本申请公开一种用作医用镁合金缓蚀剂的席夫碱、其制备方法及利用其制备自修复耐蚀杂化涂层的方法,属于金属材料表面防腐蚀技术领域,所述用作生物医用镁合金缓蚀剂的席夫碱的结构式如下：,R为H、C1至C6的烷基、苄基、2-吲哚基、-CH_2OH、-CH_2SH、-CH_2CH_2SCH_3、H_2NCOCH_2-、_2NCOCH_2CH_2-、CH_3CH(OH)-、COOHCH_2CH_2-、H_2NCH_2CH_2CH_2CH_2-或。本申请将缓蚀剂与杂化涂层技术相结合,在涂层降解过程中出现或发生涂层的小缺陷时,随着缓蚀剂的释放并发挥作用,能够有效阻挡腐蚀介质到达金属表面,发挥其自修复性能,从而进一步降低镁合金腐蚀速率。

The application discloses a Schiff base used as a medical magnesium alloy corrosion inhibitor, a preparation method thereof, and a method for preparing a self-repairing corrosion-resistant hybrid coating by using the same, belonging to the technical field of anti-corrosion on the surface of metal materials. The structural formula of Schiff base of medical magnesium alloy corrosion inhibitor is as follows:R is H, C1 to C6 alkyl, benzyl, 2-indolyl, -CH_2OH, -CH_2SH, -CH_2CH_2SCH_3, H_2NCOCH_2-, H_2NCOCH_2CH_2 -, CH_3CH(OH)-, COOHCH_2CH_2-, H_2NCH_2CH_2CH_2CH_2- or. This application combines the corrosion inhibitor with the hybrid coating technology. When small defects of the coating appear or occur during the degradation process of the coating, as the corrosion inhibitor is released and plays a role, it can effectively prevent the corrosive medium from reaching the metal surface. , Exert its self-repairing performance, thereby further reducing the corrosion rate of magnesium alloy.