Strain-correlated mechanochromism in different polyurethanes featuring a supramolecular mechanophore
Hanna Traeger, Yoshimitsu Sagara, José Augusto Berrocal, Stephen Schrettl, Christoph Weder
Abstract
Polyurethanes with different mechanical properties are equipped with a supramolecular, loop-forming mechanophore. The mechanochromic response reliably correlates with the strain and is more intense in polymers with a higher strength and stiffness.
Topics & Concepts
Strain (injury)Supramolecular chemistryMaterials sciencePolymerStiffnessPolymer chemistrySelf-healingComposite materialChemistryOrganic chemistryMoleculePathologyInternal medicineAlternative medicineMedicineForce Microscopy Techniques and ApplicationsMechanical and Optical ResonatorsLipid Membrane Structure and Behavior