The synthesis of poly(acrylic acid)-bentonite and polyacrylamide-bentonite composites for adsorption applications
NATKAŃS KI P., BI AŁAS A., KUŚTROWS KI P.
Please cite as: CHEMIK 2012, 66, 7, 742-749
Raw bentonite was modified by introducing to its interlayer spaces hydrogel chains by intercalation polymerization. Poly(acrylic acid) or polyacrylamide were used as organic modifiers. The structure of the obtained compounds was examined by means of powder X-ray diffraction and IR spectroscopy. The performed modification resulted in a significant increase in the sorption capacity of the material in respect of Fe(III) cations.
Keywords: bentonite, hydrogel, poly(acrylic acid), polyacrylamide, intercalation, Fe(III) ion adsorption