| 학회 |
한국고분자학회 |
| 학술대회 |
2015년 봄 (04/08 ~ 04/10, 대전컨벤션센터) |
| 권호 |
40권 1호 |
| 발표분야 |
고분자구조 및 물성 |
| 제목 |
Characteristics of Amphiphilic Cyclic and Linear Block Copolymer Micelles |
| 초록 |
The amphiphilic cyclic poly(n-butyl acrylate-b-ethylene oxide) (cyclic PBA-b-PEO) or a linear poly(n-butyl acrylate-b-ethylene oxide-b-n-butyl acrylate) (linear PBA-b-PEO-b-PBA) spontaneously formed micelles in water. It’s the first time to investigate the structural features of these micelles by X-ray scattering techniques and quantitative data analysis. According to the data, both micelles were composed of a core and a fuzzy shell. The core consisted of hydrophobic PBA block and the fuzzy shell parts consisted of hydrophilic PEO block. The cyclic block copolymer micelles were found to have more compact core and shell parts. Moreover, the PBA block of the cyclic copolymer was revealed to form a denser hydrophobic core than that of PBA homopolymer in the bulk sate. The elimination of the chain end groups from the amphiphilic block copolymer introduced entropy and increased the excess excluded volume. Thus cyclic block copolymer formed more stable and denser micelles in solution. |
| 저자 |
윤현경1, 허규영1, 이문호1, 김영용1, 김미희1, 권경호1, 정성민1, 김종현1, 위동우1, 이진석1, 송성진1, 김창섭1, 이종찬1, 김용진1, 이호열1, Brian J. Ree1, Yu Kitazawa2, Takuya Yamamoto2, Kyeong Sik Jin3
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| 소속 |
1포항공과대, 2Tokyo Institute of Technology, 3Pohang Accelerator Laboratory |
| 키워드 |
Linear Block Copolymer Micelles |
| E-Mail |
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