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Plasma activation (or Plasma functionalization) is a method of functionalizing a surface by means of plasma processing. It is done with the intent to alter or improve adhesion properties of surfaces prior to coating, painting, etc. In most cases, the surface in question is surface of a polymer material and weakly ionised oxygen plasma is used.
Surface activation is a result of following processes:
Generation of polar groups. Oxidation of the polymer is responsible for the increase in polar groups which is directly related to the adhesion properties of the polymer surface.
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