| Issue |
J. Phys. II France
Volume 7, Number 3, March 1997
|
|
|---|---|---|
| Page(s) | 401 - 407 | |
| DOI | https://doi.org/10.1051/jp2:1997133 | |
DOI: 10.1051/jp2:1997133
J. Phys. II France 7 (1997) 401-407
1 Service de Physique de l'État Condensé, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
2 Department of Chemistry, University of Alabama, Birmingham, AL 35294, USA
3 Service des Interfaces et Matériaux Moléculaires et Macromoléculaires, CEA Grenoble, 17 rue des Martyrs, 38054 Grenoble Cedex, France
© Les Editions de Physique 1997
J. Phys. II France 7 (1997) 401-407
Spontaneous Buckling Induced by the Adsorption of Charged Copolymers at the Air-Water Interface
Philippe Fontaine1, Jean Daillant1, Patrick Guenoun1, Michel Alba1, Alan Braslau1, Jimmy W. Mays2, Jean-Marc Petit3 and François Rieutord31 Service de Physique de l'État Condensé, CEA Saclay, 91191 Gif-sur-Yvette Cedex, France
2 Department of Chemistry, University of Alabama, Birmingham, AL 35294, USA
3 Service des Interfaces et Matériaux Moléculaires et Macromoléculaires, CEA Grenoble, 17 rue des Martyrs, 38054 Grenoble Cedex, France
(Received 29 November 1996, revised 19 December 1996, accepted 10 January 1997)
Abstract
We present results of the adsorption of charged diblock copolymers at the free interface between air and solution. These copolymers
are water soluble and act as surfactants above some concentration. Through thermodynamic and diffuse X-ray surface scattering
measurements, we demonstrate the influence of the concentration on the formed adsorbed layer. While sufficiently long copolymers
adsorb by forming structures which do not deform the interface, short copolymers are shown to induce buckling of the interface
due to interchain interactions.
© Les Editions de Physique 1997