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Principle, function and advantages of plasma treatment before screen printing

Views: 0     Author: Site Editor     Publish Time: 2023-09-02      Origin: Site

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Filament printing is a printing technology widely used in industrial production, which can print patterns or words on the surface of various materials, such as glass, metal, plastic, etc., which has the advantages of good printing effect, high accuracy, fast and low cost. However, the printing effect and stability of screen printing greatly depend on the properties and treatment method of the material surface, so it is very important to conduct proper surface treatment before screen printing. Among them, screen printing before plasma treatment is a common surface treatment method, which can increase the adhesion, wettability and corrosion resistance of the material surface, thus improving the accuracy and stability of screen printing. This paper will introduce the principle, function and advantages of plasma treatment before screen printing in detail.

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ONE: The principle of the preseal plasma treatment is to use the excitation and dissociation of the plasma in the high-energy electric field to change the chemical properties and morphological structure of the material surface. Plasma is a high-energy ionized gas that can be excited and dissociated in high-energy electric fields, producing various chemical reactions. The main processes of plasma processing include ionization, electron collision, electron composite, free radical reaction, ion reaction, etc. Among them, the free radical reactions and ion reactions are the main reaction processes of plasma treatment. Plasma treatment can be performed at room temperature without additional heating or cooling, and thus can protect the surface of the material from heat or cooling. Plasma treatment can remove the oil, dust, dirt and other impurities on the surface of the material, making the surface become cleaner, so as to ensure the quality and stability of the screen printing. Plasma treatment can also increase the wettability and adhesion of the material surface, making the screen mark ink better attached to the material surface. In addition, plasma treatment can also change the chemical properties and morphological structure of the material surface, forming a dense layer of dense oxide or organic polymer film, thus increasing the corrosion resistance and wear resistance of the surface.

TWO :Plasma treatment before screen printing has the following main functions: 

1. Clean the surface: the plasma can remove the oil, dust, dirt and other impurities on the surface of the material, to ensure the quality and stability of screen printing.

2, improve the surface energy: the plasma can increase the wettability and adhesion of the surface, so that the screen printing ink is better attached to the surface of the material.

3, improve the surface properties: plasma can make the surface chemical reaction, forming a layer of organic polymer film or oxide film, so as to increase the corrosion resistance and wear resistance of the surface.


Specifically,: 

1, cleaning the surface of the surface material impurities is one of the common problems in screen printing, they will reduce the quality and stability of screen printing, especially for products with high precision requirements. Plasma treatment can remove the oil, dust, dirt and other impurities on the surface of the material, making the surface become cleaner, so as to ensure the quality and stability of the screen printing. In addition, the plasma treatment can also remove the surface oxide and make the surface more smooth.

2. Improving the wettability and adhesion of surface energy materials is an important factor affecting the quality of screen printing. Plasma treatment can increase the wettability and adhesion of the material surface, making the screen mark ink better attached to the material surface. Plasma treatment can form a layer of chemical bond structure to increase the surface energy, thus improving the wettability and adhesion.

3, improve surface properties 

Plasmon treatment can change the chemical properties and morphological structure of the material surface, form a dense layer of dense oxide or organic polymer film, so as to increase the corrosion resistance and wear resistance of the surface. This membrane can prevent the erosion and damage of the material surface by external chemicals, humidity, temperature and other factors.

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THREE:Plasma treatment has the following main advantages: 

1, environmental protection gold lai plasma treatment does not need the use of harmful chemicals, will not produce secondary pollution, meet the requirements of environmental protection. Plasma treatment can be performed at room temperature without additional heating or cooling, and thus can protect the surface of the material from heat or cooling.

2. Efficient plasma treatment can be completed in a very short time without affecting the production efficiency. Plasma processing can be done in seconds to minutes, depending on the size, shape, and surface properties of the material treated.

3, multifunctional plasma treatment can change the chemical properties and morphological structure of the material surface, and can be customized according to different needs. Plasma treatment can achieve various surface modifications, such as cleaning, improving wettability, increasing surface energy, increasing adhesion, improving wear resistance, increasing corrosion resistance, etc.

4. Low cost plasma treatment does not require additional equipment and materials, and the cost is relatively low. Plasma treatment does not require the use of harmful chemicals, will not produce secondary pollution, and can greatly reduce the production cost.


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