A method and apparatus are taught for treating polyolefin containing or polyolefin-coated webs or laminates for obtaining the proper surface characteristics to promote adhesion of photosensitive coating materials and/or layers typically coated thereon. The web is passed through a high-voltage sheath...http://www.google.es/patents/US6399159?utm_source=gb-gplus-sharePatente US6399159 - High-efficiency plasma treatment of polyolefins
