Generic Recycling Strategy to Improve Robustness of Recycled Rubbers through Bioinspired Multiphase Network,ACS Sustainable Chemistry & Engineering

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Generic Recycling Strategy to Improve Robustness of Recycled Rubbers through Bioinspired Multiphase Network
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2022-11-08 , DOI: 10.1021/acssuschemeng.2c05436
Yu Zhou ₁ , Yu-Ting Huang ₁ , Gui-Xiang Liu ₁ , Shuangquan Liao _{1,

2} , Ming-Chao Luo _{1,

2}

Affiliation

Recycling of rubbers is extraordinarily important for the sustainable development of the rubber industry. However, the traditional rubber recycling processes do not only deteriorate the properties of recycled rubbers but also bring environmental pollution. Inspired by the structure of mussel byssus, our group designs bioinspired multiphase network to improve the robustness of recycled rubbers. Through increasing the content of dynamic S–S cross-links, we improve the interface interaction between isoprene rubber (IR) and waste rubber (WR). Further, the combination of IR with WR forms a dense network domain (DND) and a sparse network domain (SND), constructing the bioinspired multiphase cross-linking network. Such a multiphase network contributes to stress transfer. Upon stretching, the preferential rupture of DND improves the toughness through energy dissipation. Compared with the previous works, our designed recycled rubbers exhibit superior properties. This work presents a simple generic method to increase the robustness of recycled rubbers through bioinspired multiphase network.

中文翻译：

通过 Bioinspired 多相网络提高再生橡胶稳健性的通用回收策略

橡胶的回收利用对于橡胶工业的可持续发展尤为重要。然而，传统的橡胶回收工艺不仅会降低回收橡胶的性能，还会带来环境污染。受贻贝足丝结构的启发，我们的团队设计了仿生多相网络，以提高再生橡胶的坚固性。通过增加动态 S-S 交联的含量，我们改善了异戊二烯橡胶 (IR) 和废橡胶 (WR) 之间的界面相互作用。此外，IR 与 WR 的结合形成了密集网络域 (DND) 和稀疏网络域 (SND)，构建了仿生多相交联网络。这种多相网络有助于应力传递。拉伸后，DND的优先断裂通过能量耗散提高了韧性。与之前的作品相比，我们设计的再生橡胶表现出更优越的性能。这项工作提出了一种简单的通用方法，通过仿生多相网络提高再生橡胶的稳健性。

更新日期：2022-11-08

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