Design, mesomorphic properties and rheological characterization of a novel calamitic low molecular weight liquid crystal

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F17%3A00483778" target="_blank" >RIV/68378271:_____/17:00483778 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Design, mesomorphic properties and rheological characterization of a novel calamitic low molecular weight liquid crystal
Original language description
Electrorheological (ER) fluids are smart materials that experience an abrupt increase of viscosity when subjected to an external electric field applied perpendicular to the flow field. The reversible change in viscosity turns them suitable for applications in mechanical devices, like brakes, damping systems and clutches. Among the fluids capable of presenting ER effect are self-assembling materials, specifically the LCs. In this work the design and mesomorphic properties of a novel calamitic low molecular weight LC are presented. Small angle oscillatory shear measurements and steady state measurements were performed, in the nematic and smectic A phases, respectively, without and with an electric field applied perpendicular to the flow direction. The increase of the viscosity values was found less than three times while increasing the electric field up to 2 kV/mm. It gives evidence that this specific LC material can be potentially appropriate for application in electro-optic devices.n
Czech name
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Czech description
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Project
<a href="/en/project/GA16-12150S" target="_blank" >GA16-12150S: Self-assembling photosensitive materials with multiple functionality</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2017
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
Proceedings of the Iberian Meeting on Rheology - The Multidisciplinary Science of Rheology - Towards a healthy and sustainable development
ISBN
978-84-697-5123-7
ISSN
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e-ISSN
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Number of pages
4
Pages from-to
151-154
Publisher name
Valencia
Place of publication
Spain
Event location
Valencia
Event date
Aug 8, 2017
Type of event by nationality
EUR - Evropská akce
UT code for WoS article
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