Sources/Uses
Used in hemodialysis membranes and as a denture base; [ChemIDplus] "Polycarbonates (PC), known by the trademarked names Lexan, Makrolon, Makroclear and others, are a particular group of thermoplastic polymers. They are easily worked, molded, and thermoformed. Because of these properties, polycarbonates find many applications. . . . The main polycarbonate material is produced by the reaction of bisphenol A (BPA) and phosgene COCl2." [Wikipedia]