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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）。
Author NameAffiliationPostcode
YANG Gang Winbon Schoeller New Materials Co., Ltd., Quzhou, Zhejiang Province, 324400 324400
YU Changqing Northeast Petroleum University, Daqing, Heilongjiang Province, 163318 163318
CHEN Jianbin Winbon Schoeller New Materials Co., Ltd., Quzhou, Zhejiang Province, 324400 324400
JIAN Feifu Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 310023
ZHANG Xuejin Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 310023
ZHU Jianguo Winbon Schoeller New Materials Co., Ltd., Quzhou, Zhejiang Province, 324400 324400
MA Qingzhi* Winbon Schoeller New Materials Co., Ltd., Quzhou, Zhejiang Province, 324400
Zhejiang University of Science and Technology, Hangzhou, Zhejiang Province, 310023 		310023
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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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