CN103074629A - Cupronickel B30 having super-hydrophobic surface and preparation method thereof - Google Patents
Cupronickel B30 having super-hydrophobic surface and preparation method thereof Download PDFInfo
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- CN103074629A CN103074629A CN2012105541230A CN201210554123A CN103074629A CN 103074629 A CN103074629 A CN 103074629A CN 2012105541230 A CN2012105541230 A CN 2012105541230A CN 201210554123 A CN201210554123 A CN 201210554123A CN 103074629 A CN103074629 A CN 103074629A
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Abstract
The invention discloses cupronickel B30 having the super-hydrophobic surface and a preparation method thereof. The surface of cupronickel B30 is chemically etched by an HCl-H2O2 solution having a concentration of 5wt% and through a self-assembly technology, a stearic acid film is formed on the treated surface of the cupronickel B30. The preparation method comprises the four steps of etching liquid preparation, cupronickel B30 pretreatment, rough surface preparation by chemical etching, and self-assembling of stearic acid on the rough surface of cupronickel B30. The cupronickel B30 having the super-hydrophobic surface has high corrosion resistance. A contact angle of water and the surface of the cupronickel B30 having the super-hydrophobic surface is 152.8 degrees. The cupronickel B30 having the super-hydrophobic surface has good anticorrosion effects in a NaCl aqueous solution having a concentration of 3.5wt% and has corrosion inhibition efficiency eta of 96.7%. The preparation method has the advantages of simple processes, low production cost and easy process control.
Description
Technical field
The present invention relates to a kind of cupronickel B 30 with super hydrophobic surface and preparation method thereof, particularly a kind of method for preparing super hydrophobic surface by simple chemical etching method and self-assembling technique on the cupronickel B 30 surface.
Background technology
Copper-nickel alloy is widely used in the heat exchange system in thermal power generation unit and the marine military engineering because of heat transfer and the corrosion resisting property of its excellence.But in the use procedure of reality, because the particularly existence of the aggressiveness ion (such as Cl-) in the seawater of water coolant, copper-nickel alloy tends to occur more serious etching problem, brings huge financial loss to production.There is environmental pollution in anti-corrosion method commonly used as adding water treatment corrosion inhibitors, drawback that dosage is large etc.
The super hydrophobic film process for treating surface is a kind of Novel anticorrosion technology that emerges in recent years, the effect that super hydrophobic surface can play automatically cleaning, inhibition surface corrosion and surface oxidation and reduce frictional coefficient for metallic substance.Make the metallic surface change super-hydrophobic attitude into by hydrophilic by certain preparation method, in anticorrosive metal field and real productive life, have important using value and wide application prospect.
At present, a lot of about the copper method for preparing super-hydrophobic surface, such as the sol-gel method, electrolytic process etc., but these preparation methods all exist complicated operation, equipment special, consuming time long, the deficiencies such as poor stability.And pass through H
2O
2Oxide etch is immersed in the present report not also of technology of preparing that the method for carrying out self-assembly in the stearic acid ethanolic soln prepares the super hydrophobic surface of cupronickel B 30 again.
Summary of the invention
One of purpose of the present invention is to provide a kind of cupronickel B 30 with super hydrophobic surface in order to solve above-mentioned technical problem.
Two of purpose of the present invention provides above-mentioned a kind of preparation method with cupronickel B 30 of super hydrophobic surface.
Technical scheme of the present invention
A kind of cupronickel B 30 with super hydrophobic surface namely at first is the hydrochloric acid H of 5wt.% by concentration
2O
2Solution carries out simple chemical etching method on the cupronickel B 30 surface, and then becomes one deck resin acid film by self-assembling technique in the cupronickel B 30 surface-assembled behind chemical etching.
