Issue 5, 2020

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

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

Supplementary files

Article information

Article type
Communication
Submitted
04 Nov 2019
Accepted
06 Jan 2020
First published
06 Jan 2020

Soft Matter, 2020,16, 1137-1141

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, 16, 1137 DOI: 10.1039/C9SM02185J

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