Hydrophilic or hydrophobic
Textiles and nonwovens are usually made of woven or worn fibers. The materials are wool, cotton and synthetic fibers. Therefore, corona treatment is not carried out on a uniform surface, but on various surfaces within the network.
The purpose of treatment is to improve absorption. Through the effect of treatment, we can know how fast a drop of liquid absorbs.
Corona treatment must be carried out gently to avoid heat damage to single filament, but the strength is enough to activate the refractory synthetic fiber.
This creates a prerequisite for further process steps. Specific equipment permanently adheres to a variety of properties, such as flame retardants or water repellents.
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