混凝土自修复微胶囊壁材的研究现状与进展  

Research Status and Progress of Concrete Self-healing Microcapsule Wall Material

作　　者：赵尚传 李小鹏 王少鹏 ZHAO Shangchuan;LI Xiaopeng;WANG Shaopeng(Bridge&Tunnel Research Centre,Research Institute of Highway Ministry of Transport,Beijing 100089,China)

机构地区：[1]交通运输部公路科学研究所桥梁隧道研究中心,北京100089

出　　处：《材料导报》2020年第S02期201-205,共5页Materials Reports

基　　金：交通运输部公路科学研究所科技创新专项资金项目(2017-A30007);国家重点研发计划(2020YFC1511902)。

摘　　要：随着混凝土自修复微胶囊的发展,囊壁材料的研究取得了较显著的成果。囊壁材料对微胶囊在混凝土中的存活时间和触发效率都有较大的影响,不同类型的囊壁材料对应不同的自修复触发方式。本文根据触发方式将囊壁材料分为物理触发型和化学触发型两类,综合评述了混凝土自修复微胶囊壁材的研究现状与进展;列举了不同触发原理的壁材,并从多角度分析其优缺点;着重介绍了pH和离子触发机理,分析了化学触发优势和应用前景;最后总结并展望了混凝土自修复微胶囊壁材的发展方向,以期为微胶囊壁材研究提供相关参考。W ith the development of self-healing microcapsules for concrete,the research on capsule wall materials has achieved remarkable results.The capsule wall material has a great influence on the survival time and triggering efficiency of microcapsules in concrete.Different types of capsule wall materials correspond to different self-healing triggering methods.In this paper,the capsule wall materials are divided into two types:physical trigger type and chemical trigger type according to the trigger mode.This paper reviews the research both the status and progress of concrete self-healing microcapsule wall materials.The wall materials with different triggering principles are listed,and their advantages and disadvantages are analyzed from multiple angles;the mechanism of pH and ion triggering is emphasized,and the advantages and application prospects of chemical triggering are analyzed.Finally,the development direction of self-healing microcapsule wall material for concrete is summarized and prospected.

关 键 词：自修复 微胶囊 耐久性 混凝土 囊壁材料 

分 类 号：U444[建筑科学—桥梁与隧道工程] TU528.59[交通运输工程—道路与铁道工程]