| abstract |
A method of preparing a printed article includes: applying an ink to a substrate and overlaying a substantially transparent lamination layer over the ink to envelope at least a portion of the substrate. The ink includes a polyurethane copolymer-based binder, wherein the polyurethane copolymer includes a block copolymer comprising the reaction product of a diisocyanate, a first polyol compound, a second polyol compound different from the first polyol compound, and a chain extending agent. |