diener electronic : Painting of plastics


	Painting of plastics Many plastic articles, in particular moulded parts and profiles, are coated for decorative and sometimes protective reasons. Herein, the low surface energy due to the lack of polar groups leading to insufficient adhesion of many coating binders is obstructive. A plasma treatment, mostly employing oxygen as process gas, generates radicals and polar groups on the surface, providing a strong adhesion of the coating layer.

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