Chemical Modification of Commercial Fabrics by Photoinduced Grafting Tannic Acid to Produce Antioxidant and Antibacterial Textiles

Julie Fouilloux, Samir Abbad Andaloussi, Valérie Langlois, Lasâad Dammak and Estelle Renard ()
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Julie Fouilloux: Institut de Chimie et des Matériaux Paris-Est (ICMPE), Université Paris-Est (UPEC), UMR 7182, CNRS, 2–8 Rue Henri Dunant, 94320 Thiais, France
Samir Abbad Andaloussi: Laboratoire Eau, Environnement, Systèmes Urbains (LEESU), UMR-MA 102, Université Paris-Est Créteil (UPEC), 61 Avenue Général de Gaulle, 94010 Crétesil Cedex, France
Valérie Langlois: Institut de Chimie et des Matériaux Paris-Est (ICMPE), Université Paris-Est (UPEC), UMR 7182, CNRS, 2–8 Rue Henri Dunant, 94320 Thiais, France
Lasâad Dammak: Institut de Chimie et des Matériaux Paris-Est (ICMPE), Université Paris-Est (UPEC), UMR 7182, CNRS, 2–8 Rue Henri Dunant, 94320 Thiais, France
Estelle Renard: Institut de Chimie et des Matériaux Paris-Est (ICMPE), Université Paris-Est (UPEC), UMR 7182, CNRS, 2–8 Rue Henri Dunant, 94320 Thiais, France

Sustainability, 2024, vol. 16, issue 11, 1-16

Abstract: The goal of this study was to provide antioxidant and antibacterial properties to different types of fabrics via tannic acid (TA) covalent grafting. To that extent, TA was first methacrylated using glycidylmethacrylate. TA derivatives were characterized using infrared spectroscopy and 1 H NMR to assess the degree of acrylation. Antioxidant and antibacterial properties of TA were preserved after chemical modification. The coating process was studied using infrared spectroscopy (IR), weight gain, and radical scavenging activity ( RSA ) measurements. To covalently bond TA to raw polypropylene (PP) and PP coated with chitosan, photoinduced grafting was performed. The process was optimized and resulted in fabrics with enough tannic acid to provide strong antioxidant activity, with RSA ranging at 95%. The antibacterial activity was assessed against E. coli and S. aureus , the main strains responsible for nosocomial infections. Results revealed a substantial reduction of bacterial contamination for PP samples coated with chitosan, with stronger activity against E. coli, attributed to hydrophobic repellence. This study highlights the benefits of using tannic acid to obtain antioxidant and antibacterial fabrics.

Keywords: tannic acid; antioxidant; antibacterial; chitosan; glycidylmethacrylate; polypropylene fibers (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jsusta:v:16:y:2024:i:11:p:4352-:d:1399090

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