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Preparation of aqueous nano-ATO dispersion solution and study on its dispersion stability
作者:Tang Fulong, Zhou Gengbin, Pi Pihui, Wen Xiufang, Cai Zhiqi, Cheng Jiang, Yang Zhuoru*
关键字:nanoscale antimony-doped tin oxide,aqueous dispersion, dispersant, dispersibility, stability
论文来源:期刊
具体来源:Electroplating & Finishing
发表时间:2010年
Three types of aqueous nano-sized antimony- doped tin oxide (ATO) dispersion were prepared by ballmilling, which includes untreated ATO, nonionic highmolecular surfactants modified ATO, and anionic/nonionic surfactants composite modified ATO. The stability of aqueous nano-sized ATO dispersion solution was characterized by zeta potential measurement, laser particle size analysis, transmission electron microscopy (TEM) and steady-state sedimentation experiment. The results indicated that the aqueous ATO dispersion solution modified by the composite dispersant has optimal dispersion stability. When the mass ratio of anionic surfactant to nonionic high molecular surfactant is 1:2 and the amount of composite dispersant is 6% (mass fraction) by ATO, the stability of the aqueous ATO dispersion solution is the best.