Ion-exchange membranes with carboxylic acid-metal complexes were prepared by radiation-induced grafting of acrylic acid onto polyethylene (PE) film and by its subsequent complexation with Cu²⁺ and Cd²⁺. The grafted films rapodly adsorbed Cu²⁺ and Cd²⁺ in higy efficiency. The carboxylic groups acid on AAc-grafted PE film acted as a chelating site fot the transition metal ions. Complex formation of metal ions with carboxylic acid gtoup on PE film wereinvestigated by IR and x-ray photoelectrons spectroscopy (XPS). Electrochemical properties such as electrical resestance amd transport number of PE membranes with carboxylic acid-metal complexes were also investigated. The transport nymber of K⁺ of ion-exchange membranes with carboxylic acid-metal complex were determined.