Journal
CELLULOSE
Volume 21, Issue 4, Pages 3097-3105Publisher
SPRINGER
DOI: 10.1007/s10570-014-0324-1
Keywords
Viscose fiber; Silver nanoparticles; Antimicrobial activity; Washing fastness
Funding
- Research Fund for the Doctoral Program of Higher Education of China [20130181120067]
- National Science Foundation of China [51273123, 51121001]
- Excellent Youth Foundation of Sichuan [2011JQ0007]
- Program for Changjiang Scholars and Innovative Research Team in University [RT 1026]
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In order to broaden applications of viscose fiber, graft copolymerization of acrylic acid was conducted on its surface followed by in situ loading of Ag nanoparticles (Ag-NPs). The loading amount of Ag-NPs was affected by the concentrations of Ag+ and trisodium citrate, and their optimum concentrations were found to be 0.014 and 0.030 g/ml. The Ag-NP-loaded fibers presented a prolonged Ag release behavior in aqueous solution, of which the cumulative release was less than 5 % within 48 h. In addition, the viscose fibers showed good antimicrobial activity against S. aureus, and their consecutive antimicrobial activity was kept at more than 90 % after several washing cycles. Modified viscose fibers, therefore, offer a great opportunity for use as antimicrobial fabrics.
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