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Home  >  Journal list  >  Polymer Journal  >  Vol.19  No.10 (1987)  >  pp.1209-1216

Polymer Journal
<<Previous article Vol.19  No.10 (1987)   pp.1209 - 1216 Next article>>

Thermal Studies of Terephthalate Copolyesters

E. Ponnusamy1) and T. Balakrishnan1)
1) Department of Physical Chemistry, University of Madras

ABSTRACT:  Differential thermal analysis of random terephthalate copolyesters of ethylene glycol and butane-1,4-diol showed that the thermal properties (Tm, Tc, ΔHf, ΔSf, and Xc) follow an independent curve with comonomer composition. The kinetics of thermal degradation of these copolyesters were studied by thermogravimetry and the major degradation mechanism was found to be unimolecular.


Keyword:
Copolyesters/ Differential Thermal Analysis/ Enthalpy of Fusion/ Entropy of Fusion/ Thermogravimetry/ Kinetic Order/ Activation Energy

Published online: April 08, 2005
© Copyright, 2005 by The Society of Polymer Science, Japan

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