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Glass transition of polystyrene versus molecular weight

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Summary

Glass transition temperature of polystyrene has been studied by D.S.C.. Glass transition, well known for macromolecules, has been observed up to the monomer. Measurements of the change in heat capacity ΔCp at Tg were carried out and a relationship between \(\frac{{\Delta Cp}}{T}\) and \(\overline {Dp}\) has been found. The results have been interpreted as a modification of interaction occuring at \(\overline {Dp}\)≃25.

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Authors and Affiliations

  1. Laboratoire de Thermochimie Minérale L.A. 116 CNRS, France

    P. Claudy, J. M. Létoffé, Y. Camberlain & J. P. Pascault

  2. Laboratoire des Matériaux Macromoléculaires, E.R.A. 745, Institut National des Sciences Appliquées de Lyon, 20, avenue Albert Einstein, F-69621, Villeurbanne Cedex, France

    Y. Camberlain & J. P. Pascault

Authors
  1. P. Claudy
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  2. J. M. Létoffé
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  3. Y. Camberlain
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  4. J. P. Pascault
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Claudy, P., Létoffé, J.M., Camberlain, Y. et al. Glass transition of polystyrene versus molecular weight. Polymer Bulletin 9, 208–215 (1983). https://doi.org/10.1007/BF00283709

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  • DOI: https://doi.org/10.1007/BF00283709

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