Above-mentioned a kind of preparation method with cupronickel B 30 of super hydrophobic surface specifically comprises the steps:
(1), the preparation of etching liquid
The hydrochloric acid of 35%-37 wt.% is joined 30%wt.H
2O
2In, being mixed with concentration is the hydrochloric acid H of 5wt.%
2O
2Solution, i.e. etching liquid;
(2), the pre-treatment of cupronickel B 30
The brass cupronickel B 30 successively after the polishing of 1#, 3#, 6# abrasive paper for metallograph, is cleaned about 5min with Ultrasonic Cleaners in acetone solution, use successively again dehydrated alcohol, deionized water rinsing after the cleaning, to remove surface and oil contaminant and grease;
(3), chemical etching makes up surfaceness
The pretreated cupronickel B 30 of step (2) is immersed in the etching liquid of step (1) gained, etching 30min under the room temperature, etching at room temperature dries up by ultrasonic cleaning 5min, after both must have surfaceness cupronickel B 30;
(4), at cupronickel B 30 uneven surface self-assembly super hydrophobic film
The cupronickel B 30 with surfaceness of step (3) gained is put into the stearic ethanolic soln that pre-configured concentration is 0.1mol/L, after being 35 ℃ of lower 24h of immersion, temperature takes out, use first alcohol flushing, again through deionized water rinsing, put into 40 ℃ baking oven, take out behind the dry 5min, namely formed one deck stearic acid film at the cupronickel B 30 surface self-organization, namely get a kind of cupronickel B 30 with super hydrophobic surface.
The cupronickel B 30 with super hydrophobic surface of above-mentioned gained, its super hydrophobic surface can reach 152.8 ° to the contact angle of water, has shown good anticorrosion ability in the 3.5wt.% NaCl aqueous solution, and inhibition efficiency η has reached 96.7%.
Beneficial effect of the present invention
A kind of cupronickel B 30 with super hydrophobic surface of the present invention, because surface coverage one deck is by the film formed super hydrophobic surface of stearic acid, therefore it has higher antiseptic property, its super hydrophobic surface can reach 152.8 ° to the contact angle of water, shown good anticorrosion ability in the 3.5wt.%NaCl aqueous solution, inhibition efficiency η has reached 96.7%.
In addition, a kind of preparation method with cupronickel B 30 of super hydrophobic surface of the present invention, owing to seeing at first in the preparation process that adopting hydrogen peroxide and hydrochloric acid mixed solution is that etching liquid makes up surfaceness to the cupronickel B 30 surface etch, form super hydrophobic surface by self-assembling technique at copper-nickel alloy surface preparation stearic acid film more afterwards, therefore to have the preparation method simple for this preparation method, production cost is low, and process is easy to the advantages such as control.
Description of drawings
Fig. 1 a, the cupronickel B 30 electrode with super hydrophobic surface and the blank cupronickel B 30 electrode Nyquist figure in the NaCl of the 3.5wt.% aqueous solution;
Fig. 1 b, the cupronickel B 30 electrode with super hydrophobic surface and the polarization curve of blank cupronickel B 30 electrode in the NaCl of the 3.5wt.% aqueous solution;
The blank surface topography phenogram of blank cupronickel B 30 under Fig. 2 a, 1000 multiplying powers;
The later cupronickel B 30 surface topography phenogram of etching under Fig. 2 b, 1000 multiplying powers;
Fig. 3 a, have a super hydrophobic surface the cupronickel B 30 surface at the surface topography map that amplifies under 3000 multiplying powers;
Fig. 3 b, have a super hydrophobic surface the cupronickel B 30 surface at the surface topography map that amplifies under 1000 multiplying powers;
Fig. 3 c, have a super hydrophobic surface the cupronickel B 30 surface at the surface topography map that amplifies under 500 multiplying powers;
Fig. 3 d, have a super hydrophobic surface the cupronickel B 30 surface at the surface topography map that amplifies under 100 multiplying powers.
Embodiment
Also by reference to the accompanying drawings the present invention is further set forth below by embodiment, but do not limit the present invention.
A kind of measuring method with cupronickel B 30 morphology characterization of super hydrophobic surface of the present invention
Observe the surface topography of sample with scanning electronic microscope (SU-1500, Japanese Hitachi company).
Measure water droplet at the contact angle of super hydrophobic surface by surface tension tester (K100-MK2 type, German KRUSS company) again.
Electrochemical analysis
The measurement of ac impedance measurement and polarization curve is all finished in three-electrode system, working electrode is for making up the copper-nickel alloy electrode of hydrophobic membrane, the various embodiments of the present invention gained be the cupronickel B 30 of super hydrophobic surface, by the cupronickel B 30 alloy being cut into the fritter of 10mm*10mm, use the epoxy encapsulation non-working surface, making its working face area is 1cm
2, more successively by pre-treatment, chemical etching and stearic self-assembly preparation process can obtain having the cupronickel B 30 electrode of super hydrophobic surface, and supporting electrode and reference electrode are respectively Pt electrode and saturated calomel electrode (SCE).
