Mass-producible superhydrophobic surfaces

Lee, Sang Eon; Lee, Kang Won; Kim, Jinha; Lee, Kwang-Cheol; Lee, Seung S.; Hong, Seong Uk

doi:10.1039/c1cc14489h

Cited by 17 publications

(20 citation statements)

References 33 publications

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“…Many of these methods are not yet practical in an industrial context as they are only achievable when starting them during the initial steps of production. 33 Moreover, most of these techniques suffer from process complexity, a low level of automation, a limitation of available materials, and high specialization of the required equipment. 34 Replication-based techniques, on the other hand, can be applied to already-produced polymer surfaces, sheets, and films, etc.…”

Section: Introductionmentioning

confidence: 99%

Advances in the Fabrication of Superhydrophobic Polymeric Surfaces by Polymer Molding Processes

Maghsoudi

Vazirinasab

Momen

et al. 2020

Ind. Eng. Chem. Res.

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Superhydrophobic materials are found in a suite of scientific and industrial applications, and given their broad potential use, there is great interest in facilitating their mass production. Although numerous methods have been used to produce superhydrophobic materials, only a few are capable of fabricating superhydrophobic surfaces and materials at an industrial scale. Techniques such as injection molding, compression molding, hot embossing, and polymer casting play an important role in the mass production of superhydrophobic polymer surfaces. This technical literature review summarizes recent advances in the polymer molding processes used to fabricate superhydrophobic materials. Here, we review replication methods and the materials that can be used by these approaches. We also evaluate the advantages and disadvantages of these methods and discuss the challenges of molding and demolding single-level structures (e.g., microstructures and nanostructures) and multilevel structures (e.g., micro-nanostructures, micromicrostructures, and micromicro-nanostructures), with a focus on superhydrophobic surfaces. We evaluate the relationship between structure geometry and the wettability of a surface, highlighting the effect of structure type and size in achieving the desired wettability. We then offer perspectives, discuss current limitations, and suggest required studies. This review aims to assist researchers in understanding the fundamentals related to the fabrication of patterned surfaces via polymer molding processes and offer avenues for the successful creation of superhydrophobic polymeric surfaces.

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Section: Introductionmentioning

confidence: 99%

Advances in the Fabrication of Superhydrophobic Polymeric Surfaces by Polymer Molding Processes

Maghsoudi

Vazirinasab

Momen

et al. 2020

Ind. Eng. Chem. Res.

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“…The construction of the surfaces by the emerging routes usually involves creating rough surface structures in the first place [10], followed by further modification with low surface energy materials such as fluorocarbons, fluoroalkyl-silane and hydrophobic silica [11][12][13]. Many processing techniques for example lithography patterning [14], layer-by-layer deposition [15], anodic oxidation [16], electrodeposition [17], sol-gel [18], mold fabrication-hot embossing process [19], electrospinning and chemical vapor deposition [20] have been attempted for fabricating hydrophobic surfaces. Regardless of the success of the abovementioned methods, large-scale fabrication of the surfaces with sufficient mechanical strength yet remains elusive.…”

Section: Introductionmentioning

confidence: 99%

Construction of mechanically durable superhydrophobic surfaces by thermal spray deposition and further surface modification

Chen

Gong

Suo

et al. 2015

Applied Surface Science

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“…Two main strategies are used to achieve superhydrophobicity, one is modified with hydrophobic agent and the other is creation of surface roughness. In most cases, the two strategies are combined together to improve superhydrophobic performance of the surfaces 15,16. Thus, learning from biomimetic research, we believe that the flower‐like structure has both micro and nano structure and could be a good candidate for the application in construction of such a surface roughness.…”

Section: Introductionmentioning

confidence: 99%

Photoluminescent hierarchical Zno micro‐flower and its surface wettability

2012

Cryst. Res. Technol.

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The flower-like ZnO with micro-nano hierarchical structure is successfully obtained by a simple hydrothermal synthesis, using sodium dodecyl benzene sulfonate (SDBS) as a structure direct agent. The resulted ZnO microflowers are very uniform in morphology with particle sizes around 1 μm. A number of techniques, including X-ray diffraction (XRD), field emission scan electron microscopy (FESEM), energy-dispersive spectroscopy (EDS), fourier transform infrared (FTIR) spectra and thermogravimetry analysis (TGA), are used to characterize the obtained ZnO. The self-assemble of ZnO nano-sheets under the direction of SDBS leads to the formation of ZnO micro-flowers. The room temperature photoluminescence property of the obtained flower-like ZnO exhibits a broad visible light emission. The surface of as-made ZnO shows a very hydrophilic property, while the special micro-nano hierarchical structure enables the ZnO micro-flower a superhydrophobic surface after modification of fluoroalkylsilane.

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Mass-producible superhydrophobic surfaces

Abstract: Mass-producible superhydrophobic surfaces with remarkably identical appearance and efficiency through a mold fabrication and hot embossing process are reported.

Cited by 17 publications

References 33 publications

Advances in the Fabrication of Superhydrophobic Polymeric Surfaces by Polymer Molding Processes

Advances in the Fabrication of Superhydrophobic Polymeric Surfaces by Polymer Molding Processes

Construction of mechanically durable superhydrophobic surfaces by thermal spray deposition and further surface modification

Photoluminescent hierarchical Zno micro‐flower and its surface wettability

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