Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 19, Issue 13, Pages 1901-1907Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b818248e
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Funding
- Nanoscience and Technology Initiative of DST
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A new mesoporous polymer, mesoporous poly-triallylamine (MPTA-1), has been synthesized by a simple and facile in situ radical polymerization of triallylamine through organic-organic self-assembly of anionic or anionic/non-ionic mixed surfactant systems. Powder XRD and TEM image analysis suggests the presence of disordered wormhole-like mesopores in these samples. N-2 sorption analyses reveal bimodal pore size distributions on the nanoscale with moderately good surface areas (70-134 m(2) g(-1)) for these MPTA-1 samples. Template-free protonated MPTA-1 samples carry positively charged nitrogen atoms in the mesoporous framework, which is reflected in its high anion exchange efficiencies from aqueous solutions. High anion exchange efficiency of MPTA-1 has motivated us to explore its potential application in the removal of pollutant anions such as CrO42-, MnO4-, AsO33-, NO3- and PO43-, which can be present in significant quantities in various wastewater sources.
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