CN107987674A - A kind of method for improving Marine Engineering Steel corrosion resistance - Google Patents
A kind of method for improving Marine Engineering Steel corrosion resistance Download PDFInfo
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- CN107987674A CN107987674A CN201711342148.3A CN201711342148A CN107987674A CN 107987674 A CN107987674 A CN 107987674A CN 201711342148 A CN201711342148 A CN 201711342148A CN 107987674 A CN107987674 A CN 107987674A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/02—Polyamines
- C08G73/026—Wholly aromatic polyamines
- C08G73/0266—Polyanilines or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/02—Polyamines
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
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Abstract
The invention belongs to steel corrosion resistance technical field, is related to a kind of method for improving Marine Engineering Steel corrosion resistance, more particularly to a kind of preparation method of doped polyaniline coating.Specific method is：First, aniline is evaporated under reduced pressure, to obtain colourless oil liquid；Secondly, using sodium peroxydisulfate as oxidant, doped polyaniline is prepared；Then, polishing, epoxy resin and the processing of curing agent approved sample are ground to carbon steel sample；Finally, using epoxy resin as matrix, addition nano-carbide, doped polyaniline and suitable additive, prepare polyaniline composite coating；And the carbon steel sample of brushing paint is placed in Soak Test corrosion resistance in 3.5%NaCl solution.Passivation of the coating to carbon steel substrates is the method increase, improves the corrosion resistance of polyaniline composite coating, extends the service life of equipment, improves the economic benefit of ocean engineering.The technological operation is simple, and raw material is inexpensively harmless, preserves the ecological environment, and reduces maintenance cost.
Description
Technical field
The invention belongs to steel corrosion resistance technical field, is related to a kind of method for improving Marine Engineering Steel corrosion resistance,
More particularly to a kind of preparation method of doped polyaniline coating.
Background technology
Steel material has unique mechanical performance and excellent physical and chemical performance, is applied in various fields.With
The exploitation of marine resources, application of the Steel material in marine field receives much concern.For example, drilling platforms, production platform with
And submarine pipeline etc., all apply substantial amounts of Steel material.
However, seawater has stronger corrosivity, most steel can be subject to different degrees of erosion in the seawater, and shortening is set
Standby service life, increases the maintenance cost of product, in some instances it may even be possible to can cause serious security incident.Therefore, lifting steel exist
Corrosion Protection in ocean engineering is important to promoting the development of the national economy to have the function that.
At present, the common anti-corrosion method of metal material mainly has three kinds：Coating protection method, electrochemical protection method and inhibition
Agent method.Wherein, coating Protection Code becomes most commonly used anti-corrosion method by coating heavy metal coating outside steel.Therefore,
Exploitation high-performance, nuisanceless, Eco-power novel anticorrosion coating are the research hotspots in Marine Engineering Steel field.
Polyaniline (PANI) has the characteristics that anticorrosive, scratch resistance capability as a kind of conducting polymer materials, prepares poly-
Aniline coating can effectively protect metal is from corrosion.But polyaniline mechanical property is poor, insoluble in general organic solvent, because
This, improves the processability of polyaniline, prepares high performance polyaniline coating, is that improvement Marine Engineering Steel corrosion resistance is effective
Approach.
The content of the invention
In order to improve the corrosion resistance of steel, the present invention proposes a kind of side for improving Marine Engineering Steel corrosion resistance
Method.With inexpensive, erosion-resisting conducting polymer aniline (PANI) with raw material, prepare the non-harmful novel anticorrosion of high-performance and apply
Material, studies the resistance to corrosion seawater of Steel material in 3.5%NaCl solution.The master operation of this method is as follows：First, to aniline
It is evaporated under reduced pressure, to obtain colourless oil liquid；Secondly, using sodium peroxydisulfate as oxidant, doped polyaniline is prepared；So
Afterwards, polishing, epoxy resin and the processing of curing agent approved sample are ground to carbon steel sample；Finally, using epoxy resin as matrix, addition
Nano-carbide, doped polyaniline and suitable additive, prepare polyaniline composite coating；And by the carbon steel of brushing paint
Sample is placed in Soak Test anti-corrosive properties in 3.5%NaCl solution.
