CN105297098B - A kind of method for forming film of poly pyrrole in stainless steel surfaces electro-deposition - Google Patents
A kind of method for forming film of poly pyrrole in stainless steel surfaces electro-deposition Download PDFInfo
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- CN105297098B CN105297098B CN201510764320.9A CN201510764320A CN105297098B CN 105297098 B CN105297098 B CN 105297098B CN 201510764320 A CN201510764320 A CN 201510764320A CN 105297098 B CN105297098 B CN 105297098B
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Abstract
The invention provides a kind of method for forming film of poly pyrrole in stainless steel surfaces electro-deposition, it is characterised in that：Using stainless steel foil as anode, using stainless steel foil as negative electrode, it is 1~5mm to control the distance of negative electrode and anode, using N methyl pyrrolidones as solvent, pyrroles is electrolyte, and the volume ratio of NMP and pyrroles are 1~200, temperature is 10~90 DEG C, 10~30min of electrophoretic deposition is carried out under conditions of voltage range is 10~300V, the anode strip cleaning, drying that then will be obtained, i.e., forms film of poly pyrrole in stainless steel surfaces.The problem of present invention not only be address only in aqueous by PH, voltage influence, and solve the problems, such as that additive is various in organic solvent, the restrictive condition of preparation is greatly reduced.
Description
Technical field
The invention belongs to chemical field, is related to a kind of method of modifying of stainless steel, and specifically one kind is in stainless steel watch
The method that face electro-deposition forms film of poly pyrrole.
Background technology
Conducting polymer-polypyrrole (PPy) is with environmental stability is good, be easily-synthesized, electric conductivity is higher, redox reversible
The advantages that property is good, has important application study in fields such as sensor, photoelectric device, anti-corrosion of metal, life science and batteries
Value.Especially prominent is because PPy films can stop that corrosive substance reaches metal surface, is showed in many occasions
Go out excellent anticorrosion ability.
Traditional film of poly pyrrole is formed in aqueous substantially, influenceed by solution PH, voltage it is serious, even in
Many additives, complex steps are formed and added in organic solvent, and formation condition is restricted.
The content of the invention
For above-mentioned above-mentioned technical problem of the prior art, the invention provides one kind in stainless steel surfaces electro-deposition shape
Into the method for film of poly pyrrole, the described this method in stainless steel surfaces electro-deposition formation film of poly pyrrole will solve existing
Film of poly pyrrole in technology is when the aqueous solution is formed easily by PH, the technical problem of voltage influence, while in organic solvent
Many additives, and the technical problem of complex process are needed during formation.
The invention provides a kind of method for forming film of poly pyrrole in stainless steel surfaces electro-deposition, it is characterised in that：With
Stainless steel foil is anode, and using stainless steel foil as negative electrode, it is 1~5mm to control the distance of negative electrode and anode, with 1-METHYLPYRROLIDONE
(NMP) it is solvent, pyrroles is electrolyte, and the volume ratio of NMP and pyrroles are 1~200, and temperature is 10~90 DEG C, in voltage model
Enclose to carry out 10~30min of electrophoretic deposition, the anode strip cleaning, drying that then will be obtained, i.e., stainless under conditions of 10~300V
Steel surface forms film of poly pyrrole.
Further, the drying course is carried out in air dry oven.
Further, is cleaned using deionized water
The present invention is using stainless steel foil as anode, and using stainless steel foil as negative electrode, two electrode distances are 1~5mm, using NMP to be molten
Agent, pyrroles are electrolyte, and the volume ratio of NMP and pyrroles are 1~200, and temperature is 10~90 DEG C, voltage range be 10~
10~30min of electrophoretic deposition is carried out under conditions of 300V, film of poly pyrrole can be obtained on anode stainless steel foil.The present invention is not only
The problem of voltage range is narrow in aqueous is address only, and solves the problems, such as to be influenceed by PH in organic solvent,
Stainless steel surfaces produce the film of poly pyrrole with Corrosion Protection.
The present invention compares with prior art, and its technological progress is significant.The present invention solves film of poly pyrrole water-soluble
During liquid formation easily in aqueous by PH, voltage influence the problem of, and solve that additive in organic solvent is various to ask
Topic, the restrictive condition of preparation is greatly reduced.Present invention process is simple, easily operation.
Brief description of the drawings
The SEM figures of 1 polypyrrole in Fig. 1, embodiment；
The Raman figures of 1 polypyrrole in Fig. 2, embodiment；
The IR figures of 1 polypyrrole in Fig. 3, embodiment；
Ta Feiertu in Fig. 4, embodiment 1 before and after 304 stainless steel electro-deposition；
Ta Feiertu in Fig. 5, embodiment 2 before and after 316L stainless steel electro-deposition.
Embodiment
The present invention is expanded on further below by specific embodiment combination accompanying drawing, but is not intended to limit the present invention.
