聚丙烯酰胺的合成及其改性水泥基材料研究进展  

Research Progress on Synthesis of Polyacrylamide and Its Modified Cement-Based Materials

作　　者：刘松辉 张猗峥 安家宜 管学茂[1,2] LIU Songhui;ZHANG Yizheng;AN Jiayi;GUAN Xuemao(School of Materials Science and Engineering,Henan Polytechnic University,Jiaozuo 454000,China;Henan Key Laboratory of Materials on Deep-Earth Engineering,Jiaozuo 454000,China)

机构地区：[1]河南理工大学材料科学与工程学院,焦作454000 [2]河南省深地材料科学与技术重点实验室,焦作454000

出　　处：《硅酸盐通报》2024年第12期4285-4294,共10页Bulletin of the Chinese Ceramic Society

基　　金：国家自然科学基金(52108208,U1905216);河南省科技攻关项目(211110231400,212102310559);绿色建材国家重点实验室开放课题(2021GBM06);河南理工大学项目(J2023-6,T2023-5)。

摘　　要：水泥基材料作为建筑和工程领域的重要建筑材料,在长期应用过程中面临着诸多挑战,例如易开裂和易被溶液渗透等问题。为了解决传统水泥基材料高脆性和易开裂的问题,聚丙烯酰胺(PAM)改性技术成为备受关注的解决方案。本文系统地总结了PAM改性水泥基材料的研究进展,包括PAM的结构与性质、合成单体与方法及其在水泥基材料中的应用等;探讨了PAM对水泥基材料的影响,包括力学性能、耐久性、渗透性以及对微观结构的调控作用,并总结了PAM改性机理;强调了PAM改性水泥基材料的重要性和潜在价值。然而,目前仍需克服一些挑战,进一步加强研究和探索。为此未来的研究方向应致力于优化PAM改性技术和拓展应用领域等。综上所述,PAM改性水泥基材料具有重要的研究价值和应用前景,值得进一步深入探讨。Cement-based materials,as important building materials in construction and engineering,face a number of challenges during long-term application,such as easy cracking and easy penetration by solution.In order to solve the problems of high brittleness and susceptibility to cracking of traditional cement-based materials,polyacrylamide(PAM)modification technology has become a solution of great interest.The research progress of PAM modified cement-based materials was summarized systematically,including the structure and properties of PAM,synthetic monomers and methods,and applications in cement-based materials.The effect of PAM on cement-based materials,including mechanical properties,durability,permeability,and modulation of microstructure was discussed,and the mechanism of PAM modification was summarized.The importance and potential value of PAM-modified cement-based materials were emphasized.However,there are still some challenges to be overcome to further enhance the research and exploration.For this reason the future research direction should be devoted to optimizing PAM modification technology and expanding application areas,etc.In summary,PAM-modified cement-based materials have important research value and application prospects,which deserve further in-depth exploration.

关 键 词：聚丙烯酰胺 水泥基材料 力学性能 改性技术 改性机理 

分 类 号：TQ172[化学工程—水泥工业]