Published in
Wiley, Angewandte Chemie International Edition, 50(52), p. 13458-13462, 2013
Wiley, Angewandte Chemie, 50(125), p. 13700-13704, 2013
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Seawater Uranium Sorbents: Preparation from a Mesoporous Copolymer Initiator by Atom-Transfer Radical Polymerization
,
Jungseung Kim,
Pasquale F. Fulvio ,
Xiao-Guang Sun,
Costas Tsouris ,
Jihua Chen ,
Suree Brown,
Sheng Dai
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Abstract
From the sea to the reactor: Nanoporous template-free initiators for atom-transfer radical polymerization (ATRP) were synthesized with surface and framework initiator sites and tailorable pore structures. Polyacrylonitrile grown on one initiator was converted into polyamidoxime to generate an uranium sorbent for seawater extraction with a high uptake rate and capacity relative to those of nonwoven irradiation-grafted polyethylene-fiber composites.