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Exploratory Studies of New NLO and Piezoelectric Polymers
Published online by Cambridge University Press: 21 February 2011
Abstract
Synthetic efforts toward novel NLO and piezoelectric polymers are described. NLO-phores are incorporated in the main chain of a polymer with all the dipoles in the same direction by polycondensation of AB-monomers. The polymers containing p-alkoxy-α-cyanocinnamate units in the backbone show cooperative enhancement of SHG in solution. For comparison, p-thio-α-cyanocinnamate is incorporated in the main chain and in the side chain of polymers. Novel potentially piezoelectric polymers synthesized include polymers containing multicyanocyclobutyl or -cyclopropyl groups and acrylonitrile copolymers.
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