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β 氯乙基缩水甘油醚 (GCE)和GCE/羟丁基乙烯基醚 (HBVE)分别通过阳离子聚合、光引发共聚合 ,获得两种聚醚 ,然后再分别与 4 硝基 4′ 羟基 (NHS)反应 ,制备了两种侧链含生色团的液晶聚合物(PSEG、PSV) .用FTIR、1H NMR和EA对其化学结构及生色团含量进行了表征 ,以POM、DSC、TGA和WAXD对聚合物介晶相转变温度、织构、热稳定性及相行为进行了研究 .结果表明 ,这类聚合物属向列型热致双向性液晶 ,液晶相转变温度较低、范围较宽 ;聚合物热稳定性较好 ,开始分解温度在 30 0℃以上 .
β-chloroethyl glycidyl ether (GCE) and GCE / hydroxybutyl vinyl ether (HBVE) were respectively subjected to cationic polymerization and photo-initiated copolymerization to obtain two kinds of polyethers, which were then reacted with 4 nitro 4’hydroxylium NHS), two kinds of PSEG (PSEG, PSV) with side-chain chromophores were prepared.The chemical structure and chromophore content were characterized by FTIR, 1H NMR and EA.The POM, DSC, TGA and WAXD were used to study the transition temperature, texture, thermal stability and phase behavior of the polymers.The results show that these polymers belong to the nematic thermotropic two-way liquid crystal with low liquid crystal phase transition temperature, Wider; thermal stability of the polymer is good, began to decompose at a temperature above 30 0 ℃.