Functional finishing of cotton fabrics using zinc oxide-soluble starch nanocomposites

被引：371

作者：

Vigneshwaran, Nadanathangam ^{[1
]}

Kumar, Sampath ^{[1
]}

Kathe, A. A. ^{[1
]}

Varadarajan, P. V. ^{[1
]}

Prasad, Virendra ^{[1
]}

机构：

[1] Cent Inst Res Cotton Technol, Nanotechnol Res Grp, Bombay 400019, Maharashtra, India

来源：

NANOTECHNOLOGY | 2006年 / 17卷 / 20期

关键词：

D O I：

10.1088/0957-4484/17/20/008

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Zinc oxide-soluble starch nanocomposites (nano-ZnO) synthesized using water as a solvent and soluble starch as a stabilizer is impregnated onto cotton fabrics to impart antibacterial and UV-protection functions. Nano-ZnO synthesized by reacting zinc nitrate with sodium hydroxide in the presence of soluble starch absorbed strongly at 361 nm due to the quantum confinement effect. The average size of ZnO nanoparticles is estimated to be 38 +/- 3 nm using a transmission electron microscope (TEM); this was confirmed by x-ray diffraction analysis and the effective mass approximation method. The starch content in synthesized nano-ZnO was estimated to be 37.57% using thermo-gravimetric analysis. The nano-ZnO impregnated cotton fabrics showed excellent antibacterial activity against two representative bacteria, Staphylococcus aureus ( Gram positive) and Klebsiella pneumoniae ( Gram negative). Also, nano-ZnO impregnation enhanced the protection of cotton fabrics against UV radiation in comparison with the untreated cotton fabrics.

引用

页码：5087 / 5095

页数：9

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