废弃聚乙烯改性剂改性沥青研究及其应用技术进展

›› 2024, Vol. 38 ›› Issue (7): 93-99.

废弃聚乙烯改性剂改性沥青研究及其应用技术进展

赵永飞¹,张文才²,王科²,郝晓刚²,申峻²,杨喜英³,赵丽荣³,李建红³,赵志新⁴,乔杰⁵

1. 喜跃发国际环保新材料股份有限公司
2. 太原理工大学
3. 山西工程科技职业大学
4. 阳泉太旧博特道路养护工程有限公司
5. 山西省公路局晋中分局

收稿日期:2024-03-09 修回日期:2024-03-28 出版日期:2024-07-26 发布日期:2024-07-26
基金资助:
先进冷再生、聚合物改性沥青关键技术研究;rPE功能化改性沥青相容性及其机理研究

Research progress in application technology of waste polyethylene-modified asphalt

Received:2024-03-09 Revised:2024-03-28 Online:2024-07-26 Published:2024-07-26

摘要/Abstract

摘要： 综述了近年来废弃聚乙烯（WPE）改性基质沥青研究进展及应用现状。WPE是全球废弃塑料占比最大的固废材料，其在沥青中的研究及其应用具有重要意义。目前，相关研究大都集中在WPE改性沥青性能及其对性能变化进行微观表征、分析验证。有关研究结果表明，WPE改性沥青储存高温稳定性差及低温性能存在一定争议，据此，近年来研究人员积极开展WPE与其他聚合复合改性或对WPE进行高温裂化等技术制备改性剂并对改性沥青性能进行分析评价，取得了一定成果，但仍存在制约其推广应用的技术或成本局限。本文最后总体分析了国内目前WPE在改性沥青中应用技术现状，并进一步探讨分析预测了WPE改性沥青今后研究和应用前景。

关键词: 废弃聚乙烯, 改性沥青, 研究, 应用技术, 进展

Abstract: This paper reviewed the research progress and application in waste polyethylene （WPE）-modified asphalt in recent years. WPE is a solid waste material with the largest proportion of waste plastics in the world， and its research and application in asphalt is of great significance. Most of relevant studies focused on the performance of WPE-modified asphalt and its microscopic characterization， analysis， and verification of performance changes. These research results indicated that there were some controversies about the poor storage stability of WPE-modified asphalt in high-temperature and low-temperature performance. Therefore， researchers have actively performed the compounding modification of WPE with other polymers or the high temperature pyrolysis of WPE to prepare modifiers in recent years. They analyzed and evaluated the performance of modified asphalt and achieved certain results； however， there are still technical or cost limitations restricting its popularization and applications. Finally， the application technology of WPE-modified asphalt in China was analyzed， and its future research and application perspectives were discussed and predicted.

Key words: Waste Polyethylene, Modified Asphalt, Research, Application Technology, Progress

赵永飞张文才王科郝晓刚申峻杨喜英赵丽荣李建红赵志新乔杰. 废弃聚乙烯改性剂改性沥青研究及其应用技术进展[J]. , 2024, 38(7): 93-99.

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