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Synthesis of surface ion‑imprinted polymer for specific detection of thorium under acidic conditions
https://repo.qst.go.jp/records/78463
https://repo.qst.go.jp/records/78463da838dbc-7b0d-44bb-82d2-80e4af70dba9
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2020-01-20 | |||||
タイトル | ||||||
タイトル | Synthesis of surface ion‑imprinted polymer for specific detection of thorium under acidic conditions | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Othman, N.A.F.
× Othman, N.A.F.× Selambakkannu, S.× Azian, H.× C.T.Ratnam× Yamanobe, T.× Hoshina, Hiroyuki× Seko, Noriaki× Hiroyuki, Hoshina× Noriaki, Seko |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A fibrous surface ion-imprinted polymer (IIP) was synthesized for thorium removal through direct electron beam radiation using thorium as a template. Polypropylene coated by polyethylene non-woven fabrics (PE/PP) was used as a substrate. The PE/ PP non-woven fabrics were irradiated in the presence of the phosphoric monomer (2-HMPA) composed of 2-hydroxyethyl methacrylic phosphoric acid diester (50%) and monoester (50%) emulsified with the crosslinker. Hence, the formation of the three-dimensional IIP-Th crosslinked network and complexation between thorium (template) and 2-HMPA was investigated. The emulsion stability and particle size distribution of emulsion were determined using dynamic light scattering (DLS). Various factors influencing the synthesis of the thorium ion-imprinted (Th-IIP) nonwoven PE/PP such as the absorbed radiation dose, monomer concentration, and type of crosslinker were investigated. The IIP-Th was characterized by Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy–energy-dispersive X-ray (SEM–EDX), and X-ray photoelectron spectroscopy (XPS) and applied as an adsorbent for the removal of thorium using the batch adsorption method. The IIP-Th achieved a maximum distribution coefficient of 3.293 g/L and selectivity ratio (Th(IV)/U(VI)) of 9.5 after 90 min of contact time under acidic conditions. The adsorption kinetics of IIP-Th followed the pseudo-second-order kinetic model for both Th(IV) adsorption and U(VI) adsorption. The synthesized fibrous surface ion-imprinted polymer is a promising candidate for the selective removal of thorium ions from aqueous solution. | |||||
書誌情報 |
Polymer Bulletin 巻 78, p. 165-183, 発行日 2020-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0170-0839 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s00289-019-03094-2 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/s00289-019-03094-2 |