Authors: M. Lu 1 , M. Shim 2 , and S. Kim 1
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  • 1 The University of Seoul Department of Chemical Engineering 90 Jeonnong-Dong, Dongdaemun-Gu Seoul 130-743 Korea 90 Jeonnong-Dong, Dongdaemun-Gu Seoul 130-743 Korea
  • 2 The University of Seoul Department of Life Science Seoul 130-743 Korea Seoul 130-743 Korea
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Abstract  

A phenomenological approach was used to characterize the cure processes of epoxy resins (a diglycidyl ether of bisphenol A and its modifier CTBN) from dynamic experiments by DSC. Various kinetic parameters were obtained by using a modified Avrami expression. The resulting overall activation energies for the two systems agreed very well with the published data in the whole cure temperature range. In contrast with the isothermal results and the general dynamic models, a change in the exponent and the non-linear temperature dependence of the rate constant were also observed.

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