Aggregation stability of colloidal silica sol-polystyrene latex mixtures

被引：0
|
作者：
Shabanova, N.A. [1 ]
Yui Tsun-sin, T.I. [1 ]
Musabekov, K.B. [1 ]
机构：
[1] Univ. of Chemical Technology, Miusskaya pl. 9, Moscow, 125190, Russia
来源：
Kolloidnyj Zhurnal | 2001年 / 63卷 / 05期
关键词：
Agglomeration; -; Electrolytes; Latexes; pH; Polystyrenes; Silica;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The aggregation stability of silica hydrosol in the presence of polystyrene latex was studied. Electrolytes added to the system were demonstrated to promote the heteroadagulation of silica particles on the surface of polystyrene globules. Moreover, the aggregation stability of the mixed dispersion increased in an acidic region (heteroadagulation stabilization), but decreased in an alkaline region. It was disclosed that the formation of heteroadagulation complex particles in the acidic region did not decrease the sedimentation stability of the mixed dispersion and was accompanied by a decrease in its optical density.
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页码：711 / 714
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