I N THIS study Acrylic acid/ Carboxymethylcellulose/Titanium dioxide (AAc/CMC-TiO 2 ) hydrogel nanocomposite was synthesized by free-radical crosslinking copolymerization via gamma irradiation.It was characterized using FT-IR and swelling properties.The swelling percentage increases with increasing time until reaches a certain limiting value after 6h.The synthesized nanocomposite was used as an ad...