Abstract
Graft copolymers of acrylic acid on cellulosic materials were obtained by use of ceric ion in aqueous medium at various temperatures. The level of incorporation of poly(acrylic acid) grafts and the efficiency of grafting were significantly reduced as the temperature of polymerization was increased from 35° to 60°C. The uptake of cadmium and copperions from aqueous solution by the cellulose-g-poly(acrylic acid) copolymer was examined by equilibrium and dynamic sorption studies. The amount of metal ions removed from solution depended on the metal ion type, initial concentration of the metal ion solution, level of incorporation of poly(acrylic acid) in the graft copolymer and the temperature of the metal ion solution.
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