Počet záznamů: 1

Dynamics of the Kerr effect in the isotropic phase of comb-shaped nematic polymers

  1. 1.
    0347298 - UMCH-V 2011 RIV RU eng J - Článek v odborném periodiku
    Polushin, S. - Filippov, Sergey K. - Fiskevich, T. S. - Barmatov, E. B. - Ryumtsev, E. I.
    Dynamics of the Kerr effect in the isotropic phase of comb-shaped nematic polymers.
    Polymer Science Series C. Roč. 52, č. 1 (2010), s. 24-34 ISSN 1811-2382
    Výzkumný záměr: CEZ:AV0Z40500505
    Klíčová slova: liquid crystals * Kerr effect * copolymer
    Kód oboru RIV: CD - Makromolekulární chemie
    Impakt faktor: 0.810, rok: 2010

    The equilibrium Kerr effect and its dynamics are investigated in isotropic melts of the comb-shaped LC polymer poly(4-[(4′-cyano-1,1′-biphenyl-4-yl)oxy]butyl-2-acrylate) and its copolymers and isotropic melts of the LC ionomer containing rubidium ions in a wide temperature range. A sharp change in the temperature dependence of relaxation times for the induced macroscopic orientational order is found for the LC copolymers and the LC ionomer in the temperature range 10–15 K higher than the temperature of the nematic-isotropic phase transition. The dynamic behavior is approximated by the conventional Arrhenius type dependence, and the equilibrium electrooptical properties of the copolymers are well characterized via the Landau-De Gennes model.
    Trvalý link: http://hdl.handle.net/11104/0006018