![]() ( 2008) stated that the replacement of 25 % of pine particles by willow ones in the core layer of three-layer particleboards improved the mechanical properties in bending. They studied three-layer particleboards with face and core layers made using 10–30 % willow, and concluded that the mechanical properties of particleboards with up to 30 % willow particles were generally greater than those of particleboards made from industrial wood particles. Sean and Labrecque ( 2006) investigated the usefulness of Quebec clones of the willow Salix viminalis. ![]() The suitability of the willow Salix viminalis for particleboard manufacturing has been the subject of only a few studies. In Poland it is cultivated in about 800 short-rotation plantations on an area of 6,160 ha (Grzybek 2011). Such a shrub being cultivated for energy purposes is the willow Salix viminalis. One possible raw material can be fast growing shrubs. ![]() Continually increasing particleboard production in many countries, including Poland, and shortage of forest resources make it necessary to search for alternative lignocellulosic materials in particleboard manufacturing. Particleboards are the most widely used wood composite.
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