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Polymer Science Series B

, Volume 48, Issue 4, pp 173–176 | Cite as

The Grüneisen parameter and Poisson coefficient for glassy organic polymers and inorganic glasses

  • B. D. Sanditov
  • Sh. B. Tsydypov
  • D. S. Sanditov
  • V. V. Mantatov
Article

Abstract

The Grüneisen lattice parameter has been calculated from the data on the Poisson coefficient for amorphous polymers and glasses. For glassy polymers, the thermodynamic Grüneisen parameter characterizes anharmonicity averaged over intrachain and other vibrational modes, the Grüneisen lattice parameter defines anharmonicity of interchain interactions provided by intermolecular interactions. In the case of alkali silicate glasses, the Grüneisen lattice parameter reflects the anharmonicity of vibrations of ionic sublattice that is formed by alkali-metal ions and nonbridging oxygen atoms.

Keywords

PMMA Polymer Science Series HDPE LDPE Amorphous Polymer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Pleiades Publishing, Inc. 2006

Authors and Affiliations

  • B. D. Sanditov
    • 1
  • Sh. B. Tsydypov
    • 2
  • D. S. Sanditov
    • 1
  • V. V. Mantatov
    • 1
  1. 1.Buryat State UniversityUlan-UdeRussia
  2. 2.Buryat Scientific Center, Siberian DivisionRussian Academy of SciencesUlan-UdeRussia

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