Kinetic Analysis and Characterization of Epoxy Resins ... - FedOA

Results and Discussion 108
Figure 3.9: Fitting of experimental DSC data of isothermal at 100 ◦ Cwith
autocatalytic equation.
The agreement is almost perfect.
For every isothermal DSC this non linear regression has been allowed the determination
of the kinetic constant k(T) and the reaction orders m and n. These
values have been reported in Table 3.6.
In Table 3.7 the average values of reaction orders m and n are listed.
In this way, for every isothermal temperature, using the equation 3.13 and the
values of kinetic parameters reported in Table 3.6 a theoretical reaction rate α ′
versus degree of cure α curve can be created.
In Figure 3.10 the comparison of experimental and theoretical α ′ versus α plot
for isothermal DSC at 100 ◦ C is illustrated.
The agreement between experimental and theoretical data, in the range of degree
of cure from 0,18 and 0,6 is almost perfect.
Theoretical values of time can be obtained, from the theoretical reaction rate,
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