The Curing Process of Epoxy/Amino-Functionalized MWCNTs: Calorimetry, Molecular Modelling, and Electron Microscopy

Table 1

Summary of the dynamic DSC results.

wt% CNTs	Δ𝐻𝑃 (kJ/ee)*	𝑇𝑃 (°C)**
𝑟=1.0
0	92.3	175.6
0.1	80.8	188.4
0.25	88.8	179.1
𝑟=1.2
0	109.0	178.1
0.1	98.3	189.0
0.25	105.2	176.5
𝑟=1.0
***DGEBA/CNTs mixtures precured at 130°C
0.1	78.2	187.5
0.25	85.3	181.0

* Δ𝐻_𝑃 (kJ/ee): peak reaction heat in kilojoules per epoxy equivalent
** 𝑇_𝑃 (°C)**: temperature of peak in Celsius
***DGEBA/CNTs mixtures were heated at 130°C for 1 hour before the curing agent addition.