DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | Choi, Sam-Kwon | - |
dc.contributor.advisor | 최삼권 | - |
dc.contributor.author | Lee, Hyung-Jong | - |
dc.contributor.author | 이형종 | - |
dc.date.accessioned | 2011-12-13T04:52:34Z | - |
dc.date.available | 2011-12-13T04:52:34Z | - |
dc.date.issued | 1992 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=59914&flag=dissertation | - |
dc.identifier.uri | http://hdl.handle.net/10203/32171 | - |
dc.description | 학위논문(석사) - 한국과학기술원 : 화학과, 1992.2, [ vi, 55 p. ] | - |
dc.description.abstract | Poly{3-(4-Methoxy-4-hexyloxybiphenyl)oxymethylthiophene} (PolyMHOT), poly{3-(4-cyano-4-hexyloxybiphenyl) oxymethylthiophene} (PolyCHOT), and poly{3-[2-(2(2-(4-methoxybiphenyl)ethoxy)ethoxy)-ethoxy]methylthiophene} (PolyMEET) have been prepared to examine the effect of liquid crystalline properties on the conducting polymer structure. Thiophene derivatives with different mesogenic and spacer groups were synthesized by modified Williamson ether synthesis. These monomers exhibited enantiotropic smectic liquid crystalline mesophase. Polymerization was carried out by chemical and electrochemical methods. In chemical method, polymer yields were quite high and the polymerization required 3 eq. of oxidant to monomer. In the electrochemical procedure, the monomers exhibit an anodic peak due to the formation of radical cation with onset potential about 1.10 V and form electroactive polymer film. These polymers, however, were insoluble organic solvents and not observed liquid crystalline properties due to small portion of crosslinked polymer structure and inherently rigid polythiophene backbone. | eng |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.title | Synthesis and characterization of side chain liquid crystalline polymers with a polythiophene backbone | - |
dc.title.alternative | 폴리사이오펜 주쇄구조를 가진 곁가지 액정 고분자의 합성과 그 성질 | - |
dc.type | Thesis(Master) | - |
dc.identifier.CNRN | 59914/325007 | - |
dc.description.department | 한국과학기술원 : 화학과, | - |
dc.identifier.uid | 000901427 | - |
dc.contributor.localauthor | Choi, Sam-Kwon | - |
dc.contributor.localauthor | 최삼권 | - |
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