About: Effect of a bulky lateral substitution by chlorine atom and methoxy group on self-assembling properties of lactic acid derivatives

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About: Effect of a bulky lateral substitution by chlorine atom and methoxy group on self-assembling properties of lactic acid derivatives Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Several chiral LCs derived from the lactic acid have been studied with the aim to establish the effect of bulky lateral substituents on mesomorphic and structural properties. A chlorine atom and methoxy group have been used as lateral substituents in para position on phenyl ring far from the chiral centre. All the studied materials possess the ferroelectric tilted smectic C* phase in a broad temperature range. In dependence on the molecular structure namely type of lateral substituent and length of the chiral chain, the cholesteric phase, paraelectric orthogonal smectic A phase and hexagonal smectic B (eventually crystal B) phases have been detected. Lateral chlorine substitution results in decrease of the clearing point and crystallization temperature as well as in increase of the spontaneous polarization. Bulky methoxy substitution slightly supress the spontaneous polarisation but strongly increase the melting point that results in monotropic peculiarity of the SmC* phase. Several chiral LCs derived from the lactic acid have been studied with the aim to establish the effect of bulky lateral substituents on mesomorphic and structural properties. A chlorine atom and methoxy group have been used as lateral substituents in para position on phenyl ring far from the chiral centre. All the studied materials possess the ferroelectric tilted smectic C* phase in a broad temperature range. In dependence on the molecular structure namely type of lateral substituent and length of the chiral chain, the cholesteric phase, paraelectric orthogonal smectic A phase and hexagonal smectic B (eventually crystal B) phases have been detected. Lateral chlorine substitution results in decrease of the clearing point and crystallization temperature as well as in increase of the spontaneous polarization. Bulky methoxy substitution slightly supress the spontaneous polarisation but strongly increase the melting point that results in monotropic peculiarity of the SmC* phase. (en)
Title	Effect of a bulky lateral substitution by chlorine atom and methoxy group on self-assembling properties of lactic acid derivatives Effect of a bulky lateral substitution by chlorine atom and methoxy group on self-assembling properties of lactic acid derivatives (en)
skos:prefLabel	Effect of a bulky lateral substitution by chlorine atom and methoxy group on self-assembling properties of lactic acid derivatives Effect of a bulky lateral substitution by chlorine atom and methoxy group on self-assembling properties of lactic acid derivatives (en)
skos:notation	RIV/68378271:_____/14:00430064!RIV15-GA0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-14133S)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bubnov, Alexej Kašpar, Miroslav Hamplová, Věra
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	13084
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/14:00430064
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ferroelectric liquid crystal; lactic acid derivative; lateral substitution; methoxy group; chlorine substitution; dielectric spectroscopy (en)
http://linked.open.../riv/klicoveSlovo	chlorine substitution lateral substitution methoxy group dielectric spectroscopy ferroelectric liquid crystal lactic acid derivative
http://linked.open...odStatuVydavatele	CH - Švýcarská konfederace
http://linked.open...ontrolniKodProRIV	[5AAF41CD4E60]
http://linked.open...i/riv/nazevZdroje	Materials Chemistry and Physics
http://linked.open...in/vavai/riv/obor	JJ
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Perspektivní funkční materiály s polárním uspořádáním v nano měřítku
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	146
http://linked.open...iv/tvurceVysledku	Bubnov, Alexej Hamplová, Věra Kašpar, Miroslav Cvetinov, M. Obadović, D.Ž. Stojanović, M.
http://linked.open...ain/vavai/riv/wos	000336467900004
issn	0254-0584
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.matchemphys.2014.02.036

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