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Proceedings Paper

Development and characterization of antibacterial nanocomposite fiber based on PP/PET/nanosilver compatibilized with PP-g-MA
Author(s): A. Barzegar; N. Golshan Ebrahimi
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Paper Abstract

The polypropylene (PP) /polyethylene terephthalate (PET) /Nanosilver (Ag) nanocomposite fibers were prepared for the achievement of permanent antibacterial activity to common synthetic textile. The fibers were melt-spun by co-extrusion of PP/PET with compatibilizer (PP-g-MA) as core and PP/Ag master-batches as sheath and vice versa then fiber formation was carried out through the spinneret. The effects of content PP-g-MA as compatibilizer were also investigated. The morphology and mechanical properties of uncompatibilized and compatibilized PP/PET fibers were comprehensively assessed utilizing scanning electron microscopy (SEM) and tensile test experiments. It was observed that the fibrillar distributed morphology achieved at 3.5 Wt% of PP-g-MA has a significant performance. The antibacterial activity of nanosilver in fibers was evaluated after certain contact time and calculated by percent reduction of two kinds of bacteria; Staphylococus aureus and Escherichia coli. The antibacterial efficacy of spun fibers was excellent when the masterbatch used as the sheath. The SEM micrograph of these fibers (PP/ PP-g-MA/PET)/(PP/Nanosilver) shows nearly good distribution of nanosilver particles with little aggregation. Mechanical and antibacterial properties data have also shown that the fiber has a significant performance when the master-batch used as the sheath.

Paper Details

Date Published: 8 April 2010
PDF: 12 pages
Proc. SPIE 7650, Health Monitoring of Structural and Biological Systems 2010, 765015 (8 April 2010); doi: 10.1117/12.847645
Show Author Affiliations
A. Barzegar, Tarbiat Modares Univ. (Iran, Islamic Republic of)
N. Golshan Ebrahimi, Tarbiat Modares Univ. (Iran, Islamic Republic of)

Published in SPIE Proceedings Vol. 7650:
Health Monitoring of Structural and Biological Systems 2010
Tribikram Kundu, Editor(s)

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