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Effect of Recycling Agents on Rheological and Micromechanical Properties of SBS-Modified Asphalt Binders
Joint Authors
Guo, Meng
Li, Yafei
Tan, Yiqiu
Luo, Daisong
Farooq, Asim
Mo, Liantong
Jiao, Yubo
Source
Advances in Materials Science and Engineering
Issue
Vol. 2018, Issue 2018 (31 Dec. 2018), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2018-12-30
Country of Publication
Egypt
No. of Pages
12
Abstract EN
Individual effect of aging and rejuvenator recycling on basic properties of asphalt is readily recognized, but there is only limited understanding about whether the recycling of SBS- (styrene-butadiene-styrene-) modified asphalt is an inverse process of aging or not.
To compare the effects of aging and rejuvenator on microproperties and molecular composition of SBS-modified asphalt, comprehensive performance tests and physical-chemistry experiments were conducted.
The results of infrared spectroscopy tests demonstrate that the reticular crosslinking structure of asphalt was destroyed and SBS’s modification effect was gradually lost after aging.
This can cause the strengthening of high-temperature performance and reduction of the low-temperature anticrack property of SBS-modified asphalt.
Scanning electron microscope shows that the island structure of SBS-modified asphalt disappeared after aging.
Energy spectrum analysis shows that the C (carbon) content of aged SBS-modified asphalt has decreased, while the O (oxygen) content and S (sulfur) content have increased obviously.
Results of the fluorescence microscope, SEM, and rheological tests show that the epoxy functional group compounds of aliphatic glycidyl ether resin had high reactivity; the triblock molecular structure of SBS and the mechanical performance of SBS-modified asphalt were recovered.
American Psychological Association (APA)
Guo, Meng& Tan, Yiqiu& Luo, Daisong& Li, Yafei& Farooq, Asim& Mo, Liantong…[et al.]. 2018. Effect of Recycling Agents on Rheological and Micromechanical Properties of SBS-Modified Asphalt Binders. Advances in Materials Science and Engineering،Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1121118
Modern Language Association (MLA)
Guo, Meng…[et al.]. Effect of Recycling Agents on Rheological and Micromechanical Properties of SBS-Modified Asphalt Binders. Advances in Materials Science and Engineering No. 2018 (2018), pp.1-12.
https://search.emarefa.net/detail/BIM-1121118
American Medical Association (AMA)
Guo, Meng& Tan, Yiqiu& Luo, Daisong& Li, Yafei& Farooq, Asim& Mo, Liantong…[et al.]. Effect of Recycling Agents on Rheological and Micromechanical Properties of SBS-Modified Asphalt Binders. Advances in Materials Science and Engineering. 2018. Vol. 2018, no. 2018, pp.1-12.
https://search.emarefa.net/detail/BIM-1121118
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1121118