A low melting-point liquid crystal bismaleimide containing aromatic ester bond in the backbone was synthesized from maleimide benzoic acid and methylhydroquinone, and characterized by FT-IR, 1H-NMR, DSC and hot stage polarized light microscopy. 通过甲基对苯二酚和对马来酰亚胺基苯甲酸,制得了一种低熔点的酯类液晶双马来酰亚胺。应用FT-IR1、H-NMR、DSC、HSPM对液晶双马来酰亚胺的结构和液晶行为进行了表征。