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Guar gum based biodegradable, antibacterial and electrically conductive hydrogels.
Balbir S Kaith1, Reena Sharma2, Susheel Kalia3
1Department of Chemistry, Dr. B.R. Ambedkar National Institute of Technology, Jalandhar 144 011, Punjab India.
International Journal of Biological Macromolecules
|February 10, 2015
Summary
Biodegradable, electrically conductive interpenetrating networks (IPNs) were developed using guar gum, polyacrylic acid, and polyaniline. These novel materials exhibit promising moisture retention, antibacterial properties, and biodegradation behavior for various applications.
Area of Science:
- Materials Science
- Polymer Chemistry
- Biotechnology
Background:
- Biodegradable polymers are increasingly important for sustainable materials.
- Electrically conductive polymers offer unique functionalities.
- Interpenetrating networks (IPNs) provide enhanced mechanical and chemical properties.
Purpose of the Study:
- To synthesize and characterize biodegradable, electrically conductive IPNs based on guar gum, polyacrylic acid, and polyaniline.
- To optimize the synthesis conditions for maximum swelling.
- To evaluate the moisture retention, antibacterial, and biodegradation properties of the synthesized IPNs.
Main Methods:
- Two-step aqueous polymerization using hexamine and ammonium persulfate (APS) as crosslinker-initiator.
- Characterization using Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and scanning electron microscopy (SEM).
- Evaluation of moisture retention, antibacterial activity, and biodegradation behavior.
Main Results:
- Optimized reaction conditions yielded a maximum swelling of 7470.23%.
- Successful synthesis of semi-IPNs and conversion to IPNs.
- Characterization confirmed the formation of the IPN structure.
- The synthesized materials demonstrated good moisture retention, antibacterial properties, and biodegradability.
Conclusions:
- Guar gum-polyacrylic acid-polyaniline based IPNs are successfully synthesized.
- The materials exhibit desirable properties for potential applications in various fields.
- Further research can explore specific applications based on these findings.
