Phase diagrams of binary mixtures of liquid crystals and rodlike polymers in the presence of an external field.

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  • Author(s): Matsuyama A;Matsuyama A; Ueda T
  • Source:
    The Journal of chemical physics [J Chem Phys] 2012 Jun 14; Vol. 136 (22), pp. 224904.
  • Publication Type:
    Journal Article; Research Support, Non-U.S. Gov't
  • Language:
    English
  • Additional Information
    • Source:
      Publisher: American Institute of Physics Country of Publication: United States NLM ID: 0375360 Publication Model: Print Cited Medium: Internet ISSN: 1089-7690 (Electronic) Linking ISSN: 00219606 NLM ISO Abbreviation: J Chem Phys Subsets: MEDLINE
    • Publication Information:
      Publication: New York, NY : American Institute of Physics
      Original Publication: Lancaster, Pa., American Institute of Physics.
    • Subject Terms:
      Phase Transition*; Liquid Crystals/*chemistry ; Polymers/*chemistry; Thermodynamics
    • Abstract:
      We theoretically study phase separations in mixtures of a low molecular-weight-liquid crystalline molecule (LC) and a rigid-rodlike polymer (rod) under an external field, such as magnetic or electric fields. By taking into account two orientational order parameters of the rod and the LC, we define four nematic phases (N(0), N(1), N(2), N(3)) on the temperature-concentration plane. Depending on the sign of the dielectric anisotropy Δε(i) of the rod (i = 1) and LC(i = 2), we examine the phase behavior of rod/LC mixtures in the case of Δε(1) > 0, Δε(2) > 0 (a), Δε(1) < 0, Δε(2) > 0 (b), Δε(1) > 0, Δε(2) < 0 (c), and Δε(1) < 0, Δε(2) < 0 (d). We predict a variety of phase separations induced by an external field.
    • Accession Number:
      0 (Polymers)
    • Publication Date:
      Date Created: 20120621 Date Completed: 20121016 Latest Revision: 20120620
    • Publication Date:
      20240829
    • Accession Number:
      10.1063/1.4728337
    • Accession Number:
      22713070