| 학회 | 한국화학공학회 |
| 학술대회 | 2008년 가을 (10/23 ~ 10/24, 부산 BEXCO) |
| 권호 | 14권 2호, p.2611 |
| 발표분야 | 분리기술 |
| 제목 | Soxhlet extraction using carbon dioxide to remove surfactant from polymer particles |
| 초록 | Carbon dioxide (CO2) is considered as a useful alternative of toxic or volatile organic solvents in many different fields of industrial such as separation processes, particle forming, cleaning, synthesis and modification of polymers and organic reactions. The use of CO2 as extraction solvent has been studied at many other groups in the last two decades. Main advantages to use scCO2 as extraction medium are that it is non-flammable, chemically inert and naturally abundant than many other organic solvents. In this study, surfactants (fluorine and siloxane-based) were extracted using carbon dioxide from spherical poly (methyl methacrylate) [PMMA] particles which were polymerized using PHDFDMA (poly(3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-Heptadecafluorodecy methacrylate)) as stabilizer in scCO2 and poly(2-hydroxyalkyl methacrylate) particles which were synthesized with PDMS-g-pyrrolidonecarboxylic acid (commercially available stabilizer, Monasil PCA) in compressed liquid dimethyl ether (DME). Both fluorine-base surfactant (PHDFDMA) and siloxane-based surfactant (Monasil PCA) effectively removed from the polymer particles. The polymers were characterized by FE-SEM, EDS and DSC, etc. |
| 저자 | 오경실1, 이하영2, 최필녀2, 배 원2, 조동우1, 김화용1 |
| 소속 | 1서울대, 2미원상사 주식회사 |
| 키워드 | Soxhlet extraction; PHDFDMA; Monasil PCA |
| 원문파일 | 초록 보기 |
