本文介绍了混凝土减缩剂的研究现状,讨论了目前减缩剂的制备方法,探讨了单一减缩剂到多组分减缩剂的发展过程,从合成方法、单体选择和分子结构等方面对减缩剂和减缩型聚羧酸减水剂进行了概述,提出了关于减缩剂的研究与应用前景展望。 This paper introduces the research status of concrete shrinkage reducing agents, discusses the preparation methods of shrinkage reducing agents, discusses the development process of single shrinkage reducing agents to multi-component shrinkage reducing agents, and reviews the synthesis methods, monomer selection and molecular structure, Shrinkage polycarboxylate superplasticizer were summarized, put forward on the shrinkage agent research and application prospects.