通过自由基接枝聚合反应合成得到聚羧酸,一般依据所使用到大单体的种类,将其划分为酯类和醚类。本文主要研究了不同组成和不同掺量下两类聚羧酸在自密实混凝土中的应用。实验结果表明,在给定配合比和原材料的前提下,自密实混凝土良好的工作性,可以通过简单的调整聚羧酸的种类和掺量来实现。 The polycarboxylic acid is synthesized by free radical graft polymerization, which is generally classified into esters and ethers based on the type of macromonomer used. This paper mainly studies the application of two kinds of polycarboxylic acids in self-compacting concrete under different compositions and different dosage. The experimental results show that the good workability of self-compacting concrete can be achieved by simply adjusting the type and content of polycarboxylic acid, given the blending ratio and raw materials.