Superhydrophobic aluminium-based surfaces: Wetting and wear properties of different CVD-generated coating types

Thieme, Michael; Streller, Frank; Simon, Frank; Frenzel, Ralf; White, Aleksandr J.

doi:10.1016/j.apsusc.2013.07.065

Cited by 27 publications

(11 citation statements)

References 31 publications

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“…. (1) In the above equation, θ w is the contact angle when the solid surface has gentle irregularities, θ represents the contact angle on a flat surface, and r is the ratio between the actual area of a surface and the apparent area if considering the surface as flat. This state of wetting is called the Wenzel state ( Fig.…”

Section: Relationship Between Surface Shape and Wettabilitymentioning

confidence: 99%

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Water Repellency Control of Oxygen-Free Copper Surface by Diamond-Cut Micro Grooves

Asakura¹,

Yan²

2015

Int. J. Automation Technol.

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Improving water repellency of a metal surface is required in a wide range of industrial applications. In this study, the water repellency control of an oxygen-free copper surface was attempted by generating micro V grooves on the surface by using ultraprecision cutting technology. The results showed that the maximum contact angle of a water drop on a micro V-grooved surface could be as high as approximately twice that of a flat surface. The contact angle depended strongly on the direction, depth, pitch of the grooves, and burr formation at the edges of the micro grooves. A method for controlling burr formation was proposed.

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Section: Relationship Between Surface Shape and Wettabilitymentioning

confidence: 99%

“…Many previous studies have been conducted on increasing water repellency by modifying a solid surface. A typical method for improving water repellency is surface coating with water-repellent materials [1][2][3]. However, surface coatings have disadvantages, such as low strength and low durability.…”

Section: Introductionmentioning

confidence: 99%

Water Repellency Control of Oxygen-Free Copper Surface by Diamond-Cut Micro Grooves

Asakura¹,

Yan²

2015

Int. J. Automation Technol.

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“…First, the suitable surface geometry is created in a “bottom‐up” approach by depositing nanoparticles or by electrodeposition for instance, or in a “top‐down” approach by texturing the surface with chemical etching, lithography, or laser ablation . Second, specific surface chemistry is created by depositing alkyl or fluorinated chain by using dip coating, Layer‐by‐Layer assemblies, chemical vapor deposition, or magnetron sputtering, for instance.…”

Section: Introductionmentioning

confidence: 99%

Atmospheric pressure plasma co‐polymerization of two acrylate precursors: Toward the control of wetting properties

Mertz

Delmée

Bardon

et al. 2018

Plasma Processes & Polymers

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The plasma copolymerization of two acrylate precursors with different hydrophobic side chains, namely 1H,1H,2H,2H‐perfluorododecyl acrylate (PFDA) and dodecyl acrylate (DOCA), were deposited at atmospheric pressure. By adding different ratios of PFDA into the DOCA solution changes in the chemistry and microstructure were observed and examined using multiple techniques combining FTIR, XPS, SEM, and AFM. Increasing the content of PFDA led to an increase in the F/C ratio and the roughness of the deposits. Considering such variation when PFDA increases, different growth mechanisms are proposed. Finally, adjusting the monomer ratio demonstrates the feasibility of controlling the wettability of the coatings from hydrophobic to superhydrophobic.

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“…To fabricate superlyophilic surfaces, on the other hand, higher surface energy and roughness is desired [ 15 , 16 , 17 ]. In order to fabricate surfaces of superwettablity, effective processing methods like photoetching [ 18 , 19 , 20 , 21 , 22 ], chemical vapor deposition (CVD) [ 23 , 24 , 25 , 26 ], and plasma treatment [ 27 , 28 , 29 , 30 , 31 , 32 , 33 ] are widely used. These methods, however, are generally costly, material-restrictive, and unsuited for large-scale production [ 34 , 35 , 36 , 37 ].…”

Section: Introductionmentioning

confidence: 99%

A Facile and Effective Method to Fabricate Superhydrophobic/Superoeophilic Surface for the Separation of Both Water/Oil Mixtures and Water-in-Oil Emulsions

Wang

Pan

et al. 2017

Polymers

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Superhydrophobic/superoleophilic surfaces (water contact angle greater than 150 • with low hysteresis, with an oil contact angle smaller than 5 • ) have a wide-range of applications in oil/water separation. However, most of the essential methods to fabricate this kind of surface are complex, inflexible, and costly. Moreover, most methods focus on separating immiscible oil and water mixtures but lack the ability to demulsify surfactant-stabilized emulsions, which is widely present in industry and daily life. In this study, a facile and effective method was developed to fabricate superhydrophobic/superoleophilic surfaces that can be easily applied on almost all kinds of solid substrates. The treated porous substrates (e.g., steel mesh; cotton) can separate oil/water mixtures or absorb oil from a mixture. Furthermore, the compressed treated cotton is capable of demulsifying stabilized water-in-oil emulsions with high efficiency. The simple, low-cost, and material-unrestricted method provides an efficient way to separate oil/water mixtures of various kinds and has great potential in energy conservation and environmental protection.

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Superhydrophobic aluminium-based surfaces: Wetting and wear properties of different CVD-generated coating types

Cited by 27 publications

References 31 publications

Water Repellency Control of Oxygen-Free Copper Surface by Diamond-Cut Micro Grooves

Water Repellency Control of Oxygen-Free Copper Surface by Diamond-Cut Micro Grooves

Atmospheric pressure plasma co‐polymerization of two acrylate precursors: Toward the control of wetting properties

A Facile and Effective Method to Fabricate Superhydrophobic/Superoeophilic Surface for the Separation of Both Water/Oil Mixtures and Water-in-Oil Emulsions

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