Recent Advances in Superhydrophobic Surfaces and Applications on Wood

Wei, Xixi; Niu, Xiaoting

doi:10.3390/polym15071682

Cited by 18 publications

(12 citation statements)

References 85 publications

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“…Molecules 2024, 29, 2098 4 of 27 methods include etching, molding and physical vapor deposition (PVD) to form microscopic and nano-scale structures on the material surfaces through precision machining or by using a stencil [46,47]. Chemical methods include the sol-gel method, chemical vapor deposition (CVD) and electrochemical deposition (ECD), which change the surface energy and structure by depositing or synthesizing compounds on the surfaces [48][49][50]. These methods can be applied individually or in combination to meet the needs of multiscale nano/micro-structured superhydrophobic surfaces for different applications.…”

Section: Sol-gel Methodsmentioning

confidence: 99%

Superhydrophobic Non-Metallic Surfaces with Multiscale Nano/Micro-Structure: Fabrication and Application

Guo,

Ma,

Yin

et al. 2024

Molecules

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Multiscale nano/micro-structured surfaces with superhydrophobicity are abundantly observed in nature such as lotus leaves, rose petals and butterfly wings, where microstructures typically reinforce mechanical stability, while nanostructures predominantly govern wettability. To emulate such hierarchical structures in nature, various methods have been widely applied in the past few decades to the manufacture of multiscale structures which can be applied to functionalities ranging from anti-icing and water–oil separation to self-cleaning. In this review, we highlight recent advances in nano/micro-structured superhydrophobic surfaces, with particular focus on non-metallic materials as they are widely used in daily life due to their lightweight, abrasion resistance and ease of processing properties. This review is organized into three sections. First, fabrication methods of multiscale hierarchical structures are introduced with their strengths and weaknesses. Second, four main application areas of anti-icing, water–oil separation, anti-fog and self-cleaning are overviewed by assessing how and why multiscale structures need to be incorporated to carry out their performances. Finally, future directions and challenges for nano/micro-structured surfaces are presented.

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Section: Sol-gel Methodsmentioning

confidence: 99%

Superhydrophobic Non-Metallic Surfaces with Multiscale Nano/Micro-Structure: Fabrication and Application

Guo,

Ma,

Yin

et al. 2024

Molecules

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“…To the best of our knowledge, there are many reviews on various superhydrophobic surfaces [36][37][38][39][40][41][42], and the state-of-the-art review paper on superhydrophobic wood substrates is lacking and urgently needed. Although Li et al [43], Ramesh et al [44], and Wei et al [45] have recently introduced wood-based composites and wood-based superhydrophobic surfaces, a comprehensive review paper particularly focusing on wood substrates by introducing surface superhydrophobicity is still needed. In this review paper, the recent advances in various preparation methods of SHWSs are summarized and discussed, including immersion, spray-coating, hydrothermal synthesis, dip-coating, deposition, sol-gel process and other methods, respectively.…”

Section: Preparation Methods Of Shwssmentioning

confidence: 99%

“…In this section, these methods of preparing SHWSs have been summarized in Table 1, and then they will be separately introduced and summarized in details as well as their own advantages. Pine lumber Cu FAS Immersed in NaOH at 70 • C for 10 min 160 [48] Balsa wood rGO PDMS Immersed in GO solution, then reduced to rGO@wood 152 [49] Ash wood -APTES Immersed at 60 Birch wood SiO 2 PDMS 0.3 MPa at a distance of 10 cm 170 [60] Balsa wood Soot PDMS Sprayed for 3 s 160 [61] European beech wood AKD wax Oven-dried at 45 • C for 10 min 160 [62] Beech wood CNC@SiO 2 @PL rod PDMS Dried at 150 • C for 2 h 157.4 [63] Wood substrate CNC FOTS Dried at RT for 15 min 163 [64] Wood substrate SiO 2 HDTMS Sprayed for 2 s under pressure of 42 psi 151.8 [65] Wood substrate SiO 2 N-Boroxine-PDMS 0.24 MPa at a distance of 12 cm 160.9 [66] Wood substrate PDVB NTs, SiO 2 PFS 0.3-0.…”

