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	Synthesis and mesomorphic properties of some fluorinated benzoate liquid crystals
	Yang YG(杨永刚) ; CHEN HAO ; Tang G(唐赓) ; Wen JX(闻建勋)
刊名	Mol. Cryst. Liquid Cryst.
	2002
卷号	373页码:1-15
ISSN号	1058-725X
其他题名	Synthesis and mesomorphic properties of some fluorinated benzoate liquid crystals
通讯作者	杨永刚
英文摘要	Three series of [4-(4'-n-alkyloxyphenyl)acetylenyl]-2,6-difluorophenyl fluorinated benezoates and one series of fluorinated benzoates with 2,3,5,6-tetrafluorophenylene group and semi-perfluorocarbon chain have been synthesized. Their phase transition temperatures have been measured by texture observation in a polarizing microscope and confirmed by DSC. For the series without fluorocarbon chains, increasing the quantity of fluorosubstituents on the terminal phenyl groups decreased nematic stability (TN-1), but the breadth of the SmA phase range was increased. Lateral fluorosubstitution in the central group lowered the nematic stability (TN-1) and decreased the breadth of the SmA phase range. The series with semiperfluorocarbon chains were more likely to form SmA phases than the series with hydrogencarbon chains, and with the increasing of fluorosubstituents quantity on the terminal phenyl groups nematic and SmA stability (T(N-)1 and TSmA-N) were both decreased.
学科主题	氟化学
收录类别	SCI
原文出处	http://dx.doi.org/10.1080/10587250210534
语种	英语
WOS记录号	WOS:000175886800001
公开日期	2013-02-28
内容类型	期刊论文
源URL	[http://202.127.28.38/handle/331003/21669]
专题	上海有机化学研究所_中科院有机氟化学重点实验室
推荐引用方式 GB/T 7714	Yang YG,CHEN HAO,Tang G,et al. Synthesis and mesomorphic properties of some fluorinated benzoate liquid crystals[J]. Mol. Cryst. Liquid Cryst.,2002,373:1-15.
APA	杨永刚,CHEN HAO,唐赓,&闻建勋.(2002).Synthesis and mesomorphic properties of some fluorinated benzoate liquid crystals.Mol. Cryst. Liquid Cryst.,373,1-15.
MLA	杨永刚,et al."Synthesis and mesomorphic properties of some fluorinated benzoate liquid crystals".Mol. Cryst. Liquid Cryst. 373(2002):1-15.

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