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Solvent-Free Reactive Vapor Deposition for Functional Fabrics: Separating Oil–Water Mixtures with Fabrics

Department of Chemistry, University of Massachusetts Amherst, Amherst, MA 01003, USA
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Fibers 2019, 7(1), 2; https://doi.org/10.3390/fib7010002
Received: 18 November 2018 / Revised: 11 December 2018 / Accepted: 22 December 2018 / Published: 1 January 2019
(This article belongs to the Special Issue Smart Coatings on Fibers and Textiles)
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Abstract

A facile, solvent-minimized approach to functionalize commercial raw fabrics is described. Reactive vapor deposition of conjugated polymers followed by post-deposition functionalization transforms common, off-the-shelf textiles into distinctly hydrophobic or superhydrophilic materials. The fabric coatings created by reactive vapor deposition are especially resistant to mechanical and solvent washing, as compared to coatings applied by conventional, solution-phase silane chemistries. Janus fabrics with dissimilar wettability on each face are also easily created using a simple, three-step vapor coating process, which cannot be replicated using conventional solution phase functionalization strategies. Hydrophobic fabrics created using reactive vapor deposition and post-deposition functionalization are effective, reusable, large-volume oil–water separators, either under gravity filtration or as immersible absorbants.
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Keywords: reactive vapor deposition; hydrophobic; Janus material; absorbant; separation reactive vapor deposition; hydrophobic; Janus material; absorbant; separation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Cheng, N.; Park, K.-W.; Andrew, T.L. Solvent-Free Reactive Vapor Deposition for Functional Fabrics: Separating Oil–Water Mixtures with Fabrics. Fibers 2019, 7, 2.

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