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Iranian researchers from Amirkabir University of Technology used copper nanoparticles to produce new antibacterial fabric that can be applied in medical, clothing and home textile industries.
The product has very high washing stability and can be produced through a simple and economic method.
Usually when the subject is antibacterial fibers, nanosilver is the first word coming into mind. Considering the fact that copper is cheaper than silver, the researchers have tried in this research to replace silver nanoparticles with copper nanoparticles for the production of antibacterial fabrics and fibers with desirable properties and excellent stability.
The process proposed in this research is simple and environmentally friendly. In addition and due to the use of copper nanoparticles, the materials and method for the production of fibers are economical, and can be an appropriate replacement for fabrics completed with silver nanoparticles. In addition, the final product has high stability and it conserves the perfect properties of cotton natural fibers.
Since the fibers have very desirable antimicrobial, antibacterial and anti-fungi properties, they can be used in hospital textile, specially in sections that deal with high pollution or the sections that are directly in contact with hygiene.
Results of mechanical and chemical tests have shown that the synthesized particles have nanometric dimensions, and with a small neglect, the cotton fabric has conserved its strength. Hydrophobicity, mechanical properties different from pure cotton fabric, and incredible antibacterial properties are among the advantages of the new nanocomposite. Even after 30 times of washing at standard conditions, the antibacterial properties of the product do not vary noticeably.
Results of the research have been published in Cellulose, vol. 21, issue 3, February 2014, pp. 2119-2132.
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