Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19948
Title: Fabricating superhydrophilic wool fabrics
Authors: Chen, D
Tan, L
Liu, H
Hu, J
Li, Y 
Tang, F
Issue Date: 2010
Publisher: Amer Chemical Soc
Source: Langmuir, 2010, v. 26, no. 7, p. 4675-4679 How to cite?
Journal: Langmuir 
Abstract: A simple method for fabricating environmentally stable superhydrophilic wool fabrics is reported here. An ultrathin silica layer coated on the wool altered both the surface roughness and the surface energy of the fiber and endowed the wool fabrics with excellent water absorption. The process of coating silica sols was dependent on an acid solution of low pH, which influenced the electrostatic interactions between nanoparticles and wool fibers. The morphology and composition of silica-sol-coated wool fabrics were characterized by a combination of SEM, TEM, EDX, FTIR, and XPS measurements. The possible mechanism and size effect of silica nanoparticles on the hydrophilic property of wool fabric were discussed. The washing fastness of the superhydrophilic wool fabrics in perchlorethylene and water was also evaluated. This study shows that wool fabrics modified by optical transparence, chemical stability, and nontoxic silica sols are promising in constructing smart textiles.
URI: http://hdl.handle.net/10397/19948
DOI: 10.1021/la903562h
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