| 학회 |
한국화학공학회 |
| 학술대회 |
2011년 가을 (10/26 ~ 10/28, 송도컨벤시아) |
| 권호 |
17권 2호, p.1178 |
| 발표분야 |
고분자 |
| 제목 |
Amphiphilic graft copolymer-templating fabrication of mesoporous aluminum oxides and CO2 capturing ability |
| 초록 |
Mesoporous aluminas were prepared via a sol-gel process by using an amphiphilic graft copolymer as a structure-directing agent, PVC-g-POEM, consisting of a poly(vinyl chloride) (PVC) backbone and poly(oxyethylene methacrylate) (POEM) side chains. The mesoporous morphologies of aluminas with large surface areas were confirmed by X-ray diffraction (XRD), transmission electron microscopy (TEM) and nitrogen adsorption/desorption analysis. Aluminas synthesized with PVC-g-POEM graft copolymer exhibited higher CO2 capturing ability (0.7 mol CO2/kg sorbent) than aluminas synthesized without graft copolymer (0.6 mol CO2/kg sorbent). The adsorption capacity of alumina strongly depends on its structure and calcination temperature; amorphous (400 oC) ＞ γ phase (800 oC) ＞ α phase (1000 oC). |
| 저자 |
전하림, 지원석, 정예은, Rajkumar Patel, 김종학
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| 소속 |
연세대 |
| 키워드 |
alumina; graft copolymer; carbon dioxide; adsorption capacity; sol-gel
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| E-Mail |
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| 원문파일 |
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