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Effect of Oils on SBS Modified Asphalt: Rheological Characteristics and Oxidation Aging

Jing Xu1,2,*, Yuquan Yao3, Kai Zhang1, Jiangang Yang2, Jie Gao2, Jian Zhou2

1 Jiangxi Transportation Institute Co., Ltd., Nanchang, 330200, China
2 School of Civil Engineering and Architecture, East China Jiaotong University, Nanchang, 330013, China
3 School of Highway, Chang’an University, Xi’an, 710064, China

* Corresponding Author: Jing Xu. Email: email

Journal of Renewable Materials 2023, 11(3), 1339-1351. https://doi.org/10.32604/jrm.2022.023270

Abstract

This study focuses on the effect of oils on rheology and oxidation aging of Styrene-Butadiene-Styrene modified asphalt (SBSMA) in the long term, after reducing one low-temperature Performance Grade (PG) of SBSMA by incorporating oils. Two oils, including corn-based bio-oil and re-refined engine oil bottom (REOB), were selected to enhance the low-temperature performance of SBSMA. All samples were subjected to Rolling Thin Film Oven (RTFO) aging and 20-h as well as 40-h Pressure Aging Vessel (PAV20 and PAV40) aging, prior to multiple stress creep recovery (MSCR), frequency sweep and Flourier transform infrared spectroscopy (FTIR) scanning. A good high-temperature performance of oil/SBS modified asphalt blends was reflected in MSCR and PG results, meanwhile non-recoverable creep compliance (Jnr) and recovery (R) were found to share a highly correlated relationship during aging progress. In addition, Glover–Rowe (G–R) parameter and phase angle master curves suggest that the improvement of cracking property mainly came from the softening effect of oils. Adding oils into SBSMA was observed to increase oxidation kinetics, but the blends with oils still exhibited better anti-oxidation aging than the base binder, mainly due to the SBS addition. Bio-oil exhibited an effect of relieving age hardening susceptibility of SBSMA.

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APA Style
Xu, J., Yao, Y., Zhang, K., Yang, J., Gao, J. et al. (2023). Effect of oils on SBS modified asphalt: rheological characteristics and oxidation aging. Journal of Renewable Materials, 11(3), 1339-1351. https://doi.org/10.32604/jrm.2022.023270
Vancouver Style
Xu J, Yao Y, Zhang K, Yang J, Gao J, Zhou J. Effect of oils on SBS modified asphalt: rheological characteristics and oxidation aging. J Renew Mater. 2023;11(3):1339-1351 https://doi.org/10.32604/jrm.2022.023270
IEEE Style
J. Xu, Y. Yao, K. Zhang, J. Yang, J. Gao, and J. Zhou, “Effect of Oils on SBS Modified Asphalt: Rheological Characteristics and Oxidation Aging,” J. Renew. Mater., vol. 11, no. 3, pp. 1339-1351, 2023. https://doi.org/10.32604/jrm.2022.023270



cc Copyright © 2023 The Author(s). Published by Tech Science Press.
This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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