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Title: Multifunctional superamphiphobic fabrics with asymmetric wettability for one-way fluid transport and templated patterning
Authors: Liu, Hui
Huang, Jianying
Li, Feiyang
Chen, Zhong
Zhang, Ke-Qin
Al-Deyab, Salem S.
Lai, Yuekun
Keywords: Dip-coating
Issue Date: 2017
Source: Liu, H., Huang, J., Li, F., Chen, Z., Zhang, K.-Q., Al-Deyab, S. S., et al. (2017). Multifunctional superamphiphobic fabrics with asymmetric wettability for one-way fluid transport and templated patterning. Cellulose, 24(2), 1129-1141.
Series/Report no.: Cellulose
Abstract: In this work, multifunctional superamphiphobic fabrics with special wettability were constructed by a facile dip-coating or electrospraying process using easily available materials, viz. silica nanoparticles, heptadecafluorononanoic, and fluoroalkyl silane. The obtained HFA–FAS–SiO2 NPs@surface exhibited a contact angle (CA) of 166.4 ± 3.7° and 155.9 ± 2.1° to water and hexadecane, respectively. In addition, this surface also showed stable repellency toward various corrosive droplets at a wide range of pH values, including HCl (pH = 1), NaCl (pH = 7), and NaOH (pH = 14) solutions. After immersion in the strong acid and base solutions for 24 h, the cotton surface still maintained excellent anti-wetting property. The surface was durable enough to withstand 120 cycles of abrasion and 5 cycles of accelerated standard laundry and still kept a water CA higher than 140° and an oil CA higher than 120°. Another treatment method adopted in this work, electrospraying has been proved to be able to realize asymmetric wetting with one side displaying highly anti-wetting behavior and the other side retaining the inherent hydrophilic and oleophilic nature of the pristine cotton fabric. Based on this special wettability, the obtained fabric could display a one-way directional transport feature. This method can also be extended to create hydrophilically and oleophilically patterned superamphiphobic cotton fabrics using a template. This novel fabric is useful for the development of intelligent cellulose-based substrates for various applications.
ISSN: 0969-0239
DOI: 10.1007/s10570-016-1177-6
Rights: © 2016 Springer Science+Business Media Dordrecht. This is the author created version of a work that has been peer reviewed and accepted for publication by Cellulose, Springer Science+Business Media Dordrecht. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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