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Introduction Adhesion problems on aluminum foil and metallized films are often approached using the same logic applied to plastic substrates. In practice, this is a... Continue reading
Introduction Corona treatment is widely used to improve adhesion on plastic films. When applied correctly, it modifies only the outer molecular layer of the substrate,... Continue reading
Introduction Corona treatment is essential for improving ink, coating, and adhesive adhesion on plastic films. However, more treatment is not always better. In many production... Continue reading
Introduction Many converting operations face the same frustrating situation:corona treatment works perfectly on polyethylene (PE), but struggles—or completely fails—on polypropylene (PP) and polyethylene terephthalate (PET).... Continue reading
Introduction Corona treatment should produce a stable, uniform electrical discharge across the full width of the web. When that discharge becomes unstable—visible sparks, crackling sounds,... Continue reading
Introduction Corona treatment is designed to increase the surface energy of plastic films so inks, coatings, and adhesives can bond properly. However, surface energy does... Continue reading
1. Uneven Electrode-to-Substrate Gap Corona treaters rely on maintaining a precise, uniform gap between the electrode and the substrate across the full web width. Over... Continue reading
Introduction: The Hidden Cost of Failed Corona Treatment You’ve invested in corona treatment equipment. Your operators run the material through treatment before every print run.... Continue reading
A complete technical guide to diagnosing and solving ink adhesion problems on plastic substrates Introduction You’ve just run a production batch of 10,000 printed plastic... Continue reading
Authors: Walter Brockmann, Paul L. Geiß, Jürgen Klingen, Bernhard SchröderCategory (Primary): Surface Energy, Adhesion & Dyne Testing Why this book matters in surface energy and... Continue reading
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Recent Posts
- Common Adhesion Problems When Treating Aluminum Foil and Metallized Films December 29, 2025
- What Happens When Corona Treatment Damages the Substrate? December 28, 2025
- Can You Over-Treat Plastic with Corona? Signs, Risks, and Safe Limits December 27, 2025
- Why Corona Treatment Works on PE but Fails on PP and PET December 27, 2025
- Corona Treater Arcing: What It Means, Why It Happens, and How to Stop It December 27, 2025
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