**6. Functional utilization**

The addition of montmorillonite in material, polymer, and products may result in significant enhancement in the required performance. Interestingly, there is a great variety of montmorillonite utilization as an additive in composite or as a functional filler in polymers. The results obtained indicated useful effects. Examples included the applications as food additive for health and stamina, for antibacterial activity, as sorbent for nonionic, anionic, and cationic dyes, and as catalyst in organic synthesis, and so on.

The variety of montmorillonite utilization in material and product performance is significant in recent literature. The following sections describe the important useful effects that are obtainable using the selected type of montmorillonite.
