Fabrication and Properties of Thermochromic Superhydrophobic Coatings

Cheng, Hongjie; Wang, Fajun; Liu, Huangjuan; Ou, Junfei; Li, Wen; Xue, Rongjie

doi:10.1002/adem.202100647

Cited by 7 publications

(6 citation statements)

References 48 publications

(61 reference statements)

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“…Among these three types of superhydrophobic materials based on PDMS, the PDMS with nanoparticles type has many advantages with respect to the other two types. First, the nanoparticles with different morphologies can be obtained easily and inexpensively and may confer other functional properties to the materials, such as photocatalytic ( Liu et al, 2020b ; Chen et al, 2022 ), electrical conductivity ( Wang et al, 2019c ; Li and Guo, 2020 ), thermochromic ( Cheng et al, 2022 ), and self-illuminous properties ( Shi et al, 2015 ). Second, the methods to achieve superhydrophobicity with PDMS with nanoparticles are based on one-step coating strategies ( Steele et al, 2009 ), which are easier and less costly than strategies such as replicating, laser engraving, and electrospinning.…”

Section: “3m” Methodology To Obtain Superhydrophobic Polydimethylsilo...mentioning

confidence: 99%

“…The second type of three-dimensional nanoparticles are those consisting of a combination of two or more materials. As shown in Figure 10 , three-dimensional nanoparticles with a raspberry-like morphology have been obtained via the aggregation of spherical SiO 2 nanoparticles on the surface of spherical thermochromic pigment (TP) particles ( Cheng et al, 2022 ). A thermochromic superhydrophobic coating has been fabricated by brushing a mixture of PDMS and the three-dimensional nanoparticles onto a substrate ( Figure 10A ).…”

Section: Superhydrophobicity Based On Polydimethylsiloxane With Nanop...mentioning

confidence: 99%

“…Surface wettability measurements for different coatings (C): the red, blue, black, and yellow TP/coating. Reprinted with permission from Ref (Cheng et al, 2022)…”

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confidence: 99%

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A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

Yang

et al. 2022

Front. Bioeng. Biotechnol.

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Fouling, including inorganic, organic, bio-, and composite fouling seriously affects our daily life. To reduce these effects, antifouling strategies including fouling resistance, release, and degrading, have been proposed. Superhydrophobicity, the most widely used characteristic for antifouling that relies on surface wettability, can provide surfaces with antifouling abilities owing to its fouling resistance and/or release effects. PDMS shows valuable and wide applications in many fields, and due to the inherent hydrophobicity, superhydrophobicity can be achieved simply by roughening the surface of pure PDMS or its composites. In this review, we propose a versatile “3M” methodology (materials, methods, and morphologies) to guide the fabrication of superhydrophobic PDMS-based materials for antifouling applications. Regarding materials, pure PDMS, PDMS with nanoparticles, and PDMS with other materials were introduced. The available methods are discussed based on the different materials. Materials based on PDMS with nanoparticles (zero-, one-, two-, and three-dimensional nanoparticles) are discussed systematically as typical examples with different morphologies. Carefully selected materials, methods, and morphologies were reviewed in this paper, which is expected to be a helpful reference for future research on superhydrophobic PDMS-based materials for antifouling applications.

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Section: “3m” Methodology To Obtain Superhydrophobic Polydimethylsilo...mentioning

confidence: 99%

Section: Superhydrophobicity Based On Polydimethylsiloxane With Nanop...mentioning

confidence: 99%

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A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

Yang

et al. 2022

Front. Bioeng. Biotechnol.

