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Preparation and Properties of Lignin-containing Antibacterial Fibers by In-situ Bonding Method |
Received:July 01, 2024 |
DOI:10.11980/j.issn.0254-508X.2024.11.002 |
Key Words:cellulose lignin cationic starch Zeta potential antimicrobial property |
Fund Project:浙江科技大学科研基金(2023QN056)。 |
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Abstract:In this study, cationic starch was used to adjust the surface negative charge of lignin and bleached kraft softwood pulp fiber to achieve their in-situ binding with high efficiency, and successfully prepared lignin submicron particles-containing antibacterial fiber. The antibacterial fiber was completely prepared from renewable and degradable raw materials by simple method, with the lignin retention rate more than 92%, and the lignin deposition rate on fiber could reach up to 27.9%. The antibacterial measurement showed that antibacterial fiber had broad-spectrum antibacterial effect. When the concentration of antibacterial fiber(calculateed by Lignin)in the bacteria solution was 2 mg/mL, the antibacterial rate against Escherichia coli, Staphylococcus aureus and Staphylococcus epidermidis was 71.2%, 86.0% and 89.2%, respectively. |
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