高速铁路新型单组分聚氨酯密封胶  

New one-component polyurethane sealant for high-speed railway

作　　者：徐凌雁 高志国 张龙庆 Xu Lingyan;Gao Zhiguo;Zhang Longqing(China Railway Design Corporation,Tianjin 300142,China)

机构地区：[1]中国铁路设计集团有限公司,天津300142

出　　处：《山西建筑》2018年第31期104-106,共3页Shanxi Architecture

摘　　要：为获得一种抗疲劳性好,耐老化的高速铁路用密封胶,从实验、制备工艺、性能测试等方面进行了论述,得到了一种新型单组分聚氨酯密封胶,解决了无砟轨道嵌缝材料抗疲劳性差、耐老化性差等问题。In order to obtain a high-speed railway sealant with good fatigue resistance and aging resistance,the experiment,preparation process and performance test were discussed.A new one-component polyurethane sealant was obtained to solve the problems of poor fatigue resistance and poor aging resistance of the ballastless track sealant.

关 键 词：聚氨酯密封胶 嵌缝材料 抗疲劳性 耐老化 

分 类 号：TQ330[化学工程—橡胶工业]