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山东大学学报 (工学版) ›› 2024, Vol. 54 ›› Issue (6): 111-120.doi: 10.6040/j.issn.1672-3961.0.2023.299

• 土木工程 • 上一篇    

基于正交设计的废食用油组分基沥青再生剂性能

万贵稳1,潘军凯2,陈美祝3,王雪霞2,张吉哲4*,苏衍岭5   

  1. 1.山东建筑大学材料科学与工程学院, 山东 济南 250101;2.山东东青公路有限公司, 山东 东营 257092;3.武汉理工大学硅酸盐建筑材料国家重点实验室, 湖北 武汉 430070;4.山东大学齐鲁交通学院, 山东 济南 250002;5.菏泽市公路事业发展中心, 山东 菏泽 274000
  • 发布日期:2024-12-26
  • 作者简介:万贵稳(1993— ),女,山东曹县人,实验师,硕士,主要研究方向为道路建筑材料、废旧沥青路面的再生. E-mail: 13964@sdjzu.edu.cn. *通信作者简介:张吉哲(1987— ),男,山东济南人,副研究员,硕士生导师,博士,主要研究方向为沥青混合料细观力学、新型路面材料、废旧路面材料再生利用等. E-mail: jizhe.zhang@sdu.edu.cn
  • 基金资助:
    国家重点研发计划资助项目(2022YFB2603300,2022YFB2603303)

Performance of waste cooking oil-based asphalt rejuvenators based on orthogonal design

WAN Guiwen1, PAN Junkai2, CHEN Meizhu3, WANG Xuexia2, ZHANG Jizhe4*, SU Yanling5   

  1. 1. School of Materials Science and Engineering, Shandong Jianzhu University, Jinan 250101, Shandong, China;
    2. Shandong Dongqing Highway Co., Ltd., Dongying 257092, Shandong, China;
    3. State Key Laboratory of Silicate Materials for Architectures, Wuhan University of Technology, Wuhan 430070, Hubei, China;
    4. School of Qilu Transportation, Shandong University, Jinan 250002, Shandong, China;
    5. Heze Highway Development Center, Heze 274000, Shandong, China)Symbol`@@
  • Published:2024-12-26

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摘要： 针对废食用油来源和质量不稳定等问题,进行基于废食用油组分分离、多组分复合改性沥青再生剂设计与性能调控。采用相对分子量分级技术将废食用油过滤、精馏,获取不同相对分子量的3种组分,并添加增塑剂、增黏树脂、抗老化剂制备废食用油组分基沥青再生剂,通过正交试验确定不同黏度水平再生剂的最优材料配比。对再生剂热稳定性和微观性能及再生沥青的流变性能进行综合分析,结果表明:相对分子量等级是影响再生剂活化能的主要因素,随着相对分子量增大,再生剂热稳定性增强;再生剂的红外特征峰位置一致,峰强度存在一定差异,轻质组分和中质组分再生剂的芳香分特征峰面积是重质组分再生剂的2倍;最佳质量分数下再生沥青的复数模量大于基质沥青,相位角小于基质沥青,再生沥青的流变性能优于基质沥青;再生沥青的低温连续分级温度低于基质沥青,低温连续分级温度随废食用油组分相对分子量的增大而升高。

关键词: 沥青, 废食用油, 再生剂, 热稳定性, 流变性

中图分类号: 

  • U414
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