Producing Of Microball Nanosilver and Applying To the Paper to Improve Its Antibacterial Property

Document Type : Research Paper

Authors

1 Assistant Professor, Department of Pulp and Paper Industry, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, I.R. Iran

2 MSc, Pulp and Paper Industry, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, I.R. Iran

3 Associate Professor, Pulp and Paper Industry, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, I.R. Iran

4 PhD; Department of Wood and Paper, Science and Research Branch, Islamic Azad University, Tehran I.R. Iran

Abstract

In this study, microball nanosilver was produced with dimensions of about 1 micrometer in order to reduce the risks of absorption of nanosilver particles through skin and inhalation. Different concentration levels of silver have been used in making of hand-sheets. The antibacterial properties of all hand-sheets were evaluated again Escherichia coli and Bacillus subtilis bacteria. Results indicated that the use of nanosilver in both concentration levels (25 ppm and 100 ppm) stop the growth of bacteria and reduce the rate of their growth by 99%. However, results showed that the use of microball nanosilver as an additive did not reduce any properties of paper such as physical, mechanical and optical properties except brightness parameter. The bulk of paper has shown a significant increase. Also, the microball nanosilver has no significant effect on the water absorption of final papers.

Keywords

References

 
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Forest and Wood Products
Volume 68, Issue 3 - Serial Number 3
October 2015
Pages 547-557

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