胆甾醇或薯蓣皂素封端的聚三亚甲基碳酸酯及其液晶性能研究

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利用扩链反应活化了胆甾醇或薯蓣皂素端羟基的反应活性,制备了基于胆甾醇或薯蓣皂素衍生物的甾体化合物,并以其为引发剂引发了三亚甲基碳酸酯(TMC)的本体开环聚合反应,制备了胆甾醇或薯蓣皂素封端的聚三亚甲基碳酸酯,采用核磁(1H-NMR)、差示扫描量热仪(DSC)和偏光显微镜(POM)等手段对其结构及液晶性能进行测试表征.结果 表明:胆甾基元或薯蓣皂素基的引入赋予了聚三亚甲基碳酸酯液晶性能,且液晶基元的结构对其液晶性能具有显著影响.
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