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Monolayers of rod-shaped and disc-shaped liquid crystalline compounds at the air-water interface

  • Polymer Science
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Abstract

Calamitic (rod-shaped) and discotic (disc-shaped) thermotropic liquid crystalline (LC) compounds were spread at the air-water interface, and their ability to form monolayers was studied. The calamitic LCs investigated were found to form monolayers which behave analogously to conventional amphiphiles such as fatty acids. The spreading of the discotic LCs produced monolayers as well, but with a behaviour different from classical amphiphiles. The areas occupied per molecule are too small to allow the contact of all hydrophilic groups with the water surface and the packing of all hydrophobic chains. Various molecular arrangements of the discotics at the water surface to fit the spreading data are discussed.

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Author notes

  1. H. Ringsdorf

    Present address: Institut für Organische Chemie, Universität Mainz, F.R.G.

Authors and Affiliations

  1. Institut für Organische Chemie, Universität Mainz, F.R.G.

    O. Albrecht, W. Kreuder & A. Laschewsky

  2. Polaroid Corp., Cambridge, Mass, USA

    W. Cumming

Authors
  1. O. Albrecht
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  2. W. Cumming
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  3. W. Kreuder
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  4. A. Laschewsky
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  5. H. Ringsdorf
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Albrecht, O., Cumming, W., Kreuder, W. et al. Monolayers of rod-shaped and disc-shaped liquid crystalline compounds at the air-water interface. Colloid & Polymer Sci 264, 659–667 (1986). https://doi.org/10.1007/BF01469526

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  • DOI: https://doi.org/10.1007/BF01469526

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