Synthesis of Acrylonitrile Based High Internal Phase Emulsion Monoliths and their Application in Recovery of Heavy Metal Ions
Journal Title: Advanced Journal of Chemistry-Section A (Theoretical, Engineering and Applied Chemistry) - Year 2020, Vol 3, Issue 1
Abstract
Polymeric monoliths based on acrylonitrile-divinyl benzene were synthesized successfully by high internal phase emulsion (HIPE) polymerization. Highly porous polyHIPEs were prepared by variation in oil to water ratio as well as type and concentration of porogens. The porogens evaluated were toluene, chlorobenzene, heptane and chloroform. The effect of oil to water ratio and porogen type and concentrations on morphology and surface area of polyHIPEs were investigated. The polyHIPEs were modified to amidoxime functionality by treating base catalyzed reaction with hydroxylamine hydrochloride in presence of base. The treated and modified polymeric monoliths were characterized by FT-IR, SEM and surface area analysis. The modified porous polyHIPEs were tested for adsorption of Cr(VI) metal ions at various pH.
Authors and Affiliations
Abdul Wasif Shaikh, Sarika Deokar, Khudbudin Mulani, Nayaku Chavan, Chelanattu Raman Rajan, Surendra Ponrathnam
Keywords
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- EP ID EP619411
- DOI 10.33945/SAMI/AJCA.2020.1.5
- Views 38
- Downloads 0
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