Anti Icing Coatings for Aircraft Surface

A zinc oxide/acetic acid super hydrophobic coating for aircraft wings that enhances ice removal through a novel combination of thermal management and surface modification. The coating, comprising zinc oxide and acetic acid, forms a durable, water-repellent layer on the wing surface that prevents ice formation while maintaining aerodynamic performance. The coating's unique properties enable efficient ice removal during flight conditions, while its thermal management system ensures consistent temperature distribution across the wing surface.

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Dual-curing anti-icing coating for aircraft surfaces that combines improved weather resistance with enhanced durability. The coating comprises a hyperbranched polyester acrylate, modified epoxy acrylate, fluorine-modified polyurethane acrylate, pentaerythritol tetraacrylate, and tetrahydrofurfuryl acrylate. The coating is prepared through a specific mixing ratio of these components, with optional fluorine-containing additives, and cured using a cationic sulfide initiator. The dual-curing process enables the coating to achieve superior weather resistance and durability while maintaining excellent anti-icing performance.

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Anti-icing nano coating for wind turbine blades that provides enhanced protection against ice formation through a multi-component formulation. The coating comprises acrylic resin, fluorinated siloxane, titanium dioxide, zinc oxide, aluminum oxide, montmorillonite, and surfactant. The surfactant enables the coating to maintain its transparency while dispersing the other components. The formulation combines these components in a solvent-based system to create a durable, ice-resistant coating that maintains its structural integrity even under extreme weather conditions.

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Carbon-based nanomaterial-enhanced elastomer coatings for aircraft surfaces to prevent ice formation. The coating incorporates low loadings of functionalized graphene oxide, carbon nanotubes, or graphene nanoplatelets into an elastomer matrix, enhancing both durability and icephobicity. The coating demonstrates superior ice resistance compared to traditional deicing systems, with a lower shear force required to shed ice. The nanomaterials' dispersed distribution within the elastomer matrix enables controlled icephobicity while maintaining mechanical integrity.

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A fluorine-containing polyphosphazene visible light curing aircraft anti-icing coating that enables efficient and environmentally friendly flight safety through controlled supercooling and ice detachment. The coating utilizes a fluorine-containing polyphosphazene with nanosheet morphology as a functional auxiliary agent, enabling the formation of a hydrophobic surface that prevents supercooled water droplet accumulation and promotes ice detachment. The coating is prepared through blending of the fluorine-containing polyphosphazene with oligomers, reactive diluents, and visible light initiators, and is cured using visible light. This innovative approach addresses the limitations of conventional anti-icing coatings by providing a controlled, supercooling-resistant surface that prevents ice formation while maintaining aerodynamic performance.

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A composite aircraft anti-icing coating that addresses the issue of water adhesion and ice formation on epoxy resin surfaces. The coating combines a hydrophobic PTFE layer with nanoparticles, where the nanoparticles form a three-dimensional branched structure on the PTFE surface. This creates a hydrophobic micro-structure that significantly delays ice formation and maintains the surface's anti-icing properties even in extreme low-temperature conditions. The coating's unique structure prevents mechanical interlocking between the surface and ice, while the PTFE layer maintains its hydrophobic properties. This approach enables effective anti-icing performance on carbon fiber reinforced epoxy composite materials without compromising their structural integrity.

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Polyurethane-based, stress-localized ice-shedding coatings that achieve low ice adhesion while maintaining durability under extreme environmental conditions. The coatings consist of a high-shear modulus polyurethane matrix phase, a low-shear modulus Phase II-A phase comprising thermoplastic elastomer, wax, and high-oleic oil, and a low-shear modulus Phase II-B phase comprising silicone elastomer and silicone oil. The Phase II-A and Phase II-B phases are uniformly distributed within the high-shear modulus matrix phase, creating a stress-localized surface that initially detaches ice from the material before propagating. The coatings exhibit exceptional durability under rain erosion conditions with wind speeds exceeding 172 meters per second.

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A scalable, self-lubricating icephobic coating that achieves low ice adhesion through a novel amphiphilic copolymer-based approach. The coating comprises a polymer matrix and an amphiphilic copolymer, where the copolymer incorporates water-soluble PEG molecules that form a quasi-liquid layer at the ice-substrate interface. This self-lubricating layer prevents ice nucleation and growth, while the polymer matrix provides mechanical robustness. The coating can be applied to various surfaces, including aircraft, ships, wind turbines, and solar panels, through spin coating or other methods, and exhibits superior ice adhesion performance compared to conventional deicing systems.

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Anti-icing coatings exhibiting low interfacial toughness with ice, enabling efficient ice removal from large surfaces without high force requirements. The coatings achieve this through a novel interfacial property - low interfacial toughness (LIT) with ice - that enables passive ice removal without the conventional need for high ice detachment force. The coatings have an interfacial toughness of less than 1 J/m2, enabling efficient ice removal from surfaces like wind turbine blades and boat hulls.

