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Proceedings Paper

Designing superhydrophobic surfaces using fluorosilsesquioxane-urethane hybrid and porous silicon gradients
Author(s): Aravindaraj G. Kannan; Steven J. P. McInnes; Namita R. Choudhury; Naba K. Dutta; Nicolas H. Voelcker
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Paper Abstract

Here we describe a new class of near superhydrophobic surfaces formed using fluorinated polyhedral oligosilsesquioxane (FluoroPOSS) urethane hybrids and porous silicon gradients (pSi). We demonstrate that the surface segregation behavior of the hydrophobic fluoro component can be controlled by the type and nature of chain extender of the urethane and resultant hydrophobic association via intra or intermolecular aggregation. The surface film formed exhibits near superhydrophobicity. This work has significant potential for applications in antifouling and self-cleaning coatings, biomedical devices, microfluidic systems and tribological surfaces.

Paper Details

Date Published: 30 December 2008
PDF: 10 pages
Proc. SPIE 7267, Smart Materials V, 72670O (30 December 2008); doi: 10.1117/12.812082
Show Author Affiliations
Aravindaraj G. Kannan, Univ. of South Australia (Australia)
Steven J. P. McInnes, Flinders Univ. (Australia)
Namita R. Choudhury, Univ. of South Australia (Australia)
Naba K. Dutta, Univ. of South Australia (Australia)
Nicolas H. Voelcker, Flinders Univ. (Australia)

Published in SPIE Proceedings Vol. 7267:
Smart Materials V
Nicolas H. Voelcker; Helmut W. Thissen, Editor(s)

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