Identifying the Long-Term Thermal Storage Stability of SBS-Polymer-Modified Asphalt, including Physical Indexes, Rheological Properties, and Micro-Structures Characteristics
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Methods
3. Results
3.1. Macro Performance Indexes
3.1.1. Conventional Physical Indexes
3.1.2. Rheological Indexes from MSCR
3.1.3. Rheological Indexes from Small Strain Oscillatory Rheological Test
3.2. Micro Characteristics Indexes
3.2.1. Network Structure Strength from Stress-Time Curves
3.2.2. SBS Swelling Degree from FM
3.2.3. SBS Amount from ATR-FTIR
3.3. Performance Prediction after Long-Term Storage
3.3.1. Grey Relation
3.3.2. PLS Regression Model
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Base Asphalt | Ductility @ 10 °C/cm | Softening Point/°C | Penetration @ 25 °C/dmm | ||
38 | 49 | 70 | |||
SBS Modifiers | Type | Size | Polybutadiene Content/% | Polystyrene Content/% | Molecular Weight/g·mol−1 |
Linear | 20 mesh | 70 | 30 | 110,000 |
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Wang, P.; Wei, H.-R.; Liu, X.-Y.; Ren, R.-B.; Wang, L.-Z. Identifying the Long-Term Thermal Storage Stability of SBS-Polymer-Modified Asphalt, including Physical Indexes, Rheological Properties, and Micro-Structures Characteristics. Sustainability 2021, 13, 10582. https://doi.org/10.3390/su131910582
Wang P, Wei H-R, Liu X-Y, Ren R-B, Wang L-Z. Identifying the Long-Term Thermal Storage Stability of SBS-Polymer-Modified Asphalt, including Physical Indexes, Rheological Properties, and Micro-Structures Characteristics. Sustainability. 2021; 13(19):10582. https://doi.org/10.3390/su131910582
Chicago/Turabian StyleWang, Peng, Hong-Rui Wei, Xi-Yin Liu, Rui-Bo Ren, and Li-Zhi Wang. 2021. "Identifying the Long-Term Thermal Storage Stability of SBS-Polymer-Modified Asphalt, including Physical Indexes, Rheological Properties, and Micro-Structures Characteristics" Sustainability 13, no. 19: 10582. https://doi.org/10.3390/su131910582