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A pH-sensitive modified polyacrylamide hydrogel was prepared by two steps and the modified polyacrylamide was characterized by 1HNMR spectrum. The surface morphology and swelling behavior of the hydrogels were investigated.
A pH-sensitive modified polyacrylamide hydrogel was prepared by two steps and the modified polyacrylamide was characterized by 1H NMR spectrum. The surface morphology and swelling behavior of the hydrogels were investigated.