共聚物的自组装研究进展

自组装是分子间通过非共价键相互作用自发组合形成的一类结构明确、稳定,同时具有某种特定功能或性能的分子聚集体或超分子结构的现象。利用共聚物自组装技术可以制备高度有序介观形貌的功能材料,这些材料有望在生物医学、药物释放、智能材料等领域得到广泛的应用。研究表明,不同结构的共聚物的自组装行为和功能一般不同,同时环境条件,如温度、pH值等也对共聚物自组装行为有很大影响。本文从共聚物结构及外部环境条件两个方面综述了近几年来共聚物的自组装行为规律,并分析了相关自组装结构应用的研究进展。

Progress in Self-assembly of the Copolymers

Self-assembly of copolymers is the process by which a system of molecules relied on non-covalent interaction spontaneously assemble into a stable and structure-determinated molecular aggregates or supramolecular structures with specific functions in the mean time.Well-organized structure of function materials can be attained through the self-assembly of copolymers,and these function materials have large potential applications in biomedicine,drug delivery,smart materials.The previous studies have revealed that the self-assembly morphologies of different structural copolymers and their functions are diverse,and can be tuned by controlling environmental conditions,such as pH,temperature,etc.In this paper,we review the self-assembly of copolymers with different chemical structures and the main influencing factors of self-assembly.Besides,the relationships among copolymer structures,the morphologies of self assembly as well as the function are involved.