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Article

Synthesis of a Cellulose-Co-AMPS Hydrogel for Personal Hygiene Applications Using Cellulose Extracted from Corncobs

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Biorefinery Research Center, Ethiopian Institute of Textile and Fashion Technology, Bahir Dar University, Bahir Dar P.O. Box 1037, Ethiopia
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Textile Chemistry Research and Innovation Center, Ethiopian Institute of Textile and Fashion Technology, Bahir Dar University, Bahir Dar P.O. Box 1037, Ethiopia
3
Textile Production Research and Innovation Center, Ethiopian Institute of Textile and Fashion Technology, Bahir Dar University, Bahir Dar P.O. Box 1037, Ethiopia
*
Author to whom correspondence should be addressed.
Academic Editor: Esmaiel Jabbari
Gels 2021, 7(4), 236; https://doi.org/10.3390/gels7040236
Received: 27 October 2021 / Revised: 20 November 2021 / Accepted: 22 November 2021 / Published: 27 November 2021
(This article belongs to the Collection Hydrogel in Tissue Engineering and Regenerative Medicine)
Cellulose-based hydrogels were prepared by the extraction of cellulose from corncobs after the removal of lignin and hemicellulose with the use of alkali–acid treatment. Acrylate-based hydrogels presently available for personal hygiene uses are not biodegradable. In this study, a biodegradable cellulose-co-AMPS personal hygiene hydrogel was synthesized. The hydrogel was synthesized by graft co-polymerization of 2-acrylamido2-methyl propane sulfonic acid onto corncob cellulose by using potassium persulfate (KPS) as an initiator and borax decahydrate (Na2B4O7·10H2O) as a cross-linking agent. Structural and functional characteristics of the hydrogel such as swelling measurements, antimicrobial tests, FTIR spectra and thermogravimetric analysis were done. The hydrogel showed an average swelling ratio of 279.6 g/g to water and 83.3 g/g to a urine solution with a 97% gel fraction. The hydrogel displayed no clear inhibition zone and did not support the growth of bacteria, Gram-positive or -negative. The FT-IR spectra of the hydrogel confirmed the grafting of an AMPS co-polymer onto cellulose chains. The thermal properties of the hydrogel showed three-step degradation, with a complete degradation temperature of 575 °C. View Full-Text
Keywords: corncobs; cellulose; hydrogel; swelling ratio; personal hygiene corncobs; cellulose; hydrogel; swelling ratio; personal hygiene
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MDPI and ACS Style

Enawgaw, H.; Tesfaye, T.; Yilma, K.T.; Limeneh, D.Y. Synthesis of a Cellulose-Co-AMPS Hydrogel for Personal Hygiene Applications Using Cellulose Extracted from Corncobs. Gels 2021, 7, 236. https://doi.org/10.3390/gels7040236

AMA Style

Enawgaw H, Tesfaye T, Yilma KT, Limeneh DY. Synthesis of a Cellulose-Co-AMPS Hydrogel for Personal Hygiene Applications Using Cellulose Extracted from Corncobs. Gels. 2021; 7(4):236. https://doi.org/10.3390/gels7040236

Chicago/Turabian Style

Enawgaw, Haymanot, Tamrat Tesfaye, Kelem Tiessasie Yilma, and Derseh Yilie Limeneh. 2021. "Synthesis of a Cellulose-Co-AMPS Hydrogel for Personal Hygiene Applications Using Cellulose Extracted from Corncobs" Gels 7, no. 4: 236. https://doi.org/10.3390/gels7040236

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