The method and its application of super-hydrophobic coat are prepared based on electrodeposition process
Technical field
The present invention relates to a kind of method for preparing super-hydrophobic coat, more particularly to it is a kind of prepared based on electrodeposition process it is super-hydrophobic
The method and its application of coating belong to super-hydrophobic coat technical field of anticorrosion.
Background technique
Power grid Corrosion style is not only various, since its local environment is frequently accompanied by high-voltage electromagnetic environmental characteristic, some corrosion
Behavior has apparent power grid feature, such as the DC electrolysis corrosion that power grid high voltage direct current transmission project earthing pole faces, partially sets
The standby etching problem faced under the effect of the various factors couplings such as strong-electromagnetic field and natural environment, further increases power grid corrosion protection
The difficulty of work.
The exploitation and application aspect of power transmission and transformation anti-corrosion new material and new technology are successively opened for electric power pylon Anticorrosion
Novel alloy coating anti-corrosion material, such as the corrosion of zinc-aluminium magnesium-rare earth alloy coating, a variety of High Performance Corrosion Protective Coatings, high-performance are sent out
New materials and the new technologies such as slushing oil, electric power pylon weathering steel, novel tower angle and fastener coating technology, some areas are
The engineer application work of electric power pylon weathering steel is carried out.
Currently, power grid corrosion protection work aspect is there is also many deficiencies, project of transmitting and converting electricity new type corrosion resistant material and
The research and development and application of corrosion protection system are exactly one of problem.
Summary of the invention
In view of the above problems, the present invention provides a kind of method and its application that super-hydrophobic coat is prepared based on electrodeposition process.
The technical scheme to solve the above technical problems is that
A method of super-hydrophobic coat is prepared based on electrodeposition process, includes the following steps: that one, electrode pre-processes: steel electricity
Pole grinding process on polishing paper, then cleans up the steel electrode polished with the homemade deionized water in laboratory,
It is processed by shot blasting again with aluminium powder, further removes a large amount of greasy dirt, then carried out again with the homemade deionized water in laboratory
Secondary flushing places it in the beaker for filling ethyl alcohol after rinsing well, puts ultrasonic cleaner into and carries out ultrasound 5-
25min, then cleaned up with a large amount of deionized water, it dries, is sealed with sealed membrane, it is spare;Two, it prepares electrolyte: first having to
20-40 milligrams of graphene is weighed, 30 milliliters of deionized water is dissolved, sealed with sealed membrane, and ultrasonic cleaner is put into
Middle progress ultrasound 0.5-3 hours, until graphene shows crushing state, graphene aqueous dispersions are made, it is spare;Three, electro-deposition
Graphene: CHI 660E electrochemical analyser is added in graphene aqueous dispersions, is tested using bipolar electrode power supply, with processed
Steel electrode as cathode, platinum plate electrode carries out electro-deposition as anode, with CHI 660E electrochemical analyser, selection
Amperometric i-t Curve in Techique, initial potential are set as 1.5V, and runing time is set as 5min, click
Operation;Four, electro-deposition graphene is tested using CHI 604E electrochemical analyser, obtains electrochemical tests figure.
Preferably, include the following steps: that one, electrode pre-processes: steel electrode grinding process on polishing paper, it then will polishing
Good steel electrode is cleaned up with the homemade deionized water in laboratory, then is processed by shot blasting with aluminium powder, is further gone
It except a large amount of greasy dirt, is then rinsed again with the homemade deionized water in laboratory, places it in and fill after rinsing well
In the beaker of ethyl alcohol, puts ultrasonic cleaner into and carry out ultrasound 10-20min, then cleaned up with a large amount of deionized water, dried
It is dry, it is sealed with sealed membrane, it is spare;Two, it prepares electrolyte: first having to weigh 25-35 milligrams of graphene, 30 milliliters of deionization
Water is dissolved, and is sealed with sealed membrane, is put into ultrasonic cleaner and is carried out ultrasound 1-2.5 hours, until graphene shows powder
Graphene aqueous dispersions are made in broken state, spare;Three, electro-deposition graphene: CHI 660E electrification is added in graphene aqueous dispersions
Credit analyzer is tested using bipolar electrode power supply, uses processed steel electrode as cathode, and platinum plate electrode is used as anode
CHI 660E electrochemical analyser carries out electro-deposition, selects the Amperometric i-t Curve in Techique, initial electricity
Position is set as 1.5V, and runing time is set as 5min, clicks operation;Four, electricity is tested using CHI 604E electrochemical analyser to sink
Product graphene, obtains electrochemical tests figure.
