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Spreading dynamics of 2D dipolar Langmuir monolayer phases

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Abstract.

We study the spreading of a liquid 2D dipolar droplet in a Langmuir monolayer. Interfacial tensions (line tensions) and microscopic contact angles depend on the scale on which they are probed and obey a scaling law. Assuming rapid equilibration of the microscopic contact angle and ideal slippage of the 2D solid/liquid and solid/gas boundary, the driving force of spreading is merely expressed by the shape-dependent long-range interaction integrals. We obtain good agreement between experiment and numerical simulations using this theory.

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Authors and Affiliations

  1. Department of Chemistry and Biochemistry, The Florida State University, FL 32306, Tallahassee, USA

    P. Heinig & Th M. Fischer

  2. Pentapharm GmbH Diagnostic Division, Kreillerstrasse 21, 81673, Munich, Germany

    S. Wurlitzer

Authors
  1. P. Heinig
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  2. S. Wurlitzer
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  3. Th M. Fischer
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Corresponding author

Correspondence to Th M. Fischer.

Additional information

Received: 15 April 2004, Published online: 27 July 2004

PACS:

68.08.Bc Wetting - 83.50.Lh Slip boundary effects (interfacial and free surface flows) - 82.45.-h Electrochemistry and electrophoresis

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Heinig, P., Wurlitzer, S. & Fischer, T.M. Spreading dynamics of 2D dipolar Langmuir monolayer phases. Eur. Phys. J. E 14, 293–298 (2004). https://doi.org/10.1140/epje/i2004-10016-2

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  • DOI: https://doi.org/10.1140/epje/i2004-10016-2

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