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基于两性离子多胺整理的具有可调抗菌活性的防污纺织品。

Nonfouling textiles with tunable antimicrobial activity based on a zwitterionic polyamine finish.

作者信息

Timma Lisa Maria, Lewald Laura, Gier Franziska, Homey Lisa, Neyer Christian, Nickisch-Hartfiel Anna, Gutmann Jochen Stefan, Oberthür Markus

机构信息

German Textile Research Centre North-West (Deutsches Textilforschungszentrum Nord-West) gGmbH 47798 Krefeld Germany

Faculty of Chemistry, University Duisburg-Essen 45141 Essen Germany

出版信息

RSC Adv. 2019 Mar 28;9(17):9783-9791. doi: 10.1039/c8ra09975h. eCollection 2019 Mar 22.

DOI:10.1039/c8ra09975h
PMID:35520694
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9062160/
Abstract

Antimicrobial finishes for textiles and other surfaces that act without the release of biocides to the environment (contact biocides) or by inhibiting microbial adhesion (antifouling action) are viewed as promising and environmentally friendly alternatives to current products. We have used polyvinylamine polymers that were functionalized with zwitterionic sulfobetaine side chains with different degrees of substitution (DS) for the finishing of poly(ethylene terephthalate) (PET) and cotton fabrics in a water-based pad-dry-cure process. After washing with different surfactants, a stable finish with total polymer add-ons of 0.2-0.5 wt% was achieved. The finished textiles efficiently inhibited the adhesion of proteins and bacteria to the surface even with a small DS as low as 20%. Textiles finished with polymers with a low DS also showed significant antibacterial activity, most notably against . Accordingly, textile finishes with either pure antiadhesive (DS > 50%) or combined antiadhesive and antibacterial properties (DS = 20-50%) are accessible using this approach.

摘要

用于纺织品和其他表面的抗菌整理剂，其作用方式为不向环境释放杀生剂（接触型杀生剂）或通过抑制微生物粘附（防污作用），被视为现有产品的有前景且环保的替代品。我们使用了用不同取代度（DS）的两性离子磺基甜菜碱侧链功能化的聚乙烯胺聚合物，通过水基浸轧-烘干-焙烘工艺对聚对苯二甲酸乙二酯（PET）和棉织物进行整理。用不同表面活性剂洗涤后，实现了总聚合物添加量为0.2-0.5 wt%的稳定整理效果。即使DS低至20%，整理后的纺织品也能有效抑制蛋白质和细菌在表面的粘附。用低DS聚合物整理的纺织品也表现出显著的抗菌活性，最显著的是对……。因此，使用这种方法可以获得具有纯抗粘附性（DS>50%）或兼具抗粘附和抗菌性能（DS=20-50%）的纺织品整理剂。

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