ABSTRACT
Simple gas discharge treatment, such as of Ar, introduces numerous dangling bonds on the surface, which subsequently react with ambient oxygen when the treated surface is taken from the discharge reactor yielding variety of functional groups from peroxide, carbonyl, carboxylic acid, and so forth. These functional groups, including the surface-bound free radicals, could be utilized to functionalize the surface by reacting with appropriate chemicals depending on the stage of the free radicals’ cascading reactions. The excellent adhesion of primer coating applied on the surface of plasma polymer-coated metals, described in Chapter 32, is due to the reaction of functional groups discussed here.
