FLC Mixtures with Broad Temperature Ranges

Autor:	R. Sinta, T. G. Adams
Rok vydání:	1989
Předmět:	chemistry.chemical_compound Crystallography chemistry Liquid crystal Mesogen Fluorine Substituent chemistry.chemical_element Molecule Organic chemistry Aromaticity Thermal stability Ether
Zdroj:	Molecular Crystals and Liquid Crystals Incorporating Nonlinear Optics. 177:145-153
ISSN:	1044-1859
DOI:	10.1080/00268948908047778
Popis:	A number of ferroelectric liquid crystal mixtures have been formulated which exhibit enhanced Sc* phase thermal stability. In some cases the Sc* ranges exceed 100°C (e.g. -30°C → 100°C). The mixture components were chosen from a series of chiral LC molecules containing 2-methylbutyl head groups and tails which contain oxyethylene moieties some of which are substituted with fluorine atoms. The mesogenic cores comprise three phenyl rings interconnected via a single ester linkage (i.e. ‒Ph‒Ph‒CO2‒Ph‒). In some cases, the cores contain a single fluorine substituent on one of the aromatic rings.
Databáze:	OpenAIRE
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