Silicone based superhydrophobic coating efficient to reduce ice adhesion and accumulation on aluminum under offshore arctic conditions

Brassard, Jean-Denis; Laforte, Jean-Louis; Blackburn, Caroline; Perron, Jean; Sarkar, Dilip

doi:10.1016/j.oceaneng.2017.08.022

Cited by 28 publications

(17 citation statements)

References 56 publications

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“…From that starting point, the typical icephobic coatings must resist to the freezing of the impacting supercooled droplets (repel them or delay their freezing time) [52,58,[80][81][82], lower the freezing temperature of water droplets at continuous solid-liquid contact i.e., sessile droplet mode (freezing temperature depression) [58,77,83] and minimizing or avoiding the frost growth [78,[84][85][86][87]. However, if by some reason icing occurs, another characteristic feature indicating passive icephobicity is the reduced ice adhesion strength compared to plain materials [39,[88][89][90].…”

Section: Nomenclature Of Icing and Criteria For Passive Icephobicity mentioning

confidence: 99%

From Extremely Water-Repellent Coatings to Passive Icing Protection—Principles, Limitations and Innovative Application Aspects

Esmeryan¹

2020

Coatings

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The severe environmental conditions in winter seasons and/or cold climate regions cause many inconveniences in our routine daily-life, related to blocked road infrastructure, interrupted overhead telecommunication, internet and high-voltage power lines or cancelled flights due to excessive ice and snow accumulation. With the tremendous and nature-inspired development of physical, chemical and engineering sciences in the last few decades, novel strategies for passively combating the atmospheric and condensation icing have been put forward. The primary objective of this review is to reveal comprehensively the major physical mechanisms regulating the ice accretion on solid surfaces and summarize the most important scientific breakthroughs in the field of functional icephobic coatings. Following this framework, the present article introduces the most relevant concepts used to understand the incipiency of ice nuclei at solid surfaces and the pathways of water freezing, considers the criteria that a given material has to meet in order to be labelled as icephobic and clarifies the modus operandi of superhydrophobic (extremely water-repellent) coatings for passive icing protection. Finally, the limitations of existing superhydrophobic/icephobic materials, various possibilities for their unconventional practical applicability in cryobiology and some novel hybrid anti-icing systems are discussed in detail.

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Section: Nomenclature Of Icing and Criteria For Passive Icephobicity mentioning

confidence: 99%

From Extremely Water-Repellent Coatings to Passive Icing Protection—Principles, Limitations and Innovative Application Aspects

Esmeryan¹

2020

Coatings

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“…The coatings were selected primarily for their facility of application, using a spray gun, over medium to large scale substrates. All the coatings are recognized to reduce the ice adhesion due to previous studies conducted at The Anti-icing Materials International Laboratory (AMIL) [3,[10][11][12][13][14].…”

Section: Coatings Characteristicsmentioning

confidence: 99%

Effect of Various Surface Coatings on De-Icing/Anti-Icing Fluids Aerodynamic and Endurance Time Performances

2019

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The Anti-icing Materials International Laboratory (AMIL) has been testing SAE AMS1424 and AMS1428 ground de-icing/anti-icing fluids for more than 30 years. With the introduction of new surface coatings and their investigation as potential passive ice protection systems, or for hybrid use with other methods, it is important to understand their interaction with the ground de-icing/anti-icing fluids prior to applications on aircraft. In this study, five different surface coatings, both commercially available and under development, have been tested under two current test methods used to qualify the ground de-icing/anti-icing fluids: The Water Spray Endurance Test (WSET) and the Aerodynamic Acceptance Test (AAT). The tests were performed on three existing commercial de-icing/anti-icing fluids. The results have shown that the coatings tested in this study can considerably reduce the endurance time of the fluids and affect their ability to spread and wet the test surface. Superhydrophobic 1 coating also reduced the aerodynamic penalties created by the Ref. Fluid. Surface coatings, no matter their nature, can impact the performances and behaviour of the fluids and should be thoroughly tested before their use in the industry. The conclusions and methodology of this study were used in the development of sections of the SAE AIR6232 Aircraft Surface Coating Interaction with the Aircraft Deicing/Anti-Icing Fluids standard.

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“…For example, ice adhesion on a material measured using push‐off methods will almost certainly be different than the adhesion measured using a centrifuge test, which is related to the unique distribution of forces at the interface in these tests. As such it is often useful to express deicing performance in terms of an adhesion reduction factor (ARF), where the measured adhesion values are compared to a standard such as aluminum or stainless steel measured using the same method. For passive anti‐icing materials, ice delamination occurs without external energy input (e.g., scraping, heating, smashing), making them key targets of interest, especially when an installation susceptible to icing is located in a remote area, or dangerous to access, such as offshore wind turbines .…”

Section: Introductionmentioning

confidence: 99%

Highly cross‐linked UV‐cured siloxane copolymer networks as icephobic coatings

Coady

Getangama

Khalili

et al. 2020

Journal of Polymer Science

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Preventing ice growth on infrastructure, vehicles, and appliances remains a significant engineering challenge. Damage caused by ice growth on these installations can be expensive to repair, and their failure can be dangerous. Materials such as cross‐linked polymer networks make effective anti‐ice coatings and can prevent ice growth: reducing the cost of infrastructure repairs and limiting downtime. A link between cross‐link density and ice adhesion has been demonstrated, such that lower cross‐link density materials tend toward lower ice adhesion. Here we describe a method of lowering cross‐link density by incorporating the covalently bound comonomers methyl methacrylate, lauryl methacrylate, and styrene into UV‐cured PDMS‐based polymer networks. Cross‐link density, hardness, surface roughness, and ice adhesion on these materials are tested, showing the influence of comonomer proportions on their properties. Durability is found to increase with the addition of 5, 10, and 25 wt% comonomer, with little to no effect on ice adhesion until 25 wt%, where increases in ice adhesion are observed. Coatings show promisingly low ice adhesion of ~50 kPa, maintaining this low adhesion for up to 50 deicing cycles.

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Silicone based superhydrophobic coating efficient to reduce ice adhesion and accumulation on aluminum under offshore arctic conditions

Cited by 28 publications

References 56 publications

From Extremely Water-Repellent Coatings to Passive Icing Protection—Principles, Limitations and Innovative Application Aspects

From Extremely Water-Repellent Coatings to Passive Icing Protection—Principles, Limitations and Innovative Application Aspects

Effect of Various Surface Coatings on De-Icing/Anti-Icing Fluids Aerodynamic and Endurance Time Performances

Highly cross‐linked UV‐cured siloxane copolymer networks as icephobic coatings

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