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Published in: International Journal of Plastics Technology 1/2019

26-04-2019 | Research Article

Study of silver nanoparticle/polyvinyl alcohol nanocomposite

Authors: R. K. Das, M. Das

Published in: International Journal of Plastics Technology | Issue 1/2019

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Abstract

Silver nanoparticles (Ag NPs) have been synthesized by chemical reduction in silver nitrate solution in the presence of the strong reducing agent sodium borohydride, NaBH4 and polyvinyl alcohol, and PVA was added as a stabilizer for Ag NPs by two methods: in situ and ex situ. Stability of Ag NPs has been studied by using DLS method. UV–Vis spectroscopy confirms the presence of silver nanoparticles in the solution in both the methods. PVA has been proved to stabilize Ag NPs comparatively better in the solution prepared by ex situ method than in situ method. Bare PVA film and both Ag/PVA nanocomposite films prepared by solution casting method were subjected to moisture absorption test, XRD, FESEM, EDX and antibacterial activity (against Escherichia coli) study. Ag NPs prepared by in situ process show better property with respect to moisture absorption and crystallinity. Again, the lower value of MIC (minimum inhibitory concentration) of the Ag/PVA NC film prepared via ex situ mode against E. coli shows better antibacterial property than Ag/PVA NC film prepared via in situ method suggests for food packaging application.

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Metadata
Title
Study of silver nanoparticle/polyvinyl alcohol nanocomposite
Authors
R. K. Das
M. Das
Publication date
26-04-2019
Publisher
Springer India
Published in
International Journal of Plastics Technology / Issue 1/2019
Print ISSN: 0972-656X
Electronic ISSN: 0975-072X
DOI
https://doi.org/10.1007/s12588-019-09229-4

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