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酚醛树脂改性沥青及其混合料的研究

Investigation of Phenolic Resin-Modified Asphalt and Its Mixtures.

作者信息

Wang Lieguang, Wang Lei, Huang Junxian, Wu Mingfei, Yan Kezhen, Zhang Zirui

机构信息

Zhejiang East China Engineering Consulting Co., Ltd., Hangzhou 310030, China.

School of Civil Engineering, Hunan University, Changsha 410082, China.

出版信息

Materials (Basel). 2024 Jan 16;17(2):436. doi: 10.3390/ma17020436.

DOI:10.3390/ma17020436
PMID:38255604
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10817441/
Abstract

This study comprehensively examines the influence of phenol-formaldehyde resin (PF) on the performance of base asphalt and its mixtures for road applications, emphasizing its innovative use in enhancing pavement quality. Optimal PF content was determined through the evaluation of standard indicators and rotational viscosity. In-depth analyses of PF-modified asphalt's high- and low-temperature rheological properties and viscoelastic behavior were conducted using dynamic shear rheometers and bending beam rheometers. Aging resistance was assessed through short-term aging and performance grade (PG) grading. Moreover, Marshall and water stability tests were performed on PF-modified asphalt mixtures. Findings indicate that the uniform dispersion of PF particles effectively inhibits asphalt flow at high temperatures, impedes oxygen penetration, and delays the transition from elasticity to viscosity. These unique properties enhance the high-temperature stability, rutting resistance, and aging resistance of PF-modified asphalt. However, under extremely low temperatures, PF's brittleness may impact asphalt flexibility. Nonetheless, the structural advantages of PF-modified asphalt, such as improved mixture density and stability, contribute to enhanced high-temperature performance, water stability, adhesion, and freeze-thaw cycle stability. This research demonstrates the feasibility and effectiveness of using PF to enhance the overall performance of base asphalt and asphalt mixtures for road construction.

摘要

本研究全面考察了酚醛树脂（PF）对道路用基质沥青及其混合料性能的影响，重点关注其在提升路面质量方面的创新应用。通过对标准指标和旋转粘度的评估确定了最佳PF含量。使用动态剪切流变仪和弯曲梁流变仪对PF改性沥青的高低温流变性能和粘弹性行为进行了深入分析。通过短期老化和性能等级（PG）分级评估了抗老化性能。此外，对PF改性沥青混合料进行了马歇尔试验和水稳定性试验。研究结果表明，PF颗粒的均匀分散有效抑制了高温下沥青的流动，阻碍了氧气渗透，并延缓了从弹性到粘性的转变。这些独特性能增强了PF改性沥青的高温稳定性、抗车辙性能和抗老化性能。然而，在极低温度下，PF的脆性可能会影响沥青的柔韧性。尽管如此，PF改性沥青的结构优势，如提高混合料密度和稳定性，有助于提升高温性能、水稳定性、粘附性和冻融循环稳定性。本研究证明了使用PF提升道路建设中基质沥青和沥青混合料整体性能的可行性和有效性。

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本文引用的文献

1
Evaluating the High-Temperature Properties and Reaction Mechanism of Terminal Blend Rubber/Nano Silica Composite Modified Asphalt Using Activated Rubber.使用活性橡胶评估端混橡胶/纳米二氧化硅复合改性沥青的高温性能及反应机理
Nanomaterials (Basel). 2022 Dec 9;12(24):4388. doi: 10.3390/nano12244388.
2
Performance Evaluation of Warm Asphalt Mixtures Containing Chemical Additive and Effect of Incorporating High Reclaimed Asphalt Content.含化学添加剂温拌沥青混合料的性能评估及高再生沥青含量掺入的影响
Materials (Basel). 2021 Jul 7;14(14):3793. doi: 10.3390/ma14143793.
3
Effect of Phenolic Resin on the Rheological and Morphological Characteristics of Styrene-Butadiene Rubber-Modified Asphalt.
酚醛树脂对丁苯橡胶改性沥青流变和形态特性的影响
Materials (Basel). 2020 Dec 21;13(24):5836. doi: 10.3390/ma13245836.
4
A review of the fundamentals of polymer-modified asphalts: Asphalt/polymer interactions and principles of compatibility.聚合物改性沥青基础综述：沥青/聚合物相互作用及相容性原理。
Adv Colloid Interface Sci. 2015 Oct;224:72-112. doi: 10.1016/j.cis.2015.07.010. Epub 2015 Aug 1.