| 학회 |
한국고분자학회 |
| 학술대회 |
2020년 가을 (10/05 ~ 10/08, 부산컨벤션센터(BEXCO)) |
| 권호 |
45권 1호 |
| 발표분야 |
고분자구조 및 물성 |
| 제목 |
Synthesis and analysis of Hexagonally packed DNA-like Double helical phase (H2) with A1BA2C Tetrablock terpolymer. |
| 초록 |
We synthesized and observed the DNA-like double helical structure with linear tetrablock terpolymers polystyrene-block-polyisoprene-block-polystyrene-block-poly(2-vinylpyridine) S1IS22. Sample was synthesized by sequential anionic polymerization. This structure has different kinds of strands (PI and P2VP) twisted together and the rest is filled with PS. We first observed a heterogeneous twisted strand structure that was not found in block copolymer self-assembly and it is a unique property of tetrablock copolymer. This result were good agreement with self-consistent mean field theory(SCFT). This tetrablock terpolymers were characterized by gel permeation chromatography and nuclear magnetic resonance. Morphology of terpolymer was characterized by TEM and small angle X-ray scattering |
| 저자 |
윤형건, 김진곤
|
| 소속 |
포항공과대 |
| 키워드 |
Block copolymer; self-assembly; helical structure
|
| E-Mail |
|
