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Volume 16
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10.3390/ma16247601
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Article

Research on the Adhesion Properties of Fast-Melting SBS-Modified Asphalt–Aggregate Based on Surface Free Energy Theory

by
Bo Men
1,
Fei Guo
2,
Xiaolong Kang
2 and
Jinchao Yue
2,*
1
Henan Xuxin Expressway Co., Ltd., Zhumadian 463000, China
2
School of Water Conservancy and Transportation, Zhengzhou University, Zhengzhou 450001, China
*
Author to whom correspondence should be addressed.
Materials 2023, 16(24), 7601; https://doi.org/10.3390/ma16247601
Submission received: 9 October 2023 / Revised: 17 November 2023 / Accepted: 8 December 2023 / Published: 11 December 2023
(This article belongs to the Section Construction and Building Materials)
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Abstract

In order to study the adhesion properties of fast-melting SBS-modified asphalt (SBS-T) at the interface with aggregates, the contact angles of three dosages of SBS-T asphalt with three liquids (distilled water, glycerol, and formamide) were determined by the sessile drop method based on surface free energy theory. The evaluation indexes such as cohesion, asphalt–aggregate adhesion, stripping work and energy ratio of the asphalt were analyzed and the adhesion properties of the asphalt–aggregate system were investigated with the help of micromechanical methods. The results indicate that SBS-T can improve the adhesion properties of the asphalt. Furthermore, as the dosage of the modifier increases, the cohesion work, adhesion work, and energy ratio of the SBS-T asphalt exhibit a similar rise. As the spalling work reduces and the adhesion between asphalt and aggregate improves, it is noteworthy that the SBS-T asphalt–aggregate system exhibits superior adhesion performance compared to the SBS-modified asphalt–aggregate system, despite the same dosage.
Keywords: fast-melting SBS modifier; surface free energy; cohesion work; adhesion work; stripping work; energy ratio fast-melting SBS modifier; surface free energy; cohesion work; adhesion work; stripping work; energy ratio

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MDPI and ACS Style

Men, B.; Guo, F.; Kang, X.; Yue, J. Research on the Adhesion Properties of Fast-Melting SBS-Modified Asphalt–Aggregate Based on Surface Free Energy Theory. Materials 2023, 16, 7601. https://doi.org/10.3390/ma16247601

AMA Style

Men B, Guo F, Kang X, Yue J. Research on the Adhesion Properties of Fast-Melting SBS-Modified Asphalt–Aggregate Based on Surface Free Energy Theory. Materials. 2023; 16(24):7601. https://doi.org/10.3390/ma16247601

Chicago/Turabian Style

Men, Bo, Fei Guo, Xiaolong Kang, and Jinchao Yue. 2023. "Research on the Adhesion Properties of Fast-Melting SBS-Modified Asphalt–Aggregate Based on Surface Free Energy Theory" Materials 16, no. 24: 7601. https://doi.org/10.3390/ma16247601

APA Style

Men, B., Guo, F., Kang, X., & Yue, J. (2023). Research on the Adhesion Properties of Fast-Melting SBS-Modified Asphalt–Aggregate Based on Surface Free Energy Theory. Materials, 16(24), 7601. https://doi.org/10.3390/ma16247601

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