POLYDENT.ORG

Polymer-clay nanocomposites have generated considerable interest because of their improved mechanical, thermal, and physical properties at low clay loading as compared to conventional composites. My previous investigation revealed that nanocomposites of polyamide-6 with a moderate clay loading (5%), which had a 2-fold increase in tensile strength and modulus and a 100 °C increase in heat distortion temperature as compared to pure polymer. Since then, a significant amount of work has been reported on various polymer-clay nanocomposites based on polymers, such as polypropylene,4-6 polyamide 6,6,7 polystyrene, 8 poly (methyl methacrylate),9 poly (ethylene terephthalate), 10 and elastomeric polyurethane.

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