Study on Microstructures of Polycarboxylate-type Superplasticizers with Different Side Chains
Polycarboxylate-type superplasticizers with different side chains and approximative degree of polymerization are synthesized.The microstructures of Polycarboxylate-type superplasticizers in water are studied by fluorescent probe technique,dynamic light scattering (DLS),transmission electron microscopy (TEM) and the self-assembly technique.The results indicate that the formation of hydrophobic microenvironment in PC solution is confirmed.The higher the ratio of long side chains of PC,the stronger the hydrophobic microenvironment formed in PC solution.The Z-Average diameters of aggregation formed in PC solution increase with the increasing of long side chains content.In addition,the size and shape of aggregation is not of uniform distribution,and the reason for this is that association interaction of hydrogen bonding occurs among PC molecules or in the interior of single PC molecule.
Polycarboxylate-Type Superplasticizer Aggregate Microstructure Self-assembly
Xiongyi Peng Conghua Yi Qianqian Tang Xueqing Qiu
School of Chemistry and Chemical Engineering, Wuhan Textile University, Wuhan, Peoples Republic of School of Chemistry and Chemical Engineering, State Key Lab of Pulp & Paper Engineering,South China
国际会议
广州
英文
640-644
2012-11-16（万方平台首次上网日期，不代表论文的发表时间）