Particles from grapevine pruning residue as a bio-based substitute for wood in hybrid particleboard production
The purpose of this research is to investigate the possibility of producing hybrid particleboard from industrial wood chips with waste from vine pruning as a waste material that has no specific use and is thrown away. For this purpose, the particles from grapevine pruning residue and industrial wood chips were mixed with different ratios of 0:100, 30:70 and 40:60. Also, for making boards, two different levels of urea-formaldehyde resin were used, including 10 and 12% (based on the dry weight of wood chips) and the pressing time was 5 minutes. The physical and mechanical properties of the boards including thickness swelling (TS), bending strength (MOR), modulus of elasticity (MOE) and internal bonding (IB) were measured and then all the data were analyzed statistically. The results of this research showed that although the increase of particles from grapevine pruning waste led to a decrease in the characteristics of particleboards, but all the boards meet the European standard. On the other hand, increasing the resin content moderates the negative effect of these particles on the characteristics of the board and had a positive effect on all the characteristics of the boards. Therefore, by comparing the properties of the boards produced with the European standard (EN), it was determined that by using 30% of grapevine pruning wastes replaced with wood chips, it is possible to produce particleboard with desirable properties. The general results of this study show a positive result in the direction of using the wastes from pruning grape trees as a type of garden waste that is rejected after pruning and can also replace part of wood material in the construction of industrial panels and also it will be an income for gardeners.
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Investigating of physical and mechanical properties of single-layer particleboard made from Prosopis cineraria and industrial wood particles
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