Preferably, include the following steps: that one, electrode pre-processes: steel electrode grinding process on polishing paper, it then will polishing
Good steel electrode is cleaned up with the homemade deionized water in laboratory, then is processed by shot blasting with aluminium powder, is further gone
It except a large amount of greasy dirt, is then rinsed again with the homemade deionized water in laboratory, places it in and fill after rinsing well
In the beaker of ethyl alcohol, puts ultrasonic cleaner into and carry out ultrasound 8-18min, then cleaned up with a large amount of deionized water, dried
It is dry, it is sealed with sealed membrane, it is spare;Two, it prepares electrolyte: first having to weigh 28-32 milligrams of graphene, 30 milliliters of deionization
Water is dissolved, and is sealed with sealed membrane, is put into ultrasonic cleaner and is carried out ultrasound 1 hour, until graphene shows comminution
Graphene aqueous dispersions are made in state, spare;Three, electro-deposition graphene: the credit of CHI660E electrification is added in graphene aqueous dispersions
Analyzer is tested using bipolar electrode power supply, uses processed steel electrode as cathode, and platinum plate electrode uses CHI as anode
660E electrochemical analyser carries out electro-deposition, selects the Amperometric i-t Curve in Techique, and initial potential is set
It is set to 1.5V, runing time is set as 5min, clicks operation;Four, electro-deposition stone is tested using CHI 604E electrochemical analyser
Black alkene obtains electrochemical tests figure.
Preferably, include the following steps: that one, electrode pre-processes: steel electrode grinding process on polishing paper, it then will polishing
Good steel, copper, aluminium and magnesium electrode is cleaned up with the homemade deionized water in laboratory, then is processed by shot blasting with aluminium powder,
A large amount of greasy dirt is further removed, is then rinsed again with the homemade deionized water in laboratory, it will after rinsing well
It is placed in the beaker for filling ethyl alcohol, puts ultrasonic cleaner into and carries out ultrasound 15min, then is cleaned with a large amount of deionized water
Completely, it dries, is sealed with sealed membrane, it is spare;Two, it prepares electrolyte: first having to weigh 30 milligrams of graphene, 30 milliliters are gone
Ionized water is dissolved, and is sealed with sealed membrane, is put into ultrasonic cleaner and is carried out ultrasound 1 hour, until graphene shows powder
Graphene aqueous dispersions are made in broken state, spare;Three, electro-deposition graphene: CHI 660E electrification is added in graphene aqueous dispersions
Credit analyzer is tested using bipolar electrode power supply, uses processed steel electrode as cathode, and platinum plate electrode is used as anode
CHI 660E electrochemical analyser carries out electro-deposition, selects the Amperometric i-t Curve in Techique, initial electricity
Position is set as 1.5V, and runing time is set as 5min, clicks operation;Four, electricity is tested using CHI 604E electrochemical analyser to sink
Product graphene, obtains electrochemical tests figure.
Preferably, the application of the super-hydrophobic coat of the method preparation of super-hydrophobic coat is prepared based on electrodeposition process: super-hydrophobic
Coating is applied on electric power pylon.
Compared with prior art, the beneficial effects of the present invention are: preparing super-hydrophobic coat using electrodeposition process and use exists
In terms of power grid anti-corrosion, increased using corrosion potential when super-hydrophobic coat, corrosion current reduces, it was demonstrated that cated electrode ratio does not have
The electrode corrosion-resistant performance of coating will be got well, and realize that good power grid anticorrosion ability, super-hydrophobic automatic cleaning coating have in power grid work
Wide application prospect in terms of journey anticorrosion.
