合成了一种新型胆甾液晶单体(M1)和一种向列液晶单体(M2),通过与聚硅氧烷(PMHS)接枝共聚得到了系列侧链液晶聚合物P1~P6,通过傅立叶变换红外光谱(FT-IR)、差示扫描量热仪(DSC)、热失重分析(TGA)、偏光显微镜(POM)等手段对聚合物的结构、液晶性能及热性能进行了表征.随着胆甾液晶基元的减少,其玻璃化转变温度(Ta)、清亮点(Ti)逐渐降低.聚合物P1~P6均为胆甾型热致液晶,聚合物呈现出典型的胆甾液晶彩色Grand-jean织构、油丝及焦锥织构,并且颜色随温度升高发生变化.
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