Effect of heating rate on asperities pattern formed in sol-gel derived nanocomposite hydrophobic coatings

Patra, Ramay; Raju, K. R. C. Soma; Murugan, K.; Subasri, R.

doi:10.1007/s10971-022-05762-8

Cited by 2 publications

(1 citation statement)

References 20 publications

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“…These mechanisms collectively enhance the adhesion between the coating and the substrate. Likewise, Patra et al [81] used silica as a nano-particle filler, mixed it in the gel system with 1H,1H,2H,2H-perfluoro-octyltriethoxysilane (FTS), and deposited it onto the substrate to form nano/micro-structures.…”

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

View full text Add to dashboard Cite

show abstract

Ceramic–polymer hybrid coatings for diverse applications

K R C,

2024

Front. Coat. Dyes Interface Eng.

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The sol–gel process is a simple wet chemical method used to generate nano-crystalline or nano-scaled amorphous ceramic and ceramic–polymer hybrid coatings. Pure ceramic and pure polymer coatings have certain limitations for use over a wide range of applications due to the high-temperature heat treatment requirement for the former and poor mechanical properties of the latter. Hence, ceramic–polymer hybrid coatings are the need of the hour for use in diverse applications on different substrates. Furthermore, bioinspired multifunctional coatings that mimic complex geometrics of the lotus leaf, pitcher plant, etc., are being investigated for their use in corrosion protection, biofilm inhibition, antifouling, etc. Such complex geometries can be generated by a combination of physical and chemical modifications of a surface. In the case of the chemical modification of a surface, instead of a pure ceramic or pure polymer coating, a ceramic–polymer hybrid coating would be the choice, as, a rigid backbone is provided by the ceramic (metal oxide network) moiety and a flexible structure by the polymeric moiety. This review discusses the sol–gel-derived pure ceramic and ceramic–polymer hybrid coatings, their applications, challenges, research gaps as they have been evolving over the years, and two nature-inspired phenomena, namely, superhydrophobicity and self-healing, that have been widely researched for use in various applications.

show abstract

Effect of heating rate on asperities pattern formed in sol-gel derived nanocomposite hydrophobic coatings

Cited by 2 publications

References 20 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

Ceramic–polymer hybrid coatings for diverse applications

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