Salt Spray Resistant Marine Coatings

A one-component, solvent-free, environmentally friendly paint composition for ships that forms a phosphate film to prevent corrosion. The composition comprises a natural resin, an aqueous solution of manganese sulfate, tannin, and limonene, with specific weight ratios of these components. The composition is formulated to provide excellent salt spray resistance, impact resistance, elasticity, flame retardancy, and durability, while eliminating the need for solvents, hardeners, and volatile thinners.

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A self-made, fluoropolymer-based, water-based anti-corrosion paint that achieves salt spray resistance of over 2,000 hours. The paint comprises a fluoropolymer emulsion with fluorine-containing monomers, a self-made surfactant, and specific additives. The emulsion polymerizes under mild acidic conditions, producing a stable, nanoscale fluoropolymer dispersion that exhibits enhanced corrosion resistance properties. The paint's fluorine content is precisely controlled to prevent slag formation during polymerization, while maintaining compatibility with conventional emulsifiers. This fluoropolymer-based system enables superior salt spray resistance, acid resistance, and weather resistance compared to conventional single-component paints.

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Water-based container coating comprising a primer and finish paint, where the primer comprises modified water-based epoxy zinc-rich primer and modified water-based vinylidene chloride primer, and the finish paint is a waterborne polyurethane modified acrylic topcoat.

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A marine coating that combines anti-fouling and anti-corrosion properties through a novel biological approach. The coating utilizes a combination of natural compounds extracted from seaweed and sponges, specifically azadirachtin and its derivatives, to create a multi-functional coating that prevents marine organisms from attaching to surfaces. The coating's unique composition balances mechanical adhesion with biological inhibition, offering superior performance compared to conventional epoxy-based coatings.

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A water-based primer for marine coatings that enhances salt spray resistance without heavy metal fillers. The primer combines a modified acrylic resin with a bisphenol A dispersion, methyl etherified amino resin, and a solvent to create a film with improved resistance to salt spray corrosion. The formulation also incorporates anti-rust fillers, deionized water, and a dispersing agent. The primer achieves salt spray resistance of up to 500 hours, meeting the requirements for marine coatings in harsh environments.

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Environmentally friendly ship interior cabin floor paint and preparation method that addresses the challenges of high-temperature, high-corrosion marine environments. The paint combines a thermoplastic resin with a hyperbranched polyethersulfone (HPTS) component, which enhances water resistance, salt resistance, and acid resistance while maintaining excellent performance in harsh marine conditions. The preparation method involves mixing the thermoplastic resin with the HPTS, followed by curing and finishing steps. The paint formulation provides superior protection against corrosion and environmental stressors, making it suitable for ship interior applications.

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Ship anti-corrosion and anti-fouling structure comprising a galvanized layer, an epoxy resin bonding layer, a polyfluoroalkylated (PFA) layer, an anti-corrosion layer, a waterproof and wear-resistant coating, an antibacterial layer, and an anti-ultraviolet layer. The structure comprises a galvanized layer, an epoxy resin bonding layer, a PFA layer, an anti-corrosion layer, a waterproof and wear-resistant coating, an antibacterial layer, and an anti-ultraviolet layer. The structure comprises a galvanized layer, an epoxy resin bonding layer, a PFA layer, an anti-corrosion layer, a waterproof and wear-resistant coating, an antibacterial layer, and an anti-ultraviolet layer.

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Water-based high salt spray anticorrosive coating for steel, comprising a modified acrylic emulsion and additives. The coating provides superior corrosion protection through a self-crosslinking mechanism that enhances mechanical properties and wetting characteristics. The coating formulation combines a water-based emulsion with pH regulators, wetting agents, dispersants, and a graphene-based additive to achieve enhanced salt spray resistance.

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A water-based environmentally friendly coating with enhanced performance characteristics through a hardening layer. The coating comprises a base layer of a water-based acrylic emulsion, which contains hydroxyl-containing polyester (ether) acrylic polyol bonded to an acrylic polymer. The emulsion is synthesized through a specialized process involving high-glass-transition-temperature monomers and bridging monomers. This emulsion layer enhances the coating's hardness, adhesion, chemical resistance, and gloss properties, making it superior to traditional water-based coatings.

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A water-based marine coating that enhances salt spray resistance while maintaining excellent water-based performance. The coating comprises deionized water, acrylic resin, vinyl acetate, water-based epoxy emulsion, UV absorber, defoamer, fillers, neutralizers, thickeners, film-forming aids, and additives. The coating's formulation balances water-based properties with enhanced salt spray resistance through the incorporation of specialized additives that prevent chloride-induced corrosion while maintaining the paint's water-based performance.

