Corrosion Resistant Coatings for Aircraft

A high-strength corrosion-resistant coating for aircraft comprising a waterborne polyurethane resin, titanium dioxide, modified graphene oxide, defoaming agent, curing agent, dispersant, and light stabilizer. The coating combines the natural barrier properties of graphene oxide with the reinforcement capabilities of hyperbranched polyethyleneimine (HPEI) through epoxysilane coupling. The HPEI grafts onto the graphene oxide surface, enhancing its mechanical strength while maintaining moisture barrier performance. The coating formulation balances these properties through precise control of HPEI concentration, ensuring optimal performance without compromising curing characteristics.

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Aerospace engine guide vane anti-corrosion coating that combines high thermal conductivity with enhanced corrosion protection. The coating comprises a fluorosilicone modified polyurethane matrix, diamond nanoparticles, carbon nanotubes, hollow microspheres, flake boron nitride, flake zinc phosphate, dispersant, leveling agent, and butyl acetate. The coating provides superior thermal conductivity while maintaining mechanical integrity, enabling efficient corrosion protection of copper alloy guide vanes in aircraft engines.

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A method for applying a corrosion-resistant coating to aircraft engine components using thermal powder coating. The coating, comprising a polyurethane or silicone polymer with a glass transition temperature below -30°C, is deposited through powder processing, providing enhanced corrosion protection for organic matrix composite or metallic components.

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Aircraft skin paint layer based on modified resin comprising a primer and a topcoat. The primer is a modified epoxy resin formed by hydroxyl ring-opening anhydride reaction with 16-cyclohexanedimethanol and 1,4-cyclohexanedimethanol, introducing six-membered ring alicyclic structure and long-chain flexible ether bonds while maintaining cross-linking density. The topcoat is a color paint prepared by introducing glycols with a six-membered ring structure into the middle of phthalic anhydride through hydroxyl ring-opening anhydride reaction, and an organic compound synthesized from chlorosilane monomers to graft-modify high hydroxyl value polyester resins. The modified resin exhibits enhanced corrosion resistance, adhesion, and thermal stability compared to traditional zinc-based coatings.

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A corrosion inhibition composition for metal and metal-coated substrates that enhances molybdate solubility. The composition comprises cerium, a silicate compound, and molybdate, which together regulate molybdate release. This composition provides enhanced corrosion protection for substrates like aircraft landing gear and construction components by improving molybdate solubility.

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Ceramic coatings for protecting EBC and CMC layers and thermal spraying methods thereof, particularly for gas turbine engine components. The coatings combine erosion-resistant, water vapor corrosion-resistant, and CMAS-resistant properties through a DVC (deposition by vacuum) process. The coatings are deposited directly on the EBC-coated substrate and comprise a mixture of rare earth stabilized zirconia (RE-ZrO) with rare earth silicates or other combinations of rare earth oxides, zirconia with rare earth oxides, zirconia with rare earth silicates, or other rare earth stabilized zirconia mixtures.

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A corrosion-resistant protective film for aircraft cargo compartment beams that prevents moisture and chemical corrosion through a multi-layered system. The film comprises a vinyl resin anticorrosive layer, a glass-based layer, and a release paper layer. The glass layer is applied first, followed by the vinyl resin layer, and finally the release paper layer. This layered structure provides comprehensive protection against corrosive substances while maintaining the structural integrity of the beam. The film's thickness range is between 0.03-0.12mm, with an areal density of 150g/m2-250g/m2.

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Powder coating for aircraft surfaces at the nanoscale, enabling enhanced durability and performance compared to traditional metal coatings. The coating employs a specially formulated titanium dioxide-based powder system, with additives that enhance wetting and leveling properties. The coating is cured using a fluorinated epoxy resin, which combines with the powder to create a strong, corrosion-resistant, and aerodynamically optimized finish for aircraft surfaces.

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A marine anti-corrosion nano-aviation coating that protects aircraft substrates from corrosion through a single-step hydrothermal reduction of graphene oxide and nano-metal. The coating consists of a graphene-nano-metal composite material, synthetic resin, deionized water, and additives, which forms a dense protective layer that shields water, oxygen, and hydrogen ions from corrosive substances. The coating achieves superior corrosion protection through the in situ replacement of oxygen atoms in graphene oxide by metal atoms, while also incorporating ethylene glycol, glucose, and ascorbic acid for residual metal ion reduction and purification.

