The role of thermodynamics and kinetics in rubber–bitumen systems: a theoretical overview

Haopeng Wang; Panos Apostolidis; Jiqing Zhu; Xueyan Liu; Athanasios Skarpas; Sandra Erkens

doi:10.1080/10298436.2020.1724289

The role of thermodynamics and kinetics in rubber–bitumen systems: a theoretical overview

Haopeng Wang, Panos Apostolidis, Jiqing Zhu, Xueyan Liu, Athanasios Skarpas, Sandra Erkens

Civil & Environmental Engineering

Research output: Contribution to journal › Article › peer-review

78 Scopus citations

Abstract

Waste tire rubber has been incorporated into asphalt modification for decades due to its various benefits. There are two main mechanisms during bitumen–rubber interaction: rubber swelling and chemical degradation. This study surveys these two processes from the viewpoint of polymer science. The kinetics of rubber dissolution and thermodynamics of rubber swelling are discussed to provide a fundamental understanding of the interaction process and to demonstrate how optimisation of material selection and processing procedures can lead to the desired binder properties. Factors including the interaction conditions and raw material characteristics are analysed based on the previous theories and compared with experimental results.

Original language	British English
Pages (from-to)	1785-1800
Number of pages	16
Journal	International Journal of Pavement Engineering
Volume	22
Issue number	14
DOIs	https://doi.org/10.1080/10298436.2020.1724289
State	Published - 2021

Keywords

chemical degradation
Crumb rubber modified bitumen
diffusion
solubility
swelling
thermodynamics

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10.1080/10298436.2020.1724289

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abstract = "Waste tire rubber has been incorporated into asphalt modification for decades due to its various benefits. There are two main mechanisms during bitumen–rubber interaction: rubber swelling and chemical degradation. This study surveys these two processes from the viewpoint of polymer science. The kinetics of rubber dissolution and thermodynamics of rubber swelling are discussed to provide a fundamental understanding of the interaction process and to demonstrate how optimisation of material selection and processing procedures can lead to the desired binder properties. Factors including the interaction conditions and raw material characteristics are analysed based on the previous theories and compared with experimental results.",

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AU - Apostolidis, Panos

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AU - Liu, Xueyan

AU - Skarpas, Athanasios

AU - Erkens, Sandra

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N2 - Waste tire rubber has been incorporated into asphalt modification for decades due to its various benefits. There are two main mechanisms during bitumen–rubber interaction: rubber swelling and chemical degradation. This study surveys these two processes from the viewpoint of polymer science. The kinetics of rubber dissolution and thermodynamics of rubber swelling are discussed to provide a fundamental understanding of the interaction process and to demonstrate how optimisation of material selection and processing procedures can lead to the desired binder properties. Factors including the interaction conditions and raw material characteristics are analysed based on the previous theories and compared with experimental results.

AB - Waste tire rubber has been incorporated into asphalt modification for decades due to its various benefits. There are two main mechanisms during bitumen–rubber interaction: rubber swelling and chemical degradation. This study surveys these two processes from the viewpoint of polymer science. The kinetics of rubber dissolution and thermodynamics of rubber swelling are discussed to provide a fundamental understanding of the interaction process and to demonstrate how optimisation of material selection and processing procedures can lead to the desired binder properties. Factors including the interaction conditions and raw material characteristics are analysed based on the previous theories and compared with experimental results.

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The role of thermodynamics and kinetics in rubber–bitumen systems: a theoretical overview

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