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Self-Healable Hydrogels from Vegetable Oil: Preparation, Mechanism, and Applications
Chandrapaul Mukherjee1, Avik Ghosh2, Tamilarasi M1
1Polymer Science & Technology Unit, Advanced Materials Laboratory, CSIR-Central Leather Research Institute (CSIR-CLRI) Sardar Patel Road, Adyar, Chennai 600 020, India.
Biomacromolecules
|October 22, 2024
Summary
A novel hydrogel from modified castor oil offers a sustainable, cost-effective alternative to conventional biomaterials. This renewable oil-based hydrogel demonstrates excellent self-healing and dye adsorption properties.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biomaterials Engineering
Background:
- Conventional hydrogels face limitations like high cost and poor mechanical properties.
- Modified castor oil presents a renewable and economical resource for novel material development.
Purpose of the Study:
- To develop a novel, cost-effective, and sustainable hydrogel from modified castor oil.
- To investigate the properties and potential applications of this new oil-based hydrogel.
Main Methods:
- Synthesis of castor oil-based oligomer (CG) via ring-opening polymerization.
- Gelation studies with various metal ions, focusing on Cu2+.
- Characterization using density functional theory, atoms in molecules analysis, and rheology.
Main Results:
- The oligomer selectively formed a gel with Cu2+ ions.
- The hydrogel demonstrated 94% self-healing efficiency.
- The material showed effective recyclable adsorption of rhodamine B dye (73-90% efficiency).
Conclusions:
- Modified castor oil is a viable precursor for creating advanced hydrogels.
- The developed hydrogel offers superior self-healing and adsorption capabilities.
- This work presents a sustainable and cost-effective alternative to traditional hydrogels for diverse applications.
