采用溶液缩聚的方法,以6,6'-二羟基麦芽糖六乙酸酯(MA)、4,4'-对羟基联苯酚(MB)、癸二酰氯(SD)为单体,合成了主链液晶聚合物(P1～P7).通过红外光谱(FT-IR),核磁共振谱(1H-NMR)、偏光显微分析(POM)、旋光性分析(SROT)、差示扫描量热(DSC)、X射线分析(XRD)等手段研究了手性单体对主链液晶聚合物性能的影响.研究表明,P1～P5呈现出近晶相的破碎焦锥织构,P6～P7呈现出胆甾相的彩色平面织构,手性基元的引入诱导出了胆甾相.液晶聚合物的玻璃化转变温度(Tg),熔点(Tm)和清亮点(Ti)随手性单体含量的增加而降低.
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