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Paper Information

Journal:   IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH   winter 2019 , Volume 33 , Number 4 (65) ; Page(s) 564 To 578.

Effect of tobacco stalk residues in mixture with industrial wood particle on the dimensional stability and mechanical properties of particleboard

Author(s):  JAMALIRAD L.*, Narouie s.
* Department of Wood and Paper Science and Engineering, Faculty of Agriculture and Natural Resources,GonbadKavous University, Gonbad, I.R. Iran
The purpose of this study was to investigate the possibility of using tobacco stalk residues and industrial wood particles in particleboard industry. For this purpose, the tobacco stalk and industrial wood particles at different mixture ratios of 0: 100, 30: 70 and 60: 40 were used. The mount of adhesive used were selected at 12% and 14% (based on the dry weight of the particles) and the press time of 5 minutes was used for board making. Physical and mechanical properties including thickness swelling after 2 and 24 hours immersion in water and bending strength (MOR), modulus of elasticity (MOE) and internal bonding (IB) were measured and all data were statistically analyzed. According to the results, the increase in tobacco stalk particles resulted in increased thickness swelling after 2 and 24 hours immersion in water and reduced bending strength, modulus of elasticity and internal bonding, but all boards had a European standard (EN). Increasing the amount of resin also had a significant effect on all the properties of the boards and improved the properties. In a general conclusion, considering European standard (EN), suitable boards with the desired properties can be produced using 60% tobacco stalk and 12% urea formaldehyde resin. This is a positive result of using tobacco stalk as a type of agricultural residue and, consequently, the prevention of environmental pollution caused by the burning of these compounds.
Keyword(s): Tobacco stalk waste,urea formaldehyde resin,thickness swelling,internal bonding,bending strength
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