UTILIZATION OF GRAPE PRUNINGS RESIDUES IN PRODUCTION OF PARTICLEBOARD
2004
Abolfazl Kargarfard | Amir Nourbakhsh
The purpose of this study was to examine the utilization of grape lignocellulosic pruning as a raw material in particleboard manufacturing. Experimental boards were produced with using grape wood particles, resin content (UF resin) at 10 and 12% and press time at 5 and 6 minutes. 18 samples boards were produced and tested.The modulus of rupture (MOR) and modulus of elasticity (MOE) of all boards modified significantly with increasing resin content. However MOR and MOE increased with increasing press time; but MOR and MOE of boards at 5 and 6 minutes of press time had not significantly different.The results of this study showed that resin content and press time had a linear relationship with internal bonding (IB) of boards. The highest IB amount achieved under condition of resin content at 12% and press time at 6 minutes. Nevertheless IB of all boards were higher than DIN standard .The suitable IB of boards caused that thickness swelling (T.S) of boards after 2 and 24 hours soaking in water were as good as standard level. However the minimum T.S of boards observed in boards with 12% resin content.The results of this study showed that grape pruning residues can be utilized as a suitable lignocellulosic raw material in particleboard industries. Also in order to achieve better mechanical and mechanical properties of boards, using poplar wood with grape residues special with 10% resin cotent consumption could be recommende
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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