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采用界面缩聚的方法,以异山梨醇为刚性基元、柔性基元癸二酰氯、离子基元灿烂黄为主要原料,合成了热致性主链液晶离聚物。通过傅立叶转换红外光谱(FT-IR))对其结构进行了表征,采用偏光显微镜(POM)、示差扫描量热仪(DSC)和广角X射线(X-ray)等手段对其液晶性能进行了表征。结果表明:该离聚物为近晶A型热致液晶,随着离子基元的加入及含量的变化对液晶性和液晶类型都没有影响。
Adopting the method of polycondensation at the interface, a isotropic main chain liquid crystal ionomer was synthesized using isosorbide as the rigid element, the flexible element sebacic acid chloride and the ionic element brilliant yellow as the main raw materials. Its structure was characterized by Fourier transform infrared spectroscopy (FT-IR). The liquid crystal properties were characterized by POM, DSC and X-ray. Characterization. The results show that the ionomer is a smectic A thermotropic liquid crystal, which has no effect on the liquid crystallinity and liquid crystal type with the addition of ionic groups and the content change.