Detailed description of the invention
Fig. 1 is graphite ene coatings electrodeposition time variation diagram of the present invention;
Fig. 2 is graphite ene coatings electro-deposition voltage change figure of the present invention;
Fig. 3 is steel electrode of the present invention, copper electrode and aluminium electrode electrochemical tests figure.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
Embodiment one:
A method of super-hydrophobic coat is prepared based on electrodeposition process, includes the following steps: that one, electrode pre-processes: steel electricity
Pole grinding process on polishing paper, then cleans up the steel electrode polished with the homemade deionized water in laboratory,
It is processed by shot blasting again with aluminium powder, further removes a large amount of greasy dirt, then carried out again with the homemade deionized water in laboratory
Secondary flushing places it in the beaker for filling ethyl alcohol after rinsing well, puts ultrasonic cleaner into and carries out ultrasound 15min,
It is cleaned up again with a large amount of deionized water, dries, sealed with sealed membrane, it is spare;Two, it prepares electrolyte: first having to weigh 30
The graphene of milligram, 30 milliliters of deionized water are dissolved, are sealed with sealed membrane, are put into ultrasonic cleaner and are carried out ultrasound
1 hour, until graphene shows crushing state, graphene aqueous dispersions are made, it is spare;Three, electro-deposition graphene: graphene water
CHI 660E electrochemical analyser is added in dispersion liquid, is tested using bipolar electrode power supply, uses processed steel electrode as yin
Pole, platinum plate electrode carry out electro-deposition as anode, with CHI 660E electrochemical analyser, select in Techique
Amperometric i-t Curve, initial potential are set as 1.5V, and runing time is set as 5min, click operation;Four, it uses
CHI 604E electrochemical analyser tests electro-deposition graphene, obtains electrochemical tests figure.
Use the method for CHI 604E electrochemical analyser test electro-deposition graphene:
(1) 18.1347 grams of sodium chloride the preparation of sodium chloride solution (simulated seawater): is dissolved in 50 milliliters of deionized water
In, stirring mixes them thoroughly uniformly, is settled to 500 milliliters, then can be obtained by 5.3% sodium chloride solution.
(2) 1.2114g trihydroxy methylamino methane (Tris) preparation of Tris-HCL buffer: is dissolved in 100 milliliters
It in ionized water, is uniformly mixed, obtains the Tris solution of 0.1M;2.1 milliliters of HCL is dissolved in 250 milliliters of deionized water
In, the HCL of 0.1M is obtained, 50ml Tris+14.7mlHCL mixing adjusts pH value to PH=8.5.
(3) preparation of phosphate buffer solution (PBS): 0.1M sodium dihydrogen phosphate (NaH2PO4)+0.1M disodium hydrogen phosphate
(Na2HPO4)。
(4) preparation of B-R buffer solution: 0.1M H3PO4+0.1M CH3COOH+0.2M H3BO3, and with the NaOH of 0.5M
Solution adjusts its pH value.