Embodiment 1
It is solvent with 20mlNMP, pyrroles is electrolyte, and using stainless steel foil as anode, 304 stainless steel foils are negative electrode, permanent electricity
150V is pressed to carry out electro-deposition 30min, temperature is 25 DEG C, obtains film of poly pyrrole.
The anode film of poly pyrrole that electro-deposition obtains is cleaned with deionized water, constant temperature in air dry oven is then put into and dries
It is dry, obtain film of poly pyrrole.
Obtained film of poly pyrrole is done into SEM, analysis result such as Fig. 1, Raman pattern analysis results such as Fig. 2, IR collection of illustrative plates knot
Fruit such as Fig. 3.
Then the obtained stainless steel foil with film of poly pyrrole is placed on, it is bent that Ta Feier is tested in 0.15M NaCl solutions
The decay resistance of line analysis film of poly pyrrole.Its result such as Fig. 4,304 naked stainless steel foils, is carried out under conditions of embodiment 1
304 stainless steel foils of electro-deposition, and the Ta Feier contrasts of the stainless steel foil in 0.15M NaCl solutions after immersion 26h respectively
Curve.
Interpretation of result such as following table：
Learn that there is preferable anti-corrosion by the ppy films for being electrodeposited in the formation of 304 stainless steel surfaces by upper table data analysis
Corrosion energy, especially prominent is that the time is more long, and its Corrosion Protection is more obvious.
Embodiment 2
It is solvent with 20mlNMP, pyrroles is electrolyte, and using stainless steel foil as anode, 316L stainless steel foils are negative electrode, permanent electricity
280V is pressed to carry out electro-deposition 30min, temperature is 25 DEG C, obtains film of poly pyrrole.
The anode film of poly pyrrole that electro-deposition obtains is cleaned with deionized water, constant temperature in air dry oven is then put into and dries
It is dry, obtain film of poly pyrrole.
Then the obtained stainless steel foil with film of poly pyrrole is placed on, it is bent that Ta Feier is tested in 0.15M NaCl solutions
The decay resistance of line analysis film of poly pyrrole.The naked stainless steel foil of its result such as Fig. 5,316L, is carried out under conditions of embodiment 2
The 316L stainless steel foils of electro-deposition, and Ta Feier pairs of the stainless steel foil in 0.15M NaCl solutions after immersion 26h respectively
Compare curve.
Interpretation of result such as following table：
Learnt by upper table data analysis, the ppy films by being electrodeposited in the formation of 316L stainless steel surfaces equally have preferable
Corrosion Protection, especially prominent is that the time is more long, and its Corrosion Protection is more obvious.
Described above is only the citing of embodiments of the present invention, it is noted that for the ordinary skill of the art
For personnel, without departing from the technical principles of the invention, some improvement and modification can also be made, these improve and become
Type also should be regarded as protection scope of the present invention.
Claims (2)
- A kind of 1. method for forming film of poly pyrrole in stainless steel surfaces electro-deposition, it is characterised in that：Using stainless steel foil as anode, Using stainless steel foil as negative electrode, it is 1~5mm to control the distance of negative electrode and anode, and using 1-METHYLPYRROLIDONE as solvent, pyrroles is electricity The volume ratio of Xie Zhi, 1-METHYLPYRROLIDONE and pyrroles be 1~200, temperature be 10~90 DEG C, voltage range be 10~ 10~30min of electrophoretic deposition, the anode strip cleaning, drying that then will be obtained, i.e., in stainless steel surfaces shape are carried out under conditions of 300V Into film of poly pyrrole.
- A kind of 2. method for forming film of poly pyrrole in stainless steel surfaces electro-deposition as claimed in claim 1, it is characterised in that： The drying course is carried out in air dry oven.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510764320.9A CN105297098B (en) | 2015-11-10 | 2015-11-10 | A kind of method for forming film of poly pyrrole in stainless steel surfaces electro-deposition |
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| CN201510764320.9A CN105297098B (en) | 2015-11-10 | 2015-11-10 | A kind of method for forming film of poly pyrrole in stainless steel surfaces electro-deposition |
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| CN105297098A CN105297098A (en) | 2016-02-03 |
| CN105297098B true CN105297098B (en) | 2017-11-28 |
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| CN109031834A (en) * | 2018-07-23 | 2018-12-18 | 上海第二工业大学 | A kind of self-charging polypyrrole discoloration battery and preparation method thereof |
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| CN101037787B (en) * | 2007-01-25 | 2010-09-15 | 西安交通大学 | Preparation technique of high-density polypyrrole film anticorrosive coating |
| KR101009442B1 (en) * | 2009-04-15 | 2011-01-19 | 한국과학기술연구원 | Method for fabrication of conductive film using conductive frame and conductive film |
| CN104328473A (en) * | 2014-10-09 | 2015-02-04 | 东华大学 | Method for preparation of polypyrrole surface modified polymer conductive material by electrochemical deposition technology |
| CN104878433B (en) * | 2015-05-08 | 2018-03-27 | 天津大学 | A kind of preparation method of ionic conductive polymer membrane |
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