Enthalpy relaxation in glassy polystyrenes: 2

A. Brunacci, J. M G Cowie, R. Ferguson, I. J. McEwen

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

The changes in enthalpy (?H8) between the experimental glass and the fully relaxed glass for two polystyrene samples of different molar masses have been estimated using the Cowie-Ferguson approach. These were then compared with the change predicted by a simple two-state conformational energy expression for the specific heat increment at constant volume. Comments on the nature of allowed motions in the glass are made. © 1997 Elsevier Science Ltd.

Original languageEnglish
Pages (from-to)3263-3268
Number of pages6
JournalPolymer
Volume38
Issue number13
Publication statusPublished - Jun 1997

Keywords

  • Enthalpy relaxation
  • Equilibrium glass
  • Physical ageing

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    Brunacci, A., Cowie, J. M. G., Ferguson, R., & McEwen, I. J. (1997). Enthalpy relaxation in glassy polystyrenes: 2. Polymer, 38(13), 3263-3268.