OPTICAL BRIGHTENERS FOR DISPLAY PANELS

摘要

A laminated panel for use as a display panel has a polystyrene plastic core and a cellulosic surface on each face of the core. The surface layers are impregnated with a resin formulation containing an optical brightener, and optionally a dye, an d then pressed onto each face of the core to form the laminate. The finished panel is found to have outstanding brightness, and can be imprinted using a flat bed digital printed to produce signage for a variety of consumer applications.