The DSC analyses of TGDDM/DICY system at different heating rates.
| β (°C min−1) | T i a (°C) | T p1 b (°C) | T p2 c (°C) | T f d (°C) | Cure duratione (min) | Cure rangef (°C) | ΔH1g (J g−1) | ΔH2h (J g−1) | ΔHi (J g−1) |
|---|---|---|---|---|---|---|---|---|---|
| 5 | 140 | 185 | 277 | 310 | 33.6 | 170 | 446 | 421 | 867 |
| 10 | 150 | 201 | 296 | 333 | 17.9 | 183 | 429 | 370 | 799 |
| 15 | 155 | 211 | 305 | 347 | 12.5 | 192 | 423 | 374 | 797 |
| 20 | 160 | 220 | 313 | 358 | 9.6 | 198 | 484 | 375 | 859 |
a
The initial curing temperature.
b
The first exothermic peak temperature.
c
The second exothermic peak temperature.
d
The final curing temperature.
e
Total elapsed time of cure reaction.
f
Total temperature ranges of cure reaction, equal to the difference between Ti and Tf.
g
The reaction enthalpy of the first exothermic peak.
h
The reaction enthalpy of the second exothermic peak, respectively.
i
The total enthalpy of cure reaction.