

FOLLOWUS
a.State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials; Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application; College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
b.Global Institute of Software Technology, Suzhou 215163, China
weizhang@suda.edu.cn (W.Z.)
zhangzhengbiao@suda.edu.cn (Z.B.Z.)
Received:24 April 2020,
Revised:2020-5-24,
Accepted:25 May 2020,
Online First:22 July 2020,
Published:01 January 2021
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Zhang, L. Q.; Gao, Y.; Huang, Z. H.; Zhang, W.; Zhou, N. C.; Zhang, Z. B.; Zhu, X. L. Controllably growing topologies in one-shot RAFT polymerization , via, macro-latent monomer strategy. Chinese J. Polym. Sci. 2021, 39, 60–69
Liu-Qiao Zhang, Yang Gao, Zhi-Hao Huang, et al. Controllably Growing Topologies in One-shot RAFT Polymerization
Zhang, L. Q.; Gao, Y.; Huang, Z. H.; Zhang, W.; Zhou, N. C.; Zhang, Z. B.; Zhu, X. L. Controllably growing topologies in one-shot RAFT polymerization , via, macro-latent monomer strategy. Chinese J. Polym. Sci. 2021, 39, 60–69 DOI: 10.1007/s10118-020-2463-1.
Liu-Qiao Zhang, Yang Gao, Zhi-Hao Huang, et al. Controllably Growing Topologies in One-shot RAFT Polymerization
The controlled and efficient synthesis of polymers with tailored topologies is challenging but important for exploring structure/property research. Herein
we proposed a concept of macro-latent monomer to achieve the controlled growth of polymer topologies. The macro-latent monomer was installed by a dynamic furan/maleimide covalent bond at the chain terminal. One-shot reversible addition-fragmentation chain transfer (RAFT) polymerization of styrene and the macro-latent monomer created controlled growth of polymer topologies. Low temperature such as 40 °C could not activate the macro-latent monomer and thus the polymerization created the homo-polystyrene. By contrast
high temperature of ~110 °C activated the macro-latent monomer
and a maleimide-terminated macro-monomer was released
via
the retro-Diels Alder reaction. This macro-monomer immediately joined the cross polymerization with styrene and thus produced the side chains. By delicately manipulating the polymerization temperature
the predetermined placement of the macro-latent monomer-derived polymeric side-chains created controllably growing topologies
including star-
π
-shaped
and density-variable grafting copolymers. This work paved a new way for creating on-demand topologies and would greatly enrich the topology synthesis.
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