Issue 14, 2019

Synthesis of stimuli-responsive nanosized ring-like colloids and cyclic polymers via a dual-template approach

Abstract

Ring-like particles have received considerable attention due to their unique interior cavity and properties. However, the preparation of stimuli-responsive nanosized rings with internal size smaller than 100 nm remains unexplored likely due to the challenges encountered in their synthesis. The successful fulfillment of this target will not only significantly enrich the family of ring-like nanoparticles but also build a connection that bridges ring-like nanoparticles and cyclic polymers. For this purpose, we report in this study a controlled synthesis of stimuli-responsive ring-like colloids and cyclic polymers using both star-shaped polymers and β-cyclodextrin (β-CD) as the dual templates. The first template comprising star-shaped polymers generated a ring-like structure and adoption of β-CD as the second template further restricted the ring thickness to the height of a β-CD, leading to the generation of stimuli-responsive nanosized ring-like colloids with ring thickness less than 1 nm, which shifted the ring-like structure to cyclic polymers with reversible cross-linked disulfide bridges. The reported “dual-template” approach is thus a valuable alternative to the current synthetic strategies toward stimuli-responsive ring-like colloids and cyclic polymers.

Graphical abstract: Synthesis of stimuli-responsive nanosized ring-like colloids and cyclic polymers via a dual-template approach

Supplementary files

Article information

Article type
Edge Article
Submitted
26 Jan 2019
Accepted
04 Mar 2019
First published
04 Mar 2019
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2019,10, 3943-3948

Synthesis of stimuli-responsive nanosized ring-like colloids and cyclic polymers via a dual-template approach

J. Peng, C. Zuo, Q. Xiao, K. Deng, C. Meng, Y. Liu, M. Zhang, L. Ma, S. H. Pun and H. Wei, Chem. Sci., 2019, 10, 3943 DOI: 10.1039/C9SC00450E

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