Anti-Icing gradient organosilicate coatings

Chuppina, S. V.

doi:10.1134/s1087659607050136

Cited by 14 publications

(6 citation statements)

References 2 publications

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“…Even if the droplets are frozen, the contact area between the solid surface and the ice is reduced, which leads to a lower ice adhesion because of this special non-wetting condition. Therefore, the ice easily falls down under the influence of the high-speed airflow [39,40]. Undeniably, a lot more systematic explorations are highly demanded to design and fabricate a functional superhydrophobic coating which is similar to the lotus leaf surface to meet the aircraft service conditions.…”

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confidence: 99%

Recent Progress in Preparation and Anti-Icing Applications of Superhydrophobic Coatings

et al. 2018

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Aircraft icing refers to ice formation and accumulation on the windward surface of aircrafts. It is mainly caused by the striking of unstable supercooled water droplets suspended in clouds onto a solid surface. Aircraft icing poses an increasing threat to the safety of flight due to the damage of aerodynamic shape. This review article provides a comprehensive understanding of the preparation and anti-icing applications of the superhydrophobic coatings applied on the surface of aircrafts. The first section introduces the hazards of aircraft icing and the underlying formation mechanisms of ice on the surface of aircrafts. Although some current anti-icing and de-icing strategies have been confirmed to be effective, they consume higher energy and lead to some fatigue damages to the substrate materials. Considering the icing process, the functional coatings similar to lotus leaf with extreme water repellency and unusual self-cleaning properties have been proposed and are expected to reduce the relied degree on traditional de-icing approaches and even to replace them in near future. The following sections mainly discuss the current research progress on the wetting theories of superhydrophobicity and main methods to prepare superhydrophobic coatings. Furthermore, based on the bouncing capacity of impact droplets, the dynamic water repellency of superhydrophobic coatings is discussed as the third evaluated parameter. It is crucial to anti-icing applications because it describes the ability of droplets to rapidly bounce off before freezing. Subsequently, current studies on the application of anti-icing superhydrophobic coatings including the anti-icing mechanisms and application status are introduced in detail. Finally, some limitations and issues related to the anti-icing applications are proposed to provide a future outlook on investigations of the superhydrophobic anti-icing coatings.

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confidence: 99%

Recent Progress in Preparation and Anti-Icing Applications of Superhydrophobic Coatings

et al. 2018

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“…7a. The surface energy of all the samples was less than 27 mJ/m 2 and significantly lower than that of polyacrylate (39 mJ/m 2 for poly(methyl methacrylate)) [17], suggesting good hydrophobic properties. Among them, sample PF4 exhibited the highest water contact angle (109°) as well as the lowest surface energy (23.9 mJ/m 2 ).…”

Section: Resultsmentioning

confidence: 82%

“…It is assumed that the surface roughness could be enhanced by the enrichment of fluorinated polyacrylate block on the copolymer surface. Therefore, it could be concluded that although both of the fluorinated polyacrylate and PDMS blocks had the ability of migrating toward the surface, the PDMS block was easier to move onto the surface than the fluorinated polyacrylate block due to the better flexibility of the organic silicone chain [17]. In order to analyze the wetting properties of the block copolymers, the water contact angle, water contact angle hysteresis and surface energy were measured and shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

Icephobicity of polydimethylsiloxane-b-poly(fluorinated acrylate)

Luo

et al. 2014

Thin Solid Films

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“…As a rule, the set of these properties determines the service life and service reliability of organosilicate coatings. The energy characteristics of the surface of organosilicate coatings and the related decontamination ability, a low dirt-holding capacity, hydrophobicity, and anti-icing effect [14], i.e., the surface properties of organosilicate coatings, should be sensitive to a change in the chemical composition of the surface layer. For example, it is known that the decontamination ability of epoxydiane surfaces depends on the curing procedure [15,16].…”

Section: Introductionmentioning

confidence: 99%

Changes in the energy characteristics of the surface of organosilicate coatings in the course of formation

Chuppina

Zhabrev

2007

Glass Phys Chem

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The influence of the parameters of curing of organosilicate coatings and the degree of completeness of interfacial chemical reactions on the total surface energy, its dispersion and polar components, and the physicochemical and protective properties of coatings is analyzed. The possibility of using organosilicate coatings as easily cleanable materials is determined by the small values of the surface energy and its polar component.

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Anti-Icing gradient organosilicate coatings

Cited by 14 publications

References 2 publications

Recent Progress in Preparation and Anti-Icing Applications of Superhydrophobic Coatings

Recent Progress in Preparation and Anti-Icing Applications of Superhydrophobic Coatings

Icephobicity of polydimethylsiloxane-b-poly(fluorinated acrylate)

Changes in the energy characteristics of the surface of organosilicate coatings in the course of formation

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