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- Title
Biodegradable Natural Rubber Based on Novel Double Dynamic Covalent Cross-Linking.
- Authors
Jiang, Qinggeng; Gao, Yi; Liao, Lusheng; Yu, Rentong; Liao, Jianhe
- Abstract
In this paper, biodegradable epoxidized natural rubber containing cyclic carbonate groups (CNR) was prepared by the reaction between epoxidized natural rubber (ENR) and carbon dioxide. Dynamic disulfide bonds and a boronic ester structure were successfully constructed and then the cross-linking network was formed by the thermally initiated "click" reaction between thiol groups of the cross-linker and the residual epoxy groups of ENR. As a result of the exquisite double dynamic covalent structure, the material exhibits high self-healing efficiency. Moreover, by virtue of the cyclic carbonate structure of the CNR, the natural rubber was confirmed to be biodegradable according to the biodegradable measurement. To the best of our knowledge, natural rubber with biodegradable and self-healing characteristics was obtained for the first time.
- Subjects
RUBBER; CYCLIC groups; BORONIC acids; BORONIC esters; SULFHYDRYL group; CARBON dioxide; CARBONATE minerals
- Publication
Polymers (20734360), 2022, Vol 14, Issue 7, p1380
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym14071380