Long-lived superhydrophobic colorful surfaces

Xue, Chao-Hua; Zhang, Ping; Ma, Jianzhong; Ji, Peng-Ting; Li, Yaru; She, Jia

doi:10.1039/c3cc40895g

Cited by 99 publications

(65 citation statements)

References 18 publications

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“…Because carboxylic and hydroxyl groups are water absorbing, their presence makes the treated fibers have a hydrophilic surface. Using NaOH to improve the water wettability of polyester fabric has been reported by other researchers, [46][47][48] despite the treatment method is slightly different. SU-8 solution was then deposited on one side of the NaOH pre-treated fabric using an electrospraying technique.…”

Section: Resultsmentioning

confidence: 92%

Directional Water Transport Fabrics with Durable Ultra‐High One‐Way Transport Capacity

Zeng

Wang

Zhou

et al. 2016

Adv Materials Inter

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Fabrics with automatic one‐way water transport ability are highly desirable for applications in daily life, industry, health, and defense. However, most of the studies on one‐way water transport fabrics only report the qualitative water transport results. The lack of quantitative measure makes it hard to assess the directional transport quality. Here, it is proved that a hydrophilic fabric after being electrosprayed with a thin layer of hydrophobic coating on one side shows one‐way water transport ability. By using moisture management tester, the water transport property is qualitatively characterized and the effect of hydrophobic fabric layer thickness on one‐way water transport feature is examined. The hydrophobic fabric layer thickness is found to play a key role in deciding the one‐way transport ability. When a plain woven fabric with an overall thickness of 420 μm and average pore size of 33 μm is used as fabric substrate, a hydrophobic fabric layer thickness between 22 and 62 μm allows the treated fabric to show a one‐way droplet transport feature. A one‐way transport index as high as 861 can be attained. The one‐way water transport is durable enough to withstand repeated washing. This novel fabric may be useful for development of “smart” textiles for various applications.

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Section: Resultsmentioning

confidence: 92%

Directional Water Transport Fabrics with Durable Ultra‐High One‐Way Transport Capacity

Zeng

Wang

Zhou

et al. 2016

Adv Materials Inter

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“…In order to improve the compatibility of PET fibers with the SiO 2 nanoparticles, the textiles were treated with NaOH. Previous studies [30][31][32] showed that this treatment can generate chemical and morphological changes in the PET textile. Morphological changes roughened the fiber surfaces (Fig.…”

Section: Coating Fibers With Hydrophobic Sio 2 Solmentioning

confidence: 98%

“…The abrasion resistance was evaluated using a friction instrument for textiles according to the method reported [30]. Samples were endured to normal pressure (45 kPa), and slid back and forth on a common nylon textile with a moving path of 200 mm in each cycle.…”

Section: Coating Fibers With Hydrophobic Sio 2 Solmentioning

confidence: 99%

Fabrication of superhydrophobic and superoleophilic textiles for oil–water separation

Xue

Zhang

et al. 2013

Applied Surface Science

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158

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“…Wenzel and Cassie-Baxter models explained this transformation mechanism. Noticeably, the superhydrophobic GFRP surfaces are chemically stable with organic solvents (toluene, acetone, tetrahydrofuran, and ethanol) and water droplets with different pH (1)(2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14). The superhydrophobicity of GFRP can be maintained for 6 months or more.…”

Section: Discussionmentioning

confidence: 96%

“…Superhydrophobic surfaces, which exhibit a water CA greater than 150°, have received dramatic attention during the past years [1][2][3][4][5]. Superhydrophobic surfaces have many potential industrial applications, such as the surface self-cleaning [6], oil/water separation [7], efficient microfluidic devices [8], anticorrosive coatings [9], and so on.…”

Section: Introductionmentioning

confidence: 99%

The fabrication of superhydrophobic glass fiber-reinforced plastic surfaces with tunable adhesion based on hydrophobic silica nanoparticle aggregates

Sun

Wang

2015

Colloid Polym Sci

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The superhydrophobic glass fiber-reinforced plastic (GFRP) surfaces are prepared by spray coating a mixture on GFRP surfaces. The mixture is comprised of EPOLAM resin 2008 (EP2008), EPOLAM curing agent 2008-S (EP2008-S), hydrophobic silica nanoparticles (HSNPs), and acetone. By simply controlling the concentration of HSNPs in the mixture, the tunable adhesive superhydrophobic surfaces can be obtained. The results confirm that the as-prepared samples not only could achieve superhydrophobicity but also present huge differences in adhesive abilities. Noticeably, the superhydrophobic GFRP surfaces can keep the excellent stability in many kinds of solvents for 3 days, such as water (25°C), toluene, acetone, tetrahydrofuran, and ethanol. In addition, water droplets with different pH (1-14) have similar contact angles and adhesion on the surfaces, indicating that these surfaces are chemical resistant to acid and alkali. Furthermore, after being stored in ambient environment for 6 months, no obvious decrease in water contact angle (CA) was observed. In addition, the damaged surfaces could be restored completely after spray coating again. The results reported herein not only present a simple, efficient, and reproducible method to elaborate the superhydrophobic GFRP surfaces but also benefits in understanding the principle for the fabrication superhydrophobic surfaces with tunable adhesive.

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Long-lived superhydrophobic colorful surfaces

Cited by 99 publications

References 18 publications

Directional Water Transport Fabrics with Durable Ultra‐High One‐Way Transport Capacity

Directional Water Transport Fabrics with Durable Ultra‐High One‐Way Transport Capacity

Fabrication of superhydrophobic and superoleophilic textiles for oil–water separation

The fabrication of superhydrophobic glass fiber-reinforced plastic surfaces with tunable adhesion based on hydrophobic silica nanoparticle aggregates

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