| 학회 | 한국화학공학회 |
| 학술대회 | 2011년 가을 (10/26 ~ 10/28, 송도컨벤시아) |
| 권호 | 17권 2호, p.1218 |
| 발표분야 | 고분자 |
| 제목 | Radiation-chemical synthesis of sorption-active fibers with ethylenediamine groups and studies on their interaction with uranium (VI) ions |
| 초록 | Sorption-active material based on polypropylene nonwoven fibers carrying amine-type functional groups was synthesized by radiation-induced graft polymerization of glycidyl methacrylate (GMA) with subsequent chemical modification of the epoxy groups of poly-GMA graft chains with ethylenediamine at 70 oC. The amination process and conversion of the epoxy groups into the functional amine groups was investigated as a function of the degree of GMA grafting. It was found insignificant increase in the density of incorporated ethylenediamine groups (from 2.1 to 3.5 mmol/g) and decrease in the conversion efficiency (from 70 to 55 %) with increasing GMA grafting degree from 125 to 320%. Synthesized fibers were examined for uranium (VI) ions adsorption under non-competitive conditions in a series of batch adsorption experiments. The influence factors on uranium adsorption as contact time, initial uranium concentration, pH value, ethylenediamine groups’ density were investigated in detail. |
| 저자 | 이경오1, Iuliia Bondar2, 강현호3, 조현국1, 한도흥1 |
| 소속 | 1영남대, 2Institute of Enviroment Geochemistry, 3Ukraine |
| 키워드 | polypropylene; ethylenediamine; uranium; radiation; grafting |
| 원문파일 | 초록 보기 |
