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Nano Clay: Description, Usage and Applications

Clays are used in architecture, industry, and agriculture throughout prehistoric times. It remains one of the essential minerals for industry. Ceramists have used  nanoclays  without knowing nanoparticles, and they improved the science of clays since antiquity. Furthermore, many applications have been found recently, and resulting indications of nanoclays are reduction of cost and improvement of product quality. Clay minerals can be described as fine-grained hydrous silicates with sheet-like structure, so they are stacked over one another. Different from clays, nanoclays are clay minerals in nanometer range at least one dimension with high aspect ratio. Figure 1:  Nanoclay Morphology. Nanoclay A is pure montmorillonite with Na+  inorganic group, nanoclay B is pure montmorillonite with hydroxyl organic ammonium, and nanoclay C is pure montmorillonite with double alkyl ammonium . Jiangmiao Yu, Zhibin Ren, Huayang Yu, Duanyi Wang, Shekhovtsova Svetlana,...