Anticorrosive flame-retardant coating and preparation method thereof

By compounding waterborne polyurethane emulsion containing disulfide bonds with waterborne epoxy resin emulsion, and using polydopamine and zinc stannate inorganic phase modified carbon spheres to form a dense flame-retardant coating, the problem of micro-cracks in anti-corrosion and flame-retardant coatings under alternating hot and cold conditions and the problem of high smoke density in traditional flame retardants are solved, achieving efficient anti-corrosion and flame-retardant smoke suppression effects.

CN121930731BActive Publication Date: 2026-06-23TIELING SHANHAI ENVIRONMENTAL PROTECTION NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TIELING SHANHAI ENVIRONMENTAL PROTECTION NEW MATERIALS CO LTD
Filing Date
2026-03-31
Publication Date
2026-06-23

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Abstract

The application provides a kind of anticorrosive flame-retardant paint and its preparation method, belongs to the technical field of coating composition, comprising the following steps: S1, preparation WPU-SS emulsion;S2, preparation composite flame-retardant reinforcing material;S3, WPU-SS emulsion and water-based epoxy resin emulsion are mixed uniformly, glass flake, ammonium polyphosphate, composite flame-retardant reinforcing material, titanium dioxide and auxiliary agent are sequentially added, mixed and stirred, then curing component is added, mixed and stirred to obtain anticorrosive flame-retardant paint.The application can improve the flame-retardant performance while having good anticorrosive performance.
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