Chitosan-based double cross-linked ionic hydrogels as a strain and pressure sensor with broad strain-range and high sensitivity
Xuemei Li, Zhiwei Liu, Yongri Liang, Li‐Min Wang, Ying Dan Liu
Abstract
An ionic conductive hydrogel P(AAm- co -AA)/CS-Fe 3+ with double cross-linked networks was prepared. The hydrogel as a flexible sensor exhibited excellent mechanical properties, self-recovery ability, sensitive sensing properties, and biosecurity.
Topics & Concepts
Self-healing hydrogelsMaterials scienceChitosanPolymerGauge factorAcrylic acidStrain (injury)Polymer chemistryCopolymerIonic strengthToughnessPolymerizationUltimate tensile strengthComposite materialChemical engineeringAqueous solutionChemistryOrganic chemistryFabricationAlternative medicineEngineeringMedicinePathologyInternal medicineAdvanced Sensor and Energy Harvesting MaterialsConducting polymers and applicationsDielectric materials and actuators