化工新型材料

化工新型材料 ›› 2025, Vol. 53 ›› Issue (3) : 240-244. DOI: 10.19817/j.cnki.issn1006-3536.2025.03.018

开发与应用

耐盐耐洗涤剂抑菌海藻纤维的制备及性能研究

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Preparation and properties of salt-resistant and detergent-resistant antibacterial alginate fibers

Zhang Yilong^1,2, Ke Huizhen², Wan Zhihao³, Geng Lihong³, Xie Haijuan^1,2, Pei Luoxi^1,2, Wang Yuxuan^1,2

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Received		Published
2024-02-16		2025-03-20
Issue Date	Revised Date
2025-03-19	2024-02-16

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摘要

为了改善海藻(AL)纤维的耐盐、耐洗涤剂性和抑菌性,采用硼酸(BA)交联和七水合硫酸锌(ZnSO₄·7H₂O)后处理工艺对AL纤维进行改性,探究了不同含量BA和ZnSO₄·7H₂O对纤维形貌结构、耐盐、耐洗涤剂性能和抑菌性的影响。研究结果表明,经过BA和ZnSO₄·7H₂O改性后,AL纤维的表面沟槽结构明显减少,表面更加平滑,且耐盐、耐洗涤剂性能显著提升。随着BA含量的增加,AL纤维在NaCl溶液中的溶胀率从118.57%下降到60.34%,在无磷WOB标准洗涤剂溶液中的溶胀率从126.31%下降到63.89%。经过ZnSO₄·7H₂O后处理,Zn²⁺被吸附于SA的M单元(β-D-甘露糖醛酸)内,破坏了细菌细胞膜,使AL纤维对大肠杆菌和金黄色葡萄球菌的抑菌率大幅度提高到99.99%。制备的改性AL纤维具有良好的耐盐、耐洗涤剂性和优异的抑菌性能,有望应用于抑菌功能纺织品领域。

Abstract

In order to improve the salt resistance,detergent resistance and antibacterial properties of alginate fibers (AL),AL fibers were modified by boric acid (BA) cross-linking and zinc sulfate heptahydrate (ZnSO₄·7H₂O) post-treatment processes.The effects of different contents of BA and ZnSO₄·7H₂O on fiber morphological,salt resistance,detergent resistance and antibacterial properties were investigated,respectively.The results showed that the surface groove structure of AL fibers became unremarkable after BA and ZnSO₄·7H₂O modification,the fiber surface was smoother,and the salt and detergent resistance were also significantly improved.With the increase of BA content,the swelling rates of AL fibers decreased from 118.57% to 60.34% in NaCl solution and from 126.31% to 63.89% in phosphate-free WOB standard detergent solution,respectively.After ZnSO₄·7H₂O post-treatment,Zn²⁺ was adsorbed into the M unit of SA (β-D-glucuronate),which destroyed the bacterial cell membrane,and the antibacterial rates of AL fibers against E.coli and Staphylococcus aureus increased greatly to 99.99%.The prepared modified AL fibers presented excellent salt resistance and detergent resistance as well as antibacterial properties,which are expected to be used in the field of antibacterial functional textiles.

关键词

海藻纤维 / 交联改性 / 耐盐耐洗涤剂 / 抑菌性 / 湿法纺丝

Key words

alginate fibers / crosslinking modification / salt resistance and detergent resistance / antibacterial property / wet spinning

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耐盐耐洗涤剂抑菌海藻纤维的制备及性能研究[J]. 化工新型材料, 2025, 53(3): 240-244 DOI:10.19817/j.cnki.issn1006-3536.2025.03.018

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