| 학회 |
한국고분자학회 |
| 학술대회 |
2008년 가을 (10/09 ~ 10/10, 일산킨텍스) |
| 권호 |
33권 2호 |
| 발표분야 |
고분자 구조 및 물성 |
| 제목 |
Controlling the inner morphology of monodisperse core-shell microspheres via SPG membrane emulsification and solvent extraction/evaporation method |
| 초록 |
Inner structure of poly(ε-caprolactone)(PCL)-poly(ethyl-2-cyanoacrylate)(PE2CA) core-shell microspheres was simply controlled via SPG membrane emulsification and solvent extraction/evaporation method. The solvent extraction/evaporation rate was controlled by varying the preparation temperature and the disperse phase (DP)/continuous phase (CP) volume ratio. The high solvent extraction/evaporation rate induced the rapid precipitation of polymers. This resulted in various inner morphologies of microspheres. The inner structure of microspheres was changed from single-core to multi-core with increasing temperature. As the DP/CP ratio decreased, the inner structure of microspheres varied from multi-core to hollow and the shell of hollow microsphere was double layer composed of PCL inner layer and PE2CA outer later. The prepared core-shell microspheres were characterized by CLSM and SEM. |
| 저자 |
최진선, 이승모, 황태원, 이정민, 김중현
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| 소속 |
연세대 |
| 키워드 |
Core-shell microsphere; SPG membrane emulsification; Solvent extraction/evaporation; inner morphology
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| E-Mail |
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