When you put a CD into a player, an infrared laser reads up through the transparent polycarbonate plastic substrate comprising most of the disc's thickness and reflects off an embedded aluminum layer.

The CD recycling process requires Mr. Bennett, 55, to store a truckload, or approximately 44,000 pounds, of CDs in a warehouse before the discs can be granulated into raw polycarbonate plastic ...

If you are a 1.2-mm-thick circle of polycarbonate plastic used to store digital data, then today is a bittersweet one. On the one hand: You are, sorry to say it, a compact disc. You are part of ...

Pits in a CD's aluminium and polycarbonate sandwich store binary data, which is read by a laser. Some fungi are known to live on plastics and polymers, but this is the first report of a CD being ...

International prices of optical-grade polycarbonate (PC) have further slipped from US$2.5/kg in November 2008 to about US$2.0/kg currently, and consequently Taiwan-based makers of blank optical ...