以4,4′-二羟基二苯甲酮为中心结构基元,以酯基(—COO—)作为桥键,烷基(m=5,6,7,8,9,10)为末端基团,合成了一系列新型香蕉形液晶化合物(mPEPK),通过IR、1H NMR、13C NMR和MS鉴定这些化合物的结构正确,并经过差热扫描仪(DSC)和偏光显微镜(POM)测定其相变温度和相态织构.结果表明,所合成目标化合物具有近晶相,并且相转变温度较类似结构香蕉型液晶化合物有大幅度降低.
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