TY - JOUR AU - Schmidt, B. PY - 2021/01/13 Y2 - 2024/03/28 TI - Effect of crosslinking agent on potato starch grafted acrylamide copolymers and their sorption properties for water, Fe3+ and Cu2+ cations JF - Polimery JA - p VL - 63 IS - 5 SE - DO - 10.14314/polimery.2018.5.3 UR - http://ichp.vot.pl/index.php/p/article/view/214 SP - 347-352 AB - Potato starch grafted acrylamide copolymers with weight ratio of acrylamide (AAm) to acrylic acid (AA) of 2 : 1, crosslinked with three acrylic compounds at various concentrations, were prepared. 2,2’-azobis(2-methylpropionamidine) dihydrochloride was used as a radical initiator. Starch copolymers were characterized by infrared spectroscopy, differential scanning calorimetry and rheoviscometry. The Fe3+and Cu2+ cations sorption properties were analyzed using spectrophotometric method. Also, water absorption and swelling tests were performed. ER -