Effect of SBS/SBR/component molecular compatibility on anti-aging properties for asphalt binder

Yu, Tengjiang; He, Wenzheng; Shao, Hu; Li, Jiting

doi:10.1080/01694243.2024.2317037

Journal of Adhesion Science and Technology

2024

DOI: 10.1080/01694243.2024.2317037

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Effect of SBS/SBR/component molecular compatibility on anti-aging properties for asphalt binder

Tengjiang Yu,

Wenzheng He,

Hu Shao

et al.

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2024

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Cited by 3 publications

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Effect of nano-modified EVA on the physical and rheological characteristics of SBR modified asphalt binder

Li,

Jing,

Zheng

et al. 2024

Construction and Building Materials

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Effect of nano-modified EVA on the physical and rheological characteristics of SBR modified asphalt binder

Li,

Jing,

Zheng

et al. 2024

Construction and Building Materials

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Evolution in thermal storage stability of SBS-polymer modified asphalt induced by differences in microscopic characteristics of base asphalt

Liu,

Wang

et al. 2024

Journal of Adhesion Science and Technology

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Anti-Aging Performance and Action Mechanism of Asphalt Modified by Composite Modification

Liu,

Sun,

et al. 2024

Applied Sciences

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In order to evaluate the effect and mechanism of composite modifiers on the anti-aging property of asphalt, this study selected hydrotalcite and ultraviolet absorber as anti-aging modifiers to prepare different types of modified asphalt and carry out ultraviolet aging treatment. The effects of composite modification on the physical and rheological properties of asphalt under ultraviolet aging conditions were studied by three indices and by dynamic shear rheometer. The distribution and interaction characteristics of composite modifiers in asphalt matrix were analyzed by scanning electron microscopy (SEM) and energy dispersion spectroscopy (EDS). Fourier transform infrared spectroscopy (FTIR) was used to analyze the changes in functional groups and characteristic parameters in the compound modified asphalt. Based on this, a molecular dynamics model of the compound modified asphalt was constructed, and the changes in solubility parameters, free volume, and mean azimuth shift were analyzed. The results show that the addition of the compound modifier can significantly improve the UV aging resistance of asphalt, mainly by controlling the asphalt components and characteristic functional groups, and the good compatibility between the modifier and asphalt ensures the modification effect.

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Effect of SBS/SBR/component molecular compatibility on anti-aging properties for asphalt binder

Cited by 3 publications

References 30 publications

Effect of nano-modified EVA on the physical and rheological characteristics of SBR modified asphalt binder

Effect of nano-modified EVA on the physical and rheological characteristics of SBR modified asphalt binder

Evolution in thermal storage stability of SBS-polymer modified asphalt induced by differences in microscopic characteristics of base asphalt

Anti-Aging Performance and Action Mechanism of Asphalt Modified by Composite Modification

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