Technical scheme：
A kind of method for improving Marine Engineering Steel corrosion resistance, carries out according to the following steps：
Step 1：The purification of polyaniline
(1) installation of purifying plant and the detection of air-tightness are depressurized；
(2) polyaniline and zinc powder are added in reaction unit, the addition of polyaniline is no more than the half of flask；
(3) device is vacuumized, adjusts capillary syring air import volume, until a succession of minute bubbles of emerging；
(4) after steady pressure, heating distillation；
Step 2：The preparation of doped polyaniline
(1) by polyaniline, Bronsted acid and, nano-carbide mix, formed doped polyaniline, be mixed；
(2) during raw material stirs, sodium peroxydisulfate APS solution is added dropwise；
(3) after adulterating, agitation and filtration solution rinses filter cake repeatedly, and drying and grinding obtains dopant；
Step 3：The processing of carbon steel sample
(1) using different purpose sand paper successively to carbon steel sample grinding and polishing；
(2) carbon steel sample after polishing is immersed in the mixed solution of acetone and ethanol, ultrasound 30；
(3) after solvent volatilization, conducting resinl is burn-on filamentary silver line, is connected to carbon steel sample both ends；
(4) with epoxy resin and curing agent to carbon steel sample approved sample, dry solidification；
Step 4：The preparation of polyaniline composite coating
(1) curing agent, n-butanol/NMP mixed solvents are added sequentially in epoxy resin, stirred；
(2) after two-component is uniformly dissolved, DBP plasticizer and ethyl acetate defoamer, ultrasound are added, then add nano silicon carbide
Thing or doped polyaniline, the static curing of room temperature, obtains polyaniline composite coating；
(3) viscous coating materials are uniformly brushed and are encapsulating the working face of sample, dry solidification after curing.
In the step 1 (4), heating distillation, is distilled with the speed that 1 drop is per second；
In the step 2 (1), 10min, magnetic agitation 20min are stirred for glass bar the step of the mixing,
Until solution becomes colorless and clear liquid, the nano-carbide of 1.25g is added, after ultrasonic disperse 30min, retransfer solution in three mouthfuls
Reinforcement stirs 30min in flask；
The Bronsted acid is in hydrochloric acid HCl, p-methyl benzenesulfonic acid TSA, dodecyl benzene sulfonic acid DBSA and hydrofluoric acid HF
It is one or more；
The nano-carbide is the one or more in carborundum, titanium carbide, zirconium carbide and boron carbide；
In the step 2 (2), the sodium peroxydisulfate APS solution is matched somebody with somebody by 22.82g APS and 150ml deionized waters
Put and form；
The sodium peroxydisulfate APS solution is slowly dropped in mixed solution by constant pressure funnel, with the dropwise addition that 1 drop is per second
2.5h is persistently added dropwise in speed, and dropwise addition process carries out under condition of ice bath；
In the step 2 (3), the stirring is to continue to stir more than 10h under conditions of ice-water bath；
The filtering is to rinse filter cake repeatedly with ethanol and deionized water until filtrate is colourless；
The drying is the dry 24h in 60 DEG C of drying boxes；
In the step 3 (1), the sand paper is 100 mesh, 360 mesh, 600 mesh, 1000 mesh and 1200 mesh；
The polisher lapper is MP-1B polisher lappers；
In the step 3 (4), the curing agent is 651 type curing agent；
In the step 4 (1), the epoxy resin is 2.5g, and the ratio of n-butanol/NMP mixed solvents is 3:1,
Curing agent is 0.75g；
The curing agent is 651 type curing agent.
A kind of method of improvement Marine Engineering Steel corrosion resistance of the present invention, compared with prior art, its advantage
It is：
1. a kind of method of improvement Marine Engineering Steel corrosion resistance of the present invention, effectively improves the corrosion-resistant of steel
Property, extends the service life of equipment, improves the economic benefit of ocean engineering.
