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FLEXO Magazine : September 2009
www.flexography.org SEPTEMBER 2009 FLEXO 77 TECHNOLOGIES & TECHNIQUES As one can envision, the UV metallic coating in-line process allows printers/converters to use regular coated paperboards to complete jobs with various metallic effects in the design just as their regular print jobs. Potential benefits include the following: • Elimination of specialized ink systems and foil boards • Waste reduction • Reduced lead times and inventory • Recyclable and environmental friendly (same as foil stamp, silver ink) • Elimination of score cracking • RFID friendly • Cost effective / higher production efficiencies • Reduces curl issues on line OTHER SPECIALTY EFFECTS Yet another level of design sophistication---the anti-coun- terfeit and security feature---can be achieved when combined with other special-effect coatings (e.g., texture, matte-gloss contras, soft-touch), specialty inks (e.g. pearlescent, inter- ference, grow-in-the-dark inks), and 3-D processing (e.g. embossing, holographic process). The resulting effects are limited only by the imagination of the graphic designers! ABOUT THE AUTHORS: Dennis Drummond has spent 34 years in the packaging industry and has extensive experi- ence in flexible packaging, wet-bond laminating, and adhe- sives and coatings. According to Drummond, his career path began when he was hospitalized due to a serious accident. A " wise roommate" suggested that Drummond go into pack- aging and printing, saying, "Just think about it---everything comes in a package." Since then, Drummond has held posi- tions at Laminating and Coating, Norprop Films, Cellu-Craft, Smurfit Laminations, Sovereign Specialty Chemicals Inc., and Henkel, where he is senior key account manager/busi- ness development manager in the Paper Converting Division. As part of his responsibilities, Drummond helps converters implement MiraFoil® coatings, a fully recyclable, UV-curable alternative to foil board laminating and hot foil stamping that is equally brilliant to foil. Dr. Albert Lin, technical director for UV/EB technology at Henkel Technologies, received his Ph.D. degree in Polymer Science and Engineering at Polytechnic University and also holds an MS degree in Chemical Engineering and a BS degree in Chemistry. He has held positions with Sericol Inc, Pierce and Stevens Corp., and Sovereign Specialty Chemi- cals, Inc., and has been involved in UV/EB curable chemistry for the last 20 years. Recently, Lin has focused on develop- ing testing protocols and applying UV/EB chemistry for food packaging applications and printable foil coating technology. In the process, he has pioneered the use of MiraFoil® coatings and worked with converters to establish more in-line process- ing applications using UV/EB technology in order to improve the sustainability and recyclability of the overall packages.