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Application of plasma surface treatment technology

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07 Dec,2020

Application of plasma surface treatment technology:

 

In many different fields, using the physical and chemical properties of plasma to form a dense layer or functional groups containing oxygen on the surface of materials, so as to change the surface characteristics of materials and improve their surface hydrophilicity and adhesion, has been widely used. Plasma surface treatment has obvious advantages. At present, there are more and more requirements for product treatment in the market, and more and more customized plasma surface treatment machines. The following are some characteristics and applications of plasma surface treatment.

 

Plasma surface treatment is an effective surface cleaning, activation, and coating treatment for a variety of materials, including plastics, metals, or glass. Plasma cleaning machine can clean the surface of the mold release agent, residues, and its activation process, can ensure the quality of subsequent bonding and coating processes, for coating treatment, can further improve the surface characteristics of the complex. By using plasma technology, the surface pretreatment of materials can be carried out efficiently according to different technological requirements.

 

With conventional water-based cold glue can make coated or glazed cardboard in the pasting box machine to get reliable bonding, no need to carry out local laminating, local glazing, surface grinding tangent and other processes, and no need to change different special glue for different cardboard. The use of plasma surface treatment not only improves its applicability to glue, but also eliminates the dependence on special glue to achieve high quality adhesion. At the same time, it can improve the surface spreading performance and prevent the formation of bubbles. Importantly, through plasma treatment, carton manufacturers can obtain products with lower cost, higher efficiency and more guaranteed quality.

 

Plasma processor technology is applied to pretreatment of plastic, aluminum, EPDM strip and other materials. The application of plasma technology in automobile industry is becoming more and more mature. In the extrusion line, plasma pretreatment can be used to pretreat plastic or elastomer materials to make them better able to complete subsequent processes, such as coating or flocking. The role of plasma treatment is to clean and activate the material, and since the plasma beam can be focused specifically on the surface area to be treated, it can effectively handle complex profile structures.

 

The advantages and characteristics of the plasma treatment system are as follows: even if the structure is complex, also can carry out targeted pretreatment, etc.

 

Plasma surface treatment technology can clean aluminum surface conveniently and environmentally. Composite films are often used in beverage or food packaging because of their good barrier properties. Aluminum foil is used in the processing of composite film as a composite barrier layer, it is necessary to add a layer of PE film on the aluminum foil to ensure that the aluminum foil will not be in direct contact with the food in the package. For thin film composite equipment, aluminum foil is treated by plasma, so it can be closely combined with PE film, the energy in the plasma, can remove a variety of pollutants from the surface of aluminum foil, such as dust, oil, etc. And the plasma processing process can fully realize the online processing mode. In practice, some users use annealing process to achieve the above effect, but compared with plasma, this kind of time and energy consuming.

 

The advantages and characteristics of plasma surface treatment are as follows:

1. Complete online integration capability (without interfering the original process operation), energy saving, low cost and environmental protection.

2. Do not change the mechanical properties of aluminum foil

3. Selective, partial or comprehensive cleaning can be realized.

4, aluminum foil can be double-sided processing.

5. The treatment process can be integrated in front of the winding device.

plasma surface treatment technology

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