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Polymers
Special Issues
Polymer Modified Asphalt for Sustainable Pavements
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Polymer Modified Asphalt for Sustainable Pavements

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Applications".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 410

Special Issue Editors

Prof. Dr. Quantao Liu

E-Mail Website
Guest Editor
State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, China
Interests: pavement maintenance; asphalt concrete; self-healing; multi-cavity capsules
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Zhuangzhuang Liu

E-Mail Website
Guest Editor
School of Highway, Chang’an University, Xi’an, China
Interests: road material behavior and engineering resilience; smart road materials and pavements; roadway resource evaluation; environment & traffic monitoring
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Chao Li

E-Mail Website
Guest Editor
School of Civil Engineering, Inner Mongolia University of Technology, Hohhot 010051, China
Interests: sustainable pavement materials; polyphosphoric acid modified asphalt; rubber modified asphalt; PPA-SBS composite modified asphalt

Special Issue Information

Dear Colleagues,

Asphalt pavements are highly preferred in modern road construction due to their numerous advantages. However, the road performance of asphalt pavements is likely to deteriorate rapidly due to traffic load and environmental factors. The increases in traffic volume and vehicle load have put forward higher requirements for pavement materials. Modifying asphalt with polymer materials such as styrene-butadiene-styrene, styrene-butadiene rubber, polyethylene, crumb rubber, and polyurethane, can significantly improve its initial performance and stability during use. Consequently, recent years have witnessed an increasing use of polymer-modified asphalt binders in practical pavement engineering, which successfully improve the road performance and durability of the pavements. Polymer-modified asphalts are also widely used in pavement maintenance. Polymer modifiers are even used during the recycling of polymer-modified asphalt pavement at the end of its life cycle to supplement or to regenerate the degraded polymer modifiers.

Polymer-modified asphalt has great application potential in the construction of sustainable pavements. Numerous research studies are being conducted to further optimize different aspects of polymer-modified asphalt. This Special Issue welcomes articles on polymer-modified asphalt, covering a broad range of topics such as the development of new polymer materials, the performance evaluation of polymer-modified asphalt and asphalt mixtures, and the optimization of the manufacture and properties of polymer-modified asphalt.

Prof. Dr. Quantao Liu
Prof. Dr. Zhuangzhuang Liu
Prof. Dr. Chao Li
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Polymers is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • asphalt pavement
  • sustainable pavement
  • polymer materials
  • cement additive
  • styrene-butadiene-styrene
  • styrene-butadiene rubber
  • polyethylene
  • crumb rubber
  • polyurethane

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Published Papers (1 paper)

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Research

21 pages, 7368 KiB  
Article
Study on the Effect of SBS/HVA/CRM Composite-Modified Asphalt on the Performance of Recycled Asphalt Mixtures
by Haoming Li, Hongkui Wang, Junning Lin, Jiangang Yang and Yuquan Yao
Polymers 2024, 16(22), 3226; https://doi.org/10.3390/polym16223226 - 20 Nov 2024
Viewed by 239
Abstract
To investigate the feasibility of composite modification techniques in improving the performance of recycled asphalt mixtures, in this study, the high-viscosity agent (HVA) and crumb-rubber materials (CRM) were used to modify asphalt with a styrene-butadiene-styrene block copolymer (SBS), in order to prepare SBS-HVA [...] Read more.
To investigate the feasibility of composite modification techniques in improving the performance of recycled asphalt mixtures, in this study, the high-viscosity agent (HVA) and crumb-rubber materials (CRM) were used to modify asphalt with a styrene-butadiene-styrene block copolymer (SBS), in order to prepare SBS-HVA and SBS-CRM composite-modified asphalts. The virgin asphalt mixtures, as well as three asphalt types of recycled asphalt mixtures with 50% reclaimed asphalt pavement (RAP) content, were designed. The optimal asphalt content of the four types of asphalt mixtures was analyzed, and the rutting test, the asphalt bond strength test, the moisture-induced sensitivity test, and the low-temperature cracking resistance test were conducted to investigate the performance of the four types of asphalt mixtures. The results showed that the higher the asphalt kinematic viscosity, the higher the optimum asphalt content of the asphalt mixtures under the same air voids. HVA significantly improves the adhesion between SBS-modified asphalt and aggregate under dry conditions, while SBS-CRM composite-modified asphalt performs similarly to SBS-modified asphalt. Before and after water immersion, the degree of pull-out strength decay between the asphalts and aggregates follows the sequence of SBS-CRM- > SBS- > SBS-HVA-modified asphalts. Additionally, the residual pull-out work follows the sequence of SBS-HVA- > SBS-CRM- > SBS-modified asphalt. SBS-CRM composite-modified asphalt can significantly improve the moisture sensitivity of recycled asphalt mixtures, as well as low-temperature cracking resistance, while SBS-CRM composite-modified asphalt only improves the low-temperature cracking resistance of recycled asphalt mixtures, and does not improve the moisture sensitivity. Based on the results, it is recommended to select the appropriate composite modification method based on the climate and loading conditions, to maximize the value of asphalt, and to achieve sustainable and durable pavement. Full article
(This article belongs to the Special Issue Polymer Modified Asphalt for Sustainable Pavements)
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