Invited Article
  • Liquid Crystalline Aromatic Polyesters
  • Kwon YW, Choi DH, Jin JI
  • 액정성 전방향족 폴리에스테르
  • 권영완, 최동훈, 진정일
Abstract
Linear aromatic polyesters are representative examples of thermotropic liquid crystalline polymers (TLCPs), which have been the subject of many researches. This article reviews the structure-LC properties relationship in wholly aromatic TLCPs mostly based on the results obtained for the past quarter of a century. Especially, this review deals with the structural details of aromatic polyester TLCPs that influence the liquid crystalline and thermal properties. In the last part of this article the liquid crystalline properties of combined type and hyperbranched polyester also are discussed. Introduction to various synthetic methods are included in the last section.

선형 방향족 폴리에스테르는 열방성 액정중합체의 대표적 예로 지금까지 그 구조-액정성 관계가 많이 연구되었다. 본 논문에서는 지난 4반세기 동안 본 연구진이 행한 연구결과를 중심으로 액정성 전방향족 폴리에스테르의 열적특성 및 액정성을 그 화학구조와 관련지어 논의한다. 특히 미세화학구조의 변경이 어떻게 액정성에 영향을 주는가에 논의의 초점을 두었다. 특히 선형구조에서 크게 벗어나는 복합형 액정성 폴리에스테르 및 액정성 고차가지구조 폴리에스테르도 조감하였다. 고차가지구조 고분자는 덴드리머와 관련하여 많은 관심을 끌고 있다. 이 고분자들의 합성법도 말미에 소개하고 있다.

Keywords: liquid crystal; aromatic polyester; combined type; hyperbranched; synthetic method

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This Article

  • 2005; 29(6): 523-535

    Published online Nov 25, 2005