阅读说明：本技术 具有超疏水微纳米表面结构的宽幅金属模板的制造方法 (Manufacturing method of wide metal template with super-hydrophobic micro-nano surface structure ) 是由 李国柱 于 2019-09-24 设计创作，主要内容包括：本发明公开了一种具有超疏水微纳米表面结构的金属模板的制造方法,包括如下步骤：步骤一、选择玻璃基板,所述玻璃基板至少一侧面上具有超疏水微纳米表面结构,利用蒸馏水对玻璃基板进行清洗；步骤二、通过化学镀方法在玻璃基板上进行化学镀并在玻璃基板的具有超疏水微纳米表面结构的侧面上形成金属镀层；步骤三、采用电镀方法对已被化学镀方法处理过的玻璃基板进行电镀,从而加厚金属镀层；步骤四、电镀结束之后脱模,并对金属镀层进行清洗；步骤五、对清洗之后的金属镀层进行钝化处理,该方法通过玻璃基板高效地制造具有大面积的超疏水微纳米表面结构的金属模板。(The invention discloses a method for manufacturing a metal template with a super-hydrophobic micro-nano surface structure, which comprises the following steps: selecting a glass substrate, wherein at least one side surface of the glass substrate is provided with a super-hydrophobic micro-nano surface structure, and cleaning the glass substrate by using distilled water; step two, carrying out chemical plating on the glass substrate by a chemical plating method and forming a metal coating on the side surface of the glass substrate with the super-hydrophobic micro-nano surface structure; electroplating the glass substrate treated by the chemical plating method by adopting an electroplating method, thereby thickening the metal plating layer; step four, demolding after the electroplating is finished, and cleaning the metal coating; and fifthly, passivating the cleaned metal coating, and efficiently manufacturing the metal template with the large-area super-hydrophobic micro-nano surface structure through the glass substrate.)

1. A manufacturing method of a metal template with a super-hydrophobic micro-nano surface structure is characterized by comprising the following steps:

selecting a glass substrate, wherein at least one side surface of the glass substrate is provided with a super-hydrophobic micro-nano surface structure, and cleaning the glass substrate by using distilled water;

secondly, carrying out chemical plating on the glass substrate by a chemical plating method and forming a metal coating on the side surface of the glass substrate with the super-hydrophobic micro-nano surface structure, wherein the glass substrate and the metal coating are tightly combined to re-etch the super-hydrophobic micro-nano surface structure on the side surface of the glass substrate onto the metal coating;

electroplating the glass substrate treated by the chemical plating method by adopting an electroplating method, thereby thickening the metal plating layer;

step four, demolding after the electroplating is finished, namely separating the glass substrate from the electroplated metal coating and cleaning the metal coating;

and step five, passivating the cleaned metal coating.

2. The method for manufacturing a metal template with a super-hydrophobic micro-nano surface structure according to claim 1, wherein in the second step, the chemical plating method is a chemical silver plating method, the basic chemical process of the method is a chemical reaction for reducing silver by invert sugar, and the reaction formula is as follows:

C₆H₁₂O₆+2[Ag(NH₃)₂]OH＝C5H₁₁O₅COONH₄+3NH₃+2Ag↓+H₂O；

the chemical silver plating method comprises the following steps: the method comprises the following steps of firstly, sensitizing the surface of a glass substrate by a sensitizer; in the second step, the deposition of silver is achieved by immersion in a bath.

3. The method of claim 2, wherein the sensitizer is stannous chloride solution.

4. The method for manufacturing the metal template with the superhydrophobic micro-nano surface structure according to claim 2, wherein in the third step, nickel is plated on the metal plating layer by an electroplating method.

5. The method for manufacturing a metal template with a super-hydrophobic micro-nano surface structure according to claim 2, wherein in the fourth step, the metal coating after being demolded is trimmed, and edges with poor re-etching rate are removed, so as to improve the re-etching yield of the metal coating.

