Fumed silica: Rheological additive for adhesives, resins, and paints
Fumed silica: Rheological additive for adhesives, resins, and paints
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DOI：
10.1002/1521-3900(200209)187:1
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发表时间：
2002-09
影响因子：
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通讯作者：
H. Barthel;M. Dreyer;T. Gottschalk-Gaudig;V. Litvinov;E. Nikitina
中科院分区：
文献类型：
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作者：
H. Barthel;M. Dreyer;T. Gottschalk-Gaudig;V. Litvinov;E. Nikitina
气相二氧化硅是一种合成二氧化硅，是一种强大的流变添加剂，用于树脂和涂料，以引入触变性甚至屈服点。气相二氧化硅的流变学效果是基于其形成分散大体积液体的分散网络的能力。通过先进的流变学实验，光谱研究和量子化学计算的组合，可以证明二氧化硅网络的形成和稳定性受到颗粒-树脂相互作用的强烈影响。研究结果可用于开发综合模型，解释不同等级气相法白炭黑在不同树脂中的流变性能。
Fumed silica, a synthetic silicon dioxide, is a powerful rheological additive for resins and paints to introduce thixotropy or even a yield point. The rheological effectiveness of fumed silica is based on its ability to form percolating networks which immobilize large volumes of liquid. By a combination of advanced rheological experiments, spectroscopical investigations, and quantum chemical calculations it could be demonstrated that the formation and stability of the silica network is strongly influenced by particle-resin interactions. The results can be used to develop comprehensive models, which explain the rheological performance of different grades of fumed silica in different resins.