Abstract

A homologous series comprises of eight mesogenic hydrogen bonded liquid crystal (HBLC) referred as nBAO + 4BU BA are designed, synthesized and characterized. All eight mesogens in nBAO + 4BU BA series are subjected to spectral, thermal and optical characterization. Formation of hydrogen bond in the resultant compounds is evinced by FTIR study. All eight mesogens obtained in this series exhibits only nematic phase in their entire thermal spans which are coined as Nematogens. Essential characteristic studies carried out on these nematogens are Parachromatism as a function of temperature, phase transition temperatures,mesogenic thermal span and enthalpy involved during phase transition respectively.

摘要

设计、合成和表征了一个由八个称为 nBAO + 4BU BA 的介晶氢键液晶 (HBLC) 组成的同系物系列。nBAO + 4BU BA 系列中的所有八种介晶均经过光谱、热学和光学表征。FTIR 研究证实了所得化合物中氢键的形成。在这一系列中获得的所有八种介晶在其整个热跨度中仅表现出向列相，被称为 Nematogens。对这些线虫进行的基本特征研究分别是作为温度、相变温度、介晶热跨度和相变过程中涉及的焓的函数的副色性。