| 발행년도/권호 |
2010 년 / 권호: V.22,no.3,Sept |
| 논문제목1(원어) |
Thermo- and Acid/base-induced Spectral Switching of a Poly(N-isopropylacrylamide)
Copolymer Containing Benzopyran-based D-π-A type Dye Units |
| 논문제목2(타언어) |
Thermo- and Acid/base-induced Spectral Switching of a Poly(N-isopropylacrylamide)
Copolymer Containing Benzopyran-based D-π-A type Dye Units |
| 저자(원어) |
Eun-Mi Lee, Seon-Yeong Gwon, Byung-Chul Ji and Sung-Hoon Kim |
| 저자(타언어) |
Eun-Mi Lee, Seon-Yeong Gwon, Byung-Chul Ji and Sung-Hoon Kim |
| 소속(원어) |
Kyungpook National University |
| 소속(타언어) |
Kyungpook National University |
| 시작/끝
페이지 |
181 ~ 186 총페이지 : 6 |
| 언어(원어) |
English |
| 초록 |
Abstract― A thermoresponsive poly(NIPAM-co-dye) labeled with benzopyran-based D-π-A type dye was prepared by typical radical copolymerization. It can be also constructed a acid/base-induced molecular switch by modulation of intramolecular charge transfer with protonation/deprotonation. The lower critical solution temperature behavior was investigated
by means of UV-vis spectroscopy which allows the measurement of the phase transition from 25°C to 45°C in aqueous DMSO solution. The morphology of the internal microstructure of the poly(NIPAM-co-dye) hydrogel was observed by scanning electron microscopy. The reversible switch could be obtained by thermal and acid/base stimuli. |
| 키워드 |
Keywords: D-π-A dye, pyran-based dye, poly(N-isopropylacrylamide), switch, lower critical solution temperature(LCST) |
| 학회지 |
|
| Reference |
http://www.koreascience.or.kr/article/ArticleFullRecord.jsp?cn=OSGGBT_2010_v22n3_181 |
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