eva noanocomposite foams containing mwcnt as electromagnetic wave absorbent.

In recent years, radar absorbent foams, have been a lot in attention, due to their desired electromagnetic properties and low weight. eva foams, are suitable choice for electromagnetic waves absorbent foams, because of their facile foaming ability and good environmental resistance as well as presence of polar groups in their molecular structure in order to dielectric waste. in this study, foamed and non-foamed eva nanocomposites containing mwcnt have been prepared, in order to consider their electrical conductivity and dielectric properties in high and low frequency and study their electromagnetic waves absorbent properties in x-band frequencies (8-12 ghz). it was observed that reduction of electromagnetics wave reflections in foamed composites is more than the non-foamed composites with same weigth , and indicates that foamed composites are much better absorbents than their non-foamed case. and for the foamed eva composite containing 4phr mwcnt we obtained above 90% of absorption.