Commercial grades of high density polyethylene, HDPE and waste poly(et
hylene terephthalate), PET were melt blended over a wide range of comp
ositions. Effect of ethylene acrylic acid copolymer, EAA, ethylene vin
yl acetate copolymer, EVA and maleic anhydride grafted EVA as compatib
ilizers on rheology and mechanical properties of the blend was studied
. EAA was found most suitable compatibilizer.