2. a kind of method of improvement Marine Engineering Steel corrosion resistance of the present invention, utilizes Bronsted acid and nano-carbide pair
Polyaniline Doped is modified, and is improved passivation of the coating to carbon steel substrates, is effectively improved the anti-corruption of polyaniline composite coating
Corrosion.
A kind of 3. method of improvement Marine Engineering Steel corrosion resistance of the present invention, using coating protection method, simple process
It is easy, easy to industrialized production.
A kind of 4. method of improvement Marine Engineering Steel corrosion resistance of the present invention, with inexpensive, erosion-resisting conductive poly-
Compound aniline (PANI) is raw material, prepares the non-harmful novel anticorrosion coating of high-performance, improves the corrosion resistance of steel,
Ecological environment is protected, reduces maintenance cost.
Brief description of the drawings
Fig. 1 is a kind of process flow chart of the method for improvement Marine Engineering Steel corrosion resistance of the present invention.
Embodiment
With reference to embodiment, the present invention is described in further detail.
In following embodiments, except special instruction, raw material is all from purchased in market.
In following embodiments, a kind of method process flow chart for improving Marine Engineering Steel corrosion resistance is shown in Fig. 1.
Embodiment 1
A kind of method for improving Marine Engineering Steel corrosion resistance, carries out according to the following steps：
Step 1：The purification of polyaniline
(1) installation of purifying plant and the detection of air-tightness are depressurized；
(2) suitable polyaniline and zinc powder are added in round flask；
(3) device is vacuumized, adjusts capillary syring air import volume；
(4) after steady pressure, heating distillation.
Step 2：The preparation of doped polyaniline
(1) polyaniline of 9.11ml and the HCl of 100ml, 1.0mol/L are mixed；
(2) during raw material stirs, sodium peroxydisulfate (APS) solution is added dropwise with certain speed；
(3) after adulterating, agitation and filtration solution rinses filter cake repeatedly, and drying and grinding obtains dopant.
Step 3：The processing of carbon steel sample
(1) carbon steel sample grinding and polishing of the different purpose sand paper successively to size for 2cm × 2cm specifications is used；
(2) carbon steel sample after polishing is immersed in acetone and ethanol solution, ultrasonic 30min；
(3) after solvent volatilization, conducting resinl filamentary silver line of burn-oning is connected to carbon steel sample both ends；
(4) 24h is cured in drying box to carbon steel sample approved sample with epoxy resin and curing agent.
Step 4：The preparation of polyaniline composite coating
(1) a certain proportion of curing agent, n-butanol/NMP mixed solvents are sequentially added in epoxy resin, mechanical agitation；
(2) a certain amount of DBP plasticizer and ethyl acetate defoamer are added after two-component is uniformly dissolved, ultrasonic 30min,
Add a certain amount of HCl doped polyanilines (PANI-HCl) again, after the static curing 24h of room temperature, obtain polyaniline composite coating；
(3) viscous coating materials are uniformly brushed and are encapsulating the working face of sample after curing, and are placed in 60 DEG C of drying boxes and cure
24h。
After testing, for the carbon steel sample of PANI-HCl/EP coatings in 3.5%NaCl solution dipping, Tafel curves show it
The corrosion rate of the relatively naked carbon steel of corrosion rate reduces 11 times；The AC impedance of the relatively naked carbon steel of electrochemical alternate impedance spectrum increases
It is 3 times high；After being soaked 30 days in 3.5%NaCl solution, there is local corrosion phenomenon at edge, relatively naked carbon steel surface and side
Edge significantly improves the corrosion resistance of Marine Engineering Steel with the presence of iron rust, the carbon steel sample of PANI-HCl/EP coatings.
Embodiment 2
A kind of method for improving Marine Engineering Steel corrosion resistance, with embodiment 1, difference is, required doping
Polyaniline is TSA (p-methyl benzenesulfonic acid).
