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One-step synthesis of polymethylhydrosiloxane-silver nanocomposite multifunctional superhydrophobic cotton fabrics

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Abstract

Fabricating multifunctional superhydrophobic cotton fabric via a simple strategy is highly desirable for various applications but it is rare. Herein, we proposed a one step in-situ redox reaction strategy based on polymethylhydrosiloxane (PMHS) and [Ag(NH3)2]+ ions to endow cotton fabrics with both superhydrophobic and antibacterial properties. The obtained cotton fabrics show high repellency against common liquids like green tea, cola, milk, orange juice, coffee, NaCl, HCl, and NaOH solution, and possess significant antibacterial activity against both E. coli and S. aureus due to generated Ag nanoparticles. Even subjected to laundering, rubbing, acidic (pH 1)/alkaline (pH 13) solution attack, freezing at liquid nitrogen, or heating treatment (120 °C), the superhydrophobic and antibacterial properties of modified cotton fabrics can remain stable without being damaged, which is highly desirable for long-lasting anti-fouling, oil/water separation, and antibacterial applications. Considering the universality, simplicity, and scalability of the surface functionalization method, this proposal to develop novel multifunctional cotton fabrics with robust water repellent and antibacterial properties has promising and versatile applications in wide areas.

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Acknowledgments

This work was supported by National Natural Science Foundation of China (No. 52173062, 52203098), Key research and development plan of Hubei Province (grant number (2022BAD015, 2022BAD033), Natural Science Foundation of Hubei Province (2022CFC073), Science and Technology Bureau of Xiantao (2020DGC003), Foundation of Science Research Program from the Hubei Provincial Department of Education (grant number Q20221707) and State Key Laboratory of New Textile Materials and Advanced Processing Technologies (grant number FZ2020007).

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Yilun Wang and Chenshan Dong provided raw data and prepared Figs. 1, 2, 3, 4, and 5, Dongdong Ma and Hongman Xu prepared Fig. 6 and Table 1, Ruquan Zhang was responsible for project management, Xin Liu and Hongjun Yang were responsible for experimental supervision and leadership, Bin Shang wrote the main manuscript text, Jingjing Huang conducted a pre-experiment, Shaojin Gu designed of methodology, All authors reviewed the manuscript.

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Correspondence to Bin Shang, Jingjing Huang or Shaojin Gu.

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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Wang, Y., Dong, C., Ma, D. et al. One-step synthesis of polymethylhydrosiloxane-silver nanocomposite multifunctional superhydrophobic cotton fabrics. Cellulose 30, 6655–6666 (2023). https://doi.org/10.1007/s10570-023-05245-1

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