Highly efficient and durable antibacterial cotton fabrics finished with zwitterionic polysulfobetaine by one-step eco-fr
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ORIGINAL RESEARCH
Highly efficient and durable antibacterial cotton fabrics finished with zwitterionic polysulfobetaine by one-step ecofriendly strategy Simeng Gao . Jing Su . Wencong Wang . Jiajia Fu . Hongbo Wang
Received: 24 March 2020 / Accepted: 15 October 2020 Ó Springer Nature B.V. 2020
Abstract In this work, a novel formulation of polysulfobetaine, poly (sulfobetaine-acrylamide-allyl glycidyl ether) (PSPB-AM-AGE), was synthesized and grafted onto cotton. The synthesis of PSPB-AMAGE and its grafting on the cotton fabrics were confirmed by FTIR, XPS and SEM. The PSPB-AMAGE treated cotton fabrics exhibited a high level of antibacterial rate against both Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), which are 95.18% and 98.74%, separately, as well as a good laundry durability. The mechanical tests showed that the essential cotton properties can be largely preserved in the treatment process. Moreover, Electronic supplementary material The online version of this article (https://doi.org/10.1007/s10570-020-03542-7) contains supplementary material, which is available to authorized users. S. Gao J. Su (&) W. Wang J. Fu H. Wang (&) Jiangsu Engineering Technology Research Centre of Functional Textiles, Jiangnan University, Wuxi, China e-mail: [email protected] H. Wang e-mail: [email protected] S. Gao e-mail: [email protected] W. Wang e-mail: [email protected] S. Gao J. Su W. Wang J. Fu H. Wang Key Laboratory of Eco-Textiles, Ministry of Education, Jiangnan University, Wuxi, China
the hydrophilicity, air and water permeability of the cotton were improved after treated with PSPB-AMAGE, indicating a better wearing comfort performance. The whiteness of the cotton fabrics did not decrease significantly. The safety evaluation demonstrated that PSPB-AM-AGE had no cytotoxicity. The developed antibacterial finishing introduced a new method to apply polysulfobetaine interfaced on cellulose, providing great potential for biomedical fabric application. Keywords Betaine Polymerization Cotton fabric Antibacterial finishing
Introduction Cotton fabrics have been widely used in modern societies as a natural fiber due to their comfort, breathability, and biocompatibility. However, it can absorb secretions of skin (Chen 2016) owing to the porous structure and good moisture absorption (Zhang 2018), which provides suitable conditions such as nutrient sources, appropriate temperature, and humidity for the growth of microorganisms (Fei 2018; Lu 2019). The rapid growth of these microorganisms can be extremely harmful to public health, since pathogenic bacterial lead to potential cross-linking infections (He 2017) (Si 2018) (Hanczvikkel 2019) (Mitra
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Cellulose
2019). Therefore, to prevent bacterial infections of the human body, it is of great importance to developing antibacterial cotton fabrics. Antibacterial finishing agents play a pivotal role in constructing antibacterial textile surfaces, including inorganic, organic, and
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