After testing, for the carbon steel sample of PANI-TSA/EP coatings in 3.5%NaCl solution dipping, Tafel curves show it
The corrosion rate of the relatively naked carbon steel of corrosion rate reduces 25 times；The AC impedance of the relatively naked carbon steel of electrochemical alternate impedance spectrum increases
It is 4 times high；30 days rear surfaces are soaked in 3.5%NaCl solution undercut corrosion rusty stain, and relatively naked carbon steel surface and edge are all
With the presence of iron rust, the carbon steel sample of PANI-TSA/EP coatings significantly improves the corrosion resistance of Marine Engineering Steel.
Embodiment 3
A kind of method for improving Marine Engineering Steel corrosion resistance, with embodiment 1, difference is, required doping
Polyaniline is DBSA (dodecyl benzene sulfonic acid).
After testing, in 3.5%NaCl solution dipping, Tafel curves are shown the carbon steel sample of PANI-DBSA/EP coatings
The corrosion rate of the relatively naked carbon steel of its corrosion rate reduces 44 times；The AC impedance of the relatively naked carbon steel of electrochemical alternate impedance spectrum
Increase 5 times；Soaked in 3.5%NaCl solution 30 days rear surfaces have shadow scratch corrode rusty stain, relatively naked carbon steel surface and
Edge significantly improves the corrosion resistance of Marine Engineering Steel with the presence of iron rust, the carbon steel sample of PANI-DBSA/EP coatings.
Embodiment 4
A kind of method for improving Marine Engineering Steel corrosion resistance, with embodiment 1, difference is, required polyphenyl
Amine undopes Bronsted acid, adds a certain amount of carborundum.
After testing, for the carbon steel sample of SiC/EP coatings in 3.5%NaCl solution dipping, Tafel curves show its corrosion
The corrosion rate of the relatively naked carbon steel of speed reduces 4.5 times；The AC impedance of the relatively naked carbon steel of electrochemical alternate impedance spectrum increases
2 times；After being soaked 30 days in 3.5%NaCl solution, there occurs local corrosion phenomenon, relatively naked carbon steel surface and edge have
Iron rust exists, and the carbon steel sample of SiC/EP coatings significantly improves the corrosion resistance of Marine Engineering Steel.
Embodiment 5
A kind of method for improving Marine Engineering Steel corrosion resistance, with embodiment 1, difference is, required polyphenyl
Amine undopes Bronsted acid, adds a certain amount of titanium carbide.
After testing, for the carbon steel sample of TiC/EP coatings in 3.5%NaCl solution dipping, Tafel curves show its corrosion
The corrosion rate of the relatively naked carbon steel of speed reduces 4 times；The AC impedance of the relatively naked carbon steel of electrochemical alternate impedance spectrum increases
1.5 again；After being soaked 30 days in 3.5%NaCl solution, there occurs local corrosion phenomenon, relatively naked carbon steel surface and edge have
Iron rust exists, and the carbon steel sample of TiC/EP coatings significantly improves the corrosion resistance of Marine Engineering Steel.
Embodiment 6
A kind of method for improving Marine Engineering Steel corrosion resistance, with embodiment 1, difference is, required polyphenyl
Amine undopes Bronsted acid, adds a certain amount of zirconium carbide.
After testing, for the carbon steel sample of ZrC/EP coatings in 3.5%NaCl solution dipping, Tafel curves show its corrosion
The corrosion rate of the relatively naked carbon steel of speed reduces 3 times；The AC impedance of the relatively naked carbon steel of electrochemical alternate impedance spectrum increases
1.5 again；After being soaked 30 days in 3.5%NaCl solution, there occurs local corrosion phenomenon, relatively naked carbon steel surface and edge have
Iron rust exists, and the carbon steel sample of ZrC/EP coatings significantly improves the corrosion resistance of Marine Engineering Steel.
Embodiment 7
A kind of method for improving Marine Engineering Steel corrosion resistance, with embodiment 1, difference is：
(1) Bronsted acid of Polyaniline Doped is DBSA (dodecyl benzene sulfonic acid)；
(2) carbide of Polyaniline Doped is SiC.
