Functionalized Multiwalled Carbon Nanotube-Reinforced Polyimide Composite Films with Enhanced Mechanical and Thermal Properties

Figure 3

DMAc solvent, pure MWCNTs/DMAc mixture, MWCNTs-COOH/DMAc mixture, and MWCNTs-ODA/DMAc mixture allow standing for (a) 0 h, (b) 2 h, (c) 4 h, and (d) 8 h, respectively.

(a)

(b)

(c)

(d)