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Updated: Dec 24, 2025
Synthesis of Strong Adhesive Hydrogel, Gelatin O-Nitrosobenzaldehyde
Published on: November 11, 2022
Stiff, strong, and tough hydrogels with good chemical stability
Jianyu Li1, Zhigang Suo, Joost J Vlassak
1School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02138, USA. vlassak@seas.harvard.edu.
Abstract:
Most hydrogels have poor mechanical properties, severely limiting their scope of applications. Here a hybrid hydrogel, consisting of hydrophilic and crystalline polymer networks, achieves an elastic modulus of 5 MPa, a strength of 2.5 MPa, and a fracture energy of 14 000 J m-2, while maintaining physical integrity in concentrated electrolyte solutions.
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