Section: Preparation Methods Of Shwssmentioning

confidence: 99%

Superhydrophobic Wood Surfaces: Recent Developments and Future Perspectives

Gao

Wang

2023

Coatings

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Wood is a renewable material that has been widely utilized as indoor and outdoor construction and decoration material in our daily life. Although wood has many advantages (i.e., light weight, high strength, low price and easy machinability), it has some drawbacks that influence dimensional stability, cracking and decay resistance in real practical applications. To mitigate these issues, superhydrophobic surfaces have been introduced to wood substrates, creating superhydrophobic wood surfaces (SHWSs) that can improve stability, water resistance, ultraviolet radiation resistance and flame retardancy. Herein, the recent developments and future perspectives of SHWSs are reviewed. Firstly, the preparation methods of SHWSs are summarized and discussed in terms of immersion, spray-coating, hydrothermal synthesis, dip-coating, deposition, sol-gel process and other methods, respectively. Due to the characteristics of the above preparation methods and the special properties of wood substrates, multiple methods are suggested to be combined to prepare SHWSs rather than each individual method. Secondly, the versatile practical applications of SHWSs are introduced, including anti-fungi/anti-bacteria, oil/water separation, fire-resistance, anti-ultraviolet irradiation, electromagnetic interference shielding, photocatalytic performance, and anti-icing. When discussing these practical applications, the advantages of SHWSs and the reason why SHWSs can be used in such applications are also mentioned. Finally, we provide with perspectives and outlooks for the future developments and applications of SHWSs, expecting to extend the utilization of SHWSs in our daily life and industry.

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“…Superhydrophobic materials have gained significant attention due to their unique water-repellent properties [1][2][3][4][5][6][7][8]. They can repel water droplets and prevent water from adhering to their surfaces, leading to a range of applications in various fields, including self-cleaning surfaces, anti-icing coatings, and water-resistant textiles [6,9]. In recent years, researchers have explored the use of naturally derived hydrophobic materials [7,8,10,11] and waste materials to create superhydrophobic surfaces, providing an environmentally friendly and sustainable approach to obtaining these remarkable properties [9,[12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Superhydrophobic Materials from Waste: Innovative Approach

Cannio,

Boccaccini,

Caporali

et al. 2024

Clean Technol.

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Superhydrophobic materials, known for their exceptional water-repellent properties, have found widespread applications in diverse fields such as self-cleaning surfaces, anti-icing coatings, and water-resistant textiles. In recent years, researchers have explored a sustainable approach by repurposing waste materials to create superhydrophobic surfaces. This eco-friendly approach not only reduces environmental impact but also aligns with circular economy principles, contributing to a more sustainable future. Creating superhydrophobic materials from waste involves a combination of surface modification techniques and hierarchical structuring, with rigorous characterization to ensure the desired properties. These materials showcase their potential in various industries, opening doors to more environmentally friendly technologies. This review delves into the concept of superhydrophobic materials derived from waste and the methods used for their synthesis. It begins by defining superhydrophobicity and highlighting its unique characteristics. It emphasizes the pivotal role played by superhydrophobic materials across industries. The review then explores waste materials’ untapped potential, discussing the advantages of harnessing waste for superhydrophobic material development. Concrete examples of promising waste materials are provided, including agricultural residues and industrial byproducts. The review outlines five key sections that will be further developed to offer a comprehensive understanding of this innovative and sustainable approach to superhydrophobic materials.

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Recent Advances in Superhydrophobic Surfaces and Applications on Wood

Cited by 18 publications

References 85 publications

Superhydrophobic Non-Metallic Surfaces with Multiscale Nano/Micro-Structure: Fabrication and Application

Superhydrophobic Non-Metallic Surfaces with Multiscale Nano/Micro-Structure: Fabrication and Application

Superhydrophobic Wood Surfaces: Recent Developments and Future Perspectives

Superhydrophobic Materials from Waste: Innovative Approach

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