Utilization of Nanocenospheres a waste material to improve the physical and rheological properties of SBS asphalt binders

Aziz, Gowhar; Ahmad, Abdullah; Muslim Ansari, Md.

doi:10.1016/j.fuel.2024.132378

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Cited by 3 publications

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Effective optimization method of asphalt binders and asphalt mixtures based on the two-parameter of contraction and relaxation

Sun,

Han,

et al. 2024

Construction and Building Materials

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Effective optimization method of asphalt binders and asphalt mixtures based on the two-parameter of contraction and relaxation

Sun,

Han,

et al. 2024

Construction and Building Materials

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Evaluation of physical and rheological properties of polymerized soft-grade bitumen binders

Gurjar,

Aziz,

Ravi

et al. 2025

Fuel

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Achieving lower temperature modification and its mechanism of SBS modified asphalt based on pre-swelling/extraction process and compositing with C9 petroleum resin

Chen,

Fan,

et al. 2024

Preprint

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Achieving lower temperature modification of SBS modified asphalt is of vital significance in energy conservation and carbon emission reduction. The compatibility between styrene-butadiene-styrene (SBS) and base asphalt is a crucial factor for the excellent performance of SBS modified asphalt (SBSMA), however the compatibility improvement under lower temperature faces challenges and its modification mechanism has little scientific backing. In this study, SBS was firstly pretreated with naphthenic oil as swelling agent and petroleum ether as extractant to prepare pre-swelling SBS (npSBS), and the effects of SBS pre-swelling/extraction process combined with C9 petroleum resin on the conventional properties, compatibility, rheological and thermodynamic properties of SBSMA prepared at a lower shear temperature (150 ℃) were studied by physical properties, storage stability, DSR, MSCR and DSC characterization. The results demonstrated that SBS pre-swelling/extraction treatment improved the low temperature performance as well as compatibility of SBSMA while reduced its high temperature performance. However, C9 petroleum resin could effectively compensate for the loss of high temperature and rutting resistance performance. The comprehensive performance of npSBS modified asphalt incorporating 6 wt% C9 petroleum resin prepared at 150℃ is comparative with SBSMA prepared at 180 ℃. The pre-swelling/extraction process combined with C9 resin has synergistic effect in improving the compatibility of SBS in modified asphalt under lower modification temperature. This work provides a feasible strategy for environmentally benign and low-carbon modification of SBSMA.

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Utilization of Nanocenospheres a waste material to improve the physical and rheological properties of SBS asphalt binders

Cited by 3 publications

References 44 publications

Effective optimization method of asphalt binders and asphalt mixtures based on the two-parameter of contraction and relaxation

Effective optimization method of asphalt binders and asphalt mixtures based on the two-parameter of contraction and relaxation

Evaluation of physical and rheological properties of polymerized soft-grade bitumen binders

Achieving lower temperature modification and its mechanism of SBS modified asphalt based on pre-swelling/extraction process and compositing with C9 petroleum resin

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