Design and preparation of ZnS superhydrophobic coating with self-healing property and oil-water separation function on stainless steel mesh surface

Wang, Kang; Yu, Sirong; Li, Wei; Song, Yuanji; Gong, Pu; Zhang, Mingshan; Li, Huaisen; Sun, Daijun; Yang, Xiaofeng; Wang, Xuewu

doi:10.1016/j.colsurfa.2023.131378

Cited by 16 publications

(3 citation statements)

References 35 publications

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“…The setup shown in Fig. 14 and similar ones, in which water remained on the superhydrophobic mesh, were commonly used in various research 43 – 46 . Due to covering the mesh surface with water, such setups cannot be generalized in industrial applications, especially for heavy oils’ separation.…”

Section: Resultsmentioning

confidence: 99%

Facile and scalable preparation of superhydrophobic brass mesh for efficient and rapid separation of oil and water

Asjadi,

Yaghoobi

2024

Sci Rep

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A facile method for preparing superhydrophobic brass mesh is proposed based on electrochemical etching and surface modification. The impact of processing time and the electric potential of the electrochemical etching were studied on the contact angle (CA) of the mesh. The samples were examined using scanning electron microscopy, Energy-dispersive X-ray spectroscopy analysis, X-ray diffraction, and Fourier-transform infrared spectroscopy. The electrochemical etching process caused the decrement of wires’ thickness and imposed roughness. Results showed more dissolution of zinc than copper under 3 V of the electric potential and the processing times of 3 and 6 min. The optimum condition of electrochemical etching was obtained under the electric voltage of 3 V for a processing time of 6 min, which led to a CA of 155.5 ± 3.2°. The thickness of the mesh wires decreased by 17.7% due to electrochemical etching in this sample. This sample also showed low adhesion for a water drop. The efficiency of oil/water separation was above 95 for the xylene and ethyl acetate in a batch system. The effect of the flow rate of the oil–water mixture on separation efficiency was also examined. The optimum flow rate was 0.8 ml s−1 with a high separation efficiency of 96.8% for xylene/oil separation.

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Section: Resultsmentioning

confidence: 99%

Facile and scalable preparation of superhydrophobic brass mesh for efficient and rapid separation of oil and water

Asjadi,

Yaghoobi

2024

Sci Rep

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“…Therefore, the preparation of superhydrophobic surface must consider two decisive factors: the surface roughness of the material and the surface energy of the material. Superhydrophobic materials have been used in anti-icing [5][6][7], anti-corrosion [8][9][10], self-cleaning [11,12], oil-water separation [13][14][15] and other fields. For the metal surface, the coating prepared by the superhydrophobic material can effectively reduce the corrosion rate or prolong the icing time.…”

Section: Introductionmentioning

confidence: 99%

Preparation and properties of oxidized multi-walled carbon nanotube superhydrophobic composites modified by bio-fatty acids

Hao,

Cheng,

Xie

et al. 2024

Nanotechnology

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In this paper, a preparation method of superhydrophobic composites of oxidized multi-walled carbon nanotubes modified by stearic acid (SA) is proposed. Hydroxylated multi-walled carbon nanotubes (HMWCNT) were obtained by oxidizing multi-walled carbon nanotubes with potassium dichromate to give them hydroxyl groups on the surface. Subsequently, the carboxyl group in the SA molecule was esterified with the hydroxyl group on the hydroxylated multi-walled carbon nanotubes. SA molecules were grafted onto the surface of multi-walled carbon nanotubes. SA modified oxidized multi-walled carbon nanotubes (SMWCNT) superhydrophobic composites were obtained. The results show that the water contact angle (WCA) of superhydrophobic composites can reach up to 174 °. At the same time, the modified nanocomposites have good anti-icing and corrosion resistance. After low temperature delayed freezing test, the freezing extension time of the nanocomposite film is 30 times that of the smooth surface. Under strong acid and alkali conditions, the superhydrophobic nanocomposites still maintain good superhydrophobicity. The nanocomposites may have potential applications in the preparation of large-scale superhydrophobic coatings.

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“…In general, flexible strain sensors are composed of flexible polymers (e.g., polyurethane and rubber) and conductive fillers, such as conductive carbon materials (graphene, carbon nanotubes (CNTs), conductive carbon black, etc. ), conductive inorganic materials (MXene, metallic copper, silver nanowires (AgNWs), , etc. ), ionic liquids (ILs), conductive polymers (polypyrrole (PPy) and polyaniline (PANI), etc.).…”

Section: Introductionmentioning

confidence: 99%

Hydrophobic TPU/CNTs-ILs Ionogel as a Reliable Multimode and Flexible Wearable Sensor for Motion Monitoring, Information Transfer, and Underwater Sensing

Qu,

Zhu,

et al. 2024

ACS Appl. Mater. Interfaces

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Design and preparation of ZnS superhydrophobic coating with self-healing property and oil-water separation function on stainless steel mesh surface

Cited by 16 publications

References 35 publications

Facile and scalable preparation of superhydrophobic brass mesh for efficient and rapid separation of oil and water

Facile and scalable preparation of superhydrophobic brass mesh for efficient and rapid separation of oil and water

Preparation and properties of oxidized multi-walled carbon nanotube superhydrophobic composites modified by bio-fatty acids

Hydrophobic TPU/CNTs-ILs Ionogel as a Reliable Multimode and Flexible Wearable Sensor for Motion Monitoring, Information Transfer, and Underwater Sensing

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