Using nanoclays – nanoparticles of layered mineral silicates – SP Technical Research Institute of Sweden is developing a plasticised PVC with improved mechanical and barrier properties and improved flame retardant qualities. In a process known as exfoliation, nanoclays can create physical barriers for gases and organic molecules. They will also promote the formation of a char layer when exposed to fire. Nanocomposites have almost unlimited potential as future supermaterials.
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