Superhydrophobic waxy-dendron-grafted polymer films via nanostructure manipulation

Ting, Wei-Ho; Chen, Chao-Chin; Dai, Shenghong A.; Suen, Shing‐Yi; Yang, I‐Kuan; Liu, Ying‐Ling; Chen, Franklin M. C.; Jeng, Ru‐Jong

doi:10.1039/b900468h

Cited by 35 publications

(26 citation statements)

References 69 publications

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“…The spiked low-energy surface was reported to achieve a water contact angle of 1658. [112] PDMS is a low-energy material that can be roughened to form a super-hydrophobic surfaces. [113] However, PDMS has also been used as a substrate onto which a mono-layer of close-packed silica spheres was transferred ( Figure 39).…”

Section: Miscellaneous Surfacesmentioning

confidence: 99%

Preparation and Characterisation of Super‐Hydrophobic Surfaces

Crick

Parkin

2010

Chemistry A European J

280

171

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The interest in highly water-repellent surfaces has grown in recent years due to the desire for self-cleaning surfaces. A super-hydrophobic surface is one that achieves a water contact angle of 150 degrees or greater. This article explores the different approaches used to construct super-hydrophobic surfaces and identifies the key properties of each surface that contribute to its hydrophobicity. The models used to describe surface interaction with water are considered, with attention directed to the methods of contact angle analysis. A summary describing the different routes to hydrophobicity is also given.

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Section: Miscellaneous Surfacesmentioning

confidence: 99%

Preparation and Characterisation of Super‐Hydrophobic Surfaces

Crick

Parkin

2010

Chemistry A European J

280

171

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“…Besides, this versatile technique offers additional possibilities to introduce further roughness, for instance in the preparation of hierarchical surfaces as described in previous sections. Superhydrophobic films have been obtained from porous surfaces made of fluorinated polymer [143] or waxy-dendron-grafted polymers [212] by peeling off the top layer. The resultant pincushion structures exhibit very high contact angles.…”

Section: Superhydrophobic Surfacesmentioning

confidence: 99%

Breath Figures: Fabrication of Honeycomb Porous Films Induced by Marangoni Instabilities

Muñoz‐Bonilla¹,

Save²,

Billon³

et al. 2015

Polymer Surfaces in Motion

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The creation of porous polymer surfaces is a center of interest in current research. Porous surfaces possess extremely high specific surface areas, thus allowing their employment in a large variety of applications including electronics, photonics or biotechnology [1,2]. Pore size and distribution can play a major role in selective transportation or in insulation processes amongst others [3]. Those porous materials with cavities in the micrometer size range are interesting in catalysis, sensors, membrane preparation or as scaffolds for composite materials. Moreover porous materials with pore dimensions comparable to the wavelength of visible light are of interest as photonic band-gaps and optical stop-bands.Structures with micrometer or submicrometer dimensions can be created using different templating methods [4,5]. A large variety of approaches have been developed and employed to prepare microporous structured materials, including the use of templates such as ordered arrays of colloidal particles to produce inverse opal structures [6][7][8][9], from transformed polymeric sphere arrays [10,11], using emulsion droplets as templates [12], employing natural biological templates [13][14][15][16], by

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“…Based on the theoretical background of wetting, it is easy to understand that the great effect of morphological and structural parameters on the determination of wetting models and contact TCL situation and resultant to influence the droplet adhesion on super-antiwetting surfaces. For the identical material with certain surface energy, the solid/liquid adhesive force can be controlled by tailoring the morphology or the scale of the structures on the surface [55][56][57][58][59]. Accordingly, we designed and constructed three kinds of unique super-antiwetting TiO 2 nanostructure models, e.g., a nanotube array (NTA), a nanopore array (NPA), and a nanovesuvianite structure (NVS) by a facile electrochemical anodizing process ( Figure 5) [54].…”

Section: Super-antiwetting Surfaces With High Adhesionmentioning

confidence: 99%

TiO2 -Based Surfaces with Special Wettability – From Nature to Biomimetic Application

Huang¹,

Lai²

2015

Wetting and Wettability

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Super-wetting/antiwetting surfaces with extremely high contrast of surface energy and liquid adhesion have attracted a lot of interest in both fundamental research and industry. Various types of special wetting surfaces can be constructed by adjusting the topographical structure and chemical composition. In this chapter, recent advance of the super-wetting/antiwetting surfaces with special solid/liquid adhesion has been reviewed, with a focus on the biomimetic fabrication and applications of TiO -based surfaces. Special super-wettability examples include lotus-leaf-inspired surfaces with low adhesion, rose-petal-inspired surfaces with high adhesion, spider silk bioinspired surfaces with directional adhesion, fish-scale-inspired underwater superoleophobic surface, and artificial surfaces with controllable or stimuli-responsive liquid adhesion. In addition, we will review some potential applications related to artificial antiwetting surface with controllable adhesion, e.g., self-cleaning, antifogging/antiicing, micro-droplet manipulation, fog/water collection, water/oil separation, antibioadhesion, micro-template for patterning, and friction reduction. Finally, the difficulty and prospects of this renascent and rapidly developing field are also briefly proposed and discussed.Keywords: Wettability, Super-wetting/antiwetting, "dhesion, TiO -based surface, "pplication © 2015 The Author(s). Licensee InTech. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. . IntroductionDuring the past decades, super-antiwetting surfaces, with a water contact angle WC" greater than o , have attracted considerable interest due to their importance in both fundamental research and practical application [ -]. Two types of extremely superantiwetting cases exist in nature, which are the sliding super-antiwetting lotus leaves or water strider with ultralow water sliding resistance and the sticky super-antiwetting petal effect or gecko feet with extremely high liquid adhesion. "iomimetic studies demonstrate that the synergistic effect of topographical structures and chemical compositions plays a vital role on the special functional surfaces with various adhesions. These findings have inspired the creation of super-antiwetting functional surfaces with self-cleaning, anti-icing/ antifogging, water/oil separation, micro-droplet manipulation, anti-bioadhesion, microtemplate, and low-friction transportation [ -].Figure . Some natural cases in lotus leaf, mosquito eye, rose petal, spider silks, butterfly wings, gecko feet, desert beetle, and water strider and their potential applications of biomimetic super-antiwetting surfaces, such as self-cleaning, anti-icing/antifogging, micro-droplet manipulation, fog/water collection, water/oil separation, anti-bioadhesion, microtemplate for patterning, and friction reductionIn the following two s...

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Superhydrophobic waxy-dendron-grafted polymer films via nanostructure manipulation

Cited by 35 publications

References 69 publications

Preparation and Characterisation of Super‐Hydrophobic Surfaces

Preparation and Characterisation of Super‐Hydrophobic Surfaces

Breath Figures: Fabrication of Honeycomb Porous Films Induced by Marangoni Instabilities

TiO2 -Based Surfaces with Special Wettability – From Nature to Biomimetic Application

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