聚羧酸类减水剂的研究现状和发展方向  

Research Status and Development Direction of Polycarboxylate Superplasticizer

作　　者：严捍东[1] 钟国才[2] 

机构地区：[1]华侨大学土木工程学院,福建厦门361021 [2]华侨大学材料科学与工程学院,福建厦门361021

出　　处：《贵州大学学报（自然科学版）》2017年第1期23-28,共6页Journal of Guizhou University:Natural Sciences

基　　金：福建省科技计划重点项目资助(2016H0021)

摘　　要：聚羧酸类减水剂具有低掺量、高减水率、坍落度损失小等优点,是高性能混凝土中不可缺少的组分,是混凝土外加剂研究的热点领域。本文从作用机理、合成工艺和结构参数与性能三个方面阐述聚羧酸类减水剂国内外的研究现状,提出聚羧酸类减水剂研发及推广应用中存在的一些问题和今后值得研究的方向。Polycarboxylate superplasticizer possesses many advantages such as low dosage,high water reducing rate,small slump loss,etc. By the way,it is an indispensable component of high-performance concrete which has become a research hot spot in the field of concrete admixtures. This paper analyses the research status of polycarboxylate superplasticizer domestic and abroad from three aspects including action mechanism,synthesis process,the structure parameters and performance,puts forward some problems of the polycarboxylate superplasticizer development and application,as well as the research direction in the future.

关 键 词：减水剂 聚羧酸类 梳状分子结构 作用机理 制备方法 结构参数与性能 

分 类 号：TQ172.45[化学工程—水泥工业]