Openair-Plasma® systems for the activation of plastic films with long-term stability
To be able to print and coat plastic films, the surface tension of the material must first be increased. In addition, coating requires long-term stability of surface activation. In the methods previously available, such as corona treatment or flame treatment, surface tension decreases after a short time.
Pretreatment with the Openair-Plasma® process results in reliable surface activation of the plastic films – activation that displays outstanding long-term stability. Inks and coatings are optimally absorbed.
Openair-Plasma® film systems use special slot nozzles. They it make possible to reliably treat film with atmospheric-pressure plasma over any width. An additional positive side effect of treating the plastic with Openair-Plasma® is a noticeable anti-static effect.
Activation of films on winders
Openair-Plasma® systems for the treatment of plastic films – advantages and properties:
- Pretreatment with long-term stability due to high surface activation
- Possibility of partial activation
- Additional cleaning effect of additives
- Anti-static effect
- Treatment width per nozzle = 25 mm
- Single-sided pretreatment
- High processing speeds
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