Effects of clay on properties of polycarboxylate superplasticizer and solutions

被引：0
|
作者：
Lin Wang
Dongmin Wang
机构：
[1] Beijing University of Civil Engineering and Architecture,School of Civil and Transportation Engineering
[2] China University of Mining and Technology,School of Chemical and Environmental Engineering
来源：
Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2015年 / 30卷
关键词：
clay; polycarboxylate superplasticizer; fluidity; adsorb;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The influence law of clay on mortar fluidity mixed with polycarboxylate superplasticizer was studied. Several methods of inhibiting clay adsorption of polycarboxylate superplasticizer were discussed. The experimental results show that clay has significant effect on the dispersion of polycarboxylate superplasticizer and montmorillonite clay has more significant impact on mortar fluidity than other clays. The pH value and the salts of the solution can affect the adsorption of clay to polycarboxylate superplasticizer. The incorporation of a small amount of sodium hydroxide solution, sodium silicate or cationic surfactants can improve the effect of the clay on the dispersion of polycarboxylate superplasticizer.
引用
收藏
页码：1167 / 1171
页数：4
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