[Retracted] Influence of Nanosilica Particle Addition on Mechanical and Water Retention Properties of Natural Flax- and Sisal-Based Hybrid Nanocomposites under NaOH Conditions

Figure 12

Microstructural analysis of (a) untreated, (b) 2 hrs NaOCl treated, (c) 4 hrs NaOCl treated, and (d) 6 hrs NaOCl treated fibres.

(a)

(b)

(c)

(d)