一种高强韧和快速自恢复的抗溶胀水凝胶及其作为应变传感器的应用
By preparing hydrogels containing carboxyl groups and benzene rings, polymerizable monomers, multivalent ionic salts, and photoinitiators, a hierarchical heterostructure with π-π stacking and cation-π interactions is formed, which solves the problems of insufficient mechanical properties and self-healing ability of hydrogels in underwater environments, and achieves high strength and toughness, rapid self-healing and excellent strain sensing performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANGHAI JIAOTONG UNIV
- Filing Date
- 2024-11-07
- Publication Date
- 2026-07-17
AI Technical Summary
Existing hydrogel strain sensors have low mechanical properties in underwater environments and insufficient self-recovery capabilities. Swelling behavior leads to a decrease in sensing reliability.
A high-strength, tough, and rapidly self-healing anti-swelling hydrogel was prepared by polymerizing a polymerizable monomer containing carboxyl and benzene rings, a multivalent ionic salt, and a photoinitiator in dimethyl sulfoxide to form a hierarchical heterostructure with π-π stacking and cation-π interactions. Combined with COO--Mn+ metal coordination bonds, a rigid-flexible hydrogel network was formed.
It significantly enhances the mechanical strength and toughness of the hydrogel, improves its anti-swelling ability and self-healing properties, endows the hydrogel with excellent strain sensing performance, and realizes underwater information transmission.
Smart Images
Figure CN119264320B_ABST