Synthesis and Physicochemical Behaviour of Polyurethane-Multiwalled Carbon Nanotubes Nanocomposites Based on Renewable Castor Oil Polyols

Figure 4

SEM images of pure COPUs and COPUs-MWNTs composites: (a) COPUs, (b) COPUs-MWNTs 0.1%, (c) COPUs-MWNTs 0.2%, (d) COPUs-MWNTs 0.3%, (e) COPUs-MWNTs 0.4%, and (f) COPUs-MWNTs 0.5%.

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