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One-way water transport and enhanced heating and cooling for cotton fabrics

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Abstract

Drying and cooling textiles which can efficiently manage the temperature and moisture of the skin microclimate, are required to staying human physiological and psychological comfort. However, the porous structure and inherent low thermal conductivity of textiles which impair the water transport and heat transfer capacities, result in a longstanding choke point for the design of efficient drying and cooling textiles. Here, inspired by the river diversion, a transpiration textile based on the hierarchical network of cotton, bi-directional transport by discontinuous hydrophobic pattern and high thermal conductivity of nano-ZnO, is demonstrated for highly efficient personal drying and cooling. This collaborative strategy which integrates the desired one-way water transport property by asymmetric wettability and discontinuous hydrophobic pattern, increased thermal conductivity, and accelerated transpiration by nano-ZnO, offers cotton fabric with distinct advantages, including a rapid water evaporation rate (0.36 g h−1), desired accumulative one-way transport index of 550.83%, the good thermal conductivity of 0.105 W m−1 K−1 and contact transient cool feeling. Overall, the successful fabrication of this drying and cooling textile satisfies the growing demand for a comfortable microclimate to the human body.

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All data generated or analyzed during this study are included in this article. The database used and/or analyses during the current study are available from the corresponding author on reasonable request.

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Funding

This work was supported by [the National Natural Science Foundation of China] (No. 22176031).

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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by [Hong Zhao], [Zhuizhui Fan] and [Changlin Jia]. The first draft of the manuscript was written by [Hong Zhao] and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to Zaisheng Cai.

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Zhao, H., Fan, Z., Jia, C. et al. One-way water transport and enhanced heating and cooling for cotton fabrics. Cellulose 30, 3351–3361 (2023). https://doi.org/10.1007/s10570-023-05073-3

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  • DOI: https://doi.org/10.1007/s10570-023-05073-3

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