Hydrogen-bonded liquid crystal complexes
AssigneeCornell Research Foundation, Inc.
InventorsJean M. J. Frechet, Takashi Kato
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Abstract
Novel thermotropic liquid crystal complexes are produced by hydrogen bonding, essentially along the long axes, of two different thermotropic mesogenic compounds. The resultant new mesogenic complexes so produced exhibit mesogenic behavior not only over an expanded temperature range than both of the parent compounds, but also at a higher temperature than for either compound individually. This invention is applicable to both nematic and smectic mesogens.
Claims16
A mesogenic complex of a hydrogen donor mesogen and a hydrogen acceptor mesogen wherein the hydrogen donor and hydrogen acceptor mesogens are different chemical species which contain different functional groups as H-bond donor and H-bond acceptor and a hydrogen bond is formed between said different functional groups which is sufficiently along the long axes of each mesogen such that the resultant complex exhibits an isotropization temperature which is in excess of the isotropization temperatures of both the hydrogen donor and hydrogen acceptor mesogens.
Dependencies are inferred from the claim text.