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Updated: Feb 10, 2026
10:39
Heterogeneous Removal of Water-Soluble Ruthenium Olefin Metathesis Catalyst from Aqueous Media Via Host-Guest Interaction
Published on: August 23, 2018
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Self-healable tough supramolecular hydrogels crosslinked by poly-cyclodextrin through host-guest interaction
Tingting Cai1, Shuangjun Huo1, Tao Wang1
1Research Institute of Materials Science, South China University of Technology, Guangzhou, 510640, China.
Carbohydrate Polymers
|May 19, 2018
Summary
Researchers developed a novel supramolecular hydrogel using polycyclodextrin (PCD) and adamantane-containing monomers. This advanced material exhibits remarkable self-healing and shape memory capabilities for diverse applications.
Area of Science:
- Materials Science
- Polymer Chemistry
Background:
- Supramolecular hydrogels offer unique properties due to reversible crosslinking.
- Improving self-healing and shape memory in hydrogels remains a key research area.
Purpose of the Study:
- To synthesize a novel supramolecular hydrogel with enhanced self-healing and shape memory properties.
- To investigate the role of polycyclodextrin (PCD) as a physical cross-linker.
Main Methods:
- In-situ copolymerization of N-adamantylacrylamide (Ad-AAm) and acrylic acid (AAc) in PCD aqueous solution.
- Characterization of hydrogel mechanical properties, self-healing efficiency, and shape memory behavior.
Main Results:
- The synthesized PCD-Ad hydrogels demonstrated high strength (40 kPa) and breaking strain (600%).
- Excellent self-healing was achieved (>70% healing in 120 min) at 70°C and humid conditions.
- Shape memory behavior was successfully realized through a reversible crosslinked network.
Conclusions:
- Polyfunctional PCD crosslinking significantly enhances supramolecular hydrogel self-healing efficiency.
- The developed hydrogels show promise for applications in self-healing coatings, biomedical materials, and soft actuators.
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