Table 4 Glass transition temperature and thermal enthalpy of different bitumens.
From: Effect of doped wax on the rheological properties and chemical structure of ultraviolet aged bitumen
Type | Tg (℃) | Ton (℃) | Tpeak (℃) | Thermal enthalpy (J/g) | |
|---|---|---|---|---|---|
Origin | D0 | -2.34 | — | — | — |
D1M | -1.50 | — | — | — | |
D3M | -1.11 | 13.81 | 30.53 | 3.470 | |
D5M | -0.82 | 14.28 | 30.84 | 5.954 | |
D1L | -0.14 | 27.21 | 40.17 | 1.669 | |
D3L | -0.85 | 22.39 | 42.50 | 5.684 | |
D5L | -0.08 | 23.40 | 43.44 | 9.734 | |
STA | D0 | -2.02 | — | — | — |
D1M | -0.77 | — | — | — | |
D3M | -0.68 | 14.98 | 31.01 | 3.972 | |
D5M | -0.21 | 12.67 | 30.32 | 6.916 | |
D1L | -0.03 | 22.94 | 39.22 | 1.458 | |
D3L | 0.06 | 22.61 | 42.64 | 5.947 | |
D5L | 0.23 | 22.99 | 44.13 | 9.602 | |
UV5 | D0 | -1.67 | — | — | — |
D1M | 0.08 | 17.85 | 28.52 | 0.744 | |
D3M | 0.41 | 12.98 | 28.74 | 4.274 | |
D5M | 0.66 | 14.23 | 30.27 | 6.880 | |
D1L | 0.99 | 20.68 | 38.28 | 2.028 | |
D3L | 2.21 | 23.66 | 41.73 | 6.536 | |
D5L | 1.40 | 23.30 | 43.88 | 9.944 | |
UV10 | D0 | -1.37 | — | — | — |
D1M | 0.22 | 17.13 | 29.07 | 1.523 | |
D3M | 0.53 | 15.36 | 28.85 | 4.451 | |
D5M | 0.68 | 16.06 | 29.54 | 6.960 | |
D1L | 1.31 | 22.51 | 39.82 | 2.433 | |
D3L | 1.52 | 23.03 | 42.76 | 6.804 | |
D5L | 1.49 | 22.48 | 43.24 | 10.017 | |
