Chapter 7. Contact Angle Phenomena and Wetting

  1. Hans-Jürgen Butt,
  2. Karlheinz Graf and
  3. Michael Kappl

Published Online: 25 AUG 2004

DOI: 10.1002/3527602313.ch7

Physics and Chemistry of Interfaces

Physics and Chemistry of Interfaces

How to Cite

Butt, H.-J., Graf, K. and Kappl, M. (2003) Contact Angle Phenomena and Wetting, in Physics and Chemistry of Interfaces, Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim, FRG. doi: 10.1002/3527602313.ch7

Author Information

  1. MPI für Polymerforschung Mainz, Germany

Publication History

  1. Published Online: 25 AUG 2004
  2. Published Print: 26 SEP 2003

ISBN Information

Print ISBN: 9783527404131

Online ISBN: 9783527602315

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Keywords:

  • contact angle phenomena;
  • wetting;
  • Young's equation;
  • line tension;
  • wetting geometries;
  • capillary rise;
  • fibres;
  • measurement of the contact angle;
  • surface roughness;
  • heterogeneity;
  • dynamics of wetting and dewetting;
  • flotation;
  • detergency;
  • microfluidics;
  • adjustable wetting

Summary

This chapter contains sections titled:

  • Young's equation

    • The contact angle

    • Derivation

    • The line tension

    • Complete wetting

  • Important wetting geometries

    • Capillary rise

    • Particles in the liquid–gas interface

    • Network of fibres

  • Measurement of the contact angle

    • Experimental methods

    • Hysteresis in contact angle measurements

    • Surface roughness and heterogeneity

  • Theoretical aspects of contact angle phenomena

  • Dynamics of wetting and dewetting

    • Wetting

    • Dewetting

  • Applications

    • Flotation

    • Detergency

    • Microfluidics

    • Adjustable wetting

  • Summary

  • Exercises