Detection of stress in polymers: mechanochemical activation of CuAAC click reactions in poly(urethane) networks.
basic_science · Level V
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- Record sourced from PubMed, PMID 31938798.
- Also identified by DOI 10.1039/c9sm02185j.
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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.