Issue 22, 2010
From the journal:

Soft Matter

Hierarchical wrinkling patterns†

Hugues Vandeparre,‡a   Sylvain Gabriele,‡a   Fabian Brau,a   Cyprien Gay,b   Kevin Kit Parkerc  and  Pascal Damman*a  

* Corresponding authors

a Interfaces & Fluides Complexes, Université de Mons, Laboratoire & Fluides Complexes, CIRMAP, Université de Mons, 20, Place du Parc, Mons, Belgium
E-mail: pascal.damman@umons.ac.be

b Laboratoire Matière et Système Complexes, Université Paris Diderot - Paris 7, Paris Cedex 13, France

c Disease Biophysics Group, School of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Pierce Hall 322a, Cambridge, MA, USA

Abstract

This paper reports a simple and flexible method for generating hierarchical patterns from wrinkling instability. Complex features with gradually changing topographies are generated by using the spontaneous wrinkling of a rigid membrane (titanium) on a soft foundation (polystyrene) compressed via the diffusion of a solvent. We show that the morphology of these unreported wrinkled patterns is directly related to the rheological properties of the polymer layer and the geometry of the diffusion front. Based on these ingredients, we rationalize the mechanism for the formation of hierarchical wrinkling patterns and quantify our experimental findings with a simple scaling theory. Finally, we illustrate the relevance of our structuration method by studying the mechanosensitivity of fibroblasts.

Graphical abstract: Hierarchical wrinkling patterns

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Article information

DOI
https://doi.org/10.1039/C0SM00394H
Article type
Paper
Submitted
18 May 2010
Accepted
02 Jul 2010
First published
19 Aug 2010

Soft Matter, 2010,6, 5751-5756

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Hierarchical wrinkling patterns

H. Vandeparre, S. Gabriele, F. Brau, C. Gay, K. K. Parker and P. Damman, Soft Matter, 2010, 6, 5751 DOI: 10.1039/C0SM00394H

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