CN110257867A - A kind of super-hydrophobic coating of Ni-Co/Cu and preparation method thereof - Google Patents

A kind of super-hydrophobic coating of Ni-Co/Cu and preparation method thereof Download PDF

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CN110257867A
CN110257867A CN201910482119.XA CN201910482119A CN110257867A CN 110257867 A CN110257867 A CN 110257867A CN 201910482119 A CN201910482119 A CN 201910482119A CN 110257867 A CN110257867 A CN 110257867A
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coating
super
solution
preparation
hydrophobic
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CN110257867B (en
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林志峰
张伟
许立坤
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725th Research Institute of CSIC
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725th Research Institute of CSIC
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    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/38Electroplating: Baths therefor from solutions of copper
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/56Electroplating: Baths therefor from solutions of alloys
    • C25D3/562Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10Electroplating with more than one layer of the same or of different metals
    • C25D5/12Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48After-treatment of electroplated surfaces

Abstract

The present invention provides a kind of super-hydrophobic coating of Ni-Co/Cu and preparation method thereof, belongs to electrodeposited composite coatings field.The coating includes metallic matrix, the Ni-Co coating for being plated in metal base surface, is plated in the copper coating of Ni-Co coating surface, after copper coating is oxidized to dendritic morphology, in its surface modification low-surface energy substance.Preparation method are as follows: first prepare nickel cobalt coating in metal base surface;Then nickel cobalt coating is surface-treated, then plates one layer of copper coating on its surface, composite deposite is put into prepared oxidation solution, certain time is impregnated, after taking-up, is dried up with cold wind;Carry out low-surface-energy modification again finally to get Ni-Co/Cu composite deposite.The present invention can effectively improve the protection effect of Ni-Co coating, when the corrosive mediums such as water reach coating surface, due to the presence of surface water-repellent layer, so that corrosive medium is difficult to enter inside coating, to improve the anti-corrosion effect of coating, in the protection service life for extending coating, new thinking is provided to prepare novel metal composite deposite.

Description

A kind of super-hydrophobic coating of Ni-Co/Cu and preparation method thereof
Technical field
The present invention relates to electrodeposited composite coatings field, the preparation and application of specifically a kind of super-hydrophobic coating of Ni-Co/Cu Method.
Background technique
Metal and its alloy painting/coating have preferable physics, chemistry and mechanical performance, as higher hardness, wearability and Corrosion resistance etc., so being widely used in the surface treatment of steel.Nickel cobalt (Ni-Co) alloy coat has higher corrosion resistance Energy, hardness and good wearability, are widely used in the fields such as electronics and opto-electronic device, chemical industry.
However when nickel cobalt coating is applied to the operating condition of the bad environments such as marine environment, it is easy to lose protective Energy.Therefore the protection service life for improving nickel cobalt coating is one of hot spot of current research.If any researcher by adding in the plating solution Other elements are prepared into ternary or multi-element composite coating (such as Ni-Co-Cr ternary alloy coating, Ni-Co-Fe-P quaternary alloy plating Layer etc.), or add micro-and nano-particles and prepare micro-nano composite deposite (Ni-Co/Al2O3Composite deposite, Ni-Co/SiO2Composite Coatings Layer, Ni-Co/WC nano-composite plate etc.).These coating can preferably improve Ni-Co coating hardness, wear-resisting property etc., but For the raising limitation of anti-corrosion life.
Summary of the invention
Technical assignment of the invention is that perishable failure is not under harsh operating condition for existing Ni-Co corrosion resistance of coating Foot provides a kind of super-hydrophobic coating of Ni-Co/Cu and preparation method thereof.
The technical solution adopted by the present invention to solve the technical problems is:
1, the present invention provides a kind of super-hydrophobic coating of Ni-Co/Cu, including metallic matrix, is plated in the Ni- of the metal base surface Co coating is plated in the copper coating of the Ni-Co coating surface, after the copper coating is oxidized to dendritic morphology, repairs on its surface Low-surface energy substance is adornd, to obtain the super-hydrophobic super-hydrophobic coating of plating of Ni-Co/Cu.
2, the present invention separately provides a kind of preparation method of super-hydrophobic coating of Ni-Co/Cu, and this method is first in Metal Substrate body surface Then wheat flour is surface-treated Ni-Co coating for Ni-Co coating, plate one layer of copper coating on its surface, composite deposite is put Enter in configured oxidation solution, impregnates the regular hour, after taking-up, dried up with cold wind, finally carry out low-surface-energy modification again, i.e., Obtain Ni-Co/Cu composite deposite.
