| 학회 | 한국화학공학회 |
| 학술대회 | 2003년 봄 (04/25 ~ 04/26, 순천대학교) |
| 권호 | 9권 1호, p.259 |
| 발표분야 | 분리기술 |
| 제목 | Synthesis and Characterization of Organic-Inorganic Hybrid Mesoporous Anion-Exchange Resins for Perrhenate (ReO 4 - ) Anion Adsorption |
| 초록 | Organic-inorganic hybrid mesoporous anion-exchange resins based on either pure silica or organosilica support materials were prepared and tested for the adsorption of perrhenate (ReO 4 -) anions in aqueous solutions. The prepared samples were characterized using N 2 adsorption-desorption measurements, FTIR, Raman spectroscopy, SAXS, 29Si CP/MAS NMR, and STEM. Among the prepared samples, the hybrid mesoporous anion-exchange resins functionalized with N-trimethoxysilylpropyl-N,N,N-tri-n-butylammonium ions showed higher affinities for perrhenate ions than did the resins functionalized with N-trimethoxysilylpropyl-N,N,N-trimethylammonium ions. The enhancement by the bulky ammonium functional ligand is consistent with Hofmeister selectivity. In addition, periodic mesoporous organosilica (PMO) materials as anion-exchange resins were synthesized and characterized. For the synthesis of PMO anion-exchange resin, a novel organosilica precursor, N-(3-triethoxysilylpropyl)-N-(1-trimethoxysilylpropyl)-4,5-dihydroimidazole iodide, and a surfactant, 1-hexadecane-3-methylimidazolium bromide, were synthesized and used. |
| 저자 | 이병환 , 이종협 |
| 소속 | 서울대 응용화학부 |
| 키워드 | Hybrid Mesoporous Silica ; Anion-Exchange Resin ; Perrhenate |
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| VOD | VOD 보기 |
