| 학회 |
한국고분자학회 |
| 학술대회 |
2008년 봄 (04/10 ~ 04/11, 컨벤션 뷰로(대전)) |
| 권호 |
33권 1호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Synthesis of Crosslinked Poly(N-isopropylacrylamide) Microgels Prepared via Distillation Precipitation Polymerization |
| 초록 |
Poly(N-isopropylacrylamide) (PNIPAAm) microgels were prepared by distillation precipitation polymerization at 80°C in acetonitrile solvent with 2,2-azobisisobutyronitrile as an initiator and N,N'-methylenebisacrylamide (MBA) as a crosslinker. The effects of degree of crosslinking on the morphology and lower critical solution temperature (LCST) were investigated by using an SEM and a DSC. The yields of PNIPAAm microgels increased with increasing MBA content. The shapes of PNIPAAm microgels obtained with MBA content of more than 20% were not spherical and thier surface became rough and crumpled. LCST of PNIPAAm microgels was around at 32°C. |
| 저자 |
함명조, 이희동, 고재훈, 김영호
|
| 소속 |
숭실대 |
| 키워드 |
poly(N-isopropylacrylamide); crosslinking; microgel; distillation precipitation polymerization
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| E-Mail |
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