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iForest - Biogeosciences and Forestry

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Effect of silver nanoparticles on hardness in medium-density fiberboard (MDF)

Hamid Reza Taghiyari (1)   , Jack Norton (2)

iForest - Biogeosciences and Forestry, Volume 8, Issue 5, Pages 677-680 (2014)
doi: https://doi.org/10.3832/ifor1188-007
Published: Dec 17, 2014 - Copyright © 2014 SISEF

Research Articles


Effect of silver nanoparticles on hardness in medium-density fiberboard (MDF) was studied here. A 400 ppm aqueous nanosilver suspension was used at three consumption levels of 100, 150, and 200 mL kg-1, based on the dry weight of wood fibers; the results were then compared with the control panels. The size range of silver nanoparticles was 30-80 nm. Composite mats were hot-pressed for 6, 8, and 10 min. Results showed that the uniform and even dispersion of nanoparticles throughout the MDF-matrix significantly contributed to an increase in the hardness at lower hot-press time of 6 min. In the longer hot-press times, however, over-heating of the mat resulted in significant a decrease of hardness values. Significant high correlation was observed between water absorption and thickness swelling.

  Keywords


Composite Board, Heat Transferring Property, Metal Nanoparticles, Nanosilver, Thermal Conductivity Coefficient, Wood Fiber

Authors’ address

(1)
Hamid Reza Taghiyari
Wood Science & Technology Department, Faculty of Civil Engineering, Shahid Rajaee Teacher Training University, Tehran (Iran)
(2)
Jack Norton
Retired, Horticulture & Forestry Science, Queensland Department of Agriculture, Forestry and Fisheries (Australia)

Corresponding author

 
Hamid Reza Taghiyari
htaghiyari@yahoo.com

Citation

Taghiyari HR, Norton J (2014). Effect of silver nanoparticles on hardness in medium-density fiberboard (MDF). iForest 8: 677-680. - doi: 10.3832/ifor1188-007

Academic Editor

Giacomo Goli

Paper history

Received: Nov 27, 2013
Accepted: Aug 07, 2014

First online: Dec 17, 2014
Publication Date: Oct 01, 2015
Publication Time: 4.40 months

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