Evaluation of Poly 2-Hydroxyethyl Methacrylate-Modified Bitumen Aging Using NMR and FTIR Techniques

被引：7

作者：

Khavandi Khiavi, Alireza ^{[1
]}

Ghanbari, Ali ^{[2
]}

Ahmadi, Ebrahim ^{[3
]}

机构：

[1] Univ Zanjan, Fac Engn, Dept Civil Engn, Zanjan 4537138791, Iran

[2] Univ Zanjan, Dept Civil Engn, Zanjan 4537138791, Iran

[3] Univ Zanjan, Dept Chem, Fac Sci, Zanjan 4537138791, Iran

来源：

JOURNAL OF TRANSPORTATION ENGINEERING PART B-PAVEMENTS | 2021年 / 147卷 / 01期

关键词：

Aging; Chemical structure; Modified bitumen; Poly 2-hydroxyethyl methacrylate; RHEOLOGICAL PROPERTIES; REDOX POLYMERIZATION; ASPHALT BINDERS; PHEMA; HYDROGEL; SURFACE; HEMA; DEGRADATION; ADSORPTION; CHEMISTRY;

D O I：

10.1061/JPEODX.0000228

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The aging of bitumen occurs during heating of bitumen and production, storage, transport, laying, and compaction of hot mix asphalt and asphalt pavement serviceability time. This study investigated the effect of poly 2-hydroxyethyl methacrylate (PHEMA) with different percentages (3%, 5%, and 7% by weight) on the aging of pure bitumen. The rolling thin film oven (RTFO) and a pressure aging vessel (PAV) tests were used to prepare short- and long-term aged bitumen. The physical and chemical structure of aged bitumen samples was investigated using softening point test, Fourier transform infrared spectroscopy (FTIR), and nuclear magnetic resonance (NMR) techniques. The result shows the PHEMA delays aging and thus decreases the aging indexes of bitumen.

引用

页数：11

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