It is EG﹠amp that electro-chemical test adopts instrument; The potentiostat Potentiostat/Galvanostat Model 273A of G company and lock-in amplifier Model 1025 LOCK IN AMPLIFIER.
Ac impedance measurement uses PRAC M398, and its system frequency scope is 100kHz-0.05Hz, and ac-excited signal peak is 5mV; Polarization curve sweep limit-0.15-0.15V (vs.OCP), sweep velocity is 1mV/s.
Inhibition efficiency (η %)
Calculate according to following formula:
I wherein
0Be respectively the corrosion electric current density that is untreated with copper-nickel alloy hydrophobic treatment rear electrode with I.
The specification of used raw material and manufacturer in the various embodiments of the present invention
| Reagent and material | Purity | Producer |
| Copper-nickel alloy | ≥99.5% | Yangzhou center stainless steel company limited |
| Stearic acid | Analytical pure | Green grass or young crops is analysed Chemical Industry Science Co., Ltd in Shanghai |
| Hydrogen peroxide | Analytical pure | Shanghai Ling Feng chemical reagent company limited |
| HCl | Analytical pure | Chemical Reagent Co., Ltd., Sinopharm Group |
| Dehydrated alcohol | Analytical pure | Chinasun Specialty Products Co., Ltd |
| NaCl | Analytical pure | Chemical Reagent Co., Ltd., Sinopharm Group |
Embodiment 1
A kind of preparation method with cupronickel B 30 of super hydrophobic surface comprises the steps:
(1), the preparation of etching liquid
Get the 30%wt.H of 13.35ml
2O
2Reagent adds the hydrochloric acid of 1ml35-37wt.% again in the 100ml volumetric flask, the concentration that is mixed with volume and is 100ml is the hydrochloric acid H of 5wt.%
2O
2Solution is etching liquid;
(2), the pre-treatment of cupronickel B 30
2 cupronickel B 30s are distinguished successively after 1#, 3#, the polishing of 6# abrasive paper for metallograph, in acetone solution, clean about 5min with Ultrasonic Cleaners, use successively dehydrated alcohol, deionized water rinsing after the cleaning, to remove surface and oil contaminant and grease, wherein 1 blank cupronickel B 30 of conduct uses again;
(3), chemical etching makes up surfaceness
Pretreated 1 cupronickel B 30 of step (2) is immersed in the etching liquid of step (1) gained, etching 30min under the room temperature, etching both must have the cupronickel B 30 of surfaceness by ultrasonic cleaning 5min after the drying;
(4), at the uneven surface self-assembly super hydrophobic film of cupronickel B 30
The cupronickel B 30 with surfaceness of step (3) gained is put into the stearic ethanolic soln that pre-configured concentration is 0.1mol/L, after being 35 ℃ of lower 24h of immersion, temperature takes out, use first alcohol flushing, again through deionized water rinsing, put into 40 ℃ baking oven, take out behind the dry 5min, namely formed one deck stearic acid film at the cupronickel B 30 surface self-organization, namely get a kind of cupronickel B 30 with super hydrophobic surface.
Fig. 1 a and Fig. 1 b are respectively Nyquist figure and the polarization curve of the cupronickel B 30 electrode with super hydrophobic surface in the NaCl of the 3.5wt.% aqueous solution of blank cupronickel B 30 electrode and above-mentioned gained.Curve 1 and curve 2 represent respectively blank cupronickel B 30 electrode and have the electrochemical analysis result of the cupronickel B 30 electrode of super hydrophobic surface among Fig. 1 a and Fig. 1 b.
It is a lot of that the impedance that can find out the cupronickel B 30 electrode with super hydrophobic surface from Fig. 1 a obviously is higher than the impedance of blank cupronickel B 30 electrode; this explanation; surface with cupronickel B 30 of super hydrophobic surface of the present invention has high density; the density on surface of cupronickel B 30 that namely has super hydrophobic surface is higher; corrosive medium more is not easy to be penetrated into cupronickel B 30, has reached the effect of protective membrane.
Following table has been listed corrosion potential Ecoor, corrosion electric current density Icoor and the inhibition efficiency eta that is drawn by Fig. 1 b.
