Preparation method of low-surface-energy super-hydrophobic coating on surface of copper alloy

• Main Authors: DOU XIAOHUI, ZHANG DALEI, ZHANG XINWEI, HE CHUAN, KIM HONG-HEE, HE ZONGHAO
• Format: Patent
• Language: Chinese; English
• Published: 23.06.2023
• Subjects: APPARATUS THEREFOR; CHEMISTRY; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; METALLURGY; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS

The invention belongs to the field of surface modification of metal materials, and particularly relates to a preparation method of a low-surface-energy super-hydrophobic coating on a copper alloy surface, which comprises the following steps: firstly, pretreating metal, preparing an MOF ligand solution, preparing an MOF film layer on the copper alloy surface, preparing a calcium chloride stearic acid absolute ethyl alcohol low-energy modification solution, and preparing a low-surface-energy super-hydrophobic coating on the copper alloy surface; the MOF film layer sample is soaked in the low-energy solution, and the low-surface-energy super-hydrophobic coating is obtained; the preparation method is simple in step, low in equipment and process requirements and rapid in preparation, the prepared coating has good binding force with the copper alloy and can be evenly distributed on the metal surface, the coating has very low surface energy, hydrophobicity can achieve super hydrophobicity, good corrosion resistance