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A superhydrophobic self-cleaning anti-salt spray coating for metal surfaces that protects against corrosion while maintaining water-repellent properties. The coating consists of silica nanoparticles encapsulated within a polymer matrix, creating a nanoscale membrane that prevents water and corrosive ions from penetrating the surface. This self-cleaning mechanism enables the coating to maintain its protective properties even after exposure to corrosive environments. The coating can be prepared through a simple spray process, making it suitable for industrial applications where corrosion protection is critical.

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A water-based nano-silica salt spray resistant and waterproof coating for steel structures that achieves superior performance in harsh environmental conditions. The coating combines a proprietary nano-silica composite with a green, VOC-free formulation that incorporates a water-based acrylic silicone-acrylic emulsion and pH-adjusted epoxy. The coating process involves high-speed dispersion and grinding of the nano-silica composite into a fine powder before mixing with the base emulsion, which is then formulated with water, acrylic silicone, and pH-adjusted epoxy. The resulting coating exhibits excellent performance against salt spray, aging, and environmental stressors, while maintaining water resistance and durability.

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A waterborne epoxy primer and intermediate paint system for construction coatings that addresses the limitations of traditional solvent-based systems. The primer, a water-based epoxy iron oxide red, combines with a calcium-modified aluminum tripolyphosphate to create a fast-drying, low-VOC primer. The primer is then formulated with fillers, pigments, and additives to produce a smooth, uniform film. The primer is then cured to form a strong bond, followed by a waterborne epoxy light gray intermediate paint that provides excellent adhesion and durability. The system enables rapid drying times, reduced VOC emissions, and improved performance in high-performance coatings applications.

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A water-based alkyd resin with enhanced salt spray resistance, weather resistance, and slip properties. The resin combines a modified alkyd backbone with specific additives that address the limitations of conventional water-based alkyd resins. The resin achieves superior performance through the incorporation of hydrophobic and hydrophilic components that enhance its water resistance, corrosion resistance, and slip properties.

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A long-lasting hull coating for ships that protects against seawater corrosion. The coating consists of a grease decomposing agent, phenylsilane coupling agent, acrylic resin, aramid staple fiber, and silicone alkane components. The coating is applied to the ship's hull and forms a durable, water-repellent barrier that prevents seawater corrosion over extended periods.

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High salt spray powder coating composition comprising a polymer matrix and a graphene-based additive. The composition combines a polymer matrix with a graphene-based additive to enhance weather resistance and durability in powder coatings. The graphene additive provides improved hydrophobicity, abrasion resistance, and chemical resistance, while maintaining the polymer matrix's solid-state properties. This composition enables enhanced performance in outdoor applications while maintaining the benefits of powder coatings.

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A marine salt spray resistant paint combining cardanol/fluorocarbon resin/zinc powder composite formulation with a curing agent hexamethylene diisocyanate trimer. The composite formulation provides enhanced salt spray resistance compared to conventional cardanol-based coatings, while maintaining superior performance in chloride ion corrosion protection. The composite formulation combines cardanol's inherent properties with fluorocarbon resin and zinc powder to create a durable, salt spray resistant coating.

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High-performance anti-corrosion coating for ships that replaces traditional anionic coatings with a water-based system. The coating combines nano-calcium carbonate, nano-alumina powder, dodecylbenzene, sodium sulfonate, nicotine, anti-settling agent, tributyl citrate, filler, antifouling agent, adhesion promoter, and zein to create a durable, environmentally friendly coating that prevents corrosion while maintaining water-based formulation.

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Seawater corrosion-resistant surface protective coating and preparation method for marine structures. The coating comprises a marine-grade epoxy resin, nano-alumina, modified graphite oxide, emulsifier, and water, applied to a metal surface using a toroidal grease and ridge soil composition. The coating provides enhanced protection against chloride-induced corrosion in marine environments, with a thickness of 20-30 microns.

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Water-based paint for salt spray and corrosion-resistant ships that addresses environmental concerns. The paint utilizes a novel combination of ultraviolet absorbers, specifically phenyl o-hydroxybenzoate, 2,4-dihydroxybenzophenone, 2-hydroxy-4-methoxybenzophenone, 2-hydroxy-4-octyloxybenzophenone, and 4-benzoyloxy-2,2,6,6-tetramethylpiperidine, in a water-based formulation. This paint system combines the inherent corrosion protection of these compounds with a water-based delivery system, eliminating the need for organic solvents and reducing environmental impact.

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