Seawater Uranium Sorbents: Preparation from a Mesoporous Copolymer Initiator by Atom-Transfer Radical Polymerization

Seawater Uranium Sorbents: Preparation from a Mesoporous Copolymer Initiator by Atom-Transfer Radical Polymerization

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 a uranium...

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Veröffentlicht in:Angewandte Chemie International Edition 2013-12, Vol.52 (50), p.13458-13462
Hauptverfasser: Yue, Yanfeng, Mayes, Richard T., Kim, Jungseung, Fulvio, Pasquale F., Sun, Xiao-Guang, Tsouris, Costas, Chen, Jihua, Brown, Suree, Dai, Sheng
Format: Artikel
Sprache:eng
Schlagworte:
amidoxime
atom-transfer radical polymerization
Copolymers
Initiators
mesoporous copolymers
Polymerization
Radicals
Sea water
seawater
Sorbents
Uptakes
Uranium
uranium extraction
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Zusammenfassung: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 a uranium sorbent for seawater extraction with a high uptake rate and capacity relative to those of nonwoven irradiation‐grafted polyethylene‐fiber composites.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201307825