THE APPARENT

Industry experts weigh in on the who, what, when, where, and why of the post-cure process. by Jessica Millward, Associate Editor THE APPARENT "chemistry mystery" occurring after a UV ink is cured significantly impacts the appearance of a finished printed product. Supplier sleuthing has led to these conclusions: WHAT is (and what isn't) post-cure? Though used throughout the industry, the term "post-cure," in many cases, is technically a misnomer. Rob Stendahl, corporate technical support supervisor for Akzo Nobel, clarifies: "Post cure only takes place with cationic UV-curable inks. The more common type of UV inks is cured through a UV-induced free radical polymerization