When being tested using the electrochemical analyser of CHI 604E, red collet is first had to be clipped in platinum plate electrode
On (to pole), then the collet of white is clipped on glass-carbon electrode (reference electrode), the collet of green is finally clipped in work electricity
On pole steel electrode (being coated with the side of electro-deposition graphite ene coatings on steel electrode outwardly), according to the method for sight alignment, make this
Three electrodes are aligned in sodium chloride solution.The Open Circuit Potential-Time in Techique is first selected, then
Parameter button is clicked again and carries out parameter setting, and general runing time is arranged between 1500-3000s, remaining parameter does not change
Become, after setting parameter, clicks operation.Most stable of potential data is saved after end of run, is then clicked
A.C.Impednace (ac impedance measurement abbreviation IMP) in Techique, then click parameter button and carry out parameter setting, just
Beginning current potential is exactly the stable potential data that OCPT is measured, and upper limiting frequency is set as 106, and lower frequency limit is set as 0.01, remaining
Parameter remains unchanged, and then clicks operation.AC impedance figure is obtained after 800s, is then saved, it is spare.Then it clicks
Tafel-Plot (Tafel figure abbreviation tafel) in Techique, then click parameter button and carry out parameter setting, initial potential
It is exactly the stable potential data+0.3 that OCPT is measured, terminal current potential is exactly stable potential data -0.3 that OCPT is measured, scanning
Speed is set as 0.01, and sensitivity is set as 1.e-004, remaining parameter does not change, clicks operation after setting parameter,
Tafel figure is obtained after 60s, available reference electrode (non-coating layer) and working electrode (coating layer), there is coating from figure
Electrode ratio do not have that cated electrode corrosion electric current is low, corrosion potential is high, therefore deduce that, corrosion potential increases and corrodes
The reduction of electric current can prove that cated electrode is got well than not having cated electrode corrosion-resistant performance, and it is defeated to be suitably applied power grid
On ferroelectric tower corrosion-resistant coating.
Embodiment two
A method of super-hydrophobic coat is prepared based on electrodeposition process, includes the following steps: that one, electrode pre-processes: steel electricity
Pole grinding process on polishing paper, then cleans up the steel electrode polished with the homemade deionized water in laboratory,
It is processed by shot blasting again with aluminium powder, further removes a large amount of greasy dirt, then carried out again with the homemade deionized water in laboratory
Secondary flushing places it in the beaker for filling ethyl alcohol after rinsing well, puts ultrasonic cleaner into and carries out ultrasound 15min,
It is cleaned up again with a large amount of deionized water, dries, sealed with sealed membrane, it is spare;Two, it prepares electrolyte: first having to weigh 30
The graphene of milligram, 30 milliliters of deionized water are dissolved, are sealed with sealed membrane, are put into ultrasonic cleaner and are carried out ultrasound
1 hour, until graphene shows crushing state, graphene aqueous dispersions are made, it is spare;Three, electro-deposition graphene: graphene water
CHI 660E electrochemical analyser is added in dispersion liquid, is tested using bipolar electrode power supply, uses processed steel electrode as yin
Pole, platinum plate electrode carry out electro-deposition as anode, with CHI 660E electrochemical analyser, select in Techique
Amperometric i-t Curve, initial potential are set as 1.5V, and runing time is set as 5min, click operation;Four, it uses
CHI 604E electrochemical analyser tests electro-deposition graphene, obtains electrochemical tests figure.
Use the method for CHI 604E electrochemical analyser test electro-deposition graphene:
The preparation method of buffer is the same as example 1.
When being tested using the electrochemical analyser of CHI 604E, red collet is first had to be clipped in platinum plate electrode
On (to pole), then the collet of white is clipped on glass-carbon electrode (reference electrode), the collet of green is finally clipped in work electricity
In pole aluminium electrode (being coated with the side of electro-deposition graphite ene coatings in aluminium electrode outwardly), according to the method for sight alignment, make this
Three electrodes are aligned in sodium chloride solution.The Open Circuit Potential-Time in Techique is first selected, then
Parameter button is clicked again and carries out parameter setting, and general runing time is arranged between 1500-3000s, remaining parameter does not change
Become, after setting parameter, clicks operation.Most stable of potential data is saved after end of run, is then clicked
A.C.Impednace (ac impedance measurement abbreviation IMP) in Techique, then click parameter button and carry out parameter setting, just
Beginning current potential is exactly the stable potential data that OCPT is measured, and upper limiting frequency is set as 106, and lower frequency limit is set as 0.01, remaining
Parameter remains unchanged, and then clicks operation.AC impedance figure is obtained after 800s, is then saved, it is spare.Then it clicks
Tafel-Plot (Tafel figure abbreviation tafel) in Techique, then click parameter button and carry out parameter setting, initial potential
It is exactly the stable potential data+0.3 that OCPT is measured, terminal current potential is exactly stable potential data -0.3 that OCPT is measured, scanning
Speed is set as 0.01, and sensitivity is set as 1.e-004, remaining parameter does not change, clicks operation after setting parameter,
Tafel figure is obtained after 60s, available reference electrode (non-coating layer) and working electrode (coating layer), there is coating from figure
Electrode ratio do not have that cated electrode corrosion electric current is low, corrosion potential is high, therefore deduce that, corrosion potential increases and corrodes
The reduction of electric current can prove that cated electrode is got well than not having cated electrode corrosion-resistant performance, and it is defeated to be suitably applied power grid
On ferroelectric tower corrosion-resistant coating.
