4.6 Article

Microscopic strain mapping in polymers equipped with non-covalent mechanochromic motifs

Journal

MATERIALS HORIZONS
Volume 10, Issue 9, Pages 3467-3475

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d3mh00650f

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In this study, a generalisable protocol based on optical microscopy, tensile testing, and image processing is proposed for the spatially resolved interrogation of mechanical deformation at the molecular level around defects in mechanophore-containing polymers. This approach can be applied to a broad range of polymeric materials, mechanophores, and deformation scenarios.
The mechanical failure of polymers remains challenging to understand and predict, as it often involves highly localised phenomena that cannot be probed with bulk characterisation techniques. Here, we present a generalisable protocol based on optical microscopy, tensile testing, and image processing that permits the spatially resolved interrogation of mechanical deformation at the molecular level around defects in mechanophore-containing polymers. The approach can be applied to a broad range of polymeric materials, mechanophores, and deformation scenarios.

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