Medical pure zinc material as well as preparation method and application thereof

• Main Authors: PAN MINGQIANG, LIU JIZHU, WANG YANGJUN, YAN BINGJIAO
• Format: Patent
• Language: Chinese; English
• Published: 19.08.2022
• Subjects: ALLOYS; APPARATUS THEREFOR; CHEMISTRY; ELECTROFORMING; ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTIONOF COATINGS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention relates to the field of medical materials, and discloses a medical pure zinc material as well as a preparation method and application thereof. A coating formed by micro-arc oxidation of a sodium phosphate electrolyte is arranged on the surface of the pure zinc material, wherein the temperature is kept at 25-35 DEG C during micro-arc oxidation of the sodium phosphate electrolyte. The coating is generated on the surface of the pure zinc material through micro-arc oxidation, the coating has no defects such as cracks and holes, pores are uniformly distributed, the film thickness is moderate, the electrochemical impedance of the coating is high, the corrosion potential is increased, and the corrosion rate is reduced, so that the problem that medical pure zinc is easy to corrode is solved, and application of the medical pure zinc as a biological material is facilitated. 本发明涉及医用材料领域，公开了一种医用纯锌材料及其制备方法和应用。本发明所述纯锌材料表面有经磷酸钠电解液微弧氧化而成的涂层，其中磷酸钠电解液微弧氧化时温度保持在25～35℃。本发明通过微弧氧化在纯锌材料表面产生涂层，该涂层不存在裂缝、孔洞等缺陷，孔隙均匀分布，膜层厚