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Composition for forming a magnesium-lithium alloy surface anticorrosive coating system and a preparation method of the anticorrosive coating system. The composition comprises an anticorrosive primer and a sealing varnish, wherein the anticorrosive primer is made of raw materials including the following mass ratios: 70-100 parts of high-density and toughness resin, preferably 80-95 parts.

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A coating protection treatment method for advanced reinforced structures that enhances durability in corrosive marine environments. The method involves applying a specialized coating to the structure's surface, specifically designed to address the unique challenges of salt spray exposure. The coating formulation combines advanced materials with proven corrosion-resistant properties, ensuring accelerated performance and extended maintenance intervals for aircraft structures.

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Anti-aging paint for aircraft surfaces that protects against thermal degradation while maintaining optical clarity. The paint contains a specialized pigment with high emissivity and optical stability, combined with a binder that maintains its performance in extreme temperature environments. The paint formulation ensures continuous optical performance even when exposed to temperature fluctuations, while maintaining its surface finish and durability.

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A lacquer formulation for drone skin that combines UV, rain, temperature, and chemical resistance properties while maintaining aesthetic appeal. The formulation provides comprehensive protection against environmental stressors, including UV degradation, moisture ingress, extreme temperatures, and corrosive substances, while also enhancing the drone's visual appearance.

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Protective film for enhanced chemical corrosion protection of aircraft surfaces, comprising a release layer, an adhesive layer, a functional material film, and the functional material film laminated with the adhesive. The film integrates a multi-layer material film comprising a flexible material, elastomer, and functionalized coating, providing enhanced chemical corrosion protection through its layered structure.

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A high-performance anticorrosive coating for extreme environments, comprising a unique formulation of modified nano-activated carbon, white oil, modified zeolite powder, hydrogenated castor oil, modified attapulgite, pumice sand, polyisobutylene, modified bentonite, polyvinyl alcohol, and zinc chromate. The coating provides enhanced protection against corrosion in marine and aviation applications through its synergistic combination of active corrosion inhibitors and physical barrier components. The formulation achieves superior performance while maintaining a lower cost profile compared to traditional anticorrosive coatings.

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A composite material for aircraft outer casings that combines excellent corrosion resistance and UV protection. The coating comprises a combination of a corrosion-resistant polymer matrix and a UV-blocking additive. The polymer matrix provides structural integrity while the UV-blocking additive enhances the coating's UV resistance. This dual-component system enables comprehensive protection against corrosion and UV degradation, ensuring the aircraft's structural integrity and safety.

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A marine corrosion-resistant aero engine deionized water paint for aircraft engine surfaces, comprising an epoxy primer with enhanced performance against high-humidity environments. The paint combines a proprietary epoxy resin with environmentally friendly cosolvents and specialized additives to provide superior protection against microorganisms, salt spray, and chemical corrosion. The primer's performance is demonstrated through its resistance to deionized water and salt spray, with enhanced impact resistance and wear resistance.

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Corrosion-resistant drone casing comprising a substrate, a hot-dip galvanized layer on the upper surface of the substrate, a metal anti-corrosion primer layer, a high-strength powder water-resistant coating, and an anti-corrosion coating on the zinc layer.

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High-performance alloy matrix anticorrosion coating and preparation method for marine and aviation equipment surfaces. The coating comprises an alloy matrix comprising at least one metal alloy, a corrosion-inhibiting agent, and a surface treatment component. The alloy matrix is formed by combining the metal alloy with the corrosion-inhibiting agent and surface treatment component in a controlled reaction process. The surface treatment component is applied to the alloy matrix surface and undergoes a controlled thermal treatment to enhance the corrosion-inhibiting properties of the alloy matrix.

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A waterproof and corrosion-resistant coating for helicopter surfaces that maintains integrity over time. The coating combines a durable polymer resin base with a specialized aluminum-based primer and a proprietary hydrophobic polymer layer, providing exceptional protection against environmental corrosion and water penetration. The coating system ensures continuous waterproofing while maintaining the structural integrity of the helicopter's surface, even under extreme environmental conditions.

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