Table 3 Mixing procedure
From: Influence of functionalized S–SBR on silica–filled rubber compound properties
1st stage | Internal mixer |
Time | |
0:00 | Polymers |
1:20 | 1/2 silica, 1/2 TESPT, Oil |
2:50 | 1/2 silica, 1/2 TESPT, Stearic acid, Zinc oxide |
3:10 | Mix (Control rotor speed up to 140 °C) |
4:10 | Ram up, sweep, ram down |
6:40 | Dump out |
2nd stage | Two–roll mill |
0:00 | 1st masterbatch |
2:00 | Sulfur, CBS, DPG |
7:00 | Milling |