Aerobic mechanochemical reversible-deactivation radical polymerization

Haoyang Feng, Zhe Chen, Lei Li, Xiaoyang Shao, Wenru Fan, Chen Wang, Lin Song, Krzysztof Matyjaszewski (), Xiangcheng Pan () and Zhenhua Wang ()
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Haoyang Feng: Northwestern Polytechnical University
Zhe Chen: Fudan University
Lei Li: Northwestern Polytechnical University
Xiaoyang Shao: Northwestern Polytechnical University
Wenru Fan: Northwestern Polytechnical University
Chen Wang: Northwestern Polytechnical University
Lin Song: Northwestern Polytechnical University
Krzysztof Matyjaszewski: Carnegie Mellon University
Xiangcheng Pan: Fudan University
Zhenhua Wang: Northwestern Polytechnical University

Nature Communications, 2024, vol. 15, issue 1, 1-9

Abstract: Abstract Polymer materials suffer mechano-oxidative deterioration or degradation in the presence of molecular oxygen and mechanical forces. In contrast, aerobic biological activities combined with mechanical stimulus promote tissue regeneration and repair in various organs. A synthetic approach in which molecular oxygen and mechanical energy synergistically initiate polymerization will afford similar robustness in polymeric materials. Herein, aerobic mechanochemical reversible-deactivation radical polymerization was developed by the design of an organic mechano-labile initiator which converts oxygen into activators in response to ball milling, enabling the reaction to proceed in the air with low-energy input, operative simplicity, and the avoidance of potentially harmful organic solvents. In addition, this approach not only complements the existing methods to access well-defined polymers but also has been successfully employed for the controlled polymerization of (meth)acrylates, styrenic monomers and solid acrylamides as well as the synthesis of polymer/perovskite hybrids without solvent at room temperature which are inaccessible by other means.

Date: 2024
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DOI: 10.1038/s41467-024-50562-z

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