Table 5.
Samples | Non-Newtonian Index (n) a | ||||
---|---|---|---|---|---|
180 °C | 190 °C | 200 °C | 210 °C | 220 °C | |
PB/PL | 0.572 ± 0.012 | 0.586 ± 0.039 | 0.601 ± 0.031 | 0.615 ± 0.043 | 0.630 ± 0.025 |
PB/PL/PS1 | 0.562 ± 0.025 | 0.574 ± 0.031 | 0.587 ± 0.022 | 0.600 ± 0.036 | 0.612 ± 0.017 |
PB/PL/PS2 | 0.544 ± 0.017 | 0.556 ± 0.026 | 0.570 ± 0.028 | 0.584 ± 0.030 | 0.599 ± 0.026 |
PB/PL/PS3 | 0.526 ± 0.034 | 0.439 ± 0.018 | 0.550 ± 0.026 | 0.562 ± 0.029 | 0.575 ± 0.023 |
PB/PL/PS4 | 0.545 ± 0.019 | 0.560 ± 0.023 | 0.573 ± 0.030 | 0.587 ± 0.016 | 0.601 ± 0.038 |
PB/PL/PS5 | 0.566 ± 0.022 | 0.578 ± 0.027 | 0.591 ± 0.036 | 0.605 ± 0.041 | 0.619 ± 0.020 |
an was taken as the arithmetic mean in the range of low shear rates.