Abstract
Two different types of network were synthesized. Semi-IPN macrogel type PVA@P(AMPS-co-AAc) (SIMT) and PVA- EPC@P(AMPS-co-AAc) (100nm) nanogel (CCPNT). Poly (vinyl alcohol) (PVA) was used as matrix and copolymerized 2-acrylamido-2-methyl-1-propane- sulfonic acid (AMPS), Acrylic acid (AAc) based materials were used in the removal of methylene blue (MB). Epichlororhydrine (EPC) was used as crosslinker to link the CCPNT. The maximum removal for MB was observed at (10AAc-co-90AMPS) (wt.:wt. %) monomer ratio for both networks. The prepared macro and nanogel materials were characterized by SEM, BET, TEM and DLS. The adsorption followed pseudo-second-order kinetics and fit Langmuir-type isotherm. The adsorption capacity was found to be equal to 416.6mg/g, 181.8mg/g for CCPNT and SIMT, respectively.
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