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Progress in bio-inspired sacrificial bonds in artificial polymeric materials

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Abstract

Mimicking natural structures has been highly pursued in the fabrication of synthetic polymeric materials due to its potential in breaking the bottlenecks in mechanical properties and extending the applications of polymeric materials. Recently, it has been revealed that the energy dissipating mechanisms via sacrificial bonds are among the important factors which account for strong and tough attributes of natural materials. Great progress in synthesis of polymeric materials consisting of sacrificial bonds has been achieved. The present review aims at (1) summarizing progress in the mechanics and chemistry of sacrificial bond bearing polymers, (2) describing the mechanisms of sacrificial bonds in strengthening/toughening polymers based on studies by single-molecule force spectroscopy, chromophore incorporation and constitutive laws, (3) presenting synthesis methods for sacrificial bonding including dual-crosslink, dual/multiple-network, and sacrificial interfaces, (4) discussing the important advances in engineering sacrificial bonding into hydrogels, biomimetic structures and elastomers, and (5) suggesting future works on molecular simulation, viscoelasticity, construction of sacrificial interfaces and sacrificial bonds with high dissociative temperature. It is hoped that this review will provide guidance for further development of sacrificial bonding strategies in polymeric materials.

Graphical abstract: Progress in bio-inspired sacrificial bonds in artificial polymeric materials

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Publication details

The article was received on 18 Apr 2017 and first published on 04 Sep 2017


Article type: Review Article
DOI: 10.1039/C7CS00276A
Citation: Chem. Soc. Rev., 2017, Advance Article
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    Progress in bio-inspired sacrificial bonds in artificial polymeric materials

    X. Zhou, B. Guo, L. Zhang and G. Hu, Chem. Soc. Rev., 2017, Advance Article , DOI: 10.1039/C7CS00276A

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