Research Article

Silica-Reinforced Natural Rubber: Synergistic Effects by Addition of Small Amounts of Secondary Fillers to Silica-Reinforced Natural Rubber Tire Tread Compounds

Figure 5

Influence of dump temperature on (a) tan delta at −20 and 0°C from DMA and (b) tan delta at 60°C from RPA of silica-filled NR compounds containing different secondary fillers: carbon black (CB) or organoclay (OC).
(a)
(b)