Editor’s Note: “Gloss Dry-Back from Wet Trap Printing with Aqueous Coatings” is an abridged version of the first-place recipient of the National Printing Ink Research Institute’s (NPIRI) Lecture Series at NPIRI’s 46th Annual Technical Conference at Marco Island, FL from Oct. 2-4, 2002. Readers can request the full report by e-mailing [email protected]. Ink dry-back is a term used to describe the decrease in optical density over time after printing that usually results in a loss in gloss and a...