Analysis of wear abrasion resistance of superhydrophobic acrylonitrile butadiene styrene rubber (ABS) nanocomposites

Milionis, Athanasios; Languasco, J.; Loth, Eric; Bayer, Ilker S.

doi:10.1016/j.cej.2015.06.086

Cited by 79 publications

(43 citation statements)

References 65 publications

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“…A simple example of wear similarity is sanded Teflon (polytetrafluoroethylene, PTFE) which can be rendered superhydrophobic by using fine grit sandpaper so that continued sanding would retain superhydrophobicity until the Teflon material is completely worn away. In almost all the cases reported in the literature, the most durable non-wettable surfaces or coatings that can withstand the abovementioned approaches are polymer-based nanocomposites [11,12]. However, recent progress indicates that transparent non-wettable coatings can also be produced with reasonable robustness, which can eventually resist continuous harsh abrasion conditions by one of the two abovementioned mechanisms.…”

Section: Introductionmentioning

confidence: 99%

On the Durability and Wear Resistance of Transparent Superhydrophobic Coatings

Bayer

2017

Coatings

121

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Transparent liquid repellent coatings with exceptional wear and abrasion resistance are very demanding to fabricate. The most important reason for this is the fact that majority of the transparent liquid repellent coatings have so far been fabricated by nanoparticle assembly on surfaces in the form of films. These films or coatings demonstrate relatively poor substrate adhesion and rubbing induced wear resistance compared to polymer-based transparent hydrophobic coatings. However, recent advances reported in the literature indicate that considerable progress has now been made towards formulating and applying transparent, hydrophobic and even oleophobic coatings onto various substrates which can withstand certain degree of mechanical abrasion. This is considered to be very promising for anti-graffiti coatings or treatments since they require resistance to wear abrasion. Therefore, this review intends to highlight the state-of-the-art on materials and techniques that are used to fabricate wear resistant liquid repellent transparent coatings so that researchers can assess various aptitudes and limitations related to translating some of these technologies to large scale stain repellent outdoor applications.

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Section: Introductionmentioning

confidence: 99%

On the Durability and Wear Resistance of Transparent Superhydrophobic Coatings

Bayer

2017

Coatings

121

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“…Water impalement was observed after 12 mL of water were emptied on the surface. Although many robust superhydrophobic surfaces have been reported in the literature (mostly in the form of composite coatings) with considerable greater performance compared to our material, no such durability levels have been achieved with a pillar‐patterned material composed by fully degradable and natural organic components like the one presented here.…”

Section: Resultsmentioning

confidence: 79%

Engineering Fully Organic and Biodegradable Superhydrophobic Materials

Milionis

Sharma

Hopf

et al. 2018

Adv Materials Inter

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superhydrophobic materials have been reported. [12] However, most of these materials make use of petroleum derivatives and fluorinated compounds, [13] as well as textured inorganic materials, [14] which serve as substrates for surface chemical functionalization. These materials are not inherently biodegradable and thus pose a challenge in terms of environmental impact and recyclability. Especially longchain fluorinated compounds, which are used often to obtain liquid repellency, are difficult to degrade and tend to bioaccumulate. [15,16] Furthermore, even if these substances degrade after a prolonged period, some of their by-products are known to be toxic, such as perfluorooctanoic acid [17] and perfluorooctanesulfonate. [18] Recent studies have reported the use of more sustainable methods and materials to obtain the self-cleaning effect. These include the use of biodegradable polymers and natural materials, [19] waterborne spray approaches, [20] alcoholic solvent environment, [21] silicone-based biocompatible materials, [22] reactive polymeric materials, [23] fluorine-free substances, [24][25][26] cellulose-based, [27] and natural wax-based material compositions. [28,29] The use of the latter two materials (cellulose and wax) is inspired from the fact that they are the main constituents of a broad selection of plants, including the well-known Lotus leaf. [30] Cellulose is the material that mainly constitutes the substrate and is responsible for the leaf's mechanical properties and microroughness (the latter in the form of macropapillae) in a wide range of plants. On the other hand, the wax nanocrystals cover the microtopography and are responsible for the superhydrophobicity, bothThe development of fully organic (cellulose/wax based), biodegradable, and hierarchically textured superhydrophobic material, inspired by natural, selfcleaning plants, like the Lotus leaf is reported. The developed material can reproduce in a controllable and artificial manner the chemical composition and material properties of these natural surfaces. At the same time, the fabrication protocol described here enables realization of properties beyond the ones found in the natural leaves, by allowing facile tuning of the topographical and mechanical properties. The surface topography consists of a micropillar structure assembly with, to the best of the authors' knowledge, the highest to date reported aspect ratio (7.6) for cellulose materials. Additionally, control and tunability of the material's mechanical properties are also demonstrated, which is rendered softer (down to 227 MPa Young's modulus from 997 MPa base value) by adding glycerol as a natural plasticizer. Finally, the self-cleaning properties are demonstrated and the biodegradability of the material is evaluated in a period of ≈3 months, which confirms full biodegradation. Additionally, water drop and jet impact, and folding tests demonstrate that the material can reasonably sustain its wettability properties. Such a truly bioinspired and biodegradable material system could fin...

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“…However, droplet roll-off angles increased close to 20°, indicating considerable decline in droplet mobility over the surface50. Compared to other reported works47484951, wear abrasion resistance of the TAPNC coatings will need to be improved further without forfeiting on the insect impact repellent properties.…”

Section: Resultsmentioning

confidence: 84%

Thermal Alternating Polymer Nanocomposite (TAPNC) Coating Designed to Prevent Aerodynamic Insect Fouling

Bayer¹,

Krishnan²,

Robison³

et al. 2016

Sci Rep

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Insect residue adhesion to moving surfaces such as turbine blades and aircraft not only causes surface contamination problems but also increases drag on these surfaces. Insect fouling during takeoff, climb and landing can result in increased drag and fuel consumption for aircraft with laminar-flow surfaces. Hence, certain topographical and chemical features of non-wettable surfaces need to be designed properly for preventing insect residue accumulation on surfaces. In this work, we developed a superhydrophobic coating that is able to maintain negligible levels of insect residue after 100 high speed (50 m/s) insect impact events produced in a wind tunnel. The coating comprises alternating layers of a hydrophobic, perfluorinated acrylic copolymer and hydrophobic surface functional silicon dioxide nanoparticles that are infused into one another by successive thermal treatments. The design of this coating was achieved as a result of various experiments conducted in the wind tunnel by using a series of superhydrophobic surfaces made by the combination of the same polymer and nanoparticles in the form of nanocomposites with varying surface texture and self-cleaning hydrophobicity properties. Moreover, the coating demonstrated acceptable levels of wear abrasion and substrate adhesion resistance against pencil hardness, dry/wet scribed tape peel adhesion and 17.5 kPa Taber linear abraser tests.

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Analysis of wear abrasion resistance of superhydrophobic acrylonitrile butadiene styrene rubber (ABS) nanocomposites

Cited by 79 publications

References 65 publications

On the Durability and Wear Resistance of Transparent Superhydrophobic Coatings

On the Durability and Wear Resistance of Transparent Superhydrophobic Coatings

Engineering Fully Organic and Biodegradable Superhydrophobic Materials

Thermal Alternating Polymer Nanocomposite (TAPNC) Coating Designed to Prevent Aerodynamic Insect Fouling

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