Facile preparation of supramolecular (ABAC)n multiblock copolymers from Hamilton wedge and barbiturate-functionalized RAFT agents

Senbin Chen; Yuanming Deng; Xijun Chang; Haitham Barqawi; Matthias Schulz; Wolfgang H. Binder

doi:10.1039/C3PY01482G

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Facile preparation of supramolecular (ABAC)_n multiblock copolymers from Hamilton wedge and barbiturate-functionalized RAFT agents†

Senbin Chen,*^a Yuanming Deng,^b Xijun Chang,^a Haitham Barqawi,^c Matthias Schulz^c and Wolfgang H. Binder*^c

Author affiliations

* Corresponding authors

^a College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China
E-mail: senbin.chen@gmail.com

^b College of Materials Science and Engineering, Shenzhen University and Shenzhen Key Laboratory of Special Functional Materials, Shenzhen, China

^c Institute of Chemistry, Chair of Macromolecular Chemistry, Faculty of Natural Sciences II (Chemistry, Physics and Mathematics), Martin-Luther University Halle-Wittenberg, von Danckelmann-Platz 4, Halle 06120, Germany
E-mail: wolfgang.binder@chemie.uni-halle.de

Abstract

Two original Hamilton wedge (HW)/barbiturate (Ba) functionalized symmetrical trithiocarbonates have been successfully synthesized and their capability to efficiently mediate the polymerization of styrene, nBuA and isoprene was investigated. Relying on supramolecular association of the recognition couple, telechelic macromolecular building blocks subsequently afford the formation of novel supramolecular (ABAC)_n multiblock copolymers, where A is in a glassy state, B and C in a rubbery state. The successful generation of the desired supramolecular structure was evidenced by ¹H NMR, ITC, viscometry, and DLS as well as DSC.

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Article information

DOI: https://doi.org/10.1039/C3PY01482G
Article type: Paper
Submitted: 23 Oct 2013
Accepted: 04 Jan 2014
First published: 06 Jan 2014

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Polym. Chem., 2014,5, 2891-2900

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Facile preparation of supramolecular (ABAC)_n multiblock copolymers from Hamilton wedge and barbiturate-functionalized RAFT agents

S. Chen, Y. Deng, X. Chang, H. Barqawi, M. Schulz and W. H. Binder, Polym. Chem., 2014, 5, 2891 DOI: 10.1039/C3PY01482G

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