Table 8. Viscoelastic Properties of the T-1 to T-4 Vulcanizates according to Temperature Sweep

Unit T-1 T-2 T-3 T-4
Tg °C −40.8 −40.0 −37.1 −36.9
Peak tan δ - 0.901 0.811 0.695 0.710
E” at 0°C MPa 2.91 5.05 9.69 8.84
Tan δ at 60°C - 0.113 0.137 0.168 0.157