INK-JET OVERCOAT COMPOSITION AND RELATED SYSTEMS AND METHODS

摘要

Compositions, systems, and methods for improving dry rub resistance and resistance to highlighter smear of a printed image on a substrate are provided. The overcoating composition can comprise an aqueous-based liquid vehicle and about 0.5 wt % to about 40 wt % latex polymer particles dispersed in the liquid vehicle. The latex polymer particles can include about 18 wt % to about 99.5 wt % polymerized hydrophobic monomers selected from the group of 4-methylstyrene, cyclohexyl acrylate, isobornyl methacrylate, isobornyl acrylate, and combinations thereof, about 0.1 wt % to about 20 wt % polymerized acid monomers. The overcoating composition can be formulated to be ink-jetted onto the substrate and is substantially devoid of colorant.