A New Approach in Modifying Polymeric Coatings to Increase Corrosion Resistance Properties

Figure 5

SEM images of cross-section of the epoxy coatings containing 0–5 wt% of urea-modified clay (×9000).

(a) Without urea-modified clay

(b) 1 wt% urea-modified clay

(c) 2 wt% urea-modified clay

(d) 3 wt% urea-modified clay

(e) 4 wt% urea-modified clay

(f) 5 wt% urea-modified clay