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Rheological analysis of bitumen modified by reclaim rubber pyrolytic oil residue

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Heavy fraction pyrolytic oil of waste tire reclaim rubber vacuum pyrolysed at 600 °C (HR6) was produced. Then, it was considered as a rheological modifier for road bitumen. Addition of HR6 to bitumen was increased penetration and decreased softening point. Rutting temperature and temperature susceptibility of bitumen was improved using this rheological modifier. The bitumen containing 5% of HR6 showed optimum level in comparison to different concentration was used. Ductility of modified bitumen has significantly increased. Rheological behavior of modified samples was studied through static and dynamic tests, which showed good improvement in complex viscosity, modulus and damping factor: respectively. Very good low temperature flexibility observed by bending beam rheometer (BBR) test proposing flexible behavior in winter. Moreover, the aging by rolling thin film oven (RTFO) and storage stability was studied and reported.

PyrolysisPyrolytic oil Reclaim rubberRheologyBitumen

Kayghobad Shams、Hasan Firoozifar、Abbas Kebritchi

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Isfahan University of Technology, Chemical Engineering Department, Isfahan, Iran

Pasargad Oil Company, Research and Developement Center, Tehran, Iran

Iran, Isfahan, Isfahan University of Technology, Chemical Engineering Department, Iran, Tehran, IHU, Chemical Engineering Department, Number 8, Gordan alley, Mina alley, Shahid Bahonar st., P.O. Box

2022

10.1016/j.petrol.2022.110326

Journal of Petroleum Science & Engineering

Journal of Petroleum Science & Engineering

ISSN：0920-4105
年,卷(期)：2022.213
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