Embodiment three
A method of super-hydrophobic coat is prepared based on electrodeposition process, includes the following steps: that one, electrode pre-processes: steel electricity
Pole grinding process on polishing paper, then cleans up the steel electrode polished with the homemade deionized water in laboratory,
It is processed by shot blasting again with aluminium powder, further removes a large amount of greasy dirt, then carried out again with the homemade deionized water in laboratory
Secondary flushing places it in the beaker for filling ethyl alcohol after rinsing well, puts ultrasonic cleaner into and carries out ultrasound 15min,
It is cleaned up again with a large amount of deionized water, dries, sealed with sealed membrane, it is spare;Two, it prepares electrolyte: first having to weigh 30
The graphene of milligram, 30 milliliters of deionized water are dissolved, are sealed with sealed membrane, are put into ultrasonic cleaner and are carried out ultrasound
1 hour, until graphene shows crushing state, graphene aqueous dispersions are made, it is spare;Three, electro-deposition graphene: graphene water
CHI 660E electrochemical analyser is added in dispersion liquid, is tested using bipolar electrode power supply, uses processed steel electrode as yin
Pole, platinum plate electrode carry out electro-deposition as anode, with CHI 660E electrochemical analyser, select in Techique
Amperometric i-t Curve, initial potential are set as 1.5V, and runing time is set as 5min, click operation;Four, it uses
CHI 604E electrochemical analyser tests electro-deposition graphene, obtains electrochemical tests figure.
Use the method for CHI 604E electrochemical analyser test electro-deposition graphene:
The preparation method of buffer is the same as example 1.
When being tested using CHI 604E electrochemical analyser, it is (right to first have to the red collet to be clipped in platinum plate electrode
Pole) on, then the collet of white is clipped on glass-carbon electrode (reference electrode), the collet of green is finally clipped in working electrode copper
On electrode (being coated with the side of electro-deposition graphite ene coatings on copper electrode outwardly), according to the method for sight alignment, make these three
Electrode is aligned in sodium chloride solution.The Open Circuit Potential-Time in Techique is first selected, then point again
It hits parameter button and carries out parameter setting, general runing time is arranged between 1500-3000s, remaining parameter does not change, if
After having set parameter, operation is clicked.Most stable of potential data is saved after end of run, is then clicked in Techique
A.C.Impednace (ac impedance measurement abbreviation IMP), then click parameter button and carry out parameter setting, initial potential is exactly
The stable potential data that OCPT is measured, upper limiting frequency are set as 106, and lower frequency limit is set as 0.01, remaining parameter is kept not
Become, then clicks operation.AC impedance figure is obtained after 800s, is then saved, it is spare.Then it clicks in Techique
Tafel-Plot (Tafel figure abbreviation tafel), then click parameter button and carry out parameter setting, initial potential is exactly that OCPT is measured
Stable potential data+0.3, terminal current potential is exactly stable potential data -0.3 that OCPT is measured, and the speed of scanning is set as
0.01, sensitivity is set as 1.e-004, remaining parameter does not change, clicks operation after setting parameter, obtains after 60s
Tafel figure, available reference electrode (non-coating layer) and working electrode (coating layer), cated electrode ratio do not have from figure
Cated electrode corrosion electric current is low, corrosion potential is high, therefore deduces that, the reduction of corrosion potential increased with corrosion current
It can prove that cated electrode is got well than not having cated electrode corrosion-resistant performance, be suitably applied grid power transmission steel tower corrosion resistant
On corrosion coating.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.