Optical brighteners for display panels

B - Operations – Transporting – 32 – B

Patent

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B32B 27/28 (2006.01) B32B 5/18 (2006.01) B32B 27/10 (2006.01) B32B 27/18 (2006.01) B32B 29/06 (2006.01) G09F 19/00 (2006.01)

Patent

CA 2468634

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, and 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.

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