Synthesis of a multicyclic polymer with hyperbranched structure by click polymerization of an AB2 cyclic macromonomer

Chao Liu; Hua-Long Zhang; Wen Xu; Cai-Yuan Pan; Chun-Yan Hong

doi:10.1039/D0PY01604G

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Synthesis of a multicyclic polymer with hyperbranched structure by click polymerization of an AB₂ cyclic macromonomer†

Chao Liu,

^a Hua-Long Zhang,^a Wen Xu,^a Cai-Yuan Pan^a and Chun-Yan Hong

*^a

Author affiliations

* Corresponding authors

^a CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China
E-mail: hongcy@ustc.edu.cn

Abstract

A multicyclic polymer with a hyperbranched structure was successfully synthesized. A tailored initiator containing a protected alkynyl group was prepared and used to initiate the atom transfer radical polymerization (ATRP) of styrene. By the combination of a click reaction, a UV-induced coupling reaction and post-modification, an AB₂ type cyclic polystyrene with a protected alkynyl group and two azide groups was obtained, and after deprotection, the clickable cyclic polymer was used as a macromonomer to prepare a multicyclic polymer with a hyperbranched structure by click polymerization via the AB₂ strategy. Gel permeation chromatography (GPC) results showed that the obtained hyperbranched multicyclic polymer contained 47 cyclic units on average.

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Article information

DOI: https://doi.org/10.1039/D0PY01604G
Article type: Paper
Submitted: 20 Nov 2020
Accepted: 04 Jan 2021
First published: 04 Jan 2021

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Polym. Chem., 2021,12, 759-765

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Synthesis of a multicyclic polymer with hyperbranched structure by click polymerization of an AB₂ cyclic macromonomer

C. Liu, H. Zhang, W. Xu, C. Pan and C. Hong, Polym. Chem., 2021, 12, 759 DOI: 10.1039/D0PY01604G

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Polymer Chemistry