Interfacial Adhesion Characteristics of Kenaf Fibres Subjected to Different Polymer Matrices and Fibre Treatments

Figure 8

Corresponding SEM images after the pullout test for untreated and treated kenaf fibre using polyurethane (PU) as the resin.

(a) PU-Ut

(b) PU-H4

(c) PU-H6

(d) PU-N4

(e) PU-N6