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Polycarbonate
History
The polycarbonate derived from BPA was discovered at Bayer in 1953 and soon at General Electric. It was first introduced to the market in 1958 by Bayer Mobay, and General Electric.
Applications
- Electronic components
- Construction materials
- Data storage
- Automotive, aircraft, and security components
- Niche applications
- Medical applications
What is the Chemical Structure of a Polycarbonate?
Production
The main polycarbonate material is produced by the reaction of bisphenol A (BPA)and phosgene COCl2. The overall reaction can be written as follows:
Polycarbonates received their name because they are polymers containing carbonate groups (–O–(C=O)–O–). Most polycarbonates of commercial interest are derived from rigid monomers. A balance of useful features including temperature resistance, impact resistance and optical properties position polycarbonates between commodity plastics and engineering plastics.
What is a polycarbonate?
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. Polycarbonates do not have a unique resin identification code and are identified as Other, 7.
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