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Investigation of terminal olefine in the isothiocyanatotolane liquid crystals with alkoxy end group
Li, J. L.; Peng, Z. H.; Chen, R.; Li, J.; Hu, M. G.; Zhang, L.; An, Z. W.
2018
发表期刊Liquid Crystals
ISSN0267-8292
卷号45期号:10页码:1498-1507
摘要Three series of liquid crystals based on isothiocyanatotolane core with terminal alkenoxy groups (4A-14C-2) have been synthesised via multi-step reactions. Their thermotropic mesophases and physical properties are evaluated by comparison with the alkoxyl analogues (4a-14c-2). The results show that the isothiocyanatotolane LCs with alkenoxyl terminals deliver higher birefringence (0.410 similar to 0.436), lower melting points, lower melting enthalpies and viscosity. The effects of the alkenoxy terminal groups and the lateral fluoro substituents on the mesomorphic behaviour and physical properties are discussed. The formulation of the mixture containing isothiocyanatotolane liquid crystals with alkenoxyl terminals provides evidence of an useful candidate for liquid crystal photonics.
关键词Isothiocyanatotolanes alkenoxy group birefringence melting point rotational viscosity negative dielectric anisotropy mesomorphic properties optical-properties terahertz mixtures Chemistry Crystallography Materials Science
DOI10.1080/02678292.2018.1449026
收录类别SCI
引用统计
文献类型期刊论文
条目标识符http://ir.ciomp.ac.cn/handle/181722/60706
专题中国科学院长春光学精密机械与物理研究所
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GB/T 7714
Li, J. L.,Peng, Z. H.,Chen, R.,et al. Investigation of terminal olefine in the isothiocyanatotolane liquid crystals with alkoxy end group[J]. Liquid Crystals,2018,45(10):1498-1507.
APA Li, J. L..,Peng, Z. H..,Chen, R..,Li, J..,Hu, M. G..,...&An, Z. W..(2018).Investigation of terminal olefine in the isothiocyanatotolane liquid crystals with alkoxy end group.Liquid Crystals,45(10),1498-1507.
MLA Li, J. L.,et al."Investigation of terminal olefine in the isothiocyanatotolane liquid crystals with alkoxy end group".Liquid Crystals 45.10(2018):1498-1507.
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