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Fabrication and Characterization of Silver−Polyvinyl Alcohol Nanocomposites
Abstract
The influence of silver (Ag) nanoparticles on the properties of poly(vinyl alcohol) (PVA) was investigated. The nanocomposite was prepared by mixing a colloidal solution consisting of silver nanoparticles with a water solution of PVA in appropriate ratios. Composite films with different contents of inorganic phase were obtained after solvent evaporation. The contents of the inorganic phase in the nanocomposites were determined by using atomic absorption spectroscopy (AA) for silver, and were found to be 0.19, 0.33, and 0.73 wt %. Transmission electron microscopy (TEM) of the nanocomposite films revealed the presence of Ag particles with average diameter of 20 nm. Comparison of the thermal properties of the pure polymer and the nanocomposite films showed that the thermal stability is improved by about 40 °C, and the glass transition temperature is shifted to a higher temperature up to 20 °C for the highest content of the nanofiller. An increase in Young's modulus and strength of the nanocomposite was also observed with an increase in Ag content, indicating significant reinforcement of the matrix in the presence of nanoparticles. Stress relaxation measurements revealed reduced stability of the nanocomposite upon prolonged loading, compared to the pure PVA matrix.
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Citations
Cited by
Nanocomposites for food packaging applications
Azeredo, H. M. C. D. (2009) · Food Research International · doi:10.1016/j.foodres.2009.03.019 · Cited by 1,259
Food packaging based on polymer nanomaterials
Silvestre, C., Duraccio, D., & Cimmino, S. (2011) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2011.02.003 · Cited by 937
Panigrahi, S., Basu, S., Praharaj, S., Pande, S., Jana, S., Pal, A., Ghosh, S. K., & Pal, T. (2007) · The Journal of Physical Chemistry C · doi:10.1021/jp067554u · Cited by 786
Müller, K., Bugnicourt, E., Latorre, M., Jorda, M., Echegoyen Sanz, Y., Lagaron, J., Miesbauer, O., Bianchin, A., Hankin, S., Bölz, U., et al. (2017) · Nanomaterials · doi:10.3390/nano7040074 · Cited by 746
Applications of nanocomposite hydrogels for biomedical engineering and environmental protection
Sharma, G., Thakur, B., Naushad, M., Kumar, A., Stadler, F. J., Alfadul, S. M., & Mola, G. T. (2018) · Environmental Chemistry Letters · doi:10.1007/s10311-017-0671-x · Cited by 325
Metadata
- Authors
- Mbhele, Z. H., Salemane, M. G., van Sittert, C. G. C. E., Nedeljković, J. M., Djoković, V., & Luyt, A. S.
- Venue
- Chemistry of Materials
- Publisher
- American Chemical Society (ACS)
- Published
- 2003-11-22
- Volume
- 15
- Issue
- 26
- Pages
- 5019-5024
- ISSN
- 0897-4756 (ISSN-L)
- 1520-5002
- OpenAlex
- W2023070137
- Cited by
- 618
- References
- 0
- FWCI
- 11.75
- Type
- journal article
- Language
- en
- Open access
- closed
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- Mbhele, Z. H., Salemane, M. G., van Sittert, C. G. C. E., Nedeljković, J. M., Djoković, V., & Luyt, A. S. (2003). Fabrication and Characterization of Silver−Polyvinyl Alcohol Nanocomposites. Chemistry of Materials. https://doi.org/10.1021/cm034505a
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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