木质与蒿杆混合刨花板的制备

Preparation of Wood and Artemisia Rod Based Particleboard

利用蒿秆刨花代替部分木质刨花生产刨花板,试验采用正交试验方法,以刨花板的吸水厚度膨胀率、内结合强度、表面结合强度、静曲强度及握螺钉力等力学性能为评价指标,优化木质刨花与蒿秆刨花混合刨花板的制备工艺。正交试验结果表明,木质刨花与蒿杆刨花原料配比5:5,热压工艺为:热压温度155℃,热压时间40s/mm,施胶量12%。所制备的板材的吸水厚度膨胀率6.31%、静曲强度32.1MPa、握螺钉力1.84kN、内结合强度0.92MPa、表面结合强度0.82MPa。

A kind of particleboard was prepared by using wood and Artemisia rod particle.Through orthogonal experimental method,taking the thickness swelling,internal bonding strength,surface bonding strength,static bending strength and screw holding strength as the evaluation index,the preparation process was optimized.Experimental results show that the ratio of wood particle and Artemisia rod particle is 5∶5,and hot pressing process is：155 ℃ hot pressing temperature,40s/mm hot pressing time,12%adhesive consumption.Mechanical properties are：6.31%thick swelling,32.1MPa bending strength,1.84 kN surface screw holding strength capacity,0.92 MPa internal bonding strength,and 0.82 MPa surface bonding strength.