Coacervate‐Assisted Polymerization‐Induced Self‐Assembly of Chiral Alternating Copolymers into Hierarchical Bishell Capsules with Sub‐5 nm Ultrathin Lamellae

Author:

Xu Qingsong1,Yu Chunyang1,Jiang Lingsheng1,Wang Yuling1,Liu Feng1,Jiang Wenfeng1,Zhou Yongfeng1ORCID

Affiliation:

1. School of Chemistry and Chemical Engineering Frontiers Science Center for Transformative Molecules State Key Laboratory of Metal Matrix Composites Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 P. R. China

Abstract

AbstractHierarchical self‐assembly of synthetic polymers in solution represents one of the sophisticated strategies to replicate the natural superstructures which lay the basis for their superb functions. However, it is still quite challenging to increase the degree of complexity of the as‐prepared assemblies, especially in a large scale. Liquid–liquid phase separation (LLPS) widely exists in cells and is assumed to be responsible for the formation of many cellular organelles without membranes. Herein, through integrating LLPS with the polymerization‐induced self‐assembly (PISA), a coacervate‐assisted PISA (CAPISA) methodology to realize the one‐pot and scalable preparation of hierarchical bishell capsules (BCs) from nanosheets with ultrathin lamellae phase (sub‐5 nm), microflakes, unishell capsules to final BCs in a bottom‐up sequence is presented. Both the self‐assembled structure and the dynamic formation process of BCs have been disclosed. Since CAPISA has combined the advantages of coacervates, click chemistry, interfacial reaction and PISA, it is believed that it will become a promising option to fabricate biomimetic polymer materials with higher structural complexity and more sophisticated functions.

Funder

National Natural Science Foundation of China

Science and Technology Commission of Shanghai Municipality

Publisher

Wiley

Subject

General Materials Science,General Chemistry

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