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“…The inspiration for superhydrophobic surfaces derived from the lotus leaf effect , which attracted considerable attention. − Superhydrophobic surfaces are solid surfaces with a static water contact angle (CA) greater than 150° and sliding angle (SA) less than 10°, − accordingly showing extensive applications in various fields of anti-icing, , oil/water separation, − self-cleaning, − and anticorrosion − to name a few. The fundamental principle required for realization of a superhydrophobic surface is to produce a precise synergistic effect between suitable surface morphology − (mainly nano/microscale hierarchical texture) and nonpolar surface chemistry − (low surface energy material), which have been well recognized and made great progress in academic research.…”

Section: Introductionmentioning

confidence: 99%

Scalable and Mechanically Durable Superhydrophobic Coating of SiO₂/Polydimethylsiloxane/Epoxy Nanocomposite

Guo

Zhang

Xue

et al. 2023

ACS Appl. Mater. Interfaces

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The mechanical durability of superhydrophobic surfaces is of significance for their practical applications. However, few reports about superhydrophobic coating on certain substrates took into consideration both the mechanical stability of the superhydrophobic coating and adhesion stability between the coating and the substrate. Herein, we put forward a facile and efficient strategy to construct robust superhydrophobic coatings by simply spray-coating a composite suspension of SiO 2 nanoparticles, polydimethylsiloxane (PDMS), and epoxy resin (EP) on substrates pretreated with an EP base-coating. The as-obtained coating exhibited excellent superhydrophobicity with water contact angle of 163°and sliding angle of 3.5°, which could endure UV irradiation of 180 h, immersion in acidic or basic solutions for 168 h, and outdoor exposure for over 30 days. Notably, the coating surface retained superhydrophobicity after being successively impacted with faucet water for 1 h, impinged with 360 g sand grains, and abraded with sandpaper of 120 grid under a load of 500 g for 5 m distance. The outstanding mechanical stability was mainly attributed to the cross-linking of EP and the elastic nature of PDMS which ensured strong cohesion inside the whole coating and to the substrate. Additionally, the coating showed self-healing capacity against O 2 plasma etching. The method is simple with the materials commercially available and is expected to be widely applied in outdoor applications.

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“…Hydrophobic insulating parts are very important materials in power system. The curing process, weather resistance, corrosion resistance and hydrophobic properties of the composite also need to be considered in the application process [12][13][14][15][16]. Long term exposure of insulating parts to pollutants and harsh service environment (such as humidity) may lead to corrosion and decline in leakage resistance, which will greatly shorten the service life of materials and even lead to potential safety hazards [17,18].…”

Section: Introductionmentioning

confidence: 99%

Research progress of superhydrophobic coatings based on silicone rubber surface

Xie

Zhao

Shi

2022

J. Phys.: Conf. Ser.

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Silicone rubber has excellent insulation properties such as good hydrophobic mobility and anti pollution flashover performance. It plays an important role in the power system and provides an important guarantee for the reliability of power supply. However, due to the erosion of various harsh environments, especially in wet environments such as rain and snow, a large amount of dirt and water are easily attached to the surface of insulating parts. It not only reduces its surface hydrophobicity and hydrophobic mobility, but also greatly shortens its service life. There are even serious leakage current problems. Especially in the low temperature environment, a lot of snow and flashover will occur at the accessories of the insulation parts. In order to solve this problem, super hydrophobic self-cleaning coating based on silicone rubber surface came into being. The preparation principle and model of superhydrophobic self-cleaning coating on silicone rubber surface are reviewed in this paper. By comparing different preparation methods, the advantages, disadvantages and application prospects are analyzed, and the existing problems and challenges are put forward according to the existing preparation technologies, so as to lay a theoretical foundation for preparing self-cleaning coatings with excellent performance in the future.

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Fabrication and Properties of Thermochromic Superhydrophobic Coatings

Cited by 7 publications

References 48 publications

A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

Scalable and Mechanically Durable Superhydrophobic Coating of SiO₂/Polydimethylsiloxane/Epoxy Nanocomposite

Research progress of superhydrophobic coatings based on silicone rubber surface

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Fabrication and Properties of Thermochromic Superhydrophobic Coatings

Cited by 7 publications

References 48 publications

A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

A versatile “3M” methodology to obtain superhydrophobic PDMS-based materials for antifouling applications

Scalable and Mechanically Durable Superhydrophobic Coating of SiO2/Polydimethylsiloxane/Epoxy Nanocomposite

Research progress of superhydrophobic coatings based on silicone rubber surface

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Scalable and Mechanically Durable Superhydrophobic Coating of SiO₂/Polydimethylsiloxane/Epoxy Nanocomposite