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Method to prevent ice buildup on wind turbine blades using super-hydrophobic coating. The method involves spraying a specific coating on the blades called DSAN (Diamine-siloxane-amine-naphthol) to make the surface less prone to ice adhesion. The coating weakens ice bonding and helps melting in low temperatures. The steps include base surface washing, drying, primer spray, topcoat spray, and blade transfer. The coating weight increase is controlled to avoid excessive blade weight gain.

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A polymer that reduces ice adhesion to surfaces, particularly in aircraft and vehicle applications. The polymer forms a protective coating that specifically breaks the hydrogen bonding between ice and the surface, thereby preventing ice formation. The polymer can be applied to various materials, including metals, composites, and polymers, and exhibits improved performance compared to conventional ice-reducing coatings.

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A de-icing system integrated into an aircraft's primary structure, eliminating the need for separate components and conventional bleed systems. The system comprises a thermally responsive, solid-state de-icing material integrated into the aircraft's primary structure, which maintains optimal temperature control through self-heating and cooling mechanisms. This integrated design eliminates the conventional bleed system's weight, complexity, and maintenance requirements, while maintaining effective de-icing performance.

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A thermal-activated anti-icing system for aircraft components that utilizes a combination of carbon nanotubes and solar-powered heating. The system comprises an array of carbon nanotubes thermally coupled to a first exposed surface of the aircraft, and an array of solar cells carried by the aircraft and electrically coupled to the array of carbon nanotubes. The carbon nanotubes are activated by electrical power from the solar cells, which transfers heat to the aircraft surface, preventing ice formation.

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A heating system for aircraft engine components that utilizes carbon nanotubes as a thermal management medium. The system employs a magnetic field generator to create a controlled temperature gradient across the nanotube array, which is then electrically driven to generate heat through Joule heating. The nanotube array is thermally coupled to the exposed surface and electrically connected to the magnetic field generator, enabling efficient heat transfer to the surrounding structure.

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A mixed coating material for aircraft wings that provides comprehensive anti-icing capabilities across all surfaces, particularly in regions inaccessible to conventional anti-icing systems. The coating consists of a cold curing resin and a particulate fluororesin, with the fluororesin content exceeding 43% in the cured state. This composition enables the formation of a durable, water-repellent coating film that effectively prevents ice formation on wing surfaces, including leading edges, trailing edges, and other areas where conventional anti-icing systems may fail. The coating system is cured at room temperature, eliminating the need for high-temperature heating and reducing power consumption.

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A self-lubricating icephobic coating for aircraft surfaces that provides ultra-low ice adhesion and superior strength through a novel combination of hydrophobicity, low surface roughness, coating elasticity, and lubrication-enabled interfacial slippage. The coating is formed by mixing a silicone elastomer with xylene and a silicone oil, with optimal infusion levels and composition ratios. This material exhibits exceptional performance in harsh icing environments, including cryogenic temperatures, by maintaining a liquid layer on the interface with accreted ice, while maintaining mechanical stability. The coating can be applied to aircraft surfaces, including leading edges of wings, propellers, and engine components, through various coating methods, including drop casting, flow coating, spin coating, dip coating, and spraying.

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A novel ice protection system for aircraft that enables increased fuel efficiency and operation while maintaining anti-ice capabilities. The system integrates a reservoir with a cooling system that distributes coolant to aerodynamic surfaces through two separate conduits. The cooling system provides thermal contact with electronic components, while the reservoir supplies the coolant. This dual-technology approach enables the system to maintain optimal operating conditions while reducing power consumption and weight compared to conventional anti-ice systems.

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A method for suppressing ice formation on substrates by applying a curable film-forming composition. The method comprises applying to a substrate a curable film-forming composition comprising polyurethane, followed by a primer application, and then a final coating. The curable film-forming composition comprises polyurethane, followed by a primer application, and then a final coating.

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A leading edge fairing assembly for aircraft that enhances ice protection through a novel anti-icing coating. The assembly features a silicone-modified acrylic resin coating applied to the leading edge fairing surface, which provides superior ice control properties compared to conventional anti-icing systems. The coating is formulated with a specific organosilicon monomer composition and is applied through a controlled spraying process. This coating system enables effective ice prevention on the leading edge fairing, particularly in icing conditions, while maintaining low surface energy and energy consumption.

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Anti-icing coating for vertical fin leading edges of aircraft wings that effectively prevents ice formation while maintaining aerodynamic performance. The coating comprises a primer and topcoat comprising a polyurethane primer and an organic fluorine and silicone-modified acrylic paint, with a specific thickness profile that enhances ice nucleation suppression while maintaining structural integrity. The coating's unique thickness profile, with gradual taper from front to rear, optimizes ice formation suppression at the leading edge while minimizing aerodynamic impact.

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