Preparation of Antibacterial Waterborne Polyurethane/silver Nanocomposite

被引：21
|
作者：
Wu, Chein-I [1 ]
Huang, Jiann-Wen [2 ]
Wen, Ya-Lan [1 ,4 ]
Wen, Shaw-Bing [1 ,5 ]
Shen, Yun-Hwei [1 ]
Yeh, Mou-Yung [3 ,6 ]
机构：
[1] Natl Cheng Kung Univ, Dept Resources Engn, Tainan 70101, Taiwan
[2] Tainan Womans Coll Arts & Technol, Yung Kang 710, Taiwan
[3] Natl Cheng Kung Univ, Dept Chem, Tainan 70101, Taiwan
[4] Meiho Inst Technol, Dept Nursing, Neipu Hsiang 912, Pingtung, Taiwan
[5] Meiho Inst Technol, Ctr Gen Educ, Neipu Hsiang 912, Pingtung, Taiwan
[6] Natl Cheng Kung Univ, Sastainable Enoirionment Res Ctr, Tainan 70101, Taiwan
来源：
JOURNAL OF THE CHINESE CHEMICAL SOCIETY | 2009年 / 56卷 / 06期
关键词：
Waterborne polyurethane; WPU/Ag nanocomposites; Antibiotic ability; Ag particle;
D O I：
10.1002/jccs.200900177
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Stable aqueous dispersions of silver (Ag) nanoparticles were prepared by reducing silver nitrate solutions with sodium borohydride (NaBH4) in the presence of waterborne polyurethane as a stabilizing agent. WPU/Ag nanocomposites were obtained after evaporating water. Transmission electron microscope (TEM) shows nanoscale Ag particles are well dispersed in WPU matrix at a lower concentration, while particles exhibit a little aggregation at a higher concentration. UV-visible spectra, X-ray powder diffraction, and energy dispersive X-ray spectrometer (EDS) confirm the existence of Ag particle in WPU matrix. The WPU/Ag composite films show good antibiotic ability.
引用
收藏
页码：1231 / 1235
页数：5
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