The thermotropic liquid crystalline properties of PEAs obtained with different DMBD/BPA(mol) are characterized by DSC, polarizing optical microscope(POM) and wide angle X ray diffraction.

• 用DSC、X光衍射分析和偏光显微镜等手段表征了该类聚合物的热致液晶性质,确认了不同单体比例的PEA均为热致向列型液晶聚合物,且不出现液晶相转变温度直至聚合物分解。