大掺量再生低密度聚乙烯塑料改性制备高粘高弹道路沥青及性能  

Preparation Method and Properties of High Viscosity and Elasticity Road Asphalt Modifi ed Recycled Low-density Polyethylene Plastic at a Large Dosage

作　　者：蒋建国 孙天庚 王训芝 王倩倩[1] 侯曙光[1] Jiang Jianguo;Sun Tiangeng;Wang Xunzhi;Wang Qianqian;Hou Shuguang(Nanjing University of Technology,Jiangsu,211816)

机构地区：[1]南京工业大学,江苏211816

出　　处：《当代化工研究》2025年第2期103-105,共3页Modern Chemical Research

基　　金：非金属材料创新中心小额研发类项目“再生塑料对沥青混合料性能的影响及应用研究”(项目编号:2023SFP1-2)。

摘　　要：塑料污染已成为危害全球环境安全主的要问题之一,突破和实现大掺量再生塑料制备高粘高弹改性沥青并规模化利用,具有可观经济和环境效益。通过化学与物理复合改性方法,提升20%掺量再生低密度聚乙烯(LDPE)塑料与基质沥青相容性及储存稳定性,实现高粘高弹道路沥青制备,并通过性能测试评估其路用价值,为再生塑料改性沥青在路面材料中规模化应用提供指导。Plastic pollution has become one of the major issues threatening global environmental security.Breaking through and achieving the preparation of high viscosity and elasticity modified asphalt with a high content of recycled plastic,and then scaling up its utilization,can bring significant economic and environmental benefits.By employing chemical and physical composite modification methods,the compatibility and storage stability between 20%recycled low-density polyethylene(LDPE)plastic and the base asphalt can be improved.This will allow the production of high viscosity and elasticity road asphalt,and its roadworthiness can be evaluated through performance testing in order to provide guidance for the large-scale application of modified asphalt with recycled plastic in road materials.

关 键 词：再生塑料 改性沥青 相容性 储存稳定性 高粘高弹道路沥青 

分 类 号：U414[交通运输工程—道路与铁道工程]