Abstract
We propose proton NMR and longitudinal relaxation experiments to study the structure and dynamics of water within calibrated hydrophobic mesoporous silica samples. We show the relevance of these methods to qualify the hydrophobic treatment for a water–substrate combination corresponding to a non-wetting situation. Une méthode basée sur la spectroscopie RMN et la relaxation spin–réseau du proton pour étudier la structure et la dynamique de l’eau dans des échantillons calibrés de silice mésoporeuse fonctionnalisée est proposée. Nous montrons l’efficacité de cette méthode pour caractériser le traitement hydrophobe d’un substrat en contact avec de l’eau en situation non mouillante.
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