When most people think of the printing ink industry, their thoughts go to the conventional, large-volume Photo courtesy of Colorcon. areas such as publication, commercial, and to a slightly lesser extent, packaging.     However, some of the most interesting work is being done for unique applications, where shipments are marked in gallons and pounds and R&D is involved in just about every shipment. It is these cutting-edge inks that open eyes as to the real power of p...