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Liquid crystalline copolymers of monomer-pairs containing mesogenic units which exhibit constitutional isomerism

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Summary

The synthesis and characterization of side-chain liquid crystalline copolymers obtained from a monomer pair containing a mesogenic unit which exhibits constitutional isomerism are presented. The particular example described refers to copolymethacrylates obtained from 4-hydroxy-4′-methoxy-α-methylstilbene and 4-methoxy-4′-hydroxy-α-methylstilbene containing six and eleven methylenic units in the spacer. The polymer containing six methylenic units presents a nematic mesophase, while the polymer containing eleven methylenic units presents a smectic A or C mesophase. None of these polymers exhibited side-chain crystallization.

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Author notes

  1. Jose M. Rodriguez-Parada

    Present address: Max-Planck-Institut für Polymerforschung, D-6500, Mainz, Germany

  2. Cecilia Ericsson

    Present address: Department of Polymer Technology, Royal Institute of Technology, Stockholm, Sweden

Authors and Affiliations

  1. Department of Macromolecular Science, Case Western Reserve University, 44106, Cleveland, OH, USA

    Virgil Percec, Jose M. Rodriguez-Parada, Cecilia Ericsson & Hildeberto Nava

Authors
  1. Virgil Percec
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  2. Jose M. Rodriguez-Parada
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  3. Cecilia Ericsson
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  4. Hildeberto Nava
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Percec, V., Rodriguez-Parada, J.M., Ericsson, C. et al. Liquid crystalline copolymers of monomer-pairs containing mesogenic units which exhibit constitutional isomerism. Polymer Bulletin 17, 353–359 (1987). https://doi.org/10.1007/BF00955720

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  • DOI: https://doi.org/10.1007/BF00955720

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