期刊
SMALL
卷 14, 期 32, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.201801527
关键词
directional water transport; fibrous membranes; moisture wicking; progressive wettability; trilayered architecture
类别
资金
- Program for Professor of Special Appointment (Eastern Scholar) at the Shanghai Institutions of Higher Learning [TP2016019]
- Shanghai Rising-Star Program [16QA1400200]
- National Natural Science Foundation of China [51473030, 51503028, 51673037]
- National Key R&D Program of China [2016YFB0303200]
- Innovation Program of Shanghai Municipal Education Commission [2017-01-07-00-03-E00024]
- Fundamental Research Funds for the Central Universities [2232016A3-03]
Directional water transport is a predominant part of functional textiles used for continuous sweat release in daily life. However, it has remained a great challenge to design such textiles which ensure continuous directional water transport and superior prevention of water penetration in the reverse direction. Here, a scalable strategy is reported to create trilayered fibrous membranes with progressive wettability by introducing a transfer layer, which can guide the directional water transport continuously and spontaneously, thus preventing the skin from being rewetted. The resulting trilayered fibrous membranes exhibit a high one-way transport index R (1021%) and a desired breakthrough pressure (16.1 cm H2O) in the reverse direction, indicating an ultrahigh directional water transport capacity. Moreover, on the basis of water transport behavior, a plausible mechanism is proposed to provide insight into the integrative and cooperative driving forces at the interfaces of trilayered hydrophobic/transfer/superhydrophilic fibrous membranes. The successful synthesis of such fascinating materials would be valuable for the design of functional textiles with directional water transport properties for personal drying applications.
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