MESOGEN COMPOUNDS

MESOGEN COMPOUNDS

The present invention relates to optionally polymerizable mesogen compounds that include a polyvalent non-mesogenic core X to which is bonded three or four separate extensions, where each extension independently includes, in sequence, a linking group -L-, and a mesogen group -[Mesogen]. The mesogen...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: GRUBB, Alan M, LI, Yannian, REDDY, Ramaiahgari, KUMAR, Anil
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADHESIVES
CHEMISTRY
DYES
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:The present invention relates to optionally polymerizable mesogen compounds that include a polyvalent non-mesogenic core X to which is bonded three or four separate extensions, where each extension independently includes, in sequence, a linking group -L-, and a mesogen group -[Mesogen]. The mesogen compounds are represented by the following Formula (I), With reference to Formula (I), v is 3 or 4; t is 0 or 1; at least one Mesogen includes at least four cyclic groups; each -L- independently has an average chain length of at least 15 bonds; and at least one -L- has an average chain length of at least 25. Also described are liquid crystal compositions that include such mesogen compounds, and optical elements that include such mesogen compounds.