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- Title
In-situ coprecipitation constructing the eco-friendly, durable and multifunctional nano-coating for cotton fabrics: smoke suppression and antibacteria.
- Authors
Cui, Jing; Tang, Song-Yu; Wang, Tian-Ci; Song, Xiang; Shao, Zhu-Bao; Wang, Yu-Zhong
- Abstract
Traditional treatment of cotton fabrics by multifunctional nanoparticles usually exhibits easy aggregation and poor durability. Here, we utilize dopamine as a bio-based binder for cotton and one of organic ligands to construct highly uniform dispersion of monodispersed zeolitic imidazolate framework-8 (ZIF-8) on the surface of cotton fibers (PZIF-8@Cotton) via in-situ coprecipitation technology at a mild synthesizing process. The resulting PZIF-8@Cotton displays evidently fire safety, especially, 77.9% smoke production is suppressed at 4 wt% of PZIF-8 coating loading. More importantly, owing to the advanced pore feature of PZIF-8 and interfacial force between PZIF-8 and cotton, PZIF-8@Cotton presents excellent durability. After 50 times of washing, the Zn content of PZIF-8@Cotton is rarely reduced (from 1.28 to 1.21%), and the antibacterial properties of Staphylococcus aureus and Escherichia coli still reach to 99.99% and 98.24%, respectively. Moreover, the multifunctional treatment does not deteriorate the mechanical performance of cotton. While the UV resistance is largely enhanced, and the comfort of the PZIF-8@Cotton is well maintained due to the little change in the hydrophilicity and air permeability. This extremely simple method provides an ideal strategy to obtain multifunctional and durable cotton fabrics.
- Subjects
COTTON textiles; COTTON; COTTON fibers; SMOKE; FIRE prevention; ACTINOBACTERIA; STAPHYLOCOCCUS aureus
- Publication
Cellulose, 2023, Vol 30, Issue 1, p625
- ISSN
0969-0239
- Publication type
Article
- DOI
10.1007/s10570-022-04914-x