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November 14, 2019
In order to improve the surface properties of PET film, to improve the adaptability of printing and the adhesion of vacuum aluminized film, corona treatment is usually used to improve the surface tension of the film.However, the corona method has some problems such as timeliness, especially in high temperature and high humidity environment, the film tension after corona treatment is easy to attenuate.However, the chemical coating law does not exist such a problem, it is favored by the printing industry and aluminum plating.Domestic enterprises have developed PET chemical coating products: such as water-soluble polymer coating, can improve the surface tension of PET film;Coating with acrylate emulsion can improve the adaptability of printing (water-soluble ink can be used);The bonding force between aluminum plating layer and PET substrate film can be strengthened and the thickness of aluminum plating layer can be increased by Polyurethane aqueous coating.
Anticorrosion Pigments, Inkjet Receptive Coating, Matting Agent
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