Issue 10, 2022

Cyclic polymers: synthesis, characteristics, and emerging applications

Abstract

Cyclic polymers with a ring-like topology and no chain ends are a unique class of macromolecules. In the past several decades, significant advances have been made to prepare these fascinating polymers, which allow for the exploration of their topological effects and potential applications in various fields. In this Review, we first describe representative synthetic strategies for making cyclic polymers and their derivative topological polymers with more complex structures. Second, the unique physical properties and self-assembly behavior of cyclic polymers are discussed by comparing them with their linear analogues. Special attention is paid to highlight how polymeric rings can assemble into hierarchical macromolecular architectures. Subsequently, representative applications of cyclic polymers in different fields such as drug and gene delivery and surface functionalization are presented. Last, we envision the following key challenges and opportunities for cyclic polymers that may attract future attention: large-scale synthesis, efficient purification, programmable folding and assembly, and expansion of applications.

Graphical abstract: Cyclic polymers: synthesis, characteristics, and emerging applications

Article information

Article type
Review Article
Submitted
17 maí 2022
Accepted
01 ágú. 2022
First published
02 ágú. 2022
This article is Open Access
Creative Commons BY license

Nanoscale Horiz., 2022,7, 1121-1135

Cyclic polymers: synthesis, characteristics, and emerging applications

C. Chen and T. Weil, Nanoscale Horiz., 2022, 7, 1121 DOI: 10.1039/D2NH00242F

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