Synthesis, Characterization, and Properties of Thermotropic Novel Liquid Crystal Photosensitive Polymers Containing Mesogen and Photocrosslinkable Group
作者:Sivakumar Jeyasheela、Kathavarayan Subramanian
DOI:10.1080/15421406.2012.657135
日期:2012.8.22
A series of side chain liquid crystalline photosensitive polymers containing methyl methacrylate followed by the spacer and chalcone moiety were synthesized and characterized. Monomers, namely 4-[4biphenyl oxy carbonyl phenyl oxy carbonyl} phenyl carbonyl ethylene phenyl] oxy butyl methacrylate (BOCPOCPCEPOBMA) and 4-[41-methoxy phenyl oxy carbonyl phenyl oxy carbonyl} phenyl carbonyl ethylene phenyl]
合成并表征了一系列含有甲基丙烯酸甲酯、间隔基和查耳酮部分的侧链液晶光敏聚合物。单体,即4-[4联苯氧羰基苯氧羰基}苯基羰基乙烯苯基]甲基丙烯酸氧丁酯(BOCPOCPCEPOBMA)和4-[41-甲氧基苯氧羰基苯氧羰基}苯基羰基乙烯苯基]甲基丙烯酸氧辛酯(MPOCPOCPCEPOOMA) 被合成并随后使用过氧化苯甲酰作为引发剂聚合。通过FT-IR、1H-NMR和13C-NMR分析表征化学结构和纯度。通过紫外光谱研究聚合物的光交联研究。交联速率随着亚甲基链长度的增加而增加。差示扫描量热仪 (DSC) 分析的结果证实了聚合物中中间相的形成。热台光学偏光显微镜 (HOPM) 显示聚 (BOCPOCPCEPOBMA) 和聚 (MPOCPOCPCEPOOMA) 存在向列相。