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Quantitative Evaluation of the Gibbs-Dimarzio Theory of the Glass Transition for Polystyrene

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Analytical Calorimetry

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Abstract

The applicability of the Gibbs-DiMarzio (G-DM) theory of the glass transition (Tg) is quantitatively evaluated for polystyrene (PS). The analysis was conducted under the assumption that both the inter- intramolecular energy ratio (r) and the effective chain segment density (n) remain constant while the fractional free volume at Tg(Vo) varies as a function of the reciprocal degree of polymerization (103/P). Based upon reduced parametric plots of Tg/Tg∞ versus 103/P, the results showed that the G-DM equations were satisfactory for PS; when 0.015 ≦ Vo ≦ 0.045, optimum agreement occurred at n = 1.80, r = 1.05.

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Author information

Authors and Affiliations

  1. Dept. of Mechanical Engineering, University of Colorado Boulder, CO, 80309, USA

    A. R. Greenberg

  2. Dental Research Center, Univ. of North Carolina Chapel Hill, NC, 27514, USA

    R. P. Kusy

Authors
  1. A. R. Greenberg
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  2. R. P. Kusy
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Editor information

Editors and Affiliations

  1. Institute of Materials Science, University of Connecticut, Storrs, Connecticut, USA

    Julian F. Johnson

  2. Du Pont Company, Wilmington, Delaware, USA

    Philip S. Gill

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© 1984 Plenum Press, New York

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Greenberg, A.R., Kusy, R.P. (1984). Quantitative Evaluation of the Gibbs-Dimarzio Theory of the Glass Transition for Polystyrene. In: Johnson, J.F., Gill, P.S. (eds) Analytical Calorimetry. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2699-1_13

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  • DOI: https://doi.org/10.1007/978-1-4613-2699-1_13

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4612-9677-5

  • Online ISBN: 978-1-4613-2699-1

  • eBook Packages: Springer Book Archive

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