吉林大学学报(工学版) ›› 2025, Vol. 55 ›› Issue (6): 1834-1853.doi: 10.13229/j.cnki.jdxbgxb.20240796

• 综述 • 上一篇    下一篇

废胶粉改性沥青改性机理、制备及性能研究进展

韦万峰1,2,3(),张洪刚2,3,张仰鹏2,3,杨帆4,唐伯明5,孔令云5()   

  1. 1.重庆交通大学 土木工程学院,重庆 400074
    2.广西交通科学研究院 广西道路结构与材料重点实验室,南宁 530007
    3.交通运输部 高等级公路建设与养护技术、材料及装备交通运输行业研发中心,南宁 530007
    4.同济大学 道路与交通工程教育部重点实验室,上海 201804
    5.重庆交通大学 交通土建工程材料国家地方联合工程实验室,重庆 400074
  • 收稿日期:2024-07-17 出版日期:2025-06-01 发布日期:2025-07-23
  • 通讯作者: 孔令云 E-mail:953944409@qq.com;konglingyun@cqjtu.edu.cn
  • 作者简介:韦万峰(1992-),男,博士研究生.研究方向:道路结构与材料.E-mail:953944409@qq.com
  • 基金资助:
    广西交通运输科技成果推广项目(GXJT-ZDSYS-2023-03-01);广西自然科学基金面上项目(2025GXNSFAA069402);国家自然科学基金项目(51508062);广西重点研发计划项目(桂科AB21220070)

Research progress on modification mechanism, preparation and performance of waste rubber powder modified asphalt

Wan-feng WEI1,2,3(),Hong-gang ZHANG2,3,Yang-peng ZHANG2,3,Fan YANG4,Bo-ming TANG5,Ling-yun KONG5()   

  1. 1.School of Civil Engineering,Chongqing Jiaotong University,Chongqing 400074,China
    2.Guangxi Key Laboratory of Road Structure and Materials,Guangxi Academy of Transportation Sciences,Nanning 530007,China
    3.Research and Development Center on Technologies,Materials and Equipment of High Grade Highway Construction and Maintenance,Ministry of Transport,Nanning 530007,China
    4.Key Laboratory of Road and Traffic Engineering of Ministry of Education,Tongji University,Shanghai 201804,China
    5.National and Local Joint Engineering Laboratory of Transportation Civil Engineering Materials,Chongqing Jiaotong University,Chongqing 400074,China
  • Received:2024-07-17 Online:2025-06-01 Published:2025-07-23
  • Contact: Ling-yun KONG E-mail:953944409@qq.com;konglingyun@cqjtu.edu.cn

摘要:

为了进一步推广废胶粉改性沥青在道路工程中的应用,系统梳理并分析了废胶粉的组成成分及特性,认为废胶粉物理、化学性质对沥青的改性有重要影响,活化可以大幅度提升废胶粉与沥青的相容性;指出了废胶粉对沥青改性是物理-化学双改性的交互作用结果,但废胶粉与沥青内在作用机制不明确;梳理了影响废胶粉改性沥青性能的主要因素,以及活化废胶粉改性沥青及高分子聚合物/废胶粉复合改性沥青性能等方面的研究现状。最后,对废胶粉脱硫活化控制、多源废旧轮胎利用、废胶粉改性内在机理、高分子聚合物对废胶粉改性沥青进行性能补强等方面进行总结和展望,建议包括:①研究废胶粉的工厂化活化方式,注重废胶粉改性沥青性能控制与胶粉适度活化之间的平衡问题;②研究废胶粉-沥青间的相互作用过程及废胶粉改性沥青分子构效关系,揭示废胶粉与沥青内在作用机制;③进一步研究多类型废胶粉与沥青的配伍性;④开发面向多场景应用的橡胶沥青系列产品;⑤深入研究废胶粉改性沥青的老化行为。

关键词: 道路工程, 废胶粉, 沥青, 改性机理, 活化, 制备

Abstract:

In order to further promote the application of waste rubber powder modified asphalt in road engineering, the composition and characteristics of waste rubber powder were systematically sorted and analyzed. It is believed that the physical and chemical properties of waste rubber powder have a significant impact on the modification of asphalt, and activation can greatly improve the compatibility between waste rubber powder and asphalt. It is pointed out that the modification of asphalt by waste rubber powder is the result of physical-chemical dual modification interaction, but the internal mechanism of the interaction between waste rubber powder and asphalt is not clear. The current research status on the main influencing factors of the performance of waste rubber powder modified asphalt, and the performance of activated waste rubber powder modified asphalt and polymer/waste rubber powder composite modified asphalt is sorted out. Finally, a summary and outlook were provided on the desulfurization and activation control of waste rubber powder, the utilization of multi-source waste tires, the modification mechanism of waste rubber powder, and the composite modification of asphalt with polymer/waste rubber powder, suggestions include: ① research on the factory activation method of waste rubber powder, focusing on the balance between the performance of waste rubber powder modified asphalt and the activation of rubber powder; ② study the interaction process between waste rubber powder-asphalt, as well as the molecular structure-activity relationship of waste rubber powder modified asphalt, to reveal the intrinsic mechanism of the interaction between waste rubber powder and asphalt; ③ further research on the compatibility of various types of waste tire rubber powder with asphalt; ④ development of rubber asphalt series products for multi-scenario applications; ⑤ in-depth study on the aging behavior of waste rubber powder modified asphalt.

Key words: road engineering, waste rubber powder, asphalt, modification mechanism, activation, preparation

中图分类号: 

  • U414

图1

废胶粉组成"

图2

废胶粉吸收、溶胀示意图"

图3

废胶粉的溶胀、降解示意图"

图4

废橡胶中释放出的纳米结构炭黑"

图5

PE、IE对沥青性能的提升"

图6

橡胶网络结构断裂过程"

表1

路用废胶粉的物理指标要求"

性能筛余物/%相对密度含水率/%铁含量/%纤维含量/%
指标要求<101.10~1.3<1<0.03<1

表2

路用废胶粉的化学指标要求"

性能灰分/%丙酮抽出油/%炭黑含量/%橡胶烃含量/%溶解度/%
指标要求≤8≤16≥28≥48≥16

图7

常规废胶粉改性沥青的制备工艺流程"

表3

废胶粉活化研究中的典型微波功率和激活时间"

文献微波功率/W激活时间/s
Liang等[68]500300
Xu等[69]1 20012~15
Yin等[70]600150
Li等[71]80090

图8

普通废胶粉和活化废胶粉的扫描电镜图像(500倍)"

图9

热处理活化工艺对废胶粉改性沥青性能影响"

图10

热-力-化学协同活化废胶粉微观形貌(2 500倍)"

图11

高掺量废胶粉改性沥青改性机理及性能"

图12

SBS改性剂对活化废胶粉改性沥青性能影响"

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