水化硅酸钙(C—S—H)的研究及应用现状

Research and application status of calcium silicate hydrate(C—S—H)

总结了单矿水化法、火山灰反应法、溶胶-凝胶法、溶液法以及化学沉淀法等人工合成C—S—H的方法;归纳了常用的研究C—S—H组成、结构等的表征技术和模拟研究方法;分析了外掺离子对C—S—H结构和性能的影响;阐述了目前人工合成C—S—H应用现状,主要为直接应用于建材领域和水处理、陶瓷增韧等领域中。对C—S—H研究存在的主要问题进行了总结,对后续的研究进行了展望,为后续C—S—H的深入研究提供有效信息。

The methods of artificial synthesis of C—S—H including single mineral hydration method,fly ash reaction method,sol-gel method,solution method,and chemical precipitation method were summarized.The commonly used characterization techniques and simulation research methods for studying the composition and structure of C—S—H were summarized.The effects of external doping ions on the structure and properties of C—S—H are analyzed.The current applications of artificially synthesized C—S—H are mainly in the field of building materials,water treatment,ceramic toughening,etc.The paper summarized the main problems in C—S—H research and provided prospects for future research,aiming to provide effective information for further in-depth study of C—S—H.