High-performance healable plastics: Focusing topological structure design based on constitutional dynamic chemistry

IF 10.7 Q1 CHEMISTRY, PHYSICAL
EcoMat Pub Date : 2023-09-25 DOI:10.1002/eom2.12412
Tong Liu, Lin Wang, JianHua Xu, JiaJun Fu
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引用次数: 0

Abstract

Over the past three decades, significant efforts have been dedicated to developing polymeric materials with exciting healable ability; however, stiff and healable plastics with high glass transition temperatures (Tg) have received relatively less attention compared to their soft counterparts such as gels and elastomers due to the inherent trade-off between mechanical robustness and dynamics. High-performance plastics are irreplaceable in the fields of engineering and industry, making it a challenging yet urgent task to confer them with desired healable properties whilst maintaining high mechanical strength. In this review, we first present recent advances in the field of high-performance healable plastics based on constitutional dynamic chemistry, from the perspective of different topological structures including linear-, branched- and network types. Meanwhile, we also elaborate on various toughening strategies for existing healable plastics, mainly centered around molecular to micrometer scale modifications. Moreover, we also provide a detailed exposition of previous reports on the autonomously room-temperature self-healing plastics, which represent a groundbreaking development in the realm of advanced healable plastics. Eventually, we emphasize diverse functionalized healable plastics to illustrate their potential for practical implementation, and propose an outlook on the future development of healable plastics.

Abstract Image

高性能可愈合塑料:聚焦基于本构动态化学的拓扑结构设计
在过去的三十年里,人们做出了巨大的努力,致力于开发具有令人兴奋的可治愈性的聚合物材料;然而,由于机械稳健性和动力学之间的内在权衡,与凝胶和弹性体等软质塑料相比,具有高玻璃化转变温度(Tg)的刚性和可愈合塑料受到的关注相对较少。高性能塑料在工程和工业领域是不可替代的,因此在保持高机械强度的同时赋予它们所需的可治愈性能是一项具有挑战性但又紧迫的任务。本文首先介绍了基于本构动态化学的高性能可愈合塑料领域的最新进展,从不同拓扑结构的角度,包括线性型、支链型和网状型。同时,我们还详细阐述了现有可愈合塑料的各种增韧策略,主要集中在分子到微米尺度的改性上。此外,我们还详细介绍了以前关于自主室温自愈合塑料的报道,这代表了先进可愈合塑料领域的突破性发展。最后,我们强调了多种功能化的可治疗性塑料,以说明它们在实际应用中的潜力,并对可治疗性塑料的未来发展提出了展望。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
17.30
自引率
0.00%
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0
审稿时长
4 weeks
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