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Updated: Jul 6, 2026
07:04
Synthesis of Strong Adhesive Hydrogel, Gelatin O-Nitrosobenzaldehyde
Published on: November 11, 2022
Strong Adhesives Mediated by Dynamic Phase-Locking.
Fanghao Dai1, Wenhao Qi2, Baohu Wu3
1State Key Laboratory of Advanced Fiber Materials, Key Lab of Sustainable Low-Carbon Technologies for Textile Dyeing and Finishing, College of Chemistry and Chemical Engineering, Ministry of Education, Donghua University, Shanghai, China.
Advanced Materials (Deerfield Beach, Fla.)
|July 4, 2026
Summary
Researchers developed novel switchable phase-locking-mediated adhesives (SPAs) offering ultrahigh adhesion up to 15 MPa. These smart adhesives utilize hydrogen bonds for reversible bonding, ideal for soft robotics and electronics.
Area of Science:
- Materials Science
- Polymer Chemistry
- Adhesion Science
Background:
- Nature-inspired reversible smart adhesives face challenges in balancing high adhesion strength with switchability.
- Emerging applications like soft robotics and wearable electronics demand advanced adhesive solutions.
Purpose of the Study:
- To introduce switchable phase-locking-mediated adhesives (SPAs) that achieve ultrahigh adhesion and reversibility.
- To elucidate the mechanism behind the enhanced adhesive performance.
Main Methods:
- Development of SPAs utilizing high-density hydrogen bonds.
- Investigation of dynamic phase-locking mediation involving interfacial mechanical locking and strain-induced phase separation.
- Analysis of adhesion lifecycle (spreading, adhering, debonding) via temperature/force-mediated phase-locking.
Main Results:
- SPAs demonstrate ultrahigh adhesion strength, reaching up to 15 MPa.
- The phase-locking mechanism effectively harmonizes interfacial adhesion and bulk cohesion.
- Optimized performance observed across the entire adhesion lifecycle.
Conclusions:
- SPAs represent a significant advancement in smart adhesive technology.
- The study provides mechanistic insights into achieving ultrahigh adhesion and switchability.
- Established design guidelines can inform future development of smart adhesives.
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