Superhydrophobic wind turbine blade surfaces obtained by a simple deposition of silica nanoparticles embedded in epoxy

Karmouch, R.; Ross, G.G.

doi:10.1016/j.apsusc.2010.07.041

Cited by 101 publications

(50 citation statements)

References 25 publications

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“…Aggregation of the particles was observed with 1 wt% graphite in the blend. Aggregation of the microsize particles and increase in the number of flakes was observed with 2 wt% graphite [39,40]. The magnified image (Figure 5b) reveals more aggregation of graphite particles and enhanced non-wettability property.…”

Section: Resultsmentioning

confidence: 86%

Controlled anisotropic wetting behaviour of multi-scale slippery surface structure of non fluoro polymer composite

Sahoo¹,

Kandasubramanian²,

Sabarish³

2013

Express Polym. Lett.

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Abstract.A facile process for in-situ modification of surface properties of Waste Expanded Polystyrene (WEP)/graphite film produced by spin coating technique has been described. The additives undergo spontaneous surface agglomeration with formation of islands of forest of flake structure during the spinning process. This results in polymer films with enhanced roughness and highly hydrophobic surfaces. Wettability was analyzed using static water contact angle, surface morphology was observed using atomic force microscopy (AFM) and field emission scanning electron microscopy (FE-SEM). The polymer composite exhibited maximum water contact angle (WCA) of 129°. Surface texture reveals the variation of surface roughness which enables anisotropic surface wettability property. The present work exhibits promising approach for fabricating nano flake forest in polymer structures for various industrial applications.

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Section: Resultsmentioning

confidence: 86%

Controlled anisotropic wetting behaviour of multi-scale slippery surface structure of non fluoro polymer composite

Sahoo¹,

Kandasubramanian²,

Sabarish³

2013

Express Polym. Lett.

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“…It is now therefore clear that SHSs may only be efficient anti-icing materials under low humidity conditions [9,13,16,22,33], while their use as universal remedy for ice accretion, i.e. under a very wide range of atmospheric conditions, may be very limited [1,2,13,16,22,33]. In a similar way, a recent study reported by Rykaczewski and coauthors [34] also raised doubts about the universal use of another class of rough anti-icing materials, i.e.…”

mentioning

confidence: 97%

“…Certain surfaces with nanometer-scale roughness and higher wettability were found to display unexpectedly long freezing delays, at least one order of magnitude longer than typical SHSs with larger hierarchical roughness and low wettability [14]. In light of the above results, it is now clear that SHSs may not necessarily offer the best choice as universal and highly efficient materials for anti-icing applications [1,2,[13][14][15][16]22,29,33]. This implies that, amongst others, smooth surfaces should also be studied as alternative and (importantly) mechanically more stable candidates [5,14,16,22].…”

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confidence: 98%

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The icephobic performance of alkyl-grafted aluminum surfaces

et al. 2015

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Abstract. The work analyzes the anti-icing performance of flat aluminum surfaces coated with widely used alkyl-group based layers of octadecyltrimethoxysilane, fluorinated alkylsilane and stearic acid as they are subjected to repeated icing/deicing cycles. The wetting properties of the samples upon long-term immersion in water are also evaluated. The results demonstrate that smooth aluminum surfaces grafted with alkyl groups are prone to gradual degradation of their hydrophobic and icephobic properties, which is caused by interaction and reactions with both ice and liquid water. This implies that alkyl-group based monolayers on aluminum surfaces are not likely to be durable icephobic coatings unless their durability in contact with ice and/or water is significantly improved.

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“…For example, the use of nano--silica with particle diameters between 15--25 nm used to produce a super hydrophobic polymer matrix paint, it was found that the optimum performance was with a nano--silica concentration of 2--3% by weight Of the matrix (Karmouch and Ross, 2010).…”

Section: Introductionmentioning

confidence: 99%

Nano-Technological Products in Architecture and Construction

Hernández-Moreno

2017

HOLOS

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This work presents a review of the scientific literature that deals with the use of nanoscience and nanotechnology in architecture and construction industry in view of letting architects, builders, real estate promoters and interested parties know the scope that various nanomaterials, existing in the construction market could be used in this activities every--day from a sustainable and durable approach to architecture and construction. As a result we present, in an orderly and classified manner, a list of nano--products that can be applied to architecture and construction in building structures, covers and installations with an approach based on the architectonic and constructive durability of each component. It is concluded that there are numerous nano--products with different uses and applications sufficient for some construction needs, with important applications such as: improvement of the durability and degradation of materials (mainly concrete and steel), the efficiency of equipment and devices such as batteries, photovoltaic cells, electrical conductors, OLED lamps, water filters, paints, sealants, windowpanes, electronical components, architectural finishes, among other products.KEYWORDS: Nanotechnology, Nano--products, Nanomaterials, Construction, Architecture. NANOMATERIAIS APLICADOS EM ARQUITETURA E CONSTRUÇÃO RESUMOEste trabalho apresenta uma revisão da literatura científica que trata do uso da nanociência e da nanotecnologia na arquitetura e na indústria da construção, com vistas a permitir que arquitetos, construtores, promotores imobiliários e interessados conheçam o escopo no qual vários nanomateriais existentes no mercado de construção possam ser utilizados em suas actividades do dia a dia, a partir de uma abordagem sustentável e durável para a arquitetura e construção. Como resultado, apresentamos, de forma ordenada e classificada, uma lista de nano--produtos que podem ser aplicados à arquitetura e construção em estruturas, coberturas e instalações com uma abordagem baseada na durabilidade arquitetônica e construtiva de cada componente. Conclui--se que existem inúmeros nano--produtos com diferentes usos e aplicações suficientes para algumas necessidades de construção, com aplicações importantes como: melhoria da durabilidade e degradação de materiais (principalmente concreto e aço), eficiência de equipamentos e dispositivos como Baterias, células fotovoltaicas, condutores elétricos, lâmpadas OLED, filtros de água, tintas, vedantes, vidraças, componentes eletrônicos, acabamentos arquitetônicos, entre outros produtos. PALAVRAS--CHAVE:Nanotecnologia, Nano--produtos, os nanomateriais, Construção, Arquitetura.

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Superhydrophobic wind turbine blade surfaces obtained by a simple deposition of silica nanoparticles embedded in epoxy

Cited by 101 publications

References 25 publications

Controlled anisotropic wetting behaviour of multi-scale slippery surface structure of non fluoro polymer composite

Controlled anisotropic wetting behaviour of multi-scale slippery surface structure of non fluoro polymer composite

The icephobic performance of alkyl-grafted aluminum surfaces

Nano-Technological Products in Architecture and Construction

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