Research Article
Preparation and Performance Analysis of High-Viscosity and Elastic Recovery Modified Asphalt Binder
Table 1
Testing results of basic properties of AH-70 neat asphalt.
| Test item | Unit | Value | Test item | Unit | Value |
| Penetration (25°C, 100 g, 5 s) | 0.1 mm | 68 | Viscosity at 135°C | Pa·s | 1.40 | Softening point (ring & ball) | °C | 47.1 | Viscosity at 165°C | Pa·s | 0.34 | Ductility (15°C, 5 m/min) | cm | 120 | Density at 25 °C | g/cm3 | 1.037 | Ductility (10°C, 5 m/min) | cm | 69.8 | Four components | Asphaltenes | % | 9.7 | Dynamic viscosity at 60°C | Pa·s | 298 | Saturates | % | 19.6 | Flash point (open cup) | °C | 269 | Aromatics | % | 40.0 | Solubility (trichloroethylene) | % | 99.94 | Resins | % | 30.7 |
| Residue after RTFOT (163°C, 85 min) | Mass loss | % | −0.02 | Ductility (15°C, 5 m/min) | cm | 71.3 | Penetration | 0.1 mm | 34 | Ductility (10°C, 5 m/min) | cm | 8.2 | Softening point | °C | 54.4 | Dynamic viscosity at 60°C | Pa·s | 563.8 |
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