Polycarbonates are a class of thermoplastic polymers that are used in the plastic lenses
Chapter 22, Problem 22.174(choose chapter or problem)
Polycarbonates are a class of thermoplastic polymers that are used in the plastic lenses of eyeglasses and in the shells of bicycle helmets. A polycarbonate is made from the reaction of bisphenol A (BPA) with phosgene (COCl2): HO C OH + nCOCl2 CH3 CH3 ( ) n BPA 8888n polycarbonate 1 2nHCl Phenol (C6H5OH) is used to terminate the polymer (stop its growth). a. Draw the structure of the polycarbonate chain formed from the above reaction. b. Is this reaction a condensation or an addition polymerization?
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