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Maxwell and Kerr effects in solutions of linear dendritic macromolecules

  • All-Russia Kargin Conference
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Abstract

The linear dendritic polymers of the first and second generations have been investigated by the methods of flow birefringence and equilibrium and nonequilibrium electric birefringence. The side dendrons are attached to the polymer backbone through benzamide groups and contain long terminal hexyloxycarbonyl fragments. Optical, dynamic, dipolar, and conformational characteristics of the macromolecules in question have been analyzed in detail. It has been found that the macromolecules of dendritic polymers with dendrons based on L-aspartic acid possess permanent dipole moments and reorient in external electric and hydrodynamic fields according to the large-scale rotation mechanism. The introduction of rigid benzamide fragments substantially increases the equilibrium rigidity, optical anisotropy, and dipole moment of monomer units of dendritic macromolecules. The role of macro-and microform effects in the formation of optical features of the molecules under study is considered in detail.

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Authors and Affiliations

  1. Faculty of Physics, St. Petersburg State University (Petrodvorets Branch), ul. Ul’yanovskaya 1, Petrodvorets, 198504, Russia

    N. V. Tsvetkov

  2. Institute of Macromolecular Compounds, Russian Academy of Sciences, Bol’shoi pr. 31, St. Petersburg, 199004, Russia

    L. N. Andreeva & S. V. Bushin

  3. Faculty of Chemistry, St. Petersburg State University, Universitetskii pr. 26, Petrodvorets, 198504, Russia

    N. V. Girbasova & A. Yu. Bilibin

Authors
  1. N. V. Tsvetkov
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  2. L. N. Andreeva
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  3. S. V. Bushin
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  4. N. V. Girbasova
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  5. A. Yu. Bilibin
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Corresponding author

Correspondence to N. V. Tsvetkov.

Additional information

Original Russian Text © N.V. Tsvetkov, L.N. Andreeva, S.V. Bushin, N.V. Girbasova, A.Yu. Bilibin, 2008, published in Vysokomolekulyarnye Soedineniya, Ser. A, 2008, Vol. 50, No. 2, pp. 219–229.

This paper was presented at the Forth All-Russia Kargin Conference dedicated to the centenary of Academician Kargin “Polymer Science in the 21st century.”

This work was supported by the Russian Foundation for Basic Research, project nos. 06-03-32601 and 06-03-32296.

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Tsvetkov, N.V., Andreeva, L.N., Bushin, S.V. et al. Maxwell and Kerr effects in solutions of linear dendritic macromolecules. Polym. Sci. Ser. A 50, 119–128 (2008). https://doi.org/10.1007/s11498-008-2004-0

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  • DOI: https://doi.org/10.1007/s11498-008-2004-0

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