Catalyst-free room-temperature self-healing polymer networks based on dynamic covalent quinone methide-secondary amine chemistry

文献情報

出版日 2021-09-29

DOI 10.1039/D1PY00957E

インパクトファクター 5.582

著者

Ying Wu

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要旨

An aza-Michael addition between 2,6-di-t-butyl-7-phenyl-p-quinone methide and secondary amine was demonstrated to show a dynamic covalent reaction property under ambient conditions requiring no external stimuli. Based on this dynamic covalent chemistry, a novel dynamic covalent cross-linked polyurethane material was developed to achieve wonderful self-healing ability under ambient conditions without external stimuli. In addition, this cross-linked polyurethane behaved with excellent catalyst-free recyclability and reprocessability at a mild temperature of 60 °C.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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Catalyst-free room-temperature self-healing polymer networks based on dynamic covalent quinone methide-secondary amine chemistry

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