Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Synthesis and Thermotropic Properties of New Liquid Crystalline Compounds;1,20-Bis[2,5-bis(4-alkyloxyphenoxycarbonyl)phenoxy]decane

새로운 액정화합물의 합성과 열방성 성질;1,20-Bis[2,5-bis(4-alkyloxyphenoxycarbonyl)phenoxy]decane

  • 박주훈 (호서대학교 자연과학부) ;
  • 김은영 (호서대학교 자연과학부) ;
  • 최옥병 (호서대학교 자연과학부) ;
  • 김기수 (호서대학교 자연과학부) ;
  • 소봉근 (한남대학교 자연과학부) ;
  • 이수민 (한남대학교 자연과학부)
  • Published : 20010200
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Abstract

A new homologous series with the general formula in which n is the longitudinal alkyloxy group, n=1-10, was synthesized. The thermotropic and liquid crystalline properties were studied by differential scanning calorimetry and on the hot-stage of a polarizing microscope. All of the new compounds were monotropic and texture observations proved that all investigated homologues with n=1-10 exhibited nematic phases. Also, the compounds showed pronounced alternation effects in the homologous series with constant lateral bridging group, oxydecamethyleneoxy, but increasing longitudinal chains, n.

n=1-10으로 종축방향의 알킬옥시기를 갖는 아래 구조의 새로운 동족계열 화합물을 합성하였다. 이들의 열적 및 액정성질을 DSC와 가열판이 부착된 편광현미경을 사용하여 조사하였다. 새로운 화합물들은 모두 단방성이었고, 조사된 동족계열, n=1-10, 화합물들의 구조는 네마틱상을 나타내었다. 또한 화합물들은 일정한 측면 다리기, 옥시데카메틸렌옥시,를 가지며 종축사슬, n을 증가시켰을 때 동족 계열내에서 교대효과를 나타내었다.

Keywords

References

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