Structure Structure of dicarbonate (PhOC(O)OC 6H 4 ) 2CMe 2 derived from bis(phenol-A) and two equivalents of phenol. ![]() Products made from polycarbonate can contain the precursor monomer bisphenol A (BPA). Polycarbonates do not have a unique resin identification code (RIC) and are identified as "Other", 7 on the RIC list. Because of these properties, polycarbonates find many applications. They are easily worked, molded, and thermoformed. Polycarbonates used in engineering are strong, tough materials, and some grades are optically transparent. Polycarbonates ( PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures. Linear thermal expansion coefficient ( α)
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