Can draw in conjunction with Fig. 1 b and upper table, cupronickel B 30 electrode with super hydrophobic surface is compared with blank cupronickel B 30 electrode, corrosion electric current density is little 1 order of magnitude, and corrosion potential has also been shuffled, the surperficial resistance to corrosion of the cupronickel B 30 with super hydrophobic surface of this explanation gained of the present invention has obtained significant raising, and corrosion-resistant efficient reaches 96.7%.
A kind of preparation method with cupronickel B 30 of super hydrophobic surface comprises the steps:
(1), the preparation of etching liquid
Get the 30%wt.H of 13.35ml
2O
2Reagent adds the hydrochloric acid of 1ml35-37wt.% again in the 100ml volumetric flask, being mixed with 100ml concentration is the hydrochloric acid H of 5wt.%
2O
2Solution is etching liquid;
(2), the pre-treatment of cupronickel B 30
2 cupronickel B 30s are distinguished successively after 1#, 3#, the polishing of 6# abrasive paper for metallograph, in acetone solution, clean about 5min with Ultrasonic Cleaners, use successively dehydrated alcohol, deionized water rinsing after the cleaning, to remove surface and oil contaminant and grease, wherein 1 blank cupronickel B 30 of conduct uses again;
(3), chemical etching makes up surfaceness
Pretreated 1 cupronickel B 30 of step (2) is immersed in the etching liquid of step (1) gained, etching 30min under the room temperature, etching both must have the cupronickel B 30 of surfaceness by ultrasonic cleaning 5min after drying up under the room temperature;
(4), at the uneven surface self-assembly super hydrophobic film of cupronickel B 30
The cupronickel B 30 with surfaceness of step (3) gained is put into the stearic ethanolic soln that pre-configured concentration is 0.1mol/L, under temperature is 35 ℃, soak and took out afterwards in 1 day, use first alcohol flushing, again through deionized water rinsing, put into 40 ℃ baking oven, take out behind the dry 5min, namely formed one deck stearic acid film at the cupronickel B 30 surface self-organization, namely get a kind of cupronickel B 30 with super hydrophobic surface.
Fig. 2 a, Fig. 2 b are respectively the surface of blank cupronickel B 30 and the electron-microscope scanning picture on the cupronickel B 30 surface with super hydrophobic surface of above-mentioned gained.Relatively can find out through the cupronickel B 30 surface after the etching liquid etching by Fig. 2 a, Fig. 2 b to have formed certain coarse structure, thereby be conducive to make up super hydrophobic surface.
Embodiment 3
A kind of preparation method with cupronickel B 30 of super hydrophobic surface comprises the steps:
(1), the preparation of etching liquid
Get the 30%wt.H of 13.35ml
2O
2Reagent adds the hydrochloric acid of 1ml35-37wt.% again in the 100ml volumetric flask, the concentration that is mixed with volume 100ml is the hydrochloric acid H of 5wt.%
2O
2Solution is etching liquid;
(2), the pre-treatment of cupronickel B 30
Cupronickel B 30 successively after the polishing of 1#, 3#, 6# abrasive paper for metallograph, is cleaned about 5min with Ultrasonic Cleaners in acetone solution, use successively again dehydrated alcohol, deionized water rinsing after the cleaning, to remove surface and oil contaminant and grease;
(3), chemical etching makes up surfaceness
The pretreated cupronickel B 30 of step (2) is immersed in the etching liquid of step (1) gained, etching 30min under the room temperature, etching dries up the cupronickel B 30 that both must have surfaceness by ultrasonic cleaning 5min under the room temperature;
(4), at the uneven surface self-assembly super hydrophobic film of cupronickel B 30
The cupronickel B 30 with surfaceness of step (3) gained is put into the stearic ethanolic soln that pre-configured concentration is 0.1mol/L, under temperature is 35 ℃, soak and took out afterwards in 1 day, use first alcohol flushing, again through deionized water rinsing, put into 40 ℃ baking oven, take out behind the dry 5min, namely formed one deck stearic acid film at the cupronickel B 30 surface self-organization, namely get a kind of cupronickel B 30 with super hydrophobic surface.
Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 d are respectively the surface topography of surface under amplifying 3000 times, 1000 times, 500 times, 100 times of the cupronickel B 30 with super hydrophobic surface of above-mentioned gained.Can find out that from Fig. 3 a, Fig. 3 b, Fig. 3 c and Fig. 3 d the stearic acid molecule is disorderly and unsystematic in the lip-deep assembling of cupronickel B 30, the surface has presented a large amount of petal-shaped microstructures.
Embodiment 4
A kind of preparation method with cupronickel B 30 of super hydrophobic surface comprises the steps:
(1), the preparation of etching liquid
Get the 30%wt.H of 13.35ml
2O
2Reagent adds the hydrochloric acid of 1ml35-37wt.% again in the 100ml volumetric flask, the concentration that is mixed with volume and is 100ml is the hydrochloric acid H of 5wt.%
2O
2Solution is etching liquid;
(2), the pre-treatment of cupronickel B 30
2 cupronickel B 30s are distinguished successively after 1#, 3#, the polishing of 6# abrasive paper for metallograph, in acetone solution, clean about 5min with Ultrasonic Cleaners, use successively dehydrated alcohol, deionized water rinsing after the cleaning, to remove surface and oil contaminant and grease, wherein 1 blank cupronickel B 30 of conduct uses again;
(3), chemical etching makes up surfaceness
Pretreated 1 cupronickel B 30 of step (2) is immersed in the etching liquid of step (1) gained, etching 30min under the room temperature, etching both must have the cupronickel B 30 of surfaceness by ultrasonic cleaning 5min after drying up under the room temperature;
(4), at the uneven surface self-assembly super hydrophobic film of cupronickel B 30
The cupronickel B 30 with surfaceness of step (3) gained is put into the stearic ethanolic soln that pre-configured concentration is 0.1mol/L, under temperature is 35 ℃, soak and took out afterwards in 1 day, use first alcohol flushing, again through deionized water rinsing, put into 40 ℃ baking oven, take out behind the dry 5min, namely formed one deck stearic acid film at the cupronickel B 30 surface self-organization, namely get a kind of cupronickel B 30 with super hydrophobic surface.
Water droplet is dropped in respectively on the surface of the cupronickel B 30 with super hydrophobic surface of the surface of blank cupronickel B 30 and above-mentioned gained, measure water droplet contact angle to water on the surface of the cupronickel B 30 with super hydrophobic surface of the surface of blank cupronickel B 30 and above-mentioned gained by surface tension tester (K100-MK2 type, German KRUSS company).The result shows, the contact angle to water on the surface of blank cupronickel B 30 is that the surface of 76 ° of cupronickel B 30s with super hydrophobic surface is 152.8 ° to the contact angle of water.Confirmed thus, because the surface of the cupronickel B 30 with super hydrophobic surface of embodiment 3 gained has the petal-shaped microstructure, and the space between these petal-shaped microstructures can catch air, so that the surface of cupronickel B 30 has become super-hydrophobic state from the hydrophily of blank.
Above said content only is the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (4)
1. the cupronickel B 30 with super hydrophobic surface is characterized in that described cupronickel B 30 with super hydrophobic surface, namely at first is the hydrochloric acid H of 5wt.% by concentration
2O
2Solution carries out simple chemical etching method on pretreated cupronickel B 30 surface, and then becomes one deck stearic acid film by self-assembling technique in the cupronickel B 30 surface-assembled behind chemical etching.
2. a kind of cupronickel B 30 with super hydrophobic surface as claimed in claim 1, it is characterized in that described pretreated cupronickel B 30, be about to copper-nickel alloy successively after 1#, 3#, the polishing of 6# abrasive paper for metallograph, in acetone solution, clean about 5min with Ultrasonic Cleaners, use successively again dehydrated alcohol, deionized water rinsing after the cleaning, to remove surface and oil contaminant and grease.
3. a kind of cupronickel B 30 with super hydrophobic surface as claimed in claim 1 is characterized in that described cupronickel B 30 with super hydrophobic surface, and its super hydrophobic surface is 152.8 ° to the contact angle of water.
