废橡塑复合改性沥青的研究  

PEROPERTIES OF ASPHALT MODIFIED WITH WASTE RUBBER-PLASTICS COMPOSITE POWDER

作　　者：云庆庆 曹康 陆江银[1] 周蓉[1] 

机构地区：[1]新疆大学石油天然气精细化工教育部重点实验室,乌鲁木齐830046 [2]中国石油新疆油田分公司

出　　处：《石油炼制与化工》2017年第12期83-87,共5页Petroleum Processing and Petrochemicals

基　　金：新疆维吾尔自治区高校科研计划科学研究重点项目(XJEDU2011I06)

摘　　要：以克拉玛依基质沥青为原料、废旧橡胶粉和废旧聚乙烯为改性剂,通过单因素实验对基质沥青进行改性,制备了废橡塑复合改性沥青;采用差示扫描、扫描电镜及红外光谱等手段对制备废橡塑复合改性沥青进行表征。结果表明:制备高储存稳定性改性沥青,改性剂及助剂的最佳添加量(w)为:废胶粉15%、废聚乙烯4%、蒙脱土3%、糠醛精制抽出油2%;助剂的加入使得改性剂与沥青之间的溶胀程度加强,改性剂在沥青中的分散更为均匀。The modified Karamay asphalt was prepared with composite waste rubber-plastic(polyethylene)powders and characterized by thermogravimetry,differential scanning,scanning electron microscopy and infrared spectroscopy techniques.The best formula of modifier was determined through single factor test.The results showed that the best compositions of modifier for preparation of the modified asphalt with excellent storage stability are:wast rubber 15%,wast plastic 4%,and additives MMT3% and extract oil 2%.The addition of additives can enhance the swelling between modifier and asphalt and improve the modifier dispersion in the asphalt even better.

关 键 词：废旧橡胶 聚乙烯 助剂 复合改性沥青 

分 类 号：U414[交通运输工程—道路与铁道工程]