Specifically include that steps are as follows:
1) metallic matrix is dried up after sand paper polishing, acetone and ethyl alcohol rinse, is put into Ni-Co plating solution, using constant current Method prepares Ni-Co coating in metal base surface;
2) metallic matrix with Ni-Co coating is put into dilute hydrochloric acid solution, is soaked for a period of time, HCl treatment can remove The loose coating particle in surface, while it being capable of increasing the roughness on surface, to improve final gained Ni-Co/Cu copper coating Then roughness uses ultrapure water and ethyl alcohol rinse, dry up spare;
3) the above-mentioned coating sample prepared is put into Cu plating solution, copper coating is prepared under the conditions of constant potential, form Ni-Co/ Cu composite deposite;
4) Ni-Co/Cu composite deposite is put into oxidation solution, impregnates the regular hour, is oxidized to copper coating coarse Cu(OH)2Dendritic morphology, this is one of the committed step for preparing super-hydrophobic coating, and ultrapure water rinse, drying are used after taking-up;
5) the Ni-Co/Cu coating after oxidation is put into lauryl mercaptan solution, impregnates the regular hour, carries out low surface It can modify to get the super-hydrophobic coating of Ni-Co/Cu.
As the present invention it is further preferred that the metal matrix material is carbon steel.
As the present invention it is further preferred that being comprised the following steps that when Ni-Co plating solution configures in the step 1)
1.1) 10 ~ 30 g NiSO are weighed4·6H2O、2~10 g CoSO4·7H2O and 1 ~ 6 g NiCl2·6H2O is put into 200 mL In beaker, 100 mL deionized waters are then added, dissolution is sufficiently stirred, main salt solution is made;
1.2) 1 ~ 5 g H is weighed3BO3, it is put into 50 mL beakers, 25 mL deionized waters is added, heat up to boiling, maintenance 3 ~ 5 min;
1.3) finally by H3BO3Solution is slowly dropped in main salt solution.
As the present invention it is further preferred that the preparation parameter of Ni-Co coating is as follows in the step 1): current density is 10~80 mA/cm2, electrodeposition time is 20 ~ 50 min, and plating pH is 3 ~ 5, and electrodeposition temperature is 40 ~ 60 DEG C, and stirring rate is 300 rpm/min, the spacing between anode and cathode are 3 cm.
As the present invention it is further preferred that comprising the following steps that and weighing when Cu plating solution configures in the step 3) CuCl2·2H23 ~ 10 g of O is added in 100 mL deionized waters, dissolution is sufficiently stirred, then weighs 2 ~ 10 g Na again2SO4, It is added in above-mentioned solution, stirring and dissolving.
As the present invention it is further preferred that the preparation parameter of Ni-Co/Cu composite deposite is as follows in the step 3): heavy The product time is 10 ~ 40 min, and voltage is -0.1 ~ -0.5 V/cm2, stirring rate is 300 rpm/min, and the distance of anode and cathode is 3 cm。
As the present invention it is further preferred that in the step 4) to Ni-Co/Cu composite deposite oxidation processes when: by Ni- Co/Cu coating is put into ammonium persulfate oxidation solution, impregnates 30 min, wherein ammonium persulfate solution configuration step is as follows: weighing 11 g of NaOH and excessively H8N2O8S2200 mL of deionized water is added in 2.5 g, after dissolution is sufficiently stirred.
As the present invention it is further preferred that in the step 5) low-surface-energy modification refer to: lauryl mercaptan is taken 10 ml are put into vial, and sample is suspended in vial, are put into insulating box, and temperature 60 C is arranged, and maintain 60 min, system Standby Ni-Co/Cu coating super-hydrophobic out, wherein the configuration step of modification solution is as follows: 5 ~ 10 g lauryl mercaptans are added to In the ethyl alcohol of 100mL, it is sufficiently stirred and makes it dissolve.
