水泥混凝土公路填缝材料的耐久性研究  

The Study on Durability of Joint Sealant for Cement Concrete Pavement

作　　者：寿崇琦[1] 尚盼[1] 宋南京[1] 康杰分[1] 娄嵩[1] 徐文超[1] 

机构地区：[1]济南大学化学化工学院,山东济南250022

出　　处：《山东交通科技》2007年第4期32-35,共4页

摘　　要：制备了一种有机硅改性的聚氨酯填缝料,并对其各项性能进行测试,考察其耐久性。结果表明,改性后的聚氨酯填缝料的各项性能均得到了提高,是一种理想的水泥混凝土路面填缝料。a kind of polyurethane joint sealant modified with polysilicone was prepared.Its properties were tested to analyze its durability.The results shows that the properties of polyurethane joint sealant modified with polysilicone have a great improvement.And it is a excellent joint sealant for cement concrete pavement.

关 键 词：有机硅 填缝料 耐久性 剪切疲劳 弹性恢复率 

分 类 号：U418.6[交通运输工程—道路与铁道工程]