固化剂掺量对二阶树脂粘结剂性能的影响研究  

Study on the influence of Curing Agent on the Properties of Two-stage Process Resin Adhesive Binder

作　　者：李洋 虞浩 司晶晶 LI Yang;YU Hao(College of Civil Transportation Engineering,Hohai University,Nanjing 210098,China)

机构地区：[1]河海大学土木与交通学院,南京210098

出　　处：《武汉理工大学学报（交通科学与工程版）》2020年第6期1067-1071,共5页Journal of Wuhan University of Technology（Transportation Science & Engineering）

基　　金：国家自然科学基金项目(52008156);中央高校基本科研业务费项目(B200202069)。

摘　　要：针对钢桥面铺装过程中树脂粘结剂与钢板拉拔强度不足的问题,通过控制固化剂掺量,设计不同理论固化度的粘结剂体系,采用拉拔实验、高温老化处理,以及热重(TG)分析方式,研究不同固化剂掺量对钢桥面二阶反应树脂粘结剂性能的影响,并与常规树脂粘结剂的性能进行对比.实验结果表明:在理论固化度为70%时,二阶反应树脂粘结剂的粘结性能和耐高温性能最佳,且粘结性能、耐高温性能,以及热稳定性能均优于常规树脂粘结剂;在25,45和70℃条件下,二阶反应树脂粘结剂与钢桥面板的拉拔强度分别为12.55,10.79和2.79 MPa,满足钢桥面在中、高温度的环境的粘结性能要求.Aiming at the problem of insufficient drawing strength between resin binder and steel plate in the process of steel deck pavement,binder systems with different theoretical curing degrees were designed by controlling the amount of curing agent.By means of drawing test,high temperature aging treatment and thermogravimetry(TG)analysis,the influence of different curing agent content on the properties of two-stage reaction resin binder for steel bridge deck was studied,and the properties were compared with those of conventional resin binder.The experimental results show that when the theoretical curing degree is 70%,the bonding performance and high temperature resistance of the two-stage reaction resin binder are the best,and the bonding performance,high temperature resistance and thermal stability are better than those of the conventional resin binder.At 25℃,45℃and 70℃,the pull-out strengths of the two-stage reactive resin binder and steel bridge deck are 12.55 MPa,10.79 MPa and 2.79 MPa,respectively,which meet the bonding performance requirements of steel bridge deck in medium and high temperature environment.

关 键 词：理论固化度 二阶反应 粘结剂 性能 

分 类 号：U414[交通运输工程—道路与铁道工程]