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Issue 13, 2018
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Facile synthesis of advanced gradient polymers with sequence control using furan-protected maleimide as a comonomer

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Abstract

Gradient polymers are intriguing structures due to their unknown structure/property relationships and potential applications. Herein, advanced gradient copolymers were prepared from comonomers methyl methacrylate and furan-protected propyl maleimide (FPMI) via a reversible addition–fragmentation chain-transfer (RAFT) polymerization. During RAFT polymerization at 100 °C, propyl maleimide (PMI) was generated in situ from FPMI via a retro-Diels–Alder (rDA) reaction to undergo copolymerization in a gradient manner due to intrinsic reactivity ratios. At 40 °C, the rDA reaction for PMI release was not triggered. Many unprecedented gradient polymers, including simultaneous, hierarchical, di-block, symmetrical, and tri-block gradient copolymers, were successfully fabricated. Finally, the sequence-dependent thermal properties were explored. This work greatly enriches the library of gradient polymers and advances research into sequence-controlled polymerization.

Graphical abstract: Facile synthesis of advanced gradient polymers with sequence control using furan-protected maleimide as a comonomer

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Supplementary files

Article information


Submitted
26 Dec 2017
Accepted
09 Feb 2018
First published
12 Feb 2018

Polym. Chem., 2018,9, 1571-1576
Article type
Communication

Facile synthesis of advanced gradient polymers with sequence control using furan-protected maleimide as a comonomer

X. Gu, L. Zhang, Y. Li, W. Zhang, J. Zhu, Z. Zhang and X. Zhu, Polym. Chem., 2018, 9, 1571
DOI: 10.1039/C7PY02125A

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