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Issue 31, 2019

Fast track access to multi-block copolymers via thiol-bromo click reaction of telechelic dibromo polymers

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Abstract

Multi-block copolymers offer a plethora of exciting properties, easily tuned by modulating parameters such as monomer composition, block length, block number and dispersity. Here, we demonstrate a highly efficient one-pot synthesis of such materials by combining copper-mediated reversible-deactivation radical polymerisation (Cu-RDRP) with thiol-bromo post-polymerisation modification. Specifically, the use of bifunctional bromo initiators and bisthiol compounds furnishes hydrophilic, hydrophobic and amphiphilic architectures in less than 10 minutes via a step growth-type mechanism. Furthermore, the degradation characteristics of the obtained polymers are demonstrated in oxidative, methylating and high temperature environments. The rate of degradation and nature of the end-group is shown to vary with the choice of bisthiol linker and other reaction conditions.

Graphical abstract: Fast track access to multi-block copolymers via thiol-bromo click reaction of telechelic dibromo polymers

Supplementary files

Article information


Submitted
28 May 2019
Accepted
25 Jun 2019
First published
26 Jun 2019

Polym. Chem., 2019,10, 4259-4270
Article type
Paper

Fast track access to multi-block copolymers via thiol-bromo click reaction of telechelic dibromo polymers

V. P. Beyer, B. Cattoz, A. Strong, D. J. Phillips, A. Schwarz and C. Remzi Becer, Polym. Chem., 2019, 10, 4259 DOI: 10.1039/C9PY00775J

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