Copper-silver-gold super-hydrophobic nano coating conversion liquid and preparation method thereof

By self-assembling thiol compounds on the metal surface to form a copper, silver and gold super-hydrophobic nano-coating, the problem of performance degradation of existing coatings in high-temperature environments is solved, high-temperature resistance and super-hydrophobicity are achieved, and the corrosion resistance and service life of metal materials are improved.

CN120591769APending Publication Date: 2025-09-05SHENZHEN TIANYUE NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202510769547.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-10
Publication Date
2025-09-05

AI Technical Summary

Technical Problem

The preparation process of existing superhydrophobic coatings is complex, costly, and has poor mechanical strength and stability, as well as insufficient durability, making it difficult to maintain performance in high-temperature environments.

Method used

Using copper, silver and gold super-hydrophobic nano-coating conversion liquid, thiol compounds are self-assembled on the metal surface to form a tightly ordered molecular layer, constructing a high-temperature resistant, super-hydrophobic nano-coating.

Benefits of technology

It achieves stable superhydrophobic properties in high-temperature environments, improves the corrosion resistance and service life of metal materials, and reduces preparation costs and operational complexity.

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Abstract

The invention discloses a copper-silver-gold super-hydrophobic nano coating conversion liquid, which is prepared from the following ingredients in parts by weight: 73.0 to 80.6 parts of water, 15.0 to 17.0 parts of organic sulfur auxiliary agents, 1.0 to 1.3 parts of sulfamic acid, 0.2 to 0.3 part of benzotriazole, 5 to 10.0 parts of dipropylene glycol monomethyl ether, 0.2 to 0.5 part of hexadecyl hydroxyethyl imidazoline and 5.0 to 10.0 parts of alkyl glycoside. The thiol compound has unique chemical properties and can be self-assembled on the surfaces of metals such as copper, silver and gold to form an ordered molecular layer. Through reasonable design and regulation of the structure and self-assembly conditions of the thiol compound, the copper-silver-gold super-hydrophobic nano-coating conversion liquid can construct a nano-coating with high temperature resistance and super-hydrophobic characteristics on a metal surface.
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