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Abstract
Herein, the effect of pH on Cu(II) crystal growth onto the surface of chelating fiber is presented. Poly(acryloamidino ethyleneamine) and poly(acryloamidino diethylenediamine) are synthesized as chelating polymers, and Cu(OH)2 crystal growth with the change of pH in an aqueous solution are observed using field-emission scanning electron microscopy. It is shown that the shapes of grown Cu(II) crystals on the chelating polymers depend on their alkyl amine numbers. The best fits of the isotherm data for Cu2+ adsorption and Cu(OH)2 crystal growth on the chelating polymers are obtained by means of our developed model.
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