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Phys. Rev. Lett. 82, 936–939 (1999)

Theory of Tackiness

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Cyprien Gay* and Ludwik Leibler
Laboratoire CNRS–Elf Atochem (UMR 167), 95, rue Danton, B.P. 108, 92303 Levallois-Perret cedex, France

Received 15 April 1998; published in the issue dated 1 February 1999

We show that the interplay between surface roughness on micron scale and air suction can yield tack energies much higher than thermodynamic surface energies. Our model provides a quantitative interpretation of highly nonlinear force-versus-separation curves which are usually observed when adhesion forces and energies are high.

© 1999 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.82.936
DOI:
10.1103/PhysRevLett.82.936
PACS:
46.55.+d, 68.35.Gy

*Electronic address: cgay@pobox.com

Electronic address: ludwik.leibler@caldcrd.elf-atochem.fr