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

被引：20

作者：

Biewend, Michel ^{[1
]}

Michael, Philipp ^{[1
]}

Binder, Wolfgang H. ^{[1
]}

机构：

[1] Martin Luther Univ Halle Wittenberg, Fac Nat Sci Chem Phys & Math 2, Inst Chem, Div Tech & Macromol Chem,Macromol Chem, Von Danckelmann Pl 4, D-06120 Halle, Germany

来源：

SOFT MATTER | 2020年 / 16卷 / 05期

关键词：

MOLECULAR-WEIGHT; MECHANOPHORE; FORCE; CATALYST; SCISSION; BONDS;

D O I：

10.1039/c9sm02185j

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页码：1137 / 1141

页数：5

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