Catalyst-free room-temperature self-healing polymer networks based on dynamic covalent quinone methide-secondary amine chemistry
Literature Information
Publication Date
2021-09-29
DOI
10.1039/D1PY00957E
Impact Factor
5.582
Authors
Ying Wu
View Original
Abstract
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.
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Source Journal
Polymer Chemistry
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