Structural relaxation in polystyrene and some polystyrene derivatives

A Brunacci; Roderick Ferguson; J L Gomez Ribelles; A Vidaurre Garayo; John Mackenzie Grant Cowie

Structural relaxation in polystyrene and some polystyrene derivatives

A Brunacci, Roderick Ferguson, J L Gomez Ribelles, A Vidaurre Garayo, John Mackenzie Grant Cowie

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Abstract

The structural relaxation process in polystyrene and three polystyrene derivatives (p-methyl, p-chloro, and p-hydroxy) at temperatures close to the glass transition temperature has been monitored by differential calorimetric measurements of the heat capacities of the polymers after they were subjected to several different thermal histories. The heat capacity (c_p) data were analyzed in terms of the recent configurational entropy model proposed by Gómez and Monleón, and good agreement was found between the experimental and model-simulated DSC thermograms. The effect of the three para substituents upon the structural relaxation process is also discussed.

Original language	English
Pages (from-to)	7976-7988
Number of pages	13
Journal	Macromolecules
Volume	29
Issue number	24
Publication status	Published - 18 Nov 1996

Cite this

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title = "Structural relaxation in polystyrene and some polystyrene derivatives",

abstract = "The structural relaxation process in polystyrene and three polystyrene derivatives (p-methyl, p-chloro, and p-hydroxy) at temperatures close to the glass transition temperature has been monitored by differential calorimetric measurements of the heat capacities of the polymers after they were subjected to several different thermal histories. The heat capacity (cp) data were analyzed in terms of the recent configurational entropy model proposed by G{\'o}mez and Monle{\'o}n, and good agreement was found between the experimental and model-simulated DSC thermograms. The effect of the three para substituents upon the structural relaxation process is also discussed.",

author = "A Brunacci and Roderick Ferguson and Ribelles, {J L Gomez} and Garayo, {A Vidaurre} and Cowie, {John Mackenzie Grant}",

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T1 - Structural relaxation in polystyrene and some polystyrene derivatives

AU - Brunacci, A

AU - Ferguson, Roderick

AU - Ribelles, J L Gomez

AU - Garayo, A Vidaurre

AU - Cowie, John Mackenzie Grant

PY - 1996/11/18

Y1 - 1996/11/18

N2 - The structural relaxation process in polystyrene and three polystyrene derivatives (p-methyl, p-chloro, and p-hydroxy) at temperatures close to the glass transition temperature has been monitored by differential calorimetric measurements of the heat capacities of the polymers after they were subjected to several different thermal histories. The heat capacity (cp) data were analyzed in terms of the recent configurational entropy model proposed by Gómez and Monleón, and good agreement was found between the experimental and model-simulated DSC thermograms. The effect of the three para substituents upon the structural relaxation process is also discussed.

AB - The structural relaxation process in polystyrene and three polystyrene derivatives (p-methyl, p-chloro, and p-hydroxy) at temperatures close to the glass transition temperature has been monitored by differential calorimetric measurements of the heat capacities of the polymers after they were subjected to several different thermal histories. The heat capacity (cp) data were analyzed in terms of the recent configurational entropy model proposed by Gómez and Monleón, and good agreement was found between the experimental and model-simulated DSC thermograms. The effect of the three para substituents upon the structural relaxation process is also discussed.

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M3 - Article

SN - 0024-9297

VL - 29

SP - 7976

EP - 7988

JO - Macromolecules

JF - Macromolecules

IS - 24

ER -

Structural relaxation in polystyrene and some polystyrene derivatives

Abstract

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