层状双氢氧化物在防腐领域应用的研究进展

Research Progress of Layered Double Hydroxide in the Field of Anticorrosion

层状双氢氧化物(LDHs)简单的合成工艺、可灵活设计的结构、经济性、环保性和阴离子交换性强化了它在防腐涂料领域的应用范围。可以通过一种或多种工艺相结合实现LDHs的目标性能,也可以通过表面修饰和内部阴离子置换进行化学改性,增强LDHs的可应用性,满足不同领域的应用需求。主要聚焦了LDHs的合成方法、防腐蚀机理、防腐蚀的实际应用以及局限性和展望,分析归纳了各种合成方法的优点和不足,并对未来LDHs在防腐领域的应用研究提出了一些建议。

Layered double hydroxides(LDHs)has simple synthesis process,flexible structure,economy,environmental protection and anion exchange,which strengthen its application range in the field of anti-corrosion coatings.The target properties of LDHs can be achieved by a combination of one or more processes,or chemically modified by surface modification and internal anion replacement,enhancing the applicability of LDHs to meet the needs of different fields of application.This paper mainly focuses on the synthesis method of LDHs,the mechanism of corrosion protection,the practical application of LDHs corrosion protection,and its limitations and prospects.It analyzes the advantages and disadvantages of various synthesis methods,and provides suggestions for future research on the application of LDHs in the field of corrosion protection.