Method for Producing a Surface Coating with Ice-Repellent Properties, Surface Coating and Use Thereof

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This patent describes a method for creating an ice-repellent surface coating using a pyroelectric film. The process involves applying a coating of polyvinylidene fluoride or tetraethyl orthosilicate mixed with pyroelectric nanoparticles onto a surface, heat-treating it, and then applying an electric field to enhance its ice-repelling properties. The resulting coating prevents ice from forming or sticking to the treated surface.

Use CasesContent extracted from patent full text and abstract with AI.

• Aircraft wings, windshields, and other critical aviation surfaces to prevent ice accretion
• Wind turbine blades for maintaining efficiency during cold weather
• Refrigerator and freezer surfaces to reduce frost buildup
• Outdoor power lines and infrastructure to minimize ice-related damage
• Road signs and lighting fixtures in cold climates for increased safety and visibility

BenefitsContent extracted from patent full text and abstract with AI.

• Reduces or eliminates the need for chemical de-icing agents, which can be costly and environmentally harmful
• Improves safety by preventing ice buildup on critical surfaces
• Can decrease maintenance costs and downtime by reducing manual ice removal
• Enhances operational reliability in harsh, cold environments
• Potentially offers a longer-lasting ice-repellent effect due to durable material choices

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Inventors & Applicants

Patent Abstract

Producing ice-repellent coating made of pyroelectric film, comprises (a) coating a surface with a coating liquid made of polyvinylidene fluoride, (b) drying the coated surface, (c) phase transforming the polyvinylidene fluoride by heat treating the coated surface at 135-150[deg] C, and (d) applying an electric field on the coated surface, or (i) coating the surface with a coating liquid made of tetraethyl orthosilicate comprising pyroelectric nano- and/or microparticles, (ii) carrying out step (b), (iii) heat treating the coated surface at 50-100[deg] C, and (iv) carrying out step (d). Producing ice-repellent coating made of pyroelectric film, comprises: (a) coating a surface with a coating liquid made of polyvinylidene fluoride, in pure form, as a solution, mixture or as a dispersion, (b) drying the coated surface, (c) carrying out phase transformation of the polyvinylidene fluoride by heat treating the coated surface at 135-150[deg] C, and (d) applying an electric field on the coated surface; or (i) coating the surface with a coating liquid made of tetraethyl orthosilicate comprising pyroelectric nano- and/or microparticles made of strontium barium niobate, (ii) carrying out step (b), (iii) heat treating the coated surface at 50-100[deg] C, and (iv) carrying out step (d). An independent claim is also included for the ice-repellent surface coating comprising polyvinylidene fluoride or pyroelectric nano- and/or microparticles.