| Titre : |
Water affinity guided tunable superhydrophobicity and optimized wettability of selected natural minerals |
| Type de document : |
texte imprimé |
| Auteurs : |
Hande Alptekin, Auteur ; Emre Arkan, Auteur ; Cebrail Özbek, Auteur ; Mustafa Can, Auteur ; Amir Farzaneh, Auteur ; Mücahit Sütçü, Auteur ; Salih Okur, Auteur ; Andrew J. Cobley, Auteur |
| Année de publication : |
2019 |
| Article en page(s) : |
p. 199-211 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Catégories : |
Caractérisation
Greffage (chimie)
Hydrophobie
Mouillabilité
Revêtements protecteurs
Silanes
Surfaces (technologie)
Terre de diatomée
|
| Index. décimale : |
667.9 Revêtements et enduits |
| Résumé : |
We present a feasible methodology to prepare nonwetting surfaces from natural minerals. Various ranges of silanes were used for the surface grafting, and the best customization was achieved by monochlorosilane. Water affinity analysis of surface functionalized diatomaceous earth was the key aspect of loading tunable wettability on the particle surface. Covalent attachment was confirmed via X-ray photoelectron spectroscopy (XPS), while thermogravimetric analysis, nitrogen adsorption isotherms, and contact angle measurements were used for the evaluation of grafting density and other fundamental features of hydrophobic particles. Diatomaceous earth was chosen as a prototype to develop an efficient strategy for surface modification which can be apposite to another natural particle, the so-called talc, which represents dichotomic performance to water. The present study paves the way for a new approach that can be employed to any proper inherent texture for the production of superhydrophobic powders. |
| Note de contenu : |
- Materials
- Synthesis of superhydrophobic diatomaceous earth
- Characterization of samples
|
| DOI : |
10.1007/s11998-018-0115-y |
| En ligne : |
https://link.springer.com/article/10.1007/s11998-018-0115-y |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31985 |
in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 16, N° 1 (01/2019) . - p. 199-211
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