T HREE different composition ratios of chitosan-g-acrylic acid, P[Ch-g-AA] were prepared in the presence of potassium persulphate as an initiator using free radical technique.The grafted copolymers were characterized through FT-IR, TGA, DSC, and SEM.The results showed that these grafted copolymers have a single glass transition indicating that these copolymers can form a miscible phase.The P[Ch-g-...