| 학회 |
한국고분자학회 |
| 학술대회 |
2002년 봄 (04/12 ~ 04/13, 서울대학교) |
| 권호 |
27권 1호, p.115 |
| 발표분야 |
고분자 구조 및 물성 |
| 제목 |
Structure Determination of New Halogen Substituted Banana-Shaped Molecules |
| 초록 |
New three banana-shaped compounds, derivatives of 4,6-dichloro-1,3-phenylene-bis[4-(n-octyloxyphenyliminomethyl)benzoate] by varying the substituent (X = H, F and Cl), are investigated by differential scanning calorimetry (DSC), X-ray diffraction (XRD), and polarized optical microscopy (POM). The compound with X = H forms an enantiomeric nematic phase. The compounds with X = F and Cl form a nematic phase on heating, while on cooling it form a nematic phase and then a smectic A phase at low temperature monotropically. It is noted that in nematic phase, the molecules can self-assemble into a rod-like cylinder, which behaves like a nematic mesogene. |
| 저자 |
김대철1, 진왕철2, 이종광*3, 최이준**4
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| 소속 |
1포항공과대, 2고분자 (연), 3*경상대, 4**금오공과대 |
| 키워드 |
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| E-Mail |
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