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Paper Information

Journal:   IRANIAN JOURNAL OF WOOD AND PAPER SCIENCE RESEARCH   winter 2018 , Volume 32 , Number 4 (61) #l00565; Page(s) 576 To 584.
 
Paper: 

Evaluation the physical and mechanical properties of the boards manufactured by mixture of wheat straw and tobacco stalk

 
 
Author(s):  JAMALIRAD L.*, Kor F., FARAJI F., HEDJAZI S.
 
* Department of Wood and Paper Science and Engineering, Faculty of Agriculture and Natural Resources, Gonbad Kavous University, Gonbad, I.R. Iran
 
Abstract: 
In this research, the manufacture of particleboard using lignocellulosic residues including mixture of wheat straw, tobacco stalks and hardwood wood chips were studied. The variable factors included the mixture of wheat straw and tobacco stalks with industrial wood chips in four levels0/100, 20/80, 40/60 and 60/40 (In any combination, tobacco stalks and wheat straw were used equally) and the amount of urea formaldehyde resin was at two levels 12 and 14% of the dry weight of the chips. The results showed that by increasing the mixture of wheat straw and tobacco stalk up to 60 percent, the physical and mechanical properties of the boards decreased significantly. But increasing the amount of adhesive consumption up to 14 percent had a positive impact on the physical and mechanical properties of the boards and improved internal bonding, bending strength and modulus of elasticity and dimensional stability of the boards. It means that by increasing the content of this type of wastes up to 40 percent with increase dosage of UF adhesive up to 14%, can be produced the boards with the mechanical properties at standard level.
 
Keyword(s): Hardwood wood chips,urea formaldehyde resin,wheat straw,internal bonding,bending strength
 
References: 
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