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High strain sustaining, nitrile rubber based, large-area, superhydrophobic, nanostructured composite coatings

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Title: High strain sustaining, nitrile rubber based, large-area, superhydrophobic, nanostructured composite coatings
Author(s): Schutzius, Thomas M.; Tiwari, Manish K.; Bayer, Ilker S.; Megaridis, Constantine M.
Subject(s): Nano-structures thin films
Abstract: Elastomeric superhydrophobic nanostructured composite coatings scalable to large areas are prepared by spray casting particle-polymer dispersions. The dispersions consist of nanostructured carbon black particles along with submicrometer-sized poly(tetrafluoroethylene) particles dispersed in nitrile rubber solution in acetone, with the goal to attain superhydrophobicity with minimal content of particle fillers. The coatings are applied on various flexible substrates, which are subsequently stretched uniaxially. Upon drying, water droplet roll-off (sliding) angle measurements are performed to quantify the self-cleaning ability of coated substrates being stretched uniaxially to 30% strain (coated silicone rubber) and 70% strain (coated polyester fabric). The coatings conform to the stretching of the substrates, while maintaining the self-cleaning property throughout this range. Self-cleaning is also maintained for cyclical stretching of coated substrates for strains 0–30% (coated silicone rubber) and 0–70% (coated polyester fabric) demonstrating the coatings’ functional recovery. Droplet roll-off angles below 10° reveal good self-cleaning ability for these coatings.
Issue Date: 2011-04-03
Publisher: Elsevier
Citation Info: Schutzius, T. M., Tiwari, M. K., Bayer, I. S., & Megaridis, C. M. 2011. High strain sustaining, nitrile rubber based, large-area, superhydrophobic, nanostructured composite coatings. Composites Part A: Applied Science and Manufacturing, 42(8): 979-985. DOI: 10.1016/j.compositesa.2011.03.026.
Type: Article
Description: NOTICE: this is the author’s version of a work that was accepted for publication in Composites Part A. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Composites Part A, Vol 42, Issue 8, 2011. DOI: 10.1016/j.compositesa.2011.03.026 The original publication is available at www.elsevier.com.
URI: http://hdl.handle.net/10027/8208
ISSN: 1359-835X
Date Available in INDIGO: 2012-03-15
 

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