Technical Field

The invention belongs to the technical field of mold manufacturing, and particularly relates to a manufacturing method of a metal template with a super-hydrophobic micro-nano surface structure.

Background

Scientists have studied various super-hydrophobic micro-nano materials in the inspired of a plurality of super-hydrophobic phenomena in the nature such as lotus leaves and the like for many years, and the super-hydrophobic micro-nano materials are sprayed on the surface of a film substrate, so that a coating with a super-hydrophobic micro-nano surface structure is formed on the surface of the film, and the super-hydrophobic micro-nano surface structure has good hydrophobic self-cleaning, anti-pollution, heat resistance, acid and alkali resistance and other properties.

Disclosure of Invention

The invention aims to solve the technical problems that the method for manufacturing the metal template with the super-hydrophobic micro-nano surface structure is provided, the aim of large-scale industrial production of the film base material is realized based on the metal template, and the defects of the film base material in the aspects of wear resistance and aging resistance, low production efficiency and pollution caused by the super-hydrophobic micro-nano material surface spraying process are solved.

In order to achieve the purpose, the invention adopts the technical scheme that:

a manufacturing method of a metal template with a super-hydrophobic micro-nano surface structure comprises the following steps:

selecting a glass substrate, wherein at least one side surface of the glass substrate is provided with a super-hydrophobic micro-nano surface structure, and cleaning the glass substrate by using distilled water;

secondly, carrying out chemical plating on the glass substrate by a chemical plating method and forming a metal coating on the side surface of the glass substrate with the super-hydrophobic micro-nano surface structure, wherein the glass substrate and the metal coating are tightly combined to re-etch the super-hydrophobic micro-nano surface structure on the side surface of the glass substrate onto the metal coating;

electroplating the glass substrate treated by the chemical plating method by adopting an electroplating method, thereby thickening the metal plating layer;

step four, demolding after the electroplating is finished, namely separating the glass substrate from the electroplated metal coating and cleaning the metal coating;

and step five, passivating the cleaned metal coating.

The method can efficiently realize the manufacturing of large-area metal templates through the glass substrate, thereby manufacturing large-area film substrates with the super-hydrophobic micro-nano surface structures.

Further, in the second step, the chemical plating method is a chemical silver plating method, the basic chemical process of the chemical silver plating method is a chemical reaction for reducing silver by invert sugar, and the reaction formula is shown as follows:

C₆H₁₂O₆+2[Ag(NH₃)₂]OH＝C5H₁₁O₅COONH₄+3NH₃+2Ag↓+H₂O；

the chemical silver plating method comprises the following steps: the method comprises the following steps of firstly, sensitizing the surface of a glass substrate by a sensitizer; in the second step, the deposition of silver is achieved by immersion in a bath. The plated surface of the glass substrate is adsorbed with a layer of metal ions which are easy to oxidize through sensitization treatment, so that the rapid and uniform deposition of metal silver can be initiated, and the bonding strength of the glass substrate and the plating layer is increased.

Further, the sensitizer is stannous chloride solution.

Further, in the third step, nickel is plated on the metal plating layer by an electroplating method. The nickel alloy has good properties in both hardness and chemical stability.

Further, in the fourth step, the edges of the metal coating after demolding are removed, and the edges with poor repeated etching rate are removed, so that the repeated etching yield of the metal coating is improved.

Compared with the prior art, the invention has the beneficial effects that: the metal template with the large-area super-hydrophobic micro-nano surface structure is efficiently manufactured through the glass substrate, and the micro-nano physical structure on the surface of the metal template is repeatedly etched on the film substrate.

Drawings

FIG. 1 shows a combination structure of a glass substrate and a metal plating layer after electroplating;

fig. 2 shows a process of releasing the glass substrate and the metal plating layer.

In the figure, 1, a glass substrate; 2. and (5) plating a metal layer.

Detailed Description

The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are merely preferred embodiments of the present invention, rather than all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.