Self-healing and wear resistance stable superhydrophobic composite coating with electrothermal and photothermal effects for anti-icing

Li, Kunquan; Xiang, Jing; Zhou, Jiale; Su, Xiaojing; Xie, Huali; Liu, Shangjun; Xiao, Zihao; Huang, Weijun; Zhao, Chongrui; Chen, Huiru; Wu, Wenjian

doi:10.1016/j.porgcoat.2023.107415

Cited by 21 publications

(20 citation statements)

References 31 publications

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“…The peak surface temperature of the GFPC-15% sample changes from 44.6 to 90.2 °C when the light intensity increases from 0.5 to 2.0 sun, indicating a good photothermal conversion efficiency similar to that of existing studies. 40,56,60 Such a photothermal conversion performance also shows a satisfactory stability during many light-on/light-off cycles, as depicted in Figure 7d.…”

Section: Optical Properties and Photothermal Performancesmentioning

confidence: 82%

“…To overcome this inherent limitation, a double-layered deicing coating consisting of photothermal top layer and electrothermal bottom layer was consequently prepared, in which the electrothermal material could ensure a reliable use of the coating in dark conditions. 39,40 Among the aforementioned active anti-icing/deicing methods, electric heating is a relatively favorable approach due to its easy tunability, wide environmental adaptability, and stable energy input. Unfortunately, how to improve the utilization efficiency of electric power remains a challenging problem.…”

Section: Introductionmentioning

confidence: 99%

“…However, the photothermal-based deicing material can only be used under sufficient and stable light illumination. To overcome this inherent limitation, a double-layered deicing coating consisting of photothermal top layer and electrothermal bottom layer was consequently prepared, in which the electrothermal material could ensure a reliable use of the coating in dark conditions. , …”

Section: Introductionmentioning

confidence: 99%

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High-Efficient Anti-Icing/Deicing Method Based on Graphene Foams

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Section: Optical Properties and Photothermal Performancesmentioning

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High-Efficient Anti-Icing/Deicing Method Based on Graphene Foams

Huang,

Li,

Peng

et al. 2023

ACS Appl. Mater. Interfaces

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“…In recent years, superhydrophobic surfaces have been of interest for their wide range of potential applications, such as self-cleaning, − oil/water separation, , anti-ice or corrosion surfaces, , drag reduction, , and energy conservation . Basically, a superhydrophobic surface is defined as having a static contact angle of more than 150° and a sliding angle of less than 10°.…”

Section: Introductionmentioning

confidence: 99%

Azeotropic Binary Solvent System Containing Nonfluorinated Polymer-Grafted Silica Nanoparticles for the Fabrication of a Superhydrophobic Surface

et al. 2023

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This study describes a method for fabricating a superhydrophobic surface on glass via a colloidal deposition technique based on solvent evaporation-induced aggregation. Silica nanoparticles with a low grafting density of long-chain poly-(cyclohexyl methacrylate) (PCH) were dispersed in a binary solvent system consisting of tetrahydrofuran (THF) and methanol (MeOH) with an azeotropic point and the nonfluorinated and hydrophobic PCHMA having a solubility parameter similar to that of THF. In the early stages of evaporation, the binary mixtures tend to induce the aggregation of PCH-NP due to the azeotropic point of the solvent components, leading to the formation of surface structures ranging from smooth to rough on the substrate. By adjusting the initial ratio of the binary solvents, a superhydrophobic coating with a water contact angle of 154 ± 2°and a sliding angle of less than 10°was achieved at a THF content of 60 wt %. This facile approach using azeotropes successfully shows that changes in the solvent composition of the binary solvent system during evaporation can be used to prepare superhydrophobic coatings with well-controlled surface structures.

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“…Preparation of superhydrophobic materials with oil-water separation ability have become a research topic. There are numerous methods for fabricating superhydrophobic materials, including spraying [23][24][25][26], impregnation [27][28][29], sol-gel [30][31][32], etching [33,34], and (electro)chemical deposition [35][36][37], etc. Typically, substances with low surface energy, such as, fluorinated silanes [38], tetrafluoroethylene [39], fluoropolymer [40,41] were used to reduce the surface energy and enhance the roughness of systems in order to obtain superhydrophobic materials.…”

Section: Introductionmentioning

confidence: 99%

Facile Fabrication of Robust and Fluorine-Free Superhydrophobic PDMS/STA-Coated Cotton Fabric for Highly Efficient Oil-Water Separation

Liu¹,

Tang²

2023

Preprint

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Oil-water separation using special wettability materials has received much attention due to its low energy consumption and high separation efficiency. Herein, a fluorine-free superhydrophobic cotton fabric(PDMS/STA -coated cotton fabric) was successfully prepared by a simple impregnation method using hydroxyl-capped polydimethylsiloxane (PDMS-OH), tetraethoxysilane (TEOS) and stearic acid (STA) as precursors. The Investigation found that the cross-linking reactions between the hydroxyl groups form PDMS-OH, hydrolyzed TEOS made a strong interact of PDMS-OH and cotton fabric. Besides, a suitable roughness surface of coated cotton fabric was established by introducing STA due to its long chain-structure. The contact angle of this composite can reach 158.7°under optical condition due to its low surface energy and desired roughness. The oil/water separation efficiency of PDMS/STA-coated cotton fabric is higher than 90% even after 10 cycles of oil-water separation, the oil flux can reach 11862.42 L m-2 h-1. In addition, PDMS/STA-coated cotton fabric exhibits excellent chemical stability and durability under extreme conditions such as strong acid (HCl, pH=1~2) and alkali (NaOH, pH=13~14), the hydrophobicity of PDMS/STA-coated cotton fabric was decreased to 147° even after 350 cycles of abrasion testing.

show abstract

Self-healing and wear resistance stable superhydrophobic composite coating with electrothermal and photothermal effects for anti-icing

Cited by 21 publications

References 31 publications

High-Efficient Anti-Icing/Deicing Method Based on Graphene Foams

High-Efficient Anti-Icing/Deicing Method Based on Graphene Foams

Azeotropic Binary Solvent System Containing Nonfluorinated Polymer-Grafted Silica Nanoparticles for the Fabrication of a Superhydrophobic Surface

Facile Fabrication of Robust and Fluorine-Free Superhydrophobic PDMS/STA-Coated Cotton Fabric for Highly Efficient Oil-Water Separation

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