge is smooth, film layer dropping situations does not occur.Therefore, neopelex is adulterated
Polypyrrole film significantly improves the adhesion of polypyrrole film and magnesium alloy substrate.
In summary, the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface prepared using the present invention, tool
There is certain decay resistance, and effectively increase the adhesion of polypyrrole film and magnesium alloy substrate.And detergent alkylate sulphur
Sour natrium doping film of poly pyrrole is readily synthesized, and equipment operation is simple, and the stability after film forming is relatively preferable, and polymerized monomer is
Pyrroles, environmental pollution are small.
Had according to the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface provided by the invention and widely should
Use prospect.
Claims (4)
1. a kind of electropolymerization liquid of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface, is to be characterized in：Be to by
In the aqueous solution of pyrroles and sodium salicylate, add what neopelex solution was formulated.
2. the electropolymerization liquid of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface according to claim 1,
It is to be characterized in：Pyrrole monomer concentration is 0.01~0.15mol/L, and the concentration of neopelex is 0.01~0.2mol/
L。
3. a kind of electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface, it is characterized in that：Xiang You
In the aqueous solution of pyrroles and sodium salicylate, the electropolymerization liquid that neopelex solution is formulated, wherein pyrroles are added
Monomer concentration is 0.01~0.15mol/L, and the concentration of neopelex is 0.01~0.2mol/L；By what is pre-processed
Magnesium alloy is put into electropolymerization liquid, and film of poly pyrrole is formed in Mg alloy surface using cyclic voltammetry.
4. the electropolymerization side of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface according to claim 3
Method, it is characterized in that：The scanning voltage scope of the cyclic voltammetry is -0.5~2V, and the scan period is 2~10, and sweep speed is
2~10mV/s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725997.0A CN107475761A (en) | 2017-08-22 | 2017-08-22 | The electropolymerization liquid and electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710725997.0A CN107475761A (en) | 2017-08-22 | 2017-08-22 | The electropolymerization liquid and electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107475761A true CN107475761A (en) | 2017-12-15 |
Family
ID=60601351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710725997.0A Pending CN107475761A (en) | 2017-08-22 | 2017-08-22 | The electropolymerization liquid and electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107475761A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285740A (en) * | 2018-01-24 | 2018-07-17 | 河海大学 | A kind of ocean steel member multilayer super thick anticorrosion coat and preparation method thereof |
| CN111636085A (en) * | 2020-06-10 | 2020-09-08 | 深圳大学 | Anticorrosive coating and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312376A (en) * | 2011-07-07 | 2012-01-11 | 武汉纺织大学 | Preparation method of composite conductive fabric with spray polymerization |
| CN104577111A (en) * | 2013-10-21 | 2015-04-29 | 中国科学院物理研究所 | Composite material containing fluorine-containing titanium phosphate compound as well as preparation method and application of composite material |
| CN106011975A (en) * | 2016-07-13 | 2016-10-12 | 厦门大学 | Preparation method for polypyrrole-poly-dopamine composite coating |
| CN106086978A (en) * | 2016-06-14 | 2016-11-09 | 北京工业大学 | A kind of preparation method of the loaded palladium catalyst electrode based on Graphene/polypyrrole modifying |
| CN106380599A (en) * | 2016-08-31 | 2017-02-08 | 昆明理工大学 | Preparation method and applications of cauliflower sodium p-toluene sulfonate doped polypyrrole |
-
2017
- 2017-08-22 CN CN201710725997.0A patent/CN107475761A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312376A (en) * | 2011-07-07 | 2012-01-11 | 武汉纺织大学 | Preparation method of composite conductive fabric with spray polymerization |
| CN104577111A (en) * | 2013-10-21 | 2015-04-29 | 中国科学院物理研究所 | Composite material containing fluorine-containing titanium phosphate compound as well as preparation method and application of composite material |