Super-hydrophobic coating of a kind of Ni-Co/Cu of the invention and preparation method thereof is generated beneficial compared with prior art Effect is:
This method prepares nickel cobalt coating in metal base surface first;Then nickel cobalt coating is surface-treated, then in its table One layer of copper coating is plated in face, and composite deposite is put into prepared oxidation solution, impregnates the regular hour, after taking-up, is blown with cold wind It is dry;Carry out low-surface-energy modification again finally to get Ni-Co/Cu composite deposite.The present invention can effectively improve the anti-of Ni-Co coating Effect is protected, when the corrosive mediums such as water reach coating surface, due to the presence of surface water-repellent layer, so that corrosive medium is difficult to enter Inside coating, to improve the anti-corrosion effect of coating, extends the protection service life of coating, mentioned to prepare novel metal composite deposite New thinking is supplied.
Detailed description of the invention
Attached drawing 1 is the SEM figure (a carbon steel, b Ni-Co coating) of 1 carbon steel of embodiment and Ni-Co coating;
Attached drawing 2 is Ni-Co/Cu coating (the oxidized Ni-Co/Cu plating of a after the oxidation of embodiment 1 and low-surface-energy modification Layer, b is through low-surface energy substance treated Ni-Co/Cu coating);
Attached drawing 3 is contact angle (a Ni-Co of embodiment 1Ni-Co coating, Ni-Co/Cu coating and the super-hydrophobic coating of Ni-Co/Cu Coating contact angle, b Ni-Co/Cu coating contact angle, treated that Ni-Co/Cu coating connects through oxidation and low-surface energy substance by c Feeler);
Attached drawing 4 is the polarization curve of 1 carbon steel of embodiment, Ni-Co coating and the super-hydrophobic coating of Ni-Co/Cu.
Specific embodiment
With reference to the accompanying drawing 1, super-hydrophobic coating of a kind of Ni-Co/Cu of the invention and preparation method thereof is made in detailed below Explanation.
The present invention provides a kind of super-hydrophobic coating of Ni-Co/Cu, including metallic matrix, is plated in the metal base surface Ni-Co coating is plated in the copper coating of the Ni-Co coating surface, after the copper coating is oxidized to dendritic morphology, on its surface Low-surface energy substance is modified, to obtain the super-hydrophobic super-hydrophobic coating of plating of Ni-Co/Cu.
This method first metal base surface prepare Ni-Co coating, then to Ni-Co coating in dilute hydrochloric acid solution into Row surface treatment, HCl treatment can remove surface loose metal particles, while be capable of increasing the roughness on surface, to improve The roughness of final gained Ni-Co/Cu copper coating.One layer of copper coating is plated in Ni-Co coating surface after the completion of processing, by Composite Coatings Layer is put into configured oxidation solution, is aoxidized, the Cu coating on surface is made to be oxidized to coarse Cu (OH)2Dendritic morphology, This is one of the committed step for preparing super-hydrophobic coating, finally carries out low-surface-energy modification again, is adsorbed onto hydrophobic molecule and only fills The surface of structure is to get Ni-Co/Cu composite deposite.Specifically include that steps are as follows:
1) metallic matrix is dried up after sand paper polishing, acetone and ethyl alcohol rinse, is put into Ni-Co plating solution, using constant current Method prepares Ni-Co coating in metal base surface;
2) metallic matrix with Ni-Co coating is put into dilute hydrochloric acid solution, is soaked for a period of time, HCl treatment can remove The loose coating particle in surface, while it being capable of increasing the roughness on surface, to improve final gained Ni-Co/Cu copper coating Then roughness uses ultrapure water and ethyl alcohol rinse, dry up spare;
3) the above-mentioned coating sample prepared is put into Cu plating solution, copper coating is prepared under the conditions of constant potential, form Ni-Co/ Cu composite deposite;
4) Ni-Co/Cu composite deposite is put into oxidation solution, impregnates the regular hour, is oxidized to copper coating coarse Cu(OH)2Dendritic morphology, this is one of the committed step for preparing super-hydrophobic coating, and ultrapure water rinse, drying are used after taking-up;
5) the Ni-Co/Cu coating after oxidation is put into lauryl mercaptan solution, impregnates the regular hour, carries out low surface It can modify to get the super-hydrophobic coating of Ni-Co/Cu.
Embodiment 1
The super-hydrophobic coating of a kind of Ni-Co/Cu of the invention, preparation method comprise the following steps that
1, basis material is Q235 carbon steel, cuts and is encapsulated with epoxy resin, makes 1 cm of its work area2, matrix is used The polishing of 2000# sand paper removes surface corrosion product, then is cleaned with acetone and ethyl alcohol, spare after drying.
