Nanocomposites Derived from Montmorillonite and Metallosupramolecular Polyelectrolytes: Modular Compounds for Electrorheological Fluids

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• 作者：Matthias F. Geist ; Kevin Boussois ; Agnes Smith ; Claire S. Peyratout ; Dirk G. Kurth
• 刊名：Langmuir
• 出版年：2013
• 出版时间：February 12, 2013
• 年：2013
• 卷：29
• 期：6
• 页码：1743-1747
• 全文大小：272K
• 年卷期：v.29,no.6(February 12, 2013)
• ISSN：1520-5827

文摘

Nanocomposites made from Na-montmorillonite and metallo-supramolecular polyelectrolytes (MEPE) based on nickel and ditopic bis-terpyridine ligands are prepared by an aqueous synthesis. Intercalation is confirmed by IR-spectroscopy, thermogravimetric analysis, and X-ray powder diffraction. The rheological response in the presence of an electric field of the dispersed nanocomposites in silicone oil is measured with a rheometer. The nanocomposites show a distinct electrorheological effect depending on the concentration and the kind of intercalated species. The effect occurs with a low content of active material while only very small currents are observed.