4. such as claim 1,2 or 3 described a kind of preparation methods with cupronickel B 30 of super hydrophobic surface, it is characterized in that specifically comprising the steps:
(1), the preparation of etching liquid
The hydrochloric acid of the 35%-37wt.% of 1ml is joined 30%wt.H
2O
2In, being mixed with concentration is the hydrochloric acid H of 5wt.%
2O
2Solution, i.e. etching liquid;
(2), the pre-treatment of cupronickel B 30
Copper-nickel alloy successively after the polishing of 1#, 3#, 6# abrasive paper for metallograph, is cleaned about 5min with Ultrasonic Cleaners in acetone solution, use successively again dehydrated alcohol, deionized water rinsing after the cleaning, to remove surface and oil contaminant and grease;
(3), chemical etching makes up surfaceness
The pretreated cupronickel B 30 of step (2) is immersed in the etching liquid of step (1) gained, etching 30min under the room temperature, etching dries up under the room temperature by ultrasonic cleaning 5min, after both must have surfaceness cupronickel B 30;
(4), at copper-nickel alloy uneven surface self-assembly super hydrophobic film
The cupronickel B 30 with surfaceness of step (3) gained is put into the stearic ethanolic soln that pre-configured concentration is 0.1mol/L, took out afterwards in 1 day 35 ℃ of lower immersions, use first alcohol flushing, again through deionized water rinsing, put into 40 ℃ baking oven, take out behind the dry 5min, namely formed one deck stearic acid film at the cupronickel B 30 surface self-organization, namely get the cupronickel B 30 with super hydrophobic surface.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952712A (en) * | 2014-04-30 | 2014-07-30 | 上海电力学院 | Preparation method of super-hydrophobic surface of pure copper with corrosion resisting property |
| CN105734569A (en) * | 2016-03-14 | 2016-07-06 | 上海电力学院 | Preparation method of cupronickel super-hydrophobic surface with corrosion resistance |
| CN106048611A (en) * | 2016-08-19 | 2016-10-26 | 青岛理工大学 | Copper or copper alloy hydrophobic surface preparation method |
| CN110694875A (en) * | 2019-11-15 | 2020-01-17 | 南京理工大学 | Method for obtaining super-hydrophobic surface of stepped layered structure |
| CN110791125A (en) * | 2018-08-02 | 2020-02-14 | 南京理工大学 | Preparation method of super-hydrophobic anti-icing material |
| CN115161640A (en) * | 2022-06-29 | 2022-10-11 | 中科南京绿色制造产业创新研究院 | Copper-based super-hydrophobic coating and batch production process method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259087A (en) * | 2011-07-20 | 2011-11-30 | 上海电力学院 | Method for preparing anticorrosion superhydrophobic surface of brass |
| CN102268662A (en) * | 2011-08-08 | 2011-12-07 | 上海电力学院 | Method for preparing cupronickel B30 with corrosion inhibiting performance and super-hydrophobic surface |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102259087A (en) * | 2011-07-20 | 2011-11-30 | 上海电力学院 | Method for preparing anticorrosion superhydrophobic surface of brass |
| CN102268662A (en) * | 2011-08-08 | 2011-12-07 | 上海电力学院 | Method for preparing cupronickel B30 with corrosion inhibiting performance and super-hydrophobic surface |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952712A (en) * | 2014-04-30 | 2014-07-30 | 上海电力学院 | Preparation method of super-hydrophobic surface of pure copper with corrosion resisting property |
| CN103952712B (en) * | 2014-04-30 | 2016-06-08 | 上海电力学院 | A kind of preparation method of the fine copper super hydrophobic surface with corrosion resisting property |
| CN105734569A (en) * | 2016-03-14 | 2016-07-06 | 上海电力学院 | Preparation method of cupronickel super-hydrophobic surface with corrosion resistance |
| CN106048611A (en) * | 2016-08-19 | 2016-10-26 | 青岛理工大学 | Copper or copper alloy hydrophobic surface preparation method |
| CN110791125A (en) * | 2018-08-02 | 2020-02-14 | 南京理工大学 | Preparation method of super-hydrophobic anti-icing material |
| CN110694875A (en) * | 2019-11-15 | 2020-01-17 | 南京理工大学 | Method for obtaining super-hydrophobic surface of stepped layered structure |
| CN115161640A (en) * | 2022-06-29 | 2022-10-11 | 中科南京绿色制造产业创新研究院 | Copper-based super-hydrophobic coating and batch production process method and application thereof |
| CN115161640B (en) * | 2022-06-29 | 2023-09-12 | 中科南京绿色制造产业创新研究院 | Copper-based super-hydrophobic coating and batch production process method and application thereof |
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Application publication date: 20130501 |