2,20 g NiSO the configuration of Ni-Co plating solution: are weighed4·6H2O、5 g CoSO4·7H2O and 3 g NiCl2·6H2O It is put into 200 mL beakers, 100 mL deionized waters is then added, dissolution is sufficiently stirred.Weigh 3 g H3BO3, it is put into 50 mL burning In cup, 25 mL deionized waters are added, heating is until boil, 4 min of maintenance.Finally by H3BO3It is molten that solution is slowly dropped to main salt In liquid.
3, the configuration of Cu plating solution: CuCl is weighed2·2H25 g of O is added in 100 mL deionized waters, dissolution is sufficiently stirred, Then 5 g Na are weighed again2SO4, it is added in above-mentioned solution, stirring and dissolving.
4, the preparation parameter of Ni-Co coating: current density is 40 mA/cm2, electrodeposition time is 30 min, and plating pH is 4, electrodeposition temperature is 50 DEG C, and stirring rate is 300 rpm/min, and the spacing between anode and cathode is 3 cm.Ni-Co plating obtained Layer surface SEM is as shown in Figure 1.
5, the preparation parameter of Ni-Co/Cu coating: sedimentation time is 30 min, and voltage is -0.2 V/cm2, stirring rate is 300 rpm/min, the distance of anode and cathode are 3 cm.
6, the oxidation processes of Ni-Co/Cu coating: Ni-Co/Cu coating is put into oxidation solution, 30 min(solution are impregnated Configuration: weigh 11 g of NaOH and cross H8N2O8S2200 mL of deionized water is added in 2.5 g, after dissolution is sufficiently stirred).
7, low-surface-energy is modified: taking 10 ml to be put into vial lauryl mercaptan, sample is suspended on vial It is interior, it is put into insulating box, temperature 60 C is set, maintains 60 min, super-hydrophobic Ni-Co/Cu coating is prepared and (modifies matching for solution It sets: 7g lauryl mercaptan being added in the ethyl alcohol of 100mL, is sufficiently stirred and makes it dissolve).
Obtained super-hydrophobic Ni-Co/Cu coating is as shown in Fig. 2, form branch in matrix surface after aoxidizing as shown in Figure 2 Shape structure.Contact angle test (Fig. 3) shows that coating has good ultra-hydrophobicity, and contact angle can reach 158o.Therefore work as When the coating is dipped into the corrosive mediums such as seawater, the super-hydrophobic layer on surface is capable of the entrance of the corrosive mediums such as shield water, thus The protection effect of Ni-Co coating greatly improved.Polarization curve test (Fig. 4) shows that coating has good corrosion resisting property.
Embodiment 2
The super-hydrophobic coating of a kind of Ni-Co/Cu of the invention, preparation method comprise the following steps that
1, basis material is Q255 carbon steel, cuts and is encapsulated with epoxy resin, makes 1 cm2 of its work area, matrix is used The polishing of 2000# sand paper removes surface corrosion product, then is cleaned with acetone and ethyl alcohol, spare after drying.
2,10 g NiSO the configuration of Ni-Co plating solution: are weighed4·6H2O、2 g CoSO4·7H2O and 1 g NiCl2·6H2O It is put into 200 mL beakers, 100 mL deionized waters is then added, dissolution is sufficiently stirred.Weigh 1 g H3BO3, it is put into 50 mL burning In cup, 25 mL deionized waters are added, heating is until boil, 3 min of maintenance.Finally by H3BO3It is molten that solution is slowly dropped to main salt In liquid.
3, the configuration of Cu plating solution: CuCl is weighed2·2H23 g of O is added in 100 mL deionized waters, dissolution is sufficiently stirred, Then 2 g Na are weighed again2SO4, it is added in above-mentioned solution, stirring and dissolving.
4, the preparation parameter of Ni-Co coating: current density is 10 mA/cm2, electrodeposition time is 20 min, and plating pH is 3, electrodeposition temperature is 40 DEG C, and stirring rate is 300 rpm/min, and the spacing between anode and cathode is 3 cm.
5, the preparation parameter of Ni-Co/Cu coating: sedimentation time is 10 min, and voltage is -0.1 V/cm2, stirring rate is 300 rpm/min, the distance of anode and cathode are 3 cm.
