Process and apparatus for the production of a polymerised coating on a substrate.

摘要

1. A process for forming a polymerized coating on a substrate, wherein the surface of a substrate to be coated is contacted with a confined atmosphere containing a dispersed monomer or prepolymer which is to be transformed into the coating polymer and a cold plasma is generated by electric discharge in the confined atmosphere for creating reactive species which result into the polymerized coating, characterized in that the electric discharge is a Corona A.C. discharge under a pressure close to atmospheric pressure between an electrode (28) having a low curvature ratio and an electrode (26) which carries the substrate, in an atmosphere which contains the monomer or prepolymer as a vapor or dispersed phase.