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Using Benzylated Poplar as Adhesive in Manufacturing Wood-Based Panels

Qu Baoxue, Qin Tefu, Zhu Yanzhong, Chu Fuxiang


Benzylated poplar was prepared and its properties were characterized by Fourier transform infrared spectroscopy, a soften point test, and differential scanning calorimetry. This study reports on the enhanced thermoplasticity of benzylated poplar with its weight gain increased. Because of its thermoplasticity, benzylated poplar can be used instead of traditional adhesives to coat wood-based panels. Plywood fabricated with benzylated poplar had a bonding strength of 1.84 MPa and an average wood failure of 76.2%. Fiberboard containing 40% benzylated poplar had an internal bonding strength of 0.81 MPa, a modulus of rupture (MOR) of 45 MPa, a modulus of elasticity of 4900 MPa, and a density between 700 and 800 kg/m-3. Wheatstraw board containing 20% benzylated poplar had an internal bonding strength of 0.48 MPa, an MOR of 32 MPa, and a density between 0.5 and 0.6 g/cm-3.


Benzylation;differential scanning calorimetry;mechanical property;poplar;wood-based board

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