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Title: Preparation of silver nanoparticle functionalized polyamide fibers with antimicrobial activity and electrical conductivity

Journal Article · · Journal of Applied Polymer Science
DOI: https://doi.org/10.1002/app.47584 · OSTI ID:1493101
ORCiD logo [1];  [1];  [2];  [2];  [2];  [1]
  1. College of Textiles &, Clothing Qingdao University Qingdao Shandong China, Industrial Research Institute of Nonwovens &, Technical Textiles Qingdao University Qingdao Shandong China
  2. College of Textiles &, Clothing Qingdao University Qingdao Shandong China

ABSTRACT In this work, silver nanoparticle functionalized polyamide 6 (PA6) fibers were prepared using the electroless plating method. The surface of PA6 fibers was modified by exploiting dopamine/CuSO 4 /H 2 O 2 system prior to electroless plating to enhance the bonding force between the fiber and the silver nanoparticles. It was found that both the formation rate and the chemical stability of polydopamine (PDA) coatings on the PA6 fiber surface were improved by the introduction of CuSO 4 /H 2 O 2 . The results confirmed the successful deposition of silver nanoparticles on PA6 fiber surface and the average particle diameter of 223 nm. Compared with uncoated fibers, the silver plated PA6 fibers exhibited excellent antimicrobial activity to both Escherichia coli and Staphylococcus aureus (with an antimicrobial efficiency of 99.9% and 100%, respectively). The electrical resistance of the silver coated PA6 fibers reached 0.98 Ω over a length of 1 cm, indicating a good electrical conductivity. In particular, coating durability of the formed silver layer was investigated by subjecting the fibers to various mechanical deformations, and the results showed that the formed silver layer was maintained well after 50 times of cyclic stretching at a constant displacement of 10 mm. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019 , 136 , 47584.

Sponsoring Organization:
USDOE
OSTI ID:
1493101
Journal Information:
Journal of Applied Polymer Science, Journal Name: Journal of Applied Polymer Science Journal Issue: 22 Vol. 136; ISSN 0021-8995
Publisher:
Wiley Blackwell (John Wiley & Sons)Copyright Statement
Country of Publication:
United States
Language:
English

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