Underwater Oil Capture by a Three‐Dimensional Network Architectured Organosilane Surface

Jin, Meihua; Wang, Jing; Yao, Xi; Liao, Mingyi; Zhao, Yong; Jiang, Lei

doi:10.1002/adma.201101048

Cited by 196 publications

(145 citation statements)

References 24 publications

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“…[4][5][6][7] The wettability of oil on a material surface, when submerged in an aqueous environment, has a critical role in many practical applications, such as droplet manipulation in microfluidics, [8][9][10] cell and protein adhesion control on surfaces, [11][12][13][14] preparation of electrowetting-based displays 15 and oil/water separation. 16,17 It is anticipated that a surface with controlled oil wettability, or more desirably a smart surface that switches its oil wettability in response to external stimuli in aqueous media, would offer great promise in the design and fabrication of intelligent materials for advanced applications. Although considerable efforts have been devoted to controlling oil wettability as well as oil-adhesion properties on material surfaces in aqueous media, [5][6][7] smart surfaces with switchable superoleophobicity and superoleophilicity (oil contact angle lower than 101) in aqueous media have not been reported.…”

Section: Introductionmentioning

confidence: 99%

Smart surfaces with switchable superoleophilicity and superoleophobicity in aqueous media: toward controllable oil/water separation

2012

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Advanced materials with surfaces that have controllable oil wettability when submerged in aqueous media have great potential for various underwater applications. Here we have developed smart surfaces on commonly used materials, including non-woven textiles and polyurethane sponges, which are able to switch between superoleophilicity and superoleophobicity in aqueous media. The smart surfaces are obtained by grafting a block copolymer, comprising blocks of pH-responsive poly(2-vinylpyridine) and oleophilic/hydrophobic polydimethylsiloxane (i.e., P2VP-b-PDMS) on these materials. The P2VP block can alter its wettability and its conformation via protonation and deprotonation in response to the pH of the aqueous media, which provides controllable and switchable access of oil by the PDMS block, resulting in the switchable surface oil wettability in the aqueous media. On the other hand, the high flexibility of the PDMS block facilitates the reversible switching of the surface oil wettability. As a proof of concept, we also demonstrate that materials functionalized with our smart surfaces can be used for highly controllable oil/water separation processes.

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Section: Introductionmentioning

confidence: 99%

Smart surfaces with switchable superoleophilicity and superoleophobicity in aqueous media: toward controllable oil/water separation

2012

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“…Their main drawback tends to be surface contamination with oil culminating in a drop in separation efficiency. 22,23 The most attractive approach to date appears to be the utilisation of oleophobic-hydrophilic surfaces where the oil and oil-based contaminants are repelled and water passes through. 24 Such surfaces are also of interested for self-cleaning, 25,26,27 anti-fog, 25,28,29 and anti-fouling 30,31 applications.…”

Section: Introductionmentioning

confidence: 99%

Ultrafast Oleophobic–Hydrophilic Switching Surfaces for Antifogging, Self-Cleaning, and Oil–Water Separation

Brown

Atkinson

Badyal

2014

ACS Appl. Mater. Interfaces

151

123

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. (2014) 'Ultra-fast oleophobic-hydrophilic switching surfaces for anti-fogging, self-cleaning, and oil-water separation.', ACS applied materials interfaces., 6 (10). pp. 7504-7511.Further information on publisher's website:http://dx.doi.org/10.1021/am500882yPublisher's copyright statement:This document is the Accepted Manuscript version of a Published Work that appeared in nal form in ACS Applied Materials Interfaces, copyright c American Chemical Society after peer review and technical editing by the publisher. To access the nal edited and published work see http://pubs.acs.org/doi/abs/10.1021/am500882y. Additional information:Use policyThe full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-pro t purposes provided that:• a full bibliographic reference is made to the original source • a link is made to the metadata record in DRO • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders.Please consult the full DRO policy for further details. be further enhanced by the incorporation of surface roughness to an extent that it reaches a sufficiently high level (water contact angle <10° and hexadecane contact angle >110°) which, when combined with the inherent ultra-fast switching speed, yields oil-water mixture separation efficiencies exceeding 98%.

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“…9(A)]. 108 The cooperation of low free-energy and micro/nanoscale roughness made the surface superamphiphobic in air [ Fig. 9(B,C)].…”

Section: Surfaces With Controllable Adhesionmentioning

confidence: 99%

“…When we put it in water, superoleophobicity is lost and the surface shows superoleophilic properties. 57,108 Underwater superoleophobicity has broad potential applications, such as oil-repellent coatings on ships and other marine equipments, antimarine biological adhesion, antioil adhesion of oil pipeline, oil spill cleanup, and antibioadhesion materials in vivo. It is therefore of great importance to develop surfaces with superoleophobicity in water.…”

Section: Underwater Superoleophobicitymentioning

confidence: 99%

Recent developments in polymeric superoleophobic surfaces

Zhang

Liu

Jiang

2012

J Polym Sci B Polym Phys

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228

168

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The construction and application of superoleophobic surfaces have aroused worldwide interest during the past few years. These surfaces are of great significance not only for fundamental research but also for various practical applications in self-cleaning, oil-repellent coatings, and antibioadhesion. The unique properties of polymers have made them one of the most important materials for constructing superoleophobic materials. This article reviews recent developments in the design, fabrication, and application of polymeric superoleophobic surfaces.

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Underwater Oil Capture by a Three‐Dimensional Network Architectured Organosilane Surface

Cited by 196 publications

References 24 publications

Smart surfaces with switchable superoleophilicity and superoleophobicity in aqueous media: toward controllable oil/water separation

Smart surfaces with switchable superoleophilicity and superoleophobicity in aqueous media: toward controllable oil/water separation

Ultrafast Oleophobic–Hydrophilic Switching Surfaces for Antifogging, Self-Cleaning, and Oil–Water Separation

Recent developments in polymeric superoleophobic surfaces

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