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Rejuvenation performance and microscopic mechanisms of aged asphalt using a co-pyrolysis rejuvenator derived from waste polypropylene and coking gas oil

delete2026-08-13
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PRE
AI
J
Jianghui Liang
Z
Zhenya Yang
J
Jiangcai Chen
J
Jiacong He
D
Denghui Ren
D
Daijie Bin
X
Xiaowen Wang
J
Jie Chen
J
Jing Li *
DOI：10.1016/j.conbuildmat.2026.147744delete
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Abstract

Abstract

En 中文
• PP/CGO co-pyrolysis produced higher-yield CPO for aged asphalt rejuvenation. • CPO outperformed PPO/CGO by reducing aging indices and redispersing asphaltenes. • CPO-5:3 at 8 wt% gave the best yield and rejuvenation performance. • CPO restored aged asphalt to VA-like properties with improved UV-aging resistance. • CPO restored asphalt–aggregate interfacial thermodynamic stability to VA-like levels or better.

Journal

Construction and Building Materials cover
Construction and Building Materials
IF:
8
Papers:
4.4W
Citations:
27.9W

Organization

G
guangxi transportation science and technology group co, ltd
Scholars:
2
Papers: 1
Citations: 0
G
guangxi university
Scholars:
3.2W
Papers: 1.8W
Citations: 25
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