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Influence of Perfluoroarene-Arene Interactions on the Phase Behavior of Liquid Crystalline and Polymeric Materials
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1999
Year
EngineeringLiquid Crystalline ElastomerChemistrySoft MatterSimple LiquidPolymersPhase SeparationCrystal FormationMesogenic PhasePolymer ChemistryEnlarged Temperature RangeMaterials ScienceMolecular SolidPhysicsCrystal MaterialCrystallographyPolymeric MaterialsPerfluoroarene-arene InteractionsChiral Liquid-crystalline TriphenyleneNatural SciencesSelf-assemblyPolymer SciencePolymer PropertyLiquid Crystalline
A stabilization of the liquid-crystalline mesophase and thus an enlarged temperature range of the mesogenic phase is achieved by adding perfluorotriphenylene to a chiral liquid-crystalline triphenylene. This mesophase is based on 1:1 perfluoroarene-arene interactions (see picture). In a polymer with triphenylenes as mesogens in the side chains, the addition of perfluorotriphenylene led to crystallization.