Such resins include, for example, polyalkyl and aralkyl methacrylate polymers such as polymethyl methacrylate and methacrylate copolymers, styrenic polymers such as polystyrene, polyalkylstyrenes and styrenic copolymers such as styrene-acrylonitrile copolymers, styrene-acrylonitrile-methyl methacrylate copolymers and styrene-methyl methacrylate copolymers, polycarbonates and polycarbonate copolyme