Online from: 1989
Subject Area: Mechanical & Materials Engineering
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|Title:||Colorless antibacterial cotton fabrics based on silver nanoparticles and chitosan complexes|
|Author(s):||Yufei Zhang, (Zhejiang University, Hangzhou, China), Youliang Li, (Zhejiang University, Hangzhou, China), Qiaoling Hu, (Zhejiang University, Hangzhou, China)|
|Citation:||Yufei Zhang, Youliang Li, Qiaoling Hu, (2012) "Colorless antibacterial cotton fabrics based on silver nanoparticles and chitosan complexes", International Journal of Clothing Science and Technology, Vol. 24 Iss: 2/3, pp.118 - 128|
|Keywords:||Antibacterial activity, Chitosan, Colorless, Cotton, Durability, Fabric production processes, Nanoparticles, Silver|
|Article type:||Research paper|
|DOI:||10.1108/09556221211205568 (Permanent URL)|
|Publisher:||Emerald Group Publishing Limited|
|Acknowledgements:||This work has been supported by National Natural Science Foundation of China (Grant no. 50773070, 50333020), the Key Basic Research Development Plan (Project 973) of China (Grant no. 2009CB930104), Grand Science and Technology Special Project of Zhejiang Province (Grant no. 2008C11087).|
Purpose – The purpose of this paper is to fabricate colorless cotton fabrics with good antibacterial activity and durability.
Design/methodology/approach – Chitosan (CS) based silver nanoparticles (AgNPs) were formed in CS solutions as the antibacterial agent. The reducing agent was sodium borohyride. The concentrations of the CS solutions ranged from 0.1 to 1 percent (w/v). Cotton fabrics were impregnated by these CS/AgNPs solutions.
Findings – All of these fabrics exhibited superior antibacterial activities. The antibacterial activity still showed great efficiency even after 81 home launderings. Moreover, the results of color change and whiteness indicated that the cotton fabrics treated by CS/AgNPs complex with higher CS concentration had less color change compared with other samples.
Practical implications – Fabrics treated by this method could reduce the brown color brought by AgNPs. The paper also suggests that cotton fabrics treated by AgNPs formed in a relatively higher CS concentration not only had good antibacterial activity but also were colorless.
Originality/value – The influence of CS ratio in CS/AgNPs complexes on the antibacterial activity and color of cotton fabrics was studied, which has been rarely reported in previous papers. The fabrics prepared by this method are promising candidates for a wide range of general applications.
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