Environment-friendly water-based industrial anti-corrosion coating paint and preparation method thereof

By compounding corrosion-inhibiting emulsions, barrier agents, slag composite fillers, and other components, a long-lasting protective system is constructed, which features active chemical corrosion protection, physical layered barrier, dense film formation, and interfacial covalent bonding. This solves the problems of insufficient corrosion resistance and poor weather resistance of water-based coatings in the field of heavy-duty corrosion protection, and realizes the application of high-performance environmentally friendly water-based coatings.

CN122103979APending Publication Date: 2026-05-29CHINA PAINT MFG CO SHENZHEN
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Patent Information

Application Number
CN202610518969.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-04-20
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Existing water-based coatings have insufficient anti-corrosion performance in industrial heavy-duty anti-corrosion, shipbuilding, and marine engineering fields, and have poor water resistance and weather resistance, making them difficult to replace traditional solvent-based heavy-duty anti-corrosion coatings.

Method used

By combining corrosion-inhibiting emulsions, barrier agents, slag composite fillers, and other synergistic components with chlorinated ether resin emulsions, amino-terminated hyperbranched polyamide crosslinking agents, composite film-forming aids, functional aids, and synergistic aids, a long-lasting protective system is formed, which features active chemical corrosion protection, physical layered barrier, dense film formation, and interfacial covalent bonding.

Benefits of technology

It achieves high-performance protection of water-based coatings in harsh corrosion scenarios such as industrial heavy-duty anti-corrosion, shipbuilding, and marine engineering. It has excellent mechanical properties, acid and alkali resistance, damp heat resistance, and salt spray resistance, and can replace traditional solvent-based heavy-duty anti-corrosion coatings, promoting the green and high-performance development of the coating industry.

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Abstract

The invention relates to an environment-friendly water-based industrial anticorrosive coating and a preparation method thereof, and belongs to the technical field of coatings, and the coating comprises the following components: a chlorinated polyether resin emulsion, a corrosion inhibition emulsion, a blocking agent, a slag composite filler and the like. The corrosion inhibition emulsion is prepared by catalyzing hexamethylcyclotrisilazane, glycidyl furfuryl ether and 2-furfurylamine in isopropyl alcohol through tetramethylammonium hydroxide, removing isopropyl alcohol and then emulsifying with deionized water and a compound emulsifier. The blocking agent is prepared by modifying a titanium carbide aluminum sheet layer subjected to acid stripping with 3-aminopropyltriethoxysilane. The slag composite filler is prepared by sintering blast furnace slag powder, zeolite powder and monopotassium phosphate, etching by citric acid, and modifying by boron nitride and a KH-172 silane coupling agent. The coating uses water as a dispersion medium to reduce VOC emission, a protection system is constructed from multiple dimensions of chemical active corrosion prevention, physical layered barrier, compact film formation of a coating film and interface covalent bonding, and the coating is suitable for severe corrosion scenes such as industrial heavy corrosion prevention, ships and ocean engineering.
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