Polymer Mechanics

, Volume 4, Issue 4–6, pp 449–455 | Cite as

Vibrational frequency shifts in the stretched polypropylene molecule

  • A. I. Gubanov
  • V. A. Kosobukin


The GF matrix method is used to compute the changes in the skeletal vibration frequencies for a simplified model of isotactic polypropylene stretched by a loadf. The series of frequencies obtained atf=0 are identified with those experimentally observed. A linear approximation is used for the deformation potential energy atf=0–2·10−4 dyneperchain. The results of the calculations are presented in graph form.


Potential Energy Polypropylene Frequency Shift Linear Approximation Vibrational Frequency 
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Literature cited

  1. 1.
    S. N. Zhurkov, V. I. Vettegran', I. I. Novak, and K. N. Kashintseva, DAN176, 623 (1967).Google Scholar
  2. 2.
    A. I. Gubanov, Mekh. Polim. [Polymer Mechanics], No. 5, 771 (1967).Google Scholar
  3. 3.
    E. B. Wilson, J. Chem. Phys.,7, 1047 (1939);9, 76 (1941).Google Scholar
  4. 4.
    E. B. Wilson, J. Decius, and P. Cross, Molecular Vibrations: Theory of Infrared and Roman Vibrational Spectra [Russian translation], IL, Moscow (1960).Google Scholar
  5. 5.
    P. W. Higgs, Proc. Roy. Soc.,A220, 472 (1953).Google Scholar
  6. 6.
    A. I. Gubanov, Mekh. Polim. [Polymer Mechanics], No. 4, 608 (1967).Google Scholar
  7. 7.
    H. Tadokoro, M. Kobayashi, M. Ukita, K. Yasufuku, and S. Murahashi, J. Chem. Phys.,42, 1432 (1965).Google Scholar
  8. 8.
    T. Miyasava, Y. Ideguchi, and K. Fukushima, J. Chem. Phys.,38, 2709 (1963).Google Scholar
  9. 9.
    K. E. Perepelkin, Mekh. Polim. [Polymer Mechanics], No. 6, 845 (1966).Google Scholar

Copyright information

© Consultants Bureau 1972

Authors and Affiliations

  • A. I. Gubanov
  • V. A. Kosobukin

There are no affiliations available

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