Title: Superhydrophobic aluminum surfaces by deposition of micelles of fluorinated block copolymers
Authors: Desbief, Simon ×
Grignard, Bruno
Detrembleur, Christophe
Rioboo, Romain
Vaillant, Alexandre
Seveno, David
Voué, Michel
De Coninck, Joel
Jonas, Alain M
Jérôme, Christine
Damman, Pascal
Lazzaroni, Roberto #
Issue Date: Feb-2010
Publisher: American Chemical Society
Series Title: Langmuir vol:26 issue:3 pages:2057-2067
Article number: 10.1021/la902565y
Abstract: Superhydrophobic surfaces are generated by chemisorption on aluminum substrates of fluorinated block copolymers synthesized by reversible addition-fragmentation chain transfer in supercritical carbon dioxide. In an appropriate solvent, those block copolymers can form micelles with a fluorinated corona, which are grafted on the aluminum substrate thanks to the presence of carboxylic acid groups in the corona. Water contact angle and drop impact analysis were used to characterize the wettability of the films at the macroscale, and atomic force microscopy measurements provided morphological information at the micro- and nanoscale. The simple solvent casting of the polymer solution on a hydroxylated aluminum surface results in a coating with multiscale roughness, which is fully superhydrophobic over areas up to 4 cm(2).
ISSN: 0743-7463
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Structural Composites and Alloys, Integrity and Nondestructive Testing
× corresponding author
# (joint) last author

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