Nanoclay and Water Uptake Effects on Mechanical Properties of Unsaturated Polyester

Figure 10

SEM fractographs of UP and UP/NC with (a) 0 wt%, (b) 1 wt%, (c) 3 wt%, and (d) 4 wt% I.30E clay loadings.

(a)

(b)

(c)

(d)