After testing, the carbon steel sample of PANI-SiC-DBSA/EP coatings is in 3.5%NaCl solution dipping, Tafel curves
Showing the corrosion rate of the relatively naked carbon steel of its corrosion rate reduces 89 times；The exchange of the relatively naked carbon steel of electrochemical alternate impedance spectrum
Impedance increases 7 times；30 days rear surfaces are soaked in 3.5%NaCl solution few undercut corrosion rusty stain, almost corrosion-free existing
As occurring, relatively naked carbon steel surface and edge significantly change with the presence of iron rust, the carbon steel sample of PANI-SiC-DBSA/EP coatings
It has been apt to the corrosion resistance of Marine Engineering Steel, has shown preferable appearance and gloss.
Embodiment 8
A kind of method for improving Marine Engineering Steel corrosion resistance, with embodiment 1, difference is：
(1) Bronsted acid of Polyaniline Doped is DBSA (dodecyl benzene sulfonic acid)；
(2) carbide of Polyaniline Doped is TiC.
After testing, the carbon steel sample of PANI-TiC-DBSA/EP coatings is in 3.5%NaCl solution dipping, Tafel curves
Showing the corrosion rate of the relatively naked carbon steel of its corrosion rate reduces 85 times；The exchange of the relatively naked carbon steel of electrochemical alternate impedance spectrum
Impedance increases 6.5 times；30 days rear surfaces are soaked in 3.5%NaCl solution few undercut corrosion rusty stain, almost corrosion-free
Phenomenon occurs, and relatively naked carbon steel surface and edge are notable with the presence of iron rust, the carbon steel sample of PANI-TiC-DBSA/EP coatings
The corrosion resistance of Marine Engineering Steel is improved, shows preferable appearance and gloss.
Claims (10)
- A kind of 1. method for improving Marine Engineering Steel corrosion resistance, it is characterised in that carry out according to the following steps：Step 1：The purification of polyaniline(1) installation of purifying plant and the detection of air-tightness are depressurized；(2) polyaniline and zinc powder are added in reaction unit, the addition of polyaniline is no more than the half of flask；(3) device is vacuumized, adjusts capillary syring air import volume, until a succession of minute bubbles of emerging；(4) after steady pressure, heating distillation；Step 2：The preparation of doped polyaniline(1) by polyaniline, Bronsted acid and, nano-carbide mix, formed doped polyaniline, be mixed；(2) during raw material stirs, sodium peroxydisulfate APS solution is added dropwise；(3) after adulterating, agitation and filtration solution rinses filter cake repeatedly, and drying and grinding obtains dopant；Step 3：The processing of carbon steel sample(1) using different purpose sand paper successively to carbon steel sample grinding and polishing；(2) carbon steel sample after polishing is immersed in the mixed solution of acetone and ethanol, ultrasound 30；(3) after solvent volatilization, conducting resinl is burn-on filamentary silver line, is connected to carbon steel sample both ends；(4) with epoxy resin and curing agent to carbon steel sample approved sample, dry solidification；Step 4：The preparation of polyaniline composite coating(1) curing agent, n-butanol/NMP mixed solvents are added sequentially in epoxy resin, stirred；(2) after two-component is uniformly dissolved, DBP plasticizer and ethyl acetate defoamer, ultrasound are added, then add nano-carbide or Doped polyaniline, the static curing of room temperature, obtains polyaniline composite coating；(3) viscous coating materials are uniformly brushed and are encapsulating the working face of sample, dry solidification after curing.
- 2. according to the method described in claim 1, it is characterized in that, in the step 1 (4), the heating is distilled, with 1 Speed per second is dripped to be distilled.
