Enthalpy relaxation in glassy polystyren
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A. Brunacci; J.M.G. Cowie; R. Ferguson; I.J. McEwen
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Article
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1997
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Elsevier Science
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English
β 764 KB
The changes in enthalpy (AH,) 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 express