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| rdf:type
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| Description
| - Bylo studováno mesomorfní chování několika řad materiálů odvozených od kyseliny mléčné a srovnány jejich fyzikální vlastnosti. Studované homology s jedním, třemi nebo čtyřmi laktátovými skupinami nevykazují sice antiferoelektrickou fázi, ale byly u nich pozorovány SmA a SmC* fáze v širokém rozsahu teplot zasahujícím až do pokojové teploty. Přítomnost keto skupiny zvyšuje teploty přechodů a hodnoty spontánní polarizace polární kapalně krystalické fáze. Molekuly s etherovou skupinou a keto skupinou mají různé rozložení elektronových hustot, což se zdá být zodpovědné za rozdíly v mesomorfním chování látek. Rovněž je diskutován pro tento typ molekul vliv struktury koncového řetězce molekuly na jejich schopnost tvořit polární mezofáze. (cs)
- Mesomorphic behaviour of several series of materials derived from the lactic acid has been studied and their physical properties have been compared and summarized. The studied homologues with one, three or even four lactate groups do not exhibit the antiferroelectric phase, but possess a broad range of the SmA and SmC* phases down to room temperatures. The presence of the keto group increases the temperature range and values of the spontaneous polarisation of polar liquid crystalline phases. Molecules with ether or keto groups have a different distribution of electron densities that seems to be responsible for the difference in the mesomorphic properties. The relationship between the molecular chain structure and mesomorphic properties of lactic acid derivatives with particular molecular core forming the polar mesophases are discussed.
- Mesomorphic behaviour of several series of materials derived from the lactic acid has been studied and their physical properties have been compared and summarized. The studied homologues with one, three or even four lactate groups do not exhibit the antiferroelectric phase, but possess a broad range of the SmA and SmC* phases down to room temperatures. The presence of the keto group increases the temperature range and values of the spontaneous polarisation of polar liquid crystalline phases. Molecules with ether or keto groups have a different distribution of electron densities that seems to be responsible for the difference in the mesomorphic properties. The relationship between the molecular chain structure and mesomorphic properties of lactic acid derivatives with particular molecular core forming the polar mesophases are discussed. (en)
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| Title
| - Effect of multilactate chiral part of liquid crystalline molecule on mesomorphic behaviour
- Vliv multilaktátové chirální části kapalně krystalických molekul na jejich mesomorfní chování (cs)
- Effect of multilactate chiral part of liquid crystalline molecule on mesomorphic behaviour (en)
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| skos:prefLabel
| - Effect of multilactate chiral part of liquid crystalline molecule on mesomorphic behaviour
- Vliv multilaktátové chirální části kapalně krystalických molekul na jejich mesomorfní chování (cs)
- Effect of multilactate chiral part of liquid crystalline molecule on mesomorphic behaviour (en)
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| skos:notation
| - RIV/68378271:_____/08:00317248!RIV09-AV0-68378271
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
| - P(IAA100100710), P(OC 175), Z(AV0Z10100520)
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/68378271:_____/08:00317248
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - lactic acid derivative; liquid crystal; ferroelectric liquid crystal; antiferroelectric phase; hexatic phase; keto group; lactate group (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Journal of Molecular Structure
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Glogarová, Milada
- Hamplová, Věra
- Kašpar, Miroslav
- Novotná, Vladimíra
- Bubnov, Alexej M.
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| http://linked.open...ain/vavai/riv/wos
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| is http://linked.open...avai/riv/vysledek
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