Properties of Aqueous Suspensions of Highly Dispersed Silica in the Presence of Polyvinylpyrrolidone

被引：0
|
作者：
E. V. Goncharuk
S. V. Pakhovchishin
V. I. Zarko
V. M. Gun'ko
机构：
[1] National Academy of Sciences of Ukraine,Institute of Surface Chemistry
来源：
Colloid Journal | 2001年 / 63卷
关键词：
Oxide; Polymer; Rheological Property; Aqueous Suspension; Polyvinylpyrrolidone;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The effect of polyvinylpyrrolidone (PVP) on stability, rheological, electrokinetic and electrophysical properties of aqueous dispersions of A-300 pyrogenic silica was studied. The suspensions were shown to be most stable at PVP concentrations in the range from 0.12 to 0.24 wt % that was provided by structure-related mechanical factors. In the presence of PVP, the value of ζ-potential decreases, the ac conductivity increases, and rheological properties vary similarly to variations of oxide dispersity.
引用
收藏
页码：283 / 289
页数：6
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