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The difference between corona treatment and plasma cleaning machine treatment

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Published on:

28 Dec,2020

The difference between corona treatment and plasma cleaning machine treatment:

 

Corona treatment is a click treatment method, it can make the substrate surface has a high bond strength. Because most of the plastic film nonpolar polymer, low interfacial tension, not a fixed printing ink and adhesive, so should choose corona discharge method to deal with this kind of surface layer of plastic film, discharge of reactive oxygen species is a kind of strong oxidation, it can change the molecular structure of the plastic film, make its formation in air oxidation carbonyl, peroxide and other groups, to improve the surface performance.

 

Plasma cleaning machine surface treatment is based on high energy particles and organic material surface layer produced by physical or chemical change, can be used to solve the raw material surface activity, etching process, the problem such as decontamination, unlike corona treatment, corona discharge treatment can only solve very frivolous products, such as plastic film products, such as the material specifications can't be too big in the process of production.

 

The common points of surface treatment and corona treatment of plasma cleaning machine are:
1. High frequency and high voltage discharge is adopted for plasma equipment and electric airsickness treatment. Plasma is selected to modify the surface of materials.
2. Both methods can improve the surface adhesion of raw materials and are conducive to the adhesion, painting and printing of materials.
3. All are online production processing, production and manufacturing.

 

Differences between plasma treatment and corona surface treatment:

1. Plasma cleaning machine surface treatment in addition to glow discharge, also contains electric volt charge and discharge, can generate a lot of kinetic energy, to reach the adhesive force of 50 or more, and electric motion sickness generally can only reach the adhesive force of about 30 degrees.
2. Corona discharge has a wide range of action, suitable for products with low bonding strength requirements, such as cloth, plastic film, plastic and so on. The plasma surface treatment area is relatively narrow, sometimes several nozzles need to cooperate to complete the total width treatment, the production cost is higher, but the effect is better than corona.

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