Russian Journal of Physical Chemistry B

, Volume 8, Issue 4, pp 569–573 | Cite as

NMR determination of topological structure and self-diffusion of linear polymers

  • T. P. KulaginaEmail author
  • G. E. Karnaukh
  • L. P. Smirnov
  • A. N. Kuzina
Chemical Physics of Polymer Materials


A general approach is proposed to calculate the attenuation of spin echo diffusion and the self-diffusion coefficients D of linear polymers with different average molecular weights M w . It was shown that the changes in the topological structure of linear polymers resulted from the formation of a physical entanglement network at M w > 105 are responsible for the experimentally observed anomalous diffusion D(M w ).


nuclear magnetic resonance linear flexible polymers physical entanglement network stimulated echo self-diffusion 


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Copyright information

© Pleiades Publishing, Ltd. 2014

Authors and Affiliations

  • T. P. Kulagina
    • 1
    Email author
  • G. E. Karnaukh
    • 1
  • L. P. Smirnov
    • 1
  • A. N. Kuzina
    • 1
  1. 1.Institute of Problems of Chemical Physics of Russian Academy of ScienceChernogolovkaRussia

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