The morphology of silica dispersed in both FSi- and PSi-filled NR is not much different when silica loading is 20 phr (see Fig. 10(a)–(d)) corresponding to their comparable tensile strength.
The morphology of silica dispersedin both FSi- and PSi-filled NR is not much different whensilica loading is 20 phr (see Fig. 10(a)–(d)) correspondingto their comparable tensile strength.