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α-Br-polystyrene (Br%7PS) and polystyrene p-acetyl chloride (Cl%5PS) were obtained by modification of polystyrene on its main chain and side groups using N-bromosuccinimide and acetyl chloride, respectively. The graft copolymers were prepared via atom transfer radical polymerization (ATRP) with Br%7PS and Cl%5PS as the macro-initiators, methacrylamide (MA) as monomer, 1,2-dipiperidinoethane as ligand, and CuBr as a transition metal compound. Characterization of the reaction products was done using Fourier transform infrared (FTIR) spectroscopy, H-1 proton nuclear magnetic resonance ( 1 H-NMR) spectrometry and elemental analyses. According to the results of the structure characterization, the percentages of substitution of styrene units in the polystyrene were found to be 7.14% for Br%7PS and 5.21% for Cl%5PS by moles. The uptake properties of various metal ions by the polymers were investigated by an atomic absorption spectrophotometer (AAS).

Grafting on Polystyrene on Different Parts of the Molecule and Determination of Metal Uptake Thereby