“…The second classification is polymeric nanocomposites, which allow polymers to be reinforced at the molecular phase, thus better improvement recyclability, chemical resistance, thermal stability, electrical conductivity, mechanical properties, in addition to low permeability of gases and water, reduce smoke generations and flame obstruction. However, the effect of filler depends on several factors, such as properties of the polymer matrix, nature and type of nanofiller, concentration of the filler in the matrix, filler aspect ratio, filler orientation and filler distribution [3,7,8,10,11].…”