6, the oxidation processes of Ni-Co/Cu coating: Ni-Co/Cu coating is put into oxidation solution, 30 min(solution are impregnated Configuration: weigh 11 g of NaOH and cross H8N2O8S2200 mL of deionized water is added in 2.5 g, after dissolution is sufficiently stirred).
7, low-surface-energy is modified: taking 10 ml to be put into vial lauryl mercaptan, sample is suspended on vial It is interior, it is put into insulating box, temperature 60 C is set, maintains 60 min, super-hydrophobic Ni-Co/Cu coating is prepared and (modifies matching for solution It sets: 5 g lauryl mercaptans being added in the ethyl alcohol of 100mL, is sufficiently stirred and makes it dissolve).
Embodiment 3
The super-hydrophobic coating of a kind of Ni-Co/Cu of the invention, preparation method comprise the following steps that
1, basis material is Q275 carbon steel, cuts and is encapsulated with epoxy resin, makes 1 cm2 of its work area, matrix is used The polishing of 2000# sand paper removes surface corrosion product, then is cleaned with acetone and ethyl alcohol, spare after drying.
2,15 g NiSO the configuration of Ni-Co plating solution: are weighed4·6H2O、4 g CoSO4·7H2O and 2 g NiCl2·6H2O It is put into 200 mL beakers, 100 mL deionized waters is then added, dissolution is sufficiently stirred.Weigh 4 g H3BO3, it is put into 50 mL burning In cup, 25 mL deionized waters are added, heating is until boil, 4 min of maintenance.Finally by H3BO3It is molten that solution is slowly dropped to main salt In liquid.
3, the configuration of Cu plating solution: CuCl is weighed2·2H24 g of O is added in 100 mL deionized waters, dissolution is sufficiently stirred, Then 7g Na is weighed again2SO4, it is added in above-mentioned solution, stirring and dissolving.
4, the preparation parameter of Ni-Co coating: current density is 30 mA/cm2, electrodeposition time is 40 min, and plating pH is 5, electrodeposition temperature is 45 DEG C, and stirring rate is 300 rpm/min, and the spacing between anode and cathode is 3 cm.
5, the preparation parameter of Ni-Co/Cu coating: sedimentation time is 20 min, and voltage is -0.3 V/cm2, stirring rate is 300 rpm/min, the distance of anode and cathode are 3 cm.
6, the oxidation processes of Ni-Co/Cu coating: Ni-Co/Cu coating is put into oxidation solution, 30 min(solution are impregnated Configuration: weigh 11 g of NaOH and cross H8N2O8S2200 mL of deionized water is added in 2.5 g, after dissolution is sufficiently stirred).
7, low-surface-energy is modified: taking 10 ml to be put into vial lauryl mercaptan, sample is suspended on vial It is interior, it is put into insulating box, temperature 60 C is set, maintains 60 min, super-hydrophobic Ni-Co/Cu coating is prepared and (modifies matching for solution It sets: 8 g lauryl mercaptans being added in the ethyl alcohol of 100mL, is sufficiently stirred and makes it dissolve).
Embodiment 4
The super-hydrophobic coating of a kind of Ni-Co/Cu of the invention, preparation method comprise the following steps that
1, basis material is Q275 carbon steel, cuts and is encapsulated with epoxy resin, makes 1 cm2 of its work area, matrix is used The polishing of 2000# sand paper removes surface corrosion product, then is cleaned with acetone and ethyl alcohol, spare after drying.
2,30 g NiSO the configuration of Ni-Co plating solution: are weighed4·6H2O、10 g CoSO4·7H2O and 6 g NiCl2· 6H2O is put into 200 mL beakers, and 100 mL deionized waters are then added, dissolution is sufficiently stirred.Weigh 5 g H3BO3, it is put into 50 In mL beaker, 25 mL deionized waters are added, heating is until boil, 5 min of maintenance.Finally by H3BO3Solution is slowly dropped to master In salting liquid.
3, the configuration of Cu plating solution: CuCl is weighed2·2H210 g of O is added in 100 mL deionized waters, dissolution is sufficiently stirred, Then 10 g Na are weighed again2SO4, it is added in above-mentioned solution, stirring and dissolving.
4, the preparation parameter of Ni-Co coating: current density is 80 mA/cm2, electrodeposition time is 50 min, and plating pH is 5, electrodeposition temperature is 60 DEG C, and stirring rate is 300 rpm/min, and the spacing between anode and cathode is 3 cm.
