期刊
MACROMOLECULAR RAPID COMMUNICATIONS
卷 36, 期 5, 页码 459-464出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/marc.201400695
关键词
elastic bioinspired fibers; regulation; water collection efficiency; water-hanging ability
资金
- National Key Basic Research Program of China [2013CB933000]
- National Natural Science Foundation of China [21234001, 51203006, 21204002, 21004002]
- Doctoral Fund of Ministry of Education of China [20121102110035]
- Specialized Research Fund for the Doctoral Program of Higher Education [20111102120049]
- Aeronautical Science Foundation of China [2012ZF51065]
A special artificial spider silk is presented which is fabricated by using both an elastic polymer and a fiber, and the water collection behavior is investigated. Through exerting tension in varying degree, the length of the three-phase contact line (TCL) and the area of spindle knot can be regulated readily, which makes a great contribution to the improvement of collecting efficiency and water-hanging ability. The water-hanging ability can be predicted at a given stretching ratio according to the given expression of the TCL. As a result, liquid capture or release of distinct measure can be achieved via exerting tension. This research is helpful to design smart materials for developing applications in fogwater collection, dehumidification, high-efficiency humidity control, and controllable adhesion.
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