两性离子聚合物涂层的研究与应用进展

Progress on Zwitterionic Polymeric Coatings

两性离子聚合物是一类整体呈电中性,在同一单体侧链上同时含有阴、阳离子基团的高分子材料,因其独特的分子结构和理化性质引起了人们广泛的关注。两性离子聚合物具有极强的水化能力,通过结合水分子可以在材料表面形成一层致密的水化层,使其成为涂层材料功能化的良好选择,在诸多领域具有潜在的应用价值。从介绍两性离子聚合物的分类及聚合物涂层的制备方法入手,进一步对两性离子聚合物在海洋防污、生物医学和膜分离技术中的应用研究进展进行论述,最后对两性离子聚合物及涂层的发展进行总结和展望。

Zwitterionic polymers with both cationic and anionic charged moieties on the same side chain display electroneutrality,which have attracted considerable attention due to their unique molecular structure and physicochemical properties.Zwitterionic polymers have a strong hydration capability,which can form a dense hydration layer on the surface of the material by binding water molecules,making it a good choice for the functionalization of coating materials and has potential application value in many fields.In this review,the categories of zwitterionic polymers and the preparation methods of polymeric coatings were firstly introduced,and then the application research of zwitterionic materials in marine antifouling,biomedicine and membrane separation technology was described.Finally,the development of zwitterionic polymeric coatings was summarized and prospected.