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Abstract

Res Dev Material Sciapproachability to the particles in colloidal suspensions increases. There is an optimum degree of hydrolysis where grafted chains get straightened but have some degree of flexibility. Beyond the optimum level, the grafted chains lose their flexibility and behave like a rigid rod. The flocculation efficiency of the above graft copolymers is found to be much higher than that of commercial polyacrylamide-based flocculants because of their greater degree of branching and higher molecular weight [10][11][12][13].