SCRATCH-RESISTANT COATING METHOD FOR OPTICAL STORAGE MEDIA

摘要

An optical data storage medium is disclosed. The medium includes a substrate of a transparent thermoplastic resin and a radiation-cured coating. The coating includes at least one colloidal metal oxide, at least one hydrolysis product of one or more alkoxysilyl acrylate, at least one acrylate monomer, and an optional UV photoinitiator. In a preferred embodiment, the substrate is of polycarbonate. Also disclosed is a process for making the medium.