- 3. method according to claim 1 or 2, it is characterised in that in the step 2 (1), the mixing Step stirs 10min, magnetic agitation 20min for glass bar, until solution becomes colorless and clear liquid, adds the nano-sized carbon of 1.25g Compound, after ultrasonic disperse 30min, retransfers solution reinforcement in three-necked flask and stirs 30min；The Bronsted acid is hydrochloric acid One or more in HCl, p-methyl benzenesulfonic acid TSA, dodecyl benzene sulfonic acid DBSA and hydrofluoric acid HF；The nano-carbide For the one or more in carborundum, titanium carbide, zirconium carbide and boron carbide.
- 4. method according to claim 1 or 2, it is characterised in that in the step 2 (2), the sodium peroxydisulfate APS solution is formed by the configuration of 22.82g APS and 150ml deionized waters；The sodium peroxydisulfate APS solution is leaked by constant pressure Bucket is slowly dropped in mixed solution, and 2.5h is persistently added dropwise with the rate of addition that 1 drop is per second, process is added dropwise under condition of ice bath Carry out.
- 5. according to the method described in claim 3, it is characterized in that, in the step 2 (2), the sodium peroxydisulfate APS is molten Liquid is formed by the configuration of 22.82g APS and 150ml deionized waters；The sodium peroxydisulfate APS solution is slow by constant pressure funnel It is added drop-wise in mixed solution, 2.5h is persistently added dropwise with the rate of addition that 1 drop is per second, dropwise addition process carries out under condition of ice bath.
- 6. a kind of method for improving Marine Engineering Steel corrosion resistance according to claim 5, it is characterised in that described In step 2 (3), the stirring is to continue to stir more than 10h under conditions of ice-water bath；The filtering is with ethanol and goes Ionized water rinses filter cake repeatedly until filtrate is colourless；The drying is the dry 24h in 60 DEG C of drying boxes.
- 7. according to the method described in claim 1,2,5 or 6, it is characterised in that in the step 3 (1), the sand paper is 100 mesh, 360 mesh, 600 mesh, 1000 mesh and 1200 mesh；The polisher lapper is MP-1B polisher lappers.
- 8. according to the method described in claim 1,2,5 or 6, it is characterised in that in the step 3 (4) and step 4 (1), institute The curing agent stated is 651 type curing agent；In the step 4 (1), the epoxy resin is 2.5g, and n-butanol/NMP is mixed The ratio of solvent is 3:1, curing agent 0.75g.
- 9. according to the method described in claim 3, it is characterized in that, in the step 3 (4) and step 4 (1), described consolidates Agent is 651 type curing agent；In the step 4 (1), the epoxy resin is 2.5g, n-butanol/NMP mixed solvents Ratio is 3:1, curing agent 0.75g.
- 10. the method according to the description of claim 7 is characterized in that in the step 3 (4) and step 4 (1), described consolidates Agent is 651 type curing agent；In the step 4 (1), the epoxy resin is 2.5g, n-butanol/NMP mixed solvents Ratio is 3:1, curing agent 0.75g.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552801A (en) * | 2020-12-25 | 2021-03-26 | 南京大学 | Ti-containing alloy3C2TX(MXene)/polyaniline water-based anticorrosive paint and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980798A (en) * | 2014-05-14 | 2014-08-13 | 天津大学 | Doped-state polyaniline epoxy paint and preparation method thereof |
| CN105482645A (en) * | 2016-01-19 | 2016-04-13 | 武汉工程大学 | Anticorrosive polyaniline/silicon carbide/graphene composite coating and preparation method thereof |
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2017
- 2017-12-14 CN CN201711342148.3A patent/CN107987674A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103980798A (en) * | 2014-05-14 | 2014-08-13 | 天津大学 | Doped-state polyaniline epoxy paint and preparation method thereof |
| CN105482645A (en) * | 2016-01-19 | 2016-04-13 | 武汉工程大学 | Anticorrosive polyaniline/silicon carbide/graphene composite coating and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112552801A (en) * | 2020-12-25 | 2021-03-26 | 南京大学 | Ti-containing alloy3C2TX(MXene)/polyaniline water-based anticorrosive paint and preparation method thereof |
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