Anti-ultraviolet and physical properties of woolen fabrics cured with citric acid and TiO2/chitosan

被引：0
|
作者：
Hsieh, Sung-Huang [1 ]
Zhang, Fang-Ru [1 ]
Li, Hui-Si [1 ]
机构：
[1] Department of Polymer Materials, Kun Shan University of Technology, Tainan 71003, Taiwan
来源：
Journal of Applied Polymer Science | 2006年 / 100卷 / 06期
关键词：
This experiment is to research the chemical compositions of the crosslink of the woolen; oxidized with H2O2 of various concentrations and temperatures; cured with the citric acid and TiO 2/chitosan liquid of different proportions; and then observed by means of Fourier Transfer Infrared Spectrometer (FT-IR); Scanning Electronic Microscope (SEM); Energy Dispersive Spectrometer (EDS); and Thermo-Gravity Analyzer (TGA). Its antishrinkage; antimicrobes; antiultraviolet; strength; elasticity; softness; and yellowness are also investigated to study the changes in its physical properties. From the result; we can see; under the SEM; the sign of disappearance of woolen scales owing to the destruction by H 2O2 oxidization; the more H2O2 and its oxidization temperature; the more serious their destruction. The phenomenon of crosslink is not obvious after oxidization and curing treatment with TiO 2/chitosan; but it somehow apparently happens to the woolen surface. Because TiO2/chitosan does not intertwine with the woolen well; which has few effects of heat; the woolen shrinks less with more H2O 2 and oxidization temperatures. Its antishrinkage is better. But the more wash; the more shrinkage. However; TiO2 covered with chitosan catches less sunlight; and thus cannot suppress or even kill microbes. The woolen processed with nanometer TiO2 enhances the effect of antiultraviolet; which is better as the density of TiO2 increases. The strength and elasticity of the woolen are worse for more H2O 2 and the higher temperature destroy scales and make the woolen coarse; yellow; and less soft. © 2006 Wiley Periodicals; Inc;
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页码：4311 / 4319
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