5, the preparation parameter of Ni-Co/Cu coating: sedimentation time is 40 min, and voltage is -0.5 V/cm2, stirring rate is 300 rpm/min, the distance of anode and cathode are 3 cm.
6, the oxidation processes of Ni-Co/Cu coating: Ni-Co/Cu coating is put into oxidation solution, 30 min(solution are impregnated Configuration: weigh 11 g of NaOH and cross H8N2O8S2200 mL of deionized water is added in 2.5 g, after dissolution is sufficiently stirred).
7, low-surface-energy is modified: taking 10 ml to be put into vial lauryl mercaptan, sample is suspended on vial It is interior, it is put into insulating box, temperature 60 C is set, maintains 60 min, super-hydrophobic Ni-Co/Cu coating is prepared and (modifies matching for solution It sets: 10 g lauryl mercaptans being added in the ethyl alcohol of 100mL, is sufficiently stirred and makes it dissolve).
Although the preferred embodiment of the application has been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the application range.
Obviously, those skilled in the art can carry out various modification and variations without departing from the essence of the application to the application Mind and range.In this way, if these modifications and variations of the application belong to the range of the claim of this application and its equivalent technologies Within, then the application is also intended to include these modifications and variations.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.

Claims (10)

1. a kind of super-hydrophobic coating of Ni-Co/Cu, which is characterized in that including metallic matrix, be plated in the metal base surface Ni-Co coating is plated in the copper coating of the Ni-Co coating surface, after the copper coating is oxidized to dendritic morphology, on its surface Low-surface energy substance is modified, to obtain the super-hydrophobic super-hydrophobic coating of plating of Ni-Co/Cu.
2. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu as described in claim 1, which is characterized in that this method is first Ni-Co coating is prepared in metal base surface, then Ni-Co coating is surface-treated, plates one layer of copper coating on its surface, Composite deposite is put into configured oxidation solution, the regular hour is impregnated, after taking-up, is dried up, finally carried out again low with cold wind Surface can be modified to get the super-hydrophobic composite deposite of Ni-Co/Cu.
3. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 2, which is characterized in that described specific It comprises the following steps that
1) metallic matrix is dried up after sand paper polishing, acetone and ethyl alcohol rinse, is put into Ni-Co plating solution, using constant current Method prepares Ni-Co coating in metal base surface;
2) metallic matrix with Ni-Co coating is put into dilute hydrochloric acid solution, is soaked for a period of time, HCl treatment can remove The loose coating particle in surface, while it being capable of increasing the roughness on surface, to improve final gained Ni-Co/Cu copper coating Then roughness uses ultrapure water and ethyl alcohol rinse, dry up spare;
3) the above-mentioned coating sample prepared is put into Cu plating solution, copper coating is prepared under the conditions of constant potential, form Ni-Co/ Cu composite deposite;
4) Ni-Co/Cu composite deposite is put into oxidation solution, impregnates the regular hour, copper coating is made to be oxidized to dendritic knot Structure uses ultrapure water rinse, drying after taking-up;
5) the Ni-Co/Cu coating after oxidation is put into lauryl mercaptan solution, impregnates the regular hour, carries out low surface It can modify to get the super-hydrophobic coating of Ni-Co/Cu.
4. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 3, which is characterized in that the step 1) it when Ni-Co plating solution configures in, comprises the following steps that
1.1) 10 ~ 30 g NiSO are weighed4·6H2O、2~10 g CoSO4·7H2O and 1 ~ 6 g NiCl2·6H2O is put into 200 mL In beaker, 100 mL deionized waters are then added, dissolution is sufficiently stirred, main salt solution is made;
1.2) 1 ~ 5 g H is weighed3BO3, it is put into 50 mL beakers, 25 mL deionized waters is added, heating is until boil, maintenance 3 ~ 5 min;
1.3) finally by H3BO3Solution is slowly dropped in main salt solution.
5. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 3 or 4, which is characterized in that described The preparation parameter of Ni-Co coating is as follows in step 1): current density is 10 ~ 80 mA/cm2, electrodeposition time is 20 ~ 50 min, It is 3 ~ 5 that pH, which is electroplated, and electrodeposition temperature is 40 ~ 60 DEG C, and stirring rate is 300 rpm/min, and the spacing between anode and cathode is 3 cm.
6. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 3 or 4, which is characterized in that described When Cu plating solution configures in step 3), comprises the following steps that and weigh CuCl2·2H23 ~ 10 g of O is added in 100 mL deionized waters, Dissolution is sufficiently stirred, then weighs 2 ~ 10 g Na again2SO4, it is added in above-mentioned solution, stirring and dissolving.
7. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 3 or 4, which is characterized in that described The preparation parameter of Ni-Co/Cu composite deposite is as follows in step 3): sedimentation time is 10 ~ 40 min, and voltage is -0.1 ~ -0.5 V/ cm2, stirring rate is 300 rpm/min, and the distance of anode and cathode is 3 cm.
8. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 3 or 4, which is characterized in that described When in step 4) to Ni-Co/Cu composite deposite oxidation processes: Ni-Co/Cu coating being put into ammonium persulfate oxidation solution, leaching 30 min are steeped, wherein ammonium persulfate solution configuration step is as follows: weighing 11 g of NaOH and crosses H8N2O8S22.5 g, addition go from Sub- 200 mL of water, after dissolution is sufficiently stirred.
9. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 3 or 4, which is characterized in that described Low-surface-energy modification refers in step 5): taking 10 ml to be put into vial lauryl mercaptan, sample is suspended on vial It is interior, it is put into insulating box, temperature 60 C is set, 60 min is maintained, prepares super-hydrophobic Ni-Co/Cu coating, wherein modification solution Configuration step is as follows: 5 ~ 10 g lauryl mercaptans being added in the ethyl alcohol of 100mL, is sufficiently stirred and makes it dissolve.
10. a kind of preparation method of the super-hydrophobic coating of Ni-Co/Cu according to claim 2,3 or 4, which is characterized in that institute Stating metal matrix material is carbon steel.
CN201910482119.XA 2019-06-04 2019-06-04 Ni-Co/Cu super-hydrophobic coating and preparation method thereof Active CN110257867B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101967663A (en) * 2010-08-27 2011-02-09 中国科学院海洋研究所 Method for preparing super-hydrophobic alloy film on surface of metal matrix
CN105648490A (en) * 2016-01-07 2016-06-08 东南大学 Super-hydrophobic surface without modification of low surface energy matter and preparation method thereof
CN106086968A (en) * 2016-07-29 2016-11-09 成都立威讯科技有限公司 A kind of electroplating technology of IGBT molybdenio plate surface-coated noble metal
CN106929894A (en) * 2017-02-20 2017-07-07 东南大学 Emulsion separates the method for preparation and use with super infiltration resistant stainless steel fibre felt
CN106987875A (en) * 2017-03-03 2017-07-28 四川农业大学 A kind of preparation method of super-hydrophobic superoleophobic material
CN107893225A (en) * 2017-10-31 2018-04-10 东南大学 A kind of preparation method and applications of the foam copper with super hydrophobic surface
CN108385139A (en) * 2018-03-18 2018-08-10 启东祥瑞建设有限公司 A method of preparing CuO super-hydrophobic coats in X90 pipeline steel surfaces

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101967663A (en) * 2010-08-27 2011-02-09 中国科学院海洋研究所 Method for preparing super-hydrophobic alloy film on surface of metal matrix
CN105648490A (en) * 2016-01-07 2016-06-08 东南大学 Super-hydrophobic surface without modification of low surface energy matter and preparation method thereof
CN106086968A (en) * 2016-07-29 2016-11-09 成都立威讯科技有限公司 A kind of electroplating technology of IGBT molybdenio plate surface-coated noble metal
CN106929894A (en) * 2017-02-20 2017-07-07 东南大学 Emulsion separates the method for preparation and use with super infiltration resistant stainless steel fibre felt
CN106987875A (en) * 2017-03-03 2017-07-28 四川农业大学 A kind of preparation method of super-hydrophobic superoleophobic material
CN107893225A (en) * 2017-10-31 2018-04-10 东南大学 A kind of preparation method and applications of the foam copper with super hydrophobic surface
CN108385139A (en) * 2018-03-18 2018-08-10 启东祥瑞建设有限公司 A method of preparing CuO super-hydrophobic coats in X90 pipeline steel surfaces

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
庞艺川等: "不同超疏水铜表面的湿法氧化制备及抗冷凝性能", 《高等学校化学学报》 *

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