15 May 1994 Synthesis of NLO polycarbonates via the ring-opening polymerization of macrocyclic prepolymers
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Abstract
The synthesis and characterization of polycarbonates and polyformals is described. Copolymers of bisphenol A (BPA) and either a triphenyloxazole (1) or phenylquinoxaline (2) monomer were prepared. The polycarbonate copolymers were prepared by ring-opening polymerization of macrocyclic prepolymers using a solvent-free process. Preliminary electro- optic measurements have been performed on the polycarbonate copolymers of BPA and 1. Polyformals have also been prepared by a conventional polymerization process involving the reaction of dichloromethane with different feed ratios of BPA and either 1 or 2. The glass transition temperature of either the polyformals or polycarbonates is dramatically increased by increasing mole fractions of monomers 1 and 2.
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Joseph B. Kulig, Joseph B. Kulig, Collin G. Moore, Collin G. Moore, William J. Brittain, William J. Brittain, Sandra Gilmour, Sandra Gilmour, Joseph W. Perry, Joseph W. Perry, "Synthesis of NLO polycarbonates via the ring-opening polymerization of macrocyclic prepolymers", Proc. SPIE 2143, Organic, Metallo-Organic, and Polymeric Materials for Nonlinear Optical Applications, (15 May 1994); doi: 10.1117/12.173809; https://doi.org/10.1117/12.173809
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