Polymer materials such as film and fabrics, woven, non-woven and meltblown, may be non-destructively surface treated to improve water wettability, wickability, and other characteristics by exposure to a glow discharge plasma sustained at substantially atmospheric pressure in air or modified gas atmospheres...http://www.google.com/patents/US5403453?utm_source=gb-gplus-sharePatent US5403453 - Method and apparatus for glow discharge plasma treatment of polymer materials at atmospheric pressure