Evaluation of the Corrosion Inhibiting Capacity of Silica/Polypyrrole-Oxalate Nanocomposite in Epoxy Coatings

Figure 5

TEM images of (a) SiO₂ (b) SiO₂/PPy, (c) SPO1, (d) SPO2, (e) SPO3.

(a)

(b)

(c)

(d)

(e)