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Detection of stress in polymers: mechanochemical activation of CuAAC click reactions in poly(urethane) networks

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Abstract

We report on copper(I)-bis(N-heterocyclic carbene)s (NHC) for quantitative stress-sensing, embedded within polyurethane networks, triggering a fluorogenic copper(I) azide alkyne cycloaddition (CuAAC) of 8-azido-2-naphtol and 3-hydroxy phenylacetylene. A completely transparent, force responsive poly(urethane) material is generated, allowing a quantification of the applied stress.

Graphical abstract: Detection of stress in polymers: mechanochemical activation of CuAAC click reactions in poly(urethane) networks

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Article information


Submitted
04 Nov 2019
Accepted
06 Jan 2020
First published
06 Jan 2020

Soft Matter, 2020, Advance Article
Article type
Communication

Detection of stress in polymers: mechanochemical activation of CuAAC click reactions in poly(urethane) networks

M. Biewend, P. Michael and W. H. Binder, Soft Matter, 2020, Advance Article , DOI: 10.1039/C9SM02185J

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