Yu Jinping, Wang Huan, Xu Yang, Wemegah Boutrous, Lan Yang, Li Jing, Yang Li, Chang Guanjun
State Key Laboratory of Environment-Friendly Energy Materials and School of Materials and Chemistry, Southwest University of Science and Technology, Mianyang, 621010, P. R. China.
Centre for Nature-Inspired Engineering Department of Chemical Engineering, University College London, London, WC1E 7JE, UK.
Adv Sci (Weinh). 2025 Jul;12(27):e2501617. doi: 10.1002/advs.202501617. Epub 2025 May 8.
Thermosets present significant recycling challenges due to irreversible chemical crosslinking, resulting in resource waste and environmental pollution. This paper introduces a new strategy for designing thermosets with excellent recycling properties driven by Bio-Tailoring technology, achieving amazing green sustainable development. These thermosets are a class of infusible and insoluble polymers owing to chemical crosslinking. The indole groups in the cross-linked network can be accurately identified and tailored by microorganisms, giving rise to the cross-linked network being tailored into new linear polymers and small molecule segments, named the Bio-Tailoring technology. Linear polymers can be used as a new plastic packaging material that involves high transparency and appreciable mechanical properties. Meanwhile, the cross-linked small molecule moiety is a fluorescent functional unit with a unique push-pull electronic structure that leads to color-changing under external stimulation and can be applied to anti-counterfeiting. Overall, this strategy provides an innovative solution for the sustainable recycling of thermosets and opens a new path for the environmental transformation of the plastics industry.
由于不可逆的化学交联，热固性材料面临着重大的回收利用挑战，这导致了资源浪费和环境污染。本文介绍了一种由生物定制技术驱动的、设计具有优异回收性能的热固性材料的新策略，实现了令人惊叹的绿色可持续发展。这些热固性材料是一类由于化学交联而不熔不溶的聚合物。交联网络中的吲哚基团可以被微生物精确识别和定制，从而使交联网络被定制成新的线性聚合物和小分子片段，这被称为生物定制技术。线性聚合物可以用作一种新型塑料包装材料，具有高透明度和可观的机械性能。同时，交联的小分子部分是一种具有独特推挽电子结构的荧光功能单元，在外部刺激下会发生颜色变化，可应用于防伪。总体而言，该策略为热固性材料的可持续回收提供了一种创新解决方案，并为塑料行业的环境转型开辟了一条新道路。
