Abstract
This paper systematically reports the optimum ratio and non-isothermal curing kinetics of EPOLAM 2008 RESIN (EP2008)/EPOLAM 2008-S HARDENER (EP2008-S) system studied using Differential Scanning Calorimetry (DSC). In view of the gel time, viscosity, and curing reaction heat, the optimum ratio of m (EP2008)/m (EP2008-S) can be confirmed as 100:20. Subsequently, non-isothermal curing kinetics of the composite system with the optimum ratio of m (EP2008)/m (EP2008-S) is investigated by dynamic DSC. The kinetics mechanism function is analyzed with the nth-order model and two-parameter (m and n) autocatalytic model (Sestak–Berggren model). Results indicated that the Malek method discloses the autocatalytic behavior, and that the two-parameter autocatalytic model is able to well simulate the curing reaction. Through the analysis of chemical composition of EP2008/EP2008-S and the value of E a , the possible curing reaction mechanism can be explained.
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