| CN106086978A (en) * | 2016-06-14 | 2016-11-09 | 北京工业大学 | A kind of preparation method of the loaded palladium catalyst electrode based on Graphene/polypyrrole modifying |
| CN106011975A (en) * | 2016-07-13 | 2016-10-12 | 厦门大学 | Preparation method for polypyrrole-poly-dopamine composite coating |
| CN106380599A (en) * | 2016-08-31 | 2017-02-08 | 昆明理工大学 | Preparation method and applications of cauliflower sodium p-toluene sulfonate doped polypyrrole |
Non-Patent Citations (3)
| Title |
|---|
| METEHAN C. TURHAN 等: "Optimization of electrochemical polymerization parameters of polypyrrole on Mg–Al alloy (AZ91D) electrodes and corrosion performance", 《ELECTROCHIMICA ACTA》 * |
| 廖翀: "聚吡咯涂层耐腐蚀性能研究", 《中国高新技术企业》 * |
| 高劲松 等: "十二烷基苯磺酸钠掺杂的聚毗 咯的电化学和现场拉曼光谱", 《厦门大学学报(自然科学版）》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108285740A (en) * | 2018-01-24 | 2018-07-17 | 河海大学 | A kind of ocean steel member multilayer super thick anticorrosion coat and preparation method thereof |
| CN111636085A (en) * | 2020-06-10 | 2020-09-08 | 深圳大学 | Anticorrosive coating and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Leng et al. | A safe polyzwitterionic hydrogel electrolyte for long‐life quasi‐solid state zinc metal batteries | |
| Wu et al. | Understanding the synergistic effect of alkyl polyglucoside and potassium stannate as advanced hybrid corrosion inhibitor for alkaline aluminum-air battery | |
| CN105552399B (en) | A kind of graphene adulterates conducting polymer modified dual polar plates of proton exchange membrane fuel cell and preparation method thereof | |
| CN104031433B (en) | Low conduction crystalline flake graphite alkene matrix material, its preparation method and application thereof | |
| CN105483751A (en) | Efficient Ni-S-Mo hydrogen evolution electrode and preparation method thereof | |
| CN109609960A (en) | Optical anode material Bi with optical electro-chemistry cathodic protection effect2S3The preparation method of/ZnO | |
| CN107475761A (en) | The electropolymerization liquid and electropolymerization method of the sodium dodecyl benzene sulfonate-doped film of poly pyrrole of Mg alloy surface | |
| Huang et al. | Synthesis of ZnO/polypyrrole composites and an application in Zn/Ni rechargeable batteries | |
| CN110212246A (en) | A kind of wide warm lithium-ion battery electrolytes and preparation method thereof | |
| CN105280397B (en) | A kind of aqueous electrolyte and ultracapacitor | |
| Wang et al. | Co-sensitization of TiO2 nanotube arrays with polymerized aromatic amines and its application in photoelectrochemical cathodic protection | |
| ZHONG et al. | Influence of alloying element Nd on the electrochemical behavior of Pb-Ag anode in H2SO4 solution | |
| CN101950678A (en) | Ag modified ZnO membrane electrode of dye sensitized solar cell and preparation method thereof | |
| CN113113674A (en) | Electrolyte additive for inhibiting hydrogen evolution reaction of water-based battery | |
| CN105442006A (en) | Preparation method for micro-capsule-coated rare earth element self-repairing conversion coating on surface of magnesium-aluminum alloy | |
| US11761110B2 (en) | Photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes, the preparation method thereof and a method of using the photoanode film for the photocathode protection and the durability improvement of a reinforcing bar in concretes | |
| CN110629266A (en) | Preparation method of super-hydrophobic stainless steel surface with self-repairing characteristic | |
| CN101487124A (en) | Method for forming arginine self-assembly corrosion inhibition film on copper surface | |
| CN102002701A (en) | Anti-corrosion method of cupronickel B30 | |
| CN108615618A (en) | A kind of preparation method and application of high voltage composite electrode | |
| CN104313658A (en) | Method for preparing polyaniline-polyvinylpyrrolidone corrosion-resistant film on surface of stainless steel | |
| US8715531B2 (en) | Actuator | |
| Wang et al. | Influence of histidine as an electrolyte additive on the electrochemical performance of Al electrodes in 4.0 M KOH electrolyte | |
| CN102321897B (en) | Method for preparing zinc-nickel-silica composite membrane on surface of metal substrate | |
| CN106504904B (en) | A kind of preparation method of the water system Asymmetric Supercapacitor based on cobaltosic oxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171215 |
|
| RJ01 | Rejection of invention patent application after publication |