Visualization of the slide-ring effect: a study on movable cross-linking points using mechanochromism

Chemical Communications : Chem Comm
Yi LuToshikazu Takata

Abstract

To evaluate the 'slide-ring' effect in a rotaxane cross-linked network, we incorporated mechanochromophores into static and rotaxane cross-linking points and compared the mechanochromisms exhibited by the obtained polymers. This novel strategy reveals a molecular-level phenomenon with visible color changes as well as enabling quantitative electron paramagnetic resonance measurements.

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Methods Mentioned

BETA
small-angle neutron scattering
X-ray
atomic force microscopy
electron paramagnetic resonance
differential scanning calorimetry

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