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Biodegradable Natural Rubber Based on Novel Double Dynamic Covalent Cross-Linking

文献类型： 外文期刊

作者： Jiang, Qinggeng 1 ; Gao, Yi 1 ; Liao, Lusheng 2 ; Yu, Rentong 1 ; Liao, Jianhe 1 ;

作者机构： 1.Hainan Univ, Sch Mat Sci & Engn, Haikou 570228, Hainan, Peoples R China

2.Chinese Acad Trop Agr Sci, Guangdong Prov Key Lab Nat Rubber Proc, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China

关键词： epoxidized natural rubber; cyclic carbonate; biodegradable; dual cross-linked network; self-healing

期刊名称：POLYMERS （ 影响因子：4.967； 五年影响因子：5.063 ）

ISSN：

年卷期： 2022 年 14 卷 7 期

页码：

收录情况： SCI

摘要： 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.

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